[ 6.319656][ T24] audit: type=1400 audit(1764379290.330:58): avc: denied { read } for pid=187 comm="getty" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 syzkaller syzkaller login: [ 12.481081][ T24] audit: type=1400 audit(1764379296.520:59): avc: denied { transition } for pid=217 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.488352][ T24] audit: type=1400 audit(1764379296.520:60): avc: denied { noatsecure } for pid=217 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.494409][ T24] audit: type=1400 audit(1764379296.520:61): avc: denied { write } for pid=217 comm="sh" path="pipe:[12990]" dev="pipefs" ino=12990 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.501310][ T24] audit: type=1400 audit(1764379296.520:62): avc: denied { rlimitinh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.506669][ T24] audit: type=1400 audit(1764379296.520:63): avc: denied { siginh } for pid=217 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.192' (ED25519) to the list of known hosts. 2025/11/29 01:23:33 parsed 1 programs [ 129.159875][ T24] audit: type=1400 audit(1764379413.200:64): 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 [ 129.166619][ T24] audit: type=1400 audit(1764379413.200:65): 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 [ 129.172654][ T24] audit: type=1400 audit(1764379413.200:66): 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 [ 130.003156][ T24] audit: type=1400 audit(1764379414.040:67): 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 [ 130.004341][ T284] cgroup: Unknown subsys name 'net' [ 130.025819][ T24] audit: type=1400 audit(1764379414.040:68): 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 [ 130.053081][ T24] audit: type=1400 audit(1764379414.070:69): 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 [ 130.053402][ T284] cgroup: Unknown subsys name 'devices' [ 130.256035][ T284] cgroup: Unknown subsys name 'hugetlb' [ 130.261719][ T284] cgroup: Unknown subsys name 'rlimit' [ 130.409754][ T24] audit: type=1400 audit(1764379414.450:70): 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 [ 130.432984][ T24] audit: type=1400 audit(1764379414.450:71): 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 [ 130.453361][ T24] audit: type=1400 audit(1764379414.450:72): 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 [ 130.473623][ T24] audit: type=1400 audit(1764379414.450:73): 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 [ 130.493040][ T286] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 130.566279][ T284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 131.075097][ T292] request_module fs-gadgetfs succeeded, but still no fs? [ 131.086862][ T294] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 131.328044][ T310] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.384968][ T310] bridge0: port 1(bridge_slave_0) entered disabled state [ 131.392691][ T310] device bridge_slave_0 entered promiscuous mode [ 131.444594][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.451643][ T310] bridge0: port 2(bridge_slave_1) entered disabled state [ 131.459262][ T310] device bridge_slave_1 entered promiscuous mode [ 131.574795][ T310] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.581901][ T310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.589202][ T310] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.596242][ T310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.630775][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 131.638893][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 131.646959][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 131.666424][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 131.675355][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.682400][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.689991][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 131.698303][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.705452][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.712838][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 131.720963][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 131.735112][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 131.746730][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 131.755381][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 131.762894][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 131.771239][ T310] device veth0_vlan entered promiscuous mode [ 131.783635][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 131.793126][ T310] device veth1_macvtap entered promiscuous mode [ 131.803600][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 131.814049][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2025/11/29 01:23:35 executed programs: 0 [ 132.025846][ T357] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.032915][ T357] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.040515][ T357] device bridge_slave_0 entered promiscuous mode [ 132.048440][ T357] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.055502][ T357] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.062795][ T357] device bridge_slave_1 entered promiscuous mode [ 132.113683][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.120837][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.128352][ T362] device bridge_slave_0 entered promiscuous mode [ 132.149096][ T358] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.156200][ T358] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.163459][ T358] device bridge_slave_0 entered promiscuous mode [ 132.171327][ T358] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.179014][ T358] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.186855][ T358] device bridge_slave_1 entered promiscuous mode [ 132.193328][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.200505][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.207898][ T362] device bridge_slave_1 entered promiscuous mode [ 132.226960][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.234000][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.241408][ T361] device bridge_slave_0 entered promiscuous mode [ 132.250339][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.257462][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.264806][ T361] device bridge_slave_1 entered promiscuous mode [ 132.328971][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.336092][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.343439][ T360] device bridge_slave_0 entered promiscuous mode [ 132.352258][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.359672][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.367082][ T360] device bridge_slave_1 entered promiscuous mode [ 132.462477][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.469540][ T361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.476884][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.483894][ T361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.534000][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.541058][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.548323][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.555348][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.573320][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.580587][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.588294][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.596035][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.603729][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.611237][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.618624][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.626920][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.635164][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.642178][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.667031][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 132.675014][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.682374][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.689828][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.698819][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.707474][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.714523][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.721937][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.729812][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.737251][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 132.745202][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 132.753095][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.761355][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.768391][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.775781][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.783869][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.790899][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.807235][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 132.814689][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.822051][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.830975][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.839216][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.846244][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.853714][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 132.862429][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.870656][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.877691][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.885162][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.893419][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.901589][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.908625][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.916043][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 132.924292][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.932532][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.939557][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.947111][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 132.954777][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 132.970478][ T358] device veth0_vlan entered promiscuous mode [ 132.982998][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 132.991528][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 132.999958][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 133.007499][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 133.031363][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 133.039486][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.047467][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.056041][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 133.064143][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 133.071181][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 133.078662][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 133.086963][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 133.093977][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 133.110129][ T358] device veth1_macvtap entered promiscuous mode [ 133.118716][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 133.127150][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.135149][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.143067][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.166030][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 133.174104][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 133.183118][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.192403][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 133.200697][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 133.223788][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 133.242019][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 133.250575][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 133.258922][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 133.267540][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 133.276380][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 133.284710][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 133.299777][ T362] device veth0_vlan entered promiscuous mode [ 133.309597][ T361] device veth0_vlan entered promiscuous mode [ 133.323896][ T360] device veth0_vlan entered promiscuous mode [ 133.331098][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 133.339735][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 133.348392][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 133.356765][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 133.365096][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 133.373001][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 133.381672][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 133.389907][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 133.403572][ T357] device veth0_vlan entered promiscuous mode [ 133.419851][ T361] device veth1_macvtap entered promiscuous mode [ 133.432949][ T360] device veth1_macvtap entered promiscuous mode [ 133.441696][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 133.450139][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 133.457751][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 133.467725][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 133.475382][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 133.482850][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 133.490761][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 133.499653][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 133.508567][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 133.516845][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 133.525382][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 133.545276][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 133.585093][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 133.593296][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 133.614986][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 133.634721][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 133.654628][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 133.685091][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 133.747106][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 133.845453][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 134.196657][ T49] device bridge_slave_1 left promiscuous mode [ 134.202822][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 134.295247][ T49] device bridge_slave_0 left promiscuous mode [ 