loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
BTRFS warning (device loop0): Skipping commit of aborted transaction.
------------[ cut here ]------------
BTRFS: Transaction aborted (error -2)
WARNING: CPU: 0 PID: 5359 at fs/btrfs/transaction.c:2023 cleanup_transaction fs/btrfs/transaction.c:2023 [inline]
WARNING: CPU: 0 PID: 5359 at fs/btrfs/transaction.c:2023 btrfs_commit_transaction+0x2f67/0x3950 fs/btrfs/transaction.c:2614
Modules linked in:
CPU: 0 UID: 0 PID: 5359 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:cleanup_transaction fs/btrfs/transaction.c:2023 [inline]
RIP: 0010:btrfs_commit_transaction+0x2f67/0x3950 fs/btrfs/transaction.c:2614
Code: df 78 dd fd 84 c0 74 2b e8 26 d6 f6 fd eb 73 e8 1f d6 f6 fd 90 48 c7 c7 40 d7 ed 8b 8b 5c 24 18 89 de e8 2c 63 ba fd 89 d9 90 <0f> 0b 90 90 e9 1a 01 00 00 e8 9b 67 b3 07 89 c3 31 ff 89 c6 e8 30
RSP: 0000:ffffc9000d39f820 EFLAGS: 00010246
RAX: 7cc50beeb278f800 RBX: 00000000fffffffe RCX: 00000000fffffffe
RDX: ffffc9000e5e3000 RSI: 000000000000881e RDI: 000000000000881f
RBP: ffffc9000d39fb48 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1c3a22c R12: ffff88803e895af8
R13: ffff888052a94000 R14: ffff888052a94000 R15: 0000000000000000
FS:  00007f3ea64bd6c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e99d9c000 CR3: 0000000042f88000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 create_snapshot+0x6bc/0xba0 fs/btrfs/ioctl.c:782
 btrfs_mksubvol+0x545/0x6d0 fs/btrfs/ioctl.c:934
 btrfs_mksnapshot+0xab/0xf0 fs/btrfs/ioctl.c:978
 __btrfs_ioctl_snap_create+0x520/0x730 fs/btrfs/ioctl.c:1242
 btrfs_ioctl_snap_create_v2+0x1f8/0x3b0 fs/btrfs/ioctl.c:1322
 btrfs_ioctl+0xa62/0xd00 fs/btrfs/ioctl.c:-1
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ea558eec9
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:00007f3ea64bd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3ea57e6090 RCX: 00007f3ea558eec9
RDX: 0000200000002480 RSI: 0000000050009417 RDI: 000000000000000a
RBP: 00007f3ea5611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3ea57e6128 R14: 00007f3ea57e6090 R15: 00007ffdd904e608
 </TASK>