Re: KASAN: use-after-free in nilfs_mdt_destroy

y syzkaller fuzzer with custom > modifications and reproduced in 5.12.0-rc3+ too. > > There are use-after-free crashes in nilfs_mdt_destroy in fs/nilfs2/mdt.c. > > and there is a latest crash logs as follows: > > ==============

KASAN: use-after-free in nilfs_mdt_destroy

: == BUG: KASAN: use-after-free in nilfs_mdt_destroy+0x6f/0x80 fs/nilfs2/mdt.c:485 Read of size 8 at addr 8880478f0098 by task syz-executor325/8480 CPU: 1 PID: 8480 Comm: syz-executor325 Not tainted 5.12.0-rc3+ #42 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1 04/01