134.301402][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 134.645198][ T49] device veth1_macvtap left promiscuous mode [ 134.651240][ T49] device veth0_vlan left promiscuous mode [ 264.945556][ T26] INFO: task kworker/u4:2:49 blocked for more than 122 seconds. [ 264.953224][ T26] Not tainted syzkaller #0 [ 265.174388][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 265.183088][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 265.754432][ T26] Workqueue: netns cleanup_net [ 265.759249][ T26] Call Trace: [ 265.762553][ T26] __schedule+0xb47/0x1310 [ 266.174408][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 266.180335][ T26] ? kthread_data+0x50/0xc0 [ 266.474402][ T26] ? wq_worker_sleeping+0x60/0x200 [ 266.479546][ T26] schedule+0x13c/0x1d0 [ 266.483701][ T26] schedule_timeout+0xa6/0x2d0 [ 266.934411][ T26] ? console_conditional_schedule+0x10/0x10 [ 266.940470][ T26] ? __prepare_to_swait+0xa8/0x130 [ 267.344441][ T26] wait_for_common+0x284/0x430 [ 267.349271][ T26] ? __kasan_check_write+0x14/0x20 [ 267.644427][ T26] ? wait_for_completion+0x20/0x20 [ 267.649580][ T26] ? mutex_lock+0x8c/0xe0 [ 267.653912][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 268.124423][ T26] wait_for_completion+0x18/0x20 [ 268.129403][ T26] flush_workqueue+0x606/0x13a0 [ 268.134268][ T26] ? flush_work+0x20/0x20 [ 268.594407][ T26] ? rcu_work_rcufn+0x50/0x50 [ 268.599124][ T26] peer_remove_after_dead+0x98/0x1a0 [ 268.934405][ T26] wg_peer_remove_all+0x3e2/0x450 [ 268.939477][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 269.274419][ T26] wg_destruct+0x18e/0x300 [ 269.278877][ T26] ? wg_xmit+0xb10/0xb10 [ 269.283128][ T26] netdev_run_todo+0xaf9/0xd20 [ 269.714431][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 269.719758][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 270.094407][ T26] ? list_netdevice+0x4c0/0x4c0 [ 270.099305][ T26] rtnl_unlock+0xe/0x10 [ 270.103462][ T26] default_device_exit_batch+0x335/0x390 [ 270.584399][ T26] ? default_device_exit+0x390/0x390 [ 270.589729][ T26] ? wait_woken+0x180/0x180 [ 270.594240][ T26] ? rtnl_unlock+0xe/0x10 [ 271.034618][ T26] ? default_device_exit+0x390/0x390 [ 271.039943][ T26] cleanup_net+0x5fb/0xb70 [ 271.044371][ T26] ? __kasan_check_write+0x14/0x20 [ 271.359694][ T26] ? ops_init+0x4a0/0x4a0 [ 271.364026][ T26] ? read_word_at_a_time+0x12/0x20 [ 271.844432][ T26] ? strscpy+0x9b/0x290 [ 271.848632][ T26] process_one_work+0x6e1/0xba0 [ 271.853484][ T26] worker_thread+0xa6a/0x13b0 [ 272.284438][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 272.289948][ T26] kthread+0x346/0x3d0 [ 272.294020][ T26] ? worker_clr_flags+0x190/0x190 [ 272.785493][ T26] ? kthread_blkcg+0xd0/0xd0 [ 272.790205][ T26] ret_from_fork+0x1f/0x30 [ 273.064563][ T26] NMI backtrace for cpu 0 [ 273.068937][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 273.076126][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 273.086179][ T26] Call Trace: [ 273.089468][ T26] __dump_stack+0x21/0x24 [ 273.093797][ T26] dump_stack_lvl+0x169/0x1d8 [ 273.098485][ T26] ? show_regs_print_info+0x18/0x18 [ 273.103688][ T26] ? sched_show_task+0x324/0x4a0 [ 273.108638][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 273.113583][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 273.119656][ T26] dump_stack+0x15/0x1c [ 273.123817][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 273.129801][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 273.135698][ T26] watchdog+0xe2e/0xf70 [ 273.139861][ T26] ? hungtask_pm_notify+0x50/0x50 [ 273.144882][ T26] ? __kasan_check_read+0x11/0x20 [ 273.149914][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 273.154850][ T26] kthread+0x346/0x3d0 [ 273.158927][ T26] ? hungtask_pm_notify+0x50/0x50 [ 273.163965][ T26] ? kthread_blkcg+0xd0/0xd0 [ 273.168566][ T26] ret_from_fork+0x1f/0x30 [ 273.174742][ T26] Sending NMI from CPU 0 to CPUs 1: [ 273.180288][ C1] NMI backtrace for cpu 1 [ 273.180293][ C1] CPU: 1 PID: 379 Comm: syz.0.17 Not tainted syzkaller #0 [ 273.180299][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 273.180302][ C1] RIP: 0010:kasan_check_range+0x1b1/0x290 [ 273.180312][ C1] Code: d6 4d 8d 56 07 4d 85 f6 4d 0f 49 d6 49 83 e2 f8 4d 29 d6 74 12 41 80 39 00 0f 85 a1 00 00 00 49 ff c1 49 ff ce 75 ee 5b 41 5e <41> 5f 5d c3 84 db 75 61 f7 c3 00 ff 00 00 75 5e f7 c3 00 00 ff 00 [ 273.180316][ C1] RSP: 0018:ffffc90000e17cb8 EFLAGS: 00000256 [ 273.180323][ C1] RAX: ffffffff816e3f01 RBX: ffff8881f7100000 RCX: ffffffff816e4016 [ 273.180328][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88810c9e8020 [ 273.180333][ C1] RBP: ffffc90000e17cc0 R08: dffffc0000000000 R09: ffffed102193d005 [ 273.180337][ C1] R10: ffffed102193d005 R11: 1ffff1102193d004 R12: ffff8881f7152d88 [ 273.180342][ C1] R13: ffff88810c9e8020 R14: 1ffff920001c2fa0 R15: dffffc0000000001 [ 273.180347][ C1] FS: 00005555758d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 273.180350][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 273.180355][ C1] CR2: 0000001b32f63fff CR3: 0000000111756000 CR4: 00000000003506a0 [ 273.180359][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 273.180363][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 273.180366][ C1] Call Trace: [ 273.180369][ C1] __kasan_check_write+0x14/0x20 [ 273.180372][ C1] bpf_send_signal_common+0x206/0x420 [ 273.180375][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 273.180378][ C1] bpf_send_signal+0x19/0x20 [ 273.180381][ C1] bpf_prog_7ba5217f62dcd359+0x38/0x5b8 [ 273.180384][ C1] bpf_trace_run2+0xb3/0x200 [ 273.180387][ C1] ? bpf_trace_run1+0x200/0x200 [ 273.180390][ C1] __bpf_trace_sys_enter+0x62/0x70 [ 273.180393][ C1] trace_sys_enter+0x40/0x50 [ 273.180396][ C1] syscall_trace_enter+0x108/0x170 [ 273.180399][ C1] syscall_enter_from_user_mode+0x20/0x30 [ 273.180402][ C1] do_syscall_64+0x13/0x40 [ 273.180406][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 273.180408][ C1] RIP: 0033:0x7fb9c6c56829 [ 273.180418][ 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 [ 273.180421][ C1] RSP: 002b:00007ffdf6c022c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 273.180429][ C1] RAX: ffffffffffffffda RBX: 00007fb9c6f10fa8 RCX: 00007fb9c6c56829 [ 273.180433][ C1] RDX: 00007ffdf6c022c0 RSI: 00007ffdf6c023f0 RDI: 0000000000000011 [ 273.180438][ C1] RBP: 0000000000000000 R08: 001d6b90aece591a R09: 00000007f6c02b4f [ 273.180442][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb9c6f10fac [ 273.180446][ C1] R13: 00007fb9c6f10fa0 R14: 0000000000000095 R15: 0000000000000003 [ 297.594406][ T26] INFO: task kworker/u4:2:49 blocked for more than 155 seconds. [ 297.602060][ T26] Not tainted syzkaller #0 [ 297.844378][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 297.853099][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 298.424422][ T26] Workqueue: netns cleanup_net [ 298.429220][ T26] Call Trace: [ 298.432520][ T26] __schedule+0xb47/0x1310 [ 298.834423][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 298.840348][ T26] ? kthread_data+0x50/0xc0 [ 299.164391][ T26] ? wq_worker_sleeping+0x60/0x200 [ 299.169541][ T26] schedule+0x13c/0x1d0 [ 299.173709][ T26] schedule_timeout+0xa6/0x2d0 [ 299.604406][ T26] ? console_conditional_schedule+0x10/0x10 [ 299.610336][ T26] ? __prepare_to_swait+0xa8/0x130 [ 300.014401][ T26] wait_for_common+0x284/0x430 [ 300.019194][ T26] ? __kasan_check_write+0x14/0x20 [ 300.024297][ T26] ? wait_for_completion+0x20/0x20 [ 300.524399][ T26] ? mutex_lock+0x8c/0xe0 [ 300.528847][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 300.824386][ T26] wait_for_completion+0x18/0x20 [ 300.829368][ T26] flush_workqueue+0x606/0x13a0 [ 300.834216][ T26] ? flush_work+0x20/0x20 [ 301.324385][ T26] ? rcu_work_rcufn+0x50/0x50 [ 301.329113][ T26] peer_remove_after_dead+0x98/0x1a0 [ 301.634394][ T26] wg_peer_remove_all+0x3e2/0x450 [ 301.639460][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 301.994406][ T26] wg_destruct+0x18e/0x300 [ 301.998880][ T26] ? wg_xmit+0xb10/0xb10 [ 302.003125][ T26] netdev_run_todo+0xaf9/0xd20 [ 302.424393][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 302.429634][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 302.804416][ T26] ? list_netdevice+0x4c0/0x4c0 [ 302.809383][ T26] rtnl_unlock+0xe/0x10 [ 302.813537][ T26] default_device_exit_batch+0x335/0x390 [ 303.304405][ T26] ? default_device_exit+0x390/0x390 [ 303.309809][ T26] ? wait_woken+0x180/0x180 [ 303.314306][ T26] ? rtnl_unlock+0xe/0x10 [ 303.744402][ T26] ? default_device_exit+0x390/0x390 [ 303.749730][ T26] cleanup_net+0x5fb/0xb70 [ 303.754144][ T26] ? __kasan_check_write+0x14/0x20 [ 304.224413][ T26] ? ops_init+0x4a0/0x4a0 [ 304.228775][ T26] ? read_word_at_a_time+0x12/0x20 [ 304.233878][ T26] ? strscpy+0x9b/0x290 [ 304.704386][ T26] process_one_work+0x6e1/0xba0 [ 304.709264][ T26] worker_thread+0xa6a/0x13b0 [ 304.713937][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 305.174402][ T26] kthread+0x346/0x3d0 [ 305.178496][ T26] ? worker_clr_flags+0x190/0x190 [ 305.183513][ T26] ? kthread_blkcg+0xd0/0xd0 [ 305.634384][ T26] ret_from_fork+0x1f/0x30 [ 305.794397][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 143 seconds. [ 305.801960][ T26] Not tainted syzkaller #0 [ 306.184387][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 306.193178][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 306.774383][ T26] Call Trace: [ 306.777851][ T26] __schedule+0xb47/0x1310 [ 306.782270][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 307.244411][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 307.249917][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 307.564391][ T26] ? guard_bio_eod+0x11e/0x190 [ 307.569187][ T26] schedule+0x13c/0x1d0 [ 307.573335][ T26] io_schedule+0x84/0xe0 [ 308.004398][ T26] bit_wait_io+0x13/0xd0 [ 308.008668][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 308.014127][ T26] ? bit_wait+0xd0/0xd0 [ 308.444397][ T26] ? __wait_on_bit+0x180/0x180 [ 308.449281][ T26] ? bit_waitqueue+0x30/0x30 [ 308.453868][ T26] ? _raw_write_trylock+0x140/0x140 [ 308.944386][ T26] __wait_on_buffer+0x77/0x80 [ 308.949192][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 309.314425][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 309.321211][ T26] ? compat_start_thread+0x80/0x80 [ 309.704397][ T26] ? psi_task_change+0x1fe/0x330 [ 309.709368][ T26] ? __kasan_check_write+0x14/0x20 [ 310.014398][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 310.019894][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 310.394396][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 310.399108][ T26] ? detach_if_pending+0xf4/0x300 [ 310.404124][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 310.904385][ T26] ? del_timer_sync+0x144/0x1a0 [ 310.909348][ T26] kjournald2+0x44c/0x860 [ 310.913677][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 311.384394][ T26] ? io_schedule+0xe0/0xe0 [ 311.388847][ T26] ? __kasan_check_read+0x11/0x20 [ 311.393865][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 311.874416][ T26] kthread+0x346/0x3d0 [ 311.878518][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 311.883709][ T26] ? kthread_blkcg+0xd0/0xd0 [ 312.294402][ T26] ret_from_fork+0x1f/0x30 [ 312.474407][ T26] NMI backtrace for cpu 0 [ 312.478762][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 312.485945][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 312.495989][ T26] Call Trace: [ 312.499276][ T26] __dump_stack+0x21/0x24 [ 312.503600][ T26] dump_stack_lvl+0x169/0x1d8 [ 312.508272][ T26] ? show_regs_print_info+0x18/0x18 [ 312.513465][ T26] ? sched_show_task+0x324/0x4a0 [ 312.518396][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 312.523325][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 312.529388][ T26] dump_stack+0x15/0x1c [ 312.533550][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 312.539532][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 312.545415][ T26] watchdog+0xe2e/0xf70 [ 312.549572][ T26] ? hungtask_pm_notify+0x50/0x50 [ 312.554585][ T26] ? __kasan_check_read+0x11/0x20 [ 312.559599][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 312.564528][ T26] kthread+0x346/0x3d0 [ 312.568601][ T26] ? hungtask_pm_notify+0x50/0x50 [ 312.573614][ T26] ? kthread_blkcg+0xd0/0xd0 [ 312.578193][ T26] ret_from_fork+0x1f/0x30 [ 312.582646][ T26] Sending NMI from CPU 0 to CPUs 1: [ 312.588440][ C1] NMI backtrace for cpu 1 [ 312.588445][ C1] CPU: 1 PID: 379 Comm: syz.0.17 Not tainted syzkaller #0 [ 312.588450][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 312.588453][ C1] RIP: 0010:update_stack_state+0x74/0x480 [ 312.588462][ C1] Code: e8 03 48 89 45 98 42 80 3c 28 00 48 89 7d c8 74 09 e8 70 dc 6e 00 48 8b 7d c8 48 8b 07 48 85 c0 74 08 48 05 a8 00 00 00 eb 21 <4c> 8d 73 38 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 [ 312.588465][ C1] RSP: 0018:ffffc900001706d8 EFLAGS: 00000046 [ 312.588472][ C1] RAX: 0000000000000000 RBX: ffffc90000170828 RCX: 0000000000170801 [ 312.588476][ C1] RDX: dffffc0000000000 RSI: ffffc90000e17b40 RDI: ffffc90000170880 [ 312.588480][ C1] RBP: ffffc90000170798 R08: ffffc900001708f0 R09: ffffc900001708e8 [ 312.588484][ C1] R10: 000000000000000c R11: 1ffff9200002e105 R12: 0000000000000000 [ 312.588489][ C1] R13: dffffc0000000000 R14: ffffc90000170880 R15: ffffc90000e17b40 [ 312.588493][ C1] FS: 00005555758d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 312.588497][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 312.588501][ C1] CR2: 0000001b32f63fff CR3: 0000000111756000 CR4: 00000000003506a0 [ 312.588505][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 312.588509][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 312.588511][ C1] Call Trace: [ 312.588513][ C1] [ 312.588516][ C1] unwind_next_frame+0x3d5/0x700 [ 312.588518][ C1] ? stack_trace_save+0xe0/0xe0 [ 312.588521][ C1] arch_stack_walk+0x108/0x140 [ 312.588524][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 312.588527][ C1] stack_trace_save+0x98/0xe0 [ 312.588530][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 312.588532][ C1] ? memset+0x35/0x40 [ 312.588535][ C1] __kasan_slab_alloc+0xbd/0xf0 [ 312.588537][ C1] ? __kasan_slab_alloc+0xbd/0xf0 [ 312.588540][ C1] ? slab_post_alloc_hook+0x5d/0x2f0 [ 312.588543][ C1] ? kmem_cache_alloc+0x165/0x2e0 [ 312.588546][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 312.588549][ C1] ? __send_signal+0x1f2/0xb80 [ 312.588551][ C1] ? send_signal+0x479/0x5b0 [ 312.588554][ C1] ? do_send_sig_info+0xd6/0x210 [ 312.588557][ C1] ? group_send_sig_info+0x111/0x2a0 [ 312.588560][ C1] ? do_bpf_send_signal+0x82/0x150 [ 312.588563][ C1] ? irq_work_run_list+0x179/0x260 [ 312.588565][ C1] ? irq_work_run+0x6a/0xf0 [ 312.588568][ C1] ? __sysvec_irq_work+0x66/0x1b0 [ 312.588571][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 312.588574][ C1] slab_post_alloc_hook+0x5d/0x2f0 [ 312.588577][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 312.588579][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 312.588582][ C1] kmem_cache_alloc+0x165/0x2e0 [ 312.588585][ C1] ? __sigqueue_alloc+0x185/0x2d0 [ 312.588588][ C1] __sigqueue_alloc+0x185/0x2d0 [ 312.588590][ C1] __send_signal+0x1f2/0xb80 [ 312.588593][ C1] send_signal+0x479/0x5b0 [ 312.588595][ C1] do_send_sig_info+0xd6/0x210 [ 312.588598][ C1] group_send_sig_info+0x111/0x2a0 [ 312.588601][ C1] ? __lock_task_sighand+0x100/0x100 [ 312.588604][ C1] do_bpf_send_signal+0x82/0x150 [ 312.588607][ C1] irq_work_run_list+0x179/0x260 [ 312.588609][ C1] ? irq_work_run+0xf0/0xf0 [ 312.588612][ C1] irq_work_run+0x6a/0xf0 [ 312.588615][ C1] __sysvec_irq_work+0x66/0x1b0 [ 312.588617][ C1] asm_call_irq_on_stack+0xf/0x20 [ 312.588619][ C1] [ 312.588622][ C1] sysvec_irq_work+0x85/0xd0 [ 312.588625][ C1] asm_sysvec_irq_work+0x12/0x20 [ 312.588628][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 312.588637][ 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 c7 d1 27 01 5d c3 0f 1f 44 00 [ 312.588640][ C1] RSP: 0018:ffffc90000e17c20 EFLAGS: 00000246 [ 312.588646][ C1] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 312.588650][ C1] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 312.588654][ C1] RBP: ffffc90000e17c20 R08: dffffc0000000000 R09: ffffed103ee2a5f7 [ 312.588658][ C1] R10: ffffed103ee2a5f7 R11: 1ffff1103ee2a5f6 R12: 0000000000000000 [ 312.588663][ C1] R13: dffffc0000000001 R14: ffffffff859c5998 R15: dffffc0000000000 [ 312.588665][ C1] x2apic_send_IPI_self+0x5e/0x70 [ 312.588668][ C1] arch_irq_work_raise+0x86/0xd0 [ 312.588671][ C1] __irq_work_queue_local+0x115/0x190 [ 312.588674][ C1] irq_work_queue+0x9e/0x150 [ 312.588677][ C1] bpf_send_signal_common+0x2b2/0x420 [ 312.588680][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 312.588682][ C1] bpf_send_signal+0x19/0x20 [ 312.588685][ C1] bpf_prog_7ba5217f62dcd359+0x38/0x5b8 [ 312.588688][ C1] bpf_trace_run2+0xb3/0x200 [ 312.588691][ C1] ? bpf_trace_run1+0x200/0x200 [ 312.588694][ C1] __bpf_trace_sys_enter+0x62/0x70 [ 312.588696][ C1] trace_sys_enter+0x40/0x50 [ 312.588699][ C1] syscall_trace_enter+0x108/0x170 [ 312.588702][ C1] syscall_enter_from_user_mode+0x20/0x30 [ 312.588705][ C1] do_syscall_64+0x13/0x40 [ 312.588708][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 312.588711][ C1] RIP: 0033:0x7fb9c6c56829 [ 312.588720][ 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 [ 312.588723][ C1] RSP: 002b:00007ffdf6c022c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 312.588730][ C1] RAX: ffffffffffffffda RBX: 00007fb9c6f10fa8 RCX: 00007fb9c6c56829 [ 312.588734][ C1] RDX: 00007ffdf6c022c0 RSI: 00007ffdf6c023f0 RDI: 0000000000000011 [ 312.588739][ C1] RBP: 0000000000000000 R08: 001d6b90aece591a R09: 00000007f6c02b4f [ 312.588743][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb9c6f10fac [ 312.588747][ C1] R13: 00007fb9c6f10fa0 R14: 0000000000000095 R15: 0000000000000003 [ 336.634399][ T26] INFO: task kworker/u4:2:49 blocked for more than 194 seconds. [ 336.642147][ T26] Not tainted syzkaller #0 [ 336.854374][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 336.863089][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 337.444369][ T26] Workqueue: netns cleanup_net [ 337.449172][ T26] Call Trace: [ 337.452465][ T26] __schedule+0xb47/0x1310 [ 337.864383][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 337.870428][ T26] ? kthread_data+0x50/0xc0 [ 338.214386][ T26] ? wq_worker_sleeping+0x60/0x200 [ 338.219525][ T26] schedule+0x13c/0x1d0 [ 338.223682][ T26] schedule_timeout+0xa6/0x2d0 [ 338.674392][ T26] ? console_conditional_schedule+0x10/0x10 [ 338.680321][ T26] ? __prepare_to_swait+0xa8/0x130 [ 339.044373][ T26] wait_for_common+0x284/0x430 [ 339.049178][ T26] ? __kasan_check_write+0x14/0x20 [ 339.054293][ T26] ? wait_for_completion+0x20/0x20 [ 339.534414][ T26] ? mutex_lock+0x8c/0xe0 [ 339.538792][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 339.874368][ T26] wait_for_completion+0x18/0x20 [ 339.879434][ T26] flush_workqueue+0x606/0x13a0 [ 339.884279][ T26] ? flush_work+0x20/0x20 [ 340.354421][ T26] ? rcu_work_rcufn+0x50/0x50 [ 340.359131][ T26] peer_remove_after_dead+0x98/0x1a0 [ 340.664374][ T26] wg_peer_remove_all+0x3e2/0x450 [ 340.669553][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 341.034485][ T26] wg_destruct+0x18e/0x300 [ 341.039017][ T26] ? wg_xmit+0xb10/0xb10 [ 341.043252][ T26] netdev_run_todo+0xaf9/0xd20 [ 341.464384][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 341.469748][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 341.834399][ T26] ? list_netdevice+0x4c0/0x4c0 [ 341.839371][ T26] rtnl_unlock+0xe/0x10 [ 341.843536][ T26] default_device_exit_batch+0x335/0x390 [ 342.324367][ T26] ? default_device_exit+0x390/0x390 [ 342.329689][ T26] ? wait_woken+0x180/0x180 [ 342.334196][ T26] ? rtnl_unlock+0xe/0x10 [ 342.794411][ T26] ? default_device_exit+0x390/0x390 [ 342.799735][ T26] cleanup_net+0x5fb/0xb70 [ 342.804150][ T26] ? __kasan_check_write+0x14/0x20 [ 343.284380][ T26] ? ops_init+0x4a0/0x4a0 [ 343.288751][ T26] ? read_word_at_a_time+0x12/0x20 [ 343.293858][ T26] ? strscpy+0x9b/0x290 [ 343.734386][ T26] process_one_work+0x6e1/0xba0 [ 343.739272][ T26] worker_thread+0xa6a/0x13b0 [ 343.744054][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 344.204406][ T26] kthread+0x346/0x3d0 [ 344.208505][ T26] ? worker_clr_flags+0x190/0x190 [ 344.213529][ T26] ? kthread_blkcg+0xd0/0xd0 [ 344.684381][ T26] ret_from_fork+0x1f/0x30 [ 344.804411][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 182 seconds. [ 344.811974][ T26] Not tainted syzkaller #0 [ 345.254387][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 345.263101][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 345.824565][ T26] Call Trace: [ 345.827894][ T26] __schedule+0xb47/0x1310 [ 345.832336][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 346.254405][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 346.259929][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 346.604381][ T26] ? guard_bio_eod+0x11e/0x190 [ 346.609185][ T26] schedule+0x13c/0x1d0 [ 346.613335][ T26] io_schedule+0x84/0xe0 [ 347.044382][ T26] bit_wait_io+0x13/0xd0 [ 347.048674][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 347.054147][ T26] ? bit_wait+0xd0/0xd0 [ 347.504387][ T26] ? __wait_on_bit+0x180/0x180 [ 347.509203][ T26] ? bit_waitqueue+0x30/0x30 [ 347.513792][ T26] ? _raw_write_trylock+0x140/0x140 [ 347.974374][ T26] __wait_on_buffer+0x77/0x80 [ 347.979101][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 348.364421][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 348.371218][ T26] ? compat_start_thread+0x80/0x80 [ 348.744390][ T26] ? psi_task_change+0x1fe/0x330 [ 348.749364][ T26] ? __kasan_check_write+0x14/0x20 [ 349.074369][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 349.079862][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 349.414382][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 349.419102][ T26] ? detach_if_pending+0xf4/0x300 [ 