------------[ cut here ]------------ WARNING: CPU: 1 PID: 4337 at fs/btrfs/block-group.c:2535 btrfs_create_pending_block_groups+0x1039/0x12b0 fs/btrfs/block-group.c:2535 Modules linked in: CPU: 1 PID: 4337 Comm: syz.0.1 Tainted: G W 6.1.121-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:btrfs_create_pending_block_groups+0x1039/0x12b0 fs/btrfs/block-group.c:2535 Code: ba ee 09 00 00 44 89 f9 e8 eb 24 f7 06 4c 8b 6c 24 10 e9 49 f5 ff ff e8 35 6d d1 fd 48 c7 c7 c0 24 51 8b 89 de e8 77 86 99 fd <0f> 0b e9 56 ff ff ff e8 1b 6d d1 fd 48 c7 c7 c0 24 51 8b 44 89 e6 RSP: 0018:ffffc9000467f6c0 EFLAGS: 00010246 RAX: 687ff768c3ae1f00 RBX: 00000000ffffffe4 RCX: 0000000000080000 RDX: ffffc900052d9000 RSI: 0000000000043b32 RDI: 0000000000043b33 RBP: ffffc9000467f950 R08: ffffffff8152b84e R09: fffffbfff2249c6e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801e6b4058 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880538ac001 FS: 00007fb3bd3af6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020032000 CR3: 0000000077621000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __btrfs_end_transaction+0x2be/0x7b0 fs/btrfs/transaction.c:1010 btrfs_inc_block_group_ro+0x644/0x6f0 fs/btrfs/block-group.c:2799 btrfs_relocate_block_group+0x439/0xd70 fs/btrfs/relocation.c:4046 btrfs_relocate_chunk+0x128/0x3b0 fs/btrfs/volumes.c:3344 __btrfs_balance+0x1c16/0x27d0 fs/btrfs/volumes.c:4092 btrfs_balance+0xbd4/0x10c0 fs/btrfs/volumes.c:4468 btrfs_ioctl_balance+0x493/0x7c0 fs/btrfs/ioctl.c:4531 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb3bc585d29 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:00007fb3bd3af038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb3bc775fa0 RCX: 00007fb3bc585d29 RDX: 0000000020000c40 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007fb3bc601aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb3bc775fa0 R15: 00007ffd53026668