Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts.
2025/12/31 04:20:23 parsed 1 programs
[ 25.469433][ T28] audit: type=1400 audit(1767154823.077:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 25.490160][ T28] audit: type=1400 audit(1767154823.077:65): avc: denied { module_request } for pid=283 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1
[ 26.302246][ T28] audit: type=1400 audit(1767154823.907:66): avc: denied { mounton } for pid=292 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 26.303244][ T292] cgroup: Unknown subsys name 'net'
[ 26.325028][ T28] audit: type=1400 audit(1767154823.907:67): avc: denied { mount } for pid=292 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 26.352359][ T28] audit: type=1400 audit(1767154823.937:68): avc: denied { unmount } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 26.352508][ T292] cgroup: Unknown subsys name 'devices'
[ 26.470594][ T292] cgroup: Unknown subsys name 'hugetlb'
[ 26.476257][ T292] cgroup: Unknown subsys name 'rlimit'
[ 26.584894][ T28] audit: type=1400 audit(1767154824.187:69): avc: denied { setattr } for pid=292 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 26.608377][ T28] audit: type=1400 audit(1767154824.187:70): avc: denied { create } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 26.628899][ T28] audit: type=1400 audit(1767154824.187:71): avc: denied { write } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 26.637668][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 26.649275][ T28] audit: type=1400 audit(1767154824.187:72): avc: denied { read } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
Setting up swapspace version 1, size = 127995904 bytes
[ 26.677977][ T28] audit: type=1400 audit(1767154824.187:73): avc: denied { mounton } for pid=292 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
[ 26.714267][ T292] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 27.527368][ T301] request_module fs-gadgetfs succeeded, but still no fs?
[ 27.856151][ T311] bridge0: port 1(bridge_slave_0) entered blocking state
[ 27.863520][ T311] bridge0: port 1(bridge_slave_0) entered disabled state
[ 27.870970][ T311] device bridge_slave_0 entered promiscuous mode
[ 27.896065][ T311] bridge0: port 2(bridge_slave_1) entered blocking state
[ 27.904928][ T311] bridge0: port 2(bridge_slave_1) entered disabled state
[ 27.913127][ T311] device bridge_slave_1 entered promiscuous mode
[ 28.157279][ T311] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.164418][ T311] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 28.171762][ T311] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.178814][ T311] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 28.200275][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.207664][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.215108][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 28.222540][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 28.231793][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 28.240291][ T8] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.247421][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 28.255985][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 28.264262][ T8] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.271339][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 28.284644][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 28.293669][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 28.306755][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 28.317588][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 28.325901][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 28.334009][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 28.342411][ T311] device veth0_vlan entered promiscuous mode
2025/12/31 04:20:26 executed programs: 0
[ 28.351964][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 28.360985][ T311] device veth1_macvtap entered promiscuous mode
[ 28.370174][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 28.380118][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 28.427234][ T311] syz-executor (311) used greatest stack depth: 20768 bytes left
[ 28.595735][ T366] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.602917][ T366] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.610542][ T366] device bridge_slave_0 entered promiscuous mode
[ 28.618330][ T366] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.625455][ T366] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.632858][ T366] device bridge_slave_1 entered promiscuous mode
[ 28.646462][ T365] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.653594][ T365] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.661050][ T365] device bridge_slave_0 entered promiscuous mode
[ 28.685520][ T365] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.692626][ T365] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.700253][ T365] device bridge_slave_1 entered promiscuous mode
[ 28.822774][ T371] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.830009][ T371] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.837480][ T371] device bridge_slave_0 entered promiscuous mode
[ 28.851409][ T367] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.858458][ T367] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.865900][ T367] device bridge_slave_0 entered promiscuous mode
[ 28.877661][ T371] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.884751][ T371] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.892148][ T371] device bridge_slave_1 entered promiscuous mode
[ 28.902700][ T367] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.909810][ T367] bridge0: port 2(bridge_slave_1) entered disabled state
[ 28.917101][ T367] device bridge_slave_1 entered promiscuous mode
[ 28.962861][ T370] bridge0: port 1(bridge_slave_0) entered blocking state
[ 28.970331][ T370] bridge0: port 1(bridge_slave_0) entered disabled state
[ 28.977642][ T370] device bridge_slave_0 entered promiscuous mode
[ 28.984876][ T370] bridge0: port 2(bridge_slave_1) entered blocking state
[ 28.991977][ T370] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.000140][ T370] device bridge_slave_1 entered promiscuous mode
[ 29.154696][ T371] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.161865][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.173776][ T348] bridge0: port 2(bridge_slave_1) entered disabled state
[ 29.182323][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 29.190057][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 29.229437][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 29.239960][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 29.248172][ T348] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.255424][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 29.263048][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 29.271356][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 29.279750][ T348] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.286769][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.294285][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 29.308184][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 29.316113][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 29.350111][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 29.357830][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 29.365927][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 29.374372][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 29.383148][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 29.390843][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 29.398922][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 29.406837][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 29.415366][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 29.423865][ T348] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.430929][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 29.438246][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 29.446589][ T348] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.453624][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.460994][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 29.469127][ T348] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.476141][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 29.483553][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 29.507934][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 29.516478][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 29.525276][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 29.533876][ T348] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.540951][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 29.548574][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 29.557224][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 29.565696][ T348] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.572753][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.580343][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 29.588522][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 29.596575][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 29.604724][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 29.612805][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 29.630280][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 29.639424][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 29.647557][ T348] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.654644][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.669673][ T366] device veth0_vlan entered promiscuous mode
[ 29.685400][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 29.694129][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 29.701622][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 29.709691][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 29.717695][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 29.725396][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 29.733521][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 29.741650][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 29.756731][ T366] device veth1_macvtap entered promiscuous mode
[ 29.764908][ T365] device veth0_vlan entered promiscuous mode
[ 29.772705][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 29.780986][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 29.788388][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 29.796626][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 29.805269][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 29.813753][ T348] bridge0: port 1(bridge_slave_0) entered blocking state
[ 29.820798][ T348] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 29.828234][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 29.836336][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 29.850687][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 29.859213][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 29.870814][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 29.879359][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 29.899802][ T365] device veth1_macvtap entered promiscuous mode
[ 29.915303][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 29.923914][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 29.932343][ T348] bridge0: port 2(bridge_slave_1) entered blocking state
[ 29.939399][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 29.947343][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 29.955553][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 29.963687][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 29.971787][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 29.980161][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 29.988264][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 29.996603][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 30.007692][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 30.016199][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 30.039825][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 30.048025][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 30.056619][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 30.065171][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 30.074337][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 30.082755][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 30.091175][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 30.099210][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 30.107126][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 30.114650][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 30.132994][ T367] device veth0_vlan entered promiscuous mode
[ 30.147465][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 30.156346][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 169.728747][ T29] INFO: task kworker/1:1:39 blocked for more than 122 seconds.
