From 80e8ff634169be3fc2ac48f258cc7638e898cd46 Mon Sep 17 00:00:00 2001 From: Vivek Goyal Date: Mon, 10 Apr 2006 22:54:10 -0700 Subject: [PATCH] [PATCH] kdump proc vmcore size oveflow fix A couple of /proc/vmcore data structures overflow with 32bit systems having memory more than 4G. This patch fixes those. Signed-off-by: Ken'ichi Ohmichi Signed-off-by: Vivek Goyal Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/vmcore.c | 4 ++-- include/linux/proc_fs.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index 7efa73d44c..20d4b2237f 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -103,8 +103,8 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) { ssize_t acc = 0, tmp; - size_t tsz, nr_bytes; - u64 start; + size_t tsz; + u64 start, nr_bytes; struct vmcore *curr_m = NULL; if (buflen == 0 || *fpos >= vmcore_size) diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 135871df99..4b47a02534 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -79,7 +79,7 @@ struct kcore_list { struct vmcore { struct list_head list; unsigned long long paddr; - unsigned long size; + unsigned long long size; loff_t offset; }; -- 2.11.4.GIT