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 (5328) 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=12582912,drange=8796093022212..7,limit=10376293541461622786,limit=2..2415919104 ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5328 at fs/btrfs/block-group.c:2752 btrfs_create_pending_block_groups+0x14f9/0x1710 fs/btrfs/block-group.c:2752 Modules linked in: CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #0 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+0x14f9/0x1710 fs/btrfs/block-group.c:2752 Code: b8 fd 4c 89 f7 be 03 00 00 00 e8 42 68 e1 00 e9 86 f9 ff ff e8 18 c0 b8 fd 90 48 c7 c7 80 bf 4e 8c 44 89 f6 e8 78 b6 79 fd 90 <0f> 0b 90 90 e9 7b fe ff ff e8 f9 bf b8 fd 90 48 c7 c7 80 bf 4e 8c RSP: 0018:ffffc9000d5676a0 EFLAGS: 00010246 RAX: a70dcb46aade9f00 RBX: ffff88804e9a4001 RCX: 0000000000040000 RDX: ffffc9000d2b9000 RSI: 0000000000005439 RDI: 000000000000543a RBP: ffffc9000d567960 R08: ffffffff8155d312 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88804f5d99c0 FS: 00007f21a38fe6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005592db725018 CR3: 00000000409c2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __btrfs_end_transaction+0x150/0x630 fs/btrfs/transaction.c:1065 btrfs_inc_block_group_ro+0x648/0x700 fs/btrfs/block-group.c:3043 btrfs_relocate_block_group+0x440/0xd90 fs/btrfs/relocation.c:4035 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3377 __btrfs_balance+0x1b0f/0x26b0 fs/btrfs/volumes.c:4161 btrfs_balance+0xbdc/0x10c0 fs/btrfs/volumes.c:4538 btrfs_ioctl_balance+0x493/0x7c0 fs/btrfs/ioctl.c:3673 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f21a2b7e719 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:00007f21a38fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f21a2d35f80 RCX: 00007f21a2b7e719 RDX: 0000000020000c40 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007f21a2bf139e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f21a2d35f80 R15: 00007ffcdaf6d458