Re: [syzbot] [mm?] [reiserfs?] kernel panic: stack is corrupted in ___slab_alloc

To: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Subject: Re: [syzbot] [mm?] [reiserfs?] kernel panic: stack is corrupted in ___slab_alloc
From: "Lameter, Christopher" <cl@xxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 6 Jul 2023 11:33:00 -0700 (PDT)
Cc: David Rientjes <rientjes@xxxxxxxxxx>, syzbot <syzbot+cf0693aee9ea61dda749@xxxxxxxxxxxxxxxxxxxxxxxxx>, 42.hyeyoo@xxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, iamjoonsoo.kim@xxxxxxx, keescook@xxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-hardening@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, penberg@xxxxxxxxxx, reiserfs-devel@xxxxxxxxxxxxxxx, roman.gushchin@xxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx, Vlastimil Babka <vbabka@xxxxxxx>, Jan Kara <jack@xxxxxxx>
In-reply-to: <CACT4Y+akPvTGG0WdPdSuUFU6ZuQkRbVZByiROzqwyPVd8Pz8fQ@mail.gmail.com>
References: <0000000000002373f005ff843b58@google.com> <1bb83e9d-6d7e-3c80-12f6-847bf2dc865e@google.com> <CACT4Y+akPvTGG0WdPdSuUFU6ZuQkRbVZByiROzqwyPVd8Pz8fQ@mail.gmail.com>

On Mon, 3 Jul 2023, Dmitry Vyukov wrote:

This is happening during while mounting reiserfs, so I'm inclined to think
it's more of a reisterfs issue than a slab allocator issue :/

Have you tried to run with the "slub_debug" kernel option to figure outwhat got corrupted?

Follow-Ups:
- Re: [syzbot] [mm?] [reiserfs?] kernel panic: stack is corrupted in ___slab_alloc
  - From: Dmitry Vyukov

References:
- Re: [syzbot] [mm?] [reiserfs?] kernel panic: stack is corrupted in ___slab_alloc
  - From: David Rientjes
- Re: [syzbot] [mm?] [reiserfs?] kernel panic: stack is corrupted in ___slab_alloc
  - From: Dmitry Vyukov