BTRFS info (device loop1): 1 free space entries at or bigger than 4096 bytes BTRFS info (device loop1): 3227648 bytes available across all block groups ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 1 PID: 16716 at fs/btrfs/block-group.c:2781 btrfs_create_pending_block_groups+0x1120/0x1360 fs/btrfs/block-group.c:2781 Modules linked in: CPU: 1 UID: 0 PID: 16716 Comm: syz.1.2549 Not tainted 6.16.0-rc3-syzkaller-00042-g78f4e737a53e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:btrfs_create_pending_block_groups+0x1120/0x1360 fs/btrfs/block-group.c:2781 Code: 48 c7 c6 c0 b3 cf 8b 44 89 f2 e8 0b 6c 42 fd e9 38 fe ff ff e8 01 a0 d8 fd 90 48 c7 c7 60 b3 cf 8b 44 89 f6 e8 d1 49 9c fd 90 <0f> 0b 90 90 e9 19 fe ff ff e8 e2 9f d8 fd eb 05 e8 db 9f d8 fd 4c RSP: 0018:ffffc90003f7f6e0 EFLAGS: 00010246 RAX: 6cfcafb097f9f200 RBX: ffff88807eb88001 RCX: 0000000000080000 RDX: ffffc9000bb89000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc90003f7f958 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa04 R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff8880554b9858 FS: 00007f728008b6c0(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055da572b89e0 CR3: 000000007ca09000 CR4: 0000000000350ef0 Call Trace: __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1071 btrfs_inc_block_group_ro+0x641/0x6f0 fs/btrfs/block-group.c:3077 btrfs_relocate_block_group+0x47a/0xde0 fs/btrfs/relocation.c:3962 btrfs_relocate_chunk+0x12a/0x3b0 fs/btrfs/volumes.c:3437 __btrfs_balance+0x1870/0x21d0 fs/btrfs/volumes.c:4212 btrfs_balance+0xc94/0x11d0 fs/btrfs/volumes.c:4589 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3583 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 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: 0033:0x7f727f18e929 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:00007f728008b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f727f3b5fa0 RCX: 00007f727f18e929 RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007f727f210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f727f3b5fa0 R15: 00007ffc906111b8