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: -- 2.34.1