loop0: detected capacity change from 0 to 32768 BTRFS: device fsid 3d39d0ba-bdae-447e-827b-b091e1a68885 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5337) BTRFS info (device loop0): first mount of filesystem 3d39d0ba-bdae-447e-827b-b091e1a68885 BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm BTRFS info (device loop0): using free-space-tree BTRFS error (device loop0): failed to run delayed ref for logical 5386240 num_bytes 4096 type 178 action 1 ref_mod 1: -28 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5337 at fs/btrfs/extent-tree.c:2191 btrfs_run_delayed_refs+0x2b7/0x2c0 fs/btrfs/extent-tree.c:2191 Modules linked in: CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-09734-g445d9f05fa14 #0 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+0x2b7/0x2c0 fs/btrfs/extent-tree.c:2191 Code: 38 c1 0f 8c d1 fd ff ff 48 89 df e8 f3 e4 4d fe e9 c4 fd ff ff e8 39 fe e2 fd 90 48 c7 c7 20 4a 4c 8c 89 de e8 2a a7 a3 fd 90 <0f> 0b 90 90 eb 9a 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d4b6f18 EFLAGS: 00010246 RAX: 29a8915535485700 RBX: 00000000ffffffe4 RCX: 0000000000100000 RDX: ffffc9000e7da000 RSI: 0000000000088895 RDI: 0000000000088896 RBP: ffff888052f84001 R08: ffffffff815688b2 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000000 R13: ffff8880459af628 R14: dffffc0000000000 R15: ffff8880459af5c8 FS: 00007f353a5a86c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f353a586fe0 CR3: 0000000052db6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_commit_transaction+0x4b6/0x3720 fs/btrfs/transaction.c:2195 btrfs_sync_file+0xdf5/0x1230 fs/btrfs/file.c:1755 generic_write_sync include/linux/fs.h:2904 [inline] iomap_dio_complete+0x595/0x950 fs/iomap/direct-io.c:133 btrfs_direct_write+0x6a2/0xa30 fs/btrfs/direct-io.c:896 btrfs_do_write_iter+0x2a0/0x760 fs/btrfs/file.c:1396 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11b/0x220 fs/splice.c:1164 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x289/0x3e0 fs/splice.c:1233 do_sendfile+0x564/0x8a0 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1410 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3539780809 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:00007f353a5a8058 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f3539945fa0 RCX: 00007f3539780809 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 RBP: 00007f35397f393e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000100000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3539945fa0 R15: 00007ffcc2798ae8