349.424122][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 349.934372][ T26] ? del_timer_sync+0x144/0x1a0 [ 349.939259][ T26] kjournald2+0x44c/0x860 [ 349.943600][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 350.394365][ T26] ? io_schedule+0xe0/0xe0 [ 350.398818][ T26] ? __kasan_check_read+0x11/0x20 [ 350.403844][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 350.884397][ T26] kthread+0x346/0x3d0 [ 350.888506][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 350.893700][ T26] ? kthread_blkcg+0xd0/0xd0 [ 351.334398][ T26] ret_from_fork+0x1f/0x30 [ 351.504376][ T26] NMI backtrace for cpu 0 [ 351.508823][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 351.516100][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 351.526142][ T26] Call Trace: [ 351.529426][ T26] __dump_stack+0x21/0x24 [ 351.533751][ T26] dump_stack_lvl+0x169/0x1d8 [ 351.538423][ T26] ? show_regs_print_info+0x18/0x18 [ 351.543623][ T26] ? sched_show_task+0x324/0x4a0 [ 351.548577][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 351.553515][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 351.559586][ T26] dump_stack+0x15/0x1c [ 351.563739][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 351.569716][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 351.575651][ T26] watchdog+0xe2e/0xf70 [ 351.579805][ T26] ? hungtask_pm_notify+0x50/0x50 [ 351.584821][ T26] ? __kasan_check_read+0x11/0x20 [ 351.589841][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 351.594770][ T26] kthread+0x346/0x3d0 [ 351.598836][ T26] ? hungtask_pm_notify+0x50/0x50 [ 351.603865][ T26] ? kthread_blkcg+0xd0/0xd0 [ 351.608458][ T26] ret_from_fork+0x1f/0x30 [ 351.612919][ T26] Sending NMI from CPU 0 to CPUs 1: [ 351.618366][ C1] NMI backtrace for cpu 1 [ 351.618371][ C1] CPU: 1 PID: 379 Comm: syz.0.17 Not tainted syzkaller #0 [ 351.618387][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 351.618391][ C1] RIP: 0010:bpf_send_signal_common+0x1d4/0x420 [ 351.618400][ C1] Code: a3 90 2d 05 00 4c 89 e7 be 04 00 00 00 e8 e4 54 2f 00 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 f1 01 00 00 45 8b 24 24 <44> 89 e6 83 e6 02 31 ff e8 ff 67 f5 ff 41 83 e4 02 0f 85 cb 00 00 [ 351.618404][ C1] RSP: 0018:ffffc90000e17ce0 EFLAGS: 00000246 [ 351.618411][ C1] RAX: 0000000000000000 RBX: ffff8881f7100000 RCX: ffffffff816e3fcc [ 351.618415][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8881f7152d90 [ 351.618419][ C1] RBP: ffffc90000e17d98 R08: dffffc0000000000 R09: ffffed103ee2a5b3 [ 351.618423][ C1] R10: ffffed103ee2a5b3 R11: 1ffff1103ee2a5b2 R12: 0000000000000020 [ 351.618427][ C1] R13: dffffc0000000000 R14: 1ffff920001c2fa0 R15: ffff88810c9e8000 [ 351.618432][ C1] FS: 00005555758d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 351.618435][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 351.618440][ C1] CR2: 0000001b32f63fff CR3: 0000000111756000 CR4: 00000000003506a0 [ 351.618444][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 351.618448][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 351.618467][ C1] Call Trace: [ 351.618470][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 351.618473][ C1] bpf_send_signal+0x19/0x20 [ 351.618476][ C1] bpf_prog_7ba5217f62dcd359+0x38/0x5b8 [ 351.618479][ C1] bpf_trace_run2+0xb3/0x200 [ 351.618482][ C1] ? bpf_trace_run1+0x200/0x200 [ 351.618485][ C1] __bpf_trace_sys_enter+0x62/0x70 [ 351.618488][ C1] trace_sys_enter+0x40/0x50 [ 351.618491][ C1] syscall_trace_enter+0x108/0x170 [ 351.618494][ C1] syscall_enter_from_user_mode+0x20/0x30 [ 351.618497][ C1] do_syscall_64+0x13/0x40 [ 351.618500][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 351.618503][ C1] RIP: 0033:0x7fb9c6c56829 [ 351.618512][ 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 [ 351.618516][ C1] RSP: 002b:00007ffdf6c022c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 351.618524][ C1] RAX: ffffffffffffffda RBX: 00007fb9c6f10fa8 RCX: 00007fb9c6c56829 [ 351.618528][ C1] RDX: 00007ffdf6c022c0 RSI: 00007ffdf6c023f0 RDI: 0000000000000011 [ 351.618532][ C1] RBP: 0000000000000000 R08: 001d6b90aece591a R09: 00000007f6c02b4f [ 351.618537][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb9c6f10fac [ 351.618541][ C1] R13: 00007fb9c6f10fa0 R14: 0000000000000095 R15: 0000000000000003 [ 375.674400][ T26] INFO: task kworker/u4:2:49 blocked for more than 233 seconds. [ 375.682075][ T26] Not tainted syzkaller #0 [ 375.904355][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 375.913060][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 376.484352][ T26] Workqueue: netns cleanup_net [ 376.489160][ T26] Call Trace: [ 376.492461][ T26] __schedule+0xb47/0x1310 [ 376.924359][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 376.930295][ T26] ? kthread_data+0x50/0xc0 [ 377.254382][ T26] ? wq_worker_sleeping+0x60/0x200 [ 377.259541][ T26] schedule+0x13c/0x1d0 [ 377.263702][ T26] schedule_timeout+0xa6/0x2d0 [ 377.704377][ T26] ? console_conditional_schedule+0x10/0x10 [ 377.710315][ T26] ? __prepare_to_swait+0xa8/0x130 [ 378.084361][ T26] wait_for_common+0x284/0x430 [ 378.089167][ T26] ? __kasan_check_write+0x14/0x20 [ 378.094280][ T26] ? wait_for_completion+0x20/0x20 [ 378.564372][ T26] ? mutex_lock+0x8c/0xe0 [ 378.568838][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 378.874420][ T26] wait_for_completion+0x18/0x20 [ 378.879402][ T26] flush_workqueue+0x606/0x13a0 [ 378.884251][ T26] ? flush_work+0x20/0x20 [ 379.364373][ T26] ? rcu_work_rcufn+0x50/0x50 [ 379.369094][ T26] peer_remove_after_dead+0x98/0x1a0 [ 379.704357][ T26] wg_peer_remove_all+0x3e2/0x450 [ 379.709432][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 380.064366][ T26] wg_destruct+0x18e/0x300 [ 380.068823][ T26] ? wg_xmit+0xb10/0xb10 [ 380.073115][ T26] netdev_run_todo+0xaf9/0xd20 [ 380.484358][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 380.489727][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 380.864420][ T26] ? list_netdevice+0x4c0/0x4c0 [ 380.869329][ T26] rtnl_unlock+0xe/0x10 [ 380.873481][ T26] default_device_exit_batch+0x335/0x390 [ 381.344385][ T26] ? default_device_exit+0x390/0x390 [ 381.349715][ T26] ? wait_woken+0x180/0x180 [ 381.354220][ T26] ? rtnl_unlock+0xe/0x10 [ 381.834369][ T26] ? default_device_exit+0x390/0x390 [ 381.839722][ T26] cleanup_net+0x5fb/0xb70 [ 381.844141][ T26] ? __kasan_check_write+0x14/0x20 [ 382.284351][ T26] ? ops_init+0x4a0/0x4a0 [ 382.288729][ T26] ? read_word_at_a_time+0x12/0x20 [ 382.293842][ T26] ? strscpy+0x9b/0x290 [ 382.734374][ T26] process_one_work+0x6e1/0xba0 [ 382.739268][ T26] worker_thread+0xa6a/0x13b0 [ 382.743946][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 383.244365][ T26] kthread+0x346/0x3d0 [ 383.248485][ T26] ? worker_clr_flags+0x190/0x190 [ 383.253601][ T26] ? kthread_blkcg+0xd0/0xd0 [ 383.684375][ T26] ret_from_fork+0x1f/0x30 [ 383.874616][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 221 seconds. [ 383.882406][ T26] Not tainted syzkaller #0 [ 384.264368][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 384.273177][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 384.854358][ T26] Call Trace: [ 384.857782][ T26] __schedule+0xb47/0x1310 [ 384.862208][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 385.284391][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 385.289890][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 