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Message-Id: <20241015153958.df4e735274e389999de60d2e@linux-foundation.org>
Date: Tue, 15 Oct 2024 15:39:58 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: syzbot <syzbot+30eac43568e2b3d65728@...kaller.appspotmail.com>
Cc: linmiaohe@...wei.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
syzkaller-bugs@...glegroups.com, vitaly.wool@...sulko.com
Subject: Re: [syzbot] [mm?] BUG: corrupted list in add_to_unbuddied
On Tue, 15 Oct 2024 07:52:25 -0700 syzbot <syzbot+30eac43568e2b3d65728@...kaller.appspotmail.com> wrote:
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: eca631b8fe80 Merge tag 'f2fs-6.12-rc4' of git://git.kernel..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=14d0845f980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=cfbd94c114a3d407
> dashboard link: https://syzkaller.appspot.com/bug?extid=30eac43568e2b3d65728
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16df4c40580000
Something seems rather wrong with the "syz repro" page.
# https://syzkaller.appspot.com/bug?id=6b5f76b3a3783e6b1876d25b2d7a981ac0e0131f
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"threaded":true,"repeat":true,"procs":6,"slowdown":1,"sandbox":"none","sandbox_arg":0,"tun":true,"netdev":true,"resetnet":true,"cgroups":true,"binfmt_misc":true,"close_fds":true,"usb":true,"vhci":true,"wifi":true,"ieee802154":true,"sysctl":true,"swap":true,"tmpdir":true,"segv":true}
syz_mount_image$ntfs3(&(0x7f0000000000), &(0x7f0000000140)='./bus\x00', 0x19c6038, &(0x7f0000000180)=ANY=[], 0x1, 0x1f231, &(0x7f000003e780)="$eJzs3QmYTeUfB/D37Pu+XLvBWEO2RLLvsm+pZAvZyRalGhJRSSWpFElCQqhUEklEsi8JSZKQVEIS/2fu3JlmufOvadf7/TyPOfeee877nnu+94z5ne0ebz25edsGbRISEhKIzZAU50gGSSSJXIq9xsfGXYoNmdi/EZ3nV9ttftQreZxZcOVtoxYUXjVUa7/MfEsim+xOx09VOLwp3JT7+MW2vXoPSeg9JGHAwKEJXRO6DRw4tGu3fj0Suvce0rdsQst+PboO6ZHQe8CQHoMzvNyz38BBg0YmdB3Q3VAHDe4xZEhC1wEjE/r2GJkwdGDC0MEjE7re2rX3gISyZcsmGCqB36jd/H96CQAAAAAAAAAAAAAAAAAA4M9x6VLaoX0AAAAAAAAAAAAAAAAAAAC4TDVo3LR+OaKkPWcIQxoRhsxlCCH2L9OlXvfPZdNO8qRdoo9yRX82Sn10um/5fuf
<and a huge amount more>
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