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kernel BUG at fs/f2fs/inode.c:988!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 82 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_post_evict_inode fs/f2fs/inode.c:988 [inline]
RIP: 0010:f2fs_evict_inode+0x2025/0x2070 fs/f2fs/inode.c:1049
Code: 3c 08 00 74 08 4c 89 f7 e8 28 6b da fd 49 8b 3e 48 8b 74 24 28 e8 cb ef 00 00 eb 1c e8 e4 c7 61 fd 90 0f 0b e8 dc c7 61 fd 90 <0f> 0b e8 d4 c7 61 fd eb 1b e8 cd c7 61 fd 48 c7 c7 40 c2 1b 90 be
RSP: 0018:ffffc90000eb6be0 EFLAGS: 00010293
RAX: ffffffff84675954 RBX: 0000000000000002 RCX: ffff888033828000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000eb6d70 R08: ffff888014b8cb5f R09: 1ffff1100297196b
R10: dffffc0000000000 R11: ffffed100297196c R12: dffffc0000000000
R13: ffff888014b8cb58 R14: ffff888013f100c0 R15: ffff888014b8c728
FS:  0000000000000000(0000) GS:ffff88808aa01000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fddd289f9a0 CR3: 0000000050bec000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x624/0xb50 fs/inode.c:821
 dispose_list fs/inode.c:863 [inline]
 prune_icache_sb+0x223/0x2d0 fs/inode.c:1021
 super_cache_scan+0x393/0x4a0 fs/super.c:227
 do_shrink_slab+0x6d0/0x10d0 mm/shrinker.c:452
 shrink_slab_memcg mm/shrinker.c:569 [inline]
 shrink_slab+0x838/0x1210 mm/shrinker.c:647
 shrink_one+0x396/0x10f0 mm/vmscan.c:5320
 shrink_many mm/vmscan.c:5381 [inline]
 lru_gen_shrink_node mm/vmscan.c:5459 [inline]
 shrink_node+0x631e/0x6c50 mm/vmscan.c:6465
 kswapd_shrink_node mm/vmscan.c:7258 [inline]
 balance_pgdat mm/vmscan.c:7429 [inline]
 kswapd+0x1ff4/0x3a20 mm/vmscan.c:7705
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---