[ 442.030984][ T4203] Bluetooth: hci11: command 0x0406 tx timeout [ 445.337693][ T5641] chnl_net:caif_netlink_parms(): no params data found Warning: Permanently added '10.128.1.159' (ED25519) to the list of known hosts. [ 445.727204][ T5641] bridge0: port 1(bridge_slave_0) entered blocking state [ 445.734452][ T5641] bridge0: port 1(bridge_slave_0) entered disabled state [ 445.777947][ T5641] device bridge_slave_0 entered promiscuous mode [ 445.788127][ T5641] bridge0: port 2(bridge_slave_1) entered blocking state [ 445.798922][ T5641] bridge0: port 2(bridge_slave_1) entered disabled state [ 445.811298][ T5641] device bridge_slave_1 entered promiscuous mode [ 445.915952][ T5641] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 446.143692][ T5641] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program [ 446.570464][ T5641] team0: Port device team_slave_0 added [ 446.696116][ T5641] team0: Port device team_slave_1 added [ 446.738032][ T5257] Bluetooth: hci16: command 0x0409 tx timeout [ 447.047496][ T5641] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 447.132827][ T5641] 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. [ 447.350692][ T5641] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 447.428091][ T5641] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 447.450645][ T5641] 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. [ 447.736199][ T5641] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 448.164235][ T5641] device hsr_slave_0 entered promiscuous mode [ 448.178481][ T5641] device hsr_slave_1 entered promiscuous mode [ 448.193862][ T5641] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 448.206319][ T5641] Cannot create hsr debugfs directory [ 448.745507][ T5641] netdevsim netdevsim6 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 448.831091][ T4381] Bluetooth: hci16: command 0x041b tx timeout [ 448.936294][ T5641] netdevsim netdevsim6 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 449.040562][ T5641] netdevsim netdevsim6 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 449.244047][ T5641] netdevsim netdevsim6 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 449.596228][ T5641] netdevsim netdevsim6 netdevsim0: renamed from eth0 [ 449.726718][ T5641] netdevsim netdevsim6 netdevsim1: renamed from eth1 [ 449.743791][ T5641] netdevsim netdevsim6 netdevsim2: renamed from eth2 [ 449.755357][ T5641] netdevsim netdevsim6 netdevsim3: renamed from eth3 [ 450.092729][ T5641] 8021q: adding VLAN 0 to HW filter on device bond0 [ 450.165531][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 450.216032][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 450.237032][ T5641] 8021q: adding VLAN 0 to HW filter on device team0 [ 450.285772][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 450.296900][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 450.331614][ T5374] bridge0: port 1(bridge_slave_0) entered blocking state [ 450.338740][ T5374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 450.399547][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 450.412937][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 450.422655][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 450.515186][ T5374] bridge0: port 2(bridge_slave_1) entered blocking state [ 450.522321][ T5374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 450.550678][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 450.587072][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 450.689658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 450.717494][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 450.780790][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 450.789577][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 450.839085][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 450.850279][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 450.859277][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 450.907588][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 450.916836][ T4381] Bluetooth: hci16: command 0x040f tx timeout [ 450.982006][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 451.046561][ T5641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 451.788419][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 