Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_find_extent (3)

To: syzbot <syzbot+7ec4ebe875a7076ebb31@xxxxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_find_extent (3)
From: "Theodore Ts'o" <tytso@xxxxxxx>
Date: Sat, 27 Jan 2024 16:58:57 -0500
Cc: adilger.kernel@xxxxxxxxx, axboe@xxxxxxxxx, brauner@xxxxxxxxxx, jack@xxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx
In-reply-to: <00000000000064064a060fe9b55a@google.com>

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

References:
- [syzbot] [ext4?] KASAN: use-after-free Read in ext4_find_extent (3)
  - From: syzbot
- Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_find_extent (3)
  - From: syzbot