[ 169.736392][ T29] Not tainted syzkaller #0
[ 169.928700][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 169.937418][ T29] task:kworker/1:1 state:D stack:25536 pid:39 ppid:2 flags:0x00004000
[ 170.318799][ T29] Workqueue: ipv6_addrconf addrconf_dad_work
[ 170.324852][ T29] Call Trace:
[ 170.328139][ T29]
[ 170.331118][ T29] __schedule+0xb87/0x14e0
[ 170.335554][ T29] ? __sched_text_start+0x8/0x8
[ 170.340453][ T29] ? __mutex_add_waiter+0xc7/0x270
[ 170.345591][ T29] ? __kasan_check_write+0x14/0x20
[ 170.350733][ T29] ? _raw_spin_unlock_irq+0x4d/0x70
[ 170.355946][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 170.361180][ T29] schedule+0xbd/0x170
[ 170.365263][ T29] schedule_preempt_disabled+0x13/0x20
[ 170.370787][ T29] __mutex_lock+0x74a/0x16d0
[ 170.375414][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 170.382223][ T29] ? update_load_avg+0x4c2/0x13f0
[ 170.387293][ T29] ? kvm_sched_clock_read+0x18/0x40
[ 170.392525][ T29] ? sched_clock+0x9/0x10
[ 170.396873][ T29] ? sched_clock_cpu+0x6e/0x250
[ 170.401756][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 170.407150][ T29] __mutex_lock_slowpath+0xe/0x10
[ 170.412207][ T29] mutex_lock+0xf8/0x1a0
[ 170.416476][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 170.421412][ T29] rtnl_lock+0x15/0x20
[ 170.425503][ T29] addrconf_dad_work+0xc4/0x14b0
[ 170.430477][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 170.435347][ T29] ? finish_task_switch+0x16b/0x7b0
[ 170.440585][ T29] ? __cfi_addrconf_dad_work+0x10/0x10
[ 170.446057][ T29] ? __schedule+0xb8f/0x14e0
[ 170.450676][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 170.456235][ T29] process_one_work+0x71f/0xc40
[ 170.461119][ T29] worker_thread+0xa29/0x11f0
[ 170.465808][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 170.471306][ T29] kthread+0x281/0x320
[ 170.475389][ T29] ? __cfi_worker_thread+0x10/0x10
[ 170.480541][ T29] ? __cfi_kthread+0x10/0x10
[ 170.485150][ T29] ret_from_fork+0x1f/0x30
[ 170.489596][ T29]
[ 170.608715][ T29] INFO: task kworker/u4:2:43 blocked for more than 123 seconds.
[ 170.616402][ T29] Not tainted syzkaller #0
[ 170.978713][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 170.987442][ T29] task:kworker/u4:2 state:D stack:23184 pid:43 ppid:2 flags:0x00004000
[ 171.218768][ T29] Workqueue: netns cleanup_net
[ 171.223607][ T29] Call Trace:
[ 171.226898][ T29]
[ 171.229868][ T29] __schedule+0xb87/0x14e0
[ 171.234305][ T29] ? __sched_text_start+0x8/0x8
[ 171.239193][ T29] ? kthread_data+0x50/0xc0
[ 171.243705][ T29] ? wq_worker_sleeping+0x64/0x280
[ 171.248856][ T29] schedule+0xbd/0x170
[ 171.252942][ T29] schedule_timeout+0xa6/0x2e0
[ 171.257716][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 171.263126][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 171.268430][ T29] wait_for_common+0x354/0x620
[ 171.273232][ T29] ? wait_for_completion+0x20/0x20
[ 171.278364][ T29] ? try_to_wake_up+0x613/0x1220
[ 171.283367][ T29] ? wake_up_process+0x10/0x20
[ 171.288152][ T29] ? insert_work+0x271/0x300
[ 171.292774][ T29] wait_for_completion+0x18/0x20
[ 171.297747][ T29] __flush_work+0x4fb/0x620
[ 171.302282][ T29] ? flush_work+0x20/0x20
[ 171.306625][ T29] ? __cfi_wq_barrier_func+0x10/0x10
[ 171.311946][ T29] ? _raw_spin_lock_irq+0x8f/0xe0
[ 171.316992][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 171.322587][ T29] flush_work+0x15/0x20
[ 171.326760][ T29] unregister_netdevice_many+0x807/0x1820
[ 171.332515][ T29] ? kobject_put+0x93/0x280
[ 171.337035][ T29] ? __cfi_device_release+0x10/0x10
[ 171.342275][ T29] ? __cfi_unregister_netdevice_many+0x10/0x10
[ 171.348446][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 171.354457][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 171.360738][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 171.366652][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 171.372931][ T29] ip_tunnel_delete_nets+0x346/0x390
[ 171.378236][ T29] ? __cfi_ip_tunnel_delete_nets+0x10/0x10
[ 171.384077][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 171.389840][ T29] vti_exit_batch_net+0x22/0x30
[ 171.394710][ T29] ? __cfi_vti_exit_batch_net+0x10/0x10
[ 171.400306][ T29] cleanup_net+0x62d/0xb00
[ 171.404749][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 171.409724][ T29] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 171.415108][ T29] process_one_work+0x71f/0xc40
[ 171.420009][ T29] worker_thread+0xa29/0x11f0
[ 171.424705][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 171.430212][ T29] kthread+0x281/0x320
[ 171.434298][ T29] ? __cfi_worker_thread+0x10/0x10
[ 171.439437][ T29] ? __cfi_kthread+0x10/0x10
[ 171.444045][ T29] ret_from_fork+0x1f/0x30
[ 171.448570][ T29]
[ 171.699091][ T29] INFO: task kworker/u4:4:348 blocked for more than 124 seconds.
