syzkaller syzkaller login: [ 13.332151][ T30] kauditd_printk_skb: 31 callbacks suppressed [ 13.332166][ T30] audit: type=1400 audit(1767977645.321:59): avc: denied { transition } for pid=222 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 [ 13.344716][ T30] audit: type=1400 audit(1767977645.331:60): avc: denied { noatsecure } for pid=222 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.353659][ T30] audit: type=1400 audit(1767977645.341:61): avc: denied { write } for pid=222 comm="sh" path="pipe:[14851]" dev="pipefs" ino=14851 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.376033][ T30] audit: type=1400 audit(1767977645.341:62): avc: denied { rlimitinh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.396542][ T30] audit: type=1400 audit(1767977645.341:63): avc: denied { siginh } for pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.230' (ED25519) to the list of known hosts. 2026/01/09 16:55:47 parsed 1 programs [ 115.504385][ T30] audit: type=1400 audit(1767977747.501:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 115.525755][ T30] audit: type=1400 audit(1767977747.501:65): avc: denied { module_request } for pid=281 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 [ 116.472398][ T30] audit: type=1400 audit(1767977748.471:66): avc: denied { mounton } for pid=289 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 [ 116.475925][ T289] cgroup: Unknown subsys name 'net' [ 116.495234][ T30] audit: type=1400 audit(1767977748.471:67): avc: denied { mount } for pid=289 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 [ 116.522447][ T30] audit: type=1400 audit(1767977748.491:68): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 116.522986][ T289] cgroup: Unknown subsys name 'devices' [ 116.664378][ T289] cgroup: Unknown subsys name 'hugetlb' [ 116.670327][ T289] cgroup: Unknown subsys name 'rlimit' [ 116.877101][ T30] audit: type=1400 audit(1767977748.871:69): avc: denied { setattr } for pid=289 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 116.900399][ T30] audit: type=1400 audit(1767977748.871:70): avc: denied { create } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 116.921205][ T30] audit: type=1400 audit(1767977748.871:71): avc: denied { write } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 116.937196][ T291] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 116.942474][ T30] audit: type=1400 audit(1767977748.871:72): avc: denied { read } for pid=289 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 [ 116.970403][ T30] audit: type=1400 audit(1767977748.871:73): avc: denied { mounton } for pid=289 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 [ 117.004733][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 117.561949][ T301] request_module fs-gadgetfs succeeded, but still no fs? [ 117.693693][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.701203][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.713176][ T300] device bridge_slave_0 entered promiscuous mode [ 117.742826][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.750004][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.770277][ T300] device bridge_slave_1 entered promiscuous mode [ 118.145749][ T300] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.152846][ T300] bridge0: port 2(bridge_slave_1) entered forwarding state [ 118.160142][ T300] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.167368][ T300] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.227032][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.235713][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 118.243299][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 118.250770][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 118.260811][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.269156][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.276243][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 118.293606][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.301935][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 118.309047][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 118.316530][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 118.324804][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 118.341777][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 118.350290][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 118.358474][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 118.365925][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 118.376761][ T300] device veth0_vlan entered promiscuous mode [ 118.387616][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 118.396929][ T300] device veth1_macvtap entered promiscuous mode [ 118.406196][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 118.416461][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/01/09 16:55:51 executed programs: 0 [ 119.598039][ T300] syz-executor (300) used greatest stack depth: 21440 bytes left [ 119.762778][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.769859][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.777423][ T367] device bridge_slave_0 entered promiscuous mode [ 119.803539][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.810624][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.818170][ T367] device bridge_slave_1 entered promiscuous mode [ 119.830350][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.837694][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.845140][ T370] device bridge_slave_0 entered promiscuous mode [ 119.852063][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.859231][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.866828][ T370] device bridge_slave_1 entered promiscuous mode [ 119.886334][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.893578][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.901113][ T369] device bridge_slave_0 entered promiscuous mode [ 119.923412][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.930516][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.938633][ T369] device bridge_slave_1 entered promiscuous mode [ 119.958385][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.965643][ T371] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.973427][ T371] device bridge_slave_0 entered promiscuous mode [ 120.005983][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.013178][ T371] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.020516][ T371] device bridge_slave_1 entered promiscuous mode [ 120.033419][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.040497][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.048138][ T373] device