linux-kernel - Re: [syzbot] [netfs?] KASAN: slab-use-after-free Read in iov_iter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6776f489.050a0220.3a8527.004f.GAE@google.com>
Date: Thu, 02 Jan 2025 12:18:17 -0800
From: syzbot <syzbot+2625ce08c2659fb9961a@...kaller.appspotmail.com>
To: miklos@...redi.hu
Cc: dhowells@...hat.com, jlayton@...nel.org, joannelkoong@...il.com, 
	josef@...icpanda.com, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, miklos@...redi.hu, mszeredi@...hat.com, 
	netfs@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [netfs?] KASAN: slab-use-after-free Read in iov_iter_revert

> On Sat, 30 Nov 2024 at 01:21, syzbot
> <syzbot+2625ce08c2659fb9961a@...kaller.appspotmail.com> wrote:
>>
>> syzbot has bisected this issue to:
>>
>> commit 3b97c3652d9128ab7f8c9b8adec6108611fdb153
>> Author: Joanne Koong <joannelkoong@...il.com>
>> Date:   Thu Oct 24 17:18:08 2024 +0000
>>
>>     fuse: convert direct io to use folios
>>
>> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1033bf5f980000
>> start commit:   b86545e02e8c Merge tag 'acpi-6.13-rc1-2' of git://git.kern..
>> git tree:       upstream
>> final oops:     https://syzkaller.appspot.com/x/report.txt?x=1233bf5f980000
>> console output: https://syzkaller.appspot.com/x/log.txt?x=1433bf5f980000
>> kernel config:  https://syzkaller.appspot.com/x/.config?x=5f0b9d4913852126
>> dashboard link: https://syzkaller.appspot.com/bug?extid=2625ce08c2659fb9961a
>> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14534f78580000
>> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10c3d3c0580000
>>
>> Reported-by: syzbot+2625ce08c2659fb9961a@...kaller.appspotmail.com
>> Fixes: 3b97c3652d91 ("fuse: convert direct io to use folios")
>>
>> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> #syz test git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git

want either no args or 2 args (repo, branch), got 1

> 7a4f541873734f41f9645ec147cfae72ef3ffd00