1 //===-- sanitizer_common_syscalls.inc ---------------------------*- C++ -*-===//
3 // This file is distributed under the University of Illinois Open Source
4 // License. See LICENSE.TXT for details.
6 //===----------------------------------------------------------------------===//
8 // Common syscalls handlers for tools like AddressSanitizer,
9 // ThreadSanitizer, MemorySanitizer, etc.
11 // This file should be included into the tool's interceptor file,
12 // which has to define it's own macros:
13 // COMMON_SYSCALL_PRE_READ_RANGE
14 // Called in prehook for regions that will be read by the kernel and
15 // must be initialized.
16 // COMMON_SYSCALL_PRE_WRITE_RANGE
17 // Called in prehook for regions that will be written to by the kernel
18 // and must be addressable. The actual write range may be smaller than
19 // reported in the prehook. See POST_WRITE_RANGE.
20 // COMMON_SYSCALL_POST_READ_RANGE
21 // Called in posthook for regions that were read by the kernel. Does
22 // not make much sense.
23 // COMMON_SYSCALL_POST_WRITE_RANGE
24 // Called in posthook for regions that were written to by the kernel
25 // and are now initialized.
26 // COMMON_SYSCALL_ACQUIRE(addr)
27 // Acquire memory visibility from addr.
28 // COMMON_SYSCALL_RELEASE(addr)
29 // Release memory visibility to addr.
30 // COMMON_SYSCALL_FD_CLOSE(fd)
31 // Called before closing file descriptor fd.
32 // COMMON_SYSCALL_FD_ACQUIRE(fd)
33 // Acquire memory visibility from fd.
34 // COMMON_SYSCALL_FD_RELEASE(fd)
35 // Release memory visibility to fd.
36 // COMMON_SYSCALL_PRE_FORK()
37 // Called before fork syscall.
38 // COMMON_SYSCALL_POST_FORK(long res)
39 // Called after fork syscall.
40 //===----------------------------------------------------------------------===//
42 #include "sanitizer_platform.h"
45 #include "sanitizer_libc.h"
47 #define PRE_SYSCALL(name) \
48 SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_pre_impl_##name
49 #define PRE_READ(p, s) COMMON_SYSCALL_PRE_READ_RANGE(p, s)
50 #define PRE_WRITE(p, s) COMMON_SYSCALL_PRE_WRITE_RANGE(p, s)
52 #define POST_SYSCALL(name) \
53 SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_syscall_post_impl_##name
54 #define POST_READ(p, s) COMMON_SYSCALL_POST_READ_RANGE(p, s)
55 #define POST_WRITE(p, s) COMMON_SYSCALL_POST_WRITE_RANGE(p, s)
57 #ifndef COMMON_SYSCALL_ACQUIRE
58 # define COMMON_SYSCALL_ACQUIRE(addr) ((void)(addr))
61 #ifndef COMMON_SYSCALL_RELEASE
62 # define COMMON_SYSCALL_RELEASE(addr) ((void)(addr))
65 #ifndef COMMON_SYSCALL_FD_CLOSE
66 # define COMMON_SYSCALL_FD_CLOSE(fd) ((void)(fd))
69 #ifndef COMMON_SYSCALL_FD_ACQUIRE
70 # define COMMON_SYSCALL_FD_ACQUIRE(fd) ((void)(fd))
73 #ifndef COMMON_SYSCALL_FD_RELEASE
74 # define COMMON_SYSCALL_FD_RELEASE(fd) ((void)(fd))
77 #ifndef COMMON_SYSCALL_PRE_FORK
78 # define COMMON_SYSCALL_PRE_FORK() {}
81 #ifndef COMMON_SYSCALL_POST_FORK
82 # define COMMON_SYSCALL_POST_FORK(res) {}
85 // FIXME: do some kind of PRE_READ for all syscall arguments (int(s) and such).
88 struct sanitizer_kernel_iovec {
90 unsigned long iov_len;
93 struct sanitizer_kernel_msghdr {
96 struct sanitizer_kernel_iovec *msg_iov;
97 unsigned long msg_iovlen;
99 unsigned long msg_controllen;
103 struct sanitizer_kernel_mmsghdr {
104 struct sanitizer_kernel_msghdr msg_hdr;
108 struct sanitizer_kernel_timespec {
113 struct sanitizer_kernel_timeval {
118 struct sanitizer_kernel_rusage {
119 struct sanitizer_kernel_timeval ru_timeval[2];
123 struct sanitizer_kernel_sockaddr {
124 unsigned short sa_family;
128 // Real sigset size is always passed as a syscall argument.
129 // Declare it "void" to catch sizeof(kernel_sigset_t).
130 typedef void kernel_sigset_t;
132 static void kernel_write_iovec(const __sanitizer_iovec *iovec,
133 SIZE_T iovlen, SIZE_T maxlen) {
134 for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
135 SSIZE_T sz = Min(iovec[i].iov_len, maxlen);
136 POST_WRITE(iovec[i].iov_base, sz);
141 // This functions uses POST_READ, because it needs to run after syscall to know
142 // the real read range.
143 static void kernel_read_iovec(const __sanitizer_iovec *iovec,
144 SIZE_T iovlen, SIZE_T maxlen) {
145 POST_READ(iovec, sizeof(*iovec) * iovlen);
146 for (SIZE_T i = 0; i < iovlen && maxlen; ++i) {
147 SSIZE_T sz = Min(iovec[i].iov_len, maxlen);
148 POST_READ(iovec[i].iov_base, sz);
153 PRE_SYSCALL(recvmsg)(long sockfd, sanitizer_kernel_msghdr *msg, long flags) {
154 PRE_READ(msg, sizeof(*msg));
157 POST_SYSCALL(recvmsg)(long res, long sockfd, sanitizer_kernel_msghdr *msg,
161 for (unsigned long i = 0; i < msg->msg_iovlen; ++i) {
162 POST_WRITE(msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len);
164 POST_WRITE(msg->msg_control, msg->msg_controllen);
169 PRE_SYSCALL(recvmmsg)(long fd, sanitizer_kernel_mmsghdr *msg, long vlen,
170 long flags, void *timeout) {
171 PRE_READ(msg, vlen * sizeof(*msg));
174 POST_SYSCALL(recvmmsg)(long res, long fd, sanitizer_kernel_mmsghdr *msg,
175 long vlen, long flags, void *timeout) {
178 for (unsigned long i = 0; i < msg->msg_hdr.msg_iovlen; ++i) {
179 POST_WRITE(msg->msg_hdr.msg_iov[i].iov_base,
180 msg->msg_hdr.msg_iov[i].iov_len);
182 POST_WRITE(msg->msg_hdr.msg_control, msg->msg_hdr.msg_controllen);
183 POST_WRITE(&msg->msg_len, sizeof(msg->msg_len));
185 if (timeout) POST_WRITE(timeout, struct_timespec_sz);
189 PRE_SYSCALL(read)(long fd, void *buf, uptr count) {
191 PRE_WRITE(buf, count);
195 POST_SYSCALL(read)(long res, long fd, void *buf, uptr count) {
196 if (res > 0 && buf) {
197 POST_WRITE(buf, res);
201 PRE_SYSCALL(time)(void *tloc) {}
203 POST_SYSCALL(time)(long res, void *tloc) {
205 if (tloc) POST_WRITE(tloc, sizeof(long));
209 PRE_SYSCALL(stime)(void *tptr) {}
211 POST_SYSCALL(stime)(long res, void *tptr) {
213 if (tptr) POST_WRITE(tptr, sizeof(long));
217 PRE_SYSCALL(gettimeofday)(void *tv, void *tz) {}
219 POST_SYSCALL(gettimeofday)(long res, void *tv, void *tz) {
221 if (tv) POST_WRITE(tv, timeval_sz);
222 if (tz) POST_WRITE(tz, struct_timezone_sz);
226 PRE_SYSCALL(settimeofday)(void *tv, void *tz) {}
228 POST_SYSCALL(settimeofday)(long res, void *tv, void *tz) {
230 if (tv) POST_WRITE(tv, timeval_sz);
231 if (tz) POST_WRITE(tz, struct_timezone_sz);
235 PRE_SYSCALL(adjtimex)(void *txc_p) {}
237 POST_SYSCALL(adjtimex)(long res, void *txc_p) {
239 if (txc_p) POST_WRITE(txc_p, struct_timex_sz);
243 PRE_SYSCALL(times)(void *tbuf) {}
245 POST_SYSCALL(times)(long res, void *tbuf) {
247 if (tbuf) POST_WRITE(tbuf, struct_tms_sz);
251 PRE_SYSCALL(gettid)() {}
253 POST_SYSCALL(gettid)(long res) {}
255 PRE_SYSCALL(nanosleep)(void *rqtp, void *rmtp) {}
257 POST_SYSCALL(nanosleep)(long res, void *rqtp, void *rmtp) {
259 if (rqtp) POST_WRITE(rqtp, struct_timespec_sz);
260 if (rmtp) POST_WRITE(rmtp, struct_timespec_sz);
264 PRE_SYSCALL(alarm)(long seconds) {}
266 POST_SYSCALL(alarm)(long res, long seconds) {}
268 PRE_SYSCALL(getpid)() {}
270 POST_SYSCALL(getpid)(long res) {}
272 PRE_SYSCALL(getppid)() {}
274 POST_SYSCALL(getppid)(long res) {}
276 PRE_SYSCALL(getuid)() {}
278 POST_SYSCALL(getuid)(long res) {}
280 PRE_SYSCALL(geteuid)() {}
282 POST_SYSCALL(geteuid)(long res) {}
284 PRE_SYSCALL(getgid)() {}
286 POST_SYSCALL(getgid)(long res) {}
288 PRE_SYSCALL(getegid)() {}
290 POST_SYSCALL(getegid)(long res) {}
292 PRE_SYSCALL(getresuid)(void *ruid, void *euid, void *suid) {}
294 POST_SYSCALL(getresuid)(long res, void *ruid, void *euid, void *suid) {
296 if (ruid) POST_WRITE(ruid, sizeof(unsigned));
297 if (euid) POST_WRITE(euid, sizeof(unsigned));
298 if (suid) POST_WRITE(suid, sizeof(unsigned));
302 PRE_SYSCALL(getresgid)(void *rgid, void *egid, void *sgid) {}
304 POST_SYSCALL(getresgid)(long res, void *rgid, void *egid, void *sgid) {
306 if (rgid) POST_WRITE(rgid, sizeof(unsigned));
307 if (egid) POST_WRITE(egid, sizeof(unsigned));
308 if (sgid) POST_WRITE(sgid, sizeof(unsigned));
312 PRE_SYSCALL(getpgid)(long pid) {}
314 POST_SYSCALL(getpgid)(long res, long pid) {}
316 PRE_SYSCALL(getpgrp)() {}
318 POST_SYSCALL(getpgrp)(long res) {}
320 PRE_SYSCALL(getsid)(long pid) {}
322 POST_SYSCALL(getsid)(long res, long pid) {}
324 PRE_SYSCALL(getgroups)(long gidsetsize, void *grouplist) {}
326 POST_SYSCALL(getgroups)(long res, long gidsetsize,
327 __sanitizer___kernel_gid_t *grouplist) {
329 if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist));
333 PRE_SYSCALL(setregid)(long rgid, long egid) {}
335 POST_SYSCALL(setregid)(long res, long rgid, long egid) {}
337 PRE_SYSCALL(setgid)(long gid) {}
339 POST_SYSCALL(setgid)(long res, long gid) {}
341 PRE_SYSCALL(setreuid)(long ruid, long euid) {}
343 POST_SYSCALL(setreuid)(long res, long ruid, long euid) {}
345 PRE_SYSCALL(setuid)(long uid) {}
347 POST_SYSCALL(setuid)(long res, long uid) {}
