Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. [ 58.587575][ T3633] chnl_net:caif_netlink_parms(): no params data found [ 58.626784][ T3633] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.634403][ T3633] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.642874][ T3633] device bridge_slave_0 entered promiscuous mode [ 58.651587][ T3633] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.658828][ T3633] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.666867][ T3633] device bridge_slave_1 entered promiscuous mode [ 58.687554][ T3633] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.698597][ T3633] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.721231][ T3633] team0: Port device team_slave_0 added [ 58.728835][ T3633] team0: Port device team_slave_1 added [ 58.745913][ T3633] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.752923][ T3633] 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 1560 would solve the problem. [ 58.779679][ T3633] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.792150][ T3633] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.799178][ T3633] 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 1560 would solve the problem. [ 58.825110][ T3633] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.853471][ T3633] device hsr_slave_0 entered promiscuous mode [ 58.860406][ T3633] device hsr_slave_1 entered promiscuous mode [ 58.944741][ T3633] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.954597][ T3633] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.963742][ T3633] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.972359][ T3633] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.992578][ T3633] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.999844][ T3633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.007396][ T3633] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.014629][ T3633] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.060690][ T3633] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.072860][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.082770][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.091052][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.099588][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.111587][ T3633] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.122786][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.131751][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.138876][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.162671][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.171912][ T153] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.179037][ T153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.187176][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.195787][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.204182][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.217224][ T3633] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.230829][ T3633] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.241462][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.249706][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.270128][ T3633] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.278307][ T3640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.285720][ T3640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.302032][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.320875][ T3639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.329245][ T3639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.336833][ T3639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.347505][ T3633] device veth0_vlan entered promiscuous mode [ 59.359744][ T3633] device veth1_vlan entered promiscuous mode [ 59.377683][ T3640] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.386019][ T3640] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.394238][ T3640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.404278][ T3633] device veth0_macvtap entered promiscuous mode [ 59.415754][ T3633] device veth1_macvtap entered promiscuous mode [ 59.431760][ T3633] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.440563][ T3640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.450647][ T3640] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.461416][ T3633] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.469592][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 59.480087][ T3633] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.490082][ T3633] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.499426][ T3633] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.508235][ T3633] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.542900][ T3633] loop0: detected capacity change from 0 to 32768 [ 59.553304][ T3633] BTRFS: device fsid 8ff932b8-f4e4-4b03-aed6-d7e5736fd60a devid 1 transid 8 /dev/loop0 scanned by syz-executor752 (3633) [ 59.573701][ T3633] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 59.584734][ T3633] BTRFS info (device loop0): using free space tree [ 59.604974][ T3633] BTRFS info (device loop0): enabling ssd optimizations [ 59.693923][ T27] audit: type=1800 audit(1668693109.880:2): pid=3633 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor752" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 59.772799][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 62.474474][ T3633] [ 62.476849][ T3633] ====================================================== [ 62.483861][ T3633] WARNING: possible circular locking dependency detected [ 62.490872][ T3633] 6.1.0-rc5-syzkaller-00044-gcc675d22e422 #0 Not tainted [ 62.497883][ T3633] ------------------------------------------------------ [ 62.504892][ T3633] syz-executor752/3633 is trying to acquire lock: [ 62.511300][ T3633] ffff88807afc24d8 (btrfs-root-00){.+.+}-{3:3}, at: btrfs_read_lock_root_node+0x2b4/0x400 [ 62.521247][ T3633] [ 62.521247][ T3633] but task is already holding lock: [ 62.528693][ T3633] ffff88807401ccc0 (&fs_info->reloc_mutex){+.+.}-{3:3}, at: btrfs_commit_transaction+0x13e8/0x3760 [ 62.539422][ T3633] [ 62.539422][ T3633] which lock already depends on the new lock. [ 62.539422][ T3633] [ 62.549839][ T3633] [ 62.549839][ T3633] the existing dependency chain (in reverse order) is: [ 62.558851][ T3633] [ 62.558851][ T3633] -> #4 (&fs_info->reloc_mutex){+.+.}-{3:3}: [ 62.567024][ T3633] lock_acquire+0x182/0x3c0 [ 62.572066][ T3633] __mutex_lock_common+0x1bd/0x26e0 [ 62.577811][ T3633] mutex_lock_nested+0x17/0x20 [ 62.583107][ T3633] btrfs_record_root_in_trans+0x153/0x180 [ 62.589359][ T3633] start_transaction+0x3af/0x1180 [ 62.594909][ T3633] btrfs_create_common+0x2c6/0x420 [ 62.600551][ T3633] path_openat+0x12d0/0x2df0 [ 62.605673][ T3633] do_filp_open+0x264/0x4f0 [ 62.610708][ T3633] do_sys_openat2+0x124/0x4e0 [ 62.615923][ T3633] __x64_sys_open+0x221/0x270 [ 62.621130][ T3633] do_syscall_64+0x3d/0xb0 [ 62.626090][ T3633] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.632967][ T3633] [ 62.632967][ T3633] -> #3 (btrfs_trans_num_extwriters){++++}-{0:0}: [ 62.641589][ T3633] lock_acquire+0x182/0x3c0 [ 62.646620][ T3633] join_transaction+0x19f/0xe60 [ 62.652010][ T3633] start_transaction+0x6fb/0x1180 [ 62.657578][ T3633] btrfs_create_common+0x2c6/0x420 [ 62.665217][ T3633] path_openat+0x12d0/0x2df0 [ 62.670339][ T3633] do_filp_open+0x264/0x4f0 [ 62.675456][ T3633] do_sys_openat2+0x124/0x4e0 [ 62.680661][ T3633] __x64_sys_open+0x221/0x270 [ 62.685861][ T3633] do_syscall_64+0x3d/0xb0 [ 62.690800][ T3633] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.697225][ T3633] [ 