Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. 2022/12/21 14:03:26 fuzzer started 2022/12/21 14:03:26 dialing manager at 10.128.0.163:37147 2022/12/21 14:03:26 checking machine... 2022/12/21 14:03:26 checking revisions... 2022/12/21 14:03:26 testing simple program... [ 20.999193][ T23] audit: type=1400 audit(1671631406.863:74): avc: denied { getattr } for pid=3097 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 [ 21.013200][ T3106] cgroup: Unknown subsys name 'net' [ 21.022712][ T23] audit: type=1400 audit(1671631406.863:75): avc: denied { read } for pid=3097 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 21.048745][ T23] audit: type=1400 audit(1671631406.863:76): avc: denied { open } for pid=3097 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 [ 21.071969][ T23] audit: type=1400 audit(1671631406.863:77): avc: denied { mounton } for pid=3106 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 [ 21.094638][ T23] audit: type=1400 audit(1671631406.863:78): avc: denied { mount } for pid=3106 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 [ 21.116801][ T23] audit: type=1400 audit(1671631406.903:79): avc: denied { unmount } for pid=3106 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.257196][ T3106] cgroup: Unknown subsys name 'rlimit' [ 21.346900][ T23] audit: type=1400 audit(1671631407.213:80): avc: denied { mounton } for pid=3106 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 [ 21.381502][ T23] audit: type=1400 audit(1671631407.213:81): avc: denied { mount } for pid=3106 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 [ 21.404877][ T23] audit: type=1400 audit(1671631407.213:82): avc: denied { create } for pid=3106 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 21.425323][ T23] audit: type=1400 audit(1671631407.213:83): avc: denied { write } for pid=3106 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 21.531645][ T3110] chnl_net:caif_netlink_parms(): no params data found [ 21.561554][ T3110] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.568622][ T3110] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.576375][ T3110] device bridge_slave_0 entered promiscuous mode [ 21.583272][ T3110] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.590456][ T3110] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.598049][ T3110] device bridge_slave_1 entered promiscuous mode [ 21.612277][ T3110] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 21.622168][ T3110] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 21.638925][ T3110] team0: Port device team_slave_0 added [ 21.645158][ T3110] team0: Port device team_slave_1 added [ 21.658722][ T3110] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 21.665668][ T3110] 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. [ 21.691797][ T3110] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 21.702783][ T3110] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 21.709750][ T3110] 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. [ 21.735626][ T3110] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 21.757725][ T3110] device hsr_slave_0 entered promiscuous mode [ 21.764239][ T3110] device hsr_slave_1 entered promiscuous mode [ 21.819310][ T3110] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 21.827805][ T3110] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 21.835707][ T3110] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 21.843935][ T3110] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 21.856690][ T3110] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.863731][ T3110] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.871087][ T3110] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.878210][ T3110] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.903187][ T3110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.912565][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 21.921082][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.929109][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.937691][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 21.947521][ T3110] 8021q: adding VLAN 0 to HW filter on device team0 [ 21.956880][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 21.965107][ T3125] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.972161][ T3125] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.981871][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 21.990473][ T24] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.997557][ T24] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.015064][ T3110] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 22.025467][ T3110] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 22.039544][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 22.047978][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 22.055990][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 22.063512][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 22.104244][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 22.111729][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 22.120360][ T3110] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 22.132213][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 