BTRFS info (device loop4): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2
BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm
BTRFS info (device loop4): using free space tree
BTRFS info (device loop4): enabling ssd optimizations
BTRFS info (device loop4): balance: start -susage=34359738372,drange=7..526332,limit=0..6
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WARNING: CPU: 0 PID: 14702 at fs/btrfs/block-group.c:2539 btrfs_create_pending_block_groups+0xd53/0xf40 fs/btrfs/block-group.c:2539
Modules linked in:
CPU: 0 PID: 14702 Comm: syz.4.1585 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:btrfs_create_pending_block_groups+0xd53/0xf40 fs/btrfs/block-group.c:2539
Code: 20 8c d1 8a ba f2 09 00 00 44 89 e1 e8 c8 54 89 06 e9 42 f7 ff ff e8 3c 4c fd fd 48 c7 c7 a0 8b d1 8a 44 89 e6 e8 6d 6e c9 fd <0f> 0b e9 43 fe ff ff e8 21 4c fd fd 48 c7 c7 a0 8b d1 8a 44 89 ee
RSP: 0018:ffffc90003f4f740 EFLAGS: 00010246
RAX: 54de5bd367468b00 RBX: 1ffff11009c9fc0b RCX: 0000000000080000
RDX: ffffc9000e6d9000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90003f4f988 R08: dffffc0000000000 R09: ffffed10171c4f34
R10: ffffed10171c4f34 R11: 1ffff110171c4f33 R12: 00000000ffffffe4
R13: 0000000000000000 R14: ffff88804e4fe058 R15: ffff8880609d0001
FS:  00007fe3d68866c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c22c3d8d40 CR3: 00000000658da000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x154/0x690 fs/btrfs/transaction.c:1012
 btrfs_inc_block_group_ro+0x62b/0x700 fs/btrfs/block-group.c:2803
 btrfs_relocate_block_group+0x450/0xd70 fs/btrfs/relocation.c:4052
 btrfs_relocate_chunk+0x126/0x3b0 fs/btrfs/volumes.c:3350
 __btrfs_balance+0x1894/0x21e0 fs/btrfs/volumes.c:4098
 btrfs_balance+0xcad/0x11b0 fs/btrfs/volumes.c:4474
 btrfs_ioctl_balance+0x49f/0x720 fs/btrfs/ioctl.c:4531
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe3d598eb69
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:00007fe3d6886038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe3d5bb5fa0 RCX: 00007fe3d598eb69
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007fe3d5a11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe3d5bb5fa0 R15: 00007fffc612f228
 </TASK>