linux-kernel - Re: [syzbot] [kernel?] linux-next test error: KASAN: slab-use-after-free Write in binderfs_evict

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] [day] [month] [year] [list]

Message-ID: <aCjEY1X85xUne3Ix@google.com>
Date: Sat, 17 May 2025 17:16:19 +0000
From: Carlos Llamas <cmllamas@...gle.com>
To: syzbot <syzbot+c3763f82ee2ceaf93340@...kaller.appspotmail.com>
Cc: arve@...roid.com, brauner@...nel.org, gregkh@...uxfoundation.org,
	joelagnelf@...dia.com, linux-kernel@...r.kernel.org,
	linux-next@...r.kernel.org, maco@...roid.com, sfr@...b.auug.org.au,
	surenb@...gle.com, syzkaller-bugs@...glegroups.com,
	tkjos@...roid.com
Subject: Re: [syzbot] [kernel?] linux-next test error: KASAN:
 slab-use-after-free Write in binderfs_evict_inode

On Fri, May 16, 2025 at 02:54:28PM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    8566fc3b9653 Add linux-next specific files for 20250516
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=10b776f4580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=aa3444b6d01e5afb
> dashboard link: https://syzkaller.appspot.com/bug?extid=c3763f82ee2ceaf93340
> compiler:       Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/ac394ca3c315/disk-8566fc3b.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/170dd88bde87/vmlinux-8566fc3b.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/c097fa83c7d7/bzImage-8566fc3b.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+c3763f82ee2ceaf93340@...kaller.appspotmail.com
> 

#syz dup: upstream test error: KASAN: slab-use-after-free Write in binderfs_evict_inode

This is a dup for which Dmitry had sent out a fix for. However, Greg was
never cc'ed so the patch was left in limbo. v2 sent here:
https://lore.kernel.org/all/20250517170957.1317876-1-cmllamas@google.com/