451.846124][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 451.886283][ T5641] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 452.340000][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 452.375066][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 452.479505][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 452.517795][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 452.576173][ T5641] device veth0_vlan entered promiscuous mode [ 452.589035][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 452.657163][ T5374] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 452.685913][ T5641] device veth1_vlan entered promiscuous mode [ 452.893220][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 452.956463][ T3078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 452.977078][ T5641] device veth0_macvtap entered promiscuous mode [ 452.991402][ T4379] Bluetooth: hci16: command 0x0419 tx timeout [ 453.069080][ T5641] device veth1_macvtap entered promiscuous mode [ 453.124674][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.154292][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.180634][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.195260][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.273434][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.367826][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.385717][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.411021][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.486890][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.501984][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.521903][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.532713][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.556548][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.574119][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.606443][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.647078][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.663158][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.695229][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.728977][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.771719][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.805844][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.832445][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.843511][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.861619][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.894441][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.925305][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.941944][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 453.965462][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 453.983227][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 454.009910][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.025563][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 454.059196][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.134594][ T5641] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 454.147749][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 454.173192][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 454.189564][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 454.285370][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 454.318401][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.335204][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.354467][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.439495][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.504517][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.515990][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.534298][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.549246][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.594575][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.612484][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.715067][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.773238][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.835395][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.848790][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.863101][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.898453][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.933441][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.947175][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 