Le 19/01/2017 à 15:23, Pranith Kumar a écrit :
> From: Marc-André Lureau <marcandre.lur...@redhat.com>
> 
> old_value is the 4th argument of timer_settime(), not the 2nd.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
> ---
>  linux-user/syscall.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 7b77503f94..a393764a17 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -12024,10 +12024,14 @@ abi_long do_syscall(void *cpu_env, int num, 
> abi_long arg1,
>              timer_t htimer = g_posix_timers[timerid];
>              struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
>  
> -            target_to_host_itimerspec(&hspec_new, arg3);
> +            if (arg3 && target_to_host_itimerspec(&hspec_new, arg3)) {

arg3 cannot be NULL, see 8 lines above, you need to only check the
result of target_to_host_itimerspec().

Thanks,
Laurent

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