22.185091][ T3110] device veth0_vlan entered promiscuous mode [ 22.191757][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 22.200139][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 22.207743][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 22.217143][ T3110] device veth1_vlan entered promiscuous mode [ 22.228626][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 22.236800][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 22.244863][ T3125] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 22.254343][ T3110] device veth0_macvtap entered promiscuous mode [ 22.261873][ T3110] device veth1_macvtap entered promiscuous mode [ 22.272998][ T3110] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 22.280492][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 22.289710][ T3126] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 22.299154][ T3110] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 22.307044][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 22.316680][ T3110] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.325354][ T3110] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 2022/12/21 14:03:28 building call list... [ 22.334109][ T3110] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 22.342901][ T3110] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 24.508071][ T3103] can: request_module (can-proto-0) failed. [ 24.521649][ T3103] can: request_module (can-proto-0) failed. [ 24.534441][ T3103] can: request_module (can-proto-0) failed. [ 25.716361][ T3110] syz-executor.0 (3110) used greatest stack depth: 10736 bytes left [ 25.727715][ T45] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.928751][ T45] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 28.008887][ T45] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 28.069379][ T45] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 28.607785][ T45] device hsr_slave_0 left promiscuous mode [ 28.613940][ T45] device hsr_slave_1 left promiscuous mode [ 28.620308][ T45] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 28.627746][ T45] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 28.635457][ T45] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 28.642874][ T45] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 28.650980][ T45] device bridge_slave_1 left promiscuous mode [ 28.657214][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.664972][ T45] device bridge_slave_0 left promiscuous mode [ 28.671316][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.681607][ T45] device veth1_macvtap left promiscuous mode [ 28.687637][ T45] device veth0_macvtap left promiscuous mode [ 28.693642][ T45] device veth1_vlan left promiscuous mode [ 28.699428][ T45] device veth0_vlan left promiscuous mode [ 28.783667][ T45] team0 (unregistering): Port device team_slave_1 removed [ 28.792616][ T45] team0 (unregistering): Port device team_slave_0 removed [ 28.801740][ T45] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 28.812227][ T45] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 28.837498][ T45] bond0 (unregistering): Released all slaves [ 39.048160][ T23] kauditd_printk_skb: 67 callbacks suppressed [ 39.048168][ T23] audit: type=1400 audit(1671631424.913:151): avc: denied { remove_name } for pid=2719 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 [ 39.076809][ T23] audit: type=1400 audit(1671631424.913:152): avc: denied { rename } for pid=2719 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 [ 39.099042][ T23] audit: type=1400 audit(1671631424.913:153): avc: denied { create } for pid=2719 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 76.356206][ T0] ================================================================== [ 76.364296][ T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_nohz_stop_tick [ 76.372440][ T0] [ 76.374744][ T0] write to 0xffffffff85ed4030 of 4 bytes by task 0 on cpu 0: [ 76.382090][ T0] tick_nohz_stop_tick+0xa0/0x400 [ 76.387099][ T0] tick_nohz_idle_stop_tick+0x174/0x2c0 [ 76.392630][ T0] do_idle+0x18a/0x250 [ 76.396678][ T0] cpu_startup_entry+0x15/0x20 [ 76.401419][ T0] rest_init+0xe8/0xf0 [ 76.405471][ T0] arch_call_rest_init+0x5/0x10 [ 76.410307][ T0] start_kernel+0x59e/0x630 [ 76.414796][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 76.420671][ T0] [ 76.422989][ T0] read to 0xffffffff85ed4030 of 4 bytes by task 0 on cpu 1: [ 76.430261][ T0] tick_nohz_next_event+0x1ee/0x2c0 [ 76.435453][ T0] tick_nohz_get_sleep_length+0x15b/0x250 [ 76.441161][ T0] menu_select+0x347/0x1010 [ 76.445657][ T0] cpuidle_select+0x3d/0x50 [ 76.450153][ T0] do_idle+0x173/0x250 [ 76.454201][ T0] cpu_startup_entry+0x15/0x20 [ 76.458943][ T0] start_secondary+0x78/0x80 [ 76.463522][ T0] secondary_startup_64_no_verify+0xcf/0xdb [ 76.469410][ T0] [ 76.471722][ T0] value changed: 0x00000000 -> 0xffffffff [ 76.477415][ T0] [ 76.479719][ T0] Reported by Kernel Concurrency Sanitizer on: [ 76.485855][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.1.0-syzkaller-13872-gb6bb9676f216-dirty #0 [ 76.495635][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 76.505669][ T0] ==================================================================