program: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x200, 0x0) sendmsg$ETHTOOL_MSG_COALESCE_SET(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={0x0, 0x20}}, 0x0) syz_mount_image$btrfs(&(0x7f0000005100), &(0x7f00000008c0)='./file2\x00', 0x800810, &(0x7f0000000980), 0xbb, 0x50f9, 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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqwg4cCAAAAAAA+b82QlVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV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r1 = creat(&(0x7f0000001180)='./file1\x00', 0x0) pwritev(r1, &(0x7f0000000200)=[{&(0x7f0000000100)="0e", 0xc0000000}], 0x1, 0x3fc000, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$BTRFS_IOC_QGROUP_CREATE(r2, 0xc400941b, &(0x7f0000000000)={0x1}) syz_kvm_setup_cpu$x86(r2, r2, &(0x7f0000fe5000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000240)="0fc7ba0c0064f2d99f3500ba6100b80000ef66b9ad0a00000f320fc72466b9800000c00f326635000800000f300f0867dd3166b9790800000f320f01c3", 0x3d}], 0x1, 0x9, &(0x7f0000000300)=[@dstype0={0x6, 0x4}], 0x1) r3 = syz_clone(0x80200000, 0x0, 0x0, 0x0, 0x0, 0x0) statx(r2, &(0x7f0000000140)='./bus\x00', 0x800, 0x100, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000740)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xc000, &(0x7f00000001c0)={[], [{@fowner_gt={'fowner>', r4}}, {@smackfsroot}, {@permit_directio}]}, 0x1, 0x246, &(0x7f0000000ac0)="$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") r5 = creat(&(0x7f00000002c0)='./bus\x00', 0x0) lseek(r5, 0xffff, 0x0) write$FUSE_ATTR(r5, &(0x7f0000000340)={0x78}, 0x78) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt(r6, 0x84, 0x81, &(0x7f00000002c0)="1a00000002000000", 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r6, 0x84, 0x64, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r6, 0x84, 0x15, &(0x7f0000000080)={0x3}, 0x1) sendto$inet6(r6, &(0x7f0000000040)='l', 0x1, 0x0, &(0x7f0000000100)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) sendto$inet6(r6, &(0x7f00000007c0)="87", 0x1, 0x0, 0x0, 0x0) sendto$inet6(r6, &(0x7f0000000240)="1a", 0x1, 0x0, 0x0, 0x0) shutdown(r6, 0x1) r7 = open(&(0x7f0000000180)='./bus\x00', 0x14927e, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r8 = openat$vsock(0xffffffffffffff9c, 0x0, 0x202, 0x0) ioctl$TIOCGSID(r8, 0x5429, 0x0) rt_tgsigqueueinfo(r3, 0x0, 0x18, &(0x7f00000000c0)={0x15, 0x6, 0xfffff1bb}) accept4$unix(r7, 0x0, 0x0, 0x3c204d6dac2a9f48) syz_kvm_setup_cpu$x86(r8, 0xffffffffffffffff, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000500)=[@text64={0x40, 0x0}], 0x1, 0x68, 0x0, 0x0) [ 73.300168][ T5123] XFS (loop0)[ 71.284874][ T4531] Bluetooth: hci0: command tx timeout [ 72.765996][ T5112] loop0: detected capacity change from 0 to 32768 [ 72.787548][ T5112] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5112) [ 72.856998][ T5112] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 72.876267][ T5112] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm [ 72.880044][ T5112] BTRFS info (device loop0): using free-space-tree [ 73.162971][ T5113] BTRFS info (device loop0): scrub: started on devid 1 [ 73.199135][ T1070] ------------[ cut here ]------------ [ 73.201494][ T1070] BTRFS: Transaction aborted (error -28) [ 73.204208][ T1070] WARNING: