------------[ cut here ]------------
kernel BUG at fs/f2fs/inode.c:971!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 75 Comm: kswapd0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:f2fs_evict_inode+0x1ad2/0x1b00 fs/f2fs/inode.c:971
Code: 0f 94 c6 bf 02 00 00 00 e8 4b 7d a6 fd 40 84 ed 75 28 e8 41 7a a6 fd e9 fe e6 ff ff e8 37 7a a6 fd 90 0f 0b e8 2f 7a a6 fd 90 <0f> 0b e8 27 7a a6 fd 90 0f 0b 90 e9 00 ff ff ff e8 19 7a a6 fd e8
RSP: 0018:ffffc9000125f0b0 EFLAGS: 00010293
RAX: ffffffff841e0cc1 RBX: ffff88801fdbbf00 RCX: ffff888000e6c980
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff88801fdbc397 R09: 1ffff11003fb7872
R10: dffffc0000000000 R11: ffffed1003fb7873 R12: ffff88801fdbc390
R13: ffff88803a36a087 R14: ffff88801fdbbf40 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0c497f1a37 CR3: 000000001f369000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x61e/0xb10 fs/inode.c:837
 dispose_list fs/inode.c:879 [inline]
 prune_icache_sb+0x223/0x2d0 fs/inode.c:1027
 super_cache_scan+0x39b/0x4b0 fs/super.c:224
 do_shrink_slab+0x6df/0x10d0 mm/shrinker.c:437
 shrink_slab_memcg mm/shrinker.c:550 [inline]
 shrink_slab+0x830/0x1150 mm/shrinker.c:628
 shrink_one+0x2d9/0x710 mm/vmscan.c:4921
 shrink_many mm/vmscan.c:4982 [inline]
 lru_gen_shrink_node mm/vmscan.c:5060 [inline]
 shrink_node+0x2f8b/0x35f0 mm/vmscan.c:6047
 kswapd_shrink_node mm/vmscan.c:6901 [inline]
 balance_pgdat mm/vmscan.c:7084 [inline]
 kswapd+0x144c/0x2800 mm/vmscan.c:7354
 kthread+0x726/0x8b0 kernel/kthread.c:463
 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_evict_inode+0x1ad2/0x1b00 fs/f2fs/inode.c:971
Code: 0f 94 c6 bf 02 00 00 00 e8 4b 7d a6 fd 40 84 ed 75 28 e8 41 7a a6 fd e9 fe e6 ff ff e8 37 7a a6 fd 90 0f 0b e8 2f 7a a6 fd 90 <0f> 0b e8 27 7a a6 fd 90 0f 0b 90 e9 00 ff ff ff e8 19 7a a6 fd e8
RSP: 0018:ffffc9000125f0b0 EFLAGS: 00010293
RAX: ffffffff841e0cc1 RBX: ffff88801fdbbf00 RCX: ffff888000e6c980
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff88801fdbc397 R09: 1ffff11003fb7872
R10: dffffc0000000000 R11: ffffed1003fb7873 R12: ffff88801fdbc390
R13: ffff88803a36a087 R14: ffff88801fdbbf40 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f69b23fe120 CR3: 000000001f89f000 CR4: 0000000000352ef0