BTRFS info (device loop1): balance: start -susage=34359738372,drange=7..526336,limit=0..6 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 24727 at fs/btrfs/block-group.c:2781 btrfs_create_pending_block_groups+0x1120/0x1350 fs/btrfs/block-group.c:2781 Modules linked in: CPU: 0 UID: 0 PID: 24727 Comm: syz.1.4541 Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:btrfs_create_pending_block_groups+0x1120/0x1350 fs/btrfs/block-group.c:2781 Code: 48 c7 c6 40 5d af 8b 44 89 f2 e8 eb 17 48 fd e9 38 fe ff ff e8 41 f5 dd fd 90 48 c7 c7 e0 5c af 8b 44 89 f6 e8 c1 51 a2 fd 90 <0f> 0b 90 90 e9 19 fe ff ff e8 22 f5 dd fd eb 05 e8 1b f5 dd fd 4c RSP: 0018:ffffc9000477f700 EFLAGS: 00010246 RAX: 98a27466cdb4c500 RBX: ffff888055a18001 RCX: 0000000000080000 RDX: ffffc90013be7000 RSI: 000000000000e135 RDI: 000000000000e136 RBP: ffffc9000477f980 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba984 R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88803fb58058 FS: 00007f784a8ba6c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000fb9030 CR3: 000000003aef7000 CR4: 0000000000350ef0 Call Trace: __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1070 btrfs_inc_block_group_ro+0x62f/0x700 fs/btrfs/block-group.c:3076 btrfs_relocate_block_group+0x452/0xd70 fs/btrfs/relocation.c:3965 btrfs_relocate_chunk+0x12a/0x3b0 fs/btrfs/volumes.c:3422 __btrfs_balance+0x1870/0x21d0 fs/btrfs/volumes.c:4203 btrfs_balance+0xcb9/0x11b0 fs/btrfs/volumes.c:4580 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3586 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f784998e969 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:00007f784a8ba038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7849bb5fa0 RCX: 00007f784998e969 RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007f7849a10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7849bb5fa0 R15: 00007ffcaa860158