bridge_slave_0 entered promiscuous mode [ 120.073344][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.080415][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.088061][ T373] device bridge_slave_1 entered promiscuous mode [ 120.259725][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.266844][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.274288][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.281339][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.299610][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.306709][ T370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.314032][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.321074][ T370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.340066][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.347158][ T367] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.354465][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.361504][ T367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.379689][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.386778][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.394070][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.401115][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.416252][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.423334][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.430690][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.437793][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.472895][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.480394][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.487891][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.495223][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 120.503352][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.510745][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.518225][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.525596][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.532978][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.540290][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 120.547670][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 120.558265][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 120.566550][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.573752][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.593150][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 120.601324][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 120.609046][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 120.616791][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 120.625107][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.632139][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.639607][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 120.647806][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.654866][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.662204][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 120.670434][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.677587][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.713400][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 120.721592][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.728669][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.736306][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 120.744614][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 120.752015][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 120.760097][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 120.768054][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 120.776462][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.783599][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.791201][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 120.799312][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 120.821332][ T367] device veth0_vlan entered promiscuous mode [ 120.833933][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 120.842530][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 120.850695][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 120.857806][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 120.865774][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 120.873908][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 120.881811][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 120.890288][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 120.898687][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 120.905797][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 120.913343][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 120.921404][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 120.929565][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 120.937162][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 120.944777][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 120.953283][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 120.961547][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 120.969618][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 120.977881][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 120.985377][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 120.994831][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 121.003388][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 121.020146][ T367] device veth1_macvtap entered promiscuous mode [ 121.035538][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 121.043929][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 121.051875][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 121.060268][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 121.068674][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 121.077082][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 121.085394][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 121.093119][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 121.101360][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 121.109575][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.116631][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 121.124413][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 121.132731][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 121.140834][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.147925][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 121.155392][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 121.163973][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 121.175222][ T373] device veth0_vlan