349 PRE_SYSCALL(setresuid)(long ruid, long euid, long suid) {}
351 POST_SYSCALL(setresuid)(long res, long ruid, long euid, long suid) {}
353 PRE_SYSCALL(setresgid)(long rgid, long egid, long sgid) {}
355 POST_SYSCALL(setresgid)(long res, long rgid, long egid, long sgid) {}
357 PRE_SYSCALL(setfsuid)(long uid) {}
359 POST_SYSCALL(setfsuid)(long res, long uid) {}
361 PRE_SYSCALL(setfsgid)(long gid) {}
363 POST_SYSCALL(setfsgid)(long res, long gid) {}
365 PRE_SYSCALL(setpgid)(long pid, long pgid) {}
367 POST_SYSCALL(setpgid)(long res, long pid, long pgid) {}
369 PRE_SYSCALL(setsid)() {}
371 POST_SYSCALL(setsid)(long res) {}
373 PRE_SYSCALL(setgroups)(long gidsetsize, __sanitizer___kernel_gid_t *grouplist) {
374 if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist));
377 POST_SYSCALL(setgroups)(long res, long gidsetsize,
378 __sanitizer___kernel_gid_t *grouplist) {}
380 PRE_SYSCALL(acct)(const void *name) {
382 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
385 POST_SYSCALL(acct)(long res, const void *name) {}
387 PRE_SYSCALL(capget)(void *header, void *dataptr) {}
389 POST_SYSCALL(capget)(long res, void *header, void *dataptr) {
391 if (header) POST_WRITE(header, __user_cap_header_struct_sz);
392 if (dataptr) POST_WRITE(dataptr, __user_cap_data_struct_sz);
396 PRE_SYSCALL(capset)(void *header, const void *data) {
397 if (data) PRE_READ(data, __user_cap_data_struct_sz);
400 POST_SYSCALL(capset)(long res, void *header, const void *data) {
402 if (header) POST_WRITE(header, __user_cap_header_struct_sz);
406 PRE_SYSCALL(personality)(long personality) {}
408 POST_SYSCALL(personality)(long res, long personality) {}
410 PRE_SYSCALL(sigpending)(void *set) {}
412 POST_SYSCALL(sigpending)(long res, void *set) {
414 if (set) POST_WRITE(set, old_sigset_t_sz);
418 PRE_SYSCALL(sigprocmask)(long how, void *set, void *oset) {}
420 POST_SYSCALL(sigprocmask)(long res, long how, void *set, void *oset) {
422 if (set) POST_WRITE(set, old_sigset_t_sz);
423 if (oset) POST_WRITE(oset, old_sigset_t_sz);
427 PRE_SYSCALL(getitimer)(long which, void *value) {}
429 POST_SYSCALL(getitimer)(long res, long which, void *value) {
431 if (value) POST_WRITE(value, struct_itimerval_sz);
435 PRE_SYSCALL(setitimer)(long which, void *value, void *ovalue) {}
437 POST_SYSCALL(setitimer)(long res, long which, void *value, void *ovalue) {
439 if (value) POST_WRITE(value, struct_itimerval_sz);
440 if (ovalue) POST_WRITE(ovalue, struct_itimerval_sz);
444 PRE_SYSCALL(timer_create)(long which_clock, void *timer_event_spec,
445 void *created_timer_id) {}
447 POST_SYSCALL(timer_create)(long res, long which_clock, void *timer_event_spec,
448 void *created_timer_id) {
450 if (timer_event_spec) POST_WRITE(timer_event_spec, struct_sigevent_sz);
451 if (created_timer_id) POST_WRITE(created_timer_id, sizeof(long));
455 PRE_SYSCALL(timer_gettime)(long timer_id, void *setting) {}
457 POST_SYSCALL(timer_gettime)(long res, long timer_id, void *setting) {
459 if (setting) POST_WRITE(setting, struct_itimerspec_sz);
463 PRE_SYSCALL(timer_getoverrun)(long timer_id) {}
465 POST_SYSCALL(timer_getoverrun)(long res, long timer_id) {}
467 PRE_SYSCALL(timer_settime)(long timer_id, long flags, const void *new_setting,
469 if (new_setting) PRE_READ(new_setting, struct_itimerspec_sz);
472 POST_SYSCALL(timer_settime)(long res, long timer_id, long flags,
473 const void *new_setting, void *old_setting) {
475 if (old_setting) POST_WRITE(old_setting, struct_itimerspec_sz);
479 PRE_SYSCALL(timer_delete)(long timer_id) {}
481 POST_SYSCALL(timer_delete)(long res, long timer_id) {}
483 PRE_SYSCALL(clock_settime)(long which_clock, const void *tp) {
484 if (tp) PRE_READ(tp, struct_timespec_sz);
487 POST_SYSCALL(clock_settime)(long res, long which_clock, const void *tp) {}
489 PRE_SYSCALL(clock_gettime)(long which_clock, void *tp) {}
491 POST_SYSCALL(clock_gettime)(long res, long which_clock, void *tp) {
493 if (tp) POST_WRITE(tp, struct_timespec_sz);
497 PRE_SYSCALL(clock_adjtime)(long which_clock, void *tx) {}
499 POST_SYSCALL(clock_adjtime)(long res, long which_clock, void *tx) {
501 if (tx) POST_WRITE(tx, struct_timex_sz);
505 PRE_SYSCALL(clock_getres)(long which_clock, void *tp) {}
507 POST_SYSCALL(clock_getres)(long res, long which_clock, void *tp) {
509 if (tp) POST_WRITE(tp, struct_timespec_sz);
513 PRE_SYSCALL(clock_nanosleep)(long which_clock, long flags, const void *rqtp,
515 if (rqtp) PRE_READ(rqtp, struct_timespec_sz);
518 POST_SYSCALL(clock_nanosleep)(long res, long which_clock, long flags,
519 const void *rqtp, void *rmtp) {
521 if (rmtp) POST_WRITE(rmtp, struct_timespec_sz);
525 PRE_SYSCALL(nice)(long increment) {}
527 POST_SYSCALL(nice)(long res, long increment) {}
529 PRE_SYSCALL(sched_setscheduler)(long pid, long policy, void *param) {}
531 POST_SYSCALL(sched_setscheduler)(long res, long pid, long policy, void *param) {
533 if (param) POST_WRITE(param, struct_sched_param_sz);
537 PRE_SYSCALL(sched_setparam)(long pid, void *param) {
538 if (param) PRE_READ(param, struct_sched_param_sz);
541 POST_SYSCALL(sched_setparam)(long res, long pid, void *param) {}
543 PRE_SYSCALL(sched_getscheduler)(long pid) {}
545 POST_SYSCALL(sched_getscheduler)(long res, long pid) {}
547 PRE_SYSCALL(sched_getparam)(long pid, void *param) {}
549 POST_SYSCALL(sched_getparam)(long res, long pid, void *param) {
551 if (param) POST_WRITE(param, struct_sched_param_sz);
555 PRE_SYSCALL(sched_setaffinity)(long pid, long len, void *user_mask_ptr) {
556 if (user_mask_ptr) PRE_READ(user_mask_ptr, len);
559 POST_SYSCALL(sched_setaffinity)(long res, long pid, long len,
560 void *user_mask_ptr) {}
562 PRE_SYSCALL(sched_getaffinity)(long pid, long len, void *user_mask_ptr) {}
564 POST_SYSCALL(sched_getaffinity)(long res, long pid, long len,
565 void *user_mask_ptr) {
567 if (user_mask_ptr) POST_WRITE(user_mask_ptr, len);
571 PRE_SYSCALL(sched_yield)() {}
573 POST_SYSCALL(sched_yield)(long res) {}
575 PRE_SYSCALL(sched_get_priority_max)(long policy) {}
577 POST_SYSCALL(sched_get_priority_max)(long res, long policy) {}
579 PRE_SYSCALL(sched_get_priority_min)(long policy) {}
581 POST_SYSCALL(sched_get_priority_min)(long res, long policy) {}
583 PRE_SYSCALL(sched_rr_get_interval)(long pid, void *interval) {}
585 POST_SYSCALL(sched_rr_get_interval)(long res, long pid, void *interval) {
587 if (interval) POST_WRITE(interval, struct_timespec_sz);
591 PRE_SYSCALL(setpriority)(long which, long who, long niceval) {}
593 POST_SYSCALL(setpriority)(long res, long which, long who, long niceval) {}
595 PRE_SYSCALL(getpriority)(long which, long who) {}
597 POST_SYSCALL(getpriority)(long res, long which, long who) {}
599 PRE_SYSCALL(shutdown)(long arg0, long arg1) {}
601 POST_SYSCALL(shutdown)(long res, long arg0, long arg1) {}
603 PRE_SYSCALL(reboot)(long magic1, long magic2, long cmd, void *arg) {}
605 POST_SYSCALL(reboot)(long res, long magic1, long magic2, long cmd, void *arg) {}
607 PRE_SYSCALL(restart_syscall)() {}
609 POST_SYSCALL(restart_syscall)(long res) {}
611 PRE_SYSCALL(kexec_load)(long entry, long nr_segments, void *segments,
614 POST_SYSCALL(kexec_load)(long res, long entry, long nr_segments, void *segments,
617 if (segments) POST_WRITE(segments, struct_kexec_segment_sz);
621 PRE_SYSCALL(exit)(long error_code) {}
623 POST_SYSCALL(exit)(long res, long error_code) {}
625 PRE_SYSCALL(exit_group)(long error_code) {}
627 POST_SYSCALL(exit_group)(long res, long error_code) {}
629 PRE_SYSCALL(wait4)(long pid, void *stat_addr, long options, void *ru) {}
631 POST_SYSCALL(wait4)(long res, long pid, void *stat_addr, long options,
634 if (stat_addr) POST_WRITE(stat_addr, sizeof(int));
635 if (ru) POST_WRITE(ru, struct_rusage_sz);
639 PRE_SYSCALL(waitid)(long which, long pid, void *infop, long options, void *ru) {
642 POST_SYSCALL(waitid)(long res, long which, long pid, void *infop, long options,
645 if (infop) POST_WRITE(infop, siginfo_t_sz);
646 if (ru) POST_WRITE(ru, struct_rusage_sz);
650 PRE_SYSCALL(waitpid)(long pid, void *stat_addr, long options) {}
652 POST_SYSCALL(waitpid)(long res, long pid, void *stat_addr, long options) {
654 if (stat_addr) POST_WRITE(stat_addr, sizeof(int));
658 PRE_SYSCALL(set_tid_address)(void *tidptr) {}
660 POST_SYSCALL(set_tid_address)(long res, void *tidptr) {
662 if (tidptr) POST_WRITE(tidptr, sizeof(int));
666 PRE_SYSCALL(init_module)(void *umod, long len, const void *uargs) {
668 PRE_READ(uargs, __sanitizer::internal_strlen((const char *)uargs) + 1);
671 POST_SYSCALL(init_module)(long res, void *umod, long len, const void *uargs) {}
673 PRE_SYSCALL(delete_module)(const void *name_user, long flags) {
676 __sanitizer::internal_strlen((const char *)name_user) + 1);
