Re: [syzbot] [ext4?] KASAN: out-of-bounds Read in ext4_ext_remove_space

[syzbot]

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@xxxxxxx>
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=1764f648180000
start commit:   e6fda526d9db Merge tag 'arm64-fixes' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=1e3d5175079af5a4
dashboard link: https://syzkaller.appspot.com/bug?extid=6e5f2db05775244c73b7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16a56679a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14d76b5da80000

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