diff mbox series

[PULL,28/30] linux-user: Map signal number in PR_GET_PDEATHSIG

Message ID 20220111195247.1737641-29-laurent@vivier.eu
State New
Headers show
Series [PULL,01/30] linux-user/alpha: Set TRAP_UNK for bugchk and unknown gentrap | expand

Commit Message

Laurent Vivier Jan. 11, 2022, 7:52 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

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>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220106225738.103012-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/syscall.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index eff107b8bcfd..b17cfe31c8b4 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;