679 POST_SYSCALL(delete_module)(long res, const void *name_user, long flags) {}
681 PRE_SYSCALL(rt_sigprocmask)(long how, void *set, void *oset, long sigsetsize) {}
683 POST_SYSCALL(rt_sigprocmask)(long res, long how, kernel_sigset_t *set,
684 kernel_sigset_t *oset, long sigsetsize) {
686 if (set) POST_WRITE(set, sigsetsize);
687 if (oset) POST_WRITE(oset, sigsetsize);
691 PRE_SYSCALL(rt_sigpending)(void *set, long sigsetsize) {}
693 POST_SYSCALL(rt_sigpending)(long res, kernel_sigset_t *set, long sigsetsize) {
695 if (set) POST_WRITE(set, sigsetsize);
699 PRE_SYSCALL(rt_sigtimedwait)(const kernel_sigset_t *uthese, void *uinfo,
700 const void *uts, long sigsetsize) {
701 if (uthese) PRE_READ(uthese, sigsetsize);
702 if (uts) PRE_READ(uts, struct_timespec_sz);
705 POST_SYSCALL(rt_sigtimedwait)(long res, const void *uthese, void *uinfo,
706 const void *uts, long sigsetsize) {
708 if (uinfo) POST_WRITE(uinfo, siginfo_t_sz);
712 PRE_SYSCALL(rt_tgsigqueueinfo)(long tgid, long pid, long sig, void *uinfo) {}
714 POST_SYSCALL(rt_tgsigqueueinfo)(long res, long tgid, long pid, long sig,
717 if (uinfo) POST_WRITE(uinfo, siginfo_t_sz);
721 PRE_SYSCALL(kill)(long pid, long sig) {}
723 POST_SYSCALL(kill)(long res, long pid, long sig) {}
725 PRE_SYSCALL(tgkill)(long tgid, long pid, long sig) {}
727 POST_SYSCALL(tgkill)(long res, long tgid, long pid, long sig) {}
729 PRE_SYSCALL(tkill)(long pid, long sig) {}
731 POST_SYSCALL(tkill)(long res, long pid, long sig) {}
733 PRE_SYSCALL(rt_sigqueueinfo)(long pid, long sig, void *uinfo) {}
735 POST_SYSCALL(rt_sigqueueinfo)(long res, long pid, long sig, void *uinfo) {
737 if (uinfo) POST_WRITE(uinfo, siginfo_t_sz);
741 PRE_SYSCALL(sgetmask)() {}
743 POST_SYSCALL(sgetmask)(long res) {}
745 PRE_SYSCALL(ssetmask)(long newmask) {}
747 POST_SYSCALL(ssetmask)(long res, long newmask) {}
749 PRE_SYSCALL(signal)(long sig, long handler) {}
751 POST_SYSCALL(signal)(long res, long sig, long handler) {}
753 PRE_SYSCALL(pause)() {}
755 POST_SYSCALL(pause)(long res) {}
757 PRE_SYSCALL(sync)() {}
759 POST_SYSCALL(sync)(long res) {}
761 PRE_SYSCALL(fsync)(long fd) {}
763 POST_SYSCALL(fsync)(long res, long fd) {}
765 PRE_SYSCALL(fdatasync)(long fd) {}
767 POST_SYSCALL(fdatasync)(long res, long fd) {}
769 PRE_SYSCALL(bdflush)(long func, long data) {}
771 POST_SYSCALL(bdflush)(long res, long func, long data) {}
773 PRE_SYSCALL(mount)(void *dev_name, void *dir_name, void *type, long flags,
776 POST_SYSCALL(mount)(long res, void *dev_name, void *dir_name, void *type,
777 long flags, void *data) {
781 __sanitizer::internal_strlen((const char *)dev_name) + 1);
784 __sanitizer::internal_strlen((const char *)dir_name) + 1);
786 POST_WRITE(type, __sanitizer::internal_strlen((const char *)type) + 1);
790 PRE_SYSCALL(umount)(void *name, long flags) {}
792 POST_SYSCALL(umount)(long res, void *name, long flags) {
795 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
799 PRE_SYSCALL(oldumount)(void *name) {}
801 POST_SYSCALL(oldumount)(long res, void *name) {
804 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
808 PRE_SYSCALL(truncate)(const void *path, long length) {
810 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
813 POST_SYSCALL(truncate)(long res, const void *path, long length) {}
815 PRE_SYSCALL(ftruncate)(long fd, long length) {}
817 POST_SYSCALL(ftruncate)(long res, long fd, long length) {}
819 PRE_SYSCALL(stat)(const void *filename, void *statbuf) {
822 __sanitizer::internal_strlen((const char *)filename) + 1);
825 POST_SYSCALL(stat)(long res, const void *filename, void *statbuf) {
827 if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz);
831 PRE_SYSCALL(statfs)(const void *path, void *buf) {
833 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
836 POST_SYSCALL(statfs)(long res, const void *path, void *buf) {
838 if (buf) POST_WRITE(buf, struct_statfs_sz);
842 PRE_SYSCALL(statfs64)(const void *path, long sz, void *buf) {
844 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
847 POST_SYSCALL(statfs64)(long res, const void *path, long sz, void *buf) {
849 if (buf) POST_WRITE(buf, struct_statfs64_sz);
853 PRE_SYSCALL(fstatfs)(long fd, void *buf) {}
855 POST_SYSCALL(fstatfs)(long res, long fd, void *buf) {
857 if (buf) POST_WRITE(buf, struct_statfs_sz);
861 PRE_SYSCALL(fstatfs64)(long fd, long sz, void *buf) {}
863 POST_SYSCALL(fstatfs64)(long res, long fd, long sz, void *buf) {
865 if (buf) POST_WRITE(buf, struct_statfs64_sz);
869 PRE_SYSCALL(lstat)(const void *filename, void *statbuf) {
872 __sanitizer::internal_strlen((const char *)filename) + 1);
875 POST_SYSCALL(lstat)(long res, const void *filename, void *statbuf) {
877 if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz);
881 PRE_SYSCALL(fstat)(long fd, void *statbuf) {}
883 POST_SYSCALL(fstat)(long res, long fd, void *statbuf) {
885 if (statbuf) POST_WRITE(statbuf, struct___old_kernel_stat_sz);
889 PRE_SYSCALL(newstat)(const void *filename, void *statbuf) {
892 __sanitizer::internal_strlen((const char *)filename) + 1);
895 POST_SYSCALL(newstat)(long res, const void *filename, void *statbuf) {
897 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
901 PRE_SYSCALL(newlstat)(const void *filename, void *statbuf) {
904 __sanitizer::internal_strlen((const char *)filename) + 1);
907 POST_SYSCALL(newlstat)(long res, const void *filename, void *statbuf) {
909 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
913 PRE_SYSCALL(newfstat)(long fd, void *statbuf) {}
915 POST_SYSCALL(newfstat)(long res, long fd, void *statbuf) {
917 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
921 PRE_SYSCALL(ustat)(long dev, void *ubuf) {}
923 POST_SYSCALL(ustat)(long res, long dev, void *ubuf) {
925 if (ubuf) POST_WRITE(ubuf, struct_ustat_sz);
929 PRE_SYSCALL(stat64)(const void *filename, void *statbuf) {
932 __sanitizer::internal_strlen((const char *)filename) + 1);
935 POST_SYSCALL(stat64)(long res, const void *filename, void *statbuf) {
937 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
941 PRE_SYSCALL(fstat64)(long fd, void *statbuf) {}
943 POST_SYSCALL(fstat64)(long res, long fd, void *statbuf) {
945 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
949 PRE_SYSCALL(lstat64)(const void *filename, void *statbuf) {
952 __sanitizer::internal_strlen((const char *)filename) + 1);
955 POST_SYSCALL(lstat64)(long res, const void *filename, void *statbuf) {
957 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
961 PRE_SYSCALL(setxattr)(const void *path, const void *name, const void *value,
962 long size, long flags) {
964 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
966 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
967 if (value) PRE_READ(value, size);
970 POST_SYSCALL(setxattr)(long res, const void *path, const void *name,
971 const void *value, long size, long flags) {}
973 PRE_SYSCALL(lsetxattr)(const void *path, const void *name, const void *value,
974 long size, long flags) {
976 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
978 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
979 if (value) PRE_READ(value, size);
982 POST_SYSCALL(lsetxattr)(long res, const void *path, const void *name,
983 const void *value, long size, long flags) {}
985 PRE_SYSCALL(fsetxattr)(long fd, const void *name, const void *value, long size,
988 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
989 if (value) PRE_READ(value, size);
992 POST_SYSCALL(fsetxattr)(long res, long fd, const void *name, const void *value,
993 long size, long flags) {}
995 PRE_SYSCALL(getxattr)(const void *path, const void *name, void *value,
998 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1000 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1003 POST_SYSCALL(getxattr)(long res, const void *path, const void *name,
1004 void *value, long size) {
1006 if (value) POST_WRITE(value, size);
1010 PRE_SYSCALL(lgetxattr)(const void *path, const void *name, void *value,
1013 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1015 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1018 POST_SYSCALL(lgetxattr)(long res, const void *path, const void *name,
1019 void *value, long size) {
1021 if (value) POST_WRITE(value, size);
1025 PRE_SYSCALL(fgetxattr)(long fd, const void *name, void *value, long size) {
1027 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1030 POST_SYSCALL(fgetxattr)(long res, long fd, const void *name, void *value,
1033 if (value) POST_WRITE(value, size);
1037 PRE_SYSCALL(listxattr)(const void *path, void *list, long size) {
1039 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1042 POST_SYSCALL(listxattr)(long res, const void *path, void *list, long size) {
1044 if (list) POST_WRITE(list, size);
1048 PRE_SYSCALL(llistxattr)(const void *path, void *list, long size) {
