[ 39.127835][ T26] audit: type=1800 audit(1572728996.683:24): pid=7168 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2487 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 39.623708][ T26] audit: type=1800 audit(1572728997.273:25): pid=7168 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2447 res=0 [ 39.643497][ T26] audit: type=1800 audit(1572728997.273:26): pid=7168 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. 2019/11/02 21:10:06 fuzzer started 2019/11/02 21:10:08 dialing manager at 10.128.0.105:46001 2019/11/02 21:10:08 syscalls: 2554 2019/11/02 21:10:08 code coverage: enabled 2019/11/02 21:10:08 comparison tracing: enabled 2019/11/02 21:10:08 extra coverage: extra coverage is not supported by the kernel 2019/11/02 21:10:08 setuid sandbox: enabled 2019/11/02 21:10:08 namespace sandbox: enabled 2019/11/02 21:10:08 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/02 21:10:08 fault injection: enabled 2019/11/02 21:10:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/02 21:10:08 net packet injection: enabled 2019/11/02 21:10:08 net device setup: enabled 2019/11/02 21:10:08 concurrency sanitizer: enabled syzkaller login: [ 52.478049][ T7336] KCSAN: could not find function: 'poll_schedule_timeout' 2019/11/02 21:10:12 adding functions to KCSAN blacklist: 'rcu_gp_fqs_check_wake' 'tcp_add_backlog' 'poll_schedule_timeout' '__nf_conntrack_find_get' 'find_next_bit' 'task_dump_owner' 'mod_timer' 'pipe_poll' 'tomoyo_supervisor' 'pcpu_alloc' '__hrtimer_run_queues' '__tcp_select_window' 'ep_poll' 'tcp_poll' 'vm_area_dup' 'taskstats_exit' 21:10:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x802, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000000), 0x20a154cc) [ 58.864491][ T7338] IPVS: ftp: loaded support on port[0] = 21 21:10:16 executing program 1: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x4, 0x4, 0x4, 0xd}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f0000000080), &(0x7f00000000c0)}, 0x20) [ 58.960054][ T7338] chnl_net:caif_netlink_parms(): no params data found [ 59.031443][ T7338] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.038745][ T7338] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.048072][ T7338] device bridge_slave_0 entered promiscuous mode [ 59.056213][ T7338] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.065153][ T7338] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.073725][ T7338] device bridge_slave_1 entered promiscuous mode [ 59.096887][ T7338] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.113528][ T7338] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.166328][ T7338] team0: Port device team_slave_0 added [ 59.184482][ T7338] team0: Port device team_slave_1 added [ 59.197700][ T7341] IPVS: ftp: loaded support on port[0] = 21 [ 59.254683][ T7338] device hsr_slave_0 entered promiscuous mode 21:10:16 executing program 2: r0 = gettid() r1 = epoll_create1(0x0) fcntl$lock(r1, 0x6, &(0x7f0000000000)) fcntl$lock(r1, 0x26, &(0x7f0000000200)={0x1}) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000044000)) uname(&(0x7f00000000c0)=""/13) timer_settime(0x0, 0x0, &(0x7f0000000300)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) tkill(r0, 0x14) [ 59.302175][ T7338] device hsr_slave_1 entered promiscuous mode [ 59.564311][ T7338] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.571699][ T7338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.579213][ T7338] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.587048][ T7338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.775730][ T7341] chnl_net:caif_netlink_parms(): no params data found [ 59.835554][ T7365] IPVS: ftp: loaded support on port[0] = 21 [ 59.887581][ T7338] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.941432][ T7338] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.969234][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.979234][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.014073][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.045229][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.083475][ T7341] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.090671][ T7341] bridge0: port 1(bridge_slave_0) entered disabled state 21:10:17 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x72dd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x5, 0x0) bind$inet6(r0, &(0x7f00000006c0), 0x1c) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000540)={0x0, 0xffffffffffffff76, "7a3ac21c9eb09d00e5f704ecf4d91970bbeb161830d27c0c3a0fa4683375d40209e93478e62bc942c0cef67c3c31e7909af1aaf16e59920d46319fe36dbee01ce5eabea15ac5c2335fea456ae0462f483313f46b453fdcca648763dc67ea996629593b36ae36dcad0f352ab58266a366bb7e5587600a94633601bf5206cdfbab3db974c54dc984a92b72e12ed075bebc3cba58e520da5f72aea04aecea92089057057e88dee1c7c9"}, &(0x7f0000000140)=0xffc2) [ 