62.697225][ T3633] -> #2 (btrfs_trans_num_writers){++++}-{0:0}: [ 62.705581][ T3633] reacquire_held_locks+0x386/0x650 [ 62.711313][ T3633] lock_release+0x2e2/0x820 [ 62.716345][ T3633] sb_end_intwrite+0x1e/0x1a0 [ 62.721553][ T3633] __btrfs_end_transaction+0x388/0x790 [ 62.727543][ T3633] btrfs_dirty_inode+0x177/0x1c0 [ 62.733018][ T3633] touch_atime+0x315/0x630 [ 62.737979][ T3633] btrfs_file_mmap+0xbb/0x120 [ 62.743280][ T3633] mmap_region+0xfe6/0x1e20 [ 62.748315][ T3633] do_mmap+0x8d9/0xf30 [ 62.752908][ T3633] vm_mmap_pgoff+0x19e/0x2b0 [ 62.758025][ T3633] ksys_mmap_pgoff+0x48c/0x6d0 [ 62.763350][ T3633] do_syscall_64+0x3d/0xb0 [ 62.768310][ T3633] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.774747][ T3633] [ 62.774747][ T3633] -> #1 (&mm->mmap_lock#2){++++}-{3:3}: [ 62.782489][ T3633] lock_acquire+0x182/0x3c0 [ 62.787517][ T3633] __might_fault+0xb2/0x110 [ 62.792542][ T3633] _copy_to_user+0x26/0x130 [ 62.797576][ T3633] btrfs_ioctl_get_subvol_rootref+0x8cf/0xa90 [ 62.804170][ T3633] btrfs_ioctl+0xb7c/0xc10 [ 62.809112][ T3633] __se_sys_ioctl+0xfb/0x170 [ 62.814314][ T3633] do_syscall_64+0x3d/0xb0 [ 62.819251][ T3633] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.825671][ T3633] [ 62.825671][ T3633] -> #0 (btrfs-root-00){.+.+}-{3:3}: [ 62.833143][ T3633] validate_chain+0x1898/0x6ae0 [ 62.838517][ T3633] __lock_acquire+0x1292/0x1f60 [ 62.843890][ T3633] lock_acquire+0x182/0x3c0 [ 62.848921][ T3633] down_read_nested+0x3c/0x50 [ 62.854116][ T3633] btrfs_read_lock_root_node+0x2b4/0x400 [ 62.860279][ T3633] btrfs_search_slot+0x495/0x2fe0 [ 62.865830][ T3633] btrfs_update_root+0xf0/0xc60 [ 62.871217][ T3633] commit_fs_roots+0x4d3/0x710 [ 62.876503][ T3633] btrfs_commit_transaction+0x147f/0x3760 [ 62.882747][ T3633] sync_filesystem+0x1bc/0x220 [ 62.888037][ T3633] generic_shutdown_super+0x6b/0x310 [ 62.893840][ T3633] kill_anon_super+0x36/0x60 [ 62.898947][ T3633] btrfs_kill_super+0x3d/0x50 [ 62.904146][ T3633] deactivate_locked_super+0xa7/0xf0 [ 62.909953][ T3633] cleanup_mnt+0x494/0x520 [ 62.914893][ T3633] task_work_run+0x243/0x300 [ 62.920010][ T3633] do_exit+0x664/0x2070 [ 62.924689][ T3633] do_group_exit+0x1fd/0x2b0 [ 62.929811][ T3633] __x64_sys_exit_group+0x3b/0x40 [ 62.935365][ T3633] do_syscall_64+0x3d/0xb0 [ 62.940307][ T3633] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.946729][ T3633] [ 62.946729][ T3633] other info that might help us debug this: [ 62.946729][ T3633] [ 62.957209][ T3633] Chain exists of: [ 62.957209][ T3633] btrfs-root-00 --> btrfs_trans_num_extwriters --> &fs_info->reloc_mutex [ 62.957209][ T3633] [ 62.971550][ T3633] Possible unsafe locking scenario: [ 62.971550][ T3633] [ 62.978995][ T3633] CPU0 CPU1 [ 62.984359][ T3633] ---- ---- [ 62.989727][ T3633] lock(&fs_info->reloc_mutex); [ 62.994678][ T3633] lock(btrfs_trans_num_extwriters); [ 63.002566][ T3633] lock(&fs_info->reloc_mutex); [ 63.010020][ T3633] lock(btrfs-root-00); [ 63.014259][ T3633] [ 63.014259][ T3633] *** DEADLOCK *** [ 63.014259][ T3633] [ 63.022396][ T3633] 5 locks held by syz-executor752/3633: [ 63.027932][ T3633] #0: ffff8880733660e0 (&type->s_umount_key#45){++++}-{3:3}, at: deactivate_super+0x96/0xd0 [ 63.038124][ T3633] #1: ffff88807401e3f0 (btrfs_trans_completed){.+.+}-{0:0}, at: btrfs_commit_transaction+0x130f/0x3760 [ 63.049274][ T3633] #2: ffff88807401e3c8 (btrfs_trans_super_committed){.+.+}-{0:0}, at: btrfs_commit_transaction+0x133e/0x3760 [ 63.061465][ T3633] #3: ffff88807401e3a0 (btrfs_trans_unblocked){.+.+}-{0:0}, at: btrfs_commit_transaction+0x136d/0x3760 [ 63.072610][ T3633] #4: ffff88807401ccc0 (&fs_info->reloc_mutex){+.+.