1050 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1053 POST_SYSCALL(llistxattr)(long res, const void *path, void *list, long size) {
1055 if (list) POST_WRITE(list, size);
1059 PRE_SYSCALL(flistxattr)(long fd, void *list, long size) {}
1061 POST_SYSCALL(flistxattr)(long res, long fd, void *list, long size) {
1063 if (list) POST_WRITE(list, size);
1067 PRE_SYSCALL(removexattr)(const void *path, const void *name) {
1069 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1071 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1074 POST_SYSCALL(removexattr)(long res, const void *path, const void *name) {}
1076 PRE_SYSCALL(lremovexattr)(const void *path, const void *name) {
1078 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1080 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1083 POST_SYSCALL(lremovexattr)(long res, const void *path, const void *name) {}
1085 PRE_SYSCALL(fremovexattr)(long fd, const void *name) {
1087 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
1090 POST_SYSCALL(fremovexattr)(long res, long fd, const void *name) {}
1092 PRE_SYSCALL(brk)(long brk) {}
1094 POST_SYSCALL(brk)(long res, long brk) {}
1096 PRE_SYSCALL(mprotect)(long start, long len, long prot) {}
1098 POST_SYSCALL(mprotect)(long res, long start, long len, long prot) {}
1100 PRE_SYSCALL(mremap)(long addr, long old_len, long new_len, long flags,
1103 POST_SYSCALL(mremap)(long res, long addr, long old_len, long new_len,
1104 long flags, long new_addr) {}
1106 PRE_SYSCALL(remap_file_pages)(long start, long size, long prot, long pgoff,
1109 POST_SYSCALL(remap_file_pages)(long res, long start, long size, long prot,
1110 long pgoff, long flags) {}
1112 PRE_SYSCALL(msync)(long start, long len, long flags) {}
1114 POST_SYSCALL(msync)(long res, long start, long len, long flags) {}
1116 PRE_SYSCALL(munmap)(long addr, long len) {}
1118 POST_SYSCALL(munmap)(long res, long addr, long len) {}
1120 PRE_SYSCALL(mlock)(long start, long len) {}
1122 POST_SYSCALL(mlock)(long res, long start, long len) {}
1124 PRE_SYSCALL(munlock)(long start, long len) {}
1126 POST_SYSCALL(munlock)(long res, long start, long len) {}
1128 PRE_SYSCALL(mlockall)(long flags) {}
1130 POST_SYSCALL(mlockall)(long res, long flags) {}
1132 PRE_SYSCALL(munlockall)() {}
1134 POST_SYSCALL(munlockall)(long res) {}
1136 PRE_SYSCALL(madvise)(long start, long len, long behavior) {}
1138 POST_SYSCALL(madvise)(long res, long start, long len, long behavior) {}
1140 PRE_SYSCALL(mincore)(long start, long len, void *vec) {}
1142 POST_SYSCALL(mincore)(long res, long start, long len, void *vec) {
1145 POST_WRITE(vec, (len + GetPageSizeCached() - 1) / GetPageSizeCached());
1150 PRE_SYSCALL(pivot_root)(const void *new_root, const void *put_old) {
1153 __sanitizer::internal_strlen((const char *)new_root) + 1);
1155 PRE_READ(put_old, __sanitizer::internal_strlen((const char *)put_old) + 1);
1158 POST_SYSCALL(pivot_root)(long res, const void *new_root, const void *put_old) {}
1160 PRE_SYSCALL(chroot)(const void *filename) {
1163 __sanitizer::internal_strlen((const char *)filename) + 1);
1166 POST_SYSCALL(chroot)(long res, const void *filename) {}
1168 PRE_SYSCALL(mknod)(const void *filename, long mode, long dev) {
1171 __sanitizer::internal_strlen((const char *)filename) + 1);
1174 POST_SYSCALL(mknod)(long res, const void *filename, long mode, long dev) {}
1176 PRE_SYSCALL(link)(const void *oldname, const void *newname) {
1178 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
1180 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
1183 POST_SYSCALL(link)(long res, const void *oldname, const void *newname) {}
1185 PRE_SYSCALL(symlink)(const void *old, const void *new_) {
1186 if (old) PRE_READ(old, __sanitizer::internal_strlen((const char *)old) + 1);
1188 PRE_READ(new_, __sanitizer::internal_strlen((const char *)new_) + 1);
1191 POST_SYSCALL(symlink)(long res, const void *old, const void *new_) {}
1193 PRE_SYSCALL(unlink)(const void *pathname) {
1196 __sanitizer::internal_strlen((const char *)pathname) + 1);
1199 POST_SYSCALL(unlink)(long res, const void *pathname) {}
1201 PRE_SYSCALL(rename)(const void *oldname, const void *newname) {
1203 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
1205 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
1208 POST_SYSCALL(rename)(long res, const void *oldname, const void *newname) {}
1210 PRE_SYSCALL(chmod)(const void *filename, long mode) {
1213 __sanitizer::internal_strlen((const char *)filename) + 1);
1216 POST_SYSCALL(chmod)(long res, const void *filename, long mode) {}
1218 PRE_SYSCALL(fchmod)(long fd, long mode) {}
1220 POST_SYSCALL(fchmod)(long res, long fd, long mode) {}
1222 PRE_SYSCALL(fcntl)(long fd, long cmd, long arg) {}
1224 POST_SYSCALL(fcntl)(long res, long fd, long cmd, long arg) {}
1226 PRE_SYSCALL(fcntl64)(long fd, long cmd, long arg) {}
1228 POST_SYSCALL(fcntl64)(long res, long fd, long cmd, long arg) {}
1230 PRE_SYSCALL(pipe)(void *fildes) {}
1232 POST_SYSCALL(pipe)(long res, void *fildes) {
1234 if (fildes) POST_WRITE(fildes, sizeof(int));
1238 PRE_SYSCALL(pipe2)(void *fildes, long flags) {}
1240 POST_SYSCALL(pipe2)(long res, void *fildes, long flags) {
1242 if (fildes) POST_WRITE(fildes, sizeof(int));
1246 PRE_SYSCALL(dup)(long fildes) {}
1248 POST_SYSCALL(dup)(long res, long fildes) {}
1250 PRE_SYSCALL(dup2)(long oldfd, long newfd) {}
1252 POST_SYSCALL(dup2)(long res, long oldfd, long newfd) {}
1254 PRE_SYSCALL(dup3)(long oldfd, long newfd, long flags) {}
1256 POST_SYSCALL(dup3)(long res, long oldfd, long newfd, long flags) {}
1258 PRE_SYSCALL(ioperm)(long from, long num, long on) {}
1260 POST_SYSCALL(ioperm)(long res, long from, long num, long on) {}
1262 PRE_SYSCALL(ioctl)(long fd, long cmd, long arg) {}
1264 POST_SYSCALL(ioctl)(long res, long fd, long cmd, long arg) {}
1266 PRE_SYSCALL(flock)(long fd, long cmd) {}
1268 POST_SYSCALL(flock)(long res, long fd, long cmd) {}
1270 PRE_SYSCALL(io_setup)(long nr_reqs, void **ctx) {
1271 if (ctx) PRE_WRITE(ctx, sizeof(*ctx));
1274 POST_SYSCALL(io_setup)(long res, long nr_reqs, void **ctx) {
1276 if (ctx) POST_WRITE(ctx, sizeof(*ctx));
1277 // (*ctx) is actually a pointer to a kernel mapped page, and there are
1278 // people out there who are crazy enough to peek into that page's 32-byte
1280 if (*ctx) POST_WRITE(*ctx, 32);
1284 PRE_SYSCALL(io_destroy)(long ctx) {}
1286 POST_SYSCALL(io_destroy)(long res, long ctx) {}
1288 PRE_SYSCALL(io_getevents)(long ctx_id, long min_nr, long nr,
1289 __sanitizer_io_event *ioevpp, void *timeout) {
1290 if (timeout) PRE_READ(timeout, struct_timespec_sz);
1293 POST_SYSCALL(io_getevents)(long res, long ctx_id, long min_nr, long nr,
1294 __sanitizer_io_event *ioevpp, void *timeout) {
1296 if (ioevpp) POST_WRITE(ioevpp, res * sizeof(*ioevpp));
1297 if (timeout) POST_WRITE(timeout, struct_timespec_sz);
1299 for (long i = 0; i < res; i++) {
1300 // We synchronize io_submit -> io_getevents/io_cancel using the
1301 // user-provided data context. Data is not necessary a pointer, it can be
1302 // an int, 0 or whatever; acquire/release will correctly handle this.
1303 // This scheme can lead to false negatives, e.g. when all operations
1304 // synchronize on 0. But there does not seem to be a better solution
1305 // (except wrapping all operations in own context, which is unreliable).
1306 // We can not reliably extract fildes in io_getevents.
1307 COMMON_SYSCALL_ACQUIRE((void*)ioevpp[i].data);
1311 PRE_SYSCALL(io_submit)(long ctx_id, long nr, __sanitizer_iocb **iocbpp) {
1312 for (long i = 0; i < nr; ++i) {
1313 uptr op = iocbpp[i]->aio_lio_opcode;
1314 void *data = (void*)iocbpp[i]->aio_data;
1315 void *buf = (void*)iocbpp[i]->aio_buf;
1316 uptr len = (uptr)iocbpp[i]->aio_nbytes;
1317 if (op == iocb_cmd_pwrite && buf && len) {
1319 } else if (op == iocb_cmd_pread && buf && len) {
1320 POST_WRITE(buf, len);
1321 } else if (op == iocb_cmd_pwritev) {
1322 __sanitizer_iovec *iovec = (__sanitizer_iovec*)iocbpp[i]->aio_buf;
1323 for (uptr v = 0; v < len; v++)
1324 PRE_READ(iovec[i].iov_base, iovec[i].iov_len);
1325 } else if (op == iocb_cmd_preadv) {
1326 __sanitizer_iovec *iovec = (__sanitizer_iovec*)iocbpp[i]->aio_buf;
1327 for (uptr v = 0; v < len; v++)
1328 POST_WRITE(iovec[i].iov_base, iovec[i].iov_len);
1330 // See comment in io_getevents.
1331 COMMON_SYSCALL_RELEASE(data);
1335 POST_SYSCALL(io_submit)(long res, long ctx_id, long nr,
1336 __sanitizer_iocb **iocbpp) {}
1338 PRE_SYSCALL(io_cancel)(long ctx_id, __sanitizer_iocb *iocb,
1339 __sanitizer_io_event *result) {
1342 POST_SYSCALL(io_cancel)(long res, long ctx_id, __sanitizer_iocb *iocb,
1343 __sanitizer_io_event *result) {
1346 // See comment in io_getevents.