[ 171.706863][ T29] Not tainted syzkaller #0
[ 172.048709][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 172.057427][ T29] task:kworker/u4:4 state:D stack:25984 pid:348 ppid:2 flags:0x00004000
[ 172.408740][ T29] Workqueue: events_unbound fsnotify_mark_destroy_workfn
[ 172.415834][ T29] Call Trace:
[ 172.419174][ T29]
[ 172.422117][ T29] __schedule+0xb87/0x14e0
[ 172.426559][ T29] ? __sched_text_start+0x8/0x8
[ 172.431530][ T29] ? kthread_data+0x50/0xc0
[ 172.436116][ T29] ? wq_worker_sleeping+0x64/0x280
[ 172.441303][ T29] schedule+0xbd/0x170
[ 172.445398][ T29] schedule_timeout+0xa6/0x2e0
[ 172.450288][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 172.455684][ T29] wait_for_common+0x354/0x620
[ 172.460485][ T29] ? wait_for_completion+0x20/0x20
[ 172.465618][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 172.470936][ T29] wait_for_completion+0x18/0x20
[ 172.475888][ T29] __synchronize_srcu+0x16c/0x1f0
[ 172.480940][ T29] ? psi_group_change+0xb73/0x12b0
[ 172.486072][ T29] ? synchronize_srcu_expedited+0x20/0x20
[ 172.491856][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 172.497354][ T29] ? __cfi_wakeme_after_rcu+0x10/0x10
[ 172.502761][ T29] ? __kasan_check_write+0x14/0x20
[ 172.507890][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 172.512618][ T29] ? ktime_get_mono_fast_ns+0x1b3/0x1d0
[ 172.518182][ T29] synchronize_srcu+0x1d9/0x1f0
[ 172.523078][ T29] fsnotify_mark_destroy_workfn+0xfe/0x2f0
[ 172.528944][ T29] ? __schedule+0xb8f/0x14e0
[ 172.533551][ T29] ? __cfi_fsnotify_mark_destroy_workfn+0x10/0x10
[ 172.539996][ T29] process_one_work+0x71f/0xc40
[ 172.545034][ T29] worker_thread+0xa29/0x11f0
[ 172.549745][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 172.555313][ T29] ? __kthread_parkme+0x142/0x180
[ 172.560400][ T29] kthread+0x281/0x320
[ 172.564482][ T29] ? __cfi_worker_thread+0x10/0x10
[ 172.569719][ T29] ? __cfi_kthread+0x10/0x10
[ 172.574320][ T29] ret_from_fork+0x1f/0x30
[ 172.578775][ T29]
[ 172.728730][ T29] INFO: task syz-executor:367 blocked for more than 125 seconds.
[ 172.736499][ T29] Not tainted syzkaller #0
[ 173.078717][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 173.087450][ T29] task:syz-executor state:D stack:22016 pid:367 ppid:364 flags:0x00004000
[ 173.318787][ T29] Call Trace:
[ 173.322120][ T29]
[ 173.325067][ T29] __schedule+0xb87/0x14e0
[ 173.329560][ T29] ? __sched_text_start+0x8/0x8
[ 173.334425][ T29] ? __kasan_check_write+0x14/0x20
[ 173.339841][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 173.344535][ T29] ? __cfi__raw_spin_lock+0x10/0x10
[ 173.349771][ T29] schedule+0xbd/0x170
[ 173.353853][ T29] schedule_preempt_disabled+0x13/0x20
[ 173.359341][ T29] __mutex_lock+0x74a/0x16d0
[ 173.363948][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 173.370742][ T29] ? selinux_capable+0x29c/0x380
[ 173.375709][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 173.381022][ T29] ? cap_capable+0x1aa/0x230
[ 173.385630][ T29] __mutex_lock_slowpath+0xe/0x10
[ 173.390775][ T29] mutex_lock+0xf8/0x1a0
[ 173.395154][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 173.400033][ T29] ? ns_capable+0x8c/0xf0
[ 173.404388][ T29] ? netlink_net_capable+0x125/0x160
[ 173.409720][ T29] rtnetlink_rcv_msg+0x8c6/0xcf0
[ 173.414681][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 173.420180][ T29] ? kernel_text_address+0xa0/0xd0
[ 173.425307][ T29] ? __kernel_text_address+0xd/0x30
[ 173.430540][ T29] ? unwind_get_return_address+0x4d/0x90
[ 173.436471][ T29] ? memcpy+0x56/0x70
[ 173.440480][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 173.445875][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 173.451633][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 173.457021][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 173.462513][ T29] ? __alloc_skb+0xea/0x4b0
[ 173.467028][ T29] ? avc_has_perm+0x158/0x240
[ 173.471821][ T29] ? __alloc_skb+0x236/0x4b0
[ 173.476430][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 173.481407][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 173.486470][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 173.491882][ T29] netlink_rcv_skb+0x1f2/0x440
[ 173.496655][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 173.502146][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 173.507451][ T29] ? __netlink_lookup+0x387/0x3b0
[ 173.512505][ T29] rtnetlink_rcv+0x1c/0x20
[ 173.516950][ T29] netlink_unicast+0x8ab/0xa30
[ 173.521763][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 173.526542][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 173.531849][ T29] ? call_rcu+0xb83/0xf90
[ 173.536197][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 173.541681][ T29] __sys_sendto+0x464/0x5e0
[ 173.546204][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 173.551267][ T29] ? blkcg_maybe_throttle_current+0x1df/0x9f0
[ 173.557353][ T29] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10
[ 173.563797][ T29] ? fput+0x15b/0x1a0
[ 173.567800][ T29] __x64_sys_sendto+0xe5/0x100
[ 173.572598][ T29] x64_sys_call+0x83/0x9a0
[ 173.577035][ T29] do_syscall_64+0x4c/0xa0
[ 173.581486][ T29] ? clear_bhb_loop+0x30/0x80
[ 173.586185][ T29] ? clear_bhb_loop+0x30/0x80
[ 173.590894][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 173.596806][ T29] RIP: 0033:0x7f485dd91583
[ 173.601279][ T29] RSP: 002b:00007fff8b38ec68 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 173.609722][ T29] RAX: ffffffffffffffda RBX: 00007f485eb14620 RCX: 00007f485dd91583
[ 173.617709][ T29] RDX: 0000000000000028 RSI: 00007f485eb14670 RDI: 0000000000000003
[ 173.625719][ T29] RBP: 0000000000000001 R08: 00007fff8b38ec84 R09: 000000000000000c
[ 173.633748][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 173.641772][ T29] R13: 0000000000000000 R14: 00007f485eb14670 R15: 0000000000000000
[ 173.649782][ T29]
[ 173.918722][ T29] INFO: task syz-executor:370 blocked for more than 126 seconds.