}-{3:3}, at: btrfs_commit_transaction+0x13e8/0x3760 [ 63.083753][ T3633] [ 63.083753][ T3633] stack backtrace: [ 63.089637][ T3633] CPU: 0 PID: 3633 Comm: syz-executor752 Not tainted 6.1.0-rc5-syzkaller-00044-gcc675d22e422 #0 [ 63.100044][ T3633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 63.110098][ T3633] Call Trace: [ 63.113378][ T3633] [ 63.116312][ T3633] dump_stack_lvl+0x1b1/0x28e [ 63.121004][ T3633] ? nf_tcp_handle_invalid+0x62e/0x62e [ 63.126467][ T3633] ? print_circular_bug+0x13e/0x1c0 [ 63.131672][ T3633] check_noncircular+0x2cc/0x390 [ 63.136620][ T3633] ? add_chain_block+0x850/0x850 [ 63.141559][ T3633] ? lockdep_lock+0x102/0x290 [ 63.146240][ T3633] ? _find_first_zero_bit+0xe8/0x110 [ 63.151614][ T3633] validate_chain+0x1898/0x6ae0 [ 63.156478][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.161854][ T3633] ? validate_chain+0x177/0x6ae0 [ 63.166796][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.172174][ T3633] ? unwind_get_return_address+0x48/0x80 [ 63.177813][ T3633] ? hlock_conflict+0x54/0x1f0 [ 63.182579][ T3633] ? __bfs+0x369/0x700 [ 63.186650][ T3633] ? check_path+0x40/0x40 [ 63.190982][ T3633] ? noop_count+0x30/0x30 [ 63.195313][ T3633] ? validate_chain+0x177/0x6ae0 [ 63.200263][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.205636][ T3633] ? check_path+0x21/0x40 [ 63.209965][ T3633] ? check_noncircular+0x1aa/0x390 [ 63.215085][ T3633] ? add_chain_block+0x850/0x850 [ 63.220024][ T3633] ? lockdep_lock+0x102/0x290 [ 63.224700][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.230076][ T3633] ? lockdep_unlock+0x144/0x2e0 [ 63.234927][ T3633] ? lockdep_lock+0x290/0x290 [ 63.239612][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.244986][ T3633] ? _find_first_zero_bit+0xe8/0x110 [ 63.250276][ T3633] ? validate_chain+0x1478/0x6ae0 [ 63.255318][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.260704][ T3633] ? validate_chain+0x177/0x6ae0 [ 63.265652][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.271027][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.276401][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.281866][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.287499][ T3633] ? reacquire_held_locks+0x650/0x650 [ 63.293141][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.298776][ T3633] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 63.304761][ T3633] ? __stack_depot_save+0x41c/0x4a0 [ 63.309966][ T3633] ? trace_lock_release+0x95/0x220 [ 63.315085][ T3633] ? stack_trace_save+0x1e0/0x1e0 [ 63.320114][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.325745][ T3633] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 63.331727][ T3633] ? rcu_lock_release+0x5/0x20 [ 63.336502][ T3633] ? read_lock_is_recursive+0x10/0x10 [ 63.341879][ T3633] ? rcu_lock_release+0x5/0x20 [ 63.346644][ T3633] ? __lock_acquire+0x1f60/0x1f60 [ 63.351680][ T3633] ? deref_stack_reg+0x17a/0x210 [ 63.356621][ T3633] ? stack_trace_save+0x1e0/0x1e0 [ 63.361649][ T3633] ? stack_trace_save+0x1e0/0x1e0 [ 63.366684][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.372325][ T3633] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 63.378325][ T3633] ? rcu_lock_release+0x5/0x20 [ 63.383100][ T3633] ? read_lock_is_recursive+0x10/0x10 [ 63.388478][ T3633] ? stack_trace_save+0x1e0/0x1e0 [ 63.393505][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.399139][ T3633] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 63.405121][ T3633] ? rcu_lock_release+0x5/0x20 [ 63.409893][ T3633] ? read_lock_is_recursive+0x10/0x10 [ 63.415269][ T3633] ? rcu_lock_release+0x5/0x20 [ 63.420037][ T3633] ? __lock_acquire+0x1f60/0x1f60 [ 63.425065][ T3633] ? deref_stack_reg+0x17a/0x210 [ 63.430008][ T3633] ? stack_trace_save+0x1e0/0x1e0 [ 63.435034][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.440741][ T3633] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 63.446761][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.452410][ T3633] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 