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BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 5365 at fs/btrfs/extent-tree.c:2161 btrfs_run_delayed_refs+0x2fa/0x3b0 fs/btrfs/extent-tree.c:2161
Modules linked in:
CPU: 0 UID: 0 PID: 5365 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_run_delayed_refs+0x2fa/0x3b0 fs/btrfs/extent-tree.c:2161
Code: 00 e8 fa fb e3 fd 84 c0 74 29 e8 41 59 fd fd e9 8d 00 00 00 e8 37 59 fd fd 90 48 c7 c7 40 3a ed 8b 44 89 fe e8 47 e6 c0 fd 90 <0f> 0b 90 90 e9 20 ff ff ff e8 b8 ea b9 07 41 89 c4 31 ff 89 c6 e8
RSP: 0018:ffffc9000d297158 EFLAGS: 00010246
RAX: 296e6c46e9801200 RBX: ffff8880528d74a0 RCX: 0000000000100000
RDX: ffffc9000e7d3000 RSI: 000000000002b572 RDI: 000000000002b573
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1c3a22c R12: ffff888052d98001
R13: ffff88803f4c8000 R14: dffffc0000000000 R15: 00000000ffffffe4
FS:  00007fcdcc8556c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcdcc812fc8 CR3: 00000000406d2000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 btrfs_commit_transaction+0x269/0x3950 fs/btrfs/transaction.c:2214
 btrfs_sync_file+0xd30/0x1160 fs/btrfs/file.c:1819
 generic_write_sync include/linux/fs.h:3043 [inline]
 btrfs_do_write_iter+0x59a/0x710 fs/btrfs/file.c:1470
 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 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: 0033:0x7fcdcb98eec9
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:00007fcdcc855038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcdcbbe6090 RCX: 00007fcdcb98eec9
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 000000000000000a
RBP: 00007fcdcba11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000040001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcdcbbe6128 R14: 00007fcdcbbe6090 R15: 00007ffc8e15c858
 </TASK>