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authorPeter Maydell <peter.maydell@linaro.org>2016-06-20 15:50:36 +0100
committerRiku Voipio <riku.voipio@linaro.org>2016-06-26 13:17:21 +0300
commit4debae6fa57443adf3b390397a069855ee4c4e4d (patch)
treea90609cd9f209d64912d9cb32eb744dcc97d8f8c /linux-user/syscall.c
parentba4537805da7023ae48cef0cdc06e6724156c596 (diff)
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linux-user: Fix wrong type used for argument to rt_sigqueueinfo
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.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 5166ff9..8163ae8 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));