Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts. 2025/11/15 13:00:32 parsed 1 programs [ 148.582458][ T24] audit: type=1400 audit(1763211632.380:64): avc: denied { node_bind } for pid=275 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 148.603310][ T24] audit: type=1400 audit(1763211632.380:65): avc: denied { create } for pid=275 comm="syz-execprog" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rawip_socket permissive=1 [ 148.623302][ T24] audit: type=1400 audit(1763211632.380:66): avc: denied { module_request } for pid=275 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 [ 149.512686][ T24] audit: type=1400 audit(1763211633.310:67): avc: denied { mounton } for pid=284 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 [ 149.514151][ T284] cgroup: Unknown subsys name 'net' [ 149.536041][ T24] audit: type=1400 audit(1763211633.310:68): avc: denied { mount } for pid=284 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 [ 149.564102][ T24] audit: type=1400 audit(1763211633.340:69): avc: denied { unmount } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 149.564482][ T284] cgroup: Unknown subsys name 'devices' [ 149.742420][ T284] cgroup: Unknown subsys name 'hugetlb' [ 149.748226][ T284] cgroup: Unknown subsys name 'rlimit' [ 149.927859][ T24] audit: type=1400 audit(1763211633.720:70): avc: denied { setattr } for pid=284 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 149.951103][ T24] audit: type=1400 audit(1763211633.720:71): avc: denied { create } for pid=284 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 [ 149.964266][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 149.972013][ T24] audit: type=1400 audit(1763211633.720:72): avc: denied { write } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 150.001612][ T24] audit: type=1400 audit(1763211633.720:73): avc: denied { read } for pid=284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 150.022257][ T284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 150.504177][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 150.540739][ T292] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 150.809067][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.830436][ T314] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.838005][ T314] device bridge_slave_0 entered promiscuous mode [ 150.882177][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.889352][ T314] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.919626][ T314] device bridge_slave_1 entered promiscuous mode [ 151.093770][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.101083][ T314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.108378][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.115584][ T314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.144110][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 151.153116][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 151.162276][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 151.179134][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.201851][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 151.211551][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 151.222870][ T314] device veth0_vlan entered promiscuous mode [ 151.230901][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 151.239068][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 151.246932][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 151.264845][ T314] device veth1_macvtap entered promiscuous mode [ 151.272743][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 151.299092][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 151.308382][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/11/15 13:00:35 executed programs: 0 [ 151.515506][ T354] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.526213][ T354] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.533980][ T354] device bridge_slave_0 entered promiscuous mode [ 151.582195][ T354] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.589265][ T354] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.597114][ T354] device bridge_slave_1 entered promiscuous mode [ 151.669010][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.676328][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.684017][ T363] device bridge_slave_0 entered promiscuous mode [ 151.701478][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.708528][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.716087][ T363] device bridge_slave_1 entered promiscuous mode [ 151.774897][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.782188][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.789714][ T364] device bridge_slave_0 entered promiscuous mode [ 151.801846][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.808917][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.816652][ T364] device bridge_slave_1 entered promiscuous mode [ 151.853751][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.861067][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.868530][ T360] device bridge_slave_0 entered promiscuous mode [ 151.875388][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.882543][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.890118][ T362] device bridge_slave_0 entered promiscuous mode [ 151.897732][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.905008][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.912752][ T362] device bridge_slave_1 entered promiscuous mode [ 151.928712][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.935940][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.943447][ T360] device bridge_slave_1 entered promiscuous mode [ 152.039718][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.047185][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.054664][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.062052][ T362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.115686][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.123039][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.130788][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.137923][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.157054][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.165209][ T364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.172532][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.179679][ T364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.210966][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 152.219153][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 152.226926][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 152.234603][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 152.242322][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 152.250116][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 152.258019][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 152.266240][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 152.273776][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 152.282777][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 152.291490][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.298764][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.306463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 152.315073][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 152.323942][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.330991][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.338781][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 152.347225][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 152.355372][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 152.380486][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 152.389106][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 152.398604][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 152.406861][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 152.416281][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.423480][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.431718][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 152.440130][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.447331][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.454946][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 152.462583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 152.470001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 152.489698][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 152.497960][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 152.506815][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.514224][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.523567][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 152.532564][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.540257][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.569842][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 152.578936][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 152.587436][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 152.596499][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 152.605852][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.613135][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.621161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 152.629668][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 152.638195][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.645303][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.653069][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 152.661220][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 152.669903][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 152.691816][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 152.701508][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 152.709816][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.716983][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 152.724827][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 152.733811][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.740924][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.748319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 152.756447][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 152.776118][ T354] device veth0_vlan entered promiscuous mode [ 152.788007][ T364] device veth0_vlan entered promiscuous mode [ 152.796449][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 152.805161][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 152.814864][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 152.823576][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 152.832129][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 152.840464][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 152.849126][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 152.857042][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 152.865189][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 152.873151][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 152.890904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 152.899401][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 152.907892][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 152.916831][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 152.932336][ T364] device veth1_macvtap entered promiscuous mode [ 152.944708][ T354] device veth1_macvtap entered promiscuous mode [ 152.953995][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 152.962406][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 152.971344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 152.979079][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 