Warning: Permanently added '10.128.1.212' (ED25519) to the list of known hosts. 2025/11/08 04:11:29 parsed 1 programs [ 146.120384][ T24] audit: type=1400 audit(1762575089.740:64): 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 [ 146.141152][ T24] audit: type=1400 audit(1762575089.740:65): 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 [ 146.161652][ T24] audit: type=1400 audit(1762575089.740:66): 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 [ 147.046867][ T24] audit: type=1400 audit(1762575090.670:67): avc: denied { mounton } for pid=282 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 [ 147.048283][ T282] cgroup: Unknown subsys name 'net' [ 147.069660][ T24] audit: type=1400 audit(1762575090.670:68): avc: denied { mount } for pid=282 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 [ 147.096924][ T24] audit: type=1400 audit(1762575090.690:69): avc: denied { unmount } for pid=282 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 147.097206][ T282] cgroup: Unknown subsys name 'devices' [ 147.267025][ T282] cgroup: Unknown subsys name 'hugetlb' [ 147.273074][ T282] cgroup: Unknown subsys name 'rlimit' [ 147.482968][ T24] audit: type=1400 audit(1762575091.100:70): avc: denied { setattr } for pid=282 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 [ 147.506181][ T24] audit: type=1400 audit(1762575091.100:71): avc: denied { create } for pid=282 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 147.526595][ T24] audit: type=1400 audit(1762575091.100:72): avc: denied { write } for pid=282 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 147.527141][ T285] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 147.546893][ T24] audit: type=1400 audit(1762575091.100:73): avc: denied { read } for pid=282 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 [ 147.622602][ T282] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 148.122008][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 148.150337][ T293] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 148.571071][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.591385][ T322] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.599226][ T322] device bridge_slave_0 entered promiscuous mode [ 148.640830][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.668196][ T322] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.675786][ T322] device bridge_slave_1 entered promiscuous mode [ 148.815953][ T322] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.823122][ T322] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.830658][ T322] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.837735][ T322] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.869498][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 148.878825][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.886856][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.906630][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 148.925378][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.932461][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.950109][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 148.970373][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.977475][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.985168][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 148.993185][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.010795][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.022722][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.031244][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.038957][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 149.047563][ T322] device veth0_vlan entered promiscuous mode [ 149.057489][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 149.066479][ T322] device veth1_macvtap entered promiscuous mode 2025/11/08 04:11:32 executed programs: 0 [ 149.075526][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 149.085588][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 149.221842][ T355] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.229012][ T355] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.236656][ T355] device bridge_slave_0 entered promiscuous mode [ 149.244665][ T355] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.251983][ T355] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.259560][ T355] device bridge_slave_1 entered promiscuous mode [ 149.362344][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.369515][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.377344][ T363] device bridge_slave_0 entered promiscuous mode [ 149.386511][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.393568][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.401228][ T360] device bridge_slave_0 entered promiscuous mode [ 