1347 COMMON_SYSCALL_ACQUIRE((void*)result->data);
1348 POST_WRITE(result, sizeof(*result));
1351 POST_WRITE(iocb, sizeof(*iocb));
1355 PRE_SYSCALL(sendfile)(long out_fd, long in_fd, void *offset, long count) {}
1357 POST_SYSCALL(sendfile)(long res, long out_fd, long in_fd,
1358 __sanitizer___kernel_off_t *offset, long count) {
1360 if (offset) POST_WRITE(offset, sizeof(*offset));
1364 PRE_SYSCALL(sendfile64)(long out_fd, long in_fd, void *offset, long count) {}
1366 POST_SYSCALL(sendfile64)(long res, long out_fd, long in_fd,
1367 __sanitizer___kernel_loff_t *offset, long count) {
1369 if (offset) POST_WRITE(offset, sizeof(*offset));
1373 PRE_SYSCALL(readlink)(const void *path, void *buf, long bufsiz) {
1375 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
1378 POST_SYSCALL(readlink)(long res, const void *path, void *buf, long bufsiz) {
1381 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
1385 PRE_SYSCALL(creat)(const void *pathname, long mode) {
1388 __sanitizer::internal_strlen((const char *)pathname) + 1);
1391 POST_SYSCALL(creat)(long res, const void *pathname, long mode) {}
1393 PRE_SYSCALL(open)(const void *filename, long flags, long mode) {
1396 __sanitizer::internal_strlen((const char *)filename) + 1);
1399 POST_SYSCALL(open)(long res, const void *filename, long flags, long mode) {}
1401 PRE_SYSCALL(close)(long fd) {
1402 COMMON_SYSCALL_FD_CLOSE((int)fd);
1405 POST_SYSCALL(close)(long res, long fd) {}
1407 PRE_SYSCALL(access)(const void *filename, long mode) {
1410 __sanitizer::internal_strlen((const char *)filename) + 1);
1413 POST_SYSCALL(access)(long res, const void *filename, long mode) {}
1415 PRE_SYSCALL(vhangup)() {}
1417 POST_SYSCALL(vhangup)(long res) {}
1419 PRE_SYSCALL(chown)(const void *filename, long user, long group) {
1422 __sanitizer::internal_strlen((const char *)filename) + 1);
1425 POST_SYSCALL(chown)(long res, const void *filename, long user, long group) {}
1427 PRE_SYSCALL(lchown)(const void *filename, long user, long group) {
1430 __sanitizer::internal_strlen((const char *)filename) + 1);
1433 POST_SYSCALL(lchown)(long res, const void *filename, long user, long group) {}
1435 PRE_SYSCALL(fchown)(long fd, long user, long group) {}
1437 POST_SYSCALL(fchown)(long res, long fd, long user, long group) {}
1439 PRE_SYSCALL(chown16)(const void *filename, long user, long group) {
1442 __sanitizer::internal_strlen((const char *)filename) + 1);
1445 POST_SYSCALL(chown16)(long res, const void *filename, long user, long group) {}
1447 PRE_SYSCALL(lchown16)(const void *filename, long user, long group) {
1450 __sanitizer::internal_strlen((const char *)filename) + 1);
1453 POST_SYSCALL(lchown16)(long res, const void *filename, long user, long group) {}
1455 PRE_SYSCALL(fchown16)(long fd, long user, long group) {}
1457 POST_SYSCALL(fchown16)(long res, long fd, long user, long group) {}
1459 PRE_SYSCALL(setregid16)(long rgid, long egid) {}
1461 POST_SYSCALL(setregid16)(long res, long rgid, long egid) {}
1463 PRE_SYSCALL(setgid16)(long gid) {}
1465 POST_SYSCALL(setgid16)(long res, long gid) {}
1467 PRE_SYSCALL(setreuid16)(long ruid, long euid) {}
1469 POST_SYSCALL(setreuid16)(long res, long ruid, long euid) {}
1471 PRE_SYSCALL(setuid16)(long uid) {}
1473 POST_SYSCALL(setuid16)(long res, long uid) {}
1475 PRE_SYSCALL(setresuid16)(long ruid, long euid, long suid) {}
1477 POST_SYSCALL(setresuid16)(long res, long ruid, long euid, long suid) {}
1479 PRE_SYSCALL(getresuid16)(void *ruid, void *euid, void *suid) {}
1481 POST_SYSCALL(getresuid16)(long res, __sanitizer___kernel_old_uid_t *ruid,
1482 __sanitizer___kernel_old_uid_t *euid,
1483 __sanitizer___kernel_old_uid_t *suid) {
1485 if (ruid) POST_WRITE(ruid, sizeof(*ruid));
1486 if (euid) POST_WRITE(euid, sizeof(*euid));
1487 if (suid) POST_WRITE(suid, sizeof(*suid));
1491 PRE_SYSCALL(setresgid16)(long rgid, long egid, long sgid) {}
1493 POST_SYSCALL(setresgid16)(long res, long rgid, long egid, long sgid) {}
1495 PRE_SYSCALL(getresgid16)(void *rgid, void *egid, void *sgid) {}
1497 POST_SYSCALL(getresgid16)(long res, __sanitizer___kernel_old_gid_t *rgid,
1498 __sanitizer___kernel_old_gid_t *egid,
1499 __sanitizer___kernel_old_gid_t *sgid) {
1501 if (rgid) POST_WRITE(rgid, sizeof(*rgid));
1502 if (egid) POST_WRITE(egid, sizeof(*egid));
1503 if (sgid) POST_WRITE(sgid, sizeof(*sgid));
1507 PRE_SYSCALL(setfsuid16)(long uid) {}
1509 POST_SYSCALL(setfsuid16)(long res, long uid) {}
1511 PRE_SYSCALL(setfsgid16)(long gid) {}
1513 POST_SYSCALL(setfsgid16)(long res, long gid) {}
1515 PRE_SYSCALL(getgroups16)(long gidsetsize,
1516 __sanitizer___kernel_old_gid_t *grouplist) {}
1518 POST_SYSCALL(getgroups16)(long res, long gidsetsize,
1519 __sanitizer___kernel_old_gid_t *grouplist) {
1521 if (grouplist) POST_WRITE(grouplist, res * sizeof(*grouplist));
1525 PRE_SYSCALL(setgroups16)(long gidsetsize,
1526 __sanitizer___kernel_old_gid_t *grouplist) {
1527 if (grouplist) POST_WRITE(grouplist, gidsetsize * sizeof(*grouplist));
1530 POST_SYSCALL(setgroups16)(long res, long gidsetsize,
1531 __sanitizer___kernel_old_gid_t *grouplist) {}
1533 PRE_SYSCALL(getuid16)() {}
1535 POST_SYSCALL(getuid16)(long res) {}
1537 PRE_SYSCALL(geteuid16)() {}
1539 POST_SYSCALL(geteuid16)(long res) {}
1541 PRE_SYSCALL(getgid16)() {}
1543 POST_SYSCALL(getgid16)(long res) {}
1545 PRE_SYSCALL(getegid16)() {}
1547 POST_SYSCALL(getegid16)(long res) {}
1549 PRE_SYSCALL(utime)(void *filename, void *times) {}
1551 POST_SYSCALL(utime)(long res, void *filename, void *times) {
1554 POST_WRITE(filename,
1555 __sanitizer::internal_strlen((const char *)filename) + 1);
1556 if (times) POST_WRITE(times, struct_utimbuf_sz);
1560 PRE_SYSCALL(utimes)(void *filename, void *utimes) {}
1562 POST_SYSCALL(utimes)(long res, void *filename, void *utimes) {
1565 POST_WRITE(filename,
1566 __sanitizer::internal_strlen((const char *)filename) + 1);
1567 if (utimes) POST_WRITE(utimes, timeval_sz);
1571 PRE_SYSCALL(lseek)(long fd, long offset, long origin) {}
1573 POST_SYSCALL(lseek)(long res, long fd, long offset, long origin) {}
1575 PRE_SYSCALL(llseek)(long fd, long offset_high, long offset_low, void *result,
1578 POST_SYSCALL(llseek)(long res, long fd, long offset_high, long offset_low,
1579 void *result, long origin) {
1581 if (result) POST_WRITE(result, sizeof(long long));
1585 PRE_SYSCALL(readv)(long fd, const __sanitizer_iovec *vec, long vlen) {}
1587 POST_SYSCALL(readv)(long res, long fd, const __sanitizer_iovec *vec,
1590 if (vec) kernel_write_iovec(vec, vlen, res);
1594 PRE_SYSCALL(write)(long fd, const void *buf, long count) {
1595 if (buf) PRE_READ(buf, count);
1598 POST_SYSCALL(write)(long res, long fd, const void *buf, long count) {}
1600 PRE_SYSCALL(writev)(long fd, const __sanitizer_iovec *vec, long vlen) {}
1602 POST_SYSCALL(writev)(long res, long fd, const __sanitizer_iovec *vec,
1605 if (vec) kernel_read_iovec(vec, vlen, res);
1610 PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos) {}
1612 POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos) {
1614 if (buf) POST_WRITE(buf, res);
1618 PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos) {
1619 if (buf) PRE_READ(buf, count);
1622 POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count,
1625 PRE_SYSCALL(pread64)(long fd, void *buf, long count, long pos0, long pos1) {}
1627 POST_SYSCALL(pread64)(long res, long fd, void *buf, long count, long pos0,
1630 if (buf) POST_WRITE(buf, res);
1634 PRE_SYSCALL(pwrite64)(long fd, const void *buf, long count, long pos0,
1636 if (buf) PRE_READ(buf, count);
1639 POST_SYSCALL(pwrite64)(long res, long fd, const void *buf, long count,
1640 long pos0, long pos1) {}
1643 PRE_SYSCALL(preadv)(long fd, const __sanitizer_iovec *vec, long vlen,
1644 long pos_l, long pos_h) {}
1646 POST_SYSCALL(preadv)(long res, long fd, const __sanitizer_iovec *vec, long vlen,
1647 long pos_l, long pos_h) {
1649 if (vec) kernel_write_iovec(vec, vlen, res);
1653 PRE_SYSCALL(pwritev)(long fd, const __sanitizer_iovec *vec, long vlen,
1654 long pos_l, long pos_h) {}
1656 POST_SYSCALL(pwritev)(long res, long fd, const __sanitizer_iovec *vec,
1657 long vlen, long pos_l, long pos_h) {
1659 if (vec) kernel_read_iovec(vec, vlen, res);
1663 PRE_SYSCALL(getcwd)(void *buf, long size) {}
1665 POST_SYSCALL(getcwd)(long res, void *buf, long size) {
1668 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
1672 PRE_SYSCALL(mkdir)(const void *pathname, long mode) {
1675 __sanitizer::internal_strlen((const char *)pathname) + 1);
1678 POST_SYSCALL(mkdir)(long res, const void *pathname, long mode) {}
1680 PRE_SYSCALL(chdir)(const void *filename) {
1683 __sanitizer::internal_strlen((const char *)filename) + 1);
1686 POST_SYSCALL(chdir)(long res, const void *filename) {}
1688 PRE_SYSCALL(fchdir)(long fd) {}
1690 POST_SYSCALL(fchdir)(long res, long fd) {}
1692 PRE_SYSCALL(rmdir)(const void *pathname) {
1695 __sanitizer::internal_strlen((const char *)pathname) + 1);
1698 POST_SYSCALL(rmdir)(long res, const void *pathname) {}
1700 PRE_SYSCALL(lookup_dcookie)(u64 cookie64, void *buf, long len) {}
1702 POST_SYSCALL(lookup_dcookie)(long res, u64 cookie64, void *buf, long len) {
1705 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
1709 PRE_SYSCALL(quotactl)(long cmd, const void *special, long id, void *addr) {
1711 PRE_READ(special, __sanitizer::internal_strlen((const char *)special) + 1);
1714 POST_SYSCALL(quotactl)(long res, long cmd, const void *special, long id,
1717 PRE_SYSCALL(getdents)(long fd, void *dirent, long count) {}
1719 POST_SYSCALL(getdents)(long res, long fd, void *dirent, long count) {
1721 if (dirent) POST_WRITE(dirent, res);
1725 PRE_SYSCALL(getdents64)(long fd, void *dirent, long count) {}
1727 POST_SYSCALL(getdents64)(long res, long fd, void *dirent, long count) {
1729 if (dirent) POST_WRITE(dirent, res);
1733 PRE_SYSCALL(setsockopt)(long fd, long level, long optname, void *optval,