[ 173.926491][ T29] Not tainted syzkaller #0
[ 174.278718][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 174.287439][ T29] task:syz-executor state:D stack:22272 pid:370 ppid:368 flags:0x00004000
[ 174.628738][ T29] Call Trace:
[ 174.632063][ T29]
[ 174.635010][ T29] __schedule+0xb87/0x14e0
[ 174.639487][ T29] ? __sched_text_start+0x8/0x8
[ 174.644387][ T29] ? __mutex_add_waiter+0xc7/0x270
[ 174.649541][ T29] ? __kasan_check_write+0x14/0x20
[ 174.654662][ T29] ? trace_contention_begin+0xa0/0xa0
[ 174.660073][ T29] schedule+0xbd/0x170
[ 174.664423][ T29] schedule_preempt_disabled+0x13/0x20
[ 174.669939][ T29] __mutex_lock+0x74a/0x16d0
[ 174.674550][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 174.681377][ T29] ? selinux_capable+0x29c/0x380
[ 174.686355][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 174.691670][ T29] ? cap_capable+0x1aa/0x230
[ 174.696348][ T29] __mutex_lock_slowpath+0xe/0x10
[ 174.701426][ T29] mutex_lock+0xf8/0x1a0
[ 174.705696][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 174.710583][ T29] ? ns_capable+0x8c/0xf0
[ 174.714937][ T29] ? netlink_net_capable+0x125/0x160
[ 174.720273][ T29] rtnetlink_rcv_msg+0x8c6/0xcf0
[ 174.725234][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 174.730728][ T29] ? kernel_text_address+0xa0/0xd0
[ 174.735905][ T29] ? __kernel_text_address+0xd/0x30
[ 174.741133][ T29] ? unwind_get_return_address+0x4d/0x90
[ 174.746781][ T29] ? memcpy+0x56/0x70
[ 174.750787][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 174.756177][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 174.761928][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 174.767231][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 174.772738][ T29] ? __alloc_skb+0xea/0x4b0
[ 174.777260][ T29] ? avc_has_perm+0x158/0x240
[ 174.781967][ T29] ? __alloc_skb+0x236/0x4b0
[ 174.786571][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 174.791541][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 174.796584][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 174.801992][ T29] netlink_rcv_skb+0x1f2/0x440
[ 174.806770][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 174.812349][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 174.817646][ T29] ? __netlink_lookup+0x387/0x3b0
[ 174.822719][ T29] rtnetlink_rcv+0x1c/0x20
[ 174.827156][ T29] netlink_unicast+0x8ab/0xa30
[ 174.831953][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 174.836729][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 174.842048][ T29] ? call_rcu+0xb83/0xf90
[ 174.846401][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 174.851915][ T29] __sys_sendto+0x464/0x5e0
[ 174.856434][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 174.861506][ T29] ? blkcg_maybe_throttle_current+0x1df/0x9f0
[ 174.867591][ T29] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10
[ 174.874055][ T29] ? fput+0x15b/0x1a0
[ 174.878142][ T29] __x64_sys_sendto+0xe5/0x100
[ 174.882932][ T29] x64_sys_call+0x83/0x9a0
[ 174.887366][ T29] do_syscall_64+0x4c/0xa0
[ 174.891900][ T29] ? clear_bhb_loop+0x30/0x80
[ 174.896595][ T29] ? clear_bhb_loop+0x30/0x80
[ 174.901743][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 174.907654][ T29] RIP: 0033:0x7f5a0c391583
[ 174.912095][ T29] RSP: 002b:00007ffe575ca6f8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 174.920552][ T29] RAX: ffffffffffffffda RBX: 00007f5a0d114620 RCX: 00007f5a0c391583
[ 174.928535][ T29] RDX: 000000000000002c RSI: 00007f5a0d114670 RDI: 0000000000000003
[ 174.936538][ T29] RBP: 0000000000000001 R08: 00007ffe575ca714 R09: 000000000000000c
[ 174.944535][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 174.952542][ T29] R13: 0000000000000000 R14: 00007f5a0d114670 R15: 0000000000000000
[ 174.960547][ T29]
[ 175.128697][ T29] INFO: task syz-executor:371 blocked for more than 128 seconds.
[ 175.136460][ T29] Not tainted syzkaller #0
[ 175.468947][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 175.477674][ T29] task:syz-executor state:D stack:22720 pid:371 ppid:369 flags:0x00004000
[ 175.718753][ T29] Call Trace:
[ 175.722091][ T29]
[ 175.725034][ T29] __schedule+0xb87/0x14e0
[ 175.729501][ T29] ? __sched_text_start+0x8/0x8
[ 175.734384][ T29] ? __mutex_add_waiter+0xc7/0x270
[ 175.739539][ T29] ? __kasan_check_write+0x14/0x20
[ 175.744664][ T29] ? trace_contention_begin+0xa0/0xa0
[ 175.750071][ T29] schedule+0xbd/0x170
[ 175.754159][ T29] schedule_preempt_disabled+0x13/0x20
[ 175.759739][ T29] __mutex_lock+0x74a/0x16d0
[ 175.764349][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 175.771159][ T29] ? selinux_capable+0x29c/0x380
[ 175.776107][ T29] ? __cfi_selinux_capable+0x10/0x10
[ 175.781425][ T29] ? __schedule+0xb8f/0x14e0
[ 175.786040][ T29] ? cap_capable+0x1aa/0x230
[ 175.790669][ T29] __mutex_lock_slowpath+0xe/0x10
[ 175.795710][ T29] mutex_lock+0xf8/0x1a0
[ 175.799982][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 175.804852][ T29] ? ns_capable+0x8c/0xf0
[ 175.809207][ T29] ? netlink_net_capable+0x125/0x160
[ 175.814513][ T29] rtnetlink_rcv_msg+0x8c6/0xcf0
[ 175.819498][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 175.825150][ T29] ? kernel_text_address+0xa0/0xd0
[ 175.830302][ T29] ? __kernel_text_address+0xd/0x30
[ 175.835959][ T29] ? unwind_get_return_address+0x4d/0x90
[ 175.841630][ T29] ? memcpy+0x56/0x70
