linux-kernel - Re: [syzbot] [hfs?] KASAN: slab-use-after-free Read in hfsplus_read

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Message-ID: <00000000000087bf8a0610efbdcc@google.com>
Date: Fri, 09 Feb 2024 01:42:03 -0800
From: syzbot <syzbot+4b52080e97cde107939d@...kaller.appspotmail.com>
To: axboe@...nel.dk, brauner@...nel.org, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [hfs?] KASAN: slab-use-after-free Read in hfsplus_read_wrapper

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=15065d50180000
start commit:   88035e5694a8 Merge tag 'hid-for-linus-2023121201' of git:/..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=be2bd0a72b52d4da
dashboard link: https://syzkaller.appspot.com/bug?extid=4b52080e97cde107939d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=148fa88ae80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15067cc6e80000

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