[ 6.909583][ T36] audit: type=1400 audit(1775114303.670:58): avc: denied { read } for pid=202 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: [ 13.479166][ T36] audit: type=1400 audit(1775114310.250:59): avc: denied { transition } for pid=231 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 [ 13.482736][ T36] audit: type=1400 audit(1775114310.250:60): avc: denied { noatsecure } for pid=231 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.486374][ T36] audit: type=1400 audit(1775114310.250:61): avc: denied { write } for pid=231 comm="sh" path="pipe:[2615]" dev="pipefs" ino=2615 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.489942][ T36] audit: type=1400 audit(1775114310.250:62): avc: denied { rlimitinh } for pid=231 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.493247][ T36] audit: type=1400 audit(1775114310.250:63): avc: denied { siginh } for pid=231 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts. 2026/04/02 07:20:32 parsed 1 programs [ 136.187756][ T36] audit: type=1400 audit(1775114432.960:64): avc: denied { node_bind } for pid=290 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 137.347045][ T36] audit: type=1400 audit(1775114434.120:65): avc: denied { mounton } for pid=296 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 [ 137.348190][ T296] cgroup: Unknown subsys name 'net' [ 137.369905][ T36] audit: type=1400 audit(1775114434.120:66): avc: denied { mount } for pid=296 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 [ 137.397222][ T36] audit: type=1400 audit(1775114434.150:67): avc: denied { unmount } for pid=296 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 137.397397][ T296] cgroup: Unknown subsys name 'devices' [ 137.577488][ T296] cgroup: Unknown subsys name 'hugetlb' [ 137.583132][ T296] cgroup: Unknown subsys name 'rlimit' [ 137.741386][ T36] audit: type=1400 audit(1775114434.510:68): avc: denied { setattr } for pid=296 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 137.764833][ T36] audit: type=1400 audit(1775114434.510:69): avc: denied { create } for pid=296 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 [ 137.785517][ T36] audit: type=1400 audit(1775114434.510:70): avc: denied { write } for pid=296 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 137.805887][ T36] audit: type=1400 audit(1775114434.510:71): avc: denied { read } for pid=296 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 137.823700][ T301] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 137.826279][ T36] audit: type=1400 audit(1775114434.510:72): avc: denied { sys_module } for pid=296 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 137.855770][ T36] audit: type=1400 audit(1775114434.510:73): avc: denied { mounton } for pid=296 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 137.860304][ T296] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 138.905202][ T303] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 139.403461][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.410610][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.417785][ T335] bridge_slave_0: entered allmulticast mode [ 139.424006][ T335] bridge_slave_0: entered promiscuous mode [ 139.430410][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.437543][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.444690][ T335] bridge_slave_1: entered allmulticast mode [ 139.450930][ T335] bridge_slave_1: entered promiscuous mode [ 139.490169][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.497446][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 139.504682][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.511732][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.533225][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 139.540767][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.550060][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 139.557330][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 139.568266][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 139.575346][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 139.599267][ T335] veth0_vlan: entered promiscuous mode [ 139.610093][ T335] veth1_macvtap: entered promiscuous mode [ 139.839653][ T46] bridge_slave_1: left allmulticast mode [ 139.854024][ T46] bridge_slave_1: left promiscuous mode [ 139.859873][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 139.867750][ T46] bridge_slave_0: left allmulticast mode [ 139.873619][ T46] bridge_slave_0: left promiscuous mode [ 139.879662][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 140.027916][ T46] veth1_macvtap: left promiscuous mode [ 140.038960][ T46] veth0_vlan: left promiscuous mode 2026/04/02 07:20:37 executed programs: 0 [ 140.257186][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.264335][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 140.271480][ T366] bridge_slave_0: entered allmulticast mode [ 140.277744][ T366] bridge_slave_0: entered promiscuous mode [ 140.284075][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.291148][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 140.298524][ T366] bridge_slave_1: entered allmulticast mode [ 140.304702][ T366] bridge_slave_1: entered promiscuous mode [ 140.350369][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.357485][ T366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 140.364768][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.371838][ T366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.407124][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 140.414413][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 