linux-kernel - Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in bch2_prt

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Message-ID: <68ff6372.050a0220.3344a1.038f.GAE@google.com>
Date: Mon, 27 Oct 2025 05:20:02 -0700
From: syzbot <syzbot+7f176adb30b21606c5fc@...kaller.appspotmail.com>
To: david.hunter.linux@...il.com, kent.overstreet@...ux.dev, 
	linux-bcachefs@...r.kernel.org, 
	linux-kernel-mentees@...ts.linuxfoundation.org, linux-kernel@...r.kernel.org, 
	nirbhay.lkd@...il.com, skhan@...uxfoundation.org, 
	syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org
Subject: Re: [syzbot] [bcachefs?] KASAN: use-after-free Read in bch2_prt_printf

syzbot suspects this issue was fixed by commit:

commit f2c61db29f277b9c80de92102fc532cc247495cd
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Mon Sep 29 20:43:52 2025 +0000

    Remove bcachefs core code

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1190ef34580000
start commit:   d69eb204c255 Merge tag 'net-6.17-rc5' of git://git.kernel...
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=bd9738e00c1bbfb4
dashboard link: https://syzkaller.appspot.com/bug?extid=7f176adb30b21606c5fc
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17f99312580000

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

#syz fix: Remove bcachefs core code

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