[ 32.654691][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 32.662887][ T74] bridge0: port 2(bridge_slave_1) entered blocking state [ 32.669888][ T74] bridge0: port 2(bridge_slave_1) entered forwarding state [ 32.677365][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 32.685194][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 32.698321][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 33.292265][ T260] device bridge_slave_1 left promiscuous mode [ 33.298405][ T260] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.305839][ T260] device bridge_slave_0 left promiscuous mode [ 33.311967][ T260] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.1.116' (ECDSA) to the list of known hosts. 2021/12/13 12:13:52 parsed 1 programs [ 39.264012][ T23] kauditd_printk_skb: 65 callbacks suppressed [ 39.264016][ T23] audit: type=1400 audit(1639397632.649:148): avc: denied { mounton } for pid=401 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 39.268698][ T401] cgroup: Unknown subsys name 'net' [ 39.298977][ T401] cgroup: Unknown subsys name 'devices' [ 39.305315][ T401] cgroup: Unknown subsys name 'hugetlb' 2021/12/13 12:13:52 executed programs: 0 [ 39.310952][ T401] cgroup: Unknown subsys name 'rlimit' [ 39.317074][ T23] audit: type=1400 audit(1639397632.709:149): avc: denied { mounton } for pid=401 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 39.364640][ T23] audit: type=1400 audit(1639397632.709:150): avc: denied { mount } for pid=401 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 39.388942][ T23] audit: type=1400 audit(1639397632.719:151): avc: denied { mounton } for pid=406 comm="syz-executor.1" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 39.413685][ T23] audit: type=1400 audit(1639397632.719:152): avc: denied { module_request } for pid=406 comm="syz-executor.1" kmod="netdev-nr1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 39.438269][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.445753][ T409] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.453141][ T409] device bridge_slave_0 entered promiscuous mode [ 39.475685][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.482913][ T412] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.490475][ T412] device bridge_slave_0 entered promiscuous mode [ 39.497244][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.504461][ T409] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.511659][ T409] device bridge_slave_1 entered promiscuous mode [ 39.525279][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.532420][ T412] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.539600][ T412] device bridge_slave_1 entered promiscuous mode [ 39.555700][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.562738][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.570022][ T406] device bridge_slave_0 entered promiscuous mode [ 39.578522][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.585741][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.593349][ T406] device bridge_slave_1 entered promiscuous mode [ 39.625783][ T415] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.633287][ T415] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.640565][ T415] device bridge_slave_0 entered promiscuous mode [ 39.648991][ T415] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.656372][ T415] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.663744][ T415] device bridge_slave_1 entered promiscuous mode [ 39.685903][ T414] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.692980][ T414] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.700299][ T414] device bridge_slave_0 entered promiscuous mode [ 39.726703][ T414] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.733895][ T414] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.741293][ T414] device bridge_slave_1 entered promiscuous mode [ 39.765673][ T409] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.773031][ T409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.780633][ T409] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.787784][ T409] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.796968][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.804465][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.812212][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.819301][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.831970][ T416] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.839281][ T416] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.846670][ T416] device bridge_slave_0 entered promiscuous mode [ 39.857501][ T412] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.865104][ T412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.872469][ T412] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.879463][ T412] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.912133][ T416] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.919367][ T416] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.927167][ T416] device bridge_slave_1 entered promiscuous mode [ 