loop0: detected capacity change from 0 to 32768 BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5352) BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d BTRFS info (device loop0): using sha256 (sha256-lib) checksum algorithm BTRFS info (device loop0): using free-space-tree BTRFS info (device loop0): checking UUID tree FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00036-gdfc0f6373094 #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 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x414/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4133 [inline] slab_alloc_node mm/slub.c:4209 [inline] kmem_cache_alloc_noprof+0x73/0x3c0 mm/slub.c:4236 alloc_extent_state+0x22/0x2f0 fs/btrfs/extent-io-tree.c:154 set_extent_bit+0x270/0x21a0 fs/btrfs/extent-io-tree.c:1079 btrfs_set_extent_bit+0x38/0x50 fs/btrfs/extent-io-tree.c:1297 btrfs_init_new_buffer fs/btrfs/extent-tree.c:5124 [inline] btrfs_alloc_tree_block+0x965/0x1290 fs/btrfs/extent-tree.c:5173 btrfs_force_cow_block+0x578/0x2460 fs/btrfs/ctree.c:517 btrfs_cow_block+0x40a/0x9a0 fs/btrfs/ctree.c:699 btrfs_search_slot+0xd11/0x2b90 fs/btrfs/ctree.c:2097 btrfs_search_prev_slot fs/btrfs/free-space-tree.c:136 [inline] add_free_space_extent+0x3a3/0xb40 fs/btrfs/free-space-tree.c:918 btrfs_add_to_free_space_tree+0x155/0x5b0 fs/btrfs/free-space-tree.c:1048 do_free_extent_accounting fs/btrfs/extent-tree.c:3003 [inline] __btrfs_free_extent+0x167b/0x4250 fs/btrfs/extent-tree.c:3372 run_delayed_tree_ref fs/btrfs/extent-tree.c:1749 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1775 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1972 [inline] __btrfs_run_delayed_refs+0xe7f/0x4130 fs/btrfs/extent-tree.c:2047 btrfs_run_delayed_refs+0xe6/0x3b0 fs/btrfs/extent-tree.c:2159 btrfs_commit_transaction+0x269/0x3950 fs/btrfs/transaction.c:2214 insert_balance_item+0xc6b/0x1590 fs/btrfs/volumes.c:3707 btrfs_balance+0x7a6/0x11b0 fs/btrfs/volumes.c:4577 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3577 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584 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: 0033:0x7f199938ebe9 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:00007f199a1be038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f19995b5fa0 RCX: 00007f199938ebe9 RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000005 RBP: 00007f199a1be090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f19995b6038 R14: 00007f19995b5fa0 R15: 00007fffc2e88028 BTRFS info (device loop0): balance: start -d -m BTRFS info (device loop0): relocating block group 6881280 flags data|metadata ------------[ cut here ]------------ BTRFS: Transaction aborted (error -28) WARNING: CPU: 0 PID: 5352 at fs/btrfs/volumes.c:3360 btrfs_remove_chunk+0x1a3c/0x2100 fs/btrfs/volumes.c:3360 Modules linked in: CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00036-gdfc0f6373094 #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_remove_chunk+0x1a3c/0x2100 fs/btrfs/volumes.c:3360 Code: d2 fd 84 c0 0f 84 6e 01 00 00 e8 1f 2e ec fd e9 c6 03 00 00 e8 15 2e ec fd 90 48 c7 c7 e0 79 ce 8b 44 89 ee e8 f5 bc af fd 90 <0f> 0b 90 90 e9 fa f7 ff ff e8 f6 2d ec fd eb 05 e8 ef 2d ec fd e8 RSP: 0018:ffffc9000d4678c0 EFLAGS: 00010246 RAX: 1dbe5f6da0b4de00 RBX: 0000000000000000 RCX: ffff888032d28000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffc9000d467ab0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: dffffc0000000000 R13: ffffffffffffffe4 R14: ffff888053014001 R15: ffff888044472378 FS: 00007f199a1be6c0(0000) GS:ffff88808d211000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1941ee5730 CR3: 0000000043252000 CR4: 0000000000352ef0 Call Trace: btrfs_relocate_chunk+0x29b/0x5c0 fs/btrfs/volumes.c:3491 __btrfs_balance+0x1860/0x23f0 fs/btrfs/volumes.c:4222 btrfs_balance+0xac2/0x11b0 fs/btrfs/volumes.c:4599 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3577 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584 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: 0033:0x7f199938ebe9 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:00007f199a1be038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f19995b5fa0 RCX: 00007f199938ebe9 RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000005 RBP: 00007f199a1be090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f19995b6038 R14: 00007f19995b5fa0 R15: 00007fffc2e88028