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kernel BUG at fs/f2fs/inode.c:1039!
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 04/01/2014
RIP: 0010:f2fs_post_evict_inode fs/f2fs/inode.c:1039 [inline]
RIP: 0010:f2fs_evict_inode+0x21d8/0x21f0 fs/f2fs/inode.c:1102
Code: ff 43 08 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 10 4c 8b 7c 24 08 e9 63 e0 ff ff e8 71 32 6f fd 90 0f 0b e8 69 32 6f fd 90 <0f> 0b e8 61 32 6f fd 90 0f 0b 90 e9 be fe ff ff 0f 1f 84 00 00 00
RSP: 0018:ffffc90000d27060 EFLAGS: 00010293
RAX: ffffffff845899c7 RBX: 0000000000000002 RCX: ffff88800025a580
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000d271f0 R08: ffff8880123130bf R09: 1ffff11002462617
R10: dffffc0000000000 R11: ffffed1002462618 R12: 0000000000000000
R13: ffff8880123130b8 R14: ffff888012d6c0c0 R15: ffff88801212c087
FS:  0000000000000000(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffbcefeb3a0 CR3: 0000000012853000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x624/0xb50 fs/inode.c:822
 dispose_list fs/inode.c:864 [inline]
 prune_icache_sb+0x223/0x2d0 fs/inode.c:1011
 super_cache_scan+0x3f5/0x500 fs/super.c:240
 do_shrink_slab+0x6d0/0x10e0 mm/shrinker.c:443
 shrink_slab_memcg mm/shrinker.c:560 [inline]
 shrink_slab+0x838/0x1220 mm/shrinker.c:638
 shrink_one+0x2a2/0x730 mm/vmscan.c:5119
 shrink_many mm/vmscan.c:5180 [inline]
 lru_gen_shrink_node mm/vmscan.c:5258 [inline]
 shrink_node+0x35d0/0x3e30 mm/vmscan.c:6247
 kswapd_shrink_node mm/vmscan.c:7101 [inline]
 balance_pgdat mm/vmscan.c:7279 [inline]
 kswapd+0x185e/0x32c0 mm/vmscan.c:7555
 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 ]---