linux-ext4 - [Bug 202877] failure at fs/jbd2/commit.c:818/jbd2_journal_commit

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Date:   Thu, 14 Mar 2019 18:47:10 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 202877] failure at
 fs/jbd2/commit.c:818/jbd2_journal_commit_transaction()!

https://bugzilla.kernel.org/show_bug.cgi?id=202877

Jungyeon (jungyeon@...ech.edu) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|5.0.0-rc6                   |5.0.0

--- Comment #5 from Jungyeon (jungyeon@...ech.edu) ---
Sorry for my lack of explanation. 
LKL is Linux Kernel Library. min_02.c is a program that calls lists of system
calls in userspace and the craft image is a potentially faulty image to test
error cases.

We are going to release our source code so that you can build the ext4-combined
shortly. We needs some clean-up inside the codes before making it public.

I'm attaching stack dump at the last. I hope this could help you.
Additionally I used Linux version 5.0.0+ for this trace (and in the linked
ext4-combined binary)

[    0.050478] BUG: failure at
fs/jbd2/commit.c:818/jbd2_journal_commit_transaction()!
[    0.050491] Kernel panic - not syncing: BUG!
[    0.050497] Call Trace:
[    0.050506] (____ptrval____):  [<55555559bc94>] .LC81+0x5f/0xfb
[    0.050514] (____ptrval____):  [<5555555c6025>] major_names+0x75/0x80
[    0.050523] (____ptrval____):  [<555555604368>] kmem_cache_free+0x148/0x190
[    0.050533] (____ptrval____):  [<5555556aabff>] free_buffer_head+0x7f/0x190
[    0.050541] (____ptrval____):  [<5555555978f4>] .LC11+0x14/0x20
[    0.050551] (____ptrval____):  [<5555557f08db>]
jbd2_journal_commit_transaction+0x398b/0x3fc0
[    0.050559] (____ptrval____):  [<555555597353>] .LC18+0x3/0x10
[    0.050568] (____ptrval____):  [<5555555b8fb9>] try_to_wake_up+0x169/0x190
[    0.050577] (____ptrval____):  [<5555558031be>] kjournald2+0x34e/0x400
[    0.050586] (____ptrval____):  [<5555555bfd30>]
autoremove_wake_function+0x0/0x40
[    0.050593] (____ptrval____):  [<5555555978f4>] .LC11+0x14/0x20
[    0.050601] (____ptrval____):  [<5555555b3acb>] kthread+0x15b/0x170
[    0.050608] (____ptrval____):  [<555555802e70>] kjournald2+0x0/0x400
[    0.050615] (____ptrval____):  [<5555555b3970>] kthread+0x0/0x170
[    0.050623] (____ptrval____):  [<5555555970ab>] uidhash_table+0x3b/0x40
[    0.050630] 
[    0.050642] ---[ end Kernel panic - not syncing: BUG! ]---

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