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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>
This commit is contained in:
Peter Maydell 2021-08-13 14:18:06 +01:00 committed by Laurent Vivier
parent babe6d5c88
commit 819121b9b0
1 changed files with 1 additions and 1 deletions
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2
linux-user/signal.c
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@ -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;