1736 POST_SYSCALL(setsockopt)(long res, long fd, long level, long optname,
1737 void *optval, long optlen) {
1741 __sanitizer::internal_strlen((const char *)optval) + 1);
1745 PRE_SYSCALL(getsockopt)(long fd, long level, long optname, void *optval,
1748 POST_SYSCALL(getsockopt)(long res, long fd, long level, long optname,
1749 void *optval, void *optlen) {
1753 __sanitizer::internal_strlen((const char *)optval) + 1);
1754 if (optlen) POST_WRITE(optlen, sizeof(int));
1758 PRE_SYSCALL(bind)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {}
1760 POST_SYSCALL(bind)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1763 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1767 PRE_SYSCALL(connect)(long arg0, sanitizer_kernel_sockaddr *arg1, long arg2) {}
1769 POST_SYSCALL(connect)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1772 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1776 PRE_SYSCALL(accept)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2) {}
1778 POST_SYSCALL(accept)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1781 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1782 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1786 PRE_SYSCALL(accept4)(long arg0, sanitizer_kernel_sockaddr *arg1, void *arg2,
1789 POST_SYSCALL(accept4)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1790 void *arg2, long arg3) {
1792 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1793 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1797 PRE_SYSCALL(getsockname)(long arg0, sanitizer_kernel_sockaddr *arg1,
1800 POST_SYSCALL(getsockname)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1803 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1804 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1808 PRE_SYSCALL(getpeername)(long arg0, sanitizer_kernel_sockaddr *arg1,
1811 POST_SYSCALL(getpeername)(long res, long arg0, sanitizer_kernel_sockaddr *arg1,
1814 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
1815 if (arg2) POST_WRITE(arg2, sizeof(unsigned));
1819 PRE_SYSCALL(send)(long arg0, void *arg1, long arg2, long arg3) {}
1821 POST_SYSCALL(send)(long res, long arg0, void *arg1, long arg2, long arg3) {
1823 if (arg1) POST_READ(arg1, res);
1827 PRE_SYSCALL(sendto)(long arg0, void *arg1, long arg2, long arg3,
1828 sanitizer_kernel_sockaddr *arg4, long arg5) {}
1830 POST_SYSCALL(sendto)(long res, long arg0, void *arg1, long arg2, long arg3,
1831 sanitizer_kernel_sockaddr *arg4, long arg5) {
1833 if (arg1) POST_READ(arg1, res);
1834 if (arg4) POST_WRITE(arg4, sizeof(*arg4));
1838 PRE_SYSCALL(sendmsg)(long fd, void *msg, long flags) {}
1840 POST_SYSCALL(sendmsg)(long res, long fd, void *msg, long flags) {
1844 PRE_SYSCALL(sendmmsg)(long fd, void *msg, long vlen, long flags) {}
1846 POST_SYSCALL(sendmmsg)(long res, long fd, void *msg, long vlen, long flags) {
1850 PRE_SYSCALL(recv)(long arg0, void *buf, long len, long flags) {}
1852 POST_SYSCALL(recv)(long res, void *buf, long len, long flags) {
1854 if (buf) POST_WRITE(buf, res);
1858 PRE_SYSCALL(recvfrom)(long arg0, void *buf, long len, long flags,
1859 sanitizer_kernel_sockaddr *arg4, void *arg5) {}
1861 POST_SYSCALL(recvfrom)(long res, long arg0, void *buf, long len, long flags,
1862 sanitizer_kernel_sockaddr *arg4, void *arg5) {
1864 if (buf) POST_WRITE(buf, res);
1865 if (arg4) POST_WRITE(arg4, sizeof(*arg4));
1866 if (arg5) POST_WRITE(arg5, sizeof(int));
1870 PRE_SYSCALL(socket)(long arg0, long arg1, long arg2) {}
1872 POST_SYSCALL(socket)(long res, long arg0, long arg1, long arg2) {}
1874 PRE_SYSCALL(socketpair)(long arg0, long arg1, long arg2, void *arg3) {}
1876 POST_SYSCALL(socketpair)(long res, long arg0, long arg1, long arg2,
1879 if (arg3) POST_WRITE(arg3, sizeof(int));
1883 PRE_SYSCALL(socketcall)(long call, void *args) {}
1885 POST_SYSCALL(socketcall)(long res, long call, void *args) {
1887 if (args) POST_WRITE(args, sizeof(long));
1891 PRE_SYSCALL(listen)(long arg0, long arg1) {}
1893 POST_SYSCALL(listen)(long res, long arg0, long arg1) {}
1895 PRE_SYSCALL(poll)(void *ufds, long nfds, long timeout) {}
1897 POST_SYSCALL(poll)(long res, __sanitizer_pollfd *ufds, long nfds,
1900 if (ufds) POST_WRITE(ufds, nfds * sizeof(*ufds));
1904 PRE_SYSCALL(select)(long n, __sanitizer___kernel_fd_set *inp,
1905 __sanitizer___kernel_fd_set *outp,
1906 __sanitizer___kernel_fd_set *exp, void *tvp) {}
1908 POST_SYSCALL(select)(long res, long n, __sanitizer___kernel_fd_set *inp,
1909 __sanitizer___kernel_fd_set *outp,
1910 __sanitizer___kernel_fd_set *exp, void *tvp) {
1912 if (inp) POST_WRITE(inp, sizeof(*inp));
1913 if (outp) POST_WRITE(outp, sizeof(*outp));
1914 if (exp) POST_WRITE(exp, sizeof(*exp));
1915 if (tvp) POST_WRITE(tvp, timeval_sz);
1919 PRE_SYSCALL(old_select)(void *arg) {}
1921 POST_SYSCALL(old_select)(long res, void *arg) {}
1923 PRE_SYSCALL(epoll_create)(long size) {}
1925 POST_SYSCALL(epoll_create)(long res, long size) {}
1927 PRE_SYSCALL(epoll_create1)(long flags) {}
1929 POST_SYSCALL(epoll_create1)(long res, long flags) {}
1931 PRE_SYSCALL(epoll_ctl)(long epfd, long op, long fd, void *event) {}
1933 POST_SYSCALL(epoll_ctl)(long res, long epfd, long op, long fd, void *event) {
1935 if (event) POST_WRITE(event, struct_epoll_event_sz);
1939 PRE_SYSCALL(epoll_wait)(long epfd, void *events, long maxevents, long timeout) {
1942 POST_SYSCALL(epoll_wait)(long res, long epfd, void *events, long maxevents,
1945 if (events) POST_WRITE(events, struct_epoll_event_sz);
1949 PRE_SYSCALL(epoll_pwait)(long epfd, void *events, long maxevents, long timeout,
1950 const kernel_sigset_t *sigmask, long sigsetsize) {
1951 if (sigmask) PRE_READ(sigmask, sigsetsize);
1954 POST_SYSCALL(epoll_pwait)(long res, long epfd, void *events, long maxevents,
1955 long timeout, const void *sigmask, long sigsetsize) {
1957 if (events) POST_WRITE(events, struct_epoll_event_sz);
1961 PRE_SYSCALL(gethostname)(void *name, long len) {}
1963 POST_SYSCALL(gethostname)(long res, void *name, long len) {
1966 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
1970 PRE_SYSCALL(sethostname)(void *name, long len) {}
1972 POST_SYSCALL(sethostname)(long res, void *name, long len) {
1975 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
1979 PRE_SYSCALL(setdomainname)(void *name, long len) {}
1981 POST_SYSCALL(setdomainname)(long res, void *name, long len) {
1984 POST_WRITE(name, __sanitizer::internal_strlen((const char *)name) + 1);
1988 PRE_SYSCALL(newuname)(void *name) {}
1990 POST_SYSCALL(newuname)(long res, void *name) {
1992 if (name) POST_WRITE(name, struct_new_utsname_sz);
1996 PRE_SYSCALL(uname)(void *arg0) {}
1998 POST_SYSCALL(uname)(long res, void *arg0) {
2000 if (arg0) POST_WRITE(arg0, struct_old_utsname_sz);
2004 PRE_SYSCALL(olduname)(void *arg0) {}
2006 POST_SYSCALL(olduname)(long res, void *arg0) {
2008 if (arg0) POST_WRITE(arg0, struct_oldold_utsname_sz);
2012 PRE_SYSCALL(getrlimit)(long resource, void *rlim) {}
2014 POST_SYSCALL(getrlimit)(long res, long resource, void *rlim) {
2016 if (rlim) POST_WRITE(rlim, struct_rlimit_sz);
2020 PRE_SYSCALL(old_getrlimit)(long resource, void *rlim) {}
2022 POST_SYSCALL(old_getrlimit)(long res, long resource, void *rlim) {
2024 if (rlim) POST_WRITE(rlim, struct_rlimit_sz);
2028 PRE_SYSCALL(setrlimit)(long resource, void *rlim) {}
2030 POST_SYSCALL(setrlimit)(long res, long resource, void *rlim) {
2032 if (rlim) POST_WRITE(rlim, struct_rlimit_sz);
2036 #if !SANITIZER_ANDROID
2037 PRE_SYSCALL(prlimit64)(long pid, long resource, const void *new_rlim,
2039 if (new_rlim) PRE_READ(new_rlim, struct_rlimit64_sz);
2042 POST_SYSCALL(prlimit64)(long res, long pid, long resource, const void *new_rlim,
2045 if (old_rlim) POST_WRITE(old_rlim, struct_rlimit64_sz);
2050 PRE_SYSCALL(getrusage)(long who, void *ru) {}
2052 POST_SYSCALL(getrusage)(long res, long who, void *ru) {
2054 if (ru) POST_WRITE(ru, struct_rusage_sz);
2058 PRE_SYSCALL(umask)(long mask) {}
2060 POST_SYSCALL(umask)(long res, long mask) {}
2062 PRE_SYSCALL(msgget)(long key, long msgflg) {}
2064 POST_SYSCALL(msgget)(long res, long key, long msgflg) {}
2066 PRE_SYSCALL(msgsnd)(long msqid, void *msgp, long msgsz, long msgflg) {
2067 if (msgp) PRE_READ(msgp, msgsz);
2070 POST_SYSCALL(msgsnd)(long res, long msqid, void *msgp, long msgsz,
2073 PRE_SYSCALL(msgrcv)(long msqid, void *msgp, long msgsz, long msgtyp,
2076 POST_SYSCALL(msgrcv)(long res, long msqid, void *msgp, long msgsz, long msgtyp,
2079 if (msgp) POST_WRITE(msgp, res);
2083 PRE_SYSCALL(msgctl)(long msqid, long cmd, void *buf) {}
2085 POST_SYSCALL(msgctl)(long res, long msqid, long cmd, void *buf) {
2087 if (buf) POST_WRITE(buf, struct_msqid_ds_sz);
2091 PRE_SYSCALL(semget)(long key, long nsems, long semflg) {}
2093 POST_SYSCALL(semget)(long res, long key, long nsems, long semflg) {}
2095 PRE_SYSCALL(semop)(long semid, void *sops, long nsops) {}
2097 POST_SYSCALL(semop)(long res, long semid, void *sops, long nsops) {}
2099 PRE_SYSCALL(semctl)(long semid, long semnum, long cmd, void *arg) {}
2101 POST_SYSCALL(semctl)(long res, long semid, long semnum, long cmd, void *arg) {}
2103 PRE_SYSCALL(semtimedop)(long semid, void *sops, long nsops,
2104 const void *timeout) {
2105 if (timeout) PRE_READ(timeout, struct_timespec_sz);
2108 POST_SYSCALL(semtimedop)(long res, long semid, void *sops, long nsops,
2109 const void *timeout) {}
2111 PRE_SYSCALL(shmat)(long shmid, void *shmaddr, long shmflg) {}
2113 POST_SYSCALL(shmat)(long res, long shmid, void *shmaddr, long shmflg) {
2117 __sanitizer::internal_strlen((const char *)shmaddr) + 1);
2121 PRE_SYSCALL(shmget)(long key, long size, long flag) {}
2123 POST_SYSCALL(shmget)(long res, long key, long size, long flag) {}
2125 PRE_SYSCALL(shmdt)(void *shmaddr) {}
2127 POST_SYSCALL(shmdt)(long res, void *shmaddr) {
2131 __sanitizer::internal_strlen((const char *)shmaddr) + 1);
2135 PRE_SYSCALL(ipc)(long call, long first, long second, long third, void *ptr,
