aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2021-08-13 14:18:06 +0100
committerLaurent Vivier <laurent@vivier.eu>2021-09-23 14:42:55 +0200
commit819121b9b08a41ccfcde2e18eb782f8f6b2912f1 (patch)
tree6d86ab6f7041fc547ab88d2fc2b98a93701e03a1
parentbabe6d5c88b587d30f72f31a81ce87610b68e952 (diff)
downloadqemu-819121b9b08a41ccfcde2e18eb782f8f6b2912f1.zip
qemu-819121b9b08a41ccfcde2e18eb782f8f6b2912f1.tar.gz
qemu-819121b9b08a41ccfcde2e18eb782f8f6b2912f1.tar.bz2
linux-user: Zero out target_siginfo_t in force_sig()
The target_siginfo_t we populate in force_sig() will eventually get copied onto the target's stack. Zero it out so that any extra padding in the sifields union is consistently zero when the guest sees it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210813131809.28655-5-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
-rw-r--r--linux-user/signal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index f8346f5..910b9dc 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -641,7 +641,7 @@ void force_sig(int sig)
{
CPUState *cpu = thread_cpu;
CPUArchState *env = cpu->env_ptr;
- target_siginfo_t info;
+ target_siginfo_t info = {};
info.si_signo = sig;
info.si_errno = 0;