linux-ext4 - Re: [PATCH -next] ext4: fix bug_on in start_this

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Date:   Sun,  3 Apr 2022 10:08:15 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Ye Bin <yebin10@...wei.com>, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org
Cc:     "Theodore Ts'o" <tytso@....edu>, linux-kernel@...r.kernel.org,
        jack@...e.cz, lczerner@...hat.com
Subject: Re: [PATCH -next] ext4: fix bug_on in start_this_handle during umount filesystem

On Tue, 22 Mar 2022 09:24:19 +0800, Ye Bin wrote:
> We got issue as follows:
> ------------[ cut here ]------------
> kernel BUG at fs/jbd2/transaction.c:389!
> invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
> CPU: 9 PID: 131 Comm: kworker/9:1 Not tainted 5.17.0-862.14.0.6.x86_64-00001-g23f87daf7d74-dirty #197
> Workqueue: events flush_stashed_error_work
> RIP: 0010:start_this_handle+0x41c/0x1160
> RSP: 0018:ffff888106b47c20 EFLAGS: 00010202
> RAX: ffffed10251b8400 RBX: ffff888128dc204c RCX: ffffffffb52972ac
> RDX: 0000000000000200 RSI: 0000000000000004 RDI: ffff888128dc2050
> RBP: 0000000000000039 R08: 0000000000000001 R09: ffffed10251b840a
> R10: ffff888128dc204f R11: ffffed10251b8409 R12: ffff888116d78000
> R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888128dc2000
> FS:  0000000000000000(0000) GS:ffff88839d680000(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 0000000001620068 CR3: 0000000376c0e000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Call Trace:
>  <TASK>
>  jbd2__journal_start+0x38a/0x790
>  jbd2_journal_start+0x19/0x20
>  flush_stashed_error_work+0x110/0x2b3
>  process_one_work+0x688/0x1080
>  worker_thread+0x8b/0xc50
>  kthread+0x26f/0x310
>  ret_from_fork+0x22/0x30
>  </TASK>
> Modules linked in:
> ---[ end trace 0000000000000000 ]---
> 
> [...]

Applied, thanks!

[1/1] ext4: fix bug_on in start_this_handle during umount filesystem
      commit: 20164749617e56d584313ad775d6dd3b7da40dc1

Best regards,
-- 
Theodore Ts'o <tytso@....edu>