Warning: Permanently added '10.128.1.68' (ECDSA) to the list of known hosts. 2023/01/19 07:03:29 fuzzer started 2023/01/19 07:03:29 dialing manager at 10.128.0.163:36713 2023/01/19 07:03:29 checking machine... 2023/01/19 07:03:29 checking revisions... 2023/01/19 07:03:29 testing simple program... [ 20.108370][ T23] audit: type=1400 audit(1674111809.734:74): avc: denied { getattr } for pid=3094 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 [ 20.132264][ T23] audit: type=1400 audit(1674111809.734:75): avc: denied { read } for pid=3094 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 20.133126][ T3102] cgroup: Unknown subsys name 'net' [ 20.153312][ T23] audit: type=1400 audit(1674111809.734:76): avc: denied { open } for pid=3094 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 [ 20.181694][ T23] audit: type=1400 audit(1674111809.764:77): avc: denied { mounton } for pid=3102 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 [ 20.204383][ T23] audit: type=1400 audit(1674111809.764:78): avc: denied { mount } for pid=3102 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 [ 20.226520][ T23] audit: type=1400 audit(1674111809.784:79): avc: denied { unmount } for pid=3102 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 20.342638][ T3102] cgroup: Unknown subsys name 'rlimit' [ 20.432337][ T23] audit: type=1400 audit(1674111810.064:80): avc: denied { mounton } for pid=3102 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 [ 20.457225][ T23] audit: type=1400 audit(1674111810.064:81): avc: denied { mount } for pid=3102 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 [ 20.480430][ T23] audit: type=1400 audit(1674111810.064:82): avc: denied { create } for pid=3102 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 20.500957][ T23] audit: type=1400 audit(1674111810.064:83): avc: denied { write } for pid=3102 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 20.605285][ T3107] chnl_net:caif_netlink_parms(): no params data found [ 20.630310][ T3107] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.637359][ T3107] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.644784][ T3107] device bridge_slave_0 entered promiscuous mode [ 20.651897][ T3107] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.658959][ T3107] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.666447][ T3107] device bridge_slave_1 entered promiscuous mode [ 20.680140][ T3107] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 20.690334][ T3107] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 20.706453][ T3107] team0: Port device team_slave_0 added [ 20.712826][ T3107] team0: Port device team_slave_1 added [ 20.725687][ T3107] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 20.732746][ T3107] 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. [ 20.758628][ T3107] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 20.769763][ T3107] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 20.776698][ T3107] 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. [ 20.802606][ T3107] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 20.823289][ T3107] device hsr_slave_0 entered promiscuous mode [ 20.829628][ T3107] device hsr_slave_1 entered promiscuous mode [ 20.878552][ T3107] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 20.886880][ T3107] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 20.895215][ T3107] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 20.903288][ T3107] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 20.915309][ T3107] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.922350][ T3107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 20.929671][ T3107] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.936860][ T3107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 20.960271][ T3107] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.969160][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 20.977817][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.985724][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.993809][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 21.003474][ T3107] 8021q: adding VLAN 0 to HW filter on device team0 [ 21.012688][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.020975][ T34] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.028026][ T34] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.036774][ T882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.045043][ T882] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.052065][ T882] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.065239][ T882] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 21.076280][ T3123] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 21.085890][ T3107] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 21.096744][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 21.104813][ T882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 21.142570][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 21.150039][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 21.158981][ T3107] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 21.170831][ T882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 21.224473][ T3107] device veth0_vlan entered promiscuous mode [ 21.231931][ T882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 21.240155][ T882] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 21.247755][ T882] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 21.256260][ T3107] device veth1_vlan entered promiscuous mode [ 21.267320][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 21.275223][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 21.283300][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 21.292658][ T3107] device veth0_macvtap entered promiscuous mode [ 21.300025][ T3107] device veth1_macvtap entered promiscuous mode [ 21.310960][ T3107] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 21.318404][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 21.327718][ T3122] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 21.337465][ T3107] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 21.344939][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 21.354657][ T3107] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.363384][ T3107] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 2023/01/19 07:03:31 building call list... [ 21.372179][ T3107] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.381053][ T3107] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 23.332406][ T3096] can: request_module (can-proto-0) failed. [ 23.345508][ T3096] can: request_module (can-proto-0) failed. [ 23.357951][ T3096] can: request_module (can-proto-0) failed. [ 24.542019][ T3107] syz-executor.0 (3107) used greatest stack depth: 10792 bytes left [ 24.554112][ T35] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 26.804283][ T35] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 26.854263][ T35] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 26.964390][ T35] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.533188][ T35] device hsr_slave_0 left promiscuous mode [ 27.539342][ T35] device hsr_slave_1 left promiscuous mode [ 27.545686][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 27.553153][ T35] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 27.560765][ T35] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 27.568185][ T35] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 27.576472][ T35] device bridge_slave_1 left promiscuous mode [ 27.582671][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.590274][ T35] device bridge_slave_0 left promiscuous mode [ 27.596514][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.605880][ T35] device veth1_macvtap left promiscuous mode [ 27.611909][ T35] device veth0_macvtap left promiscuous mode [ 27.617933][ T35] device veth1_vlan left promiscuous mode [ 27.623767][ T35] device veth0_vlan left promiscuous mode [ 27.685961][ T35] team0 (unregistering): Port device team_slave_1 removed [ 27.695682][ T35] team0 (unregistering): Port device team_slave_0 removed [ 27.704518][ T35] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 27.714831][ T35] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 27.737160][ T35] bond0 (unregistering): Released all slaves [ 37.909539][ T23] kauditd_printk_skb: 67 callbacks suppressed [ 37.909549][ T23] audit: type=1400 audit(1674111827.544:151): avc: denied { remove_name } for pid=2718 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 37.938394][ T23] audit: type=1400 audit(1674111827.544:152): avc: denied { rename } for pid=2718 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 37.960560][ T23] audit: type=1400 audit(1674111827.544:153): avc: denied { create } for pid=2718 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 74.881666][ T0] ================================================================== [ 74.889766][ T0] BUG: KCSAN: data-race in tick_nohz_stop_tick / tick_nohz_stop_tick [ 74.897816][ T0] [ 74.900137][ T0] write to 0xffffffff85ed5170 of 4 bytes by task 0 on cpu 0: [ 74.907480][ T0] tick_nohz_stop_tick+0xa0/0x400 [ 74.912752][ T0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 74.918273][ T0] do_idle+0x18a/0x250 [ 74.922313][ T0] cpu_startup_entry+0x15/0x20 [ 74.927046][ T0] rest_init+0xe8/0xf0 [ 74.931092][ T0] arch_call_rest_init+0x5/0x10 [ 74.935918][ T0] start_kernel+0x59e/0x630 [ 74.940394][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 74.946261][ T0] [ 74.948556][ T0] read to 0xffffffff85ed5170 of 4 bytes by task 0 on cpu 1: [ 74.955983][ T0] tick_nohz_stop_tick+0x7a/0x400 [ 74.960987][ T0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 74.966509][ T0] do_idle+0x18a/0x250 [ 74.970555][ T0] cpu_startup_entry+0x15/0x20 [ 74.975386][ T0] start_secondary+0x78/0x80 [ 74.979955][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 74.985834][ T0] [ 74.988129][ T0] value changed: 0x00000000 -> 0xffffffff [ 74.993814][ T0] [ 74.996113][ T0] Reported by Kernel Concurrency Sanitizer on: [ 75.002406][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc4-syzkaller-00067-g7287904c8771-dirty #0 [ 75.012525][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 75.022556][ T0] ==================================================================