152.988342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 152.997094][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 153.005135][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 153.013951][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 153.031799][ T360] device veth0_vlan entered promiscuous mode [ 153.044803][ T362] device veth0_vlan entered promiscuous mode [ 153.051958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 153.061593][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 153.070818][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 153.079732][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 153.089474][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 153.098065][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 153.107112][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 153.115622][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 153.124001][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 153.132792][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 153.141302][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 153.149118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 153.157470][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 153.165653][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 153.182403][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 153.190877][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 153.199800][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 153.209033][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 153.221218][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 153.229536][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 153.241336][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 153.250278][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 153.264884][ T360] device veth1_macvtap entered promiscuous mode [ 292.490774][ T26] INFO: task kworker/u4:1:9 blocked for more than 122 seconds. [ 292.498391][ T26] Not tainted syzkaller #0 [ 292.680338][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.689322][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 293.140367][ T26] Workqueue: events_unbound linkwatch_event [ 293.146323][ T26] Call Trace: [ 293.149700][ T26] __schedule+0xb47/0x1310 [ 293.500351][ T26] ? release_firmware_map_entry+0x190/0x190 [ 293.506384][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 293.830339][ T26] ? __kasan_check_write+0x14/0x20 [ 293.835617][ T26] ? kthread_data+0x50/0xc0 [ 293.840135][ T26] ? wq_worker_sleeping+0x60/0x200 [ 294.170360][ T26] schedule+0x13c/0x1d0 [ 294.174736][ T26] schedule_preempt_disabled+0x13/0x20 [ 294.180211][ T26] __mutex_lock+0x6c0/0xc50 [ 294.570386][ T26] ? __kasan_check_read+0x11/0x20 [ 294.575469][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 294.880325][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 294.885616][ T26] __mutex_lock_slowpath+0xe/0x10 [ 295.160340][ T26] mutex_lock+0xcf/0xe0 [ 295.164696][ T26] ? mutex_trylock+0xa0/0xa0 [ 295.169310][ T26] ? __schedule+0xb4f/0x1310 [ 295.520336][ T26] ? read_word_at_a_time+0x12/0x20 [ 295.525512][ T26] rtnl_lock+0x15/0x20 [ 295.529616][ T26] linkwatch_event+0xe/0x60 [ 295.870313][ T26] process_one_work+0x6e1/0xba0 [ 295.875226][ T26] worker_thread+0xa6a/0x13b0 [ 295.879933][ T26] kthread+0x346/0x3d0 [ 296.210354][ T26] ? worker_clr_flags+0x190/0x190 [ 296.215433][ T26] ? kthread_blkcg+0xd0/0xd0 [ 296.220033][ T26] ret_from_fork+0x1f/0x30 [ 296.600391][ T26] INFO: task kworker/u4:2:49 blocked for more than 126 seconds. [ 296.608104][ T26] Not tainted syzkaller #0 [ 296.940314][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 296.949044][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 297.430326][ T26] Workqueue: netns cleanup_net [ 297.435251][ T26] Call Trace: [ 297.438646][ T26] __schedule+0xb47/0x1310 [ 297.750335][ T26] ? release_firmware_map_entry+0x190/0x190 [ 297.756563][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 298.060312][ T26] ? __kasan_check_write+0x14/0x20 [ 298.065505][ T26] ? kthread_data+0x50/0xc0 [ 298.070262][ T26] ? wq_worker_sleeping+0x60/0x200 [ 298.315586][ T26] schedule+0x13c/0x1d0 [ 298.319759][ T26] schedule_preempt_disabled+0x13/0x20 [ 298.710337][ T26] __mutex_lock+0x6c0/0xc50 [ 298.715007][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 299.030358][ T26] ? radix_tree_next_chunk+0x856/0x8f0 [ 299.035867][ T26] __mutex_lock_slowpath+0xe/0x10 [ 299.270350][ T26] mutex_lock+0xcf/0xe0 [ 299.274573][ T26] ? mutex_trylock+0xa0/0xa0 [ 299.279350][ T26] ? __kasan_check_write+0x14/0x20 [ 299.650336][ T26] ? _raw_spin_lock_bh+0x8e/0xe0 [ 299.655330][ T26] rtnl_lock+0x15/0x20 [ 299.659412][ T26] wg_netns_pre_exit+0x1e/0x180 [ 300.010357][ T26] cleanup_net+0x4a8/0xb70 [ 300.014837][ T26] ? __kasan_check_write+0x14/0x20 [ 300.020048][ T26] ? ops_init+0x4a0/0x4a0 [ 300.390315][ T26] ? read_word_at_a_time+0x12/0x20 [ 300.395487][ T26] ? strscpy+0x9b/0x290 [ 300.399749][ T26] process_one_work+0x6e1/0xba0 [ 300.760405][ T26] worker_thread+0xa6a/0x13b0 [ 300.765175][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 301.050342][ T26] kthread+0x346/0x3d0 [ 301.054479][ T26] ? worker_clr_flags+0x190/0x190 [ 301.059526][ T26] ? kthread_blkcg+0xd0/0xd0 [ 301.420336][ T26] ret_from_fork+0x1f/0x30 [ 301.520344][ T26] INFO: task syz-executor:360 blocked for more than 131 seconds. [ 301.528124][ T26] Not tainted syzkaller #0 [ 301.870329][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 301.879061][ T26] task:syz-executor state:D stack: 0 pid: 360 ppid: 355 flags:0x10004000 [ 302.360567][ T26] Call Trace: [ 302.364017][ T26] __schedule+0xb47/0x1310 [ 302.368570][ T26] ? release_firmware_map_entry+0x190/0x190 [ 302.710336][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 302.715531][ T26] ? __kasan_check_write+0x14/0x20 [ 