loop0: detected capacity change from 0 to 32768 BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5324) BTRFS info (device loop0): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm BTRFS info (device loop0): disk space caching is enabled BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2 BTRFS info (device loop0): rebuilding free space tree BTRFS info (device loop0): disabling free space tree BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BTRFS info (device loop0): balance: start -susage=34359738372,drange=7..526336,limit=0..6 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5324 at fs/btrfs/block-group.c:2781 btrfs_create_pending_block_groups+0x1120/0x1360 fs/btrfs/block-group.c:2781 Modules linked in: CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.16.0-rc2-syzkaller-00162-g41687a5c6f8b #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:btrfs_create_pending_block_groups+0x1120/0x1360 fs/btrfs/block-group.c:2781 Code: 48 c7 c6 40 b1 cf 8b 44 89 f2 e8 eb 6d 42 fd e9 38 fe ff ff e8 11 b1 d8 fd 90 48 c7 c7 e0 b0 cf 8b 44 89 f6 e8 b1 5b 9c fd 90 <0f> 0b 90 90 e9 19 fe ff ff e8 f2 b0 d8 fd eb 05 e8 eb b0 d8 fd 4c RSP: 0018:ffffc9000d5d76e0 EFLAGS: 00010246 RAX: c065a05b26889400 RBX: ffff8880532cc001 RCX: 0000000000100000 RDX: ffffc9000dfca000 RSI: 0000000000004eb2 RDI: 0000000000004eb3 RBP: ffffc9000d5d7958 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa9ec R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff888011d25858 FS: 00007f72a8df56c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f72acba3440 CR3: 0000000042fe7000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:3431 __btrfs_balance+0x1870/0x21d0 fs/btrfs/volumes.c:4206 btrfs_balance+0xc94/0x11d0 fs/btrfs/volumes.c:4583 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: 0033:0x7f72ac98e929 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:00007f72a8df5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f72acbb5fa0 RCX: 00007f72ac98e929 RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007f72aca10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f72acbb5fa0 R15: 00007ffe8016ec78