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Diffstat (limited to 'kernel/signal.c')
-rw-r--r--kernel/signal.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index fd182a845490..241d54958bbb 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -549,6 +549,7 @@ still_pending:
* a fast-pathed signal or we must have been
* out of queue space. So zero out the info.
*/
+ clear_siginfo(info);
info->si_signo = sig;
info->si_errno = 0;
info->si_code = SI_USER;
@@ -1043,6 +1044,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
list_add_tail(&q->list, &pending->list);
switch ((unsigned long) info) {
case (unsigned long) SEND_SIG_NOINFO:
+ clear_siginfo(&q->info);
q->info.si_signo = sig;
q->info.si_errno = 0;
q->info.si_code = SI_USER;
@@ -1051,6 +1053,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
q->info.si_uid = from_kuid_munged(current_user_ns(), current_uid());
break;
case (unsigned long) SEND_SIG_PRIV:
+ clear_siginfo(&q->info);
q->info.si_signo = sig;
q->info.si_errno = 0;
q->info.si_code = SI_KERNEL;
@@ -1623,6 +1626,7 @@ bool do_notify_parent(struct task_struct *tsk, int sig)
sig = SIGCHLD;
}
+ clear_siginfo(&info);
info.si_signo = sig;
info.si_errno = 0;
/*
@@ -1717,6 +1721,7 @@ static void do_notify_parent_cldstop(struct task_struct *tsk,
parent = tsk->real_parent;
}
+ clear_siginfo(&info);
info.si_signo = SIGCHLD;
info.si_errno = 0;
/*
@@ -1929,7 +1934,7 @@ static void ptrace_do_notify(int signr, int exit_code, int why)
{
siginfo_t info;
- memset(&info, 0, sizeof info);
+ clear_siginfo(&info);
info.si_signo = signr;
info.si_code = exit_code;
info.si_pid = task_pid_vnr(current);
@@ -2136,6 +2141,7 @@ static int ptrace_signal(int signr, siginfo_t *info)
* have updated *info via PTRACE_SETSIGINFO.
*/
if (signr != info->si_signo) {
+ clear_siginfo(info);
info->si_signo = signr;
info->si_errno = 0;
info->si_code = SI_USER;
@@ -2941,6 +2947,7 @@ SYSCALL_DEFINE2(kill, pid_t, pid, int, sig)
{
struct siginfo info;
+ clear_siginfo(&info);
info.si_signo = sig;
info.si_errno = 0;
info.si_code = SI_USER;