From: Peter Maydell <peter.mayd...@linaro.org>
The third argument to the rt_sigqueueinfo syscall is a pointer to
a siginfo_t, not a pointer to a sigset_t. Fix the error in the
arguments to lock_user(), which meant that we would not have
detected some faults that we should.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Laurent Vivier <laur...@vivier.eu>
Signed-off-by: Riku Voipio <riku.voi...@linaro.org>
---
linux-user/syscall.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 95eafeb..686ebfb 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7876,8 +7876,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
arg1,
case TARGET_NR_rt_sigqueueinfo:
{
siginfo_t uinfo;
- if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t),
1)))
+
+ p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
+ if (!p) {
goto efault;
+ }
target_to_host_siginfo(&uinfo, p);
unlock_user(p, arg1, 0);
ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
--
2.1.4
