[ 5.322655][ T1477] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 14.900471][ T24] kauditd_printk_skb: 61 callbacks suppressed [ 14.900479][ T24] audit: type=1400 audit(1648607059.602:72): avc: denied { transition } for pid=1638 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 [ 14.905601][ T24] audit: type=1400 audit(1648607059.602:73): avc: denied { write } for pid=1638 comm="sh" path="pipe:[553]" dev="pipefs" ino=553 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 15.617010][ T1639] sshd (1639) used greatest stack depth: 11432 bytes left Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. 2022/03/30 02:24:26 fuzzer started 2022/03/30 02:24:26 connecting to host at 10.128.0.163:44415 2022/03/30 02:24:26 checking machine... 2022/03/30 02:24:26 checking revisions... 2022/03/30 02:24:26 testing simple program... [ 21.583227][ T24] audit: type=1400 audit(1648607066.282:74): avc: denied { getattr } for pid=1800 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 21.607332][ T24] audit: type=1400 audit(1648607066.282:75): avc: denied { read } for pid=1800 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 21.620785][ T1809] cgroup: Unknown subsys name 'net' [ 21.628298][ T24] audit: type=1400 audit(1648607066.282:76): avc: denied { open } for pid=1800 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 21.656594][ T24] audit: type=1400 audit(1648607066.322:77): avc: denied { mounton } for pid=1809 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 21.656696][ T1809] cgroup: Unknown subsys name 'devices' [ 21.679262][ T24] audit: type=1400 audit(1648607066.322:78): avc: denied { mount } for pid=1809 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 [ 21.685227][ T1809] cgroup: Unknown subsys name 'blkio' [ 21.707002][ T24] audit: type=1400 audit(1648607066.332:79): avc: denied { unmount } for pid=1809 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.817248][ T1809] cgroup: Unknown subsys name 'hugetlb' [ 21.822882][ T1809] cgroup: Unknown subsys name 'rlimit' [ 21.951553][ T24] audit: type=1400 audit(1648607066.652:80): avc: denied { execmem } for pid=1810 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.972771][ T24] audit: type=1400 audit(1648607066.672:81): avc: denied { mounton } for pid=1811 comm="syz-executor.0" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 21.994474][ T24] audit: type=1400 audit(1648607066.672:82): avc: denied { module_request } for pid=1811 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 22.016518][ T24] audit: type=1400 audit(1648607066.682:83): avc: denied { sys_module } for pid=1811 comm="syz-executor.0" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 22.067915][ T1811] chnl_net:caif_netlink_parms(): no params data found [ 22.095958][ T1811] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.103121][ T1811] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.110701][ T1811] device bridge_slave_0 entered promiscuous mode [ 22.118074][ T1811] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.125141][ T1811] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.132756][ T1811] device bridge_slave_1 entered promiscuous mode [ 22.147580][ T1811] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 22.157880][ T1811] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 22.174875][ T1811] team0: Port device team_slave_0 added [ 22.181074][ T1811] team0: Port device team_slave_1 added [ 22.194338][ T1811] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 22.201289][ T1811] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 22.227161][ T1811] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 22.238157][ T1811] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 22.245167][ T1811] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 22.271325][ T1811] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 22.292900][ T1811] device hsr_slave_0 entered promiscuous mode [ 22.299685][ T1811] device hsr_slave_1 entered promiscuous mode [ 22.351829][ T1811] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 22.360401][ T1811] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 22.369159][ T1811] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 22.377612][ T1811] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 22.390519][ T1811] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.397567][ T1811] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.404797][ T1811] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.411923][ T1811] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.435024][ T1811] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.445668][ T1811] 8021q: adding VLAN 0 to HW filter on device team0 [ 22.453608][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 22.462571][ T1825] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.470597][ T1825] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.479078][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 22.490841][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.499437][ T25] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.507445][ T25] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.517052][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.525293][ T6] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.532388][ T6] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.549050][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 22.557679][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 22.566079][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 22.574442][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 22.584472][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 22.593699][ T1811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 22.604933][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 22.612469][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 22.622060][ T1811] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 22.665778][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.705693][ T1811] device veth0_vlan entered promiscuous mode [ 22.712591][ T891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.721166][ T891] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 22.728790][ T891] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 22.738234][ T1811] device veth1_vlan entered promiscuous mode [ 22.749320][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 22.757376][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 22.765715][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.775290][ T1811] device veth0_macvtap entered promiscuous mode [ 22.783188][ T1811] device veth1_macvtap entered promiscuous mode [ 22.794102][ T1811] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 22.803061][ T1811] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 22.810375][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.819234][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.828272][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 22.837648][ T1811] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.846802][ T1811] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.855548][ T1811] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.864245][ T1811] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.928493][ T223] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 25.748686][ T223] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2022/03/30 02:24:30 BUG: program execution failed: executor 0: failed to write control pipe: write |1: broken pipe SYZFAIL: control pipe write failed (errno 9: Bad file descriptor) loop exited with status 67