From b32b8b451b398ebae33d4cf8039c03f4d615c0c3 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 21 May 2010 23:51:18 -0700 Subject: [PATCH] Don't crash on unresolved weak symbol reference when auditing. --- ChangeLog | 5 +++++ elf/dl-runtime.c | 5 +++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 951f367bb4..5571fcf2e7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2010-05-21 Ulrich Drepper + + * elf/dl-runtime.c (_dl_profile_fixup): Don't crash on unresolved weak + symbol reference. + 2010-05-19 Andreas Schwab * elf/dl-runtime.c (_dl_fixup): Don't crash on unresolved weak diff --git a/elf/dl-runtime.c b/elf/dl-runtime.c index 181af7dfac..6847edafc6 100644 --- a/elf/dl-runtime.c +++ b/elf/dl-runtime.c @@ -232,8 +232,9 @@ _dl_profile_fixup ( ? LOOKUP_VALUE_ADDRESS (result) + defsym->st_value : 0); - if (__builtin_expect (ELFW(ST_TYPE) (defsym->st_info) - == STT_GNU_IFUNC, 0)) + if (defsym != NULL + && __builtin_expect (ELFW(ST_TYPE) (defsym->st_info) + == STT_GNU_IFUNC, 0)) value = ((DL_FIXUP_VALUE_TYPE (*) (void)) DL_FIXUP_VALUE_ADDR (value)) (); } -- 2.11.4.GIT