302.990340][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 302.996539][ T26] schedule+0x13c/0x1d0 [ 303.260337][ T26] schedule_preempt_disabled+0x13/0x20 [ 303.266117][ T26] __mutex_lock+0x6c0/0xc50 [ 303.520388][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 303.527234][ T26] ? cap_capable+0x19c/0x220 [ 303.830315][ T26] __mutex_lock_slowpath+0xe/0x10 [ 303.835414][ T26] mutex_lock+0xcf/0xe0 [ 303.839586][ T26] ? mutex_trylock+0xa0/0xa0 [ 304.180375][ T26] ? ns_capable+0x8c/0xf0 [ 304.184770][ T26] ? netlink_net_capable+0x125/0x160 [ 304.190079][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 304.570316][ T26] ? rtnetlink_bind+0x80/0x80 [ 304.575057][ T26] ? arch_stack_walk+0xee/0x140 [ 304.579927][ T26] ? stack_trace_save+0x98/0xe0 [ 304.960323][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 304.965497][ T26] ? memcpy+0x56/0x70 [ 304.969494][ T26] ? avc_has_perm+0x234/0x360 [ 305.320309][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 305.325397][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 305.600337][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 305.605435][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 305.880316][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 305.886032][ T26] netlink_rcv_skb+0x1e0/0x430 [ 306.160331][ T26] ? rtnetlink_bind+0x80/0x80 [ 306.165066][ T26] ? netlink_ack+0xb80/0xb80 [ 306.170043][ T26] ? __netlink_lookup+0x387/0x3b0 [ 306.530313][ T26] rtnetlink_rcv+0x1c/0x20 [ 306.534791][ T26] netlink_unicast+0x876/0xa40 [ 306.539572][ T26] netlink_sendmsg+0x88d/0xb30 [ 306.900368][ T26] ? netlink_getsockopt+0x530/0x530 [ 306.905728][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 307.190313][ T26] __sys_sendto+0x41d/0x580 [ 307.194882][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 307.440314][ T26] ? ____fput+0x15/0x20 [ 307.444702][ T26] __x64_sys_sendto+0xe5/0x100 [ 307.449501][ T26] do_syscall_64+0x31/0x40 [ 307.820337][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 307.826296][ T26] RIP: 0033:0x7fc47dcbf503 [ 308.090300][ T26] RSP: 002b:00007ffdc69f25f8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 308.098865][ T26] RAX: ffffffffffffffda RBX: 00007fc47ea42620 RCX: 00007fc47dcbf503 [ 308.530339][ T26] RDX: 0000000000000028 RSI: 00007fc47ea42670 RDI: 0000000000000003 [ 308.538382][ T26] RBP: 0000000000000001 R08: 00007ffdc69f2614 R09: 000000000000000c [ 308.960297][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 308.968330][ T26] R13: 0000000000000000 R14: 00007fc47ea42670 R15: 0000000000000000 [ 309.390333][ T26] INFO: task syz-executor:362 blocked for more than 139 seconds. [ 309.398101][ T26] Not tainted syzkaller #0 [ 309.720319][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 309.729038][ T26] task:syz-executor state:D stack: 0 pid: 362 ppid: 358 flags:0x10004000 [ 310.190321][ T26] Call Trace: [ 310.193680][ T26] __schedule+0xb47/0x1310 [ 310.198114][ T26] ? release_firmware_map_entry+0x190/0x190 [ 310.550627][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 310.555940][ T26] ? __kasan_check_write+0x14/0x20 [ 310.840342][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 310.846236][ T26] schedule+0x13c/0x1d0 [ 311.070334][ T26] schedule_preempt_disabled+0x13/0x20 [ 311.075850][ T26] __mutex_lock+0x6c0/0xc50 [ 311.350315][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 311.357578][ T26] ? cap_capable+0x19c/0x220 [ 311.670346][ T26] __mutex_lock_slowpath+0xe/0x10 [ 311.675433][ T26] mutex_lock+0xcf/0xe0 [ 311.679687][ T26] ? mutex_trylock+0xa0/0xa0 [ 312.030328][ T26] ? ns_capable+0x8c/0xf0 [ 312.034907][ T26] ? netlink_net_capable+0x125/0x160 [ 312.040228][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 312.460310][ T26] ? rtnetlink_bind+0x80/0x80 [ 312.465046][ T26] ? arch_stack_walk+0xee/0x140 [ 312.469923][ T26] ? stack_trace_save+0x98/0xe0 [ 312.820335][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 312.825520][ T26] ? memcpy+0x56/0x70 [ 312.829522][ T26] ? avc_has_perm+0x234/0x360 [ 313.210348][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 313.215524][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 313.470334][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 313.475596][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 313.750312][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 313.755763][ T26] netlink_rcv_skb+0x1e0/0x430 [ 314.030339][ T26] ? rtnetlink_bind+0x80/0x80 [ 314.035161][ T26] ? netlink_ack+0xb80/0xb80 [ 314.290337][ T26] ? __netlink_lookup+0x387/0x3b0 [ 314.295549][ T26] rtnetlink_rcv+0x1c/0x20 [ 314.299981][ T26] netlink_unicast+0x876/0xa40 [ 314.660318][ T26] netlink_sendmsg+0x88d/0xb30 [ 314.665281][ T26] ? netlink_getsockopt+0x530/0x530 [ 314.940314][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 314.945882][ T26] __sys_sendto+0x41d/0x580 [ 315.220315][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 315.225755][ T26] ? ____fput+0x15/0x20 [ 315.229934][ T26] __x64_sys_sendto+0xe5/0x100 [ 315.590324][ T26] do_syscall_64+0x31/0x40 [ 315.594918][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 315.860328][ T26] RIP: 0033:0x7f39900d2503 [ 315.865027][ T26] RSP: 002b:00007ffd21d04b68 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 316.220309][ T26] RAX: ffffffffffffffda RBX: 00007f3990e55620 RCX: 00007f39900d2503 [ 316.228344][ T26] RDX: 0000000000000028 RSI: 00007f3990e55670 RDI: 0000000000000003 [ 316.650293][ T26] RBP: 0000000000000001 R08: 00007ffd21d04b84 R09: 000000000000000c [ 316.658518][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 317.060352][ T26] R13: 0000000000000000 R14: 00007f3990e55670 R15: 0000000000000000 [ 317.290379][ T26] INFO: task syz-executor:363 blocked for more than 147 seconds. [ 317.298551][ T26] Not tainted syzkaller #0 [ 317.630312][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 317.639249][ T26] task:syz-executor state:D stack: 0 pid: 