linux-kernel - Re: [syzbot] [trace?] KASAN: use-after-free Read in ring_buffer

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <676033cb.050a0220.37aaf.0131.GAE@google.com>
Date: Mon, 16 Dec 2024 06:06:03 -0800
From: syzbot <syzbot+345e4443a21200874b18@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [trace?] KASAN: use-after-free Read in ring_buffer_map

Hello,

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

Reported-by: syzbot+345e4443a21200874b18@...kaller.appspotmail.com
Tested-by: syzbot+345e4443a21200874b18@...kaller.appspotmail.com

Tested on:

commit:         f5f643b6 ring-buffer: Fix oob in __rb_map_vma
git tree:       https://github.com/ea1davis/linux kt/syz
console output: https://syzkaller.appspot.com/x/log.txt?x=147bfcdf980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e8d97faf7b870c89
dashboard link: https://syzkaller.appspot.com/bug?extid=345e4443a21200874b18
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

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