Commit b2fba2f3 authored by Linus Torvalds's avatar Linus Torvalds

Follow 2.4.x semantics for in-kernel signal sending.

parent 22e53c65
......@@ -1196,6 +1196,13 @@ send_sig_info(int sig, struct siginfo *info, struct task_struct *p)
int ret;
unsigned long flags;
/*
* Make sure legacy kernel users don't send in bad values
* (normal paths check this in check_kill_permission).
*/
if (sig < 0 || sig > _NSIG)
return -EINVAL;
/*
* We need the tasklist lock even for the specific
* thread case (when we don't need to follow the group
......
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