39.940604][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.948212][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.955401][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.963200][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.970292][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.978652][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.987418][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.995624][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.004114][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.011646][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.032241][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.040071][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.048676][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.057302][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.067178][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.075414][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.082427][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.089684][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.097841][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.104852][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.112319][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.120285][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.139047][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.146631][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.154185][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.163428][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.170424][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.177793][ T418] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.185960][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.192969][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.212151][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.219736][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.227397][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.234893][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.243599][ T108] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.250606][ T108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.258380][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.266558][ T108] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.274004][ T108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.281662][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.289797][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.310218][ T23] audit: type=1400 audit(1639397633.689:153): avc: denied { mount } for pid=406 comm="syz-executor.1" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 40.334816][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.343510][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.352443][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.360907][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.369671][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.377948][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.386018][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.394655][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.403139][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.410955][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.419090][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.426206][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.433526][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.441560][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.448686][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.455953][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.463892][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.471879][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.483785][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.491702][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.499877][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.508317][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.542642][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.551714][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.560402][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.569865][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.582837][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.591116][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.604053][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.612407][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.620613][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.629815][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.638353][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.646817][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.655408][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.663714][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.672643][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.681316][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.689886][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.698909][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.707488][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.719678][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.753009][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.761548][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.771245][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.782451][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.790830][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.800340][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.844775][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.864686][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.878721][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.887497][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.896544][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.903669][ T374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.910948][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.919885][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.927967][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.935267][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.943027][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.951813][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.968927][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.977414][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.985905][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.994222][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.002978][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.011519][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 175.292156][ T25] INFO: task syz-executor.2:1001 blocked for more than 122 seconds. [ 175.300162][ T25] Not tainted 5.10.84-syzkaller #0 [ 175.305884][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 175.314663][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 175.323864][ T25] Call Trace: [ 175.327137][ T25] __schedule+0x6e4/0x1910 [ 175.331707][ T25] ? io_schedule_timeout+0x150/0x150 [ 175.337374][ T25] ? tctx_inflight+0x71/0x230 [ 175.342452][ T25] ? prepare_to_wait+0xdf/0x290 [ 175.347287][ T25] ? io_poll_rewait+0x470/0x470 [ 175.352153][ T25] schedule+0xdb/0x280 [ 175.356214][ T25] __io_uring_task_cancel+0x192/0x220 [ 175.361854][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 175.367709][ T25] ? wait_woken+0x1c0/0x1c0 [ 175.372431][ T25] ? __kasan_check_read+0x11/0x20 [ 175.377473][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 175.384007][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 175.389366][ T25] bprm_execve+0x113/0x13d0 [ 175.393874][ T25] ? get_arg_page+0x110/0x1c0 [ 175.398628][ T25] ? acct_arg_size+0xe0/0xe0 [ 175.403504][ T25] ? open_exec+0x50/0x50 [ 175.408072][ T25] ? put_user_page+0x10e/0x160 [ 175.412947][ T25] ? copy_string_kernel+0xe8/0x260 [ 175.418047][ T25] do_execveat_common+0x553/0x730 [ 175.423249][ T25] ? bprm_execve+0x13d0/0x13d0 [ 175.428016][ T25] ? getname_flags.part.0+0x8c/0x480 [ 175.433498][ T25] ? __kasan_check_write+0x14/0x20 [ 175.438657][ T25] __x64_sys_execve+0x8a/0xb0 [ 175.443516][ T25] do_syscall_64+0x32/0x80 [ 175.448282][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 175.454578][ T25] RIP: 0033:0x7ff953003ae9 [ 175.459581][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 175.468174][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 175.476137][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 175.484101][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 175.492176][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 175.500555][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 175.509465][ T25] NMI backtrace for cpu 0 [ 175.514158][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 175.522113][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.532334][ T25] Call Trace: [ 175.535603][ T25] dump_stack_lvl+0x81/0xac [ 175.540421][ T25] dump_stack+0x10/0x12 [ 175.545409][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 175.550834][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 175.556100][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 175.562059][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 175.568515][ T25] watchdog+0x8db/0xb60 [ 175.572777][ T25] ? reset_hung_task_detector+0x30/0x30 [ 175.579071][ T25] ? __kasan_check_read+0x11/0x20 [ 175.584369][ T25] ? __kthread_parkme+0x78/0x140 [ 175.589449][ T25] ? schedule+0xf2/0x280 [ 175.593744][ T25] ? reset_hung_task_detector+0x30/0x30 [ 175.599252][ T25] kthread+0x345/0x420 [ 175.603286][ T25] ? schedule_tail+0xe9/0x1e0 [ 175.608118][ T25] ? kthread_bind_mask+0x10/0x10 [ 175.613200][ T25] ret_from_fork+0x1f/0x30 [ 175.617665][ T25] Sending NMI from CPU 0 to CPUs 1: [ 175.623040][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x16a/0x1c0 [ 195.772203][ T25] INFO: task syz-executor.2:1001 blocked for more than 143 seconds. [ 195.780185][ T25] Not tainted 5.10.84-syzkaller #0 [ 195.786036][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 195.794705][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 195.803901][ T25] Call Trace: [ 195.807165][ T25] __schedule+0x6e4/0x1910 [ 195.811543][ T25] ? io_schedule_timeout+0x150/0x150 [ 195.816824][ T25] ? tctx_inflight+0x71/0x230 [ 195.821470][ T25] ? prepare_to_wait+0xdf/0x290 [ 195.826319][ T25] ? io_poll_rewait+0x470/0x470 [ 195.831157][ T25] schedule+0xdb/0x280 [ 195.835355][ T25] __io_uring_task_cancel+0x192/0x220 [ 195.840901][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 195.846562][ T25] ? wait_woken+0x1c0/0x1c0 [ 195.851043][ T25] ? __kasan_check_read+0x11/0x20 [ 195.856071][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 195.862385][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 195.867726][ T25] bprm_execve+0x113/0x13d0 [ 195.872225][ T25] ? get_arg_page+0x110/0x1c0 [ 195.876878][ T25] ? acct_arg_size+0xe0/0xe0 [ 195.881653][ T25] ? open_exec+0x50/0x50 [ 195.886002][ T25] ? put_user_page+0x10e/0x160 [ 195.890749][ T25] ? copy_string_kernel+0xe8/0x260 [ 195.895859][ T25] do_execveat_common+0x553/0x730 [ 195.900861][ T25] ? bprm_execve+0x13d0/0x13d0 [ 195.905703][ T25] ? getname_flags.part.0+0x8c/0x480 [ 195.910954][ T25] ? __kasan_check_write+0x14/0x20 [ 195.916054][ T25] __x64_sys_execve+0x8a/0xb0 [ 195.920706][ T25] do_syscall_64+0x32/0x80 [ 195.925121][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 195.930985][ T25] RIP: 0033:0x7ff953003ae9 [ 195.935388][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 195.943887][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 195.951830][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 195.959802][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 195.967992][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 195.975954][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 195.983930][ T25] NMI backtrace for cpu 1 [ 195.988229][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 