[ 175.845627][ T29] ? avc_has_perm_noaudit+0x2f4/0x460
[ 175.851030][ T29] ? __cfi_avc_has_perm_noaudit+0x10/0x10
[ 175.856773][ T29] ? slab_post_alloc_hook+0x4f/0x2d0
[ 175.862093][ T29] ? kmem_cache_alloc_node+0x181/0x340
[ 175.867570][ T29] ? __alloc_skb+0xea/0x4b0
[ 175.872104][ T29] ? avc_has_perm+0x158/0x240
[ 175.876807][ T29] ? __alloc_skb+0x236/0x4b0
[ 175.881425][ T29] ? netlink_sendmsg+0x626/0xbc0
[ 175.886383][ T29] ? __cfi_avc_has_perm+0x10/0x10
[ 175.891531][ T29] ? selinux_nlmsg_lookup+0x400/0x4c0
[ 175.896924][ T29] netlink_rcv_skb+0x1f2/0x440
[ 175.901713][ T29] ? __cfi_rtnetlink_rcv_msg+0x10/0x10
[ 175.907192][ T29] ? __cfi_netlink_rcv_skb+0x10/0x10
[ 175.912506][ T29] ? __netlink_lookup+0x387/0x3b0
[ 175.917549][ T29] rtnetlink_rcv+0x1c/0x20
[ 175.922014][ T29] netlink_unicast+0x8ab/0xa30
[ 175.926791][ T29] netlink_sendmsg+0x8aa/0xbc0
[ 175.931584][ T29] ? __cfi_netlink_sendmsg+0x10/0x10
[ 175.936879][ T29] ? call_rcu+0xb83/0xf90
[ 175.941269][ T29] ? security_socket_sendmsg+0x93/0xb0
[ 175.946743][ T29] __sys_sendto+0x464/0x5e0
[ 175.951274][ T29] ? __cfi___sys_sendto+0x10/0x10
[ 175.956317][ T29] ? blkcg_maybe_throttle_current+0x1df/0x9f0
[ 175.962418][ T29] ? __cfi_blkcg_maybe_throttle_current+0x10/0x10
[ 175.968922][ T29] ? fput+0x15b/0x1a0
[ 175.972925][ T29] __x64_sys_sendto+0xe5/0x100
[ 175.977706][ T29] x64_sys_call+0x83/0x9a0
[ 175.982167][ T29] do_syscall_64+0x4c/0xa0
[ 175.986598][ T29] ? clear_bhb_loop+0x30/0x80
[ 175.991307][ T29] ? clear_bhb_loop+0x30/0x80
[ 175.996009][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 176.001935][ T29] RIP: 0033:0x7fec53791583
[ 176.006364][ T29] RSP: 002b:00007ffdf26a4be8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 176.014811][ T29] RAX: ffffffffffffffda RBX: 00007fec54514620 RCX: 00007fec53791583
[ 176.022820][ T29] RDX: 0000000000000028 RSI: 00007fec54514670 RDI: 0000000000000003
[ 176.030823][ T29] RBP: 0000000000000001 R08: 00007ffdf26a4c04 R09: 000000000000000c
[ 176.038817][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 176.046804][ T29] R13: 0000000000000000 R14: 00007fec54514670 R15: 0000000000000000
[ 176.054813][ T29]
[ 176.318741][ T29] INFO: task kworker/0:3:411 blocked for more than 129 seconds.
[ 176.326433][ T29] Not tainted syzkaller #0
[ 176.648722][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 176.657452][ T29] task:kworker/0:3 state:D stack:24448 pid:411 ppid:2 flags:0x00004000
[ 176.998749][ T29] Workqueue: ipv6_addrconf addrconf_dad_work
[ 177.004791][ T29] Call Trace:
[ 177.008078][ T29]
[ 177.011069][ T29] __schedule+0xb87/0x14e0
[ 177.015784][ T29] ? __sched_text_start+0x8/0x8
[ 177.020703][ T29] ? _raw_spin_unlock_irq+0x4d/0x70
[ 177.025918][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 177.031238][ T29] schedule+0xbd/0x170
[ 177.035334][ T29] schedule_preempt_disabled+0x13/0x20
[ 177.040835][ T29] __mutex_lock+0x74a/0x16d0
[ 177.045443][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 177.052247][ T29] __mutex_lock_slowpath+0xe/0x10
[ 177.057334][ T29] mutex_lock+0xf8/0x1a0
[ 177.061611][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 177.066485][ T29] rtnl_lock+0x15/0x20
[ 177.070580][ T29] addrconf_dad_work+0xc4/0x14b0
[ 177.075538][ T29] ? __cfi_addrconf_dad_work+0x10/0x10
[ 177.081050][ T29] ? __kasan_check_write+0x14/0x20
[ 177.086172][ T29] ? _raw_spin_lock_irq+0x8f/0xe0
[ 177.091257][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 177.096817][ T29] ? try_to_wake_up+0x613/0x1220
[ 177.101784][ T29] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 177.107165][ T29] process_one_work+0x71f/0xc40
[ 177.112044][ T29] worker_thread+0xa29/0x11f0
[ 177.116734][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 177.122242][ T29] ? __kthread_parkme+0x142/0x180
[ 177.127281][ T29] kthread+0x281/0x320
[ 177.131384][ T29] ? __cfi_worker_thread+0x10/0x10
[ 177.136508][ T29] ? __cfi_kthread+0x10/0x10
[ 177.141127][ T29] ret_from_fork+0x1f/0x30
[ 177.145566][ T29]
[ 177.308698][ T29] NMI backtrace for cpu 1
[ 177.313076][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 177.320287][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 177.330346][ T29] Call Trace:
[ 177.333636][ T29]
[ 177.336575][ T29] __dump_stack+0x21/0x24
[ 177.340922][ T29] dump_stack_lvl+0xee/0x150
[ 177.345525][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 177.350562][ T29] dump_stack+0x15/0x24
[ 177.354730][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 177.359773][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 177.365338][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 177.370924][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 177.375884][ T29] ? memcpy+0x56/0x70
[ 177.379874][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 177.385865][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 177.391860][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 177.397768][ T29] watchdog+0xd44/0xe80
[ 177.401946][ T29] ? __cfi_watchdog+0x10/0x10
[ 177.406641][ T29] ? __kasan_check_read+0x11/0x20
[ 177.411672][ T29] ? __kthread_parkme+0x142/0x180
[ 177.416714][ T29] kthread+0x281/0x320
[ 177.420797][ T29] ? __cfi_watchdog+0x10/0x10
[ 177.425527][ T29] ? __cfi_kthread+0x10/0x10
[ 177.430129][ T29] ret_from_fork+0x1f/0x30
[ 177.434570][ T29]
