All of lore.kernel.org
 help / color / mirror / Atom feed
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] [erofs?] KASAN: global-out-of-bounds Read in z_erofs_decompress_queue 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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=68a8c8fc.a00a0220.3557d1.0014.GAE@google.com \
    --to=syzbot+5a398eb460ddaa6f242f@syzkaller.appspotmail.com \
    --cc=chao@kernel.org \
    --cc=dhavale@google.com \
    --cc=hsiangkao@linux.alibaba.com \
    --cc=jefflexu@linux.alibaba.com \
    --cc=lihongbo22@huawei.com \
    --cc=linux-erofs@lists.ozlabs.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=syzkaller-bugs@googlegroups.com \
    --cc=xiang@kernel.org \
    --cc=zbestahu@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.