From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+a8cdfe2d8ad35db3a7fd@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [kernfs?] INFO: task hung in do_coredump (3)
Date: Fri, 1 Nov 2024 19:16:14 +0800 [thread overview]
Message-ID: <20241101111614.2670-1-hdanton@sina.com> (raw)
In-Reply-To: <67200ed8.050a0220.11b624.04b5.GAE@google.com>
On Mon, 28 Oct 2024 15:23:20 -0700
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 819837584309 Linux 6.12-rc5
> git tree: upstream
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=171b4687980000
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/ mm-hotfixes-unstable
--- x/fs/coredump.c
+++ y/fs/coredump.c
@@ -416,7 +416,7 @@ static int coredump_wait(int exit_code,
struct core_thread *ptr;
wait_for_completion_state(&core_state->startup,
- TASK_UNINTERRUPTIBLE|TASK_FREEZABLE);
+ TASK_IDLE|TASK_FREEZABLE);
/*
* Wait for all the threads to become inactive, so that
* all the thread context (extended register state, like
--
next prev parent reply other threads:[~2024-11-01 11:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-17 9:02 [syzbot] [kernfs?] INFO: task hung in do_coredump (3) syzbot
2024-10-20 9:30 ` syzbot
2024-10-28 22:23 ` syzbot
2024-10-29 11:07 ` Hillf Danton
2024-10-29 11:29 ` syzbot
2024-10-30 10:58 ` Hillf Danton
2024-10-30 11:21 ` syzbot
2024-11-01 11:16 ` Hillf Danton [this message]
2024-11-01 11:41 ` syzbot
2025-07-07 16:27 ` [syzbot] [fs?] " syzbot
2025-07-08 8:24 ` Pavel Begunkov
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