------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 3 PID: 5196 at fs/btrfs/extent-tree.c:3255 __btrfs_free_extent.isra.0+0x1a64/0x2f70 fs/btrfs/extent-tree.c:3255
Modules linked in:
CPU: 3 PID: 5196 Comm: syz-executor100 Not tainted 6.9.0-rc2-syzkaller-00002-g026e680b0a08 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__btrfs_free_extent.isra.0+0x1a64/0x2f70 fs/btrfs/extent-tree.c:3255
Code: e3 fa ff ff 48 8b 7c 24 50 e8 38 89 61 fe e9 d4 fa ff ff e8 de 5d 06 fe 90 8b 74 24 30 48 c7 c7 80 1a 76 8b e8 4d cb c8 fd 90 <0f> 0b 90 90 e9 0a f2 ff ff e8 be 5d 06 fe bf 8b ff ff ff e8 a4 05
RSP: 0018:ffffc900033ff0f0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff814fe169
RDX: ffff88801aed4880 RSI: ffffffff814fe176 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffff888020f164d0
R13: 0000000000000100 R14: 00000000ffffffe4 R15: 0000000000623000
FS:  00007f219159a6c0(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c4 CR3: 000000001f710000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 run_delayed_data_ref fs/btrfs/extent-tree.c:1611 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1801 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2062 [inline]
 __btrfs_run_delayed_refs+0xa3c/0x3d10 fs/btrfs/extent-tree.c:2132
 btrfs_run_delayed_refs+0x1a6/0x330 fs/btrfs/extent-tree.c:2244
 btrfs_commit_transaction+0x783/0x3b30 fs/btrfs/transaction.c:2186
 btrfs_sync_file+0x97e/0xd90 fs/btrfs/file.c:2016
 vfs_fsync_range+0x141/0x230 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2793 [inline]
 btrfs_do_write_iter+0x584/0x10c0 fs/btrfs/file.c:1695
 call_write_iter include/linux/fs.h:2108 [inline]
 iter_file_splice_write+0x906/0x10b0 fs/splice.c:743
 do_splice_from fs/splice.c:941 [inline]
 direct_splice_actor+0x19b/0x6d0 fs/splice.c:1164
 splice_direct_to_actor+0x346/0xa40 fs/splice.c:1108
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0x17e/0x250 fs/splice.c:1233
 do_sendfile+0xaa8/0xdb0 fs/read_write.c:1295
 __do_sys_sendfile64 fs/read_write.c:1362 [inline]
 __se_sys_sendfile64 fs/read_write.c:1348 [inline]
 __x64_sys_sendfile64+0x1da/0x220 fs/read_write.c:1348
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7f21915e2369
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f219159a218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f219166e608 RCX: 00007f21915e2369
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f219166e600 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000880000c R11: 0000000000000246 R12: 00007f219163b60c
R13: 0000000020000600 R14: 00007f2191636060 R15: 0030656c69662f2e
 </TASK>