[ 177.437754][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 177.442991][ C0] NMI backtrace for cpu 0
[ 177.443002][ C0] CPU: 0 PID: 418 Comm: syz.1.18 Not tainted syzkaller #0
[ 177.443017][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 177.443025][ C0] RIP: 0010:arch_stack_walk+0x10d/0x150
[ 177.443050][ C0] Code: 00 83 bd 78 ff ff ff 00 74 40 4c 8d bd 78 ff ff ff 4c 89 ff e8 c4 8b 05 00 48 85 c0 74 2c 48 89 df 48 89 c6 41 ba 4a 9c 94 52 <45> 03 56 fc 74 02 0f 0b 41 ff d6 84 c0 74 11 4c 89 ff e8 ec 8c 05
[ 177.443061][ C0] RSP: 0018:ffffc900000077e8 EFLAGS: 00000082
[ 177.443076][ C0] RAX: ffffffff81b485c2 RBX: ffffc900000078a0 RCX: 0000000000007800
[ 177.443087][ C0] RDX: ffffc90000007b01 RSI: ffffffff81b485c2 RDI: ffffc900000078a0
[ 177.443097][ C0] RBP: ffffc90000007870 R08: ffffc900000078b0 R09: ffffc900000078a8
[ 177.443107][ C0] R10: 0000000052949c4a R11: 1ffff92000000efd R12: ffff888117c58000
[ 177.443118][ C0] R13: 0000000000000001 R14: ffffffff8160ef00 R15: ffffc900000077e8
[ 177.443128][ C0] FS: 0000555567482500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 177.443142][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 177.443152][ C0] CR2: 0000000000000000 CR3: 00000001304bd000 CR4: 00000000003506b0
[ 177.443166][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 177.443175][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 177.443184][ C0] Call Trace:
[ 177.443189][ C0]
[ 177.443195][ C0] ? __kasan_slab_alloc+0x72/0x80
[ 177.443214][ C0] stack_trace_save+0x98/0xe0
[ 177.443231][ C0] ? __cfi_stack_trace_save+0x10/0x10
[ 177.443248][ C0] ? __stack_depot_save+0x36/0x480
[ 177.443262][ C0] ? __alloc_pages+0x450/0x450
[ 177.443281][ C0] ? memset+0x35/0x40
[ 177.443293][ C0] kasan_set_track+0x4b/0x70
[ 177.443308][ C0] ? kasan_set_track+0x4b/0x70
[ 177.443322][ C0] ? kasan_save_alloc_info+0x25/0x30
[ 177.443348][ C0] ? __sigqueue_alloc+0x13f/0x210
[ 177.443367][ C0] kasan_save_alloc_info+0x25/0x30
[ 177.443386][ C0] __kasan_slab_alloc+0x72/0x80
[ 177.443402][ C0] slab_post_alloc_hook+0x4f/0x2d0
[ 177.443420][ C0] ? __sigqueue_alloc+0x13f/0x210
[ 177.443438][ C0] ? __sigqueue_alloc+0x13f/0x210
[ 177.443456][ C0] kmem_cache_alloc+0x16e/0x330
[ 177.443473][ C0] ? __sigqueue_alloc+0x13f/0x210
[ 177.443491][ C0] __sigqueue_alloc+0x13f/0x210
[ 177.443509][ C0] __send_signal_locked+0x19d/0xb70
[ 177.443525][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 177.443544][ C0] send_signal_locked+0x422/0x580
[ 177.443561][ C0] do_send_sig_info+0xd6/0x210
[ 177.443578][ C0] group_send_sig_info+0x118/0x2b0
[ 177.443595][ C0] ? __cfi_group_send_sig_info+0x10/0x10
[ 177.443613][ C0] do_bpf_send_signal+0x82/0x150
[ 177.443633][ C0] irq_work_run_list+0x18b/0x2b0
[ 177.443651][ C0] ? irq_work_run+0xf0/0xf0
[ 177.443668][ C0] irq_work_run+0x6a/0xf0
[ 177.443683][ C0] __sysvec_irq_work+0x75/0x1c0
[ 177.443703][ C0] sysvec_irq_work+0xa1/0xc0
[ 177.443729][ C0]
[ 177.443733][ C0]
[ 177.443738][ C0] asm_sysvec_irq_work+0x1b/0x20
[ 177.443756][ C0] RIP: 0010:native_apic_msr_write+0x39/0x50
[ 177.443776][ C0] Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 3a 1c 57 01 5d c3 0f 1f 84 00 00 00 00
[ 177.443787][ C0] RSP: 0018:ffffc90000ce7c20 EFLAGS: 00000246
[ 177.443798][ C0] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f
[ 177.443807][ C0] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
[ 177.443816][ C0] RBP: ffffc90000ce7c20 R08: dffffc0000000000 R09: fffff5200019cf81
[ 177.443826][ C0] R10: 0000000000000000 R11: ffffffff81343740 R12: 0000000000000000
[ 177.443835][ C0] R13: dffffc0000000001 R14: ffffffff86496b60 R15: dffffc0000000000
[ 177.443846][ C0] ? __cfi_native_apic_msr_write+0x10/0x10
[ 177.443867][ C0] x2apic_send_IPI_self+0x6f/0x80
[ 177.443885][ C0] arch_irq_work_raise+0x98/0xf0
[ 177.443903][ C0] __irq_work_queue_local+0x115/0x190
[ 177.443920][ C0] irq_work_queue+0x9e/0x150
[ 177.443936][ C0] bpf_send_signal_common+0x2b2/0x420
[ 177.443956][ C0] ? __set_printk_clr_event+0x80/0x80
[ 177.443977][ C0] bpf_send_signal+0x19/0x20
[ 177.443992][ C0] bpf_prog_7ba5217f62dcd359+0x38/0x3c
[ 177.444008][ C0] bpf_trace_run2+0xff/0x250
[ 177.444026][ C0] ? __cfi_bpf_trace_run2+0x10/0x10
[ 177.444045][ C0] __bpf_trace_sys_enter+0x62/0x70
[ 177.444060][ C0] trace_sys_enter+0x3d/0x50
[ 177.444073][ C0] syscall_trace_enter+0xf3/0x150
[ 177.444088][ C0] syscall_enter_from_user_mode+0x1f/0x30
[ 177.444108][ C0] do_syscall_64+0x24/0xa0
[ 177.444122][ C0] ? clear_bhb_loop+0x30/0x80
[ 177.444141][ C0] ? clear_bhb_loop+0x30/0x80
[ 177.444160][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 177.444178][ C0] RIP: 0033:0x7fed87f2b829
[ 177.444188][ C0] Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
[ 177.444199][ C0] RSP: 002b:00007ffddc7c7200 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
[ 177.444213][ C0] RAX: ffffffffffffffda RBX: 00007fed881e5fa8 RCX: 00007fed87f2b829
[ 177.444223][ C0] RDX: 00007ffddc7c7200 RSI: 00007ffddc7c7330 RDI: 0000000000000011
[ 177.444232][ C0] RBP: 0000000000000000 R08: 0008bf44d1eaba74 R09: 00000007dc7c7a9f
[ 177.444242][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fed881e5fac
[ 177.444251][ C0] R13: 00007fed881e5fa0 R14: 0000000000000095 R15: 0000000000000003
[ 177.444263][ C0]
[ 201.728724][ T29] INFO: task kworker/1:1:39 blocked for more than 154 seconds.