2138 POST_SYSCALL(ipc)(long res, long call, long first, long second, long third,
2139 void *ptr, long fifth) {}
2141 #if !SANITIZER_ANDROID
2142 PRE_SYSCALL(shmctl)(long shmid, long cmd, void *buf) {}
2144 POST_SYSCALL(shmctl)(long res, long shmid, long cmd, void *buf) {
2146 if (buf) POST_WRITE(buf, sizeof(__sanitizer_shmid_ds));
2150 PRE_SYSCALL(mq_open)(const void *name, long oflag, long mode, void *attr) {
2152 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
2155 POST_SYSCALL(mq_open)(long res, const void *name, long oflag, long mode,
2158 if (attr) POST_WRITE(attr, struct_mq_attr_sz);
2162 PRE_SYSCALL(mq_unlink)(const void *name) {
2164 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
2167 POST_SYSCALL(mq_unlink)(long res, const void *name) {}
2169 PRE_SYSCALL(mq_timedsend)(long mqdes, const void *msg_ptr, long msg_len,
2170 long msg_prio, const void *abs_timeout) {
2171 if (msg_ptr) PRE_READ(msg_ptr, msg_len);
2172 if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz);
2175 POST_SYSCALL(mq_timedsend)(long res, long mqdes, const void *msg_ptr,
2176 long msg_len, long msg_prio,
2177 const void *abs_timeout) {}
2179 PRE_SYSCALL(mq_timedreceive)(long mqdes, void *msg_ptr, long msg_len,
2180 void *msg_prio, const void *abs_timeout) {
2181 if (abs_timeout) PRE_READ(abs_timeout, struct_timespec_sz);
2184 POST_SYSCALL(mq_timedreceive)(long res, long mqdes, void *msg_ptr, long msg_len,
2185 int *msg_prio, const void *abs_timeout) {
2187 if (msg_ptr) POST_WRITE(msg_ptr, res);
2188 if (msg_prio) POST_WRITE(msg_prio, sizeof(*msg_prio));
2192 PRE_SYSCALL(mq_notify)(long mqdes, const void *notification) {
2193 if (notification) PRE_READ(notification, struct_sigevent_sz);
2196 POST_SYSCALL(mq_notify)(long res, long mqdes, const void *notification) {}
2198 PRE_SYSCALL(mq_getsetattr)(long mqdes, const void *mqstat, void *omqstat) {
2199 if (mqstat) PRE_READ(mqstat, struct_mq_attr_sz);
2202 POST_SYSCALL(mq_getsetattr)(long res, long mqdes, const void *mqstat,
2205 if (omqstat) POST_WRITE(omqstat, struct_mq_attr_sz);
2208 #endif // SANITIZER_ANDROID
2210 PRE_SYSCALL(pciconfig_iobase)(long which, long bus, long devfn) {}
2212 POST_SYSCALL(pciconfig_iobase)(long res, long which, long bus, long devfn) {}
2214 PRE_SYSCALL(pciconfig_read)(long bus, long dfn, long off, long len, void *buf) {
2217 POST_SYSCALL(pciconfig_read)(long res, long bus, long dfn, long off, long len,
2220 PRE_SYSCALL(pciconfig_write)(long bus, long dfn, long off, long len,
2223 POST_SYSCALL(pciconfig_write)(long res, long bus, long dfn, long off, long len,
2226 PRE_SYSCALL(swapon)(const void *specialfile, long swap_flags) {
2228 PRE_READ(specialfile,
2229 __sanitizer::internal_strlen((const char *)specialfile) + 1);
2232 POST_SYSCALL(swapon)(long res, const void *specialfile, long swap_flags) {}
2234 PRE_SYSCALL(swapoff)(const void *specialfile) {
2236 PRE_READ(specialfile,
2237 __sanitizer::internal_strlen((const char *)specialfile) + 1);
2240 POST_SYSCALL(swapoff)(long res, const void *specialfile) {}
2242 PRE_SYSCALL(sysctl)(__sanitizer___sysctl_args *args) {
2244 if (args->name) PRE_READ(args->name, args->nlen * sizeof(*args->name));
2245 if (args->newval) PRE_READ(args->name, args->newlen);
2249 POST_SYSCALL(sysctl)(long res, __sanitizer___sysctl_args *args) {
2251 if (args && args->oldval && args->oldlenp) {
2252 POST_WRITE(args->oldlenp, sizeof(*args->oldlenp));
2253 POST_WRITE(args->oldval, *args->oldlenp);
2258 PRE_SYSCALL(sysinfo)(void *info) {}
2260 POST_SYSCALL(sysinfo)(long res, void *info) {
2262 if (info) POST_WRITE(info, struct_sysinfo_sz);
2266 PRE_SYSCALL(sysfs)(long option, long arg1, long arg2) {}
2268 POST_SYSCALL(sysfs)(long res, long option, long arg1, long arg2) {}
2270 PRE_SYSCALL(syslog)(long type, void *buf, long len) {}
2272 POST_SYSCALL(syslog)(long res, long type, void *buf, long len) {
2275 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
2279 PRE_SYSCALL(uselib)(const void *library) {
2281 PRE_READ(library, __sanitizer::internal_strlen((const char *)library) + 1);
2284 POST_SYSCALL(uselib)(long res, const void *library) {}
2286 PRE_SYSCALL(ni_syscall)() {}
2288 POST_SYSCALL(ni_syscall)(long res) {}
2290 PRE_SYSCALL(ptrace)(long request, long pid, long addr, long data) {
2291 #if defined(__i386) || defined (__x86_64)
2293 if (request == ptrace_setregs) {
2294 PRE_READ((void *)data, struct_user_regs_struct_sz);
2295 } else if (request == ptrace_setfpregs) {
2296 PRE_READ((void *)data, struct_user_fpregs_struct_sz);
2297 } else if (request == ptrace_setfpxregs) {
2298 PRE_READ((void *)data, struct_user_fpxregs_struct_sz);
2299 } else if (request == ptrace_setsiginfo) {
2300 PRE_READ((void *)data, siginfo_t_sz);
2301 } else if (request == ptrace_setregset) {
2302 __sanitizer_iovec *iov = (__sanitizer_iovec *)data;
2303 PRE_READ(iov->iov_base, iov->iov_len);
2309 POST_SYSCALL(ptrace)(long res, long request, long pid, long addr, long data) {
2310 #if defined(__i386) || defined (__x86_64)
2311 if (res >= 0 && data) {
2312 // Note that this is different from the interceptor in
2313 // sanitizer_common_interceptors.inc.
2314 // PEEK* requests return resulting values through data pointer.
2315 if (request == ptrace_getregs) {
2316 POST_WRITE((void *)data, struct_user_regs_struct_sz);
2317 } else if (request == ptrace_getfpregs) {
2318 POST_WRITE((void *)data, struct_user_fpregs_struct_sz);
2319 } else if (request == ptrace_getfpxregs) {
2320 POST_WRITE((void *)data, struct_user_fpxregs_struct_sz);
2321 } else if (request == ptrace_getsiginfo) {
2322 POST_WRITE((void *)data, siginfo_t_sz);
2323 } else if (request == ptrace_getregset) {
2324 __sanitizer_iovec *iov = (__sanitizer_iovec *)data;
2325 POST_WRITE(iov->iov_base, iov->iov_len);
2326 } else if (request == ptrace_peekdata || request == ptrace_peektext ||
2327 request == ptrace_peekuser) {
2328 POST_WRITE((void *)data, sizeof(void *));
2334 PRE_SYSCALL(add_key)(const void *_type, const void *_description,
2335 const void *_payload, long plen, long destringid) {
2337 PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1);
2339 PRE_READ(_description,
2340 __sanitizer::internal_strlen((const char *)_description) + 1);
2343 POST_SYSCALL(add_key)(long res, const void *_type, const void *_description,
2344 const void *_payload, long plen, long destringid) {}
2346 PRE_SYSCALL(request_key)(const void *_type, const void *_description,
2347 const void *_callout_info, long destringid) {
2349 PRE_READ(_type, __sanitizer::internal_strlen((const char *)_type) + 1);
2351 PRE_READ(_description,
2352 __sanitizer::internal_strlen((const char *)_description) + 1);
2354 PRE_READ(_callout_info,
2355 __sanitizer::internal_strlen((const char *)_callout_info) + 1);
2358 POST_SYSCALL(request_key)(long res, const void *_type, const void *_description,
2359 const void *_callout_info, long destringid) {}
2361 PRE_SYSCALL(keyctl)(long cmd, long arg2, long arg3, long arg4, long arg5) {}
2363 POST_SYSCALL(keyctl)(long res, long cmd, long arg2, long arg3, long arg4,
2366 PRE_SYSCALL(ioprio_set)(long which, long who, long ioprio) {}
2368 POST_SYSCALL(ioprio_set)(long res, long which, long who, long ioprio) {}
2370 PRE_SYSCALL(ioprio_get)(long which, long who) {}
2372 POST_SYSCALL(ioprio_get)(long res, long which, long who) {}
2374 PRE_SYSCALL(set_mempolicy)(long mode, void *nmask, long maxnode) {}
2376 POST_SYSCALL(set_mempolicy)(long res, long mode, void *nmask, long maxnode) {
2378 if (nmask) POST_WRITE(nmask, sizeof(long));
2382 PRE_SYSCALL(migrate_pages)(long pid, long maxnode, const void *from,
2384 if (from) PRE_READ(from, sizeof(long));
2385 if (to) PRE_READ(to, sizeof(long));
2388 POST_SYSCALL(migrate_pages)(long res, long pid, long maxnode, const void *from,
2391 PRE_SYSCALL(move_pages)(long pid, long nr_pages, const void **pages,
2392 const int *nodes, int *status, long flags) {
2393 if (pages) PRE_READ(pages, nr_pages * sizeof(*pages));
2394 if (nodes) PRE_READ(nodes, nr_pages * sizeof(*nodes));
2397 POST_SYSCALL(move_pages)(long res, long pid, long nr_pages, const void **pages,
2398 const int *nodes, int *status, long flags) {
2400 if (status) POST_WRITE(status, nr_pages * sizeof(*status));
2404 PRE_SYSCALL(mbind)(long start, long len, long mode, void *nmask, long maxnode,
2407 POST_SYSCALL(mbind)(long res, long start, long len, long mode, void *nmask,
2408 long maxnode, long flags) {
2410 if (nmask) POST_WRITE(nmask, sizeof(long));
2414 PRE_SYSCALL(get_mempolicy)(void *policy, void *nmask, long maxnode, long addr,
2417 POST_SYSCALL(get_mempolicy)(long res, void *policy, void *nmask, long maxnode,
2418 long addr, long flags) {
2420 if (policy) POST_WRITE(policy, sizeof(int));
2421 if (nmask) POST_WRITE(nmask, sizeof(long));
2425 PRE_SYSCALL(inotify_init)() {}
2427 POST_SYSCALL(inotify_init)(long res) {}
2429 PRE_SYSCALL(inotify_init1)(long flags) {}
2431 POST_SYSCALL(inotify_init1)(long res, long flags) {}
2433 PRE_SYSCALL(inotify_add_watch)(long fd, const void *path, long mask) {
2435 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
2438 POST_SYSCALL(inotify_add_watch)(long res, long fd, const void *path,
2441 PRE_SYSCALL(inotify_rm_watch)(long fd, long wd) {}
2443 POST_SYSCALL(inotify_rm_watch)(long res, long fd, long wd) {}
2445 PRE_SYSCALL(spu_run)(long fd, void *unpc, void *ustatus) {}
2447 POST_SYSCALL(spu_run)(long res, long fd, unsigned *unpc, unsigned *ustatus) {
2449 if (unpc) POST_WRITE(unpc, sizeof(*unpc));
2450 if (ustatus) POST_WRITE(ustatus, sizeof(*ustatus));
2454 PRE_SYSCALL(spu_create)(const void *name, long flags, long mode, long fd) {
2456 PRE_READ(name, __sanitizer::internal_strlen((const char *)name) + 1);
2459 POST_SYSCALL(spu_create)(long res, const void *name, long flags, long mode,
2462 PRE_SYSCALL(mknodat)(long dfd, const void *filename, long mode, long dev) {
2465 __sanitizer::internal_strlen((const char *)filename) + 1);