60.132741][ T7341] device bridge_slave_0 entered promiscuous mode [ 60.174665][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.202950][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.242136][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.249466][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.314306][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.353968][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.394010][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.401143][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.443011][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.474585][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.503468][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.534195][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.566350][ T7341] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.601783][ T7341] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.609865][ T7341] device bridge_slave_1 entered promiscuous mode [ 60.697455][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.754908][ T7341] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.758420][ T7373] IPVS: ftp: loaded support on port[0] = 21 [ 60.793882][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.814117][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.843175][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.873872][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.902891][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.933929][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.964435][ T7341] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 21:10:18 executing program 4: creat(0x0, 0x0) write$binfmt_script(0xffffffffffffffff, 0x0, 0x0) prctl$PR_SET_PTRACER(0x59616d61, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket(0xa, 0x2, 0x0) r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000300)={0x100000011, @multicast2, 0x0, 0x0, 'lblc\x00'}, 0x2c) setsockopt$IP_VS_SO_SET_FLUSH(r0, 0x15000000000000, 0x485, 0x6, 0x0) [ 61.096381][ T7341] team0: Port device team_slave_0 added [ 61.160673][ T7341] team0: Port device team_slave_1 added [ 61.183902][ T7338] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.305418][ T7365] chnl_net:caif_netlink_parms(): no params data found [ 61.404785][ T7341] device hsr_slave_0 entered promiscuous mode [ 61.452187][ T7341] device hsr_slave_1 entered promiscuous mode [ 61.481732][ T7341] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.749695][ T7380] IPVS: ftp: loaded support on port[0] = 21 [ 61.763989][ T7365] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.781742][ T7365] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.789831][ T7365] device bridge_slave_0 entered promiscuous mode [ 61.887799][ T7365] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.895209][ T7365] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.915827][ T7365] device bridge_slave_1 entered promiscuous mode 21:10:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x802, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000000), 0x20a154cc) [ 61.998182][ T7373] chnl_net:caif_netlink_parms(): no params data found [ 62.124497][ T7365] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.153873][ T7365] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.219086][ T7341] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.307903][ T7341] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.355934][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.373468][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.411128][ T7365] team0: Port device team_slave_0 added 21:10:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x802, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000000), 0x20a154cc) [ 62.460088][ T7373] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.542150][ T7373] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.581882][ T7373] device bridge_slave_0 entered promiscuous mode 21:10:20 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x802, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000000), 0x20a154cc) [ 62.616232][ T7365] team0: Port device team_slave_1 added [ 62.626279][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.646187][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.689555][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.697121][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.734731][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.772658][ T7373] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.787337][ T7373] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.826450][ T7373] device bridge_slave_1 entered promiscuous mode 21:10:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x802, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x19, &(0x7f0000000000), 0x20a154cc) [ 63.011451][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.030164][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.105197][ T3006] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.112355][ T3006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.164535][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.213365][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.266177][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.286512][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.313199][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.352589][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.385898][ T3006] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.468073][ T7365] device hsr_slave_0 entered promiscuous mode [ 63.512152][ T7365] device hsr_slave_1 entered promiscuous mode [ 63.552259][ T7365] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.615411][ T7428] IPVS: ftp: loaded support on port[0] = 21 [ 63.626869][ T7380] chnl_net:caif_netlink_parms(): no params data found [ 63.657166][ T7373] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.692119][ T7370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready 21:10:21 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000940)='tmpfs\x00', 0x0, 0x0) chdir(&(0x7f0000000300)='./file0\x00') mknod$loop(&(0x7f0000000100)='./file0\x00', 0x6000, 0x1) [ 63.701141][ T7370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.767192][ T7341] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.821985][ T7341] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.876308][ T7373] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.914622][ T7370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.946438][ T7370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 21:10:21 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000940)='tmpfs\x00', 0x0, 0x0) chdir(&(0x7f0000000300)='./file0\x00') mknod$loop(&(0x7f0000000100)='./file0\x00', 0x6000, 0x1) [ 64.027925][ T7341] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.250526][ T7373] team0: Port device team_slave_0 added [ 64.295410][ T7373] team0: Port device team_slave_1 added [ 64.339920][ T7380] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.367834][ T7380] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.444750][ T7380] device bridge_slave_0 entered promiscuous mode [ 64.521500][ T7380] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.575485][ T7380] bridge0: port 2(bridge_slave_1) entered disabled state 21:10:22 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000940)='tmpfs\x00', 0x0, 0x0) chdir(&(0x7f0000000300)='./file0\x00') mknod$loop(&(0x7f0000000100)='./file0\x00', 0x6000, 0x1) [ 64.622821][ T7380] device bridge_slave_1 entered promiscuous mode [ 64.798100][ T7373] device hsr_slave_0 entered promiscuous mode [ 64.892284][ T7373] device hsr_slave_1 entered promiscuous mode [ 64.924007][ T7373] debugfs: Directory 'hsr0' with parent '/' already present! 21:10:22 executing program 0: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000940)='tmpfs\x00', 0x0, 0x0) chdir(&(0x7f0000000300)='./file0\x00') mknod$loop(&(0x7f0000000100)='./file0\x00', 0x6000, 0x1) 21:10:22 executing program 1: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x4, 0x4, 0x4, 0xd}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f0000000080), &(0x7f00000000c0)}, 0x20) [ 65.065649][ T7365] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.128268][ T7380] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.190948][ T7380] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.282400][ T7365] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.368646][ T7360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.402541][ T7360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.456302][ T7428] chnl_net:caif_netlink_parms(): no params data found [ 65.518725][ T7380] team0: Port device team_slave_0 added [ 65.566213][ T7380] team0: Port device team_slave_1 added [ 65.782915][ T7350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.802599][ T7350] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.867362][ T7350] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.874491][ T7350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.921065][ T7498] ================================================================== [ 65.929207][ T7498] BUG: KCSAN: data-race in generic_permission / pid_update_inode [ 65.938300][ T7498] [ 65.940630][ T7498] write to 0xffff88812a783048 of 2 bytes by task 7501 on cpu 1: [ 65.948268][ T7498] pid_update_inode+0x51/0x70 [ 65.952943][ T7498] pid_revalidate+0x91/0xd0 [ 65.957446][ T7498] lookup_fast+0x6f2/0x700 [ 65.961887][ T7498] walk_component+0x6d/0xe80 [ 65.966496][ T7498] path_lookupat.isra.0+0x13a/0x5a0 [ 65.971699][ T7498] filename_lookup+0x145/0x2b0 [ 65.972563][ T7350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.976474][ T7498] user_path_at_empty+0x4c/0x70 [ 65.989422][ T7498] vfs_statx+0xd9/0x190 [ 65.993579][ T7498] __do_sys_newstat+0x51/0xb0 [ 65.998259][ T7498] __x64_sys_newstat+0x3a/0x50 [ 66.003022][ T7498] do_syscall_64+0xcc/0x370 [ 66.007544][ T7498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.013436][ T7498] [ 66.015769][ T7498] read to 0xffff88812a783048 of 2 bytes by task 7498 on cpu 0: [ 66.023318][ T7498] generic_permission+0x36/0x3d0 [ 66.028251][ T7498] proc_pid_permission+0xea/0x1c0 [ 66.033268][ T7498] inode_permission+0x241/0x3c0 [ 66.038110][ T7498] link_path_walk.part.0+0x622/0xa90 [ 66.042569][ T7350] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.043432][ T7498] path_openat+0x14f/0x36e0 [ 66.055962][ T7498] do_filp_open+0x11e/0x1b0 [ 66.060458][ T7498] do_sys_open+0x3b3/0x4f0 [ 66.064871][ T7498] __x64_sys_open+0x55/0x70 [ 66.069368][ T7498] do_syscall_64+0xcc/0x370 [ 66.073872][ T7498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.079748][ T7498] [ 66.082061][ T7498] Reported by Kernel Concurrency Sanitizer on: [ 66.088209][ T7498] CPU: 0 PID: 7498 Comm: ps Not tainted 5.4.0-rc3+ #0 [ 66.092085][ T7350] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.095049][ T7498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.102150][ T7350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.112209][ T7498] ================================================================== [ 66.112217][ T7498] Kernel panic - not syncing: panic_on_warn set ... [ 66.112233][ T7498] CPU: 0 PID: 7498 Comm: ps Not tainted 5.4.0-rc3+ #0 [ 66.112240][ T7498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.112300][ T7498] Call Trace: [ 66.154418][ T7498] dump_stack+0xf5/0x159 [ 66.158662][ T7498] panic+0x210/0x640 [ 66.162565][ T7498] ? do_syscall_64+0xcc/0x370 [ 66.167258][ T7498] ? vprintk_func+0x8d/0x140 [ 66.171859][ T7498] kcsan_report.cold+0xc/0x10 [ 66.176542][ T7498] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 66.182217][ T7498] __tsan_read2+0x2c/0x30 [ 66.186543][ T7498] generic_permission+0x36/0x3d0 [ 66.191478][ T7498] proc_pid_permission+0xea/0x1c0 [ 66.196500][ T7498] ? comm_show+0xb0/0xb0 [ 66.200743][ T7498] inode_permission+0x241/0x3c0 [ 66.202636][ T7350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.205605][ T7498] link_path_walk.part.0+0x622/0xa90 [ 66.218751][ T7498] path_openat+0x14f/0x36e0 [ 66.223266][ T7498] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 66.229070][ T7498] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 66.234710][ T7498] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 66.240340][ T7498] ? __tsan_write4+0x32/0x40 [ 66.244932][ T7498] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 66.250583][ T7498] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 66.253119][ T7350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.256502][ T7498] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 66.270000][ T7498] do_filp_open+0x11e/0x1b0 [ 66.274507][ T7498] ? __alloc_fd+0x316/0x4c0 [ 66.279014][ T7498] do_sys_open+0x3b3/0x4f0 [ 66.283436][ T7498] __x64_sys_open+0x55/0x70 [ 66.287934][ T7498] do_syscall_64+0xcc/0x370 [ 66.292442][ T7498] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.298336][ T7498] RIP: 0033:0x7f291f24f120 [ 66.302747][ T7498] Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 [ 66.313190][ T7350] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.322344][ T7498] RSP: 002b:00007ffc9eb3b658 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 66.322358][ T7498] RAX: ffffffffffffffda RBX: 0000000000616760 RCX: 00007f291f24f120 [ 66.322366][ T7498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f291f71dd00 [ 66.322374][ T7498] RBP: 0000000000001000 R08: 0000000000000000 R09: 00007f291f517a10 [ 66.322382][ T7498] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f291f71cd00 [ 66.322393][ T7498] R13: 00000000009111c0 R14: 0000000000000005 R15: 0000000000000000 [ 66.331711][ T7498] Kernel Offset: disabled [ 66.384627][ T7498] Rebooting in 86400 seconds..