[ 19.141032][ T27] audit: type=1400 audit(1708344159.045:81): avc: denied { read } for pid=2760 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts. 2024/02/19 12:02:43 fuzzer started 2024/02/19 12:02:43 dialing manager at 10.128.0.163:30015 2024/02/19 12:02:43 checking machine... 2024/02/19 12:02:43 checking revisions... [ 23.630300][ T27] audit: type=1400 audit(1708344163.535:82): avc: denied { node_bind } for pid=3069 comm="syz-fuzzer" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 23.651166][ T27] audit: type=1400 audit(1708344163.535:83): avc: denied { name_bind } for pid=3069 comm="syz-fuzzer" src=6060 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1 2024/02/19 12:02:43 testing simple program... [ 23.752206][ T27] audit: type=1400 audit(1708344163.655:84): avc: denied { getattr } for pid=3069 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 [ 23.772675][ T3078] cgroup: Unknown subsys name 'net' [ 23.775848][ T27] audit: type=1400 audit(1708344163.655:85): avc: denied { read } for pid=3069 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 23.802010][ T27] audit: type=1400 audit(1708344163.655:86): avc: denied { open } for pid=3069 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 [ 23.825461][ T27] audit: type=1400 audit(1708344163.655:87): avc: denied { mounton } for pid=3078 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 23.848332][ T27] audit: type=1400 audit(1708344163.655:88): avc: denied { mount } for pid=3078 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 [ 23.870601][ T27] audit: type=1400 audit(1708344163.685:89): avc: denied { unmount } for pid=3078 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.068358][ T3078] cgroup: Unknown subsys name 'rlimit' [ 24.158733][ T27] audit: type=1400 audit(1708344164.065:90): avc: denied { mounton } for pid=3078 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 [ 24.183912][ T27] audit: type=1400 audit(1708344164.065:91): avc: denied { mount } for pid=3078 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 [ 24.214384][ T3079] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.278733][ T3078] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.474921][ T3082] chnl_net:caif_netlink_parms(): no params data found [ 24.511558][ T3082] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.518963][ T3082] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.526394][ T3082] bridge_slave_0: entered allmulticast mode [ 24.533102][ T3082] bridge_slave_0: entered promiscuous mode [ 24.540013][ T3082] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.547298][ T3082] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.555135][ T3082] bridge_slave_1: entered allmulticast mode [ 24.562047][ T3082] bridge_slave_1: entered promiscuous mode [ 24.579710][ T3082] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 24.590062][ T3082] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 24.610061][ T3082] team0: Port device team_slave_0 added [ 24.616387][ T3082] team0: Port device team_slave_1 added [ 24.631482][ T3082] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 24.638626][ T3082] 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. [ 24.664672][ T3082] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 24.675857][ T3082] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 24.682878][ T3082] 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. [ 24.709137][ T3082] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 24.735784][ T3082] hsr_slave_0: entered promiscuous mode [ 24.742268][ T3082] hsr_slave_1: entered promiscuous mode [ 24.806646][ T3082] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 24.815308][ T3082] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 24.823822][ T3082] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 24.833317][ T3082] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 24.848369][ T3082] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.855448][ T3082] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.862790][ T3082] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.869988][ T3082] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.901548][ T3082] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.913192][ T3082] 8021q: adding VLAN 0 to HW filter on device team0 [ 24.921497][ T958] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.929493][ T958] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.947596][ T2742] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.954994][ T2742] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.963850][ T2742] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.970949][ T2742] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.993808][ T3082] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 25.044448][ T3082] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 25.113563][ T3082] veth0_vlan: entered promiscuous mode [ 25.122170][ T3082] veth1_vlan: entered promiscuous mode [ 25.138448][ T3082] veth0_macvtap: entered promiscuous mode [ 25.146156][ T3082] veth1_macvtap: entered promiscuous mode [ 25.158177][ T3082] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 25.170027][ T3082] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 25.180010][ T3082] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 25.188891][ T3082] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 25.197693][ T3082] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 25.206394][ T3082] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2024/02/19 12:02:45 building call list... executing program [ 27.953860][ T3072] can: request_module (can-proto-0) failed. [ 27.966759][ T3072] can: request_module (can-proto-0) failed. [ 27.980120][ T3072] can: request_module (can-proto-0) failed. [ 28.171114][ T3072] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 