linux-kernel - Re: [syzbot] [jfs?] KASAN: use-after-free Read in release

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Message-ID: <0000000000004e70d5061ecc718a@google.com>
Date: Sat, 03 Aug 2024 12:28:03 -0700
From: syzbot <syzbot+f1521383cec5f7baaa94@...kaller.appspotmail.com>
To: axboe@...nel.dk, brauner@...nel.org, damien.lemoal@...nsource.wdc.com, 
	jack@...e.cz, jfs-discussion@...ts.sourceforge.net, jlayton@...nel.org, 
	kch@...dia.com, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	shaggy@...nel.org, syzkaller-bugs@...glegroups.com, willy@...radead.org
Subject: Re: [syzbot] [jfs?] KASAN: use-after-free Read in release_metapage

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@...e.cz>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15d6414b980000
start commit:   4d6d4c7f541d Merge tag 'linux-kselftest-fixes-6.4-rc3' of ..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=94af80bb8ddd23c4
dashboard link: https://syzkaller.appspot.com/bug?extid=f1521383cec5f7baaa94
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13385bd6280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11c11186280000

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

#syz fix: fs: Block writes to mounted block devices

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