454.962806][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 454.976149][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 455.002759][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 455.020236][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 455.033271][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 455.050066][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 455.105973][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 455.134442][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 455.156018][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 455.175042][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 455.273171][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 455.291564][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 455.309851][ T5641] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 455.333001][ T5641] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 455.346664][ T5641] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 455.362488][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 455.385547][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 455.428021][ T5641] netdevsim netdevsim6 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 455.498921][ T5641] netdevsim netdevsim6 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 455.615206][ T5641] netdevsim netdevsim6 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 455.654788][ T5641] netdevsim netdevsim6 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 456.098342][ T5548] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 456.142802][ T5548] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 456.150588][ T5548] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 456.263987][ T5548] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 456.322364][ T5548] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 456.332042][ T5548] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 456.601688][ T27] INFO: task syz.0.26:5518 blocked for more than 143 seconds. [ 456.609612][ T27] Not tainted syzkaller #0 [ 456.689649][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 456.765525][ T27] task:syz.0.26 state:D stack:26064 pid: 5518 ppid: 5502 flags:0x00004004 [ 456.834671][ T27] Call Trace: [ 456.838003][ T27] [ 456.906652][ T27] __schedule+0x11ef/0x43c0 [ 456.938856][ T27] ? release_firmware_map_entry+0x190/0x190 [ 456.968960][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 457.027438][ T27] ? lock_chain_count+0x20/0x20 [ 457.074179][ T27] ? _raw_spin_lock_irq+0xb7/0xf0 [ 457.095529][ T27] ? _raw_spin_lock_irqsave+0x100/0x100 [ 457.134657][ T27] schedule+0x11b/0x1e0 [ 457.138867][ T27] schedule_preempt_disabled+0xf/0x20 [ 457.205076][ T27] rwsem_down_read_slowpath+0x548/0x9d0 [ 457.230768][ T27] ? down_write_killable_nested+0x90/0x90 [ 457.236730][ T27] ? read_lock_is_recursive+0x10/0x10 [ 457.266659][ T27] ? __lock_acquire+0x7d10/0x7d10 [ 457.429757][ T27] ? __rwlock_init+0x140/0x140 [ 457.525258][ T27] down_read+0x96/0x2e0 [ 457.534284][ T27] user_get_super+0x118/0x240 [ 457.606829][ T27] __se_sys_quotactl+0x46f/0x6f0 [ 457.642964][ T27] ? __x64_sys_quotactl+0xa0/0xa0 [ 457.682563][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 457.688606][ T27] ? lock_chain_count+0x20/0x20 [ 457.814601][ T27] ? vtime_user_exit+0x2c8/0x3e0 [ 457.874652][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 457.912159][ T27] do_syscall_64+0x4c/0xa0 [ 457.916629][ T27] ? clear_bhb_loop+0x30/0x80 [ 457.987288][ T27] ? clear_bhb_loop+0x30/0x80 [ 458.001094][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 458.025238][ T27] RIP: 0033:0x7fc7ef09e0b9 [ 458.053465][ T27] RSP: 002b:00007fc7ee303028 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 [ 458.116969][ T27] RAX: ffffffffffffffda RBX: 00007fc7ef2cafa0 RCX: 00007fc7ef09e0b9 [ 458.193064][ T27] RDX: 0000000000000000 RSI: 0000200000000140 RDI: ffffffff80000800 [ 458.247441][ T27] RBP: 00007fc7ef1309c4 R08: 0000000000000000 R09: 0000000000000000 [ 458.320532][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 