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| author | Al Viro <viro@ftp.linux.org.uk> | 2010-09-20 16:13:14 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-20 19:44:37 +0200 |
| commit | ad0acab4557a91a60251b3ffe3478fad572d6f61 (patch) | |
| tree | 15800a89d6a04a0f0d72df2056f779a8755a5f97 /arch/frv | |
| parent | frv: fix address verification holes in setup_frame/setup_rt_frame (diff) | |
| download | linux-ad0acab4557a91a60251b3ffe3478fad572d6f61.tar.xz linux-ad0acab4557a91a60251b3ffe3478fad572d6f61.zip | |
frv: avoid infinite loop of SIGSEGV delivery
Use force_sigsegv() rather than force_sig(SIGSEGV, ...) as the former
resets the SEGV handler pointer which will kill the process, rather than
leaving it open to an infinite loop if the SEGV handler itself caused a
SEGV signal.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv')
| -rw-r--r-- | arch/frv/kernel/signal.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 5fb2d0661c78..48203c68e39f 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -329,7 +329,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) return 0; give_sigsegv: - force_sig(SIGSEGV, current); + force_sigsegv(sig, current); return -EFAULT; } /* end setup_frame() */ @@ -431,7 +431,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, return 0; give_sigsegv: - force_sig(SIGSEGV, current); + force_sigsegv(sig, current); return -EFAULT; } /* end setup_rt_frame() */ |