149.408263][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.415401][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.422848][ T360] device bridge_slave_1 entered promiscuous mode [ 149.432452][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.439702][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.447172][ T363] device bridge_slave_1 entered promiscuous mode [ 149.490914][ T359] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.498252][ T359] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.505697][ T359] device bridge_slave_0 entered promiscuous mode [ 149.514847][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.522173][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.529607][ T361] device bridge_slave_0 entered promiscuous mode [ 149.539484][ T359] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.546836][ T359] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.554277][ T359] device bridge_slave_1 entered promiscuous mode [ 149.578910][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.586103][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.593728][ T361] device bridge_slave_1 entered promiscuous mode [ 149.716063][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 149.723613][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.731117][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 149.739769][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.748068][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.755133][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.762741][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 149.793653][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 149.802545][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.811561][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.818667][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.826480][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 149.848117][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 149.870631][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.878719][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 149.887679][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.895207][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.903454][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 149.912125][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.919346][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.944120][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 149.963029][ T355] device veth0_vlan entered promiscuous mode [ 149.976655][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.985201][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.993777][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 150.001887][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 150.012244][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.033420][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 150.048334][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 150.056921][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 150.067625][ T355] device veth1_macvtap entered promiscuous mode [ 150.090774][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.099054][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.106173][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.113596][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.121383][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 150.129687][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.136736][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.144367][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.152867][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.159908][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.167417][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 150.175813][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.182843][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.190291][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 150.198515][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 150.206303][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 150.231520][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 150.240238][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 150.248478][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 150.257044][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 150.265866][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 150.296412][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 150.304802][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 150.314017][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.321099][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 150.328815][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 