458.374316][ T27] R13: 0000000000000000 R14: 00007fc7ef2cafa0 R15: 00007ffdd6425bd8 [ 458.419525][ T27] [ 458.423789][ T27] [ 458.423789][ T27] Showing all locks held in the system: [ 458.457329][ T27] 1 lock held by khungtaskd/27: [ 458.494411][ T27] #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 458.576986][ T27] 2 locks held by kworker/u4:5/3078: [ 458.644395][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 458.721426][ T27] #1: ffffc9000d1dfd00 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010 [ 458.806455][ T27] 2 locks held by getty/3946: [ 458.845653][ T27] #0: ffff88802c512098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 458.931142][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70 [ 458.993899][ T27] 3 locks held by syz.0.16/5280: [ 458.998877][ T27] #0: ffff8880784ba0e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 459.057465][ T27] #1: ffffc900031910f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x42d0 [ 459.142636][ T27] #2: ffffc90003191180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x180/0x1ba0 [ 459.238440][ T27] 3 locks held by syz.1.17/5300: [ 459.245053][ T27] #0: ffff8880197da0e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 459.276149][ T27] #1: ffffc900032510f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x42d0 [ 459.380184][ T27] #2: ffffc90003251180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x180/0x1ba0 [ 459.398281][ T27] 4 locks held by syz.2.18/5317: [ 459.408961][ T27] 3 locks held by syz.3.19/5334: [ 459.421419][ T27] #0: ffff88805c7420e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 459.500002][ T27] #1: ffffc900033f10f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x42d0 [ 459.526653][ T27] #2: ffffc900033f1180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x180/0x1ba0 [ 459.616833][ T27] 4 locks held by syz.4.20/5363: [ 459.626571][ T27] #0: ffff8880248920e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 459.704752][ T27] #1: ffffc900035110f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x42d0 [ 459.719510][ T27] #2: ffffc90003511180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x180/0x1ba0 [ 459.734510][ T27] #3: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 459.746736][ T27] 3 locks held by syz.5.21/5387: [ 459.754425][ T27] #0: ffff88805a9d00e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 459.774693][ T27] #1: ffffc900035d10f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x42d0 [ 459.821187][ T27] #2: ffffc900035d1180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x180/0x1ba0 [ 459.930948][ T27] 3 locks held by syz.6.22/5413: [ 459.937895][ T27] #0: ffff88802562c0e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 460.053799][ T27] #1: ffffc900036d10f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x42d0 [ 460.128681][ T27] #2: ffffc900036d1180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x180/0x1ba0 [ 460.144271][ T27] 4 locks held by syz.7.23/5443: [ 460.170570][ T27] #0: ffff888017d940e0 (&type->s_umount_key#25/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 460.193566][ T27] #1: ffffc900039d10f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x42d0 [ 460.236650][ T27] #2: ffffc900039d1180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x180/0x1ba0 [ 460.260055][ T27] #3: ffff88805e009c90 (&jl->j_commit_mutex){+.+.}-{3:3}, at: flush_commit_list+0x6de/0x1d70 [ 460.291105][ T27] 4 locks held by syz.8.24/5468: [ 460.296085][ T27] 4 locks held by syz.9.25/5493: [ 460.339913][ T27] 1 lock held by syz.0.26/5518: [ 460.357845][ T27] #0: ffff8880784ba0e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 460.411938][ T27] 1 lock held by syz.1.27/5535: [ 460.417429][ T27] #0: ffff8880197da0e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 460.539710][ T27] 3 locks held by kworker/u4:10/5548: [ 460.605918][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 460.663847][ T27] #1: ffff8880b9127888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4fe/0x7d0 [ 460.737000][ T27] #2: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 460.769489][ T27] 1 lock held by syz.2.28/5561: [ 460.828862][ T27] #0: ffff88801eacc0e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 