2468 POST_SYSCALL(mknodat)(long res, long dfd, const void *filename, long mode,
2471 PRE_SYSCALL(mkdirat)(long dfd, const void *pathname, long mode) {
2474 __sanitizer::internal_strlen((const char *)pathname) + 1);
2477 POST_SYSCALL(mkdirat)(long res, long dfd, const void *pathname, long mode) {}
2479 PRE_SYSCALL(unlinkat)(long dfd, const void *pathname, long flag) {
2482 __sanitizer::internal_strlen((const char *)pathname) + 1);
2485 POST_SYSCALL(unlinkat)(long res, long dfd, const void *pathname, long flag) {}
2487 PRE_SYSCALL(symlinkat)(const void *oldname, long newdfd, const void *newname) {
2489 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
2491 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
2494 POST_SYSCALL(symlinkat)(long res, const void *oldname, long newdfd,
2495 const void *newname) {}
2497 PRE_SYSCALL(linkat)(long olddfd, const void *oldname, long newdfd,
2498 const void *newname, long flags) {
2500 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
2502 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
2505 POST_SYSCALL(linkat)(long res, long olddfd, const void *oldname, long newdfd,
2506 const void *newname, long flags) {}
2508 PRE_SYSCALL(renameat)(long olddfd, const void *oldname, long newdfd,
2509 const void *newname) {
2511 PRE_READ(oldname, __sanitizer::internal_strlen((const char *)oldname) + 1);
2513 PRE_READ(newname, __sanitizer::internal_strlen((const char *)newname) + 1);
2516 POST_SYSCALL(renameat)(long res, long olddfd, const void *oldname, long newdfd,
2517 const void *newname) {}
2519 PRE_SYSCALL(futimesat)(long dfd, const void *filename, void *utimes) {
2522 __sanitizer::internal_strlen((const char *)filename) + 1);
2525 POST_SYSCALL(futimesat)(long res, long dfd, const void *filename,
2528 if (utimes) POST_WRITE(utimes, timeval_sz);
2532 PRE_SYSCALL(faccessat)(long dfd, const void *filename, long mode) {
2535 __sanitizer::internal_strlen((const char *)filename) + 1);
2538 POST_SYSCALL(faccessat)(long res, long dfd, const void *filename, long mode) {}
2540 PRE_SYSCALL(fchmodat)(long dfd, const void *filename, long mode) {
2543 __sanitizer::internal_strlen((const char *)filename) + 1);
2546 POST_SYSCALL(fchmodat)(long res, long dfd, const void *filename, long mode) {}
2548 PRE_SYSCALL(fchownat)(long dfd, const void *filename, long user, long group,
2552 __sanitizer::internal_strlen((const char *)filename) + 1);
2555 POST_SYSCALL(fchownat)(long res, long dfd, const void *filename, long user,
2556 long group, long flag) {}
2558 PRE_SYSCALL(openat)(long dfd, const void *filename, long flags, long mode) {
2561 __sanitizer::internal_strlen((const char *)filename) + 1);
2564 POST_SYSCALL(openat)(long res, long dfd, const void *filename, long flags,
2567 PRE_SYSCALL(newfstatat)(long dfd, const void *filename, void *statbuf,
2571 __sanitizer::internal_strlen((const char *)filename) + 1);
2574 POST_SYSCALL(newfstatat)(long res, long dfd, const void *filename,
2575 void *statbuf, long flag) {
2577 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat_sz);
2581 PRE_SYSCALL(fstatat64)(long dfd, const void *filename, void *statbuf,
2585 __sanitizer::internal_strlen((const char *)filename) + 1);
2588 POST_SYSCALL(fstatat64)(long res, long dfd, const void *filename, void *statbuf,
2591 if (statbuf) POST_WRITE(statbuf, struct_kernel_stat64_sz);
2595 PRE_SYSCALL(readlinkat)(long dfd, const void *path, void *buf, long bufsiz) {
2597 PRE_READ(path, __sanitizer::internal_strlen((const char *)path) + 1);
2600 POST_SYSCALL(readlinkat)(long res, long dfd, const void *path, void *buf,
2604 POST_WRITE(buf, __sanitizer::internal_strlen((const char *)buf) + 1);
2608 PRE_SYSCALL(utimensat)(long dfd, const void *filename, void *utimes,
2612 __sanitizer::internal_strlen((const char *)filename) + 1);
2615 POST_SYSCALL(utimensat)(long res, long dfd, const void *filename, void *utimes,
2618 if (utimes) POST_WRITE(utimes, struct_timespec_sz);
2622 PRE_SYSCALL(unshare)(long unshare_flags) {}
2624 POST_SYSCALL(unshare)(long res, long unshare_flags) {}
2626 PRE_SYSCALL(splice)(long fd_in, void *off_in, long fd_out, void *off_out,
2627 long len, long flags) {}
2629 POST_SYSCALL(splice)(long res, long fd_in, void *off_in, long fd_out,
2630 void *off_out, long len, long flags) {
2632 if (off_in) POST_WRITE(off_in, sizeof(long long));
2633 if (off_out) POST_WRITE(off_out, sizeof(long long));
2637 PRE_SYSCALL(vmsplice)(long fd, const __sanitizer_iovec *iov, long nr_segs,
2640 POST_SYSCALL(vmsplice)(long res, long fd, const __sanitizer_iovec *iov,
2641 long nr_segs, long flags) {
2643 if (iov) kernel_read_iovec(iov, nr_segs, res);
2647 PRE_SYSCALL(tee)(long fdin, long fdout, long len, long flags) {}
2649 POST_SYSCALL(tee)(long res, long fdin, long fdout, long len, long flags) {}
2651 PRE_SYSCALL(get_robust_list)(long pid, void *head_ptr, void *len_ptr) {}
2653 POST_SYSCALL(get_robust_list)(long res, long pid, void *head_ptr,
2656 PRE_SYSCALL(set_robust_list)(void *head, long len) {}
2658 POST_SYSCALL(set_robust_list)(long res, void *head, long len) {}
2660 PRE_SYSCALL(getcpu)(void *cpu, void *node, void *cache) {}
2662 POST_SYSCALL(getcpu)(long res, void *cpu, void *node, void *cache) {
2664 if (cpu) POST_WRITE(cpu, sizeof(unsigned));
2665 if (node) POST_WRITE(node, sizeof(unsigned));
2666 // The third argument to this system call is nowadays unused.
2670 PRE_SYSCALL(signalfd)(long ufd, void *user_mask, long sizemask) {}
2672 POST_SYSCALL(signalfd)(long res, long ufd, kernel_sigset_t *user_mask,
2675 if (user_mask) POST_WRITE(user_mask, sizemask);
2679 PRE_SYSCALL(signalfd4)(long ufd, void *user_mask, long sizemask, long flags) {}
2681 POST_SYSCALL(signalfd4)(long res, long ufd, kernel_sigset_t *user_mask,
2682 long sizemask, long flags) {
2684 if (user_mask) POST_WRITE(user_mask, sizemask);
2688 PRE_SYSCALL(timerfd_create)(long clockid, long flags) {}
2690 POST_SYSCALL(timerfd_create)(long res, long clockid, long flags) {}
2692 PRE_SYSCALL(timerfd_settime)(long ufd, long flags, const void *utmr,
2694 if (utmr) PRE_READ(utmr, struct_itimerspec_sz);
2697 POST_SYSCALL(timerfd_settime)(long res, long ufd, long flags, const void *utmr,
2700 if (otmr) POST_WRITE(otmr, struct_itimerspec_sz);
2704 PRE_SYSCALL(timerfd_gettime)(long ufd, void *otmr) {}
2706 POST_SYSCALL(timerfd_gettime)(long res, long ufd, void *otmr) {
2708 if (otmr) POST_WRITE(otmr, struct_itimerspec_sz);
2712 PRE_SYSCALL(eventfd)(long count) {}
2714 POST_SYSCALL(eventfd)(long res, long count) {}
2716 PRE_SYSCALL(eventfd2)(long count, long flags) {}
2718 POST_SYSCALL(eventfd2)(long res, long count, long flags) {}
2720 PRE_SYSCALL(old_readdir)(long arg0, void *arg1, long arg2) {}
2722 POST_SYSCALL(old_readdir)(long res, long arg0, void *arg1, long arg2) {
2723 // Missing definition of 'struct old_linux_dirent'.
2726 PRE_SYSCALL(pselect6)(long arg0, __sanitizer___kernel_fd_set *arg1,
2727 __sanitizer___kernel_fd_set *arg2,
2728 __sanitizer___kernel_fd_set *arg3, void *arg4,
2731 POST_SYSCALL(pselect6)(long res, long arg0, __sanitizer___kernel_fd_set *arg1,
2732 __sanitizer___kernel_fd_set *arg2,
2733 __sanitizer___kernel_fd_set *arg3, void *arg4,
2736 if (arg1) POST_WRITE(arg1, sizeof(*arg1));
2737 if (arg2) POST_WRITE(arg2, sizeof(*arg2));
2738 if (arg3) POST_WRITE(arg3, sizeof(*arg3));
2739 if (arg4) POST_WRITE(arg4, struct_timespec_sz);
2743 PRE_SYSCALL(ppoll)(__sanitizer_pollfd *arg0, long arg1, void *arg2,
2744 const kernel_sigset_t *arg3, long arg4) {
2745 if (arg3) PRE_READ(arg3, arg4);
2748 POST_SYSCALL(ppoll)(long res, __sanitizer_pollfd *arg0, long arg1, void *arg2,
2749 const void *arg3, long arg4) {
2751 if (arg0) POST_WRITE(arg0, sizeof(*arg0));
2752 if (arg2) POST_WRITE(arg2, struct_timespec_sz);
2756 PRE_SYSCALL(syncfs)(long fd) {}
2758 POST_SYSCALL(syncfs)(long res, long fd) {}
2760 PRE_SYSCALL(perf_event_open)(__sanitizer_perf_event_attr *attr_uptr, long pid,
2761 long cpu, long group_fd, long flags) {
2762 if (attr_uptr) PRE_READ(attr_uptr, attr_uptr->size);
2765 POST_SYSCALL(perf_event_open)(long res, __sanitizer_perf_event_attr *attr_uptr,
2766 long pid, long cpu, long group_fd, long flags) {}
2768 PRE_SYSCALL(mmap_pgoff)(long addr, long len, long prot, long flags, long fd,
2771 POST_SYSCALL(mmap_pgoff)(long res, long addr, long len, long prot, long flags,
2772 long fd, long pgoff) {}
2774 PRE_SYSCALL(old_mmap)(void *arg) {}
2776 POST_SYSCALL(old_mmap)(long res, void *arg) {}
2778 PRE_SYSCALL(name_to_handle_at)(long dfd, const void *name, void *handle,
2779 void *mnt_id, long flag) {}
2781 POST_SYSCALL(name_to_handle_at)(long res, long dfd, const void *name,
2782 void *handle, void *mnt_id, long flag) {}
2784 PRE_SYSCALL(open_by_handle_at)(long mountdirfd, void *handle, long flags) {}
2786 POST_SYSCALL(open_by_handle_at)(long res, long mountdirfd, void *handle,
2789 PRE_SYSCALL(setns)(long fd, long nstype) {}
2791 POST_SYSCALL(setns)(long res, long fd, long nstype) {}
2793 PRE_SYSCALL(process_vm_readv)(long pid, const __sanitizer_iovec *lvec,
2794 long liovcnt, const void *rvec, long riovcnt,
2797 POST_SYSCALL(process_vm_readv)(long res, long pid,
2798 const __sanitizer_iovec *lvec, long liovcnt,
2799 const void *rvec, long riovcnt, long flags) {
2801 if (lvec) kernel_write_iovec(lvec, liovcnt, res);
2805 PRE_SYSCALL(process_vm_writev)(long pid, const __sanitizer_iovec *lvec,
2806 long liovcnt, const void *rvec, long riovcnt,
2809 POST_SYSCALL(process_vm_writev)(long res, long pid,
2810 const __sanitizer_iovec *lvec, long liovcnt,
2811 const void *rvec, long riovcnt, long flags) {
2813 if (lvec) kernel_read_iovec(lvec, liovcnt, res);
2817 PRE_SYSCALL(fork)() {
2818 COMMON_SYSCALL_PRE_FORK();
2821 POST_SYSCALL(fork)(long res) {
2822 COMMON_SYSCALL_POST_FORK(res);
2825 PRE_SYSCALL(vfork)() {
2826 COMMON_SYSCALL_PRE_FORK();
2829 POST_SYSCALL(vfork)(long res) {
2830 COMMON_SYSCALL_POST_FORK(res);
2841 #endif // SANITIZER_LINUX