BTRFS info (device loop3): balance: start -susage=34359738372,drange=7..526336,limit=0..6 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 6172 at fs/btrfs/block-group.c:2781 btrfs_create_pending_block_groups+0xd0d/0x14f0 fs/btrfs/block-group.c:2781 Modules linked in: CPU: 1 UID: 0 PID: 6172 Comm: syz.3.81 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+0xd0d/0x14f0 fs/btrfs/block-group.c:2781 Code: 1e 83 f8 19 77 0f ba 01 00 04 02 48 0f a3 c2 0f 82 c8 01 00 00 e8 63 b5 c8 fd 90 48 c7 c7 40 15 dd 8b 89 de e8 74 43 88 fd 90 <0f> 0b 90 90 41 bd 01 00 00 00 e8 44 b5 c8 fd 48 8b 3c 24 45 89 e8 RSP: 0018:ffffc9000b00f718 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 00000000ffffffe4 RCX: ffffc9000c674000 RDX: 0000000000080000 RSI: ffffffff817ad505 RDI: 0000000000000001 RBP: ffff88801d71da00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888073da81c0 R13: 0000000000000000 R14: ffff888073da8050 R15: dffffc0000000000 FS: 00007f74838346c0(0000) GS:ffff888124ae0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd1717ab810 CR3: 0000000031a00000 CR4: 0000000000350ef0 Call Trace: __btrfs_end_transaction+0xf5/0x920 fs/btrfs/transaction.c:1070 btrfs_inc_block_group_ro+0x549/0x740 fs/btrfs/block-group.c:3076 btrfs_relocate_block_group+0x216/0xe00 fs/btrfs/relocation.c:3965 btrfs_relocate_chunk+0x143/0x450 fs/btrfs/volumes.c:3422 __btrfs_balance fs/btrfs/volumes.c:4203 [inline] btrfs_balance+0x20b5/0x3f10 fs/btrfs/volumes.c:4580 btrfs_ioctl_balance fs/btrfs/ioctl.c:3586 [inline] btrfs_ioctl+0x3eb1/0x5b30 fs/btrfs/ioctl.c:5306 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f748298e969 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:00007f7483834038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7482bb5fa0 RCX: 00007f748298e969 RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007f7482a10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7482bb5fa0 R15: 00007ffcdf6f2ac8