CPU: 0 PID: 1070 at fs/btrfs/block-group.c:3943 btrfs_chunk_alloc+0xebe/0xf80 [ 73.208190][ T1070] Modules linked in: [ 73.209818][ T1070] CPU: 0 UID: 0 PID: 1070 Comm: kworker/u4:9 Not tainted 6.12.0-rc2-syzkaller-00291-g09f6b0c8904b #0 [ 73.215262][ T1070] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 73.219994][ T1070] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 73.223055][ T1070] RIP: 0010:btrfs_chunk_alloc+0xebe/0xf80 [ 73.225543][ T1070] Code: c0 b6 4e 8c 89 de e8 51 e2 79 fd 90 0f 0b 90 90 e9 23 fe ff ff e8 22 e8 b8 fd 90 48 c7 c7 c0 b6 4e 8c 89 de e8 33 e2 79 fd 90 <0f> 0b 90 90 e9 25 fe ff ff e8 04 e8 b8 fd 90 48 c7 c7 c0 b6 4e 8c [ 73.234677][ T1070] RSP: 0018:ffffc90002757908 EFLAGS: 00010246 [ 73.236994][ T1070] RAX: cd193b069597f300 RBX: ffffffffffffffe4 RCX: ffff8880353b4880 [ 73.240223][ T1070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.243776][ T1070] RBP: ffff888040e01b90 R08: ffffffff8155e402 R09: fffffbfff1cf9fd8 [ 73.247275][ T1070] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: ffff88804d7bf000 [ 73.250600][ T1070] R13: dffffc0000000000 R14: ffff88804b734001 R15: 0000000000000000 [ 73.253977][ T1070] FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 73.257329][ T1070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.259885][ T1070] CR2: 0000000020169000 CR3: 000000003f7fc000 CR4: 0000000000352ef0 [ 73.263695][ T1070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.267806][ T1070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.270959][ T1070] Call Trace: [ 73.272217][ T1070] [ 73.273351][ T1070] ? __warn+0x168/0x4e0 [ 73.275095][ T1070] ? btrfs_chunk_alloc+0xebe/0xf80 [ 73.277044][ T1070] ? report_bug+0x2b3/0x500 [ 73.278823][ T1070] ? btrfs_chunk_alloc+0xebe/0xf80 [ 73.280796][ T1070] ? handle_bug+0x60/0x90 [ 73.282466][ T1070] ? exc_invalid_op+0x1a/0x50 [ 73.284911][ T1070] ? asm_exc_invalid_op+0x1a/0x20 [ 73.287760][ T1070] ? __warn_printk+0x292/0x360 [ 73.289976][ T1070] ? btrfs_chunk_alloc+0xebe/0xf80 [ 73.291860][ T1070] ? btrfs_chunk_alloc+0xebd/0xf80 [ 73.293863][ T1070] flush_space+0x4c0/0xd00 [ 73.295598][ T1070] ? btrfs_async_reclaim_metadata_space+0x277/0x350 [ 73.299186][ T1070] ? do_raw_spin_lock+0x14f/0x370 [ 73.301241][ T1070] ? __pfx_flush_space+0x10/0x10 [ 73.303278][ T1070] ? btrfs_bg_type_to_factor+0x59/0xc0 [ 73.305605][ T1070] ? do_raw_spin_unlock+0x58/0x8b0 [ 73.307649][ T1070] ? btrfs_calc_reclaim_metadata_size+0xbc/0x220 [ 73.310040][ T1070] btrfs_async_reclaim_metadata_space+0x28e/0x350 [ 73.312408][ T1070] ? process_scheduled_works+0x976/0x1850 [ 73.314878][ T1070] process_scheduled_works+0xa63/0x1850 [ 73.317046][ T1070] ? __pfx_process_scheduled_works+0x10/0x10 [ 73.319690][ T1070] ? assign_work+0x364/0x3d0 [ 73.321864][ T1070] worker_thread+0x870/0xd30 [ 73.324258][ T1070] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.326756][ T1070] ? __kthread_parkme+0x169/0x1d0 [ 73.328700][ T1070] ? __pfx_worker_thread+0x10/0x10 [ 73.330685][ T1070] kthread+0x2f0/0x390 [ 73.332258][ T1070] ? __pfx_worker_thread+0x10/0x10 [ 73.334621][ T1070] ? __pfx_kthread+0x10/0x10 [ 73.336758][ T1070] ret_from_fork+0x4b/0x80 [ 73.338892][ T1070] ? __pfx_kthread+0x10/0x10 [ 73.340891][ T1070] ret_from_fork_asm+0x1a/0x30 [ 73.342865][ T1070] [ 