Commit ad0acab4 authored Sep 20, 2010 by Al Viro Committed by Linus Torvalds Sep 20, 2010

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>

parent 5f4ad04a

arch/frv/kernel/signal.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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() */