From: Andreas Schwab <sch...@linux-m68k.org>
When translating between host and target signal numbers keep negative
numbers unchanged, avoiding access beyond array bounds.
Signed-off-by: Andreas Schwab <sch...@linux-m68k.org>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Message-id: 878v2b8sek....@igel.home
---
linux-user/signal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/linux-user/signal.c b/linux-user/signal.c
index c4e20dc..d84e189 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -102,14 +102,14 @@ static inline int sas_ss_flags(unsigned long sp)
int host_to_target_signal(int sig)
{
- if (sig >= _NSIG)
+ if (sig < 0 || sig >= _NSIG)
return sig;
return host_to_target_signal_table[sig];
}
int target_to_host_signal(int sig)
{
- if (sig >= _NSIG)
+ if (sig < 0 || sig >= _NSIG)
return sig;
return target_to_host_signal_table[sig];
}
--
1.8.1.2
