[ 6.159318][ T1475] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 14.290860][ T24] kauditd_printk_skb: 38 callbacks suppressed [ 14.290868][ T24] audit: type=1400 audit(1648598117.059:72): avc: denied { transition } for pid=1636 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 [ 14.298617][ T24] audit: type=1400 audit(1648598117.069:73): avc: denied { write } for pid=1636 comm="sh" path="pipe:[14489]" dev="pipefs" ino=14489 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 14.893809][ T1637] sshd (1637) used greatest stack depth: 11432 bytes left Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts. 2022/03/29 23:55:23 fuzzer started 2022/03/29 23:55:23 connecting to host at 10.128.0.163:39857 2022/03/29 23:55:23 checking machine... 2022/03/29 23:55:23 checking revisions... 2022/03/29 23:55:23 testing simple program... [ 20.799744][ T24] audit: type=1400 audit(1648598123.569:74): avc: denied { getattr } for pid=1797 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 [ 20.816530][ T1805] cgroup: Unknown subsys name 'net' [ 20.824465][ T24] audit: type=1400 audit(1648598123.569:75): avc: denied { read } for pid=1797 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 20.852173][ T24] audit: type=1400 audit(1648598123.569:76): avc: denied { open } for pid=1797 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 [ 20.876749][ T24] audit: type=1400 audit(1648598123.569:77): avc: denied { mounton } for pid=1805 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 [ 20.899994][ T24] audit: type=1400 audit(1648598123.569:78): avc: denied { mount } for pid=1805 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 [ 20.923584][ T24] audit: type=1400 audit(1648598123.599:79): avc: denied { unmount } for pid=1805 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 20.923819][ T1805] cgroup: Unknown subsys name 'devices' [ 20.949620][ T1805] cgroup: Unknown subsys name 'blkio' [ 21.037574][ T1805] cgroup: Unknown subsys name 'hugetlb' [ 21.043357][ T1805] cgroup: Unknown subsys name 'rlimit' [ 21.176132][ T24] audit: type=1400 audit(1648598123.939:80): 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 [ 21.208878][ T24] audit: type=1400 audit(1648598123.979:81): 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 [ 21.233471][ T24] audit: type=1400 audit(1648598123.999:82): 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 [ 21.256268][ T24] audit: type=1400 audit(1648598123.999:83): 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 [ 21.321778][ T1808] chnl_net:caif_netlink_parms(): no params data found [ 21.351902][ T1808] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.359170][ T1808] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.367169][ T1808] device bridge_slave_0 entered promiscuous mode [ 21.374688][ T1808] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.381769][ T1808] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.389245][ T1808] device bridge_slave_1 entered promiscuous mode [ 21.404531][ T1808] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 21.414748][ T1808] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 21.433090][ T1808] team0: Port device team_slave_0 added [ 21.439713][ T1808] team0: Port device team_slave_1 added [ 21.453461][ T1808] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 21.460428][ 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. [ 21.487436][ T1808] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 21.498658][ T1808] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 21.505674][ 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. [ 21.532446][ T1808] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 21.552597][ T1808] device hsr_slave_0 entered promiscuous mode [ 21.559247][ T1808] device hsr_slave_1 entered promiscuous mode [ 21.611265][ T1808] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 21.619860][ T1808] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 21.628277][ T1808] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 21.637490][ T1808] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 21.650172][ T1808] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.657714][ T1808] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.665527][ T1808] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.672693][ T1808] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.696069][ T1808] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.705591][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.714037][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.722175][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.731043][ T39] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 21.741108][ T1808] 8021q: adding VLAN 0 to HW filter on device team0 [ 21.750991][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.759750][ T25] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.767306][ T25] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.784903][ T1808] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 21.795977][ T1808] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 21.809356][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.817722][ T1825] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.825039][ T1825] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.833813][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 21.842502][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 21.851702][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.860196][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.868772][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 21.876999][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 21.888616][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 21.896301][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 21.905492][ T1808] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 21.951381][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 21.990066][ T1808] device veth0_vlan entered promiscuous mode [ 21.996952][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.005305][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 22.013132][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 22.022630][ T1808] device veth1_vlan entered promiscuous mode [ 22.033596][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 22.041905][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 22.050172][ T1822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.059650][ T1808] device veth0_macvtap entered promiscuous mode [ 22.067703][ T1808] device veth1_macvtap entered promiscuous mode [ 22.078340][ T1808] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 22.087778][ T1808] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 22.095421][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.104578][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.113552][ T1825] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 22.122995][ T1808] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.132308][ T1808] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.141115][ T1808] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.149997][ T1808] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.216123][ T43] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program 2022/03/29 23:55:28 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