loop6: detected capacity change from 0 to 1024
------------[ cut here ]------------
kernel BUG at fs/f2fs/inode.c:965!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 9773 Comm: syz.6.512 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:f2fs_evict_inode+0x199f/0x19c0
Code: 02 00 00 00 e8 c2 65 bd fd 40 84 ed 75 2c e8 b8 62 bd fd 4c 8b 2c 24 e9 33 e8 ff ff e8 aa 62 bd fd 90 0f 0b e8 a2 62 bd fd 90 <0f> 0b e8 9a 62 bd fd 90 0f 0b 90 e9 ff fe ff ff e8 8c 62 bd fd e8
RSP: 0018:ffffc90002c8f3d8 EFLAGS: 00010287
RAX: ffffffff84024b6e RBX: ffff88810929acd8 RCX: 0000000000080000
RDX: ffffc9000f349000 RSI: 0000000000005964 RDI: 0000000000005965
RBP: dffffc0000000000 R08: ffff88810929b17f R09: 1ffff1102125362f
R10: dffffc0000000000 R11: ffffed1021253630 R12: ffff88810de26087
R13: 1ffff1102125362f R14: 0000000000000002 R15: ffff88810929b178
FS:  00007f781bb2d6c0(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000020f80 CR3: 000000004977c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 evict+0x504/0x9c0
 prune_icache_sb+0x21b/0x2c0
 super_cache_scan+0x39b/0x4b0
 do_shrink_slab+0x6ef/0x1110
 shrink_slab+0x7ef/0x10d0
 drop_slab+0x14e/0x290
 drop_caches_sysctl_handler+0xc7/0x170
 proc_sys_call_handler+0x4c6/0x700
 do_iter_readv_writev+0x61c/0x8b0
 vfs_writev+0x31a/0x960
 do_writev+0x14d/0x2d0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f781ad8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f781bb2d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f781afc5fa0 RCX: 00007f781ad8ebe9
RDX: 0000000000000001 RSI: 0000200000020f80 RDI: 0000000000000003
RBP: 00007f781ae11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f781afc6038 R14: 00007f781afc5fa0 R15: 00007ffd4eaef968
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_evict_inode+0x199f/0x19c0
Code: 02 00 00 00 e8 c2 65 bd fd 40 84 ed 75 2c e8 b8 62 bd fd 4c 8b 2c 24 e9 33 e8 ff ff e8 aa 62 bd fd 90 0f 0b e8 a2 62 bd fd 90 <0f> 0b e8 9a 62 bd fd 90 0f 0b 90 e9 ff fe ff ff e8 8c 62 bd fd e8
RSP: 0018:ffffc90002c8f3d8 EFLAGS: 00010287
RAX: ffffffff84024b6e RBX: ffff88810929acd8 RCX: 0000000000080000
RDX: ffffc9000f349000 RSI: 0000000000005964 RDI: 0000000000005965
RBP: dffffc0000000000 R08: ffff88810929b17f R09: 1ffff1102125362f
R10: dffffc0000000000 R11: ffffed1021253630 R12: ffff88810de26087
R13: 1ffff1102125362f R14: 0000000000000002 R15: ffff88810929b178
FS:  00007f781bb2d6c0(0000) GS:ffff8881a3c18000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78117c2000 CR3: 000000004977c000 CR4: 00000000000006f0
