syzkaller syzkaller login: [ 4.601138][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 13.052184][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 13.052190][ T23] audit: type=1400 audit(1645980424.530:71): avc: denied { transition } for pid=290 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.057650][ T23] audit: type=1400 audit(1645980424.530:72): avc: denied { write } for pid=290 comm="sh" path="pipe:[11331]" dev="pipefs" ino=11331 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 13.721588][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 14.911050][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. 2022/02/27 16:47:11 parsed 1 programs [ 20.249021][ T23] audit: type=1400 audit(1645980431.720:73): avc: denied { getattr } for pid=365 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 20.263762][ T370] cgroup: Unknown subsys name 'net' [ 20.272614][ T23] audit: type=1400 audit(1645980431.720:74): avc: denied { read } for pid=365 comm="syz-execprog" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 20.298786][ T23] audit: type=1400 audit(1645980431.720:75): avc: denied { open } for pid=365 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 20.298924][ T370] cgroup: Unknown subsys name 'devices' [ 20.322099][ T23] audit: type=1400 audit(1645980431.730:76): avc: denied { read } for pid=365 comm="syz-execprog" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 20.350467][ T23] audit: type=1400 audit(1645980431.730:77): avc: denied { open } for pid=365 comm="syz-execprog" path="/dev/raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 20.373876][ T23] audit: type=1400 audit(1645980431.740:78): avc: denied { mounton } for pid=370 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 20.396621][ T23] audit: type=1400 audit(1645980431.740:79): avc: denied { mount } for pid=370 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 [ 20.418807][ T23] audit: type=1400 audit(1645980431.750:80): avc: denied { unmount } for pid=370 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 20.522520][ T370] cgroup: Unknown subsys name 'hugetlb' [ 20.528244][ T370] cgroup: Unknown subsys name 'rlimit' 2022/02/27 16:47:12 executed programs: 0 [ 20.651954][ T23] audit: type=1400 audit(1645980432.130:81): avc: denied { mounton } for pid=370 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 [ 20.692154][ T23] audit: type=1400 audit(1645980432.130:82): avc: denied { mount } for pid=370 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 20.784600][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.791699][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.798920][ T377] device bridge_slave_0 entered promiscuous mode [ 20.817834][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.824893][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.832247][ T377] device bridge_slave_1 entered promiscuous mode [ 20.893606][ T380] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.900652][ T380] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.908055][ T380] device bridge_slave_0 entered promiscuous mode [ 20.916537][ T380] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.923657][ T380] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.930872][ T380] device bridge_slave_1 entered promiscuous mode [ 20.939789][ T386] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.946924][ T386] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.954261][ T386] device bridge_slave_0 entered promiscuous mode [ 20.961096][ T386] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.968130][ T386] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.975405][ T386] device bridge_slave_1 entered promiscuous mode [ 20.988997][ T385] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.996084][ T385] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.003391][ T385] device bridge_slave_0 entered promiscuous mode [ 21.015762][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.022907][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.030119][ T378] device bridge_slave_0 entered promiscuous mode [ 21.042557][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.049584][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.056893][ T378] device bridge_slave_1 entered promiscuous mode [ 21.063393][ T385] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.070398][ T385] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.077661][ T385] device bridge_slave_1 entered promiscuous mode [ 21.099442][ T388] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.106499][ T388] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.113858][ T388] device bridge_slave_0 entered promiscuous mode [ 21.149166][ T388] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.156280][ T388] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.163639][ T388] device bridge_slave_1 entered promiscuous mode [ 21.183538][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.190583][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.197843][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.204858][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.254952][ T380] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.262017][ T380] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.269220][ T380] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.276234][ T380] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.296146][ T385] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.303183][ T385] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.310388][ T385] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.317410][ T385] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.329452][ T108] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.336734][ T108] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.344037][ T108] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.351438][ T108] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.358702][ T108] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.365926][ T108] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.373651][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 21.380953][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.401153][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.409251][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.416268][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.423588][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.432056][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.439060][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.465133][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.474216][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.491090][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 21.499392][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 21.526178][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.534254][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.542804][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.549806][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.557445][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.566064][ T371] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.573093][ T371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.580498][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.587936][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.596001][ T371] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.603021][ T371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.610417][ T371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 21.641593][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.648982][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 21.658381][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 21.667326][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.675262][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 21.683633][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.691121][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 21.691852][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.700673][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 21.707434][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.723979][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.732147][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.739141][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.746464][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.754418][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.762385][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.770204][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.801703][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.809914][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 21.818690][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 21.827474][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.836037][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.843084][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.850524][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.858736][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.865751][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.873063][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.880886][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.888812][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.896893][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.903909][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.911187][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.919019][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.931390][ T377] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 21.946200][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 21.954331][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 21.964516][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 21.973113][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 21.981471][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 21.989633][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 21.997949][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.006228][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 22.014475][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.022665][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.029678][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.036989][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 22.045348][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.053466][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.060480][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.067941][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 22.081618][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 22.089819][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.098172][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 22.106107][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.132815][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 22.142350][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.150707][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 22.159387][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.167892][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 22.175946][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.184049][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 22.192388][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.200525][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 22.208991][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.240471][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.249252][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 22.258871][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.267032][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 22.275255][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 22.283299][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 22.291674][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 22.299738][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 22.308207][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.317222][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 22.325596][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.335107][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 22.343745][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.352452][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 22.360589][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.369069][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 22.377601][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.385874][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 22.394088][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.420391][ T405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.428545][ T405] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 22.437352][ T405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.447034][ T405] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 22.454941][ T405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.470287][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 22.478779][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.487566][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 22.495845][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.011403][ T177] device bridge_slave_1 left promiscuous mode [ 23.017521][ T177] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.025215][ T177] device bridge_slave_0 left promiscuous mode [ 23.031417][ T177] bridge0: port 1(bridge_slave_0) entered disabled state 2022/02/27 16:47:25 executor failed 11 times: executor 1: exit status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: tun: can't open /dev/net/tun (errno 2: No such file or directory) loop exited with status 67