Warning: Permanently added '[localhost]:15389' (ED25519) to the list of known hosts. 2025/12/11 08:38:00 parsed 1 programs syzkaller login: [ 89.747142][ T5328] cgroup: Unknown subsys name 'net' [ 89.834937][ T5328] cgroup: Unknown subsys name 'cpuset' [ 89.839899][ T5328] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 91.580161][ T5328] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.931863][ T9] cfg80211: failed to load regulatory.db [ 96.903998][ T5347] chnl_net:caif_netlink_parms(): no params data found [ 97.010142][ T5347] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.014033][ T5347] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.017533][ T5347] bridge_slave_0: entered allmulticast mode [ 97.022259][ T5347] bridge_slave_0: entered promiscuous mode [ 97.028271][ T5347] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.031991][ T5347] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.035216][ T5347] bridge_slave_1: entered allmulticast mode [ 97.039072][ T5347] bridge_slave_1: entered promiscuous mode [ 97.095362][ T5347] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.111585][ T5347] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.153409][ T5347] team0: Port device team_slave_0 added [ 97.161440][ T5347] team0: Port device team_slave_1 added [ 97.182741][ T5347] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.185743][ T5347] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 97.197121][ T5347] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.204213][ T5347] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.207770][ T5347] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 97.219127][ T5347] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.262400][ T5347] hsr_slave_0: entered promiscuous mode [ 97.271549][ T5347] hsr_slave_1: entered promiscuous mode [ 97.601483][ T5347] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.619157][ T5347] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.632750][ T5347] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.651940][ T5347] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.699732][ T5347] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.703116][ T5347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.706444][ T5347] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.709287][ T5347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.767397][ T5347] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.782981][ T3664] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.787136][ T3664] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.809731][ T5347] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.841867][ T4560] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.845499][ T4560] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.857748][ T4560] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.860898][ T4560] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.199720][ T5347] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.273034][ T5347] veth0_vlan: entered promiscuous mode [ 98.292972][ T5347] veth1_vlan: entered promiscuous mode [ 98.341201][ T5347] veth0_macvtap: entered promiscuous mode [ 98.355169][ T5347] veth1_macvtap: entered promiscuous mode [ 98.387373][ T5347] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.409261][ T5347] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.428833][ T4560] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.443450][ T4560] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.466419][ T4560] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.482096][ T4560] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.567084][ T5347] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 98.815729][ T3664] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.866791][ T3664] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.942061][ T3664] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.914674][ T3664] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 101.515106][ T3664] bridge_slave_1: left allmulticast mode [ 101.517861][ T3664] bridge_slave_1: left promiscuous mode [ 101.521231][ T3664] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.543432][ T3664] bridge_slave_0: left allmulticast mode [ 101.545928][ T3664] bridge_slave_0: left promiscuous mode [ 101.548549][ T3664] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.941631][ T3664] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.948777][ T3664] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.962545][ T3664] bond0 (unregistering): Released all slaves [ 102.157330][ T3664] hsr_slave_0: left promiscuous mode [ 102.191201][ T3664] hsr_slave_1: left promiscuous mode [ 102.194564][ T3664] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.197677][ T3664] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.222791][ T3664] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.226045][ T3664] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.253623][ T3664] veth1_macvtap: left promiscuous mode [ 102.256232][ T3664] veth0_macvtap: left promiscuous mode [ 102.259380][ T3664] veth1_vlan: left promiscuous mode [ 102.294046][ T3664] veth0_vlan: left promiscuous mode [ 103.045596][ T3664] team0 (unregistering): Port device team_slave_1 removed [ 103.095983][ T3664] team0 (unregistering): Port device team_slave_0 removed [ 103.569601][ T3026] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.584324][ T3026] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.662237][ T3026] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.677104][ T3026] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.346215][ T4684] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.350471][ T4684] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.354658][ T4684] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.358421][ T4684] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.364059][ T4684] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/11 08:38:21 executed programs: 0 [ 109.108061][ T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 109.112251][ T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 109.115829][ T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 109.119576][ T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 109.123670][ T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.300209][ T5473] chnl_net:caif_netlink_parms(): no params data found [ 109.360160][ T5473] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.363555][ T5473] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.366810][ T5473] bridge_slave_0: entered allmulticast mode [ 109.370375][ T5473] bridge_slave_0: entered promiscuous mode [ 109.376488][ T5473] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.379520][ T5473] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.382700][ T5473] bridge_slave_1: entered allmulticast mode [ 109.386098][ T5473] bridge_slave_1: entered promiscuous mode [ 109.408213][ T5473] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.414463][ T5473] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.436729][ T5473] team0: Port device team_slave_0 added [ 109.441250][ T5473] team0: Port device team_slave_1 added [ 109.462301][ T5473] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.464818][ T5473] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 109.476209][ T5473] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.484963][ T5473] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.488757][ T5473] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 109.500766][ T5473] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.535452][ T5473] hsr_slave_0: entered promiscuous mode [ 109.538082][ T5473] hsr_slave_1: entered promiscuous mode [ 109.993933][ T5473] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 110.012051][ T5473] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 110.022381][ T5473] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 110.042766][ T5473] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 110.084019][ T5473] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.087103][ T5473] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.090652][ T5473] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.093828][ T5473] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.226813][ T5473] 8021q: adding VLAN 0 to HW filter on device bond0 [ 110.249375][ T3232] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.254039][ T3232] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.266690][ T5473] 8021q: adding VLAN 0 to HW filter on device team0 [ 110.287530][ T3664] bridge0: port 1(bridge_slave_0) entered blocking state [ 110.290104][ T3664] bridge0: port 1(bridge_slave_0) entered forwarding state [ 110.313091][ T3664] bridge0: port 2(bridge_slave_1) entered