Hi,
oom_kill_task's comment states that we should be careful about not sending
SIGKILL to processes with SYS_CAP_RAWIO, then the code happily sends it
anyway.
Here's a patch that fixes that.
Signed-Off-By: Colin Leroy <[email protected]>
--- a/mm/oom_kill.c 2005-09-09 17:29:08.000000000 +0200
+++ b/mm/oom_kill.c 2005-09-09 17:29:10.000000000 +0200
@@ -199,7 +199,12 @@ static void __oom_kill_task(task_t *p)
p->time_slice = HZ;
set_tsk_thread_flag(p, TIF_MEMDIE);
- force_sig(SIGKILL, p);
+ /* This process has hardware access, be more careful. */
+ if (cap_t(p->cap_effective) & CAP_TO_MASK(CAP_SYS_RAWIO)) {
+ force_sig(SIGTERM, p);
+ } else {
+ force_sig(SIGKILL, p);
+ }
}
static struct mm_struct *oom_kill_task(task_t *p)
-
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