363 ppid: 356 flags:0x10004000 [ 318.110361][ T26] Call Trace: [ 318.113860][ T26] __schedule+0xb47/0x1310 [ 318.118475][ T26] ? release_firmware_map_entry+0x190/0x190 [ 318.480399][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 318.485858][ T26] ? __kasan_check_write+0x14/0x20 [ 318.770355][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 318.776217][ T26] schedule+0x13c/0x1d0 [ 319.040303][ T26] schedule_preempt_disabled+0x13/0x20 [ 319.046195][ T26] __mutex_lock+0x6c0/0xc50 [ 319.330351][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 319.337301][ T26] ? cap_capable+0x19c/0x220 [ 319.630329][ T26] __mutex_lock_slowpath+0xe/0x10 [ 319.635783][ T26] mutex_lock+0xcf/0xe0 [ 319.639960][ T26] ? mutex_trylock+0xa0/0xa0 [ 319.990331][ T26] ? ns_capable+0x8c/0xf0 [ 319.994723][ T26] ? netlink_net_capable+0x125/0x160 [ 320.000025][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 320.370362][ T26] ? rtnetlink_bind+0x80/0x80 [ 320.375245][ T26] ? arch_stack_walk+0xee/0x140 [ 320.380127][ T26] ? stack_trace_save+0x98/0xe0 [ 320.770326][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 320.775505][ T26] ? memcpy+0x56/0x70 [ 320.779531][ T26] ? avc_has_perm+0x234/0x360 [ 321.110306][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 321.116031][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 321.410349][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 321.415345][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 321.700337][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 321.705959][ T26] netlink_rcv_skb+0x1e0/0x430 [ 321.970335][ T26] ? rtnetlink_bind+0x80/0x80 [ 321.975081][ T26] ? netlink_ack+0xb80/0xb80 [ 321.979700][ T26] ? __netlink_lookup+0x387/0x3b0 [ 322.340307][ T26] rtnetlink_rcv+0x1c/0x20 [ 322.344809][ T26] netlink_unicast+0x876/0xa40 [ 322.349616][ T26] netlink_sendmsg+0x88d/0xb30 [ 322.700351][ T26] ? netlink_getsockopt+0x530/0x530 [ 322.705615][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 322.990331][ T26] __sys_sendto+0x41d/0x580 [ 322.994897][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 323.260323][ T26] ? ____fput+0x15/0x20 [ 323.264641][ T26] __x64_sys_sendto+0xe5/0x100 [ 323.269423][ T26] do_syscall_64+0x31/0x40 [ 323.600306][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 323.606261][ T26] RIP: 0033:0x7f428976f503 [ 323.890290][ T26] RSP: 002b:00007ffecff5e8e8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 323.898768][ T26] RAX: ffffffffffffffda RBX: 00007f428a4f2620 RCX: 00007f428976f503 [ 324.330378][ T26] RDX: 0000000000000028 RSI: 00007f428a4f2670 RDI: 0000000000000003 [ 324.338422][ T26] RBP: 0000000000000001 R08: 00007ffecff5e904 R09: 000000000000000c [ 324.720307][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 324.728349][ T26] R13: 0000000000000000 R14: 00007f428a4f2670 R15: 0000000000000000 [ 325.150407][ T26] INFO: task syz-executor:364 blocked for more than 155 seconds. [ 325.158181][ T26] Not tainted syzkaller #0 [ 325.480330][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 325.489326][ T26] task:syz-executor state:D stack: 0 pid: 364 ppid: 359 flags:0x10004000 [ 325.950331][ T26] Call Trace: [ 325.953679][ T26] __schedule+0xb47/0x1310 [ 325.958108][ T26] ? release_firmware_map_entry+0x190/0x190 [ 326.340300][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 326.345607][ T26] ? __kasan_check_write+0x14/0x20 [ 326.580301][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 326.586263][ T26] schedule+0x13c/0x1d0 [ 326.870379][ T26] schedule_preempt_disabled+0x13/0x20 [ 326.875905][ T26] __mutex_lock+0x6c0/0xc50 [ 327.160350][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 327.167187][ T26] ? cap_capable+0x19c/0x220 [ 327.450303][ T26] __mutex_lock_slowpath+0xe/0x10 [ 327.455387][ T26] mutex_lock+0xcf/0xe0 [ 327.459560][ T26] ? mutex_trylock+0xa0/0xa0 [ 327.810326][ T26] ? ns_capable+0x8c/0xf0 [ 327.814954][ T26] ? netlink_net_capable+0x125/0x160 [ 328.090325][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 328.095332][ T26] ? rtnetlink_bind+0x80/0x80 [ 328.100024][ T26] ? arch_stack_walk+0xee/0x140 [ 328.480301][ T26] ? stack_trace_save+0x98/0xe0 [ 328.485301][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 328.720302][ T26] ? memcpy+0x56/0x70 [ 328.724350][ T26] ? avc_has_perm+0x234/0x360 [ 328.729072][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 329.080328][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 329.085682][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 329.370312][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 329.375761][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 329.630303][ T26] netlink_rcv_skb+0x1e0/0x430 [ 329.635128][ T26] ? rtnetlink_bind+0x80/0x80 [ 329.640012][ T26] ? netlink_ack+0xb80/0xb80 [ 330.000330][ T26] ? __netlink_lookup+0x387/0x3b0 [ 330.005421][ T26] rtnetlink_rcv+0x1c/0x20 [ 330.009942][ T26] netlink_unicast+0x876/0xa40 [ 330.410307][ T26] netlink_sendmsg+0x88d/0xb30 [ 330.415134][ T26] ? netlink_getsockopt+0x530/0x530 [ 330.650341][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 330.655871][ T26] __sys_sendto+0x41d/0x580 [ 330.910339][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 330.915781][ T26] ? ____fput+0x15/0x20 [ 330.920079][ T26] __x64_sys_sendto+0xe5/0x100 [ 331.300351][ T26] do_syscall_64+0x31/0x40 [ 331.304983][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 331.590358][ T26] RIP: 0033:0x7f321a5ad503 [ 331.594924][ T26] RSP: 002b:00007ffcf64a8828 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 331.930341][ T26] RAX: ffffffffffffffda RBX: 00007f321b330620 RCX: 00007f321a5ad503 [ 331.938459][ T26] RDX: 0000000000000028 RSI: 00007f321b330670 RDI: 0000000000000003 [ 332.340287][ T26] RBP: 0000000000000001 R08: 00007ffcf64a8844 R09: 000000000000000c [ 332.348317][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 332.780288][ T26] R13: 