[ 16.980058][ T27] audit: type=1400 audit(1708296234.100:81): avc: denied { read } for pid=2757 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 '10.128.0.6' (ED25519) to the list of known hosts. 2024/02/18 22:43:57 fuzzer started 2024/02/18 22:43:57 dialing manager at 10.128.0.163:30015 2024/02/18 22:43:57 checking machine... 2024/02/18 22:43:57 checking revisions... [ 20.167370][ T27] audit: type=1400 audit(1708296237.290:82): avc: denied { node_bind } for pid=3065 comm="syz-fuzzer" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 20.187933][ T27] audit: type=1400 audit(1708296237.290:83): avc: denied { name_bind } for pid=3065 comm="syz-fuzzer" src=6060 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1 2024/02/18 22:43:57 testing simple program... [ 20.280687][ T27] audit: type=1400 audit(1708296237.400:84): avc: denied { getattr } for pid=3065 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 [ 20.300046][ T3075] cgroup: Unknown subsys name 'net' [ 20.304089][ T27] audit: type=1400 audit(1708296237.410:85): avc: denied { read } for pid=3065 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 20.330247][ T27] audit: type=1400 audit(1708296237.410:86): avc: denied { open } for pid=3065 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 [ 20.353340][ T27] audit: type=1400 audit(1708296237.420:87): avc: denied { mounton } for pid=3075 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 [ 20.375993][ T27] audit: type=1400 audit(1708296237.420:88): avc: denied { mount } for pid=3075 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 [ 20.398136][ T27] audit: type=1400 audit(1708296237.430:89): avc: denied { unmount } for pid=3075 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 20.535521][ T3075] cgroup: Unknown subsys name 'rlimit' [ 20.625561][ T27] audit: type=1400 audit(1708296237.750:90): avc: denied { mounton } for pid=3075 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 [ 20.650350][ T27] audit: type=1400 audit(1708296237.750:91): avc: denied { mount } for pid=3075 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 [ 20.662510][ T3077] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 20.738885][ T3075] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 20.896821][ T3080] chnl_net:caif_netlink_parms(): no params data found [ 20.926991][ T3080] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.934159][ T3080] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.941301][ T3080] bridge_slave_0: entered allmulticast mode [ 20.947557][ T3080] bridge_slave_0: entered promiscuous mode [ 20.954017][ T3080] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.961077][ T3080] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.968203][ T3080] bridge_slave_1: entered allmulticast mode [ 20.974551][ T3080] bridge_slave_1: entered promiscuous mode [ 20.989584][ T3080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 20.999516][ T3080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 21.016803][ T3080] team0: Port device team_slave_0 added [ 21.022950][ T3080] team0: Port device team_slave_1 added [ 21.036277][ T3080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 21.043270][ T3080] 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. [ 21.069383][ T3080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 21.080476][ T3080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 21.087432][ T3080] 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. [ 21.113308][ T3080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 21.135197][ T3080] hsr_slave_0: entered promiscuous mode [ 21.141010][ T3080] hsr_slave_1: entered promiscuous mode [ 21.193473][ T3080] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 21.201732][ T3080] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 21.210081][ T3080] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 21.218515][ T3080] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 21.231221][ T3080] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.238340][ T3080] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.245565][ T3080] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.252607][ T3080] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.279756][ T3080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.290061][ T3095] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.298036][ T3095] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.309443][ T3080] 8021q: adding VLAN 0 to HW filter on device team0 [ 21.326667][ T3097] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.333860][ T3097] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.341889][ T3097] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.348951][ T3097] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.396139][ T3080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 21.450262][ T3080] veth0_vlan: entered promiscuous mode [ 21.458035][ T3080] veth1_vlan: entered promiscuous mode [ 21.472222][ T3080] veth0_macvtap: entered promiscuous mode [ 21.479326][ T3080] veth1_macvtap: entered promiscuous mode [ 21.489204][ T3080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 21.499843][ T3080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 21.509057][ T3080] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.517819][ T3080] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.526572][ T3080] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.535384][ T3080] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2024/02/18 22:43:58 building call list... executing program [ 23.713786][ T3072] can: request_module (can-proto-0) failed. [ 23.725293][ T3072] can: request_module (can-proto-0) failed. [ 23.737380][ T3072] can: request_module (can-proto-0) failed. [ 23.888912][ T3072] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 23.994191][ T3072] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 24.934496][ T3080] syz-executor.0 (3080) used greatest stack depth: 10752 bytes left [ 24.945150][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.128176][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.206757][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.277233][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.346581][ T27] kauditd_printk_skb: 76 callbacks suppressed [ 27.346593][ T27] audit: type=1400 audit(1708296244.470:168): avc: denied { search } for pid=2813 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 [ 27.374022][ T27] audit: type=1400 audit(1708296244.470:169): avc: denied { read } for pid=2813 comm="dhcpcd" name="n25" dev="tmpfs" ino=397 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 27.395682][ T27] audit: type=1400 audit(1708296244.470:170): avc: denied { open } for pid=2813 comm="dhcpcd" path="/run/udev/data/n25" dev="tmpfs" ino=397 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 27.418668][ T27] audit: type=1400 audit(1708296244.470:171): avc: denied { getattr } for pid=2813 comm="dhcpcd" path="/run/udev/data/n25" dev="tmpfs" ino=397 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 27.441888][ T27] audit: type=1400 audit(1708296244.490:172): avc: denied { read } for pid=3176 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 [ 27.464780][ T27] audit: type=1400 audit(1708296244.490:173): avc: denied { open } for pid=3176 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 [ 27.489695][ T27] audit: type=1400 audit(1708296244.490:174): avc: denied { getattr } for pid=3176 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 [ 27.514885][ T27] audit: type=1400 audit(1708296244.530:175): avc: denied { write } for pid=3175 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 [ 27.537843][ T27] audit: type=1400 audit(1708296244.530:176): avc: denied { add_name } for pid=3175 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 [ 27.560184][ T27] audit: type=1400 audit(1708296244.530:177): avc: denied { create } for pid=3175 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 [ 27.995956][ T11] hsr_slave_0: left promiscuous mode [ 28.001789][ T11] hsr_slave_1: left promiscuous mode [ 28.007646][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 28.015050][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 28.022888][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 28.030367][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 28.038243][ T11] bridge_slave_1: left allmulticast mode [ 28.043941][ T11] bridge_slave_1: left promiscuous mode [ 28.049671][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.057795][ T11] bridge_slave_0: left allmulticast mode [ 28.063510][ T11] bridge_slave_0: left promiscuous mode [ 28.069200][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.079363][ T11] veth1_macvtap: left promiscuous mode [ 28.084923][ T11] veth0_macvtap: left promiscuous mode [ 28.090444][ T11] veth1_vlan: left promiscuous mode [ 28.095665][ T11] veth0_vlan: left promiscuous mode [ 28.163215][ T11] team0 (unregistering): Port device team_slave_1 removed [ 28.172113][ T11] team0 (unregistering): Port device team_slave_0 removed [ 28.182232][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 28.193538][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 28.217656][ T11] bond0 (unregistering): Released all slaves [ 36.129605][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 36.129615][ T27] audit: type=1400 audit(1708296253.250:182): avc: denied { remove_name } for pid=2757 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 [ 36.158158][ T27] audit: type=1400 audit(1708296253.250:183): avc: denied { rename } for pid=2757 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 [ 36.180338][ T27] audit: type=1400 audit(1708296253.250:184): avc: denied { create } for pid=2757 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 48.484307][ T0] ================================================================== [ 48.492399][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_next_event [ 48.500993][ T0] [ 48.503301][ T0] write to 0xffffffff8611edf0 of 4 bytes by task 0 on cpu 0: [ 48.510640][ T0] tick_nohz_idle_stop_tick+0x1d8/0x760 [ 48.516168][ T0] do_idle+0x177/0x230 [ 48.520217][ T0] cpu_startup_entry+0x24/0x30 [ 48.524959][ T0] rest_init+0xf3/0x100 [ 48.529106][ T0] arch_call_rest_init+0x9/0x10 [ 48.533939][ T0] start_kernel+0x57d/0x5e0 [ 48.538423][ T0] x86_64_start_reservations+0x2a/0x30 [ 48.543860][ T0] x86_64_start_kernel+0x94/0xa0 [ 48.548777][ T0] secondary_startup_64_no_verify+0x15f/0x16b [ 48.554822][ T0] [ 48.557122][ T0] read to 0xffffffff8611edf0 of 4 bytes by task 0 on cpu 1: [ 48.564375][ T0] tick_nohz_next_event+0x1f1/0x2d0 [ 48.569554][ T0] tick_nohz_get_sleep_length+0x134/0x2c0 [ 48.575254][ T0] menu_select+0x81a/0x1060 [ 48.579736][ T0] cpuidle_select+0x41/0x50 [ 48.584214][ T0] do_idle+0x160/0x230 [ 48.588261][ T0] cpu_startup_entry+0x24/0x30 [ 48.593003][ T0] start_secondary+0x82/0x90 [ 48.597564][ T0] secondary_startup_64_no_verify+0x15f/0x16b [ 48.603604][ T0] [ 48.605901][ T0] value changed: 0x00000000 -> 0xffffffff [ 48.611598][ T0] [ 48.613897][ T0] Reported by Kernel Concurrency Sanitizer on: [ 48.620018][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-rc5-syzkaller #0 [ 48.627882][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 48.637910][ T0] ==================================================================