150.337138][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.344161][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.351581][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 150.359833][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 150.371461][ T363] device veth0_vlan entered promiscuous mode [ 150.392921][ T359] device veth0_vlan entered promiscuous mode [ 150.400305][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 150.408128][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 150.417391][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 150.425785][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 150.433972][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 150.442734][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 150.451603][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 150.460025][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 150.468688][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 150.477398][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 150.485642][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 150.499456][ T361] device veth0_vlan entered promiscuous mode [ 150.513066][ T363] device veth1_macvtap entered promiscuous mode [ 150.521363][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 150.530335][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 150.538394][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 150.546464][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 150.553988][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 150.562945][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 150.571635][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 150.580396][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 150.589018][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 150.597068][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 150.604582][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 289.975421][ T26] INFO: task kworker/0:1:15 blocked for more than 122 seconds. [ 289.983035][ T26] Not tainted syzkaller #0 [ 290.165064][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 290.173792][ T26] task:kworker/0:1 state:D stack: 0 pid: 15 ppid: 2 flags:0x10004000 [ 290.615077][ T26] Workqueue: ipv6_addrconf addrconf_dad_work [ 290.621120][ T26] Call Trace: [ 290.624443][ T26] __schedule+0xb47/0x1310 [ 290.975049][ T26] ? release_firmware_map_entry+0x190/0x190 [ 290.981003][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 291.285066][ T26] ? __kasan_check_write+0x14/0x20 [ 291.290425][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 291.555057][ T26] ? wq_worker_sleeping+0x196/0x200 [ 291.560310][ T26] schedule+0x13c/0x1d0 [ 291.564523][ T26] schedule_preempt_disabled+0x13/0x20 [ 291.925049][ T26] __mutex_lock+0x6c0/0xc50 [ 291.929742][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 292.245076][ T26] ? __kasan_check_write+0x14/0x20 [ 292.250238][ T26] ? __switch_to+0x50f/0xfc0 [ 292.254844][ T26] __mutex_lock_slowpath+0xe/0x10 [ 292.635092][ T26] mutex_lock+0xcf/0xe0 [ 292.639366][ T26] ? mutex_trylock+0xa0/0xa0 [ 292.643978][ T26] ? psi_group_change+0x7d3/0xe40 [ 292.995046][ T26] ? compat_start_thread+0x80/0x80 [ 293.000225][ T26] rtnl_lock+0x15/0x20 [ 293.004306][ T26] addrconf_dad_work+0xc4/0x1410 [ 293.365069][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 293.370331][ T26] ? finish_task_switch+0x12e/0x5a0 [ 293.665046][ T26] ? ipv6_get_saddr_eval+0xf70/0xf70 [ 293.670392][ T26] ? __schedule+0xb4f/0x1310 [ 293.675004][ T26] ? __kasan_check_read+0x11/0x20 [ 293.910119][ T26] ? read_word_at_a_time+0x12/0x20 [ 294.205047][ T26] ? strscpy+0x9b/0x290 [ 294.209258][ T26] process_one_work+0x6e1/0xba0 [ 294.214124][ T26] worker_thread+0xa6a/0x13b0 [ 294.565072][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 294.570590][ T26] ? __kasan_check_read+0x11/0x20 [ 294.815052][ T26] kthread+0x346/0x3d0 [ 294.819174][ T26] ? worker_clr_flags+0x190/0x190 [ 294.824237][ T26] ? kthread_blkcg+0xd0/0xd0 [ 295.185052][ T26] ret_from_fork+0x1f/0x30 [ 295.325050][ T26] INFO: task kworker/u4:2:49 blocked for more than 128 seconds. [ 295.332730][ T26] Not tainted syzkaller #0 [ 295.635056][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 295.643783][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 296.115081][ T26] Workqueue: netns cleanup_net [ 296.119905][ T26] Call Trace: [ 296.123208][ T26] __schedule+0xb47/0x1310 [ 296.445073][ T26] ? release_firmware_map_entry+0x190/0x190 [ 296.451028][ T26] ? kthread_data+0x50/0xc0 [ 296.755082][ T26] ? wq_worker_sleeping+0x60/0x200 [ 296.760252][ T26] schedule+0x13c/0x1d0 [ 296.764419][ T26] synchronize_rcu_expedited+0x474/0x5e0 [ 297.115067][ T26] ? synchronize_rcu+0x110/0x110 [ 297.120060][ T26] ? __kasan_check_write+0x14/0x20 [ 297.375047][ T26] ? kmem_cache_free+0x100/0x2d0 [ 297.380036][ T26] ? ____kasan_slab_free+0x130/0x160 [ 297.685089][ T26] ? rcu_exp_handler+0x370/0x370 [ 297.690081][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 297.905052][ T26] ? kmem_cache_free+0x100/0x2d0 [ 297.910047][ T26] ? nfnl_queue_net_exit+0x100/0x100 [ 298.215045][ T26] ? synchronize_rcu+0x88/0x110 [ 298.220049][ T26] ? io_schedule+0xe0/0xe0 [ 298.224575][ T26] ? pde_put+0x14e/0x1a0 [ 298.535041][ T26] ? __kasan_check_read+0x11/0x20 [ 298.540225][ T26] synchronize_net+0x28/0x40 [ 298.544831][ T26] nfnetlink_net_exit_batch+0x96/0x110 [ 298.975039][ T26] ? nfnetlink_net_init+0x140/0x140 [ 298.980306][ T26] cleanup_net+0x5fb/0xb70 [ 298.984738][ T26] ? __kasan_check_write+0x14/0x20 [ 299.335067][ T26] ? ops_init+0x4a0/0x4a0 [ 299.339501][ T26] ? read_word_at_a_time+0x12/0x20 [ 299.344639][ T26] ? strscpy+0x9b/0x290 [ 299.715043][ T26] process_one_work+0x6e1/0xba0 [ 299.719963][ T26] worker_thread+0xa6a/0x13b0 [ 299.724656][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 300.115042][ T26] kthread+0x346/0x3d0 [ 300.119163][ T26] ? worker_clr_flags+0x190/0x190 [ 300.124202][ T26] ? kthread_blkcg+0xd0/0xd0 [ 300.475039][ T26] ret_from_fork+0x1f/0x30 [ 300.595051][ T26] INFO: task syz-executor:359 blocked for more than 133 seconds. [ 300.602822][ T26] Not tainted syzkaller #0 [ 300.925077][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 300.933802][ T26] task:syz-executor state:D stack: 0 pid: 359 ppid: 356 flags:0x10004000 [ 301.395029][ T26] Call Trace: [ 301.398372][ T26] __schedule+0xb47/0x1310 [ 301.402804][ T26] ? release_firmware_map_entry+0x190/0x190 [ 301.755046][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 301.760215][ T26] ? __kasan_check_write+0x14/0x20 [ 302.015070][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 302.020935][ T26] schedule+0x13c/0x1d0 [ 302.325074][ T26] schedule_preempt_disabled+0x13/0x20 [ 302.330592][ T26] __mutex_lock+0x6c0/0xc50 [ 302.545069][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 302.551888][ T26] ? cap_capable+0x19c/0x220 [ 302.865044][ T26] __mutex_lock_slowpath+0xe/0x10 [ 302.870118][ T26] mutex_lock+0xcf/0xe0 [ 302.874282][ T26] ? mutex_trylock+0xa0/0xa0 [ 303.215080][ T26] ? ns_capable+0x8c/0xf0 [ 303.219468][ T26] ? netlink_net_capable+0x125/0x160 [ 303.224765][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 303.605044][ T26] ? rtnetlink_bind+0x80/0x80 [ 303.609771][ T26] ? arch_stack_walk+0xee/0x140 [ 303.614638][ T26] ? stack_trace_save+0x98/0xe0 [ 303.975043][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 303.980325][ T26] ? memcpy+0x56/0x70 [ 303.984321][ T26] ? avc_has_perm+0x234/0x360 [ 304.355067][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 304.360159][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 304.615041][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 304.620332][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 304.905092][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 304.910538][ T26] netlink_rcv_skb+0x1e0/0x430 [ 305.185044][ T26] ? rtnetlink_bind+0x80/0x80 [ 305.189883][ T26] ? netlink_ack+0xb80/0xb80 [ 305.194493][ T26] ? __netlink_lookup+0x387/0x3b0 [ 305.555042][ T26] rtnetlink_rcv+0x1c/0x20 [ 305.559553][ T26] netlink_unicast+0x876/0xa40 [ 305.564333][ T26] netlink_sendmsg+0x88d/0xb30 [ 305.915049][ T26] ? netlink_getsockopt+0x530/0x530 [ 305.920347][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 306.195065][ T26] __sys_sendto+0x41d/0x580 [ 306.199626][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 306.475055][ T26] ? ____fput+0x15/0x20 [ 306.479295][ T26] __x64_sys_sendto+0xe5/0x100 [ 306.484082][ T26] do_syscall_64+0x31/0x40 [ 306.825066][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 306.831156][ T26] RIP: 0033:0x7f03cbe0c503 [ 307.105072][ T26] RSP: 002b:00007ffe85e30d98 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 307.113560][ T26] RAX: ffffffffffffffda RBX: 00007f03ccb8f620 RCX: 00007f03cbe0c503 [ 307.545057][ T26] RDX: 0000000000000040 RSI: 00007f03ccb8f670 RDI: 0000000000000003 [ 307.553087][ T26] RBP: 0000000000000001 R08: 00007ffe85e30db4 R09: 000000000000000c [ 307.945283][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 307.953308][ T26] R13: 0000000000000000 R14: 00007f03ccb8f670 R15: 0000000000000000 [ 308.355069][ T26] INFO: task syz-executor:360 blocked for more than 141 seconds. [ 308.362919][ T26] Not tainted syzkaller #0 [ 308.695064][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 308.703793][ T26] task:syz-executor state:D stack: 0 pid: 360 ppid: 358 flags:0x10004000 [ 309.175027][ T26] Call Trace: [ 309.178381][ T26] __schedule+0xb47/0x1310 [ 309.182816][ T26] ? release_firmware_map_entry+0x190/0x190 [ 309.515040][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 309.520212][ T26] ? __kasan_check_write+0x14/0x20 [ 309.795065][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 309.800979][ T26] schedule+0x13c/0x1d0 [ 310.065065][ T26] schedule_preempt_disabled+0x13/0x20 [ 310.070730][ T26] __mutex_lock+0x6c0/0xc50 [ 310.325072][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 310.331902][ T26] ? cap_capable+0x19c/0x220 [ 310.625083][ T26] __mutex_lock_slowpath+0xe/0x10 [ 310.630157][ T26] mutex_lock+0xcf/0xe0 [ 310.634426][ T26] ? mutex_trylock+0xa0/0xa0 [ 311.005039][ T26] ? ns_capable+0x8c/0xf0 [ 311.009421][ T26] ? netlink_net_capable+0x125/0x160 [ 311.014812][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 311.395057][ T26] ? rtnetlink_bind+0x80/0x80 [ 311.399783][ T26] ? arch_stack_walk+0xee/0x140 [ 311.404648][ T26] ? stack_trace_save+0x98/0xe0 [ 311.775033][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 311.780208][ T26] ? memcpy+0x56/0x70 [ 311.784200][ T26] ? avc_has_perm+0x234/0x360 [ 312.125038][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 312.130117][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 312.435067][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 312.440064][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 312.665046][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 312.670552][ T26] netlink_rcv_skb+0x1e0/0x430 [ 312.955036][ T26] ? rtnetlink_bind+0x80/0x80 [ 312.959764][ T26] ? netlink_ack+0xb80/0xb80 [ 312.964376][ T26] ? __netlink_lookup+0x387/0x3b0 [ 313.345043][ T26] rtnetlink_rcv+0x1c/0x20 [ 313.349635][ T26] netlink_unicast+0x876/0xa40 [ 313.354419][ T26] netlink_sendmsg+0x88d/0xb30 [ 313.705072][ T26] ? netlink_getsockopt+0x530/0x530 [ 313.710329][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 313.975060][ T26] __sys_sendto+0x41d/0x580 [ 313.979627][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 314.235040][ T26] ? ____fput+0x15/0x20 [ 314.239250][ T26] __x64_sys_sendto+0xe5/0x100 [ 314.244026][ T26] do_syscall_64+0x31/0x40 [ 314.595063][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 314.601000][ T26] RIP: 0033:0x7fcdb1b22503 [ 314.845026][ T26] RSP: 002b:00007ffdef26b2a8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 314.853591][ T26] RAX: ffffffffffffffda RBX: 00007fcdb28a5620 RCX: 00007fcdb1b22503 [ 315.315064][ T26] RDX: 0000000000000040 RSI: 00007fcdb28a5670 RDI: 0000000000000003 [ 315.323123][ T26] RBP: 0000000000000001 R08: 00007ffdef26b2c4 R09: 000000000000000c [ 315.735065][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 315.743266][ T26] R13: 0000000000000000 R14: 00007fcdb28a5670 R15: 0000000000000000 [ 316.145102][ T26] INFO: task syz-executor:361 blocked for more than 149 seconds. [ 316.152868][ T26] Not tainted syzkaller #0 [ 316.485042][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 316.493765][ T26] task:syz-executor state:D stack: 0 pid: 361 ppid: 354 flags:0x10004000 [ 316.955034][ T26] Call Trace: [ 316.958384][ T26] __schedule+0xb47/0x1310 [ 316.962811][ T26] ? release_firmware_map_entry+0x190/0x190 [ 317.305040][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 317.310219][ T26] ? __kasan_check_write+0x14/0x20 [ 317.595063][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 317.601133][ T26] schedule+0x13c/0x1d0 [ 317.835060][ T26] schedule_preempt_disabled+0x13/0x20 [ 317.840564][ T26] __mutex_lock+0x6c0/0xc50 [ 318.105057][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 318.111876][ T26] ? cap_capable+0x19c/0x220 [ 318.405058][ T26] __mutex_lock_slowpath+0xe/0x10 [ 318.410137][ T26] mutex_lock+0xcf/0xe0 [ 318.414309][ T26] ? mutex_trylock+0xa0/0xa0 [ 318.755043][ T26] ? ns_capable+0x8c/0xf0 [ 318.759432][ T26] ? netlink_net_capable+0x125/0x160 [ 318.764731][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 319.165035][ T26] ? rtnetlink_bind+0x80/0x80 [ 319.169781][ T26] ? arch_stack_walk+0xee/0x140 [ 319.174654][ T26] ? stack_trace_save+0x98/0xe0 [ 319.555065][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 319.560233][ T26] ? memcpy+0x56/0x70 [ 319.564230][ T26] ? avc_has_perm+0x234/0x360 [ 319.915031][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 319.920115][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 320.185041][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 320.190050][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 320.465091][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 320.470699][ T26] netlink_rcv_skb+0x1e0/0x430 [ 320.715079][ T26] ? rtnetlink_bind+0x80/0x80 [ 320.719868][ T26] ? netlink_ack+0xb80/0xb80 [ 320.724505][ T26] ? __netlink_lookup+0x387/0x3b0 [ 321.085061][ T26] rtnetlink_rcv+0x1c/0x20 [ 321.089535][ T26] netlink_unicast+0x876/0xa40 [ 321.094326][ T26] netlink_sendmsg+0x88d/0xb30 [ 321.465070][ T26] ? netlink_getsockopt+0x530/0x530 [ 321.470322][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 321.755056][ T26] __sys_sendto+0x41d/0x580 [ 321.759610][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 322.015040][ T26] ? ____fput+0x15/0x20 [ 322.019344][ T26] __x64_sys_sendto+0xe5/0x100 [ 322.024220][ T26] do_syscall_64+0x31/0x40 [ 322.355034][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 322.360982][ T26] RIP: 0033:0x7f74b6eef503 [ 322.635033][ T26] RSP: 002b:00007ffe06e6c308 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 322.643501][ T26] RAX: ffffffffffffffda RBX: 00007f74b7c72620 RCX: 00007f74b6eef503 [ 323.065023][ T26] RDX: 0000000000000028 RSI: 00007f74b7c72670 RDI: 0000000000000003 [ 323.073047][ T26] RBP: 0000000000000001 R08: 00007ffe06e6c324 R09: 000000000000000c [ 323.495027][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 323.503160][ T26] R13: 0000000000000000 R14: 00007f74b7c72670 R15: 0000000000000000 [ 323.915067][ T26] INFO: task syz-executor:363 blocked for more than 156 seconds. [ 323.922837][ T26] Not tainted syzkaller #0 [ 324.265041][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 324.273763][ T26] task:syz-executor state:D stack: 0 pid: 363 ppid: 357 flags:0x10004000 [ 324.725049][ T26] Call Trace: [ 324.728412][ T26] __schedule+0xb47/0x1310 [ 324.733023][ T26] ? release_firmware_map_entry+0x190/0x190 [ 325.095060][ T26] ? __mutex_add_waiter+0xc7/0x270 [ 325.100314][ T26] ? __kasan_check_write+0x14/0x20 [ 325.345074][ T26] ? atomic_dec_and_mutex_lock+0x190/0x190 [ 325.350933][ T26] schedule+0x13c/0x1d0 [ 325.645052][ T26] schedule_preempt_disabled+0x13/0x20 [ 325.650647][ T26] __mutex_lock+0x6c0/0xc50 [ 325.885031][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 325.891856][ T26] ? cap_capable+0x19c/0x220 [ 326.205082][ T26] __mutex_lock_slowpath+0xe/0x10 [ 326.210169][ T26] mutex_lock+0xcf/0xe0 [ 326.214481][ T26] ? mutex_trylock+0xa0/0xa0 [ 326.575055][ T26] ? ns_capable+0x8c/0xf0 [ 326.579551][ T26] ? netlink_net_capable+0x125/0x160 [ 326.584853][ T26] rtnetlink_rcv_msg+0x4b7/0xb90 [ 326.945034][ T26] ? rtnetlink_bind+0x80/0x80 [ 326.949780][ T26] ? arch_stack_walk+0xee/0x140 [ 326.954648][ T26] ? stack_trace_save+0x98/0xe0 [ 327.315064][ T26] ? stack_trace_snprint+0xf0/0xf0 [ 327.320231][ T26] ? memcpy+0x56/0x70 [ 327.324229][ T26] ? avc_has_perm+0x234/0x360 [ 327.695068][ T26] ? __kasan_slab_alloc+0xbd/0xf0 [ 327.700149][ T26] ? slab_post_alloc_hook+0x5d/0x2f0 [ 327.955056][ T26] ? __x64_sys_sendto+0xe5/0x100 [ 327.960050][ T26] ? avc_has_perm_noaudit+0x240/0x240 [ 328.245066][ T26] ? selinux_nlmsg_lookup+0x3de/0x4a0 [ 328.250506][ T26] netlink_rcv_skb+0x1e0/0x430 [ 328.495031][ T26] ? rtnetlink_bind+0x80/0x80 [ 328.499767][ T26] ? netlink_ack+0xb80/0xb80 [ 328.504373][ T26] ? __netlink_lookup+0x387/0x3b0 [ 328.875040][ T26] rtnetlink_rcv+0x1c/0x20 [ 328.879519][ T26] netlink_unicast+0x876/0xa40 [ 328.884297][ T26] netlink_sendmsg+0x88d/0xb30 [ 329.255033][ T26] ? netlink_getsockopt+0x530/0x530 [ 329.260292][ T26] ? security_socket_sendmsg+0x82/0xa0 [ 329.545047][ T26] __sys_sendto+0x41d/0x580 [ 329.549622][ T26] ? __ia32_sys_getpeername+0x90/0x90 [ 329.775031][ T26] ? ____fput+0x15/0x20 [ 329.779252][ T26] __x64_sys_sendto+0xe5/0x100 [ 329.784022][ T26] do_syscall_64+0x31/0x40 [ 330.135033][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 330.140979][ T26] RIP: 0033:0x7f05919b0503 [ 330.415042][ T26] RSP: 002b:00007ffd244d80e8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 330.423517][ T26] RAX: ffffffffffffffda RBX: 00007f0592733620 RCX: 00007f05919b0503 [ 330.845019][ T26] RDX: 0000000000000028 RSI: 00007f0592733670 RDI: 0000000000000003 [ 330.853052][ T26] RBP: 0000000000000001 R08: 00007ffd244d8104 R09: 000000000000000c [ 331.245054][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 331.253081][ T26] R13: 0000000000000000 R14: 00007f0592733670 R15: 0000000000000000 [ 331.675086][ T26] INFO: task kworker/1:15:391 blocked for more than 164 seconds. [ 331.682852][ T26] Not tainted syzkaller #0 [ 332.035010][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 332.043735][ T26] task:kworker/1:15 state:D stack: 0 pid: 391 ppid: 2 flags:0x10004000 [ 332.495023][ T26] Workqueue: events fqdir_work_fn [ 332.500108][ T26] Call Trace: [ 332.503415][ T26] __schedule+0xb47/0x1310 [ 332.835034][ T26] ? release_firmware_map_entry+0x190/0x190 [ 332.840989][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 333.135025][ T26] ? wq_worker_sleeping+0x196/0x200 [ 333.140334][ T26] schedule+0x13c/0x1d0 [ 333.144504][ T26] schedule_preempt_disabled+0x13/0x20 [ 333.525084][ T26] __mutex_lock+0x6c0/0xc50 [ 333.529765][ T26] ? debug_smp_processor_id+0x17/0x20 [ 333.785053][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 333.791876][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 334.115055][ T26] ? kvfree+0x35/0x40 [ 334.119098][ T26] __mutex_lock_slowpath+0xe/0x10 [ 334.124129][ T26] mutex_lock+0xcf/0xe0 [ 334.445034][ T26] ? mutex_trylock+0xa0/0xa0 [ 334.449688][ T26] ? inet_frag_pull_head+0x180/0x180 [ 334.715058][ T26] rcu_barrier+0x46/0x400 [ 334.719448][ T26] fqdir_work_fn+0x57/0xe0 [ 334.723886][ T26] process_one_work+0x6e1/0xba0 [ 335.085059][ T26] worker_thread+0xa6a/0x13b0 [ 335.089896][ T26] kthread+0x346/0x3d0 [ 335.093974][ T26] ? worker_clr_flags+0x190/0x190 [ 335.445028][ T26] ? kthread_blkcg+0xd0/0xd0 [ 335.449674][ T26] ret_from_fork+0x1f/0x30 [ 335.705025][ T26] INFO: task kworker/1:16:392 blocked for more than 168 seconds. [ 335.712969][ T26] Not tainted syzkaller #0 [ 336.035033][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 336.043850][ T26] task:kworker/1:16 state:D stack: 0 pid: 392 ppid: 2 flags:0x10004000 [ 336.485027][ T26] Workqueue: events fqdir_work_fn [ 336.490247][ T26] Call Trace: [ 336.493553][ T26] __schedule+0xb47/0x1310 [ 336.835037][ T26] ? release_firmware_map_entry+0x190/0x190 [ 336.840984][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 337.135053][ T26] ? wq_worker_sleeping+0x196/0x200 [ 337.140397][ T26] schedule+0x13c/0x1d0 [ 337.144566][ T26] schedule_preempt_disabled+0x13/0x20 [ 337.535055][ T26] __mutex_lock+0x6c0/0xc50 [ 337.539613][ T26] ? debug_smp_processor_id+0x17/0x20 [ 337.785052][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 337.791872][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 338.095028][ T26] ? kvfree+0x35/0x40 [ 338.099093][ T26] __mutex_lock_slowpath+0xe/0x10 [ 338.104140][ T26] mutex_lock+0xcf/0xe0 [ 338.465044][ T26] ? mutex_trylock+0xa0/0xa0 [ 338.469786][ T26] ? inet_frag_pull_head+0x180/0x180 [ 338.745050][ T26] rcu_barrier+0x46/0x400 [ 338.749569][ T26] fqdir_work_fn+0x57/0xe0 [ 338.754015][ T26] process_one_work+0x6e1/0xba0 [ 339.115056][ T26] worker_thread+0xa6a/0x13b0 [ 339.119790][ T26] kthread+0x346/0x3d0 [ 339.123956][ T26] ? worker_clr_flags+0x190/0x190 [ 339.455058][ T26] ? kthread_blkcg+0xd0/0xd0 [ 339.459699][ T26] ret_from_fork+0x1f/0x30 [ 339.695018][ T26] INFO: task kworker/1:17:393 blocked for more than 172 seconds. [ 339.702879][ T26] Not tainted syzkaller #0 [ 340.045012][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 340.053741][ T26] task:kworker/1:17 state:D stack: 0 pid: 393 ppid: 2 flags:0x10004000 [ 340.515052][ T26] Workqueue: events fqdir_work_fn [ 340.520222][ T26] Call Trace: [ 340.523535][ T26] __schedule+0xb47/0x1310 [ 340.845038][ T26] ? release_firmware_map_entry+0x190/0x190 [ 340.850990][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 341.155059][ T26] ? wq_worker_sleeping+0x196/0x200 [ 341.160311][ T26] schedule+0x13c/0x1d0 [ 341.164476][ T26] schedule_preempt_disabled+0x13/0x20 [ 341.505022][ T26] __mutex_lock+0x6c0/0xc50 [ 341.509590][ T26] ? debug_smp_processor_id+0x17/0x20 [ 341.785035][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 341.791870][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 342.115025][ T26] ? kvfree+0x35/0x40 [ 342.119067][ T26] __mutex_lock_slowpath+0xe/0x10 [ 342.124100][ T26] mutex_lock+0xcf/0xe0 [ 342.445021][ T26] ? mutex_trylock+0xa0/0xa0 [ 342.449670][ T26] ? inet_frag_pull_head+0x180/0x180 [ 342.735304][ T26] rcu_barrier+0x46/0x400 [ 342.739689][ T26] fqdir_work_fn+0x57/0xe0 [ 342.744131][ T26] process_one_work+0x6e1/0xba0 [ 343.075030][ T26] worker_thread+0xa6a/0x13b0 [ 343.079778][ T26] kthread+0x346/0x3d0 [ 343.083855][ T26] ? worker_clr_flags+0x190/0x190 [ 343.455036][ T26] ? kthread_blkcg+0xd0/0xd0 [ 343.459701][ T26] ret_from_fork+0x1f/0x30 [ 343.685053][ T26] INFO: task kworker/1:18:394 blocked for more than 176 seconds. [ 343.692819][ T26] Not tainted syzkaller #0 [ 344.035036][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 344.043773][ T26] task:kworker/1:18 state:D stack: 0 pid: 394 ppid: 2 flags:0x10004000 [ 344.515035][ T26] Workqueue: events fqdir_work_fn [ 344.520114][ T26] Call Trace: [ 344.523437][ T26] __schedule+0xb47/0x1310 [ 344.845046][ T26] ? release_firmware_map_entry+0x190/0x190 [ 344.851537][ T26] ? _raw_spin_unlock_irq+0x4e/0x70 [ 345.165051][ T26] ? wq_worker_sleeping+0x196/0x200 [ 345.170308][ T26] schedule+0x13c/0x1d0 [ 345.174486][ T26] schedule_preempt_disabled+0x13/0x20 [ 345.535022][ T26] __mutex_lock+0x6c0/0xc50 [ 345.539580][ T26] ? debug_smp_processor_id+0x17/0x20 [ 345.544973][ T26] ? __ww_mutex_lock_interruptible_slowpath+0x20/0x20 [ 345.812187][ T26] ? slab_free_freelist_hook+0xc5/0x190 [ 346.155055][ T26] ? kvfree+0x35/0x40 [ 346.159102][ T26] __mutex_lock_slowpath+0xe/0x10 [ 346.164280][ T26] mutex_lock+0xcf/0xe0 [ 346.485027][ T26] ? mutex_trylock+0xa0/0xa0 [ 346.489807][ T26] ? inet_frag_pull_head+0x180/0x180 [ 346.755068][ T26] rcu_barrier+0x46/0x400 [ 346.759465][ T26] fqdir_work_fn+0x57/0xe0 [ 346.763914][ T26] process_one_work+0x6e1/0xba0 [ 347.115057][ T26] worker_thread+0xa6a/0x13b0 [ 347.119811][ T26] kthread+0x346/0x3d0 [ 347.123898][ T26] ? worker_clr_flags+0x190/0x190 [ 347.495024][ T26] ? kthread_blkcg+0xd0/0xd0 [ 347.499679][ T26] ret_from_fork+0x1f/0x30 [ 347.685028][ T26] NMI backtrace for cpu 0 [ 