460.848898][ T27] 1 lock held by syz.3.29/5579: [ 460.890081][ T27] #0: ffff88805c7420e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 460.938547][ T27] 1 lock held by syz.4.30/5603: [ 460.956747][ T27] #0: ffff8880248920e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 461.015608][ T27] 1 lock held by syz.5.31/5634: [ 461.050400][ T27] #0: ffff88805a9d00e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 461.133474][ T27] 1 lock held by syz-executor241/5656: [ 461.147278][ T27] #0: ffff8880784ba0e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 461.164184][ T27] 1 lock held by syz.6.32/5669: [ 461.178908][ T27] #0: ffff88802562c0e0 (&type->s_umount_key#53){.+.+}-{3:3}, at: user_get_super+0x118/0x240 [ 461.212640][ T27] [ 461.215078][ T27] ============================================= [ 461.215078][ T27] [ 461.265647][ T27] NMI backtrace for cpu 1 [ 461.270026][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 461.277328][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 461.287565][ T27] Call Trace: [ 461.290857][ T27] [ 461.293800][ T27] dump_stack_lvl+0x188/0x250 [ 461.298496][ T27] ? show_regs_print_info+0x20/0x20 [ 461.303981][ T27] ? load_image+0x400/0x400 [ 461.308583][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0 [ 461.313975][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0 [ 461.319109][ T27] nmi_cpu_backtrace+0x3a2/0x3d0 [ 461.324063][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 461.330229][ T27] ? _printk+0xda/0x130 [ 461.334396][ T27] ? load_image+0x400/0x400 [ 461.339082][ T27] ? load_image+0x400/0x400 [ 461.343599][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 461.349684][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 461.355770][ T27] watchdog+0xe0f/0xe50 [ 461.359956][ T27] kthread+0x436/0x520 [ 461.364034][ T27] ? hungtask_pm_notify+0x40/0x40 [ 461.369067][ T27] ? kthread_blkcg+0xd0/0xd0 [ 461.373680][ T27] ret_from_fork+0x1f/0x30 [ 461.378114][ T27] [ 461.382546][ T27] Sending NMI from CPU 1 to CPUs 0: [ 461.387831][ C0] NMI backtrace for cpu 0 [ 461.387845][ C0] CPU: 0 PID: 5493 Comm: syz.9.25 Not tainted syzkaller #0 [ 461.387864][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 461.387873][ C0] RIP: 0010:trace_rcu_utilization+0x0/0x1a0 [ 461.387895][ C0] Code: c7 c1 64 e4 89 8d 80 e1 07 80 c1 03 38 c1 0f 8c de f7 ff ff 48 c7 c7 64 e4 89 8d e8 1a 49 59 00 e9 cd f7 ff ff 0f 1f 44 00 00 <41> 57 41 56 53 0f 1f 44 00 00 65 8b 05 87 31 9d 7e 83 f8 08 0f 83 [ 461.387908][ C0] RSP: 0018:ffffc90003b9e878 EFLAGS: 00000086 [ 461.387922][ C0] RAX: ffff8880b903b1c0 RBX: dffffc0000000000 RCX: e9d5ed1adfc05700 [ 461.387934][ C0] RDX: 0000000000000000 RSI: ffffffff8a79f960 RDI: ffffffff8a2c5960 [ 461.387945][ C0] RBP: ffffc90003b9e9f0 R08: ffffc90003b9eb6f R09: ffffc90003b9eb60 [ 461.387957][ C0] R10: dffffc0000000000 R11: fffff52000773d6e R12: ffff88802a3e3b80 [ 461.387969][ C0] R13: 0000000000000001 R14: ffffffff8be31820 R15: 1ffff92000773d2c [ 461.387979][ C0] FS: 00007f770b6d46c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 461.387994][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 461.388005][ C0] CR2: 00007fec331dbe00 CR3: 000000002aba4000 CR4: 00000000003506f0 [ 461.388020][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 461.388029][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 461.388039][ C0] Call Trace: [ 461.388043][ C0] [ 461.388049][ C0] rcu_note_context_switch+0xc5/0x1020 [ 461.388069][ C0] ? update_load_avg+0x507/0x1130 [ 461.388091][ C0] ? wait_rcu_exp_gp+0x30/0x30 [ 461.388106][ C0] ? __schedule+0x2ba/0x43c0 [ 461.388122][ C0] ? lockdep_hardirqs_off+0x70/0x100 [ 461.388141][ C0] __schedule+0x2ca/0x43c0 [ 461.388161][ C0] ? __queue_work+0x9e2/0xd50 [ 461.388180][ C0] ? try_to_wake_up+0x6cf/0x1050 [ 461.388197][ C0] ? release_firmware_map_entry+0x190/0x190 [ 461.388217][ C0] ? preempt_schedule+0xbc/0xd0 [ 461.388233][ C0] preempt_schedule_common+0x82/0xd0 [ 461.388249][ C0] preempt_schedule+0xbc/0xd0 [ 461.388264][ C0] ? schedule_preempt_disabled+0x20/0x20 [ 461.388279][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 461.388298][ C0] ? lock_chain_count+0x20/0x20 [ 461.388315][ C0] preempt_schedule_thunk+0x16/0x18 [ 461.388335][ C0] _raw_spin_unlock_irq+0x3c/0x40 [ 