[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.416603][ T27] audit: type=1800 audit(1578461151.971:25): pid=8259 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.444800][ T27] audit: type=1800 audit(1578461151.971:26): pid=8259 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.504130][ T27] audit: type=1800 audit(1578461151.971:27): pid=8259 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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 '10.128.0.161' (ECDSA) to the list of known hosts. 2020/01/08 05:26:02 fuzzer started 2020/01/08 05:26:04 dialing manager at 10.128.0.26:35703 2020/01/08 05:26:04 syscalls: 2824 2020/01/08 05:26:04 code coverage: enabled 2020/01/08 05:26:04 comparison tracing: enabled 2020/01/08 05:26:04 extra coverage: enabled 2020/01/08 05:26:04 setuid sandbox: enabled 2020/01/08 05:26:04 namespace sandbox: enabled 2020/01/08 05:26:04 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:26:04 fault injection: enabled 2020/01/08 05:26:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:26:04 net packet injection: enabled 2020/01/08 05:26:04 net device setup: enabled 2020/01/08 05:26:04 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:26:04 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:26:05 executing program 0: r0 = bpf$MAP_CREATE(0x100000000000000, &(0x7f00000000c0)={0xe, 0x4, 0x4, 0x3, 0x0, 0x1, 0x0, [0x0, 0x0, 0x0, 0x0, 0x2000000]}, 0x3c) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$MAP_LOOKUP_ELEM(0x4, &(0x7f0000c88000)={r0, 0x0, &(0x7f000089b000)}, 0x20) 05:26:05 executing program 1: r0 = syz_init_net_socket$ax25(0x3, 0x5, 0x0) getsockopt$ax25_int(r0, 0x101, 0x19, &(0x7f0000001e40), &(0x7f0000001e80)=0x4) syzkaller login: [ 64.872339][ T8425] IPVS: ftp: loaded support on port[0] = 21 [ 64.993336][ T8425] chnl_net:caif_netlink_parms(): no params data found [ 65.036284][ T8425] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.043753][ T8425] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.052010][ T8425] device bridge_slave_0 entered promiscuous mode [ 65.063130][ T8425] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.070637][ T8425] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.079749][ T8425] device bridge_slave_1 entered promiscuous mode [ 65.112133][ T8425] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.125893][ T8425] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.147389][ T8428] IPVS: ftp: loaded support on port[0] = 21 05:26:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet(0x2b, 0x1, 0x0) r4 = dup(r3) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 65.165682][ T8425] team0: Port device team_slave_0 added [ 65.173985][ T8425] team0: Port device team_slave_1 added [ 65.258389][ T8425] device hsr_slave_0 entered promiscuous mode 05:26:05 executing program 3: unshare(0x400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_init_net_socket$x25(0x9, 0x5, 0x0) getsockopt$SO_TIMESTAMP(r2, 0x1, 0x40, 0x0, &(0x7f00000000c0)) [ 65.355042][ T8425] device hsr_slave_1 entered promiscuous mode [ 65.448184][ T8430] IPVS: ftp: loaded support on port[0] = 21 [ 65.631283][ T8428] chnl_net:caif_netlink_parms(): no params data found [ 65.648875][ T8433] IPVS: ftp: loaded support on port[0] = 21 05:26:06 executing program 4: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f0000000480)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 65.691503][ T8425] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.728624][ T8425] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.778359][ T8425] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.877654][ T8425] netdevsim netdevsim0 netdevsim3: renamed from eth3 05:26:06 executing program 5: r0 = perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 0x2005, 0x0, 0x0, 0x0, 0x0, 0x1, 0x8090, 0xf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, r0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, r0, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r2, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r2) r3 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r3, &(0x7f0000000040)={0x2, 0x4e23, @broadcast}, 0x10) ioctl$KVM_ENABLE_CAP(0xffffffffffffffff, 0x4068aea3, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) mremap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) sendto$inet(r3, 0x0, 0x10b, 0x200007fe, &(0x7f0000000100)={0x2, 0x10004e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) sendto$inet(r3, &(0x7f0000d7cfcb), 0xffffffffffffffef, 0x0, 0x0, 0x0) [ 65.934330][ T8435] IPVS: ftp: loaded support on port[0] = 21 [ 65.964310][ T8428] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.975989][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.986990][ T8428] device bridge_slave_0 entered promiscuous mode [ 66.029473][ T8428] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.037533][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.046542][ T8428] device bridge_slave_1 entered promiscuous mode [ 66.093510][ T8428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.103772][ T8430] chnl_net:caif_netlink_parms(): no params data found [ 66.133567][ T8428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.167758][ T8438] IPVS: ftp: loaded support on port[0] = 21 [ 66.186907][ T8428] team0: Port device team_slave_0 added [ 66.194132][ T8428] team0: Port device team_slave_1 added [ 66.217821][ T8430] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.225216][ T8430] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.232792][ T8430] device bridge_slave_0 entered promiscuous mode [ 66.264643][ T8430] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.271771][ T8430] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.279768][ T8430] device bridge_slave_1 entered promiscuous mode [ 66.346189][ T8428] device hsr_slave_0 entered promiscuous mode [ 66.395294][ T8428] device hsr_slave_1 entered promiscuous mode [ 66.434734][ T8428] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.442474][ T8428] Cannot create hsr debugfs directory [ 66.509828][ T8435] chnl_net:caif_netlink_parms(): no params data found [ 66.527011][ T8430] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.541051][ T8433] chnl_net:caif_netlink_parms(): no params data found [ 66.569386][ T8430] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.625224][ T8430] team0: Port device team_slave_0 added [ 66.641332][ T8435] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.648706][ T8435] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.656650][ T8435] device bridge_slave_0 entered promiscuous mode [ 66.666467][ T8435] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.673530][ T8435] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.681230][ T8435] device bridge_slave_1 entered promiscuous mode [ 66.689891][ T8430] team0: Port device team_slave_1 added [ 66.696418][ T8433] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.703436][ T8433] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.711664][ T8433] device bridge_slave_0 entered promiscuous mode [ 66.725443][ T8433] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.732553][ T8433] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.740251][ T8433] device bridge_slave_1 entered promiscuous mode [ 66.768482][ T8435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.779395][ T8435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.817266][ T8433] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.857142][ T8430] device hsr_slave_0 entered promiscuous mode [ 66.905072][ T8430] device hsr_slave_1 entered promiscuous mode [ 66.934706][ T8430] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.942294][ T8430] Cannot create hsr debugfs directory [ 66.962644][ T8433] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.991069][ T8435] team0: Port device team_slave_0 added [ 67.002661][ T8425] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.032508][ T8435] team0: Port device team_slave_1 added [ 67.059411][ T8428] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.119651][ T8425] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.138178][ T8433] team0: Port device team_slave_0 added [ 67.167138][ T8435] device hsr_slave_0 entered promiscuous mode [ 67.205024][ T8435] device hsr_slave_1 entered promiscuous mode [ 67.264861][ T8435] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.272457][ T8435] Cannot create hsr debugfs directory [ 67.283464][ T8428] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.327049][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.336069][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.348796][ T8433] team0: Port device team_slave_1 added [ 67.377510][ T8428] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.427198][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.435963][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.444245][ T2813] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.451418][ T2813] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.459905][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.468290][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 67.494972][ T8428] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.541977][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.550604][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.559604][ T3175] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.566726][ T3175] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.574410][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.639078][ T8433] device hsr_slave_0 entered promiscuous mode [ 67.694981][ T8433] device hsr_slave_1 entered promiscuous mode [ 67.734673][ T8433] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.742336][ T8433] Cannot create hsr debugfs directory [ 67.776830][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.785766][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.794118][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.821197][ T8425] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.832567][ T8425] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.874326][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.882753][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.891704][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.899961][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.908659][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.917813][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.928294][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.936421][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.953860][ T8430] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.008836][ T8430] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.050063][ T8430] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.138755][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.147860][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.155981][ T8438] device bridge_slave_0 entered promiscuous mode [ 68.162985][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.170866][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.178491][ T8430] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.259892][ T8425] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.272991][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.280488][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.290452][ T8438] device bridge_slave_1 entered promiscuous mode [ 68.318737][ T8435] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.369085][ T8435] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.446677][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.467230][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.489014][ T8435] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.578242][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.591100][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.599989][ T8435] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.701096][ T8433] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.759067][ T8433] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.806770][ T8433] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.848025][ T8438] team0: Port device team_slave_0 added [ 68.853801][ T8433] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.910164][ T8428] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.918205][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.926897][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.935840][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.943561][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.963242][ T8438] team0: Port device team_slave_1 added [ 69.026821][ T8438] device hsr_slave_0 entered promiscuous mode [ 69.065223][ T8438] device hsr_slave_1 entered promiscuous mode [ 69.104734][ T8438] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.114389][ T8438] Cannot create hsr debugfs directory [ 69.136947][ T8425] device veth0_vlan entered promiscuous mode [ 69.157892][ T8430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.169339][ T8428] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.178757][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.187225][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.225924][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.237477][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.246206][ T2799] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.253263][ T2799] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.261296][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.311675][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.327527][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.335675][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.344112][ T2870] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.353363][ T2870] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.360462][ T2870] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.372385][ T8430] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.385156][ T8438] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.440406][ T8438] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.502261][ T3175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.514160][ T8425] device veth1_vlan entered promiscuous mode [ 69.527190][ T8438] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.562785][ T8435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.579849][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.588598][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.597940][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.607136][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.616365][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.635651][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.643364][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.652501][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.662256][ T2813] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.669379][ T2813] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.685490][ T8438] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.715839][ T8435] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.728157][ T8433] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.735858][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.743700][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.752580][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.760917][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.768972][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.776709][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.785074][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.793127][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.801931][ T2852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.810475][ T2852] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.817808][ T2852] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.848381][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.882247][ T8433] 8021q: adding VLAN 0 to HW filter on device team0 [ 174.884508][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.891312][ C0] rcu: 0-...!: (10499 ticks this GP) idle=e4e/1/0x4000000000000002 softirq=12195/12195 fqs=1 [ 174.901790][ C0] (t=10501 jiffies g=6769 q=145) [ 174.906818][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6769 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.917900][ C0] rcu: RCU grace-period kthread stack dump: [ 174.923773][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 174.932440][ C0] Call Trace: [ 174.935736][ C0] __schedule+0x9a0/0xcc0 [ 174.940153][ C0] schedule+0x181/0x210 [ 174.944301][ C0] schedule_timeout+0x14f/0x240 [ 174.949147][ C0] ? run_local_timers+0x120/0x120 [ 174.954166][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.958928][ C0] kthread+0x332/0x350 [ 174.962984][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.968083][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.972663][ C0] ret_from_fork+0x24/0x30 [ 174.977222][ C0] NMI backtrace for cpu 0 [ 174.981590][ C0] CPU: 0 PID: 8395 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 174.989479][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.999541][ C0] Call Trace: [ 175.002818][ C0] [ 175.005683][ C0] dump_stack+0x1fb/0x318 [ 175.010205][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.015059][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.021211][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.027277][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.033256][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.039138][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.044264][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.049455][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.054472][ C0] update_process_times+0x12d/0x180 [ 175.059662][ C0] tick_sched_timer+0x263/0x420 [ 175.064503][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.070037][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.075240][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.080183][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.085462][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.090996][ C0] apic_timer_interrupt+0xf/0x20 [ 175.095923][ C0] [ 175.098850][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 175.104555][ C0] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 175.124147][ C0] RSP: 0018:ffffc90001d67728 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.132543][ C0] RAX: 1ffff11013f4cfa1 RBX: ffff88809fa67d08 RCX: 0000000000000000 [ 175.140501][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024df140 [ 175.148460][ C0] RBP: ffffc90001d67760 R08: dffffc0000000000 R09: fffffbfff124248a [ 175.156421][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a2c249a0 [ 175.164380][ C0] R13: dffffc0000000000 R14: 1ffff11014584934 R15: ffff88809db8d3f8 [ 175.172357][ C0] ? free_thread_stack+0x12e/0x590 [ 175.177459][ C0] put_task_stack+0xa3/0x130 [ 175.182040][ C0] finish_task_switch+0x3f1/0x550 [ 175.187059][ C0] __schedule+0x9a8/0xcc0 [ 175.191390][ C0] preempt_schedule_irq+0xc1/0x140 [ 175.196488][ C0] retint_kernel+0x1b/0x2b [ 175.200999][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xd/0x90 [ 175.207745][ C0] Code: 14 02 4d 89 44 f2 18 49 ff c1 4d 89 0a c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 <65> 8b 0d 98 5b 8b 7e f7 c1 00 01 1f 00 75 64 8b 88 80 13 00 00 83 [ 175.227348][ C0] RSP: 0018:ffffc90001d67978 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02 [ 175.235761][ C0] RAX: ffff88808edf65c0 RBX: 00000000000034e6 RCX: ffff88808edf65c0 [ 175.243718][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 175.251677][ C0] RBP: ffffc90001d67998 R08: ffffffff8167648e R09: fffffbfff140cf2e [ 175.259648][ C0] R10: fffffbfff140cf2e R11: 0000000000000000 R12: dffffc0000000000 [ 175.267605][ C0] R13: dffffc0000000000 R14: 0000000000000286 R15: dffffc0000000000 [ 175.275575][ C0] ? read_seqcount_begin+0x16e/0x1c0 [ 175.280851][ C0] ? read_seqcount_begin+0x16e/0x1c0 [ 175.286125][ C0] ktime_get_coarse_real_ts64+0x4a/0xc0 [ 175.291665][ C0] current_time+0x3c/0x260 [ 175.296065][ C0] ? inode_init_owner+0xe8/0x370 [ 175.301012][ C0] shmem_get_inode+0x184/0x6e0 [ 175.305773][ C0] shmem_mknod+0x5c/0x1c0 [ 175.310095][ C0] shmem_create+0x2b/0x40 [ 175.314410][ C0] ? shmem_getattr+0x510/0x510 [ 175.319166][ C0] path_openat+0x21d2/0x4240 [ 175.323785][ C0] do_filp_open+0x192/0x3d0 [ 175.328301][ C0] do_sys_open+0x29f/0x560 [ 175.332714][ C0] __x64_sys_open+0x87/0x90 [ 175.337215][ C0] do_syscall_64+0xf7/0x1c0 [ 175.341710][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.347590][ C0] RIP: 0033:0x7fa23c7d4120 [ 175.352009][ C0] 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 [ 175.371600][ C0] RSP: 002b:00007ffce4b90cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 175.380004][ C0] RAX: ffffffffffffffda RBX: 0000000000aa3d50 RCX: 00007fa23c7d4120 [ 175.388916][ C0] RDX: 00000000000001b6 RSI: 0000000000080241 RDI: 00007ffce4b911c0 [ 175.396875][ C0] RBP: 00007ffce4b90d50 R08: 0000000000000004 R09: 0000000000000001 [ 175.404834][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004 [ 175.412802][ C0] R13: 0000000000420721 R14: 00007ffce4b90dc0 R15: 0000000000000001