loop0: detected capacity change from 32768 to 0
BTRFS error (device loop0): bdev /dev/loop0 errs: wr 0, rd 1, flush 0, corrupt 0, gen 0
------------[ cut here ]------------
WARNING: fs/btrfs/inode.c:8002 at btrfs_destroy_inode+0x83a/0x910 fs/btrfs/inode.c:8002, CPU#0: syz.0.0/5345
Modules linked in:
CPU: 0 UID: 0 PID: 5345 Comm: syz.0.0 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:btrfs_destroy_inode+0x83a/0x910 fs/btrfs/inode.c:8002
Code: 5f 5d c3 cc cc cc cc cc e8 63 a1 ec fd 90 0f 0b 90 e9 14 fa ff ff e8 55 a1 ec fd 90 0f 0b 90 e9 3e fa ff ff e8 47 a1 ec fd 90 <0f> 0b 90 4d 85 ff 0f 85 58 f9 ff ff e9 68 fa ff ff 44 89 f9 80 e1
RSP: 0018:ffffc9000e497180 EFLAGS: 00010283
RAX: ffffffff83d463d9 RBX: ffffffffffffffff RCX: 0000000000100000
RDX: ffffc900211a3000 RSI: 0000000000000df1 RDI: 0000000000000df2
RBP: ffff8880002c2b20 R08: 0000000000000001 R09: ffffffff95a62a60
R10: 000000009afeb31f R11: ffffffff83d45ba0 R12: ffff8880002c2d90
R13: dffffc0000000000 R14: ffff8880002c2ec8 R15: ffff888011bca000
FS:  00007f355bf6a6c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556235d45410 CR3: 0000000040114000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 destroy_inode fs/inode.c:396 [inline]
 evict+0x8aa/0xae0 fs/inode.c:861
 btrfs_read_locked_inode+0xfb4/0x14b0 fs/btrfs/inode.c:4152
 btrfs_iget+0x1b8/0x350 fs/btrfs/inode.c:5887
 btrfs_lookup_dentry+0x400/0x1290 fs/btrfs/inode.c:5970
 btrfs_lookup+0x1d/0x40 fs/btrfs/inode.c:6038
 __lookup_slow+0x297/0x3d0 fs/namei.c:1858
 lookup_slow+0x53/0x70 fs/namei.c:1875
 walk_component fs/namei.c:2221 [inline]
 link_path_walk+0xd1e/0x18d0 fs/namei.c:2589
 path_openat+0x2b3/0x3dd0 fs/namei.c:4783
 do_filp_open+0x1fa/0x410 fs/namei.c:4814
 do_sys_openat2+0x121/0x200 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f355b18f7c9
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:00007f355bf6a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f355b3e6090 RCX: 00007f355b18f7c9
RDX: 0000000000105842 RSI: 00002000000001c0 RDI: ffffffffffffff9c
RBP: 00007f355b213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000000a9 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f355b3e6128 R14: 00007f355b3e6090 R15: 00007ffd88a06258
 </TASK>