63.458411][ T3633] ? mark_lock+0x9a/0x350 [ 63.462747][ T3633] __lock_acquire+0x1292/0x1f60 [ 63.467611][ T3633] lock_acquire+0x182/0x3c0 [ 63.472115][ T3633] ? btrfs_read_lock_root_node+0x2b4/0x400 [ 63.477928][ T3633] ? read_lock_is_recursive+0x10/0x10 [ 63.483301][ T3633] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 63.489200][ T3633] ? __lock_acquire+0x1f60/0x1f60 [ 63.494225][ T3633] ? __might_sleep+0xc0/0xc0 [ 63.498813][ T3633] ? stack_trace_save+0x104/0x1e0 [ 63.503858][ T3633] down_read_nested+0x3c/0x50 [ 63.508543][ T3633] ? btrfs_read_lock_root_node+0x2b4/0x400 [ 63.514375][ T3633] btrfs_read_lock_root_node+0x2b4/0x400 [ 63.520027][ T3633] ? btrfs_commit_transaction+0x147f/0x3760 [ 63.525934][ T3633] ? kill_anon_super+0x36/0x60 [ 63.530711][ T3633] ? btrfs_kill_super+0x3d/0x50 [ 63.535587][ T3633] btrfs_search_slot+0x495/0x2fe0 [ 63.540632][ T3633] ? btrfs_update_root+0xb9/0xc60 [ 63.545683][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.551341][ T3633] ? btrfs_find_item+0x560/0x560 [ 63.556301][ T3633] ? rcu_read_lock_sched_held+0x87/0x110 [ 63.561946][ T3633] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 63.567937][ T3633] ? kmem_cache_alloc+0x85/0x300 [ 63.572898][ T3633] btrfs_update_root+0xf0/0xc60 [ 63.577765][ T3633] ? __lock_acquire+0x1f60/0x1f60 [ 63.582794][ T3633] ? btrfs_set_root_node+0x330/0x330 [ 63.588091][ T3633] ? tag_get+0x4b/0x80 [ 63.592176][ T3633] ? __add_reloc_root+0x3a0/0x3a0 [ 63.597219][ T3633] ? do_raw_spin_unlock+0x134/0x8a0 [ 63.602431][ T3633] ? btrfs_set_root_node+0x23/0x330 [ 63.607640][ T3633] commit_fs_roots+0x4d3/0x710 [ 63.612424][ T3633] ? create_pending_snapshots+0x1e0/0x1e0 [ 63.618328][ T3633] ? do_raw_spin_unlock+0x134/0x8a0 [ 63.623532][ T3633] btrfs_commit_transaction+0x147f/0x3760 [ 63.629287][ T3633] ? btrfs_commit_transaction_async+0x440/0x440 [ 63.635558][ T3633] ? join_transaction+0xc45/0xe60 [ 63.640598][ T3633] ? join_transaction+0xc1f/0xe60 [ 63.645633][ T3633] ? btrfs_record_root_in_trans+0x8e/0x180 [ 63.651454][ T3633] ? start_transaction+0x3da/0x1180 [ 63.656673][ T3633] ? btrfs_sync_fs+0x11d/0x4a0 [ 63.661451][ T3633] sync_filesystem+0x1bc/0x220 [ 63.666226][ T3633] generic_shutdown_super+0x6b/0x310 [ 63.671512][ T3633] kill_anon_super+0x36/0x60 [ 63.676102][ T3633] btrfs_kill_super+0x3d/0x50 [ 63.680780][ T3633] deactivate_locked_super+0xa7/0xf0 [ 63.686067][ T3633] cleanup_mnt+0x494/0x520 [ 63.690484][ T3633] ? lockdep_hardirqs_on+0x8d/0x130 [ 63.695692][ T3633] task_work_run+0x243/0x300 [ 63.700298][ T3633] ? task_work_cancel+0x290/0x290 [ 63.705334][ T3633] ? do_exit+0x65f/0x2070 [ 63.709671][ T3633] do_exit+0x664/0x2070 [ 63.713833][ T3633] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 63.719814][ T3633] ? mm_update_next_owner+0x6d0/0x6d0 [ 63.725197][ T3633] ? print_irqtrace_events+0x220/0x220 [ 63.730679][ T3633] ? _raw_spin_unlock_irq+0x1f/0x40 [ 63.735874][ T3633] ? lockdep_hardirqs_on+0x8d/0x130 [ 63.741078][ T3633] do_group_exit+0x1fd/0x2b0 [ 63.745675][ T3633] __x64_sys_exit_group+0x3b/0x40 [ 63.750704][ T3633] do_syscall_64+0x3d/0xb0 [ 63.755134][ T3633] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.761029][ T3633] RIP: 0033:0x7fb314f445b9 [ 63.765444][ T3633] Code: Unable to access opcode bytes at 0x7fb314f4458f. [ 63.772455][ T3633] RSP: 002b:00007ffdb2d112f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.780866][ T3633] RAX: ffffffffffffffda RBX: 00007fb314fc2410 RCX: 00007fb314f445b9 [ 63.788843][ T3633] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 63.796810][ T3633] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000000000 [ 63.804785][ T3633] R10: 0000000000010012 R11: 0000000000000246 R12: 00007fb314fc2410 [ 63.812757][ T3633] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 63.820739][ T3633] [