+ ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix.patch added to -mm tree

+ ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix
has been added to the -mm tree.  Its filename is
     ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix.patch

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------------------------------------------------------
From: Oleg Nesterov <oleg@redhat.com>
Subject: ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix

s/PIDTYPE_PID/PIDTYPE_TGID/, per Eric

Link: http://lkml.kernel.org/r/20200327195643.GA9366@redhat.com
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 ipc/mqueue.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/ipc/mqueue.c~ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix
+++ a/ipc/mqueue.c
@@ -801,7 +801,7 @@ static void __do_notify(struct mqueue_in
 			 * bypass check_kill_permission(). It is from kernel
 			 * but si_fromuser() can't know this.
 			 */
-			task = pid_task(info->notify_owner, PIDTYPE_PID);
+			task = pid_task(info->notify_owner, PIDTYPE_TGID);
 			if (task)
 				do_send_sig_info(info->notify.sigev_signo,
 						&sig_i, task, PIDTYPE_TGID);
_

Patches currently in -mm which might be from oleg@redhat.com are

ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission.patch
ipc-mqueuec-change-__do_notify-to-bypass-check_kill_permission-fix.patch
aio-simplify-read_events.patch