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authorChen Gang <gang.chen@asianux.com>2013-07-03 15:04:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 16:07:41 -0700
commit760033c45e8aa13c9e02530da7274edc624c7689 (patch)
tree1bc2fd61d9af6a4133dde164705d758ffd342a90 /arch/frv
parent519ebea3bf6df45439e79c54bda1d9e29fe13a64 (diff)
downloadlinux-760033c45e8aa13c9e02530da7274edc624c7689.tar.gz
arch/frv/kernel/traps.c: using vsnprintf() instead of vsprintf()
Since die_if_kernel() is an extern common used function, better always check the buffer length to avoid memory overflow by a long 'str'. Signed-off-by: Chen Gang <gang.chen@asianux.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv')
-rw-r--r--arch/frv/kernel/traps.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c
index 4bff48c19d2..a6d105d61b2 100644
--- a/arch/frv/kernel/traps.c
+++ b/arch/frv/kernel/traps.c
@@ -523,7 +523,7 @@ void die_if_kernel(const char *str, ...)
return;
va_start(va, str);
- vsprintf(buffer, str, va);
+ vsnprintf(buffer, sizeof(buffer), str, va);
va_end(va);
console_verbose();