28.299872][ T3072] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 28.576892][ T3082] syz-executor.0 (3082) used greatest stack depth: 10568 bytes left [ 28.587941][ T1555] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 30.779755][ T1555] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 30.859382][ T1555] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 30.919371][ T1555] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 31.003934][ T27] kauditd_printk_skb: 76 callbacks suppressed [ 31.003951][ T27] audit: type=1400 audit(1708344170.905:168): avc: denied { search } for pid=2816 comm="dhcpcd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 31.031852][ T27] audit: type=1400 audit(1708344170.905:169): avc: denied { read } for pid=2816 comm="dhcpcd" name="n25" dev="tmpfs" ino=398 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 31.053804][ T27] audit: type=1400 audit(1708344170.905:170): avc: denied { open } for pid=2816 comm="dhcpcd" path="/run/udev/data/n25" dev="tmpfs" ino=398 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 31.076679][ T27] audit: type=1400 audit(1708344170.905:171): avc: denied { getattr } for pid=2816 comm="dhcpcd" path="/run/udev/data/n25" dev="tmpfs" ino=398 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 31.100212][ T27] audit: type=1400 audit(1708344170.935:172): avc: denied { read } for pid=3181 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=342 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 31.123279][ T27] audit: type=1400 audit(1708344170.935:173): avc: denied { open } for pid=3181 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=342 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 31.148842][ T27] audit: type=1400 audit(1708344170.935:174): avc: denied { getattr } for pid=3181 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=342 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 31.174135][ T27] audit: type=1400 audit(1708344170.985:175): avc: denied { write } for pid=3180 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=341 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 31.197064][ T27] audit: type=1400 audit(1708344170.985:176): avc: denied { add_name } for pid=3180 comm="dhcpcd-run-hook" name="resolv.conf.eth1.link" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 31.219465][ T27] audit: type=1400 audit(1708344170.985:177): avc: denied { create } for pid=3180 comm="dhcpcd-run-hook" name="resolv.conf.eth1.link" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 31.688623][ T1555] hsr_slave_0: left promiscuous mode [ 31.694283][ T1555] hsr_slave_1: left promiscuous mode [ 31.700076][ T1555] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 31.707526][ T1555] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 31.715108][ T1555] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 31.722535][ T1555] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 31.730326][ T1555] bridge_slave_1: left allmulticast mode [ 31.736082][ T1555] bridge_slave_1: left promiscuous mode [ 31.741824][ T1555] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.749528][ T1555] bridge_slave_0: left allmulticast mode [ 31.755195][ T1555] bridge_slave_0: left promiscuous mode [ 31.760877][ T1555] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.772048][ T1555] veth1_macvtap: left promiscuous mode [ 31.777573][ T1555] veth0_macvtap: left promiscuous mode [ 31.783167][ T1555] veth1_vlan: left promiscuous mode [ 31.788466][ T1555] veth0_vlan: left promiscuous mode [ 31.871505][ T1555] team0 (unregistering): Port device team_slave_1 removed [ 31.881709][ T1555] team0 (unregistering): Port device team_slave_0 removed [ 31.891618][ T1555] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 31.902660][ T1555] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 31.932524][ T1555] bond0 (unregistering): Released all slaves [ 38.451413][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 38.451427][ T27] audit: type=1400 audit(1708344178.355:182): avc: denied { remove_name } for pid=2760 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 [ 38.480377][ T27] audit: type=1400 audit(1708344178.355:183): avc: denied { rename } for pid=2760 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 [ 38.502594][ T27] audit: type=1400 audit(1708344178.355:184): avc: denied { create } for pid=2760 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 60.316626][ T0] ================================================================== [ 60.324762][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick [ 60.333739][ T0] [ 60.336056][ T0] write to 0xffffffff8611edf0 of 4 bytes by task 0 on cpu 1: [ 60.343511][ T0] tick_nohz_idle_stop_tick+0x1d8/0x760 [ 60.349073][ T0] do_idle+0x177/0x230 [ 60.353149][ T0] cpu_startup_entry+0x24/0x30 [ 60.357923][ T0] start_secondary+0x82/0x90 [ 60.362538][ T0] secondary_startup_64_no_verify+0x15f/0x16b [ 60.368632][ T0] [ 60.370961][ T0] read to 0xffffffff8611edf0 of 4 bytes by task 0 on cpu 0: [ 60.378247][ T0] tick_nohz_idle_stop_tick+0x1b0/0x760 [ 60.383812][ T0] do_idle+0x177/0x230 [ 60.387890][ T0] cpu_startup_entry+0x24/0x30 [ 60.392667][ T0] rest_init+0xf3/0x100 [ 60.396820][ T0] arch_call_rest_init+0x9/0x10 [ 60.401686][ T0] start_kernel+0x57d/0x5e0 [ 60.406212][ T0] x86_64_start_reservations+0x2a/0x30 [ 60.411717][ T0] x86_64_start_kernel+0x94/0xa0 [ 60.416664][ T0] secondary_startup_64_no_verify+0x15f/0x16b [ 60.422738][ T0] [ 60.425063][ T0] value changed: 0x00000001 -> 0xffffffff [ 60.430786][ T0] [ 60.433102][ T0] Reported by Kernel Concurrency Sanitizer on: [ 60.439245][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.8.0-rc5-syzkaller #0 [ 60.447139][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 60.457367][ T0] ==================================================================