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[v3,2/3] linux-user: Exit not abort in die_with_backtrace

Message ID 20230822203415.1184491-3-richard.henderson@linaro.org
State Superseded
Headers show
Series linux-user: Detect and report host crashes | expand

Commit Message

Richard Henderson Aug. 22, 2023, 8:34 p.m. UTC 
This line is supposed to be unreachable, but if we're going to
have it at all, SIGABRT via abort() is subject to the same signal
peril that created this function in the first place.

We can _exit immediately without peril.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/signal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Philippe Mathieu-Daudé Aug. 22, 2023, 10:08 p.m. UTC | #1 
On 22/8/23 22:34, Richard Henderson wrote:
> This line is supposed to be unreachable, but if we're going to
> have it at all, SIGABRT via abort() is subject to the same signal
> peril that created this function in the first place.

:)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

> We can _exit immediately without peril.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   linux-user/signal.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/linux-user/signal.c b/linux-user/signal.c
index e1cd111a1b..57fbf2f58b 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -718,7 +718,7 @@  void die_with_signal(int sig)
     sigsuspend(&act.sa_mask);
 
     /* unreachable */
-    abort();
+    _exit(EXIT_FAILURE);
 }
 
 static G_NORETURN