195.996082][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 196.006109][ T25] Call Trace: [ 196.009457][ T25] dump_stack_lvl+0x81/0xac [ 196.013926][ T25] dump_stack+0x10/0x12 [ 196.018047][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 196.023298][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 196.028470][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 196.034499][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 196.040352][ T25] watchdog+0x8db/0xb60 [ 196.044471][ T25] ? reset_hung_task_detector+0x30/0x30 [ 196.049980][ T25] ? __kasan_check_read+0x11/0x20 [ 196.054970][ T25] ? __kthread_parkme+0x78/0x140 [ 196.060656][ T25] ? schedule+0xf2/0x280 [ 196.064868][ T25] ? reset_hung_task_detector+0x30/0x30 [ 196.070382][ T25] kthread+0x345/0x420 [ 196.074418][ T25] ? schedule_tail+0xe9/0x1e0 [ 196.079059][ T25] ? kthread_bind_mask+0x10/0x10 [ 196.083960][ T25] ret_from_fork+0x1f/0x30 [ 196.088904][ T25] Sending NMI from CPU 1 to CPUs 0: [ 196.094135][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x16a/0x1c0 [ 216.252134][ T25] INFO: task syz-executor.2:1001 blocked for more than 163 seconds. [ 216.260478][ T25] Not tainted 5.10.84-syzkaller #0 [ 216.266158][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 216.275589][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 216.284931][ T25] Call Trace: [ 216.288468][ T25] __schedule+0x6e4/0x1910 [ 216.293037][ T25] ? io_schedule_timeout+0x150/0x150 [ 216.299125][ T25] ? tctx_inflight+0x71/0x230 [ 216.303908][ T25] ? prepare_to_wait+0xdf/0x290 [ 216.308998][ T25] ? io_poll_rewait+0x470/0x470 [ 216.314014][ T25] schedule+0xdb/0x280 [ 216.318070][ T25] __io_uring_task_cancel+0x192/0x220 [ 216.323465][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 216.329079][ T25] ? wait_woken+0x1c0/0x1c0 [ 216.333592][ T25] ? __kasan_check_read+0x11/0x20 [ 216.338637][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 216.344849][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 216.350273][ T25] bprm_execve+0x113/0x13d0 [ 216.354793][ T25] ? get_arg_page+0x110/0x1c0 [ 216.359440][ T25] ? acct_arg_size+0xe0/0xe0 [ 216.364105][ T25] ? open_exec+0x50/0x50 [ 216.368442][ T25] ? put_user_page+0x10e/0x160 [ 216.373429][ T25] ? copy_string_kernel+0xe8/0x260 [ 216.378723][ T25] do_execveat_common+0x553/0x730 [ 216.383771][ T25] ? bprm_execve+0x13d0/0x13d0 [ 216.388531][ T25] ? getname_flags.part.0+0x8c/0x480 [ 216.393854][ T25] ? __kasan_check_write+0x14/0x20 [ 216.398951][ T25] __x64_sys_execve+0x8a/0xb0 [ 216.403693][ T25] do_syscall_64+0x32/0x80 [ 216.408089][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 216.414217][ T25] RIP: 0033:0x7ff953003ae9 [ 216.418615][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 216.427024][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 216.434998][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 216.442956][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 216.450998][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 216.458999][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 216.466991][ T25] NMI backtrace for cpu 0 [ 216.471291][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 216.479146][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.489176][ T25] Call Trace: [ 216.492430][ T25] dump_stack_lvl+0x81/0xac [ 216.496894][ T25] dump_stack+0x10/0x12 [ 216.501014][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 216.506439][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 216.511652][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 216.517682][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 216.523623][ T25] watchdog+0x8db/0xb60 [ 216.527755][ T25] ? reset_hung_task_detector+0x30/0x30 [ 216.533352][ T25] ? __kasan_check_read+0x11/0x20 [ 216.538339][ T25] ? __kthread_parkme+0x78/0x140 [ 216.543239][ T25] ? schedule+0xf2/0x280 [ 216.547442][ T25] ? reset_hung_task_detector+0x30/0x30 [ 216.552946][ T25] kthread+0x345/0x420 [ 216.556974][ T25] ? schedule_tail+0xe9/0x1e0 [ 216.561654][ T25] ? kthread_bind_mask+0x10/0x10 [ 216.566587][ T25] ret_from_fork+0x1f/0x30 [ 216.571234][ T25] Sending NMI from CPU 0 to CPUs 1: [ 216.576464][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x16a/0x1c0 [ 236.732174][ T25] INFO: task syz-executor.2:1001 blocked for more than 184 seconds. [ 236.740528][ T25] Not tainted 5.10.84-syzkaller #0 [ 236.746268][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.755130][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 236.764337][ T25] Call Trace: [ 236.767724][ T25] __schedule+0x6e4/0x1910 [ 236.772147][ T25] ? io_schedule_timeout+0x150/0x150 [ 236.777496][ T25] ? tctx_inflight+0x71/0x230 [ 236.782350][ T25] ? prepare_to_wait+0xdf/0x290 [ 236.787176][ T25] ? io_poll_rewait+0x470/0x470 [ 236.791996][ T25] schedule+0xdb/0x280 [ 236.796062][ T25] __io_uring_task_cancel+0x192/0x220 [ 236.801412][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 236.807142][ T25] ? wait_woken+0x1c0/0x1c0 [ 236.811618][ T25] ? __kasan_check_read+0x11/0x20 [ 236.816766][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 236.822926][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 236.828620][ T25] bprm_execve+0x113/0x13d0 [ 236.833206][ T25] ? get_arg_page+0x110/0x1c0 [ 236.837862][ T25] ? acct_arg_size+0xe0/0xe0 [ 236.842537][ T25] ? open_exec+0x50/0x50 [ 236.846839][ T25] ? put_user_page+0x10e/0x160 [ 236.851565][ T25] ? copy_string_kernel+0xe8/0x260 [ 236.856773][ T25] do_execveat_common+0x553/0x730 [ 236.861785][ T25] ? bprm_execve+0x13d0/0x13d0 [ 236.866637][ T25] ? getname_flags.part.0+0x8c/0x480 [ 236.871895][ T25] ? __kasan_check_write+0x14/0x20 [ 236.877002][ T25] __x64_sys_execve+0x8a/0xb0 [ 236.881676][ T25] do_syscall_64+0x32/0x80 [ 236.886107][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 236.892082][ T25] RIP: 0033:0x7ff953003ae9 [ 236.896638][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 236.905063][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 236.913029][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 236.921149][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 236.929122][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 236.937227][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 236.945576][ T25] NMI backtrace for cpu 1 [ 236.949900][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 236.957757][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.967863][ T25] Call Trace: [ 236.971121][ T25] dump_stack_lvl+0x81/0xac [ 236.975586][ T25] dump_stack+0x10/0x12 [ 236.979711][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 236.984966][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 236.990125][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 236.996067][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 237.002050][ T25] watchdog+0x8db/0xb60 [ 237.006373][ T25] ? reset_hung_task_detector+0x30/0x30 [ 237.011888][ T25] ? __kasan_check_read+0x11/0x20 [ 237.016893][ T25] ? __kthread_parkme+0x78/0x140 [ 237.021887][ T25] ? schedule+0xf2/0x280 [ 237.026103][ T25] ? reset_hung_task_detector+0x30/0x30 [ 237.031621][ T25] kthread+0x345/0x420 [ 237.035667][ T25] ? schedule_tail+0xe9/0x1e0 [ 237.040484][ T25] ? kthread_bind_mask+0x10/0x10 [ 237.045402][ T25] ret_from_fork+0x1f/0x30 [ 237.049844][ T25] Sending NMI from CPU 1 to CPUs 0: [ 237.055102][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x16a/0x1c0 [ 257.212143][ T25] INFO: task syz-executor.2:1001 blocked for more than 204 seconds. [ 257.220259][ T25] Not tainted 5.10.84-syzkaller #0 [ 257.225913][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 257.234752][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 257.244093][ T25] Call Trace: [ 257.247529][ T25] __schedule+0x6e4/0x1910 [ 257.251914][ T25] ? io_schedule_timeout+0x150/0x150 [ 257.257297][ T25] ? tctx_inflight+0x71/0x230 [ 257.262058][ T25] ? prepare_to_wait+0xdf/0x290 [ 257.267132][ T25] ? io_poll_rewait+0x470/0x470 [ 257.271957][ T25] schedule+0xdb/0x280 [ 257.276197][ T25] __io_uring_task_cancel+0x192/0x220 [ 257.281553][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 257.287188][ T25] ? wait_woken+0x1c0/0x1c0 [ 257.291858][ T25] ? __kasan_check_read+0x11/0x20 [ 257.297040][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 257.303195][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 257.308542][ T25] bprm_execve+0x113/0x13d0 [ 257.313037][ T25] ? get_arg_page+0x110/0x1c0 [ 257.317693][ T25] ? acct_arg_size+0xe0/0xe0 [ 257.322292][ T25] ? open_exec+0x50/0x50 [ 257.326641][ T25] ? put_user_page+0x10e/0x160 [ 257.331382][ T25] ? copy_string_kernel+0xe8/0x260 [ 257.336944][ T25] do_execveat_common+0x553/0x730 [ 257.342143][ T25] ? bprm_execve+0x13d0/0x13d0 [ 257.346879][ T25] ? getname_flags.part.0+0x8c/0x480 [ 257.352175][ T25] ? __kasan_check_write+0x14/0x20 [ 257.357454][ T25] __x64_sys_execve+0x8a/0xb0 [ 257.362147][ T25] do_syscall_64+0x32/0x80 [ 257.366541][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 257.372551][ T25] RIP: 0033:0x7ff953003ae9 [ 257.377038][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 257.385476][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 257.393743][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 257.401776][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 257.409752][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 257.417716][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 257.425787][ T25] NMI backtrace for cpu 1 [ 257.430092][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 257.438027][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.448250][ T25] Call Trace: [ 257.451512][ T25] dump_stack_lvl+0x81/0xac [ 257.455977][ T25] dump_stack+0x10/0x12 [ 257.460100][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 257.465350][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 257.470511][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 257.476473][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 257.482333][ T25] watchdog+0x8db/0xb60 [ 257.486452][ T25] ? reset_hung_task_detector+0x30/0x30 [ 257.491958][ T25] ? __kasan_check_read+0x11/0x20 [ 257.497070][ T25] ? __kthread_parkme+0x78/0x140 [ 257.501982][ T25] ? schedule+0xf2/0x280 [ 257.506199][ T25] ? reset_hung_task_detector+0x30/0x30 [ 257.511823][ T25] kthread+0x345/0x420 [ 257.515878][ T25] ? schedule_tail+0xe9/0x1e0 [ 257.520528][ T25] ? kthread_bind_mask+0x10/0x10 [ 257.525451][ T25] ret_from_fork+0x1f/0x30 [ 257.529936][ T25] Sending NMI from CPU 1 to CPUs 0: [ 257.535548][ C0] NMI backtrace for cpu 0 [ 257.535551][ C0] CPU: 0 PID: 484 Comm: kworker/u4:11 Not tainted 5.10.84-syzkaller #0 [ 257.535552][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.535554][ C0] Workqueue: events_unbound toggle_allocation_gate [ 257.535557][ C0] RIP: 0010:x2apic_send_IPI+0x9c/0xf0 [ 257.535560][ C0] Code: b7 13 0f ae f0 0f ae e8 b9 00 04 00 00 41 83 fd 02 44 89 e8 48 0f 44 c1 48 c1 e2 20 b9 30 08 00 00 48 09 d0 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 5b 41 5c 41 5d 5d c3 31 d2 48 89 c6 bf 30 08 00 00 [ 257.535561][ C0] RSP: 0018:ffffc90000ce7870 EFLAGS: 00000202 [ 257.535563][ C0] RAX: 00000001000000fb RBX: ffff8881f7321158 RCX: 0000000000000830 [ 257.535565][ C0] RDX: 0000000000000001 RSI: 00000000000000fb RDI: ffffffff8559a708 [ 257.535566][ C0] RBP: ffffc90000ce7888 R08: 0000000000000001 R09: ffff8881f73577c7 [ 257.535567][ C0] R10: ffffed103ee6aef8 R11: 0000000000000000 R12: 0000000000000001 [ 257.535569][ C0] R13: 00000000000000fb R14: 0000000000000000 R15: 0000000000000001 [ 257.535571][ C0] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 257.535572][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.535573][ C0] CR2: 000000c00075b010 CR3: 000000000580f000 CR4: 00000000003506b0 [ 257.535575][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 257.535576][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 257.535577][ C0] Call Trace: [ 257.535579][ C0] native_send_call_func_single_ipi+0x52/0x70 [ 257.535580][ C0] send_call_function_single_ipi+0xa5/0x180 [ 257.535581][ C0] generic_exec_single+0xca/0x270 [ 257.535583][ C0] smp_call_function_single+0x130/0x3f0 [ 257.535584][ C0] ? text_poke_bp_batch+0x520/0x520 [ 257.535585][ C0] ? generic_exec_single+0x270/0x270 [ 257.535586][ C0] ? text_poke_bp_batch+0x520/0x520 [ 257.535587][ C0] ? flush_tlb_mm_range+0x234/0x3a0 [ 257.535589][ C0] ? kasan_check_range+0x148/0x190 [ 257.535590][ C0] smp_call_function_many_cond+0x191/0x860 [ 257.535591][ C0] ? text_poke_bp_batch+0x520/0x520 [ 257.535592][ C0] ? text_poke_loc_init+0x440/0x440 [ 257.535593][ C0] ? text_poke_bp_batch+0x520/0x520 [ 257.535594][ C0] ? __kmalloc_track_caller+0xcb/0x380 [ 257.535596][ C0] on_each_cpu+0x43/0xa0 [ 257.535597][ C0] text_poke_bp_batch+0x183/0x520 [ 257.535598][ C0] ? __text_poke+0x800/0x800 [ 257.535599][ C0] ? __jump_label_set_jump_code+0x156/0x260 [ 257.535600][ C0] ? mutex_lock+0x79/0xd0 [ 257.535602][ C0] ? __mutex_lock_slowpath+0x10/0x10 [ 257.535603][ C0] text_poke_finish+0x1a/0x30 [ 257.535604][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 257.535605][ C0] __jump_label_update+0x272/0x340 [ 257.535607][ C0] jump_label_update+0x14a/0x320 [ 257.535608][ C0] static_key_disable_cpuslocked+0x117/0x180 [ 257.535609][ C0] static_key_disable+0x16/0x30 [ 257.535610][ C0] toggle_allocation_gate+0x15f/0x2f0 [ 257.535612][ C0] ? finish_task_switch+0x131/0x7b0 [ 257.535613][ C0] ? stats_show+0x130/0x130 [ 257.535614][ C0] ? __kasan_check_read+0x11/0x20 [ 257.535615][ C0] ? read_word_at_a_time+0x12/0x20 [ 257.535616][ C0] ? strscpy+0x9a/0x2a0 [ 257.535617][ C0] process_one_work+0x635/0xf60 [ 257.535618][ C0] worker_thread+0x548/0xf20 [ 257.535620][ C0] ? rescuer_thread+0xc60/0xc60 [ 257.535621][ C0] kthread+0x345/0x420 [ 257.535622][ C0] ? schedule_tail+0xe9/0x1e0 [ 257.535623][ C0] ? kthread_bind_mask+0x10/0x10 [ 257.535624][ C0] ret_from_fork+0x1f/0x30 [ 277.692208][ T25] INFO: task syz-executor.2:1001 blocked for more than 225 seconds. [ 277.700334][ T25] Not tainted 5.10.84-syzkaller #0 [ 277.706193][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 277.714892][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 277.724269][ T25] Call Trace: [ 277.727550][ T25] __schedule+0x6e4/0x1910 [ 277.731933][ T25] ? io_schedule_timeout+0x150/0x150 [ 277.737217][ T25] ? tctx_inflight+0x71/0x230 [ 277.741989][ T25] ? prepare_to_wait+0xdf/0x290 [ 277.746899][ T25] ? io_poll_rewait+0x470/0x470 [ 277.751721][ T25] schedule+0xdb/0x280 [ 277.755787][ T25] __io_uring_task_cancel+0x192/0x220 [ 277.761134][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 277.766757][ T25] ? wait_woken+0x1c0/0x1c0 [ 277.771230][ T25] ? __kasan_check_read+0x11/0x20 [ 277.776576][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 277.782908][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 277.788269][ T25] bprm_execve+0x113/0x13d0 [ 277.792830][ T25] ? get_arg_page+0x110/0x1c0 [ 277.797503][ T25] ? acct_arg_size+0xe0/0xe0 [ 277.802199][ T25] ? open_exec+0x50/0x50 [ 277.806420][ T25] ? put_user_page+0x10e/0x160 [ 277.811298][ T25] ? copy_string_kernel+0xe8/0x260 [ 277.816409][ T25] do_execveat_common+0x553/0x730 [ 277.821560][ T25] ? bprm_execve+0x13d0/0x13d0 [ 277.826348][ T25] ? getname_flags.part.0+0x8c/0x480 [ 277.831608][ T25] ? __kasan_check_write+0x14/0x20 [ 277.836716][ T25] __x64_sys_execve+0x8a/0xb0 [ 277.841368][ T25] do_syscall_64+0x32/0x80 [ 277.845808][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 277.851921][ T25] RIP: 0033:0x7ff953003ae9 [ 277.856346][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 277.864756][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 277.872728][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 277.880758][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 277.888993][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 277.896956][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 277.905017][ T25] NMI backtrace for cpu 0 [ 277.909332][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 277.917358][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.927381][ T25] Call Trace: [ 277.930639][ T25] dump_stack_lvl+0x81/0xac [ 277.935109][ T25] dump_stack+0x10/0x12 [ 277.940967][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 277.946304][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 277.951468][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 277.957418][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 277.963273][ T25] watchdog+0x8db/0xb60 [ 277.967476][ T25] ? reset_hung_task_detector+0x30/0x30 [ 277.973004][ T25] ? __kasan_check_read+0x11/0x20 [ 277.978125][ T25] ? __kthread_parkme+0x78/0x140 [ 277.983033][ T25] ? schedule+0xf2/0x280 [ 277.987337][ T25] ? reset_hung_task_detector+0x30/0x30 [ 277.992966][ T25] kthread+0x345/0x420 [ 277.997017][ T25] ? schedule_tail+0xe9/0x1e0 [ 278.001659][ T25] ? kthread_bind_mask+0x10/0x10 [ 278.006561][ T25] ret_from_fork+0x1f/0x30 [ 278.011013][ T25] Sending NMI from CPU 0 to CPUs 1: [ 278.016233][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x16a/0x1c0 [ 298.172160][ T25] INFO: task syz-executor.2:1001 blocked for more than 245 seconds. [ 298.180145][ T25] Not tainted 5.10.84-syzkaller #0 [ 298.185843][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 298.194508][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 298.203715][ T25] Call Trace: [ 298.207247][ T25] __schedule+0x6e4/0x1910 [ 298.211794][ T25] ? io_schedule_timeout+0x150/0x150 [ 298.217107][ T25] ? tctx_inflight+0x71/0x230 [ 298.221938][ T25] ? prepare_to_wait+0xdf/0x290 [ 298.226959][ T25] ? io_poll_rewait+0x470/0x470 [ 298.231784][ T25] schedule+0xdb/0x280 [ 298.235862][ T25] __io_uring_task_cancel+0x192/0x220 [ 298.241230][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 298.246861][ T25] ? wait_woken+0x1c0/0x1c0 [ 298.251334][ T25] ? __kasan_check_read+0x11/0x20 [ 298.256370][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 298.262684][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 298.268027][ T25] bprm_execve+0x113/0x13d0 [ 298.272520][ T25] ? get_arg_page+0x110/0x1c0 [ 298.277166][ T25] ? acct_arg_size+0xe0/0xe0 [ 298.281723][ T25] ? open_exec+0x50/0x50 [ 298.286102][ T25] ? put_user_page+0x10e/0x160 [ 298.290842][ T25] ? copy_string_kernel+0xe8/0x260 [ 298.296116][ T25] do_execveat_common+0x553/0x730 [ 298.301278][ T25] ? bprm_execve+0x13d0/0x13d0 [ 298.306047][ T25] ? getname_flags.part.0+0x8c/0x480 [ 298.311397][ T25] ? __kasan_check_write+0x14/0x20 [ 298.316513][ T25] __x64_sys_execve+0x8a/0xb0 [ 298.321167][ T25] do_syscall_64+0x32/0x80 [ 298.325591][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 298.331458][ T25] RIP: 0033:0x7ff953003ae9 [ 298.335864][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 298.344381][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 298.352371][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 298.360333][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 298.368306][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 298.376266][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 298.384605][ T25] NMI backtrace for cpu 0 [ 298.389032][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 298.396943][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.406972][ T25] Call Trace: [ 298.410233][ T25] dump_stack_lvl+0x81/0xac [ 298.414698][ T25] dump_stack+0x10/0x12 [ 298.418816][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 298.424077][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 298.429254][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 298.435212][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 298.441169][ T25] watchdog+0x8db/0xb60 [ 298.445293][ T25] ? reset_hung_task_detector+0x30/0x30 [ 298.450816][ T25] ? __kasan_check_read+0x11/0x20 [ 298.455805][ T25] ? __kthread_parkme+0x78/0x140 [ 298.460777][ T25] ? schedule+0xf2/0x280 [ 298.464994][ T25] ? reset_hung_task_detector+0x30/0x30 [ 298.470500][ T25] kthread+0x345/0x420 [ 298.474528][ T25] ? schedule_tail+0xe9/0x1e0 [ 298.479166][ T25] ? kthread_bind_mask+0x10/0x10 [ 298.484067][ T25] ret_from_fork+0x1f/0x30 [ 298.488511][ T25] Sending NMI from CPU 0 to CPUs 1: [ 298.493824][ C1] NMI backtrace for cpu 1 [ 298.493827][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.84-syzkaller #0 [ 298.493828][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.493830][ C1] RIP: 0010:asm_sysvec_reschedule_ipi+0x0/0x20 [ 298.493833][ C1] Code: 00 66 0f 1f 84 00 00 00 00 00 0f 01 ca 6a ff e8 06 03 00 00 48 89 e7 e8 9e a2 de ff e9 b9 03 00 00 66 0f 1f 84 00 00 00 00 00 <0f> 01 ca 6a ff e8 e6 02 00 00 48 89 e7 e8 6e ac de ff e9 99 03 00 [ 298.493834][ C1] RSP: 0018:ffffc900000f7cc8 EFLAGS: 00000046 [ 298.493838][ C1] RAX: 0000000000004000 RBX: ffff888105ba1065 RCX: ffffffff8420b12d [ 298.493839][ C1] RDX: 1ffff110200509c0 RSI: 0000000000000008 RDI: ffff888100284e00 [ 298.493840][ C1] RBP: ffffc900000f7cf8 R08: 0000000000000000 R09: ffff888100284e07 [ 298.493842][ C1] R10: ffffed10200509c0 R11: 0000000000000001 R12: ffff888100284e00 [ 298.493843][ C1] R13: ffff8881049c1000 R14: ffff8881049c1004 R15: ffff888105ba1064 [ 298.493845][ C1] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 298.493846][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 298.493848][ C1] CR2: 000000c000763010 CR3: 000000010b475000 CR4: 00000000003506a0 [ 298.493849][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 298.493851][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 298.493852][ C1] Call Trace: [ 298.493853][ C1] ? acpi_idle_do_entry+0x16a/0x1c0 [ 298.493854][ C1] acpi_idle_enter+0x2c5/0x4b0 [ 298.493855][ C1] cpuidle_enter_state+0x19e/0x1070 [ 298.493856][ C1] ? cpuidle_enter_s2idle+0x580/0x580 [ 298.493858][ C1] ? menu_reflect+0x130/0x130 [ 298.493859][ C1] ? debug_smp_processor_id+0x17/0x20 [ 298.493860][ C1] cpuidle_enter+0x4a/0xa0 [ 298.493861][ C1] do_idle+0x3fb/0x5a0 [ 298.493862][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 298.493863][ C1] ? poll_idle+0x150/0x1d1 [ 298.493864][ C1] ? complete+0x57/0x70 [ 298.493866][ C1] cpu_startup_entry+0x1b/0x20 [ 298.493867][ C1] start_secondary+0x1bb/0x230 [ 298.493868][ C1] secondary_startup_64_no_verify+0xb0/0xbb [ 318.652173][ T25] INFO: task syz-executor.2:1001 blocked for more than 266 seconds. [ 318.660333][ T25] Not tainted 5.10.84-syzkaller #0 [ 318.666062][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 318.674737][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 318.684256][ T25] Call Trace: [ 318.687536][ T25] __schedule+0x6e4/0x1910 [ 318.691918][ T25] ? io_schedule_timeout+0x150/0x150 [ 318.697326][ T25] ? tctx_inflight+0x71/0x230 [ 318.702067][ T25] ? prepare_to_wait+0xdf/0x290 [ 318.706895][ T25] ? io_poll_rewait+0x470/0x470 [ 318.711720][ T25] schedule+0xdb/0x280 [ 318.715876][ T25] __io_uring_task_cancel+0x192/0x220 [ 318.721319][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 318.726950][ T25] ? wait_woken+0x1c0/0x1c0 [ 318.731447][ T25] ? __kasan_check_read+0x11/0x20 [ 318.736466][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 318.742966][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 318.748343][ T25] bprm_execve+0x113/0x13d0 [ 318.752856][ T25] ? get_arg_page+0x110/0x1c0 [ 318.757507][ T25] ? acct_arg_size+0xe0/0xe0 [ 318.762176][ T25] ? open_exec+0x50/0x50 [ 318.766396][ T25] ? put_user_page+0x10e/0x160 [ 318.771129][ T25] ? copy_string_kernel+0xe8/0x260 [ 318.776326][ T25] do_execveat_common+0x553/0x730 [ 318.781332][ T25] ? bprm_execve+0x13d0/0x13d0 [ 318.786120][ T25] ? getname_flags.part.0+0x8c/0x480 [ 318.791901][ T25] ? __kasan_check_write+0x14/0x20 [ 318.797008][ T25] __x64_sys_execve+0x8a/0xb0 [ 318.801666][ T25] do_syscall_64+0x32/0x80 [ 318.806526][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 318.812425][ T25] RIP: 0033:0x7ff953003ae9 [ 318.817156][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 318.825656][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 318.833761][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 318.841812][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 318.849871][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 318.857842][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 318.866022][ T25] NMI backtrace for cpu 1 [ 318.870329][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 318.878187][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.888211][ T25] Call Trace: [ 318.891469][ T25] dump_stack_lvl+0x81/0xac [ 318.895957][ T25] dump_stack+0x10/0x12 [ 318.900184][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 318.905443][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 318.910609][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 318.917069][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 318.922931][ T25] watchdog+0x8db/0xb60 [ 318.927077][ T25] ? reset_hung_task_detector+0x30/0x30 [ 318.932689][ T25] ? __kasan_check_read+0x11/0x20 [ 318.937751][ T25] ? __kthread_parkme+0x78/0x140 [ 318.942688][ T25] ? schedule+0xf2/0x280 [ 318.946929][ T25] ? reset_hung_task_detector+0x30/0x30 [ 318.952443][ T25] kthread+0x345/0x420 [ 318.956479][ T25] ? schedule_tail+0xe9/0x1e0 [ 318.961122][ T25] ? kthread_bind_mask+0x10/0x10 [ 318.966112][ T25] ret_from_fork+0x1f/0x30 [ 318.970586][ T25] Sending NMI from CPU 1 to CPUs 0: [ 318.975819][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x16a/0x1c0 [ 339.132233][ T25] INFO: task syz-executor.2:1001 blocked for more than 286 seconds. [ 339.140225][ T25] Not tainted 5.10.84-syzkaller #0 [ 339.145921][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 339.154580][ T25] task:syz-executor.2 state:D stack: 0 pid: 1001 ppid: 409 flags:0x00000004 [ 339.163904][ T25] Call Trace: [ 339.167185][ T25] __schedule+0x6e4/0x1910 [ 339.171569][ T25] ? io_schedule_timeout+0x150/0x150 [ 339.176847][ T25] ? tctx_inflight+0x71/0x230 [ 339.181496][ T25] ? prepare_to_wait+0xdf/0x290 [ 339.186468][ T25] ? io_poll_rewait+0x470/0x470 [ 339.191288][ T25] schedule+0xdb/0x280 [ 339.195341][ T25] __io_uring_task_cancel+0x192/0x220 [ 339.200686][ T25] ? __io_uring_files_cancel+0x1c0/0x1c0 [ 339.206410][ T25] ? wait_woken+0x1c0/0x1c0 [ 339.210892][ T25] ? __kasan_check_read+0x11/0x20 [ 339.215904][ T25] ? __page_pinner_migration_failed+0x8e/0x250 [ 339.222123][ T25] ? save_stack.constprop.0+0xc0/0xc0 [ 339.227457][ T25] bprm_execve+0x113/0x13d0 [ 339.231930][ T25] ? get_arg_page+0x110/0x1c0 [ 339.236590][ T25] ? acct_arg_size+0xe0/0xe0 [ 339.241149][ T25] ? open_exec+0x50/0x50 [ 339.245385][ T25] ? put_user_page+0x10e/0x160 [ 339.250121][ T25] ? copy_string_kernel+0xe8/0x260 [ 339.255223][ T25] do_execveat_common+0x553/0x730 [ 339.260221][ T25] ? bprm_execve+0x13d0/0x13d0 [ 339.265082][ T25] ? getname_flags.part.0+0x8c/0x480 [ 339.270340][ T25] ? __kasan_check_write+0x14/0x20 [ 339.275441][ T25] __x64_sys_execve+0x8a/0xb0 [ 339.280089][ T25] do_syscall_64+0x32/0x80 [ 339.284520][ T25] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 339.290389][ T25] RIP: 0033:0x7ff953003ae9 [ 339.294922][ T25] RSP: 002b:00007ff952f59188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 339.303387][ T25] RAX: ffffffffffffffda RBX: 00007ff953117020 RCX: 00007ff953003ae9 [ 339.311346][ T25] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 [ 339.319307][ T25] RBP: 00007ff95305df25 R08: 0000000000000000 R09: 0000000000000000 [ 339.327263][ T25] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 339.335312][ T25] R13: 00007ffcfb5b835f R14: 00007ff952f59300 R15: 0000000000022000 [ 339.343299][ T25] NMI backtrace for cpu 1 [ 339.347602][ T25] CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.10.84-syzkaller #0 [ 339.355454][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.365571][ T25] Call Trace: [ 339.368831][ T25] dump_stack_lvl+0x81/0xac [ 339.373296][ T25] dump_stack+0x10/0x12 [ 339.377416][ T25] nmi_cpu_backtrace.cold+0x73/0x100 [ 339.382667][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 339.387830][ T25] nmi_trigger_cpumask_backtrace+0x110/0x140 [ 339.393770][ T25] arch_trigger_cpumask_backtrace+0x14/0x20 [ 339.399633][ T25] watchdog+0x8db/0xb60 [ 339.403780][ T25] ? reset_hung_task_detector+0x30/0x30 [ 339.409312][ T25] ? __kasan_check_read+0x11/0x20 [ 339.414384][ T25] ? __kthread_parkme+0x78/0x140 [ 339.419345][ T25] ? schedule+0xf2/0x280 [ 339.423558][ T25] ? reset_hung_task_detector+0x30/0x30 [ 339.429076][ T25] kthread+0x345/0x420 [ 339.433134][ T25] ? schedule_tail+0xe9/0x1e0 [ 339.437862][ T25] ? kthread_bind_mask+0x10/0x10 [ 339.442821][ T25] ret_from_fork+0x1f/0x30 [ 339.447412][ T25] Sending NMI from CPU 1 to CPUs 0: [ 339.452698][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x16a/0x1c0