------------[ cut here ]------------
kernel BUG at fs/f2fs/inode.c:965!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 78 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~bpo12+1 04/01/2014
RIP: 0010:f2fs_evict_inode+0x1b18/0x1b40 fs/f2fs/inode.c:965
Code: 92 b3 fd 40 84 ed 75 32 e8 15 8f b3 fd 49 bd 00 00 00 00 00 fc ff df e9 05 e7 ff ff e8 01 8f b3 fd 90 0f 0b e8 f9 8e b3 fd 90 <0f> 0b e8 f1 8e b3 fd 90 0f 0b 90 e9 f9 fe ff ff e8 e3 8e b3 fd e8
RSP: 0018:ffffc9000102f050 EFLAGS: 00010293
RAX: ffffffff840e3197 RBX: ffff8880116ec7c0 RCX: ffff88801c7ac980
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880116ecc57 R09: 1ffff110022dd98a
R10: dffffc0000000000 R11: ffffed10022dd98b R12: ffff8880116ecc50
R13: dffffc0000000000 R14: 1ffff110022dd98a R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05753376b0 CR3: 000000001187c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x5f4/0xae0 fs/inode.c:837
 dispose_list fs/inode.c:879 [inline]
 prune_icache_sb+0x21b/0x2c0 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+0x7ef/0x10d0 mm/shrinker.c:628
 shrink_one+0x2d9/0x720 mm/vmscan.c:4919
 shrink_many mm/vmscan.c:4980 [inline]
 lru_gen_shrink_node mm/vmscan.c:5058 [inline]
 shrink_node+0x2f7d/0x35b0 mm/vmscan.c:6045
 kswapd_shrink_node mm/vmscan.c:6899 [inline]
 balance_pgdat mm/vmscan.c:7082 [inline]
 kswapd+0x145a/0x2820 mm/vmscan.c:7352
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 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+0x1b18/0x1b40 fs/f2fs/inode.c:965
Code: 92 b3 fd 40 84 ed 75 32 e8 15 8f b3 fd 49 bd 00 00 00 00 00 fc ff df e9 05 e7 ff ff e8 01 8f b3 fd 90 0f 0b e8 f9 8e b3 fd 90 <0f> 0b e8 f1 8e b3 fd 90 0f 0b 90 e9 f9 fe ff ff e8 e3 8e b3 fd e8
RSP: 0018:ffffc9000102f050 EFLAGS: 00010293
RAX: ffffffff840e3197 RBX: ffff8880116ec7c0 RCX: ffff88801c7ac980
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880116ecc57 R09: 1ffff110022dd98a
R10: dffffc0000000000 R11: ffffed10022dd98b R12: ffff8880116ecc50
R13: dffffc0000000000 R14: 1ffff110022dd98a R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05753376b0 CR3: 000000001c4be000 CR4: 0000000000352ef0