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[PATCH 2/4] linux-user: Map signal number in PR_GET_PDEATHSIG
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From: |
Richard Henderson |
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Subject: |
[PATCH 2/4] linux-user: Map signal number in PR_GET_PDEATHSIG |
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Date: |
Thu, 6 Jan 2022 14:57:36 -0800 |
Convert the host signal number to guest signal number
before returning the value to the guest.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/syscall.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index e8f9e0643e..9eb2fb2bb2 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -6444,7 +6444,8 @@ static abi_long do_prctl(CPUArchState *env, abi_long
option, abi_long arg2,
int deathsig;
ret = get_errno(prctl(PR_GET_PDEATHSIG, &deathsig,
arg3, arg4, arg5));
- if (!is_error(ret) && put_user_s32(deathsig, arg2)) {
+ if (!is_error(ret) &&
+ put_user_s32(host_to_target_signal(deathsig), arg2)) {
return -TARGET_EFAULT;
}
return ret;
--
2.25.1