[ 5.764483][ T1474] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 17.495970][ T24] kauditd_printk_skb: 8 callbacks suppressed [ 17.495982][ T24] audit: type=1400 audit(1648598119.296:72): avc: denied { transition } for pid=1742 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 [ 17.504414][ T24] audit: type=1400 audit(1648598119.296:73): avc: denied { write } for pid=1742 comm="sh" path="pipe:[642]" dev="pipefs" ino=642 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 17.992088][ T1743] sshd (1743) used greatest stack depth: 11432 bytes left Warning: Permanently added '10.128.0.31' (ECDSA) to the list of known hosts. 2022/03/29 23:55:25 fuzzer started 2022/03/29 23:55:25 connecting to host at 10.128.0.163:33185 2022/03/29 23:55:25 checking machine... 2022/03/29 23:55:25 checking revisions... 2022/03/29 23:55:25 testing simple program... [ 23.991316][ T24] audit: type=1400 audit(1648598125.786:74): avc: denied { getattr } for pid=1798 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 [ 24.006585][ T1806] cgroup: Unknown subsys name 'net' [ 24.014803][ T24] audit: type=1400 audit(1648598125.796:75): avc: denied { read } for pid=1798 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 24.040920][ T24] audit: type=1400 audit(1648598125.796:76): avc: denied { open } for pid=1798 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 [ 24.064155][ T24] audit: type=1400 audit(1648598125.806:77): avc: denied { mounton } for pid=1806 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 [ 24.086926][ T24] audit: type=1400 audit(1648598125.806:78): avc: denied { mount } for pid=1806 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 [ 24.109215][ T24] audit: type=1400 audit(1648598125.816:79): avc: denied { unmount } for pid=1806 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.109303][ T1806] cgroup: Unknown subsys name 'devices' [ 24.134664][ T1806] cgroup: Unknown subsys name 'blkio' [ 24.232605][ T1806] cgroup: Unknown subsys name 'hugetlb' [ 24.238382][ T1806] cgroup: Unknown subsys name 'rlimit' [ 24.366278][ T24] audit: type=1400 audit(1648598126.166:80): avc: denied { execmem } for pid=1807 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.398246][ T24] audit: type=1400 audit(1648598126.196:81): avc: denied { mounton } for pid=1808 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 [ 24.419724][ T24] audit: type=1400 audit(1648598126.206:82): avc: denied { module_request } for pid=1808 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 24.441549][ T24] audit: type=1400 audit(1648598126.216:83): avc: denied { sys_module } for pid=1808 comm="syz-executor.0" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 24.493524][ T1808] chnl_net:caif_netlink_parms(): no params data found [ 24.522196][ T1808] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.529264][ T1808] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.536852][ T1808] device bridge_slave_0 entered promiscuous mode [ 24.543750][ T1808] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.550778][ T1808] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.558530][ T1808] device bridge_slave_1 entered promiscuous mode [ 24.572916][ T1808] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 24.583139][ T1808] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 24.599233][ T1808] team0: Port device team_slave_0 added [ 24.605571][ T1808] team0: Port device team_slave_1 added [ 24.617949][ T1808] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 24.624912][ T1808] 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. [ 24.650781][ T1808] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 24.661884][ T1808] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 24.668849][ T1808] 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. [ 24.694730][ T1808] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 24.715518][ T1808] device hsr_slave_0 entered promiscuous mode [ 24.722043][ T1808] device hsr_slave_1 entered promiscuous mode [ 24.773258][ T1808] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 24.781490][ T1808] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 24.789997][ T1808] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 24.798304][ T1808] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 24.811029][ T1808] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.818070][ T1808] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.825306][ T1808] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.832396][ T1808] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.855831][ T1808] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.865011][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.873351][ T280] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.880947][ T280] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.889508][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 24.898979][ T1808] 8021q: adding VLAN 0 to HW filter on device team0 [ 24.907979][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.916526][ T1822] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.923574][ T1822] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.940150][ T1808] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 24.950540][ T1808] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 24.963789][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.972273][ T1822] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.979287][ T1822] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.987692][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 24.996262][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 25.004957][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 25.013344][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 25.021471][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 25.028915][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 25.041576][ T1808] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 25.049456][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 25.056811][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 25.099551][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 25.137766][ T1808] device veth0_vlan entered promiscuous mode [ 25.144603][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 25.153163][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 25.161197][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 25.170504][ T1808] device veth1_vlan entered promiscuous mode [ 25.180994][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 25.189265][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 25.197177][ T280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 25.206737][ T1808] device veth0_macvtap entered promiscuous mode [ 25.214494][ T1808] device veth1_macvtap entered promiscuous mode [ 25.225547][ T1808] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 25.233370][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 25.242723][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 25.252378][ T1808] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 25.259770][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 25.269349][ T1808] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 25.278092][ T1808] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 25.286819][ T1808] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 25.295548][ T1808] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 25.363149][ T8] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program 2022/03/29 23:55:30 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