BTRFS info (device loop9): enabling free space tree
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 16441 at fs/btrfs/block-group.c:4000 do_chunk_alloc fs/btrfs/block-group.c:4000 [inline]
WARNING: CPU: 0 PID: 16441 at fs/btrfs/block-group.c:4000 btrfs_chunk_alloc+0xf9d/0x1460 fs/btrfs/block-group.c:4241
Modules linked in:
CPU: 0 UID: 0 PID: 16441 Comm: syz.9.2756 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:do_chunk_alloc fs/btrfs/block-group.c:4000 [inline]
RIP: 0010:btrfs_chunk_alloc+0xf9d/0x1460 fs/btrfs/block-group.c:4241
Code: ba fd 84 c0 0f 84 63 01 00 00 e8 4e d5 d3 fd e9 8c 03 00 00 e8 44 d5 d3 fd 90 48 c7 c7 60 f4 cf 8b 44 89 f6 e8 34 74 97 fd 90 <0f> 0b 90 90 e9 3e fc ff ff e8 25 d5 d3 fd eb 05 e8 1e d5 d3 fd e8
RSP: 0018:ffffc900046c6d50 EFLAGS: 00010246
RAX: 60b72b650d6dfe00 RBX: ffff88805a7e4001 RCX: 0000000000080000
RDX: ffffc9000d3b9000 RSI: 000000000000570e RDI: 000000000000570f
RBP: 0000000000000000 R08: ffff8880b8624253 R09: 1ffff110170c484a
R10: dffffc0000000000 R11: ffffed10170c484b R12: dffffc0000000000
R13: ffff888031241000 R14: ffffffffffffffe4 R15: ffff88802de4e5c8
FS:  00007f01704466c0(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000002b1030 CR3: 000000004ca79000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 find_free_extent_update_loop fs/btrfs/extent-tree.c:4211 [inline]
 find_free_extent+0x5131/0x5da0 fs/btrfs/extent-tree.c:4621
 btrfs_reserve_extent+0x2ff/0x7e0 fs/btrfs/extent-tree.c:4715
 btrfs_alloc_tree_block+0x1e8/0x1290 fs/btrfs/extent-tree.c:5168
 btrfs_force_cow_block+0x578/0x2460 fs/btrfs/ctree.c:517
 btrfs_cow_block+0x40a/0x9a0 fs/btrfs/ctree.c:699
 btrfs_search_slot+0xd11/0x2b90 fs/btrfs/ctree.c:2097
 btrfs_lookup_match_dir fs/btrfs/dir-item.c:184 [inline]
 btrfs_lookup_xattr+0xeb/0x1b0 fs/btrfs/dir-item.c:359
 btrfs_setxattr+0x23d/0x870 fs/btrfs/xattr.c:103
 btrfs_setxattr_trans+0xff/0x380 fs/btrfs/xattr.c:260
 __btrfs_set_acl+0x224/0x300 fs/btrfs/acl.c:101
 btrfs_set_acl+0x131/0x200 fs/btrfs/acl.c:125
 set_posix_acl fs/posix_acl.c:954 [inline]
 vfs_set_acl+0x887/0xb00 fs/posix_acl.c:1133
 do_setxattr fs/xattr.c:633 [inline]
 filename_setxattr+0x2e0/0x600 fs/xattr.c:665
 path_setxattrat+0x364/0x3a0 fs/xattr.c:713
 __do_sys_setxattr fs/xattr.c:747 [inline]
 __se_sys_setxattr fs/xattr.c:743 [inline]
 __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743
 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: 0033:0x7f016f58ebe9
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:00007f0170446038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f016f7b6090 RCX: 00007f016f58ebe9
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000200000000100
RBP: 00007f016f611e19 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f016f7b6128 R14: 00007f016f7b6090 R15: 00007ffe7717a8e8
 </TASK>