73.344205][ T1070] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 73.347067][ T1070] CPU: 0 UID: 0 PID: 1070 Comm: kworker/u4:9 Not tainted 6.12.0-rc2-syzkaller-00291-g09f6b0c8904b #0 [ 73.352126][ T1070] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 73.356719][ T1070] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 73.359457][ T1070] Call Trace: [ 73.360709][ T1070] [ 73.361924][ T1070] dump_stack_lvl+0x241/0x360 [ 73.363827][ T1070] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.366183][ T1070] ? __pfx__printk+0x10/0x10 [ 73.368520][ T1070] ? vscnprintf+0x5d/0x90 [ 73.370697][ T1070] panic+0x349/0x880 [ 73.372524][ T1070] ? __warn+0x177/0x4e0 [ 73.374143][ T1070] ? __pfx_panic+0x10/0x10 [ 73.375970][ T1070] ? ret_from_fork_asm+0x1a/0x30 [ 73.377933][ T1070] __warn+0x34b/0x4e0 [ 73.379521][ T1070] ? btrfs_chunk_alloc+0xebe/0xf80 [ 73.381535][ T1070] report_bug+0x2b3/0x500 [ 73.383439][ T1070] ? btrfs_chunk_alloc+0xebe/0xf80 [ 73.385906][ T1070] handle_bug+0x60/0x90 [ 73.387831][ T1070] exc_invalid_op+0x1a/0x50 [ 73.389697][ T1070] asm_exc_invalid_op+0x1a/0x20 [ 73.391620][ T1070] RIP: 0010:btrfs_chunk_alloc+0xebe/0xf80 [ 73.393871][ T1070] Code: c0 b6 4e 8c 89 de e8 51 e2 79 fd 90 0f 0b 90 90 e9 23 fe ff ff e8 22 e8 b8 fd 90 48 c7 c7 c0 b6 4e 8c 89 de e8 33 e2 79 fd 90 <0f> 0b 90 90 e9 25 fe ff ff e8 04 e8 b8 fd 90 48 c7 c7 c0 b6 4e 8c [ 73.402686][ T1070] RSP: 0018:ffffc90002757908 EFLAGS: 00010246 [ 73.405252][ T1070] RAX: cd193b069597f300 RBX: ffffffffffffffe4 RCX: ffff8880353b4880 [ 73.408354][ T1070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.411402][ T1070] RBP: ffff888040e01b90 R08: ffffffff8155e402 R09: fffffbfff1cf9fd8 [ 73.414976][ T1070] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: ffff88804d7bf000 [ 73.419050][ T1070] R13: dffffc0000000000 R14: ffff88804b734001 R15: 0000000000000000 [ 73.422539][ T1070] ? __warn_printk+0x292/0x360 [ 73.424386][ T1070] ? btrfs_chunk_alloc+0xebd/0xf80 [ 73.426398][ T1070] flush_space+0x4c0/0xd00 [ 73.428194][ T1070] ? btrfs_async_reclaim_metadata_space+0x277/0x350 [ 73.430766][ T1070] ? do_raw_spin_lock+0x14f/0x370 [ 73.432777][ T1070] ? __pfx_flush_space+0x10/0x10 [ 73.435002][ T1070] ? btrfs_bg_type_to_factor+0x59/0xc0 [ 73.437455][ T1070] ? do_raw_spin_unlock+0x58/0x8b0 [ 73.439801][ T1070] ? btrfs_calc_reclaim_metadata_size+0xbc/0x220 [ 73.442543][ T1070] btrfs_async_reclaim_metadata_space+0x28e/0x350 [ 73.445096][ T1070] ? process_scheduled_works+0x976/0x1850 [ 73.447313][ T1070] process_scheduled_works+0xa63/0x1850 [ 73.449460][ T1070] ? __pfx_process_scheduled_works+0x10/0x10 [ 73.452166][ T1070] ? assign_work+0x364/0x3d0 [ 73.455026][ T1070] worker_thread+0x870/0xd30 [ 73.457575][ T1070] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.460001][ T1070] ? __kthread_parkme+0x169/0x1d0 [ 73.461996][ T1070] ? __pfx_worker_thread+0x10/0x10 [ 73.464055][ T1070] kthread+0x2f0/0x390 [ 73.465686][ T1070] ? __pfx_worker_thread+0x10/0x10 [ 73.467767][ T1070] ? __pfx_kthread+0x10/0x10 [ 73.469590][ T1070] ret_from_fork+0x4b/0x80 [ 73.471417][ T1070] ? __pfx_kthread+0x10/0x10 [ 73.473742][ T1070] ret_from_fork_asm+0x1a/0x30 [ 73.476091][ T1070] [ 73.477757][ T1070] Kernel Offset: disabled [ 73.479521][ T1070] Rebooting in 86400 seconds..