385.634400][ T26] ? guard_bio_eod+0x11e/0x190 [ 385.639196][ T26] schedule+0x13c/0x1d0 [ 385.643360][ T26] io_schedule+0x84/0xe0 [ 386.054381][ T26] bit_wait_io+0x13/0xd0 [ 386.058672][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 386.064213][ T26] ? bit_wait+0xd0/0xd0 [ 386.494391][ T26] ? __wait_on_bit+0x180/0x180 [ 386.499296][ T26] ? bit_waitqueue+0x30/0x30 [ 386.503887][ T26] ? _raw_write_trylock+0x140/0x140 [ 387.014355][ T26] __wait_on_buffer+0x77/0x80 [ 387.019164][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 387.404388][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 387.411204][ T26] ? compat_start_thread+0x80/0x80 [ 387.784415][ T26] ? psi_task_change+0x1fe/0x330 [ 387.789402][ T26] ? __kasan_check_write+0x14/0x20 [ 388.064408][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 388.069915][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 388.454348][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 388.459073][ T26] ? detach_if_pending+0xf4/0x300 [ 388.464095][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 388.974354][ T26] ? del_timer_sync+0x144/0x1a0 [ 388.979265][ T26] kjournald2+0x44c/0x860 [ 388.983601][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 389.434365][ T26] ? io_schedule+0xe0/0xe0 [ 389.438822][ T26] ? __kasan_check_read+0x11/0x20 [ 389.443848][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 389.914372][ T26] kthread+0x346/0x3d0 [ 389.918488][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 389.923707][ T26] ? kthread_blkcg+0xd0/0xd0 [ 390.344353][ T26] ret_from_fork+0x1f/0x30 [ 390.534370][ T26] NMI backtrace for cpu 0 [ 390.538739][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 390.545929][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 390.555978][ T26] Call Trace: [ 390.559270][ T26] __dump_stack+0x21/0x24 [ 390.563596][ T26] dump_stack_lvl+0x169/0x1d8 [ 390.568275][ T26] ? show_regs_print_info+0x18/0x18 [ 390.573475][ T26] ? sched_show_task+0x324/0x4a0 [ 390.578412][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 390.583352][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 390.589419][ T26] dump_stack+0x15/0x1c [ 390.593574][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 390.599733][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 390.605628][ T26] watchdog+0xe2e/0xf70 [ 390.609795][ T26] ? hungtask_pm_notify+0x50/0x50 [ 390.614825][ T26] ? __kasan_check_read+0x11/0x20 [ 390.619852][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 390.624787][ T26] kthread+0x346/0x3d0 [ 390.628861][ T26] ? hungtask_pm_notify+0x50/0x50 [ 390.633884][ T26] ? kthread_blkcg+0xd0/0xd0 [ 390.638467][ T26] ret_from_fork+0x1f/0x30 [ 390.642959][ T26] Sending NMI from CPU 0 to CPUs 1: [ 390.648590][ C1] NMI backtrace for cpu 1 [ 390.648595][ C1] CPU: 1 PID: 379 Comm: syz.0.17 Not tainted syzkaller #0 [ 390.648601][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 390.648605][ C1] RIP: 0010:update_stack_state+0x8/0x480 [ 390.648615][ C1] Code: 8c 70 fe ff ff e8 c8 dc 6e 00 e9 66 fe ff ff 0f 1f 00 55 48 89 e5 48 8b 07 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 48 81 ec 98 00 00 00 49 89 f7 48 89 fb 49 bd 00 00 [ 390.648619][ C1] RSP: 0018:ffffc90000e175f0 EFLAGS: 00000002 [ 390.648628][ C1] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000001 [ 390.648632][ C1] RDX: 0000000000000000 RSI: ffffc90000e17678 RDI: ffffc90000e17688 [ 390.648637][ C1] RBP: ffffc90000e17600 R08: dffffc0000000001 R09: ffffc90000e17688 [ 390.648642][ C1] R10: fffff520001c2edd R11: 1ffff920001c2ed1 R12: 0000000000000000 [ 390.648646][ C1] R13: ffffc90000e17678 R14: ffffc90000e17688 R15: ffff88810c9e8000 [ 390.648651][ C1] FS: 00005555758d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 390.648655][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 390.648660][ C1] CR2: 0000001b32f63fff CR3: 0000000111756000 CR4: 00000000003506a0 [ 390.648665][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 390.648669][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 390.648672][ C1] Call Trace: [ 390.648675][ C1] __unwind_start+0x1ed/0x3a0 [ 390.648678][ C1] ? __kernel_text_address+0xa0/0x100 [ 390.648682][ C1] ? stack_trace_save+0xe0/0xe0 [ 390.648685][ C1] arch_stack_walk+0xd6/0x140 [ 390.648688][ C1] stack_trace_save+0x98/0xe0 [ 390.648691][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 390.648694][ C1] ? 0xffffffffa0028a48 [ 390.648697][ C1] ? memset+0x35/0x40 [ 390.648700][ C1] kasan_set_track+0x4a/0x70 [ 390.648703][ C1] ? kmem_cache_free+0x100/0x2d0 [ 390.648706][ C1] kasan_set_free_info+0x23/0x40 [ 390.648710][ C1] ____kasan_slab_free+0x125/0x160 [ 390.648713][ C1] __kasan_slab_free+0x11/0x20 [ 390.648716][ C1] slab_free_freelist_hook+0xc5/0x190 [ 390.648720][ C1] ? __dequeue_signal+0x530/0x620 [ 390.648723][ C1] kmem_cache_free+0x100/0x2d0 [ 390.648726][ C1] __dequeue_signal+0x530/0x620 [ 390.648729][ C1] dequeue_signal+0xa0/0x440 [ 390.648732][ C1] get_signal+0x772/0x12e0 [ 390.648735][ C1] arch_do_signal_or_restart+0xbf/0x10f0 [ 390.648739][ C1] ? __ia32_sys_rt_sigreturn+0x5e7/0x6c0 [ 390.648742][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 390.648745][ C1] ? KSTK_ESP+0x60/0x60 [ 390.648748][ C1] ? __ia32_sys_rt_sigreturn+0x6c0/0x6c0 [ 390.648752][ C1] ? __bpf_trace_sys_enter+0x62/0x70 [ 390.648755][ C1] exit_to_user_mode_loop+0xa2/0xe0 [ 390.648758][ C1] exit_to_user_mode_prepare+0x76/0xa0 [ 390.648762][ C1] syscall_exit_to_user_mode+0x1d/0x40 [ 390.648765][ C1] do_syscall_64+0x3d/0x40 [ 390.648768][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 390.648771][ C1] RIP: 0033:0x7fb9c6cba749 [ 390.648782][ 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 [ 390.648785][ C1] RSP: 002b:00007ffdf6c02858 EFLAGS: 00000246 [ 390.648792][ C1] RAX: 0000000000000000 RBX: 00007fb9c6f10fa8 RCX: 00007fb9c6cba749 [ 390.648797][ C1] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb9c6f10fac [ 390.648801][ C1] RBP: 0000000000000000 R08: 001d6b90aece591a R09: 00000007f6c02b4f [ 390.648806][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb9c6f10fac [ 390.648811][ C1] R13: 00007fb9c6f10fa0 R14: 0000000000000095 R15: 0000000000000003 [ 414.704374][ T26] INFO: task kworker/u4:2:49 blocked for more than 272 seconds. [ 414.712135][ T26] Not tainted syzkaller #0 [ 414.914324][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 414.923038][ T26] task:kworker/u4:2 state:D stack: 0 pid: 49 ppid: 2 flags:0x10004000 [ 415.524339][ T26] Workqueue: netns cleanup_net [ 415.529154][ T26] Call Trace: [ 415.532451][ T26] __schedule+0xb47/0x1310 [ 415.934381][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 415.940322][ T26] ? kthread_data+0x50/0xc0 [ 416.264345][ T26] ? wq_worker_sleeping+0x60/0x200 [ 416.269491][ T26] schedule+0x13c/0x1d0 [ 416.273651][ T26] schedule_timeout+0xa6/0x2d0 [ 416.744349][ T26] ? console_conditional_schedule+0x10/0x10 [ 416.750295][ T26] ? __prepare_to_swait+0xa8/0x130 [ 417.104377][ T26] wait_for_common+0x284/0x430 [ 417.109182][ T26] ? __kasan_check_write+0x14/0x20 [ 417.435463][ T26] ? wait_for_completion+0x20/0x20 [ 417.440622][ T26] ? mutex_lock+0x8c/0xe0 [ 417.734350][ T26] ? flush_workqueue_prep_pwqs+0x43c/0x4a0 [ 417.740193][ T26] wait_for_completion+0x18/0x20 [ 418.144388][ T26] flush_workqueue+0x606/0x13a0 [ 418.149278][ T26] ? flush_work+0x20/0x20 [ 418.153621][ T26] ? rcu_work_rcufn+0x50/0x50 [ 418.554383][ T26] peer_remove_after_dead+0x98/0x1a0 [ 418.559716][ T26] wg_peer_remove_all+0x3e2/0x450 [ 418.924556][ T26] ? peer_remove_after_dead+0x1a0/0x1a0 [ 418.930144][ T26] wg_destruct+0x18e/0x300 [ 419.264337][ T26] ? wg_xmit+0xb10/0xb10 [ 419.268614][ T26] netdev_run_todo+0xaf9/0xd20 [ 419.273379][ T26] ? netdev_refcnt_read+0x1d0/0x1d0 [ 419.734387][ T26] ? unregister_netdevice_queue+0x1aa/0x360 [ 419.740329][ T26] ? list_netdevice+0x4c0/0x4c0 [ 420.064339][ T26] rtnl_unlock+0xe/0x10 [ 420.068659][ T26] default_device_exit_batch+0x335/0x390 [ 420.074299][ T26] ? default_device_exit+0x390/0x390 [ 420.409690][ T26] ? wait_woken+0x180/0x180 [ 420.414199][ T26] ? rtnl_unlock+0xe/0x10 [ 420.864398][ T26] ? default_device_exit+0x390/0x390 [ 420.869723][ T26] cleanup_net+0x5fb/0xb70 [ 420.874149][ T26] ? __kasan_check_write+0x14/0x20 [ 421.324341][ T26] ? ops_init+0x4a0/0x4a0 [ 421.328803][ T26] ? read_word_at_a_time+0x12/0x20 [ 421.333915][ T26] ? strscpy+0x9b/0x290 [ 421.784366][ T26] process_one_work+0x6e1/0xba0 [ 421.789467][ T26] worker_thread+0xa6a/0x13b0 [ 421.794141][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 422.284340][ T26] kthread+0x346/0x3d0 [ 422.288450][ T26] ? worker_clr_flags+0x190/0x190 [ 422.293475][ T26] ? kthread_blkcg+0xd0/0xd0 [ 422.724357][ T26] ret_from_fork+0x1f/0x30 [ 422.904334][ T26] INFO: task jbd2/sda1-8:58 blocked for more than 260 seconds. [ 422.911926][ T26] Not tainted syzkaller #0 [ 423.304357][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 423.313081][ T26] task:jbd2/sda1-8 state:D stack: 0 pid: 58 ppid: 2 flags:0x10004000 [ 423.894358][ T26] Call Trace: [ 423.897695][ T26] __schedule+0xb47/0x1310 [ 423.902116][ T26] ? release_firmware_map_entry+0x18d/0x18d [ 424.334380][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 424.339884][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 424.684351][ T26] ? guard_bio_eod+0x11e/0x190 [ 424.689148][ T26] schedule+0x13c/0x1d0 [ 424.693296][ T26] io_schedule+0x84/0xe0 [ 425.114335][ T26] bit_wait_io+0x13/0xd0 [ 425.118621][ T26] out_of_line_wait_on_bit+0x15a/0x200 [ 425.124076][ T26] ? bit_wait+0xd0/0xd0 [ 425.554358][ T26] ? __wait_on_bit+0x180/0x180 [ 425.559166][ T26] ? bit_waitqueue+0x30/0x30 [ 425.563756][ T26] ? _raw_write_trylock+0x140/0x140 [ 426.074358][ T26] __wait_on_buffer+0x77/0x80 [ 426.079074][ T26] jbd2_journal_commit_transaction+0x36f2/0x5830 [ 426.414357][ T26] ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0 [ 426.421162][ T26] ? compat_start_thread+0x80/0x80 [ 426.804361][ T26] ? psi_task_change+0x1fe/0x330 [ 426.809347][ T26] ? __kasan_check_write+0x14/0x20 [ 427.134338][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 427.139837][ T26] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 427.494354][ T26] ? _raw_spin_lock+0xe0/0xe0 [ 427.499074][ T26] ? detach_if_pending+0xf4/0x300 [ 427.504101][ T26] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 428.014343][ T26] ? del_timer_sync+0x144/0x1a0 [ 428.019243][ T26] kjournald2+0x44c/0x860 [ 428.023666][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 428.464356][ T26] ? io_schedule+0xe0/0xe0 [ 428.468820][ T26] ? __kasan_check_read+0x11/0x20 [ 428.473844][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 428.974372][ T26] kthread+0x346/0x3d0 [ 428.978477][ T26] ? jbd2_seq_info_show+0x5c0/0x5c0 [ 428.983669][ T26] ? kthread_blkcg+0xd0/0xd0 [ 429.394333][ T26] ret_from_fork+0x1f/0x30 [ 429.584352][ T26] NMI backtrace for cpu 0 [ 429.588724][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted syzkaller #0 [ 429.595916][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 429.605965][ T26] Call Trace: [ 429.609257][ T26] __dump_stack+0x21/0x24 [ 429.613588][ T26] dump_stack_lvl+0x169/0x1d8 [ 429.618262][ T26] ? show_regs_print_info+0x18/0x18 [ 429.623458][ T26] ? sched_show_task+0x324/0x4a0 [ 429.628393][ T26] ? __rcu_read_unlock+0xa0/0xa0 [ 429.633327][ T26] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 429.639386][ T26] dump_stack+0x15/0x1c [ 429.643624][ T26] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 429.649598][ T26] arch_trigger_cpumask_backtrace+0x10/0x20 [ 429.655497][ T26] watchdog+0xe2e/0xf70 [ 429.659653][ T26] ? hungtask_pm_notify+0x50/0x50 [ 429.664674][ T26] ? __kasan_check_read+0x11/0x20 [ 429.669690][ T26] ? __kthread_parkme+0xb9/0x1c0 [ 429.674731][ T26] kthread+0x346/0x3d0 [ 429.678797][ T26] ? hungtask_pm_notify+0x50/0x50 [ 429.683814][ T26] ? kthread_blkcg+0xd0/0xd0 [ 429.688484][ T26] ret_from_fork+0x1f/0x30 [ 429.692961][ T26] Sending NMI from CPU 0 to CPUs 1: [ 429.698461][ C1] NMI backtrace for cpu 1 [ 429.698467][ C1] CPU: 1 PID: 379 Comm: syz.0.17 Not tainted syzkaller #0 [ 429.698472][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 429.698476][ C1] RIP: 0010:native_apic_msr_write+0x39/0x50 [ 429.698485][ 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 c7 d1 27 01 5d c3 0f 1f 44 00 [ 429.698489][ C1] RSP: 0018:ffffc90000e17c20 EFLAGS: 00000246 [ 429.698497][ C1] RAX: 00000000000000f6 RBX: 00000000000000f6 RCX: 000000000000083f [ 429.698501][ C1] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f [ 429.698506][ C1] RBP: ffffc90000e17c20 R08: dffffc0000000000 R09: ffffed103ee2a5f7 [ 429.698510][ C1] R10: ffffed103ee2a5f7 R11: 1ffff1103ee2a5f6 R12: 0000000000000000 [ 429.698514][ C1] R13: dffffc0000000001 R14: ffffffff859c5998 R15: dffffc0000000000 [ 429.698519][ C1] FS: 00005555758d6500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 429.698523][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.698527][ C1] CR2: 0000001b32f63fff CR3: 0000000111756000 CR4: 00000000003506a0 [ 429.698531][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 429.698536][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 429.698538][ C1] Call Trace: [ 429.698541][ C1] x2apic_send_IPI_self+0x5e/0x70 [ 429.698544][ C1] arch_irq_work_raise+0x86/0xd0 [ 429.698547][ C1] __irq_work_queue_local+0x115/0x190 [ 429.698550][ C1] irq_work_queue+0x9e/0x150 [ 429.698553][ C1] bpf_send_signal_common+0x2b2/0x420 [ 429.698556][ C1] ? bpf_do_trace_printk+0x240/0x240 [ 429.698559][ C1] bpf_send_signal+0x19/0x20 [ 429.698562][ C1] bpf_prog_7ba5217f62dcd359+0x38/0x5b8 [ 429.698565][ C1] bpf_trace_run2+0xb3/0x200 [ 429.698568][ C1] ? bpf_trace_run1+0x200/0x200 [ 429.698571][ C1] __bpf_trace_sys_enter+0x62/0x70 [ 429.698574][ C1] trace_sys_enter+0x40/0x50 [ 429.698577][ C1] syscall_trace_enter+0x108/0x170 [ 429.698581][ C1] syscall_enter_from_user_mode+0x20/0x30 [ 429.698583][ C1] do_syscall_64+0x13/0x40 [ 429.698587][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 429.698590][ C1] RIP: 0033:0x7fb9c6c56829 [ 429.698599][ 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 [ 429.698603][ C1] RSP: 002b:00007ffdf6c022c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f [ 429.698610][ C1] RAX: ffffffffffffffda RBX: 00007fb9c6f10fa8 RCX: 00007fb9c6c56829 [ 429.698615][ C1] RDX: 00007ffdf6c022c0 RSI: 00007ffdf6c023f0 RDI: 0000000000000011 [ 429.698619][ C1] RBP: 0000000000000000 R08: 001d6b90aece591a R09: 00000007f6c02b4f [ 429.698623][ C1] R10: 0000000000000005 R11: 0000000000000246 R12: 00007fb9c6f10fac [ 429.698628][ C1] R13: 00007fb9c6f10fa0 R14: 0000000000000095 R15: 0000000000000003