blocking state [ 110.316140][ T3664] bridge0: port 2(bridge_slave_1) entered forwarding state [ 110.373947][ T5473] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 110.662591][ T5473] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 110.744634][ T5473] veth0_vlan: entered promiscuous mode [ 110.762934][ T5473] veth1_vlan: entered promiscuous mode [ 110.808520][ T5473] veth0_macvtap: entered promiscuous mode [ 110.828089][ T5473] veth1_macvtap: entered promiscuous mode [ 110.877089][ T5473] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 110.894138][ T5473] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 110.909358][ T3664] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.924459][ T3664] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.928076][ T3664] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 110.949090][ T3664] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 111.061401][ T2987] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.064809][ T2987] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.121892][ T2987] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.125556][ T2987] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.201887][ T46] Bluetooth: hci0: command tx timeout [ 111.697396][ T5518] loop0: detected capacity change from 0 to 32768 [ 111.722847][ T5518] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.17 (5518) [ 111.783534][ T5518] BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d [ 111.788056][ T5518] BTRFS info (device loop0): using sha256 (sha256-lib) checksum algorithm [ 112.128292][ T5518] BTRFS info (device loop0): enabling ssd optimizations [ 112.137945][ T5518] BTRFS info (device loop0): turning on async discard [ 112.151373][ T5518] BTRFS info (device loop0): enabling free space tree [ 112.248197][ T5518] FAULT_INJECTION: forcing a failure. [ 112.248197][ T5518] name failslab, interval 1, probability 0, space 0, times 1 [ 112.276005][ T5518] CPU: 0 UID: 0 PID: 5518 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 112.276024][ T5518] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 112.276030][ T5518] Call Trace: [ 112.276035][ T5518] [ 112.276041][ T5518] dump_stack_lvl+0x189/0x250 [ 112.276166][ T5518] ? __pfx____ratelimit+0x10/0x10 [ 112.276201][ T5518] ? __pfx_dump_stack_lvl+0x10/0x10 [ 112.276211][ T5518] ? __pfx__printk+0x10/0x10 [ 112.276230][ T5518] ? __pfx___might_resched+0x10/0x10 [ 112.276246][ T5518] should_fail_ex+0x414/0x560 [ 112.276295][ T5518] should_failslab+0xa8/0x100 [ 112.276309][ T5518] kmem_cache_alloc_noprof+0x88/0x710 [ 112.276323][ T5518] ? add_delayed_ref+0x118/0x1e70 [ 112.276338][ T5518] add_delayed_ref+0x118/0x1e70 [ 112.276360][ T5518] ? __pfx_set_extent_bit+0x10/0x10 [ 112.276385][ T5518] btrfs_alloc_tree_block+0xcf8/0x1220 [ 112.276433][ T5518] ? __pfx_btrfs_alloc_tree_block+0x10/0x10 [ 112.276451][ T5518] ? __lock_acquire+0x146f/0x2cf0 [ 112.276463][ T5518] ? read_extent_buffer+0x120/0x5e0 [ 112.276479][ T5518] btrfs_force_cow_block+0x578/0x2410 [ 112.276498][ T5518] ? btrfs_qgroup_trace_subtree_after_cow+0x427/0x13f0 [ 112.276523][ T5518] ? __pfx_btrfs_force_cow_block+0x10/0x10 [ 112.276544][ T5518] ? down_write_nested+0x169/0x200 [ 112.276558][ T5518] ? __pfx_down_write_nested+0x10/0x10 [ 112.276573][ T5518] btrfs_cow_block+0x3c4/0xa80 [ 112.276598][ T5518] btrfs_search_slot+0xd23/0x2ce0 [ 112.276630][ T5518] ? __pfx_btrfs_search_slot+0x10/0x10 [ 112.276649][ T5518] ? rcu_is_watching+0x15/0xb0 [ 112.276667][ T5518] btrfs_insert_empty_items+0x9c/0x190 [ 112.276684][ T5518] add_qgroup_item+0x165/0x4a0 [ 112.276693][ T5518] ? __pfx_add_qgroup_item+0x10/0x10 [ 112.276708][ T5518] ? __kmalloc_cache_noprof+0x3e2/0x700 [ 112.276718][ T5518] ? btrfs_create_qgroup+0x191/0x530 [ 112.276727][ T5518] btrfs_create_qgroup+0x1ac/0x530 [ 112.276737][ T5518] create_pending_snapshot+0x86c/0x3230 [ 112.276756][ T5518] ? __pfx_create_pending_snapshot+0x10/0x10 [ 112.276765][ T5518] ? rcu_is_watching+0x15/0xb0 [ 112.276777][ T5518] ? trace_contention_end+0x39/0x100 [ 112.276790][ T5518] ? __mutex_lock+0x335/0x1350 [ 112.276813][ T5518] ? btrfs_commit_transaction+0xf6b/0x3b10 [ 112.276843][ T5518] create_pending_snapshots+0x17c/0x1c0 [ 112.276864][ T5518] btrfs_commit_transaction+0xf78/0x3b10 [ 112.276879][ T5518] ? btrfs_commit_transaction+0x178/0x3b10 [ 112.276902][ T5518] ? __pfx_btrfs_commit_transaction+0x10/0x10 [ 112.276929][ T5518] ? __pfx_autoremove_wake_function+0x10/0x10 [ 112.276945][ T5518] ? _raw_spin_unlock+0x28/0x50 [ 112.276956][ T5518] ? btrfs_qgroup_convert_reserved_meta+0x693/0xcd0 [ 112.276975][ T5518] ? __pfx_btrfs_qgroup_convert_reserved_meta+0x10/0x10 [ 112.276990][ T5518] ? btrfs_record_root_in_trans+0x124/0x180 [ 112.277007][ T5518] btrfs_mksubvol+0xc75/0x12c0 [ 112.277027][ T5518] ? __pfx_btrfs_mksubvol+0x10/0x10 [ 112.277042][ T5518] ? mnt_get_write_access+0x213/0x280 [ 112.277059][ T5518] btrfs_mksnapshot+0xab/0xf0 [ 112.277073][ T5518] __btrfs_ioctl_snap_create+0x520/0x730 [ 112.277089][ T5518] ? __pfx___btrfs_ioctl_snap_create+0x10/0x10 [ 112.277105][ T5518] ? _copy_from_user+0x94/0xb0 [ 112.277122][ T5518] btrfs_ioctl_snap_create+0x131/0x180 [ 112.277140][ T5518] btrfs_ioctl+0x447/0xd00 [ 112.277155][ T5518] ? __pfx_btrfs_ioctl+0x10/0x10 [ 112.277169][ T5518] __se_sys_ioctl+0xfc/0x170 [ 112.277186][ T5518] do_syscall_64+0xfa/0xf80 [ 112.277202][ T5518] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.277213][ T5518] ? clear_bhb_loop+0x60/0xb0 [ 112.277227][ T5518] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.277238][ T5518] RIP: 0033:0x7f6d45b8f7c9 [ 112.277251][ T5518] 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 [ 112.277259][ T5518] RSP: 002b:00007ffc63bd07b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 112.277273][ T5518] RAX: ffffffffffffffda RBX: 00007f6d45de5fa0 RCX: 00007f6d45b8f7c9 [ 112.277281][ T5518] RDX: 0000200000001600 RSI: 0000000050009401 RDI: 0000000000000003 [ 112.277287][ T5518] RBP: 00007ffc63bd0810 R08: 0000000000000000 R09: 0000000000000000 [ 112.277293][ T5518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 112.277299][ T5518] R13: 00007f6d45de5fa0 R14: 00007f6d45de5fa0 R15: 0000000000000003 [ 112.277319][ T5518] [ 112.277529][ T5518] assertion failed: prealloc == NULL :: 0, in fs/btrfs/qgroup.c:1690 [ 112.735544][ T5518] ------------[ cut here ]------------ [ 112.740023][ T5518] kernel BUG at fs/btrfs/qgroup.c:1690! [ 112.770958][ T5518] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 112.774260][ T5518] CPU: 0 UID: 0 PID: 5518 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 112.778573][ T5518] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 112.782985][ T5518] RIP: 0010:btrfs_create_qgroup+0x52b/0x530 [ 112.785819][ T5518] Code: 24 08 e8 08 f4 6f 07 48 c7 c7 e0 49 d1 8b 48 c7 c6 40 4a d1 8b 31 d2 48 c7 c1 60 46 d1 8b 41 b8 9a 06 00 00 e8 e6 33 39 fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 112.793918][ T5518] RSP: 0018:ffffc900029af540 EFLAGS: 00010246 [ 112.796480][ T5518] RAX: 0000000000000042 RBX: 00000000fffffff4 RCX: 4c7ff4269176e000 [ 112.799874][ T5518] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 112.803554][ T5518] RBP: 0000000000000100 R08: ffffc900029af267 R09: 1ffff92000535e4c [ 112.807321][ T5518] R10: dffffc0000000000 R11: fffff52000535e4d R12: dffffc0000000000 [ 112.811036][ T5518] R13: 1ffff110001f1b1c R14: ffff888000f8d8e0 R15: ffff888038ab4800 [ 112.814745][ T5518] FS: 000055557c30d500(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000 [ 112.818869][ T5518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.821476][ T5518] CR2: 00007fb800c6e6c8 CR3: 000000001fd86000 CR4: 0000000000352ef0 [ 112.824435][ T5518] Call Trace: [ 112.825734][ T5518] [ 112.827062][ T5518] create_pending_snapshot+0x86c/0x3230 [ 112.829581][ T5518] ? __pfx_create_pending_snapshot+0x10/0x10 [ 112.832186][ T5518] ? rcu_is_watching+0x15/0xb0 [ 112.834318][ T5518] ? trace_contention_end+0x39/0x100 [ 112.836639][ T5518] ? __mutex_lock+0x335/0x1350 [ 112.838626][ T5518] ? btrfs_commit_transaction+0xf6b/0x3b10 [ 112.841108][ T5518] create_pending_snapshots+0x17c/0x1c0 [ 112.843437][ T5518] btrfs_commit_transaction+0xf78/0x3b10 [ 112.845841][ T5518] ? btrfs_commit_transaction+0x178/0x3b10 [ 112.848762][ T5518] ? __pfx_btrfs_commit_transaction+0x10/0x10 [ 112.851659][ T5518] ? __pfx_autoremove_wake_function+0x10/0x10 [ 112.854359][ T5518] ? _raw_spin_unlock+0x28/0x50 [ 112.856258][ T5518] ? btrfs_qgroup_convert_reserved_meta+0x693/0xcd0 [ 112.859183][ T5518] ? __pfx_btrfs_qgroup_convert_reserved_meta+0x10/0x10 [ 112.862138][ T5518] ? btrfs_record_root_in_trans+0x124/0x180 [ 112.864741][ T5518] btrfs_mksubvol+0xc75/0x12c0 [ 112.866755][ T5518] ? __pfx_btrfs_mksubvol+0x10/0x10 [ 112.869061][ T5518] ? mnt_get_write_access+0x213/0x280 [ 112.871405][ T5518] btrfs_mksnapshot+0xab/0xf0 [ 112.873375][ T5518] __btrfs_ioctl_snap_create+0x520/0x730 [ 112.875641][ T5518] ? __pfx___btrfs_ioctl_snap_create+0x10/0x10 [ 112.878011][ T5518] ? _copy_from_user+0x94/0xb0 [ 112.879863][ T5518] btrfs_ioctl_snap_create+0x131/0x180 [ 112.881773][ T5518] btrfs_ioctl+0x447/0xd00 [ 112.883477][ T5518] ? __pfx_btrfs_ioctl+0x10/0x10 [ 112.885371][ T5518] __se_sys_ioctl+0xfc/0x170 [ 112.887393][ T5518] do_syscall_64+0xfa/0xf80 [ 112.889502][ T5518] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.892279][ T5518] ? clear_bhb_loop+0x60/0xb0 [ 112.894430][ T5518] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.897197][ T5518] RIP: 0033:0x7f6d45b8f7c9 [ 112.899268][ T5518] 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 [ 112.907324][ T5518] RSP: 002b:00007ffc63bd07b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 112.911009][ T5518] RAX: ffffffffffffffda RBX: 00007f6d45de5fa0 RCX: 00007f6d45b8f7c9 [ 112.914540][ T5518] RDX: 0000200000001600 RSI: 0000000050009401 RDI: 0000000000000003 [ 112.918007][ T5518] RBP: 00007ffc63bd0810 R08: 0000000000000000 R09: 0000000000000000 [ 112.921251][ T5518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 112.924595][ T5518] R13: 00007f6d45de5fa0 R14: 00007f6d45de5fa0 R15: 0000000000000003 [ 112.928038][ T5518] [ 112.929371][ T5518] Modules linked in: [ 112.932382][ T5518] ---[ end trace 0000000000000000 ]--- [ 113.008058][ T5518] RIP: 0010:btrfs_create_qgroup+0x52b/0x530 [ 113.016256][ T5518] Code: 24 08 e8 08 f4 6f 07 48 c7 c7 e0 49 d1 8b 48 c7 c6 40 4a d1 8b 31 d2 48 c7 c1 60 46 d1 8b 41 b8 9a 06 00 00 e8 e6 33 39 fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 [ 113.025424][ T5518] RSP: 0018:ffffc900029af540 EFLAGS: 00010246 [ 113.028188][ T5518] RAX: 0000000000000042 RBX: 00000000fffffff4 RCX: 4c7ff4269176e000 [ 113.032095][ T5518] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 113.035263][ T5518] RBP: 0000000000000100 R08: ffffc900029af267 R09: 1ffff92000535e4c [ 113.038532][ T5518] R10: dffffc0000000000 R11: fffff52000535e4d R12: dffffc0000000000 [ 113.043654][ T5518] R13: 1ffff110001f1b1c R14: ffff888000f8d8e0 R15: ffff888038ab4800 [ 113.046934][ T5518] FS: 000055557c30d500(0000) GS:ffff88808d22f000(0000) knlGS:0000000000000000 [ 113.061933][ T5518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.064965][ T5518] CR2: 0000557ea737e138 CR3: 000000001fd86000 CR4: 0000000000352ef0 [ 113.068170][ T5518] Kernel panic - not syncing: Fatal exception [ 113.071003][ T5518] Kernel Offset: disabled [ 113.072856][ T5518] Rebooting in 86400 seconds.. VM DIAGNOSIS: 08:38:25 Registers: info registers vcpu 0 CPU#0 RAX=0000000080000001 RBX=ffffffff851fdca6 RCX=ffff88803d404980 RDX=0000000000000000 RSI=ffffffff8d9e4d23 RDI=ffffffff8be08b60 RBP=ffffc9000dda77f0 RSP=ffffc9000dda76a0 R8 =ffffc9000dda78bf R9 =0000000000000000 R10=ffffc9000dda7880 R11=fffff52001bb4f18 R12=dffffc0000000000 R13=0000000000000006 R14=ffff888030b4e000 R15=dffffc0000000000 RIP=ffffffff8b5d1df6 RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88808d22f000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd843264a8 CR3=000000001fd86000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000001000000 Opmask01=0000000001000003 Opmask02=00000000ffffffef Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffc63bd0a90 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000001a0000000d0 00000000ffffffff ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000001a0000000d0 00000000ffffffff ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6d45c15050 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6d45c1505d ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6d45c15057 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6d45c1506b ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6d45c150f1 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007f6d45c151cf ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000000d 0000000000000000 0000000000000000 0000000000000000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000420 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000000d 0000000000000000 0000000000000000 0000000000000420 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000524f525245 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00524f5252450040 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00e800a800000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000