140.433017][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.440272][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 140.448099][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.455153][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 140.481308][ T366] veth0_vlan: entered promiscuous mode [ 140.492207][ T366] veth1_macvtap: entered promiscuous mode [ 155.578983][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.586315][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.593754][ T376] bridge_slave_0: entered allmulticast mode [ 155.600671][ T376] bridge_slave_0: entered promiscuous mode [ 155.607368][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.614604][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.622030][ T376] bridge_slave_1: entered allmulticast mode [ 155.628355][ T376] bridge_slave_1: entered promiscuous mode [ 155.670113][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.677631][ T376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 155.685472][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.692612][ T376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 155.713575][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.721745][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.731880][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.739135][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 155.749263][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.756925][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2026/04/02 07:20:52 executed programs: 3 [ 155.788297][ T376] veth0_vlan: entered promiscuous mode [ 155.799736][ T376] veth1_macvtap: entered promiscuous mode [ 170.885511][ T385] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.892657][ T385] bridge0: port 1(bridge_slave_0) entered disabled state [ 170.900084][ T385] bridge_slave_0: entered allmulticast mode [ 170.906561][ T385] bridge_slave_0: entered promiscuous mode [ 170.913495][ T385] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.920657][ T385] bridge0: port 2(bridge_slave_1) entered disabled state [ 170.927776][ T385] bridge_slave_1: entered allmulticast mode 2026/04/02 07:21:07 executed programs: 4 [ 170.934077][ T385] bridge_slave_1: entered promiscuous mode [ 170.971652][ T385] bridge0: port 2(bridge_slave_1) entered blocking state [ 170.978746][ T385] bridge0: port 2(bridge_slave_1) entered forwarding state [ 170.986085][ T385] bridge0: port 1(bridge_slave_0) entered blocking state [ 170.993465][ T385] bridge0: port 1(bridge_slave_0) entered forwarding state [ 171.013314][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 171.022307][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 171.033673][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 171.041343][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 171.052961][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 171.060329][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 171.084826][ T385] veth0_vlan: entered promiscuous mode [ 171.096636][ T385] veth1_macvtap: entered promiscuous mode [ 186.175313][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.182561][ T394] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.189996][ T394] bridge_slave_0: entered allmulticast mode [ 186.196340][ T394] bridge_slave_0: entered promiscuous mode [ 186.202703][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.210155][ T394] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.217282][ T394] bridge_slave_1: entered allmulticast mode 2026/04/02 07:21:23 executed programs: 5 [ 186.223778][ T394] bridge_slave_1: entered promiscuous mode [ 186.261555][ T394] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.268644][ T394] bridge0: port 2(bridge_slave_1) entered forwarding state [ 186.275964][ T394] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.282996][ T394] bridge0: port 1(bridge_slave_0) entered forwarding state [ 186.302291][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.309950][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.319672][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.326794][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 186.336185][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.343242][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 186.369667][ T394] veth0_vlan: entered promiscuous mode [ 186.380602][ T394] veth1_macvtap: entered promiscuous mode [ 201.463289][ T403] bridge0: port 1(bridge_slave_0) entered blocking state [ 201.470456][ T403] bridge0: port 1(bridge_slave_0) entered disabled state [ 201.477840][ T403] bridge_slave_0: entered allmulticast mode [ 201.484057][ T403] bridge_slave_0: entered promiscuous mode [ 201.490609][ T403] bridge0: port 2(bridge_slave_1) entered blocking state [ 201.497982][ T403] bridge0: port 2(bridge_slave_1) entered disabled state [ 201.505418][ T403] bridge_slave_1: entered allmulticast mode [ 201.511699][ T403] bridge_slave_1: entered promiscuous mode [ 201.552794][ T403] bridge0: port 2(bridge_slave_1) entered blocking state [ 201.559901][ T403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 201.567293][ T403] bridge0: port 1(bridge_slave_0) entered blocking state [ 201.574318][ T403] bridge0: port 1(bridge_slave_0) entered forwarding state [ 201.594674][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 201.602170][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 201.612373][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 201.619447][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 201.628890][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 201.635964][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2026/04/02 07:21:38 executed programs: 6 [ 201.661760][ T403] veth0_vlan: entered promiscuous mode [ 201.673177][ T403] veth1_macvtap: entered promiscuous mode [ 216.752988][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.760140][ T413] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.767332][ T413] bridge_slave_0: entered allmulticast mode [ 216.773519][ T413] bridge_slave_0: entered promiscuous mode [ 216.780088][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.787229][ T413] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.794303][ T413] bridge_slave_1: entered allmulticast mode [ 216.800733][ T413] bridge_slave_1: entered promiscuous mode [ 216.839098][ T413] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.846185][ T413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.853418][ T413] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.860652][ T413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.880459][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.888168][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.897916][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.904981][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.914439][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.921502][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2026/04/02 07:21:53 executed programs: 7 [ 216.945859][ T413] veth0_vlan: entered promiscuous mode [ 216.957672][ T413] veth1_macvtap: entered promiscuous mode [ 232.038895][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 232.046270][ T422] bridge0: port 1(bridge_slave_0) entered disabled state [ 232.053328][ T422] bridge_slave_0: entered allmulticast mode [ 232.059696][ T422] bridge_slave_0: entered promiscuous mode [ 232.066091][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 232.073110][ T422] bridge0: port 2(bridge_slave_1) entered disabled state [ 232.080556][ T422] bridge_slave_1: entered allmulticast mode [ 232.086758][ T422] bridge_slave_1: entered promiscuous mode [ 232.124249][ T422] bridge0: port 2(bridge_slave_1) entered blocking state [ 232.131345][ T422] bridge0: port 2(bridge_slave_1) entered forwarding state [ 232.138711][ T422] bridge0: port 1(bridge_slave_0) entered blocking state [ 232.145791][ T422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 232.165445][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 232.172897][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 232.183411][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 232.190655][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 232.199587][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 232.206657][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state 2026/04/02 07:22:09 executed programs: 8 [ 232.231017][ T422] veth0_vlan: entered promiscuous mode [ 232.241726][ T422] veth1_macvtap: entered promiscuous mode [ 247.330251][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 247.337416][ T431] bridge0: port 1(bridge_slave_0) entered disabled state [ 247.344485][ T431] bridge_slave_0: entered allmulticast mode [ 247.351093][ T431] bridge_slave_0: entered promiscuous mode [ 247.357865][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 247.364901][ T431] bridge0: port 2(bridge_slave_1) entered disabled state [ 247.372015][ T431] bridge_slave_1: entered allmulticast mode [ 247.378320][ T431] bridge_slave_1: entered promiscuous mode [ 247.422589][ T431] bridge0: port 2(bridge_slave_1) entered blocking state [ 247.429692][ T431] bridge0: port 2(bridge_slave_1) entered forwarding state [ 247.437003][ T431] bridge0: port 1(bridge_slave_0) entered blocking state [ 247.444057][ T431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 247.464504][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 247.474000][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 247.484097][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 247.491175][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 247.500421][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 247.507505][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state 2026/04/02 07:22:24 executed programs: 9 [ 247.535289][ T431] veth0_vlan: entered promiscuous mode [ 247.547247][ T431] veth1_macvtap: entered promiscuous mode [ 262.640224][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.647445][ T441] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.654494][ T441] bridge_slave_0: entered allmulticast mode [ 262.660868][ T441] bridge_slave_0: entered promiscuous mode [ 262.667273][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.674292][ T441] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.681568][ T441] bridge_slave_1: entered allmulticast mode [ 262.687796][ T441] bridge_slave_1: entered promiscuous mode [ 262.731169][ T441] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.738238][ T441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 262.745589][ T441] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.752634][ T441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 262.772916][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 262.780362][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 262.791376][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 262.798462][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 262.810520][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 262.817590][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state 2026/04/02 07:22:39 executed programs: 10 [ 262.842436][ T441] veth0_vlan: entered promiscuous mode [ 262.853423][ T441] veth1_macvtap: entered promiscuous mode [ 264.555653][ T37] INFO: task syz.2.17:373 blocked for more than 122 seconds. [ 264.563197][ T37] Not tainted syzkaller #0 [ 264.568194][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 264.576902][ T37] task:syz.2.17 state:D stack:0 pid:373 tgid:371 ppid:366 flags:0x00000004 [ 264.587178][ T37] Call Trace: [ 264.590476][ T37] [ 264.593485][ T37] __schedule+0x1399/0x1fa0 [ 264.598202][ T37] ? update_curr+0xf8/0x9e0 [ 264.602728][ T37] ? __sched_text_start+0x10/0x10 [ 264.607845][ T37] schedule+0xc5/0x240 [ 264.611986][ T37] schedule_timeout+0xc7/0x3b0 [ 264.616862][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 264.622314][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 264.627927][ T37] ? __kasan_check_read+0x15/0x20 [ 264.632975][ T37] wait_for_common+0x369/0x650 [ 264.637772][ T37] ? __kasan_kmalloc+0x96/0xb0 [ 264.642560][ T37] ? wait_for_completion+0x40/0x40 [ 264.647713][ T37] ? _raw_spin_lock_irq+0x93/0x120 [ 264.652847][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 264.658437][ T37] wait_for_completion_state+0x19/0x40 [ 264.663914][ T37] do_coredump+0x8ad/0x2fe0 [ 264.668445][ T37] ? __dequeue_signal+0x50e/0x680 [ 264.673486][ T37] ? dequeue_signal+0x7e/0x4f0 [ 264.678303][ T37] ? __cfi_do_coredump+0x10/0x10 [ 264.683268][ T37] ? __kasan_slab_free+0x6a/0x80 [ 264.688225][ T37] ? kmem_cache_free+0x1bd/0x4f0 [ 264.693185][ T37] ? __dequeue_signal+0x50e/0x680 [ 264.698300][ T37] ? __kasan_check_write+0x18/0x20 [ 264.703437][ T37] ? recalc_sigpending+0x16c/0x1d0 [ 264.708573][ T37] get_signal+0x11f8/0x14e0 [ 264.713193][ T37] arch_do_signal_or_restart+0xbc/0x760 [ 264.719270][ T37] ? __se_sys_tkill+0x206/0x290 [ 264.724165][ T37] ? __cfi_arch_do_signal_or_restart+0x10/0x10 [ 264.730384][ T37] ? __kasan_check_write+0x18/0x20 [ 264.735543][ T37] syscall_exit_to_user_mode+0x57/0xb0 [ 264.741006][ T37] do_syscall_64+0x63/0xf0 [ 264.745444][ T37] ? clear_bhb_loop+0x50/0xa0 [ 264.750156][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 264.756172][ T37] RIP: 0033:0x7f22e6b9c819 [ 264.760606][ T37] RSP: 002b:00007f22e7a7f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000c8 [ 264.769156][ T37] RAX: 0000000000000000 RBX: 00007f22e6e16090 RCX: 00007f22e6b9c819 [ 264.777166][ T37] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [ 264.785252][ T37] RBP: 00007f22e6c32c91 R08: 0000000000000000 R09: 0000000000000000 [ 264.793238][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 264.801315][ T37] R13: 00007f22e6e16128 R14: 00007f22e6e16090 R15: 00007fff67d691f8 [ 264.809362][ T37] [ 264.812596][ T37] NMI backtrace for cpu 0 [ 264.812611][ T37] CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 cb76c71933628f8d69c8d31cdfd2579bb1d1f37a [ 264.812634][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 264.812642][ T37] Call Trace: [ 264.812646][ T37] [ 264.812651][ T37] __dump_stack+0x21/0x30 [ 264.812672][ T37] dump_stack_lvl+0x140/0x1c0 [ 264.812687][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 264.812703][ T37] dump_stack+0x19/0x20 [ 264.812717][ T37] nmi_cpu_backtrace+0x2ba/0x2d0 [ 264.812734][ T37] ? rcu_read_unlock_special+0xb7/0x420 [ 264.812749][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 264.812764][ T37] ? sched_show_task+0x371/0x530 [ 264.812779][ T37] ? __rcu_read_unlock+0xc0/0xc0 [ 264.812794][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 264.812809][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 264.812823][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 264.812840][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 264.812854][ T37] watchdog+0xdad/0xf00 [ 264.812865][ T37] ? __kasan_check_write+0x18/0x20 [ 264.812882][ T37] ? __cfi_watchdog+0x10/0x10 [ 264.812893][ T37] ? __kasan_check_read+0x15/0x20 [ 264.812908][ T37] ? __kthread_parkme+0x137/0x180 [ 264.812925][ T37] ? schedule+0xc5/0x240 [ 264.812936][ T37] kthread+0x2c9/0x370 [ 264.812948][ T37] ? __cfi_watchdog+0x10/0x10 [ 264.812959][ T37] ? __cfi_kthread+0x10/0x10 [ 264.812970][ T37] ret_from_fork+0x67/0xa0 [ 264.812985][ T37] ? __cfi_kthread+0x10/0x10 [ 264.812997][ T37] ret_from_fork_asm+0x1a/0x30 [ 264.813015][ T37] [ 264.813020][ T37] Sending NMI from CPU 0 to CPUs 1: [ 264.977071][ C1] NMI backtrace for cpu 1 [ 264.977086][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 cb76c71933628f8d69c8d31cdfd2579bb1d1f37a [ 264.977107][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 264.977116][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 264.977142][ C1] Code: cc cc cc cc cc cc cc b8 59 5a 5c 52 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 53 1b 46 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 [ 264.977155][ C1] RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c6 [ 264.977170][ C1] RAX: ffff8881f6f00000 RBX: ffff888103668000 RCX: ffffffff85a13bcd [ 264.977183][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000002bbec [ 264.977193][ C1] RBP: ffffc900001a7e00 R08: ffff8881f6f39773 R09: 1ffff1103ede72ee [ 264.977205][ C1] R10: dffffc0000000000 R11: ffffed103ede72ef R12: 1ffff110206cd000 [ 264.977216][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87ec1568 [ 264.977227][ C1] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 264.977241][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 264.977252][ C1] CR2: 00007f6f9f993d58 CR3: 000000011b8a8000 CR4: 00000000003526b0 [ 264.977269][ C1] Call Trace: [ 264.977274][ C1] [ 264.977281][ C1] default_idle+0x17/0x30 [ 264.977300][ C1] arch_cpu_idle+0xd/0x20 [ 264.977319][ C1] default_idle_call+0x3e/0x80 [ 264.977338][ C1] do_idle+0x19f/0x4b0 [ 264.977353][ C1] ? idle_inject_timer_fn+0x80/0x80 [ 264.977370][ C1] cpu_startup_entry+0x47/0x60 [ 264.977384][ C1] start_secondary+0x12e/0x140 [ 264.977403][ C1] common_startup_64+0x13b/0x157 [ 264.977424][ C1]