entered promiscuous mode [ 121.185584][ T371] device veth0_vlan entered promiscuous mode [ 121.199017][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 121.207451][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 121.215465][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 121.223842][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 121.232076][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 121.240729][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 121.249182][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 121.257805][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 121.265488][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 121.272924][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 121.280374][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 121.298071][ T371] device veth1_macvtap entered promiscuous mode [ 121.306048][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 121.314566][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 121.323038][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 121.331055][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 121.339115][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 121.347365][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 121.358484][ T373] device veth1_macvtap entered promiscuous mode [ 121.382097][ T370] device veth0_vlan entered promiscuous mode [ 121.399185][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 121.409229][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 121.417876][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 121.426425][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 121.435386][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 121.443863][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 121.453604][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 121.462528][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 121.470957][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 121.479633][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 121.488251][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 121.496764][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 121.506019][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 121.514846][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 121.524328][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 121.531785][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 221.592189][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 221.599234][ C0] (detected by 0, t=10002 jiffies, g=1837, q=445) [ 221.605752][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294959372-4294949369), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 221.619140][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g1837 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 221.630870][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 221.640861][ C0] rcu: RCU grace-period kthread stack dump: [ 221.646762][ C0] task:rcu_preempt state:R running task stack:28752 pid: 14 ppid: 2 flags:0x00004000 [ 221.657599][ C0] Call Trace: [ 221.660898][ C0] [ 221.663864][ C0] __schedule+0xb6e/0x14c0 [ 221.668331][ C0] ? release_firmware_map_entry+0x190/0x190 [ 221.674335][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 221.680171][ C0] ? __mod_timer+0x7ae/0xb30 [ 221.684785][ C0] schedule+0x11e/0x1e0 [ 221.688966][ C0] schedule_timeout+0x12c/0x2e0 [ 221.693894][ C0] ? console_conditional_schedule+0x30/0x30 [ 221.699809][ C0] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 221.705291][ C0] ? update_process_times+0x200/0x200 [ 221.710685][ C0] ? prepare_to_swait_event+0x308/0x320 [ 221.716264][ C0] rcu_gp_fqs_loop+0x293/0xf60 [ 221.721052][ C0] ? debug_smp_processor_id+0x17/0x20 [ 221.726449][ C0] ? __note_gp_changes+0x4e2/0x9e0 [ 221.731589][ C0] ? rcu_gp_init+0xc00/0xc00 [ 221.736195][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 221.741431][ C0] ? rcu_gp_init+0x9a7/0xc00 [ 221.746049][ C0] rcu_gp_kthread+0x98/0x330 [ 221.750662][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 221.755423][ C0] ? __kasan_check_read+0x11/0x20 [ 221.760506][ C0] ? __kthread_parkme+0xac/0x200 [ 221.765462][ C0] ? preempt_count_add+0x90/0x1b0 [ 221.770546][ C0] kthread+0x411/0x500 [ 221.774650][ C0] ? wake_nocb_gp+0x1d0/0x1d0 [ 221.779363][ C0] ? kthread_blkcg+0xd0/0xd0 [ 221.783980][ C0] ret_from_fork+0x1f/0x30 [ 221.788427][ C0] [ 221.791461][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 221.797794][ C0] Sending NMI from CPU 0 to CPUs 1: [ 221.803030][ C1] NMI backtrace for cpu 1 [ 221.803047][ C1] CPU: 1 PID: 426 Comm: syz.2.19 Not tainted syzkaller #0 [ 221.803062][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 221.803075][ C1] RIP: 0010:entry_SYSCALL_64_after_hwframe+0x57/0xd0 [ 221.803099][ C1] Code: 45 31 e4 45 31 ed 45 31 f6 45 31 ff 48 89 e7 48 63 f0 66 90 b9 48 00 00 00 65 48 8b 14 25 a8 6d 02 00 89 d0 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 e8 4b 12 00 00 e8 b6 65 e3 ff 0f 1f 44 00 00 48 8b [ 221.803112][ C1] RSP: 0018:ffffc90002ed7f58 EFLAGS: 00000046 [ 221.803126][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000048 [ 221.803136][ C1] RDX: 0000000000000000 RSI: 000000000000000f RDI: ffffc90002ed7f58 [ 221.803145][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 221.803154][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 221.803164][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 221.803186][ C1] FS: 00007fc3386316c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 221.803200][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 221.803211][ C1] CR2: 000020000006b000 CR3: 000000013051f000 CR4: 00000000003506a0 [ 221.803225][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 221.803240][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 221.803249][ C1] Call Trace: [ 221.803254][ C1] [ 221.803261][ C1] [ 285.492181][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x1 nice=0 stuck for 163s! [ 285.501327][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 161s! [ 285.510501][ C0] Showing busy workqueues and worker pools: [ 285.516418][ C0] workqueue events: flags=0x0 [ 285.521129][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 285.521262][ C0] pending: kfree_rcu_monitor [ 285.521345][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 285.521439][ C0] pending: vmstat_shepherd, psi_avgs_work, kfree_rcu_monitor [ 285.521494][ C0] workqueue events_unbound: flags=0x2 [ 285.554857][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512 refcnt=6 [ 285.554901][ C0] pending: fsnotify_mark_destroy_workfn, linkwatch_event, toggle_allocation_gate, flush_memcg_stats_dwork [ 285.554979][ C0] workqueue events_power_efficient: flags=0x80 [ 285.579969][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=3/256 refcnt=4 [ 285.580015][ C0] pending: wg_ratelimiter_gc_entries, neigh_periodic_work, check_lifetime [ 285.580074][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 285.580123][ C0] pending: gc_worker, neigh_periodic_work [ 285.580157][ C0] workqueue netns: flags=0xe000a [ 285.615317][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 [ 285.615362][ C0] in-flight: 8:cleanup_net [ 285.615395][ C0] workqueue mm_percpu_wq: flags=0x8 [ 285.632413][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 285.632473][ C0] pending: vmstat_update [ 285.632502][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 285.632540][ C0] pending: vmstat_update [ 285.632566][ C0] workqueue writeback: flags=0x4a [ 285.662063][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 285.662105][ C0] pending: wb_workfn [ 285.662133][ C0] workqueue kblockd: flags=0x18 [ 285.678458][ C0] pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 285.678566][ C0] pending: blk_mq_timeout_work [ 285.678710][ C0] workqueue dm_bufio_cache: flags=0x8 [ 285.697022][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 285.697067][ C0] pending: work_fn [ 285.697156][ C0] workqueue mld: flags=0x40008 [ 285.713664][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/1 refcnt=29 [ 285.713703][ C0] pending: mld_ifc_work [ 285.713729][ C0] inactive: mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work [ 285.714436][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=46 [ 285.714471][ C0] pending: mld_ifc_work [ 285.714495][ C0] inactive: mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work, mld_ifc_work [ 285.715714][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 285.838551][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/1 refcnt=96 [ 285.838595][ C0] in-flight: 335:addrconf_dad_work [ 285.838687][ C0] inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 285.839306][ C0] , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_verify_work [ 285.839907][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=124 [ 285.839941][ C0] in-flight: 60:addrconf_dad_work [ 285.839995][ C0] inactive: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 285.840709][ C0] , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 285.841316][ C0] , addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work [ 285.841748][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 286.243688][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.243744][ C0] pending: wg_packet_encrypt_worker [ 286.243774][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.243808][ C0] pending: wg_packet_encrypt_worker [ 286.243832][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 286.275511][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.275557][ C0] pending: wg_packet_encrypt_worker [ 286.275584][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.275619][ C0] pending: wg_packet_encrypt_worker [ 286.275641][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 286.307333][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.307379][ C0] pending: wg_packet_encrypt_worker [ 286.307406][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.307444][ C0] pending: wg_packet_encrypt_worker [ 286.307650][ C0] workqueue wg-kex-wg0: flags=0x6 [ 286.339116][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.339166][ C0] pending: wg_packet_handshake_send_worker [ 286.339200][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 286.358152][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.358200][ C0] pending: wg_packet_encrypt_worker [ 286.358231][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.358269][ C0] pending: wg_packet_encrypt_worker [ 286.358295][ C0] workqueue wg-kex-wg1: flags=0x6 [ 286.389908][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 286.389952][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 286.389998][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 286.411524][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.411567][ C0] pending: wg_packet_encrypt_worker [ 286.411592][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.411628][ C0] pending: wg_packet_encrypt_worker [ 286.411652][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 286.443391][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.443443][ C0] pending: wg_packet_encrypt_worker [ 286.443475][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.443515][ C0] pending: wg_packet_encrypt_worker [ 286.443626][ C0] workqueue wg-kex-wg0: flags=0x24 [ 286.475261][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.475309][ C0] pending: wg_packet_handshake_receive_worker [ 286.475342][ C0] workqueue wg-kex-wg0: flags=0x6 [ 286.494450][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 286.494493][ C0] pending: wg_packet_handshake_send_worker, wg_packet_handshake_send_worker [ 286.494538][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 286.516186][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.516231][ C0] pending: wg_packet_decrypt_worker [ 286.516260][ C0] workqueue wg-kex-wg1: flags=0x24 [ 286.534579][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.534619][ C0] pending: wg_packet_handshake_receive_worker [ 286.534647][ C0] workqueue wg-kex-wg1: flags=0x6 [ 286.553832][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 286.553872][ C0] pending: wg_packet_handshake_send_worker [ 286.553899][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 286.572554][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.572598][ C0] pending: wg_packet_encrypt_worker [ 286.572625][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.572661][ C0] pending: wg_packet_encrypt_worker [ 286.572686][ C0] workqueue wg-kex-wg2: flags=0x24 [ 286.604201][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 286.604245][ C0] pending: wg_packet_handshake_receive_worker [ 286.604275][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 286.623647][ C0] pwq 2: cpus=1 node=0 flags=0x1 nice=0 active=1/256 refcnt=2 [ 286.623688][ C0] pending: wg_packet_encrypt_worker [ 286.623714][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 286.623748][ C0] pending: wg_packet_encrypt_worker, wg_packet_tx_worker [ 286.623985][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=165s workers=4 idle: 20 361 6 [ 286.624042][ C0] pool 2: cpus=1 node=0 flags=0x1 nice=0 hung=165s workers=3 manager: 39 idle: 26 [ 286.624082][ C0] pool 4: cpus=0-1 flags=0x4 nice=0 hung=165s workers=5 idle: 359 10 320 45