Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts. 2025/10/30 21:56:54 parsed 1 programs [ 21.699926][ T30] audit: type=1400 audit(1761861414.588:64): 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 [ 21.720828][ T30] audit: type=1400 audit(1761861414.588:65): 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 [ 22.363117][ T30] audit: type=1400 audit(1761861415.248:66): 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 [ 22.364132][ T289] cgroup: Unknown subsys name 'net' [ 22.385738][ T30] audit: type=1400 audit(1761861415.248:67): 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 [ 22.412972][ T30] audit: type=1400 audit(1761861415.278:68): 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 [ 22.413118][ T289] cgroup: Unknown subsys name 'devices' [ 22.610517][ T289] cgroup: Unknown subsys name 'hugetlb' [ 22.616114][ T289] cgroup: Unknown subsys name 'rlimit' [ 22.757388][ T30] audit: type=1400 audit(1761861415.638:69): 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 [ 22.780528][ T30] audit: type=1400 audit(1761861415.638:70): 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 [ 22.786905][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 22.800995][ T30] audit: type=1400 audit(1761861415.638:71): 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 [ 22.829623][ T30] audit: type=1400 audit(1761861415.638:72): 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 [ 22.849805][ T30] audit: type=1400 audit(1761861415.638:73): 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 [ 22.885604][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.349544][ T298] request_module fs-gadgetfs succeeded, but still no fs? [ 23.866909][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.874262][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.881900][ T346] device bridge_slave_0 entered promiscuous mode [ 23.889829][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.896873][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.904482][ T346] device bridge_slave_1 entered promiscuous mode [ 24.006595][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.013653][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.020935][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.027941][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.045454][ T349] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.052664][ T349] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.060141][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.067437][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.075833][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.083926][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.090938][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.099909][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.108002][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.115015][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.125519][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.134267][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.146495][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.156792][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.164735][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.172212][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.180092][ T346] device veth0_vlan entered promiscuous mode [ 24.188593][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.197297][ T346] device veth1_macvtap entered promiscuous mode 2025/10/30 21:56:57 executed programs: 0 [ 24.205776][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.215308][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 24.255434][ T346] syz-executor (346) used greatest stack depth: 21312 bytes left [ 24.383124][ T367] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.392283][ T367] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.399767][ T367] device bridge_slave_0 entered promiscuous mode [ 24.415256][ T367] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.422305][ T367] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.429764][ T367] device bridge_slave_1 entered promiscuous mode [ 24.442542][ T368] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.449803][ T368] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.457022][ T368] device bridge_slave_0 entered promiscuous mode [ 24.465094][ T368] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.472128][ T368] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.479459][ T368] device bridge_slave_1 entered promiscuous mode [ 24.525370][ T370] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.532406][ T370] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.539778][ T370] device bridge_slave_0 entered promiscuous mode [ 24.547507][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.554566][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.562065][ T372] device bridge_slave_0 entered promiscuous mode [ 24.574526][ T370] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.581569][ T370] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.588924][ T370] device bridge_slave_1 entered promiscuous mode [ 24.599402][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.606421][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.613718][ T372] device bridge_slave_1 entered promiscuous mode [ 24.639961][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.646981][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.654300][ T373] device bridge_slave_0 entered promiscuous mode [ 24.673107][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.680181][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.687393][ T373] device bridge_slave_1 entered promiscuous mode [ 