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