[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.198758][ T23] audit: type=1800 audit(1575441747.002:25): pid=8135 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.225305][ T23] audit: type=1800 audit(1575441747.002:26): pid=8135 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.266741][ T23] audit: type=1800 audit(1575441747.012:27): pid=8135 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 '10.128.0.165' (ECDSA) to the list of known hosts. 2019/12/04 06:42:37 fuzzer started 2019/12/04 06:42:39 dialing manager at 10.128.0.26:42111 2019/12/04 06:42:39 syscalls: 2689 2019/12/04 06:42:39 code coverage: enabled 2019/12/04 06:42:39 comparison tracing: enabled 2019/12/04 06:42:39 extra coverage: extra coverage is not supported by the kernel 2019/12/04 06:42:39 setuid sandbox: enabled 2019/12/04 06:42:39 namespace sandbox: enabled 2019/12/04 06:42:39 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 06:42:39 fault injection: enabled 2019/12/04 06:42:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 06:42:39 net packet injection: enabled 2019/12/04 06:42:39 net device setup: enabled 2019/12/04 06:42:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 06:42:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:42:40 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x18, 0x0, 0x0) getsockopt$SO_BINDTODEVICE(r2, 0x1, 0x42, &(0x7f0000000000), 0x20a1562f) 06:42:40 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)={0x14, 0x0, 0x1, 0xff0b, 0x0, 0x0, {0x0, 0xf0ffff}}, 0x14}}, 0x0) syzkaller login: [ 58.474215][ T8301] IPVS: ftp: loaded support on port[0] = 21 [ 58.665065][ T8304] IPVS: ftp: loaded support on port[0] = 21 [ 58.678204][ T8301] chnl_net:caif_netlink_parms(): no params data found 06:42:40 executing program 2: r0 = socket$can_raw(0x1d, 0x3, 0x1) getsockopt$CAN_RAW_RECV_OWN_MSGS(r0, 0x65, 0x6, 0x0, &(0x7f0000000180)=0xfffffffffffffe34) [ 58.808706][ T8301] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.825525][ T8301] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.833794][ T8301] device bridge_slave_0 entered promiscuous mode [ 58.884068][ T8301] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.892670][ T8301] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.909483][ T8301] device bridge_slave_1 entered promiscuous mode [ 58.957200][ T8307] IPVS: ftp: loaded support on port[0] = 21 [ 58.967848][ T8301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.977364][ T8304] chnl_net:caif_netlink_parms(): no params data found [ 58.988337][ T8301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.031607][ T8301] team0: Port device team_slave_0 added [ 59.041541][ T8301] team0: Port device team_slave_1 added [ 59.081594][ T8304] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.091716][ T8304] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.100109][ T8304] device bridge_slave_0 entered promiscuous mode [ 59.115529][ T8304] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.122622][ T8304] bridge0: port 2(bridge_slave_1) entered disabled state 06:42:40 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000e5b000)={0x2, 0x4e20, @multicast1}, 0x10) keyctl$describe(0x6, 0x0, 0x0, 0x0) connect$inet(r0, &(0x7f0000ccb000)={0x2, 0x4e20}, 0x10) ioctl$USBDEVFS_GET_SPEED(0xffffffffffffffff, 0x551f) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x1, 0x3, &(0x7f00009ff000)=ANY=[@ANYBLOB="18000000030000000000000000a5000095002b0000000000"], &(0x7f00002bf000)='syzkaller\x00', 0x4, 0x436, &(0x7f0000000040)=""/183}, 0x48) r2 = socket$kcm(0x29, 0x1000000000002, 0x0) recvmmsg(r2, &(0x7f0000003540), 0x400000000000310, 0x0, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f000031aff8)={r0, r1}) sendmsg$rds(r2, &(0x7f0000002940)={0x0, 0x0, &(0x7f0000002800)=[{&(0x7f00000004c0)=""/4096, 0x1000}], 0x1}, 0x0) [ 59.131731][ T8304] device bridge_slave_1 entered promiscuous mode [ 59.189616][ T8301] device hsr_slave_0 entered promiscuous mode [ 59.265213][ T8301] device hsr_slave_1 entered promiscuous mode 06:42:41 executing program 4: unshare(0x400) r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000000)='/dev/adsp1\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_SUBDIVIDE(r0, 0xc0045009, &(0x7f0000000000)=0xcd22) [ 59.366083][ T8309] IPVS: ftp: loaded support on port[0] = 21 [ 59.385253][ T8304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.429465][ T8304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.517496][ T8301] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.577929][ T8301] netdevsim netdevsim0 netdevsim1: renamed from eth1 06:42:41 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$caif_stream(0x25, 0x1, 0x0) io_setup(0x83, &(0x7f00000003c0)=0x0) io_submit(r3, 0x0, 0x0) io_submit(r3, 0x2000000000000155, &(0x7f00000006c0)=[&(0x7f0000000180)={0x2, 0x0, 0x0, 0x0, 0x0, r2, &(0x7f0000000000)="b2", 0x1}]) [ 59.682612][ T8301] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.738562][ T8301] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.798644][ T8307] chnl_net:caif_netlink_parms(): no params data found [ 59.819438][ T8304] team0: Port device team_slave_0 added [ 59.847539][ T8304] team0: Port device team_slave_1 added [ 59.848892][ T8312] IPVS: ftp: loaded support on port[0] = 21 [ 59.856481][ T8307] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.871150][ T8314] IPVS: ftp: loaded support on port[0] = 21 [ 59.872073][ T8307] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.886583][ T8307] device bridge_slave_0 entered promiscuous mode [ 59.894419][ T8307] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.901630][ T8307] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.910184][ T8307] device bridge_slave_1 entered promiscuous mode [ 59.988358][ T8307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.036554][ T8304] device hsr_slave_0 entered promiscuous mode [ 60.085174][ T8304] device hsr_slave_1 entered promiscuous mode [ 60.124971][ T8304] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.146597][ T8309] chnl_net:caif_netlink_parms(): no params data found [ 60.156852][ T8307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.198103][ T8307] team0: Port device team_slave_0 added [ 60.225819][ T8307] team0: Port device team_slave_1 added [ 60.236867][ T8309] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.244025][ T8309] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.252357][ T8309] device bridge_slave_0 entered promiscuous mode [ 60.280387][ T8309] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.287777][ T8309] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.295612][ T8309] device bridge_slave_1 entered promiscuous mode [ 60.314042][ T8309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.326049][ T8309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.387475][ T8307] device hsr_slave_0 entered promiscuous mode [ 60.435132][ T8307] device hsr_slave_1 entered promiscuous mode [ 60.505033][ T8307] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.533294][ T8304] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.633850][ T8304] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.700434][ T8312] chnl_net:caif_netlink_parms(): no params data found [ 60.716454][ T8314] chnl_net:caif_netlink_parms(): no params data found [ 60.729248][ T8309] team0: Port device team_slave_0 added [ 60.736786][ T8304] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.791064][ T8304] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.849116][ T8309] team0: Port device team_slave_1 added [ 60.907182][ T8309] device hsr_slave_0 entered promiscuous mode [ 60.945448][ T8309] device hsr_slave_1 entered promiscuous mode [ 60.985683][ T8309] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.025962][ T8312] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.033683][ T8312] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.046788][ T8312] device bridge_slave_0 entered promiscuous mode [ 61.068281][ T8307] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.126911][ T8307] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.172301][ T8307] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.228690][ T8307] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.280814][ T8312] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.288464][ T8312] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.297165][ T8312] device bridge_slave_1 entered promiscuous mode [ 61.314308][ T8301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.329355][ T8314] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.337291][ T8314] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.346620][ T8314] device bridge_slave_0 entered promiscuous mode [ 61.354617][ T8314] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.362442][ T8314] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.370252][ T8314] device bridge_slave_1 entered promiscuous mode [ 61.412703][ T3838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.423641][ T3838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.434580][ T8301] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.445841][ T8314] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.460674][ T8314] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.480695][ T8312] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.490261][ T8309] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.567273][ T8312] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.577077][ T8309] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.597031][ T8309] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.637138][ T8309] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.678472][ T8314] team0: Port device team_slave_0 added [ 61.688105][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.697182][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.705830][ T3817] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.713151][ T3817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.722679][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.747384][ T8314] team0: Port device team_slave_1 added [ 61.769959][ T8312] team0: Port device team_slave_0 added [ 61.779401][ T8312] team0: Port device team_slave_1 added [ 61.789511][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.799192][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.807946][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.815417][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.823058][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.835773][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.908093][ T8314] device hsr_slave_0 entered promiscuous mode [ 61.968164][ T8314] device hsr_slave_1 entered promiscuous mode [ 62.025035][ T8314] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.041267][ T8304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.056740][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.065714][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.074692][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.158390][ T8312] device hsr_slave_0 entered promiscuous mode [ 62.195380][ T8312] device hsr_slave_1 entered promiscuous mode [ 62.235028][ T8312] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.262334][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.270855][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.288298][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.298314][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.307808][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.316714][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.344433][ T8304] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.352863][ T8314] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.394600][ T8307] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.404401][ T8301] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.417059][ T8301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.425517][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.434288][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.443389][ T8314] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.500314][ T8314] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.550375][ T8314] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.629631][ T8307] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.636581][ T8312] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.676991][ T8312] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.727233][ T8312] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.767536][ T8312] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.817200][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.825494][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.833331][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.841961][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.850464][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.857693][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.877888][ T8309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.892678][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.901156][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.910165][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.918488][ T2723] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.925591][ T2723] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.933508][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.942134][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.950444][ T2723] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.957534][ T2723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.965166][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.973894][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.982274][ T2723] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.989375][ T2723] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.997216][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.013604][ T8309] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.045524][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.053489][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.063824][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.071575][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.079734][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.088499][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.096102][ T8318] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.115349][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.124190][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.136323][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.145768][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.154262][ T3817] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.161412][ T3817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.169554][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.178309][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.186796][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.195451][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.203719][ T3817] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.210913][ T3817] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.218733][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.227226][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.235595][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.244546][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.252936][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.267907][ T8301] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.296529][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.307767][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.316080][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.324027][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.332824][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.342086][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.351222][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.361074][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.369758][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.378882][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.387290][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.395957][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.404163][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.412985][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.427187][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.444393][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.453720][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.482440][ T8307] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.500932][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.509427][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.517130][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.524658][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.533892][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.569280][ T8314] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.612846][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.635551][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.644017][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.671196][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.692160][ T8309] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.714326][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.750882][ T8304] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 168.684747][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.691618][ C0] rcu: 0-...!: (10500 ticks this GP) idle=14e/1/0x4000000000000002 softirq=11286/11286 fqs=36 [ 168.702206][ C0] (t=10500 jiffies g=6745 q=308) [ 168.707485][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g6745 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.718589][ C0] rcu: RCU grace-period kthread stack dump: [ 168.724469][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 168.732363][ C0] Call Trace: [ 168.735655][ C0] __schedule+0x9a0/0xcc0 [ 168.739986][ C0] schedule+0x181/0x210 [ 168.744133][ C0] schedule_timeout+0x14f/0x240 [ 168.748971][ C0] ? run_local_timers+0x120/0x120 [ 168.755812][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.760574][ C0] kthread+0x332/0x350 [ 168.764629][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.769903][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.774572][ C0] ret_from_fork+0x24/0x30 [ 168.778992][ C0] NMI backtrace for cpu 0 [ 168.783313][ C0] CPU: 0 PID: 8321 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 168.790848][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.800889][ C0] Call Trace: [ 168.804163][ C0] [ 168.807008][ C0] dump_stack+0x1fb/0x318 [ 168.811333][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.816170][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.822314][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.828368][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.834521][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.840412][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.845777][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.850964][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.855977][ C0] update_process_times+0x12d/0x180 [ 168.861167][ C0] tick_sched_timer+0x263/0x420 [ 168.866004][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.871539][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.876738][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.881688][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.886964][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.892497][ C0] apic_timer_interrupt+0xf/0x20 [ 168.897415][ C0] [ 168.900359][ C0] RIP: 0010:__memcg_kmem_uncharge+0x38/0x2e0 [ 168.907381][ C0] Code: 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff <4d> 8b 3e b8 01 00 00 00 89 d9 d3 e0 4d 85 ff 0f 84 bf 01 00 00 4c [ 168.931851][ C0] RSP: 0018:ffffc90002c47b58 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.940352][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff888098e72280 [ 168.948313][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023b5b40 [ 168.956273][ C0] RBP: ffffc90002c47b88 R08: 000000000003a768 R09: ffffed101509227f [ 168.964234][ C0] R10: ffffed101509227f R11: 0000000000000000 R12: ffffea00023b5b40 [ 168.972208][ C0] R13: 1ffffd4000476b6f R14: ffffea00023b5b78 R15: ffff8880a84913e8 [ 168.980365][ C0] ? free_thread_stack+0x124/0x590 [ 168.985467][ C0] free_thread_stack+0x12e/0x590 [ 168.990394][ C0] put_task_stack+0xa3/0x130 [ 168.994973][ C0] finish_task_switch+0x3f1/0x550 [ 169.000011][ C0] __schedule+0x9a8/0xcc0 [ 169.004338][ C0] ? ___preempt_schedule+0x16/0x18 [ 169.009525][ C0] preempt_schedule+0xdb/0x120 [ 169.014304][ C0] ___preempt_schedule+0x16/0x18 [ 169.019235][ C0] ? do_exit+0x1431/0x2020 [ 169.023639][ C0] _raw_write_unlock_irq+0x77/0x80 [ 169.029088][ C0] do_exit+0x1431/0x2020 [ 169.033345][ C0] do_group_exit+0x15c/0x2b0 [ 169.037931][ C0] __do_sys_exit_group+0x17/0x20 [ 169.042962][ C0] __se_sys_exit_group+0x14/0x20 [ 169.047887][ C0] __x64_sys_exit_group+0x3b/0x40 [ 169.052902][ C0] do_syscall_64+0xf7/0x1c0 [ 169.057402][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.063283][ C0] RIP: 0033:0x7f40255d21e8 [ 169.068917][ C0] Code: Bad RIP value. [ 169.073146][ C0] RSP: 002b:00007ffe51e7e708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 169.081542][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f40255d21e8 [ 169.089508][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 169.097481][ C0] RBP: 00007f40258a7840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 169.105924][ C0] R10: 00007f40258ad740 R11: 0000000000000246 R12: 00007f40258a7840 [ 169.113893][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000