347.689426][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 347.696629][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 347.706698][ T26] Call Trace: [ 347.710000][ T26] __dump_stack+0x21/0x24 [ 347.714350][ T26] dump_stack_lvl+0x169/0x1d8 [ 347.719042][ T26] ? show_regs_print_info+0x18/0x18 [ 347.724247][ T26] ? sched_show_task+0x324/0x4a0 [ 347.729192][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 347.734136][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 347.740221][ T26] dump_stack+0x15/0x1c [ 347.744406][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 347.750398][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 347.756308][ T26] watchdog+0xe2e/0xf70 [ 347.760471][ T26] ? hungtask_pm_notify+0x50/0x50 [ 347.765506][ T26] ? __kasan_check_read+0x11/0x20 [ 347.770539][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 347.775581][ T26] kthread+0x346/0x3d0 [ 347.779660][ T26] ? hungtask_pm_notify+0x50/0x50 [ 347.784692][ T26] ? kthread_blkcg+0xd0/0xd0 [ 347.789467][ T26] ret_from_fork+0x1f/0x30 [ 347.793999][ T26] Sending NMI from CPU 0 to CPUs 1: [ 347.799715][ C1] NMI backtrace for cpu 1 [ 347.799721][ C1] CPU: 1 PID: 402 Comm: syz.0.17 Not tainted syzkaller #0 [ 347.799727][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 347.799731][ C1] RIP: 0010:update_stack_state+0x368/0x480 [ 347.799743][ C1] Code: 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 4c 89 f7 e8 b8 db 6e 00 48 8b 45 d0 49 89 06 48 8b 45 98 42 80 3c 20 00 <4c> 8b 75 c8 4c 8b 6d c0 74 08 4c 89 f7 e8 96 db 6e 00 49 c7 06 00 [ 347.799747][ C1] RSP: 0018:ffffc90000fc7538 EFLAGS: 00000046 [ 347.799755][ C1] RAX: 1ffff920001f8edc RBX: ffffc90000fc7688 RCX: ffffc90000fc7a01 [ 347.799760][ C1] RDX: ffffc90000fc7aa0 RSI: 1ffff920001f8ed2 RDI: ffffc90000fc76e0 [ 347.799765][ C1] RBP: ffffc90000fc75f8 R08: ffffc90000fc7750 R09: ffffc90000fc7748 [ 347.799770][ C1] R10: 0000000000000004 R11: 1ffff920001f8ed1 R12: dffffc0000000000 [ 347.799775][ C1] R13: 0000000000000000 R14: ffffc90000fc76c0 R15: 1ffff920001f8ed9 [ 347.799781][ C1] FS: 0000555565a10500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 347.799785][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 347.799790][ C1] CR2: 0000000000000000 CR3: 00000001113c8000 CR4: 00000000003506a0 [ 347.799795][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 347.799800][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 347.799803][ C1] Call Trace: [ 347.799806][ C1] unwind_next_frame+0x3d5/0x700 [ 347.799809][ C1] ? stack_trace_save+0xe0/0xe0 [ 347.799813][ C1] arch_stack_walk+0x108/0x140 [ 347.799816][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 347.799820][ C1] stack_trace_save+0x98/0xe0 [ 347.799823][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 347.799826][ C1] ? 0xffffffffa0028100 [ 347.799829][ C1] ? memset+0x35/0x40 [ 347.799832][ C1] kasan_set_track+0x4a/0x70 [ 347.799835][ C1] ? kasan_set_track+0x4a/0x70 [ 347.799839][ C1] ? kasan_set_free_info+0x23/0x40 [ 347.799842][ C1] ? ____kasan_slab_free+0x125/0x160 [ 347.799846][ C1] ? __kasan_slab_free+0x11/0x20 [ 347.799849][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 347.799852][ C1] ? kmem_cache_free+0x100/0x2d0 [ 347.799856][ C1] kasan_set_free_info+0x23/0x40 [ 347.799859][ C1] ____kasan_slab_free+0x125/0x160 [ 347.799863][ C1] __kasan_slab_free+0x11/0x20 [ 347.799866][ C1] slab_free_freelist_hook+0xc5/0x190 [ 347.799869][ C1] ? __dequeue_signal+0x530/0x620 [ 347.799873][ C1] kmem_cache_free+0x100/0x2d0 [ 347.799876][ C1] __dequeue_signal+0x530/0x620 [ 347.799879][ C1] dequeue_signal+0xa0/0x440 [ 347.799882][ C1] get_signal+0x772/0x12e0 [ 347.799886][ C1] arch_do_signal_or_restart+0xbf/0x10f0 [ 347.799890][ C1] ? __ia32_sys_rt_sigreturn+0x5e7/0x6c0 [ 347.799893][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 347.799896][ C1] ? KSTK_ESP+0x60/0x60 [ 347.799900][ C1] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 347.799903][ C1] ? __bpf_trace_sys_enter+0x62/0x70 [ 347.799907][ C1] exit_to_user_mode_loop+0xa2/0xe0 [ 347.799910][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 347.799914][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 347.799917][ C1] do_syscall_64+0x3d/0x40 [ 347.799921][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 347.799924][ C1] RIP: 0033:0x7f3c2fa406c9 [ 347.799935][ C1] 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 [ 347.799939][ C1] RSP: 002b:00007ffc72865f78 EFLAGS: 00000246 [ 347.799946][ C1] RAX: 0000000000000000 RBX: 00007f3c2fc96fa8 RCX: 00007f3c2fa406c9 [ 347.799951][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3c2fc96fac [ 347.799956][ C1] RBP: 0000000000000000 R08: 00291525f93ef128 R09: 000000077286626f [ 347.799961][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f3c2fc96fac [ 347.799966][ C1] R13: 00007f3c2fc96fa0 R14: 0000000000000095 R15: 0000000000000003