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 <[email protected]>
Signed-off-by: David Howells <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 5fb2d0661c78012e7f6df8e44c4fce4f50d9eed6..48203c68e39fe6eaf37e9dc17223a63aa2a11f11 100644 (file)
--- 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() */