[ 201.736317][ T29] Not tainted syzkaller #0
[ 201.938924][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 201.947634][ T29] task:kworker/1:1 state:D stack:25536 pid:39 ppid:2 flags:0x00004000
[ 202.358742][ T29] Workqueue: ipv6_addrconf addrconf_dad_work
[ 202.364789][ T29] Call Trace:
[ 202.368083][ T29]
[ 202.371059][ T29] __schedule+0xb87/0x14e0
[ 202.375504][ T29] ? __sched_text_start+0x8/0x8
[ 202.380424][ T29] ? __mutex_add_waiter+0xc7/0x270
[ 202.385574][ T29] ? __kasan_check_write+0x14/0x20
[ 202.390739][ T29] ? _raw_spin_unlock_irq+0x4d/0x70
[ 202.395959][ T29] ? wq_worker_sleeping+0x1d9/0x280
[ 202.401198][ T29] schedule+0xbd/0x170
[ 202.405282][ T29] schedule_preempt_disabled+0x13/0x20
[ 202.410772][ T29] __mutex_lock+0x74a/0x16d0
[ 202.415386][ T29] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20
[ 202.422180][ T29] ? update_load_avg+0x4c2/0x13f0
[ 202.427221][ T29] ? kvm_sched_clock_read+0x18/0x40
[ 202.432465][ T29] ? sched_clock+0x9/0x10
[ 202.436813][ T29] ? sched_clock_cpu+0x6e/0x250
[ 202.441687][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 202.446984][ T29] __mutex_lock_slowpath+0xe/0x10
[ 202.452063][ T29] mutex_lock+0xf8/0x1a0
[ 202.456338][ T29] ? __cfi_mutex_lock+0x10/0x10
[ 202.461224][ T29] rtnl_lock+0x15/0x20
[ 202.465308][ T29] addrconf_dad_work+0xc4/0x14b0
[ 202.470272][ T29] ? _raw_spin_unlock+0x4c/0x70
[ 202.475139][ T29] ? finish_task_switch+0x16b/0x7b0
[ 202.480370][ T29] ? __cfi_addrconf_dad_work+0x10/0x10
[ 202.485843][ T29] ? __schedule+0xb8f/0x14e0
[ 202.490462][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 202.496025][ T29] process_one_work+0x71f/0xc40
[ 202.500924][ T29] worker_thread+0xa29/0x11f0
[ 202.505632][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 202.511144][ T29] kthread+0x281/0x320
[ 202.515247][ T29] ? __cfi_worker_thread+0x10/0x10
[ 202.520391][ T29] ? __cfi_kthread+0x10/0x10
[ 202.524998][ T29] ret_from_fork+0x1f/0x30
[ 202.529463][ T29]
[ 202.608685][ T29] INFO: task kworker/u4:2:43 blocked for more than 155 seconds.
[ 202.616357][ T29] Not tainted syzkaller #0
[ 202.948702][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 202.957510][ T29] task:kworker/u4:2 state:D stack:23184 pid:43 ppid:2 flags:0x00004000
[ 203.248735][ T29] Workqueue: netns cleanup_net
[ 203.253572][ T29] Call Trace:
[ 203.256863][ T29]
[ 203.259835][ T29] __schedule+0xb87/0x14e0
[ 203.264286][ T29] ? __sched_text_start+0x8/0x8
[ 203.269181][ T29] ? kthread_data+0x50/0xc0
[ 203.273699][ T29] ? wq_worker_sleeping+0x64/0x280
[ 203.278855][ T29] schedule+0xbd/0x170
[ 203.282946][ T29] schedule_timeout+0xa6/0x2e0
[ 203.287726][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 203.293128][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 203.298436][ T29] wait_for_common+0x354/0x620
[ 203.303251][ T29] ? wait_for_completion+0x20/0x20
[ 203.308477][ T29] ? try_to_wake_up+0x613/0x1220
[ 203.313450][ T29] ? wake_up_process+0x10/0x20
[ 203.318227][ T29] ? insert_work+0x271/0x300
[ 203.322859][ T29] wait_for_completion+0x18/0x20
[ 203.327817][ T29] __flush_work+0x4fb/0x620
[ 203.332368][ T29] ? flush_work+0x20/0x20
[ 203.336713][ T29] ? __cfi_wq_barrier_func+0x10/0x10
[ 203.342023][ T29] ? _raw_spin_lock_irq+0x8f/0xe0
[ 203.347067][ T29] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 203.352640][ T29] flush_work+0x15/0x20
[ 203.356815][ T29] unregister_netdevice_many+0x807/0x1820
[ 203.362577][ T29] ? kobject_put+0x93/0x280
[ 203.367100][ T29] ? __cfi_device_release+0x10/0x10
[ 203.372332][ T29] ? __cfi_unregister_netdevice_many+0x10/0x10
[ 203.378597][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 203.384529][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 203.390812][ T29] ? unregister_netdevice_queue+0x1aa/0x360
[ 203.396728][ T29] ? __cfi_unregister_netdevice_queue+0x10/0x10
[ 203.403007][ T29] ip_tunnel_delete_nets+0x346/0x390
[ 203.408313][ T29] ? __cfi_ip_tunnel_delete_nets+0x10/0x10
[ 203.414156][ T29] ? __cfi_xfrmi_exit_batch_net+0x10/0x10
[ 203.419917][ T29] vti_exit_batch_net+0x22/0x30
[ 203.424798][ T29] ? __cfi_vti_exit_batch_net+0x10/0x10
[ 203.430403][ T29] cleanup_net+0x62d/0xb00
[ 203.434839][ T29] ? __cfi_cleanup_net+0x10/0x10
[ 203.439807][ T29] ? pwq_dec_nr_in_flight+0x18c/0x3c0
[ 203.445198][ T29] process_one_work+0x71f/0xc40
[ 203.450077][ T29] worker_thread+0xa29/0x11f0
[ 203.454850][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 203.460341][ T29] kthread+0x281/0x320
[ 203.464430][ T29] ? __cfi_worker_thread+0x10/0x10
[ 203.469564][ T29] ? __cfi_kthread+0x10/0x10
[ 203.474171][ T29] ret_from_fork+0x1f/0x30
[ 203.478603][ T29]
[ 203.698719][ T29] INFO: task kworker/u4:4:348 blocked for more than 156 seconds.
