linux-kernel - Re: [syzbot] [bcachefs?] KASAN: slab-out-of-bounds Read in bch2_btree_node_read

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Message-ID: <690d423b.a70a0220.22f260.0012.GAE@google.com>
Date: Thu, 06 Nov 2025 16:50:03 -0800
From: syzbot <syzbot+ba71155d3eacc8f42477@...kaller.appspotmail.com>
To: eadavis@...com, kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, lkp@...el.com, oe-kbuild-all@...ts.linux.dev, 
	syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org
Subject: Re: [syzbot] [bcachefs?] KASAN: slab-out-of-bounds Read in bch2_btree_node_read_done

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=17012a58580000
start commit:   083fc6d7fa0d Merge tag 'sched-urgent-2025-09-26' of git://..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f5b21423ca3f0a96
dashboard link: https://syzkaller.appspot.com/bug?extid=ba71155d3eacc8f42477
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16433d34580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13e79f12580000

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