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kernel BUG at fs/f2fs/inode.c:992!
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+0x1b6b/0x1b80 fs/f2fs/inode.c:992
Code: fd 48 c7 c7 80 a9 9b 8e be 04 00 00 00 e8 dd 20 75 fd 65 48 ff 43 08 e9 02 e7 ff ff e8 fe dd 90 fd 90 0f 0b e8 f6 dd 90 fd 90 <0f> 0b e8 ee dd 90 fd 90 0f 0b 90 e9 d1 fe ff ff 0f 1f 44 00 00 90
RSP: 0018:ffffc90000acf040 EFLAGS: 00010293
RAX: ffffffff843562fa RBX: 0000000000000002 RCX: ffff888000a94a80
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90000acf1f0 R08: ffff88801aaca7df R09: 1ffff110035594fb
R10: dffffc0000000000 R11: ffffed10035594fc R12: dffffc0000000000
R13: 1ffff110035594fb R14: ffff88801aaca3c0 R15: ffff88801b7900c0
FS:  0000000000000000(0000) GS:ffff88808c81e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000007fc000 CR3: 00000000127b9000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x624/0xb50 fs/inode.c:825
 dispose_list fs/inode.c:867 [inline]
 prune_icache_sb+0x223/0x2d0 fs/inode.c:1014
 super_cache_scan+0x38d/0x4a0 fs/super.c:225
 do_shrink_slab+0x6d0/0x10e0 mm/shrinker.c:434
 shrink_slab_memcg mm/shrinker.c:551 [inline]
 shrink_slab+0x838/0x1220 mm/shrinker.c:629
 shrink_one+0x2a2/0x730 mm/vmscan.c:5026
 shrink_many mm/vmscan.c:5087 [inline]
 lru_gen_shrink_node mm/vmscan.c:5165 [inline]
 shrink_node+0x3303/0x3b60 mm/vmscan.c:6154
 kswapd_shrink_node mm/vmscan.c:7008 [inline]
 balance_pgdat mm/vmscan.c:7186 [inline]
 kswapd+0x17b6/0x31c0 mm/vmscan.c:7462
 kthread+0x388/0x470 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:
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