[ 203.707376][ T29] Not tainted syzkaller #0
[ 204.108704][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 204.117521][ T29] task:kworker/u4:4 state:D stack:25984 pid:348 ppid:2 flags:0x00004000
[ 204.368726][ T29] Workqueue: events_unbound fsnotify_mark_destroy_workfn
[ 204.375847][ T29] Call Trace:
[ 204.379173][ T29]
[ 204.382127][ T29] __schedule+0xb87/0x14e0
[ 204.386567][ T29] ? __sched_text_start+0x8/0x8
[ 204.391472][ T29] ? kthread_data+0x50/0xc0
[ 204.395986][ T29] ? wq_worker_sleeping+0x64/0x280
[ 204.401131][ T29] schedule+0xbd/0x170
[ 204.405223][ T29] schedule_timeout+0xa6/0x2e0
[ 204.410018][ T29] ? __cfi_schedule_timeout+0x10/0x10
[ 204.415406][ T29] wait_for_common+0x354/0x620
[ 204.420211][ T29] ? wait_for_completion+0x20/0x20
[ 204.425520][ T29] ? __cfi_sched_clock_cpu+0x10/0x10
[ 204.430850][ T29] wait_for_completion+0x18/0x20
[ 204.435808][ T29] __synchronize_srcu+0x16c/0x1f0
[ 204.440958][ T29] ? psi_group_change+0xb73/0x12b0
[ 204.446082][ T29] ? synchronize_srcu_expedited+0x20/0x20
[ 204.451833][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 204.457308][ T29] ? __cfi_wakeme_after_rcu+0x10/0x10
[ 204.462730][ T29] ? __kasan_check_write+0x14/0x20
[ 204.467862][ T29] ? _raw_spin_lock+0x8e/0xe0
[ 204.472564][ T29] ? ktime_get_mono_fast_ns+0x1b3/0x1d0
[ 204.478169][ T29] synchronize_srcu+0x1d9/0x1f0
[ 204.483060][ T29] fsnotify_mark_destroy_workfn+0xfe/0x2f0
[ 204.488906][ T29] ? __schedule+0xb8f/0x14e0
[ 204.493519][ T29] ? __cfi_fsnotify_mark_destroy_workfn+0x10/0x10
[ 204.499965][ T29] process_one_work+0x71f/0xc40
[ 204.505009][ T29] worker_thread+0xa29/0x11f0
[ 204.509720][ T29] ? _raw_spin_lock_irqsave+0xb0/0x110
[ 204.515201][ T29] ? __kthread_parkme+0x142/0x180
[ 204.520265][ T29] kthread+0x281/0x320
[ 204.524347][ T29] ? __cfi_worker_thread+0x10/0x10
[ 204.529584][ T29] ? __cfi_kthread+0x10/0x10
[ 204.534192][ T29] ret_from_fork+0x1f/0x30
[ 204.538641][ T29]
[ 204.778708][ T29] NMI backtrace for cpu 1
[ 204.783102][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[ 204.790316][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 204.800380][ T29] Call Trace:
[ 204.803669][ T29]
[ 204.806609][ T29] __dump_stack+0x21/0x24
[ 204.810963][ T29] dump_stack_lvl+0xee/0x150
[ 204.815564][ T29] ? __cfi_dump_stack_lvl+0x8/0x8
[ 204.820606][ T29] dump_stack+0x15/0x24
[ 204.824778][ T29] nmi_cpu_backtrace+0x2b4/0x2c0
[ 204.829735][ T29] ? rcu_read_unlock_special+0xab/0x480
[ 204.835298][ T29] ? __cfi_nmi_cpu_backtrace+0x10/0x10
[ 204.840772][ T29] ? __rcu_read_unlock+0xa0/0xa0
[ 204.845815][ T29] ? memcpy+0x56/0x70
[ 204.849811][ T29] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10
[ 204.855807][ T29] nmi_trigger_cpumask_backtrace+0x16b/0x3a0
[ 204.861806][ T29] arch_trigger_cpumask_backtrace+0x10/0x20
[ 204.867756][ T29] watchdog+0xd44/0xe80
[ 204.871941][ T29] ? __cfi_watchdog+0x10/0x10
[ 204.876637][ T29] ? __kasan_check_read+0x11/0x20
[ 204.881669][ T29] ? __kthread_parkme+0x142/0x180
[ 204.886705][ T29] kthread+0x281/0x320
[ 204.890883][ T29] ? __cfi_watchdog+0x10/0x10
[ 204.895578][ T29] ? __cfi_kthread+0x10/0x10
[ 204.900263][ T29] ret_from_fork+0x1f/0x30
[ 204.904695][ T29]
[ 204.907789][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 204.913021][ C0] NMI backtrace for cpu 0
[ 204.913031][ C0] CPU: 0 PID: 418 Comm: syz.1.18 Not tainted syzkaller #0
[ 204.913047][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 204.913054][ C0] RIP: 0010:memset_erms+0xb/0x10
[ 204.913077][ C0] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
[ 204.913088][ C0] RSP: 0018:ffffc90000ce7c70 EFLAGS: 00000202
[ 204.913103][ C0] RAX: f2f2f200f1f1f100 RBX: 0000000000000058 RCX: 0000000000000000
[ 204.913114][ C0] RDX: 0000000000000058 RSI: 0000000000000000 RDI: ffffc90000ce7e38
[ 204.913124][ C0] RBP: ffffc90000ce7c90 R08: dffffc0000000000 R09: ffffc90000ce7de0
[ 204.913134][ C0] R10: fffff5200019cfc7 R11: 1ffff9200019cfbc R12: 0000000000000000
[ 204.913144][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000ce7de0
[ 204.913153][ C0] FS: 0000555567482500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 204.913166][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 204.913177][ C0] CR2: 0000000000000000 CR3: 00000001304bd000 CR4: 00000000003506b0
[ 204.913192][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 204.913200][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 204.913210][ C0] Call Trace:
[ 204.913214][ C0]
[ 204.913218][ C0] ? memset+0x35/0x40
[ 204.913232][ C0] arch_do_signal_or_restart+0xa8/0x1030
[ 204.913257][ C0] ? __ia32_sys_rt_sigreturn+0x5e7/0x6c0
[ 204.913276][ C0] ? __cfi___x64_sys_rt_sigreturn+0x10/0x10
[ 204.913293][ C0] ? __cfi_arch_do_signal_or_restart+0x10/0x10
[ 204.913313][ C0] exit_to_user_mode_loop+0x7a/0xb0
[ 204.913328][ C0] exit_to_user_mode_prepare+0x87/0xd0
[ 204.913343][ C0] syscall_exit_to_user_mode+0x1a/0x30
[ 204.913356][ C0] do_syscall_64+0x58/0xa0
[ 204.913372][ C0] ? clear_bhb_loop+0x30/0x80
[ 204.913391][ C0] ? clear_bhb_loop+0x30/0x80
[ 204.913409][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 204.913428][ C0] RIP: 0033:0x7fed87f8f749
[ 204.913440][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 204.913451][ C0] RSP: 002b:00007ffddc7c77a8 EFLAGS: 00000246
[ 204.913462][ C0] RAX: 0000000000000000 RBX: 00007fed881e5fa8 RCX: 00007fed87f8f749
[ 204.913472][ C0] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fed881e5fac
[ 204.913481][ C0] RBP: 0000000000000000 R08: 0008bf44d1eaba74 R09: 00000007dc7c7a9f
[ 204.913491][ C0] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fed881e5fac
[ 204.913500][ C0] R13: 00007fed881e5fa0 R14: 0000000000000095 R15: 0000000000000003
[ 204.913512][ C0]