0000000000000000 R14: 00007f321b330670 R15: 0000000000000000 [ 333.000328][ T26] INFO: task kworker/0:9:406 blocked for more than 163 seconds. [ 333.008125][ T26] Not tainted syzkaller #0 [ 333.330333][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 333.339065][ T26] task:kworker/0:9 state:D stack: 0 pid: 406 ppid: 2 flags:0x10004000 [ 333.780336][ T26] Workqueue: ipv6_addrconf addrconf_dad_work [ 333.786492][ T26] Call Trace: [ 333.789797][ T26] __schedule+0xb47/0x1310 [ 334.180337][ T26] ? release_firmware_map_entry+0x190/0x190 [ 334.186485][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 334.470301][ T26] ? __kasan_check_write+0x14/0x20 [ 334.475482][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 334.720345][ T26] ? wq_worker_sleeping+0x196/0x200 [ 334.725724][ T26] schedule+0x13c/0x1d0 [ 334.729899][ T26] schedule_preempt_disabled+0x13/0x20 [ 335.110299][ T26] __mutex_lock+0x6c0/0xc50 [ 335.114983][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 335.450339][ T26] ? netdev_run_todo+0xcc0/0xd20 [ 335.455340][ T26] ? ndisc_send_ns+0x842/0xaf0 [ 335.460127][ T26] __mutex_lock_slowpath+0xe/0x10 [ 335.830338][ T26] mutex_lock+0xcf/0xe0 [ 335.834673][ T26] ? mutex_trylock+0xa0/0xa0 [ 335.839407][ T26] ? mod_delayed_work_on+0x91/0xd0 [ 336.200344][ T26] rtnl_lock+0x15/0x20 [ 336.204479][ T26] addrconf_dad_work+0xc4/0x1410 [ 336.209582][ T26] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 336.570304][ T26] ? pwq_activate_delayed_work+0x2dd/0x3f0 [ 336.576184][ T26] ? __kasan_check_read+0x11/0x20 [ 336.860348][ T26] ? read_word_at_a_time+0x12/0x20 [ 336.865530][ T26] ? strscpy+0x9b/0x290 [ 336.869722][ T26] process_one_work+0x6e1/0xba0 [ 337.240321][ T26] worker_thread+0xa6a/0x13b0 [ 337.245065][ T26] kthread+0x346/0x3d0 [ 337.249255][ T26] ? worker_clr_flags+0x190/0x190 [ 337.610304][ T26] ? kthread_blkcg+0xd0/0xd0 [ 337.614966][ T26] ret_from_fork+0x1f/0x30 [ 337.830309][ T26] NMI backtrace for cpu 0 [ 337.834709][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 337.841921][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 337.851997][ T26] Call Trace: [ 337.855322][ T26] __dump_stack+0x21/0x24 [ 337.859668][ T26] dump_stack_lvl+0x169/0x1d8 [ 337.864363][ T26] ? show_regs_print_info+0x18/0x18 [ 337.869690][ T26] ? sched_show_task+0x324/0x4a0 [ 337.874659][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 337.879618][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 337.885709][ T26] dump_stack+0x15/0x1c [ 337.889882][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 337.895874][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 337.901957][ T26] watchdog+0xe2e/0xf70 [ 337.906131][ T26] ? hungtask_pm_notify+0x50/0x50 [ 337.911170][ T26] ? __kasan_check_read+0x11/0x20 [ 337.916215][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 337.921179][ T26] kthread+0x346/0x3d0 [ 337.925260][ T26] ? hungtask_pm_notify+0x50/0x50 [ 337.930304][ T26] ? kthread_blkcg+0xd0/0xd0 [ 337.935138][ T26] ret_from_fork+0x1f/0x30 [ 337.939688][ T26] Sending NMI from CPU 0 to CPUs 1: [ 337.945611][ C1] NMI backtrace for cpu 1 [ 337.945617][ C1] CPU: 1 PID: 409 Comm: syz.0.17 Not tainted syzkaller #0 [ 337.945623][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 337.945627][ C1] RIP: 0010:__kernel_text_address+0x8/0x100 [ 337.945639][ C1] Code: b0 90 55 48 89 e5 48 81 ff 00 00 20 86 0f 93 c0 48 81 ff 40 69 a4 86 0f 92 c1 20 c1 0f b6 c1 5d c3 90 55 48 89 e5 41 57 41 56 <41> 54 53 48 81 ff 00 00 00 81 0f 93 c0 48 81 ff 50 50 a0 84 0f 92 [ 337.945643][ C1] RSP: 0018:ffffc900001707e0 EFLAGS: 00000046 [ 337.945652][ C1] RAX: 0000000000000000 RBX: ffffc90000170870 RCX: 0000000000170801 [ 337.945657][ C1] RDX: ffffc90000170dd0 RSI: 1ffff9200002e106 RDI: ffffffff813d4c51 [ 337.945662][ C1] RBP: ffffc900001707f0 R08: ffffc900001708f0 R09: ffffc900001708e8 [ 337.945667][ C1] R10: 0000000000000006 R11: 1ffff9200002e105 R12: ffff8881114993c0 [ 337.945672][ C1] R13: ffffc90000170c20 R14: dffffc0000000000 R15: 1ffff9200002e10e [ 337.945678][ C1] FS: 00005555922bd500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 337.945682][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 337.945687][ C1] CR2: 0000001b32d63fff CR3: 00000001114de000 CR4: 00000000003506a0 [ 337.945692][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 337.945697][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 337.945699][ C1] Call Trace: [ 337.945701][ C1] [ 337.945705][ C1] unwind_get_return_address+0x4d/0x90 [ 337.945709][ C1] ? stack_trace_save+0xe0/0xe0 [ 337.945712][ C1] arch_stack_walk+0xee/0x140 [ 337.945715][ C1] ? group_send_sig_info+0x111/0x2a0 [ 337.945719][ C1] stack_trace_save+0x98/0xe0 [ 337.945810][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 337.945818][ C1] ? memset+0x35/0x40 [ 337.945822][ C1] __kasan_slab_alloc+0xbd/0xf0 [ 337.945825][ C1] ? __kasan_slab_alloc+0xbd/0xf0 [ 337.945829][ C1] ? slab_post_alloc_hook+0x5d/0x2f0 [ 337.945833][ C1] ? kmem_cache_alloc+0x165/0x2e0 [ 337.945836][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 337.945840][ C1] ? __send_signal+0x1f2/0xb80 [ 337.945843][ C1] ? send_signal+0x479/0x5b0 [ 337.945847][ C1] ? do_send_sig_info+0xd6/0x210 [ 337.945850][ C1] slab_post_alloc_hook+0x5d/0x2f0 [ 337.945854][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 337.945858][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 337.945861][ C1] kmem_cache_alloc+0x165/0x2e0 [ 337.945865][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 337.945868][ C1] __sigqueue_alloc+0x185/0x2d0 [ 337.945871][ C1] __send_signal+0x1f2/0xb80 [ 337.945875][ C1] send_signal+0x479/0x5b0 [ 337.945878][ C1] do_send_sig_info+0xd6/0x210 [ 337.945881][ C1] group_send_sig_info+0x111/0x2a0 [ 337.945885][ C1] ? __lock_task_sighand+0x100/0x100 [ 337.945888][ C1] do_bpf_send_signal+0x82/0x150 [ 337.945892][ C1] irq_work_run_list+0x179/0x260 [ 