461.388349][ C0] loop_queue_rq+0x9e0/0xac0 [ 461.388368][ C0] __blk_mq_try_issue_directly+0x497/0x820 [ 461.388388][ C0] ? blk_mq_request_issue_directly+0xa0/0xa0 [ 461.388407][ C0] ? rcu_is_watching+0x11/0xa0 [ 461.388423][ C0] blk_mq_try_issue_directly+0xaf/0x270 [ 461.388442][ C0] blk_mq_submit_bio+0xfa1/0x1820 [ 461.388460][ C0] ? submit_bio_checks+0xcf1/0x1910 [ 461.388475][ C0] ? blk_mq_try_issue_list_directly+0x530/0x530 [ 461.388495][ C0] ? __submit_bio+0x820/0x820 [ 461.388511][ C0] ? blk_try_enter_queue+0x399/0x4d0 [ 461.388530][ C0] __submit_bio+0x7d1/0x820 [ 461.388548][ C0] ? rcu_lock_release+0x20/0x20 [ 461.388565][ C0] ? rcu_lock_release+0x5/0x20 [ 461.388582][ C0] submit_bio_noacct+0x6b0/0x800 [ 461.388607][ C0] ? blk_put_request+0x20/0x20 [ 461.388624][ C0] ? __bio_add_page+0x304/0x510 [ 461.388641][ C0] ? bio_add_page+0x2d6/0x460 [ 461.388657][ C0] submit_bio+0x2c1/0x560 [ 461.388671][ C0] ? guard_bio_eod+0xee/0x130 [ 461.388686][ C0] ? submit_bio_noacct+0x800/0x800 [ 461.388706][ C0] submit_bh+0x23/0x30 [ 461.388721][ C0] flush_journal_list+0x89d/0x1ba0 [ 461.388745][ C0] flush_used_journal_lists+0x12e6/0x1660 [ 461.388769][ C0] ? do_journal_end+0x2ed8/0x42d0 [ 461.388785][ C0] ? flush_journal_list+0x1ba0/0x1ba0 [ 461.388801][ C0] ? __lock_acquire+0x7d10/0x7d10 [ 461.388819][ C0] ? memset+0x1e/0x40 [ 461.388838][ C0] ? __mutex_unlock_slowpath+0x1b0/0x6c0 [ 461.388855][ C0] ? mutex_unlock+0x10/0x10 [ 461.388878][ C0] do_journal_end+0x3615/0x42d0 [ 461.388911][ C0] do_journal_begin_r+0xa5b/0x1040 [ 461.388937][ C0] ? journal_join_abort+0xe0/0xe0 [ 461.388959][ C0] journal_begin+0x148/0x350 [ 461.388976][ C0] reiserfs_fill_super+0x16a1/0x2440 [ 461.388999][ C0] ? reiserfs_kill_sb+0x140/0x140 [ 461.389013][ C0] ? snprintf+0xe5/0x140 [ 461.389028][ C0] ? vscnprintf+0x80/0x80 [ 461.389042][ C0] ? set_blocksize+0x1f3/0x370 [ 461.389057][ C0] ? sb_set_blocksize+0xa5/0xe0 [ 461.389072][ C0] mount_bdev+0x287/0x3c0 [ 461.389087][ C0] ? reiserfs_kill_sb+0x140/0x140 [ 461.389103][ C0] legacy_get_tree+0xe6/0x180 [ 461.389118][ C0] ? remove_save_link+0x3e0/0x3e0 [ 461.389134][ C0] vfs_get_tree+0x88/0x270 [ 461.389149][ C0] do_new_mount+0x24a/0xa40 [ 461.389168][ C0] __se_sys_mount+0x2e3/0x3d0 [ 461.389185][ C0] ? __x64_sys_mount+0xc0/0xc0 [ 461.389202][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 461.389217][ C0] ? __x64_sys_mount+0x1c/0xc0 [ 461.389233][ C0] do_syscall_64+0x4c/0xa0 [ 461.389246][ C0] ? clear_bhb_loop+0x30/0x80 [ 461.389260][ C0] ? clear_bhb_loop+0x30/0x80 [ 461.389275][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 461.389290][ C0] RIP: 0033:0x7f770c47034a [ 461.389304][ C0] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 461.389316][ C0] RSP: 002b:00007f770b6d3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 461.389331][ C0] RAX: ffffffffffffffda RBX: 00007f770b6d3ee0 RCX: 00007f770c47034a [ 461.389343][ C0] RDX: 0000200000000080 RSI: 0000200000000040 RDI: 00007f770b6d3ea0 [ 461.389353][ C0] RBP: 0000200000000080 R08: 00007f770b6d3ee0 R09: 000000000000800c [ 461.389364][ C0] R10: 000000000000800c R11: 0000000000000246 R12: 0000200000000040 [ 461.389374][ C0] R13: 00007f770b6d3ea0 R14: 000000000000112d R15: 0000200000000300 [ 461.389391][ C0] [ 461.980902][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 461.988044][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 461.995249][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 462.005408][ T27] Call Trace: [ 462.008708][ T27] [ 462.011639][ T27] dump_stack_lvl+0x188/0x250 [ 462.016414][ T27] ? show_regs_print_info+0x20/0x20 [ 462.021623][ T27] ? load_image+0x400/0x400 [ 462.026157][ T27] panic+0x2e5/0x810 [ 462.030069][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 462.035725][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 462.040246][ T27] ? __irq_work_queue_local+0x12c/0x190 [ 462.045997][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280 [ 462.052276][ T27] watchdog+0xe4e/0xe50 [ 462.056460][ T27] kthread+0x436/0x520 [ 462.060622][ T27] ? hungtask_pm_notify+0x40/0x40 [ 462.065658][ T27] ? kthread_blkcg+0xd0/0xd0 [ 462.070258][ T27] ret_from_fork+0x1f/0x30 [ 462.074697][ T27] [ 462.078174][ T27] Kernel Offset: disabled [ 462.082532][ T27] Rebooting in 86400 seconds..