24.873423][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.880926][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.898847][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 24.906240][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.939951][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 24.948179][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.956403][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.963414][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.970907][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 24.979178][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.987227][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.994245][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.003222][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.031215][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.039373][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.047181][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.054577][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.062455][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.070843][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.078891][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.085903][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.093327][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.101608][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.109731][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.116728][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.124089][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.132309][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.140480][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.147477][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.154774][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.163082][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.171325][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.178324][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.185710][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.193688][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.201609][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.209215][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.234391][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 25.242706][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.250661][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 25.258562][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.266712][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.274286][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.281711][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.289053][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 25.296365][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.304617][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.312841][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.319861][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.327177][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.335501][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.343704][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.350722][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.357979][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 25.366331][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 25.374488][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.381501][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.402954][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.411322][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.418785][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 25.426527][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 25.434925][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 25.443578][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.450595][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.457910][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.465841][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.473766][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 25.481761][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.489634][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.502585][ T372] device veth0_vlan entered promiscuous mode [ 25.513000][ T368] device veth0_vlan entered promiscuous mode [ 25.523587][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.531664][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.540103][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.547462][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.555550][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.563062][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.570517][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.581302][ T372] device veth1_macvtap entered promiscuous mode [ 25.595708][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.604335][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.612685][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.620148][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.628152][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.635966][ T370] device veth0_vlan entered promiscuous mode [ 25.647386][ T373] device veth0_vlan entered promiscuous mode [ 