BTRFS info (device loop1): enabling free space tree BTRFS info (device loop1): balance: start -susage=4,drange=7..107,limit=1..3 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 17472 at fs/btrfs/block-group.c:2796 btrfs_create_pending_block_groups+0xd0d/0x1990 fs/btrfs/block-group.c:2796 Modules linked in: CPU: 0 UID: 0 PID: 17472 Comm: syz.1.2750 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:btrfs_create_pending_block_groups+0xd0d/0x1990 fs/btrfs/block-group.c:2796 Code: 83 f8 19 77 0f ba 01 00 04 02 48 0f a3 c2 0f 82 cb 01 00 00 e8 94 dc bc fd 90 48 c7 c7 a0 e9 fd 8b 44 89 fe e8 a4 81 7b fd 90 <0f> 0b 90 90 bd 01 00 00 00 e8 75 dc bc fd 48 8b 7c 24 08 41 89 e8 RSP: 0018:ffffc9000d5ef758 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88805258db00 RCX: ffffc900199bc000 RDX: 0000000000080000 RSI: ffffffff817a4395 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888052ba91c0 R13: dffffc0000000000 R14: ffffc9000d5ef850 R15: 00000000ffffffe4 FS: 00007fed334d96c0(0000) GS:ffff8881246b3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2da23ffc CR3: 000000008bf3c000 CR4: 0000000000350ef0 Call Trace: __btrfs_end_transaction+0xf5/0x920 fs/btrfs/transaction.c:1071 btrfs_inc_block_group_ro+0x534/0x720 fs/btrfs/block-group.c:3092 btrfs_relocate_block_group+0x234/0x1040 fs/btrfs/relocation.c:3950 btrfs_relocate_chunk+0x148/0x730 fs/btrfs/volumes.c:3451 __btrfs_balance fs/btrfs/volumes.c:4227 [inline] btrfs_balance+0x1df9/0x47a0 fs/btrfs/volumes.c:4604 btrfs_ioctl_balance fs/btrfs/ioctl.c:3577 [inline] btrfs_ioctl+0x315d/0x5590 fs/btrfs/ioctl.c:5298 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl fs/ioctl.c:584 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fed3258ec29 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:00007fed334d9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fed327d5fa0 RCX: 00007fed3258ec29 RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007fed32611e41 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fed327d6038 R14: 00007fed327d5fa0 R15: 00007ffc098e38e8