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From: syzbot <syzbot+5a398eb460ddaa6f242f@syzkaller.appspotmail.com>
To: chao@kernel.org, dhavale@google.com, hsiangkao@linux.alibaba.com,
	 jefflexu@linux.alibaba.com, lihongbo22@huawei.com,
	 linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	 syzkaller-bugs@googlegroups.com, xiang@kernel.org,
	zbestahu@gmail.com
Subject: Re: [syzbot] [erofs?] KASAN: global-out-of-bounds Read in z_erofs_decompress_queue
Date: Fri, 22 Aug 2025 12:46:04 -0700	[thread overview]
Message-ID: <68a8c8fc.a00a0220.3557d1.0014.GAE@google.com> (raw)
In-Reply-To: <68a8bd20.050a0220.37038e.005a.GAE@google.com>

syzbot has bisected this issue to:

commit df0ce6cefa453d2236381645e529a27ef2f0a573
Author: Chao Yu <chao@kernel.org>
Date:   Mon Jul 21 02:13:52 2025 +0000

    erofs: support to readahead dirent blocks in erofs_readdir()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12e047bc580000
start commit:   3957a5720157 Merge tag 'cgroup-for-6.17-rc2-fixes' of git:..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11e047bc580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16e047bc580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e
dashboard link: https://syzkaller.appspot.com/bug?extid=5a398eb460ddaa6f242f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=151b07bc580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=131b07bc580000

Reported-by: syzbot+5a398eb460ddaa6f242f@syzkaller.appspotmail.com
Fixes: df0ce6cefa45 ("erofs: support to readahead dirent blocks in erofs_readdir()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  reply	other threads:[~2025-08-22 19:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-22 18:55 syzbot
2025-08-22 19:46 ` syzbot [this message]
2025-08-23  0:53 ` Edward Adam Davis
2025-08-23  1:09   ` syzbot
2025-08-23  1:22 ` Edward Adam Davis
2025-08-23  1:53   ` syzbot
2025-08-23  1:53 ` [PATCH] erofs: Prohibit access to excessive algorithmformat Edward Adam Davis
2025-08-23  9:40   ` Gao Xiang
2025-08-23  9:37 ` [syzbot] [erofs?] KASAN: global-out-of-bounds Read in z_erofs_decompress_queue Gao Xiang
2025-08-23 10:07   ` syzbot
2025-08-25  8:30 ` Gao Xiang
2025-08-25 10:57   ` syzbot

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