linux-kernel - Re: [syzbot] [bcachefs?] [kernfs?] UBSAN: shift-out-of-bounds in radix_tree_delete

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: <67da90f3.050a0220.2ca2c6.0194.GAE@google.com>
Date: Wed, 19 Mar 2025 02:40:03 -0700
From: syzbot <syzbot+b581c7106aa616bb522c@...kaller.appspotmail.com>
To: davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com, 
	gregkh@...uxfoundation.org, horms@...nel.org, kent.overstreet@...ux.dev, 
	kuba@...nel.org, linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org, 
	mmpgouride@...il.com, netdev@...r.kernel.org, pabeni@...hat.com, 
	syzkaller-bugs@...glegroups.com, tj@...nel.org
Subject: Re: [syzbot] [bcachefs?] [kernfs?] UBSAN: shift-out-of-bounds in radix_tree_delete_item

syzbot suspects this issue was fixed by commit:

commit 3a04334d6282d08fbdd6201e374db17d31927ba3
Author: Alan Huang <mmpgouride@...il.com>
Date:   Fri Mar 7 16:58:27 2025 +0000

    bcachefs: Fix b->written overflow

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=176e8e98580000
start commit:   09fbf3d50205 Merge tag 'tomoyo-pr-20250211' of git://git.c..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=c516b1c112a81e77
dashboard link: https://syzkaller.appspot.com/bug?extid=b581c7106aa616bb522c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11e449b0580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: bcachefs: Fix b->written overflow

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