[ 15.990869][ T27] audit: type=1400 audit(1707065318.047:81): avc: denied { read } for pid=2758 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 '10.128.0.40' (ED25519) to the list of known hosts. 2024/02/04 16:48:42 fuzzer started 2024/02/04 16:48:42 dialing manager at 10.128.0.163:30015 2024/02/04 16:48:42 checking machine... 2024/02/04 16:48:42 checking revisions... [ 20.074461][ T27] audit: type=1400 audit(1707065322.127:82): avc: denied { node_bind } for pid=3067 comm="syz-fuzzer" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 20.095030][ T27] audit: type=1400 audit(1707065322.137:83): avc: denied { name_bind } for pid=3067 comm="syz-fuzzer" src=6060 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1 2024/02/04 16:48:42 testing simple program... [ 20.165300][ T27] audit: type=1400 audit(1707065322.227:84): avc: denied { getattr } for pid=3067 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 [ 20.184442][ T3075] cgroup: Unknown subsys name 'net' [ 20.188785][ T27] audit: type=1400 audit(1707065322.227:85): avc: denied { read } for pid=3067 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 20.214760][ T27] audit: type=1400 audit(1707065322.227:86): avc: denied { open } for pid=3067 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 [ 20.237851][ T27] audit: type=1400 audit(1707065322.237:87): 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 [ 20.260499][ T27] audit: type=1400 audit(1707065322.237:88): 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 [ 20.282670][ T27] audit: type=1400 audit(1707065322.257:89): 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 [ 20.415106][ T3075] cgroup: Unknown subsys name 'rlimit' [ 20.535295][ T27] audit: type=1400 audit(1707065322.597:90): 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 [ 20.560102][ T27] audit: type=1400 audit(1707065322.597:91): 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 [ 20.588838][ T3077] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 20.636399][ T3075] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 20.788229][ T3080] chnl_net:caif_netlink_parms(): no params data found [ 20.819384][ T3080] bridge0: port 1(bridge_slave_0) entered blocking state [ 20.826503][ T3080] bridge0: port 1(bridge_slave_0) entered disabled state [ 20.833647][ T3080] bridge_slave_0: entered allmulticast mode [ 20.840043][ T3080] bridge_slave_0: entered promiscuous mode [ 20.846546][ T3080] bridge0: port 2(bridge_slave_1) entered blocking state [ 20.853587][ T3080] bridge0: port 2(bridge_slave_1) entered disabled state [ 20.860734][ T3080] bridge_slave_1: entered allmulticast mode [ 20.866874][ T3080] bridge_slave_1: entered promiscuous mode [ 20.881157][ T3080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 20.891276][ T3080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 20.908862][ T3080] team0: Port device team_slave_0 added [ 20.915132][ T3080] team0: Port device team_slave_1 added [ 20.927894][ T3080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 20.934980][ 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. [ 20.960864][ T3080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 20.971898][ T3080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 20.978840][ 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. [ 21.004820][ T3080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 21.026827][ T3080] hsr_slave_0: entered promiscuous mode [ 21.032709][ T3080] hsr_slave_1: entered promiscuous mode [ 21.086997][ T3080] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 21.095075][ T3080] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 21.103270][ T3080] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 21.111604][ T3080] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 21.124441][ T3080] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.131466][ T3080] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.138711][ T3080] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.145747][ T3080] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.172797][ T3080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.183273][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 21.191349][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.202030][ T3080] 8021q: adding VLAN 0 to HW filter on device team0 [ 21.211400][ T28] bridge0: port 1(bridge_slave_0) entered blocking state [ 21.218524][ T28] bridge0: port 1(bridge_slave_0) entered forwarding state [ 21.227789][ T3098] bridge0: port 2(bridge_slave_1) entered blocking state [ 21.234845][ T3098] bridge0: port 2(bridge_slave_1) entered forwarding state [ 21.252413][ T3080] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 21.262857][ T3080] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 21.309420][ T3080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 21.362669][ T3080] veth0_vlan: entered promiscuous mode [ 21.372278][ T3080] veth1_vlan: entered promiscuous mode [ 21.386602][ T3080] veth0_macvtap: entered promiscuous mode [ 21.393567][ T3080] veth1_macvtap: entered promiscuous mode [ 21.404431][ T3080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 21.415403][ T3080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 21.423650][ T3080] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.432446][ T3080] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.441179][ T3080] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 21.449947][ T3080] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2024/02/04 16:48:43 building call list... executing program [ 23.651836][ T3070] can: request_module (can-proto-0) failed. [ 23.663662][ T3070] can: request_module (can-proto-0) failed. [ 23.675983][ T3070] can: request_module (can-proto-0) failed. [ 23.829108][ T3070] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 23.935577][ T3070] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 24.904073][ T3080] syz-executor.0 (3080) used greatest stack depth: 10888 bytes left [ 24.914734][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.116641][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.166395][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.227016][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 27.301462][ T27] kauditd_printk_skb: 76 callbacks suppressed [ 27.301475][ T27] audit: type=1400 audit(1707065329.357:168): avc: denied { search } for pid=2814 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 [ 27.328827][ T27] audit: type=1400 audit(1707065329.357:169): avc: denied { read } for pid=2814 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 [ 27.350486][ T27] audit: type=1400 audit(1707065329.357:170): avc: denied { open } for pid=2814 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 [ 27.373340][ T27] audit: type=1400 audit(1707065329.357:171): avc: denied { getattr } for pid=2814 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 [ 27.396725][ T27] audit: type=1400 audit(1707065329.367:172): avc: denied { read } for pid=3175 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=343 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 27.420291][ T27] audit: type=1400 audit(1707065329.367:173): avc: denied { open } for pid=3175 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=343 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 27.445211][ T27] audit: type=1400 audit(1707065329.367:174): avc: denied { getattr } for pid=3175 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=343 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 27.470372][ T27] audit: type=1400 audit(1707065329.417:175): avc: denied { write } for pid=3174 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=342 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 27.493310][ T27] audit: type=1400 audit(1707065329.417:176): avc: denied { add_name } for pid=3174 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 [ 27.515659][ T27] audit: type=1400 audit(1707065329.417:177): avc: denied { create } for pid=3174 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 [ 27.995981][ T11] hsr_slave_0: left promiscuous mode [ 28.002271][ T11] hsr_slave_1: left promiscuous mode [ 28.008231][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 28.015646][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 28.023428][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 28.030911][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 28.038666][ T11] bridge_slave_1: left allmulticast mode [ 28.044304][ T11] bridge_slave_1: left promiscuous mode [ 28.049922][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.057770][ T11] bridge_slave_0: left allmulticast mode [ 28.063391][ T11] bridge_slave_0: left promiscuous mode [ 28.069024][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.078230][ T11] veth1_macvtap: left promiscuous mode [ 28.083753][ T11] veth0_macvtap: left promiscuous mode [ 28.089287][ T11] veth1_vlan: left promiscuous mode [ 28.094516][ T11] veth0_vlan: left promiscuous mode [ 28.161920][ T11] team0 (unregistering): Port device team_slave_1 removed [ 28.171329][ T11] team0 (unregistering): Port device team_slave_0 removed [ 28.180299][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 28.190957][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 28.216027][ T11] bond0 (unregistering): Released all slaves [ 30.633870][ C1] ================================================================== [ 30.641951][ C1] BUG: KCSAN: data-race in tick_nohz_highres_handler / tick_nohz_idle_stop_tick [ 30.650980][ C1] [ 30.653279][ C1] write to 0xffffffff8611ecb0 of 4 bytes by task 0 on cpu 0: [ 30.660618][ C1] tick_nohz_idle_stop_tick+0x1d8/0x760 [ 30.666142][ C1] do_idle+0x177/0x230 [ 30.670187][ C1] cpu_startup_entry+0x24/0x30 [ 30.674926][ C1] rest_init+0xf3/0x100 [ 30.679059][ C1] arch_call_rest_init+0x9/0x10 [ 30.683888][ C1] start_kernel+0x57d/0x5e0 [ 30.688367][ C1] x86_64_start_reservations+0x2a/0x30 [ 30.693805][ C1] x86_64_start_kernel+0x94/0xa0 [ 30.698720][ C1] secondary_startup_64_no_verify+0x15f/0x16b [ 30.704764][ C1] [ 30.707061][ C1] read to 0xffffffff8611ecb0 of 4 bytes by interrupt on cpu 1: [ 30.714574][ C1] tick_nohz_highres_handler+0x3d/0x2c0 [ 30.720104][ C1] __hrtimer_run_queues+0x217/0x710 [ 30.725306][ C1] hrtimer_interrupt+0x20d/0x7b0 [ 30.730225][ C1] __sysvec_apic_timer_interrupt+0x52/0x190 [ 30.736095][ C1] sysvec_apic_timer_interrupt+0x6a/0x80 [ 30.741705][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 30.747657][ C1] acpi_safe_halt+0x20/0x30 [ 30.752135][ C1] acpi_idle_do_entry+0x19/0x30 [ 30.756965][ C1] acpi_idle_enter+0x96/0xb0 [ 30.761531][ C1] cpuidle_enter_state+0xd1/0x270 [ 30.766534][ C1] cpuidle_enter+0x40/0x60 [ 30.771020][ C1] do_idle+0x194/0x230 [ 30.775066][ C1] cpu_startup_entry+0x24/0x30 [ 30.779805][ C1] start_secondary+0x82/0x90 [ 30.784366][ C1] secondary_startup_64_no_verify+0x15f/0x16b [ 30.790408][ C1] [ 30.792705][ C1] value changed: 0x00000000 -> 0xffffffff [ 30.798392][ C1] [ 30.800686][ C1] Reported by Kernel Concurrency Sanitizer on: [ 30.806804][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-rc3-syzkaller #0 [ 30.814665][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 30.824691][ C1] ==================================================================