25.659488][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.667901][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.675855][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.683328][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.691031][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.698833][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.706318][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.713648][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.721946][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.730182][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.738345][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.746545][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.766524][ T367] device veth0_vlan entered promiscuous mode [ 25.774225][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.783156][ T368] device veth1_macvtap entered promiscuous mode [ 25.793380][ T370] device veth1_macvtap entered promiscuous mode [ 25.807868][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.818910][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.832750][ T367] device veth1_macvtap entered promiscuous mode [ 25.851370][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.862767][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.871290][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.880944][ T373] device veth1_macvtap entered promiscuous mode [ 25.897634][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.905855][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.914202][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.922508][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.930931][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.939266][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.947482][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.955682][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.964023][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 25.972333][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.980678][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 25.988785][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.025329][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.035376][ T326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.340709][ T452] device veth0_vlan left promiscuous mode [ 26.346683][ T452] device veth0_vlan entered promiscuous mode [ 26.355644][ T438] syz.3.23 (438) used greatest stack depth: 20832 bytes left [ 26.370636][ T452] syz.3.23 (452) used greatest stack depth: 19136 bytes left [ 26.519720][ T472] device veth0_vlan left promiscuous mode [ 26.525656][ T472] device veth0_vlan entered promiscuous mode [ 26.709623][ T476] device veth0_vlan left promiscuous mode [ 26.715719][ T476] device veth0_vlan entered promiscuous mode [ 27.259821][ T556] device veth0_vlan left promiscuous mode [ 27.265712][ T556] device veth0_vlan entered promiscuous mode [ 27.631385][ T45] device bridge_slave_1 left promiscuous mode [ 27.639107][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.658320][ T45] device bridge_slave_0 left promiscuous mode [ 27.664467][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.672502][ T45] device veth1_macvtap left promiscuous mode [ 27.678501][ T45] device veth0_vlan left promiscuous mode [ 27.798509][ T45] ================================================================== [ 27.806585][ T45] BUG: KASAN: use-after-free in vlan_dev_get_iflink+0x6d/0x70 [ 27.814034][ T45] Read of size 4 at addr ffff888110f2a0d0 by task kworker/u4:2/45 [ 27.821832][ T45] [ 27.824150][ T45] CPU: 1 PID: 45 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 27.831513][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 27.841560][ T45] Workqueue: netns cleanup_net [ 27.846337][ T45] Call Trace: [ 27.849610][ T45] [ 27.852531][ T45] __dump_stack+0x21/0x30 [ 27.856860][ T45] dump_stack_lvl+0xee/0x150 [ 27.861450][ T45] ? show_regs_print_info+0x20/0x20 [ 27.866646][ T45] ? load_image+0x3a0/0x3a0 [ 27.871146][ T45] print_address_description+0x7f/0x2c0 [ 27.876690][ T45] ? vlan_dev_get_iflink+0x6d/0x70 [ 27.881799][ T45] kasan_report+0xf1/0x140 [ 27.886213][ T45] ? vlan_dev_get_iflink+0x6d/0x70 [ 27.891327][ T45] __asan_report_load4_noabort+0x14/0x20 [ 27.896971][ T45] vlan_dev_get_iflink+0x6d/0x70 [ 27.901905][ T45] ? vlan_dev_fix_features+0x190/0x190 [ 27.907370][ T45] dev_get_iflink+0x70/0xc0 [ 27.911868][ T45] rfc2863_policy+0x124/0x2b0 [ 27.916551][ T45] ? linkwatch_do_dev+0x11/0x160 [ 27.921488][ T45] linkwatch_do_dev+0x3b/0x160 [ 27.926250][ T45] linkwatch_forget_dev+0x170/0x180 [ 27.931448][ T45] netdev_run_todo+0x2af/0x990 [ 27.936207][ T45] ? netdev_refcnt_read+0x60/0x60 [ 27.941218][ T45] ? unregister_netdevice_queue+0x1aa/0x360 [ 27.947108][ T45] ? list_netdevice+0x4c0/0x4c0 [ 27.951954][ T45] rtnl_unlock+0xe/0x10 [ 27.956107][ T45] default_device_exit_batch+0x335/0x390 [ 27.961736][ T45] ? default_device_exit+0x360/0x360 [ 27.967013][ T45] ? wait_woken+0x170/0x170 [ 27.971507][ T45] ? rtnl_unlock+0xe/0x10 [ 27.975834][ T45] ? default_device_exit+0x360/0x360 [ 27.981118][ T45] cleanup_net+0x602/0xad0 [ 27.985529][ T45] ? ops_init+0x4a0/0x4a0 [ 27.989852][ T45] ? pwq_dec_nr_in_flight+0x18c/0x3c0 [ 27.995225][ T45] process_one_work+0x6be/0xba0 [ 28.000076][ T45] worker_thread+0xa59/0x1200 [ 28.004750][ T45] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 28.010212][ T45] kthread+0x411/0x500 [ 28.014276][ T45] ? worker_clr_flags+0x190/0x190 [ 28.019298][ T45] ? kthread_blkcg+0xd0/0xd0 [ 28.023882][ T45] ret_from_fork+0x1f/0x30 [ 28.028299][ T45] [ 28.031308][ T45] [ 28.033618][ T45] Allocated by task 372: [ 28.037847][ T45] __kasan_kmalloc+0xda/0x110 [ 28.042521][ T45] __kmalloc+0x13d/0x2c0 [ 28.046757][ T45] kvmalloc_node+0x206/0x300 [ 28.051339][ T45] alloc_netdev_mqs+0x8d/0xc90 [ 28.056097][ T45] rtnl_create_link+0x2ef/0x9d0 [ 28.060943][ T45] rtnl_newlink+0x103f/0x17b0 [ 28.065612][ T45] rtnetlink_rcv_msg+0x9e4/0xb90 [ 28.070526][ T45] netlink_rcv_skb+0x1e0/0x430 [ 28.075261][ T45] rtnetlink_rcv+0x1c/0x20 [ 28.079649][ T45] netlink_unicast+0x876/0xa40 [ 28.084383][ T45] netlink_sendmsg+0x86a/0xb70 [ 28.089114][ T45] __sys_sendto+0x423/0x580 [ 28.093588][ T45] __x64_sys_sendto+0xe5/0x100 [ 28.098323][ T45] x64_sys_call+0x178/0x9a0 [ 28.102794][ T45] do_syscall_64+0x4c/0xa0 [ 28.107179][ T45] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 28.113040][ T45] [ 28.115336][ T45] Freed by task 45: [ 28.119105][ T45] kasan_set_track+0x4a/0x70 [ 28.123664][ T45] kasan_set_free_info+0x23/0x40 [ 28.128569][ T45] ____kasan_slab_free+0x125/0x160 [ 28.133647][ T45] __kasan_slab_free+0x11/0x20 [ 28.138381][ T45] slab_free_freelist_hook+0xc2/0x190 [ 28.143721][ T45] kfree+0xc4/0x270 [ 28.147497][ T45] kvfree+0x35/0x40 [ 28.151272][ T45] netdev_freemem+0x3f/0x60 [ 28.155746][ T45] netdev_release+0x7f/0xb0 [ 28.160219][ T45] device_release+0x96/0x1c0 [ 28.164781][ T45] kobject_put+0x18a/0x270 [ 28.169168][ T45] netdev_run_todo+0x812/0x990 [ 28.173909][ T45] rtnl_unlock+0xe/0x10 [ 28.178038][ T45] default_device_exit_batch+0x335/0x390 [ 28.183638][ T45] cleanup_net+0x602/0xad0 [ 28.188023][ T45] process_one_work+0x6be/0xba0 [ 28.192844][ T45] worker_thread+0xa59/0x1200 [ 28.197494][ T45] kthread+0x411/0x500 [ 28.201531][ T45] ret_from_fork+0x1f/0x30 [ 28.205924][ T45] [ 28.208219][ T45] The buggy address belongs to the object at ffff888110f2a000 [ 28.208219][ T45] which belongs to the cache kmalloc-4k of size 4096 [ 28.222239][ T45] The buggy address is located 208 bytes inside of [ 28.222239][ T45] 4096-byte region [ffff888110f2a000, ffff888110f2b000) [ 28.235573][ T45] The buggy address belongs to the page: [ 28.241171][ T45] page:ffffea000443ca00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x110f28 [ 28.251381][ T45] head:ffffea000443ca00 order:3 compound_mapcount:0 compound_pincount:0 [ 28.259670][ T45] flags: 0x4000000000010200(slab|head|zone=1) [ 28.265713][ T45] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043380 [ 28.274264][ T45] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 28.282810][ T45] page dumped because: kasan: bad access detected [ 28.289187][ T45] page_owner tracks the page as allocated [ 28.294869][ T45] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 372, ts 24796982978, free_ts 24787827024 [ 28.315239][ T45] post_alloc_hook+0x192/0x1b0 [ 28.319981][ T45] prep_new_page+0x1c/0x110 [ 28.324452][ T45] get_page_from_freelist+0x2cc5/0x2d50 [ 28.329970][ T45] __alloc_pages+0x18f/0x440 [ 28.334530][ T45] new_slab+0xa1/0x4d0 [ 28.338570][ T45] ___slab_alloc+0x381/0x810 [ 28.343128][ T45] __slab_alloc+0x49/0x90 [ 28.347428][ T45] kmem_cache_alloc_trace+0x146/0x270 [ 28.352767][ T45] kobject_uevent_env+0x272/0x700 [ 28.357760][ T45] kobject_uevent+0x1d/0x30 [ 28.362231][ T45] __kobject_del+0xd7/0x2f0 [ 28.366704][ T45] kobject_put+0x1db/0x270 [ 28.371092][ T45] netdev_queue_update_kobjects+0x37b/0x3e0 [ 28.376966][ T45] netif_set_real_num_tx_queues+0x160/0x780 [ 28.382832][ T45] veth_init_queues+0x88/0x180 [ 28.387571][ T45] veth_newlink+0xab7/0xda0 [ 28.392047][ T45] page last free stack trace: [ 28.396689][ T45] free_unref_page_prepare+0x542/0x550 [ 28.402121][ T45] free_unref_page+0xa2/0x550 [ 28.406774][ T45] __free_pages+0x6c/0x100 [ 28.411163][ T45] __free_slab+0xe8/0x1e0 [ 28.415464][ T45] __unfreeze_partials+0x160/0x190 [ 28.420547][ T45] put_cpu_partial+0xc6/0x120 [ 28.425195][ T45] __slab_free+0x1d4/0x290 [ 28.429582][ T45] ___cache_free+0x104/0x120 [ 28.434143][ T45] qlink_free+0x4d/0x90 [ 28.438278][ T45] qlist_free_all+0x5f/0xb0 [ 28.442764][ T45] kasan_quarantine_reduce+0x14a/0x170 [ 28.448202][ T45] __kasan_slab_alloc+0x2f/0xf0 [ 28.453029][ T45] slab_post_alloc_hook+0x4f/0x2b0 [ 28.458118][ T45] kmem_cache_alloc+0xf7/0x260 [ 28.462855][ T45] __alloc_skb+0xe0/0x740 [ 28.467160][ T45] inet_netconf_notify_devconf+0x169/0x220 [ 28.472938][ T45] [ 28.475242][ T45] Memory state around the buggy address: [ 28.480836][ T45] ffff888110f29f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.488867][ T45] ffff888110f2a000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.496904][ T45] >ffff888110f2a080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.504935][ T45] ^ [ 28.511577][ T45] ffff888110f2a100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.519611][ T45] ffff888110f2a180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.527638][ T45] ================================================================== [ 28.535667][ T45] Disabling lock debugging due to kernel taint [ 28.561037][ T30] kauditd_printk_skb: 30 callbacks suppressed [ 28.561048][ T30] audit: type=1400 audit(1761861421.448:104): avc: denied { read } for pid=83 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 28.588902][ T30] audit: type=1400 audit(1761861421.448:105): avc: denied { search } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 28.633472][ T30] audit: type=1400 audit(1761861421.448:106): avc: denied { write } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 28.660498][ T30] audit: type=1400 audit(1761861421.448:107): avc: denied { add_name } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 28.684693][ T30] audit: type=1400 audit(1761861421.448:108): avc: denied { create } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 28.705257][ T30] audit: type=1400 audit(1761861421.448:109): avc: denied { append open } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 28.729144][ T30] audit: type=1400 audit(1761861421.448:110): avc: denied { getattr } for pid=83 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 28.900013][ T679] device veth0_vlan left promiscuous mode [ 28.906036][ T679] device veth0_vlan entered promiscuous mode 2025/10/30 21:57:02 executed programs: 116 2025/10/30 21:57:07 executed programs: 370