Re: [PATCH 4/8] linux-user: Convert signal number for FUTEX_FD

[Laurent Vivier]

Le 29/08/2022 à 04:10, Richard Henderson a écrit :

The val argument to FUTEX_FD is a signal number.  Convert to match
the host, as it will be converted back when the signal is delivered.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  linux-user/syscall.c | 1 +
  1 file changed, 1 insertion(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8bf4b79a9e..f50cc70f1a 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7778,6 +7778,7 @@ static int do_futex(CPUState *cpu, bool time64, 
target_ulong uaddr,
          timeout = 0;
          break;
      case FUTEX_FD:
+        val = target_to_host_signal(val);
          timeout = 0;
          break;
      case FUTEX_CMP_REQUEUE:

Reviewed-by: Laurent Vivier <laur...@vivier.eu>