linux-kernel - Re: [syzbot] [f2fs?] KASAN: use-after-free Read in f2fs_write_end

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Message-ID: <695e22ea.050a0220.1c677c.035b.GAE@google.com>
Date: Wed, 07 Jan 2026 01:10:02 -0800
From: syzbot <syzbot+b4444e3c972a7a124187@...kaller.appspotmail.com>
To: chao@...nel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [f2fs?] KASAN: use-after-free Read in f2fs_write_end_io (2)

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+b4444e3c972a7a124187@...kaller.appspotmail.com
Tested-by: syzbot+b4444e3c972a7a124187@...kaller.appspotmail.com

Tested on:

commit:         5f1756b5 f2fs: fix to avoid UAF in f2fs_write_end_io()
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git bugfix/syzbot
console output: https://syzkaller.appspot.com/x/log.txt?x=16f42922580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=513255d80ab78f2b
dashboard link: https://syzkaller.appspot.com/bug?extid=b4444e3c972a7a124187
compiler:       Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.