337.945895][ C1] ? irq_work_run+0xf0/0xf0 [ 337.945898][ C1] irq_work_run+0x6a/0xf0 [ 337.945901][ C1] __sysvec_irq_work+0x66/0x1b0 [ 337.945905][ C1] asm_call_irq_on_stack+0xf/0x20 [ 337.945907][ C1] [ 337.945910][ C1] sysvec_irq_work+0x85/0xd0 [ 337.945913][ C1] asm_sysvec_irq_work+0x12/0x20 [ 337.945917][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 337.945928][ C1] 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 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 27 ae 27 01 5d c3 0f 1f 44 00 [ 337.945931][ C1] RSP: 0018:ffffc90000fa7c20 EFLAGS: 00000246 [ 337.945939][ C1] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 337.945943][ C1] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 337.945947][ C1] RBP: ffffc90000fa7c20 R08: dffffc0000000000 R09: ffffed103ee2a5f7 [ 337.945952][ C1] R10: ffffed103ee2a5f7 R11: 1ffff1103ee2a5f6 R12: 0000000000000000 [ 337.945956][ C1] R13: dffffc0000000001 R14: ffffffff859c4998 R15: dffffc0000000000 [ 337.945959][ C1] x2apic_send_IPI_self+0x5e/0x70 [ 337.945962][ C1] arch_irq_work_raise+0x86/0xd0 [ 337.945965][ C1] __irq_work_queue_local+0x115/0x190 [ 337.945967][ C1] irq_work_queue+0x9e/0x150 [ 337.945971][ C1] bpf_send_signal_common+0x2b2/0x420 [ 337.945974][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 337.945976][ C1] bpf_send_signal+0x19/0x20 [ 337.945980][ C1] bpf_prog_7ba5217f62dcd359+0x38/0xe4c [ 337.945983][ C1] bpf_trace_run2+0xb3/0x200 [ 337.945985][ C1] ? bpf_trace_run1+0x200/0x200 [ 337.945988][ C1] __bpf_trace_sys_enter+0x62/0x70 [ 337.945991][ C1] trace_sys_enter+0x40/0x50 [ 337.945994][ C1] syscall_trace_enter+0x108/0x170 [ 337.945998][ C1] syscall_enter_from_user_mode+0x20/0x30 [ 337.946001][ C1] do_syscall_64+0x13/0x40 [ 337.946004][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 337.946007][ C1] RIP: 0033:0x7fb44550d789 [ 337.946017][ C1] 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 [ 337.946020][ C1] RSP: 002b:00007ffc867235c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 337.946028][ C1] RAX: ffffffffffffffda RBX: 00007fb4457c7fa8 RCX: 00007fb44550d789 [ 337.946032][ C1] RDX: 00007ffc867235c0 RSI: 00007ffc867236f0 RDI: 0000000000000011 [ 337.946037][ C1] RBP: 0000000000000000 R08: 00184d72a9be93ae R09: 0000000786723e4f [ 337.946041][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb4457c7fac [ 337.946045][ C1] R13: 00007fb4457c7fa0 R14: 0000000000000095 R15: 0000000000000003 [ 361.610359][ T26] INFO: task kworker/u4:1:9 blocked for more than 192 seconds. [ 361.618066][ T26] Not tainted syzkaller #0 [ 361.810331][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 361.819144][ T26] task:kworker/u4:1 state:D stack: 0 pid: 9 ppid: 2 flags:0x10004000 [ 362.260319][ T26] Workqueue: events_unbound linkwatch_event [ 362.266356][ T26] Call Trace: [ 362.269662][ T26] __schedule+0xb47/0x1310 [ 362.590309][ T26] ? release_firmware_map_entry+0x190/0x190 [ 362.596263][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 362.900361][ T26] ? __kasan_check_write+0x14/0x20 [ 362.905528][ T26] ? kthread_data+0x50/0xc0 [ 362.910052][ T26] ? wq_worker_sleeping+0x60/0x200 [ 363.310340][ T26] schedule+0x13c/0x1d0 [ 363.314552][ T26] schedule_preempt_disabled+0x13/0x20 [ 363.320134][ T26] __mutex_lock+0x6c0/0xc50 [ 363.680401][ T26] ? __kasan_check_read+0x11/0x20 [ 363.685625][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 364.010307][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 364.015686][ T26] __mutex_lock_slowpath+0xe/0x10 [ 364.260282][ T26] mutex_lock+0xcf/0xe0 [ 364.264500][ T26] ? mutex_trylock+0xa0/0xa0 [ 364.269192][ T26] ? __schedule+0xb4f/0x1310 [ 364.630290][ T26] ? read_word_at_a_time+0x12/0x20 [ 364.635465][ T26] rtnl_lock+0x15/0x20 [ 364.639544][ T26] linkwatch_event+0xe/0x60 [ 364.980279][ T26] process_one_work+0x6e1/0xba0 [ 364.985203][ T26] worker_thread+0xa6a/0x13b0 [ 364.990030][ T26] kthread+0x346/0x3d0 [ 365.350278][ T26] ? worker_clr_flags+0x190/0x190 [ 365.355361][ T26] ? kthread_blkcg+0xd0/0xd0 [ 365.359964][ T26] ret_from_fork+0x1f/0x30 [ 365.730319][ T26] INFO: task kworker/u4:2:49 blocked for more than 196 seconds. [ 365.738001][ T26] Not tainted syzkaller #0 [ 366.070268][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 366.079078][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 366.530327][ T26] Workqueue: netns cleanup_net [ 366.535141][ T26] Call Trace: [ 366.538450][ T26] __schedule+0xb47/0x1310 [ 366.860307][ T26] ? release_firmware_map_entry+0x190/0x190 [ 366.866266][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 367.170557][ T26] ? __kasan_check_write+0x14/0x20 [ 367.175726][ T26] ? kthread_data+0x50/0xc0 [ 367.400325][ T26] ? wq_worker_sleeping+0x60/0x200 [ 367.405731][ T26] schedule+0x13c/0x1d0 [ 367.409928][ T26] schedule_preempt_disabled+0x13/0x20 [ 367.800333][ T26] __mutex_lock+0x6c0/0xc50 [ 367.804948][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 368.110330][ T26] ? radix_tree_next_chunk+0x856/0x8f0 [ 368.115848][ T26] __mutex_lock_slowpath+0xe/0x10 [ 368.400315][ T26] mutex_lock+0xcf/0xe0 [ 368.404542][ T26] ? mutex_trylock+0xa0/0xa0 [ 368.409245][ T26] ? __kasan_check_write+0x14/0x20 [ 368.760285][ T26] ? _raw_spin_lock_bh+0x8e/0xe0 [ 368.765301][ T26] rtnl_lock+0x15/0x20 [ 368.769516][ T26] wg_netns_pre_exit+0x1e/0x180 [ 369.140319][ T26] cleanup_net+0x4a8/0xb70 [ 369.144802][ T26] ? __kasan_check_write+0x14/0x20 [ 369.149927][ T26] ? ops_init+0x4a0/0x4a0 [ 369.510326][ T26] ? read_word_at_a_time+0x12/0x20 [ 369.515744][ T26] ? strscpy+0x9b/0x290 [ 369.519919][ T26] process_one_work+0x6e1/0xba0 [ 369.880284][ T26] worker_thread+0xa6a/0x13b0 [ 369.885106][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 370.150358][ T26] kthread+0x346/0x3d0 [ 370.154765][ T26] ? worker_clr_flags+0x190/0x190 [ 370.159840][ T26] ? kthread_blkcg+0xd0/0xd0 [ 370.510282][ T26] ret_from_fork+0x1f/0x30 [ 370.640280][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 180 seconds. [ 370.647869][ T26] Not tainted syzkaller #0 [ 370.980281][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.989003][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 371.450278][ T26] Call Trace: [ 371.453627][ T26] __schedule+0xb47/0x1310 [ 371.458056][ T26] ? release_firmware_map_entry+0x190/0x190 [ 371.790286][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 371.795809][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 372.090283][ T26] ? guard_bio_eod+0x11e/0x190 [ 372.095111][ T26] schedule+0x13c/0x1d0 [ 372.099279][ T26] io_schedule+0x84/0xe0 [ 372.410281][ T26] bit_wait_io+0x13/0xd0 [ 372.414589][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 372.420064][ T26] ? bit_wait+0xd0/0xd0 [ 372.780282][ T26] ? __wait_on_bit+0x180/0x180 [ 372.785230][ T26] ? bit_waitqueue+0x30/0x30 [ 372.789837][ T26] ? _raw_write_trylock+0x140/0x140 [ 373.190308][ T26] __wait_on_buffer+0x77/0x80 [ 373.195145][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 373.490315][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 373.497145][ T26] ? psi_group_change+0x7d3/0xe40 [ 373.810515][ T26] ? compat_start_thread+0x80/0x80 [ 373.815698][ T26] ? __kasan_check_write+0x14/0x20 [ 374.070325][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 374.075957][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 374.360299][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 374.365225][ T26] ? detach_if_pending+0xf4/0x300 [ 374.620296][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 374.626163][ T26] ? del_timer_sync+0x144/0x1a0 [ 374.900275][ T26] kjournald2+0x44c/0x860 [ 374.904681][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 374.909903][ T26] ? io_schedule+0xe0/0xe0 [ 375.250311][ T26] ? __kasan_check_read+0x11/0x20 [ 375.255387][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 375.530321][ T26] kthread+0x346/0x3d0 [ 375.534459][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 375.540025][ T26] ? kthread_blkcg+0xd0/0xd0 [ 375.910302][ T26] ret_from_fork+0x1f/0x30 [ 376.040326][ T26] NMI backtrace for cpu 0 [ 376.044727][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 376.051932][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 376.062079][ T26] Call Trace: [ 376.065411][ T26] __dump_stack+0x21/0x24 [ 376.069751][ T26] dump_stack_lvl+0x169/0x1d8 [ 376.074447][ T26] ? show_regs_print_info+0x18/0x18 [ 376.079663][ T26] ? sched_show_task+0x324/0x4a0 [ 376.084606][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 376.089562][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 376.095643][ T26] dump_stack+0x15/0x1c [ 376.099807][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 376.105883][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 376.111784][ T26] watchdog+0xe2e/0xf70 [ 376.115955][ T26] ? hungtask_pm_notify+0x50/0x50 [ 376.120991][ T26] ? __kasan_check_read+0x11/0x20 [ 376.126028][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 376.131094][ T26] kthread+0x346/0x3d0 [ 376.135199][ T26] ? hungtask_pm_notify+0x50/0x50 [ 376.140437][ T26] ? kthread_blkcg+0xd0/0xd0 [ 376.145384][ T26] ret_from_fork+0x1f/0x30 [ 376.149872][ T26] Sending NMI from CPU 0 to CPUs 1: [ 376.155382][ C1] NMI backtrace for cpu 1 [ 376.155388][ C1] CPU: 1 PID: 409 Comm: syz.0.17 Not tainted syzkaller #0 [ 376.155394][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 376.155398][ C1] RIP: 0010:recalc_sigpending+0x1/0x230 [ 376.155409][ C1] Code: 41 5f 5d c3 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 68 ff ff ff 4c 89 f7 e8 fd 7a 60 00 e9 5b ff ff ff 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 49 bc 00 00 00 00 00 fc ff df [ 376.155413][ C1] RSP: 0018:ffffc90000fa7c78 EFLAGS: 00000046 [ 376.155422][ C1] RAX: ffffffff813dd592 RBX: ffff888111499ba8 RCX: ffff8881114993c0 [ 376.155427][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 376.155432][ C1] RBP: ffffc90000fa7cd8 R08: dffffc0000000000 R09: ffffed1022293279 [ 376.155437][ C1] R10: ffffed1022293279 R11: 1ffff11022293278 R12: dffffc0000000000 [ 376.155442][ C1] R13: ffffc90000fa7ec0 R14: 0000000000000000 R15: ffff888111499ba0 [ 376.155448][ C1] FS: 00005555922bd500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 376.155452][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 376.155457][ C1] CR2: 0000001b32d63fff CR3: 00000001114de000 CR4: 00000000003506a0 [ 376.155462][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 376.155467][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 376.155469][ C1] Call Trace: [ 376.155473][ C1] ? __set_current_blocked+0x1e9/0x230 [ 376.155476][ C1] ? irq_work_queue+0xc1/0x150 [ 376.155479][ C1] set_current_blocked+0x3a/0x40 [ 376.155483][ C1] __ia32_sys_rt_sigreturn+0x157/0x6c0 [ 376.155487][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 376.155490][ C1] ? KSTK_ESP+0x60/0x60 [ 376.155493][ C1] ? bpf_send_signal+0x19/0x20 [ 376.155496][ C1] ? bpf_trace_run2+0xb8/0x200 [ 376.155499][ C1] ? bpf_trace_run1+0x200/0x200 [ 376.155503][ C1] ? __bpf_trace_sys_enter+0x62/0x70 [ 376.155506][ C1] ? syscall_trace_enter+0x108/0x170 [ 376.155509][ C1] do_syscall_64+0x31/0x40 [ 376.155513][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 376.155516][ C1] RIP: 0033:0x7fb44550d789 [ 376.155528][ C1] 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 [ 376.155532][ C1] RSP: 002b:00007ffc867235c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 376.155540][ C1] RAX: ffffffffffffffda RBX: 00007fb4457c7fa8 RCX: 00007fb44550d789 [ 376.155545][ C1] RDX: 00007ffc867235c0 RSI: 00007ffc867236f0 RDI: 0000000000000011 [ 376.155550][ C1] RBP: 0000000000000000 R08: 00184d72a9be93ae R09: 0000000786723e4f [ 376.155555][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb4457c7fac [ 376.155560][ C1] R13: 00007fb4457c7fa0 R14: 0000000000000095 R15: 0000000000000003