[ 43.287629][ T25] audit: type=1800 audit(1575358133.030:25): pid=8022 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.325354][ T25] audit: type=1800 audit(1575358133.030:26): pid=8022 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.357994][ T25] audit: type=1800 audit(1575358133.030:27): pid=8022 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.387217][ T25] audit: type=1800 audit(1575358133.030:28): pid=8022 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.0.233' (ECDSA) to the list of known hosts. 2019/12/03 07:29:03 fuzzer started 2019/12/03 07:29:05 dialing manager at 10.128.0.26:38907 2019/12/03 07:29:05 syscalls: 2697 2019/12/03 07:29:05 code coverage: enabled 2019/12/03 07:29:05 comparison tracing: enabled 2019/12/03 07:29:05 extra coverage: extra coverage is not supported by the kernel 2019/12/03 07:29:05 setuid sandbox: enabled 2019/12/03 07:29:05 namespace sandbox: enabled 2019/12/03 07:29:05 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 07:29:05 fault injection: enabled 2019/12/03 07:29:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 07:29:05 net packet injection: enabled 2019/12/03 07:29:05 net device setup: enabled 2019/12/03 07:29:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 07:29:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:29:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) prctl$PR_GET_SPECULATION_CTRL(0x37, 0x0, 0x1e) 07:29:06 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040)='devlink\x00') sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f0000000800)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000200)={0x3c, r1, 0x536ae464467e3e0b, 0x0, 0x0, {0x9}, [{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_FD={0x8}}]}, 0x3c}}, 0x0) syzkaller login: [ 57.131356][ T8186] IPVS: ftp: loaded support on port[0] = 21 07:29:07 executing program 2: unshare(0x2000400) r0 = creat(&(0x7f0000000040)='./file0\x00', 0x0) ioctl$EXT4_IOC_GROUP_ADD(r0, 0xc0406619, 0x0) [ 57.296073][ T8186] chnl_net:caif_netlink_parms(): no params data found [ 57.321593][ T8189] IPVS: ftp: loaded support on port[0] = 21 [ 57.454103][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.463192][ T8186] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.471492][ T8186] device bridge_slave_0 entered promiscuous mode [ 57.500303][ T8186] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.508744][ T8191] IPVS: ftp: loaded support on port[0] = 21 [ 57.519302][ T8186] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.527398][ T8186] device bridge_slave_1 entered promiscuous mode [ 57.576802][ T8186] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.596963][ T8189] chnl_net:caif_netlink_parms(): no params data found [ 57.621444][ T8186] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 07:29:07 executing program 3: r0 = openat$vimc0(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video0\x00', 0x2, 0x0) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f0000000080)={0x0, 0x0, 0x0, {0x9, @raw_data="05494af7b060d74c313dd9c22f02782d211b8b90f1918432d8816c07c19e3836ece6b7cac747220d6c565cf59ca95051f3f1e625d184ed8a785bcf51766b66cb68413b5e472ad0b40e4f48b1093228ac735173d9dccc853e57a5ef5c2fa9a54b4a7a0f7d6b7413118307eccde8a47b4c3dc00d343db151a1135621b23db2223395d458a295ca94392ae501c125cc9110009bd7b7fb906534bfee1ff1290d9e82b25a9b3b5f3488e92e8838d09e20273453ce43dee51d2c4140e526f977f28ff0ecbc515ff5327b99"}}) [ 57.676534][ T8186] team0: Port device team_slave_0 added [ 57.695604][ T8186] team0: Port device team_slave_1 added [ 57.721225][ T8189] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.738007][ T8189] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.745894][ T8189] device bridge_slave_0 entered promiscuous mode [ 57.791471][ T8189] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.808239][ T8189] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.816132][ T8189] device bridge_slave_1 entered promiscuous mode 07:29:07 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) pipe(&(0x7f0000000080)={0xffffffffffffffff}) flock(r2, 0x5) [ 57.930609][ T8186] device hsr_slave_0 entered promiscuous mode [ 57.968225][ T8186] device hsr_slave_1 entered promiscuous mode [ 58.036526][ T8195] IPVS: ftp: loaded support on port[0] = 21 [ 58.052297][ T8189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.077085][ T8191] chnl_net:caif_netlink_parms(): no params data found [ 58.098949][ T8189] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 07:29:07 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000006c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$xdp(0x2c, 0x3, 0x0) r4 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_RX_RING(r4, 0x11b, 0x2, &(0x7f0000000000)=0x8000, 0x4) socket$xdp(0x2c, 0x3, 0x0) mmap$xdp(&(0x7f0000ffe000/0x1000)=nil, 0x100000, 0x0, 0x10, 0xffffffffffffffff, 0x0) dup3(r3, r4, 0x0) [ 58.141965][ T8189] team0: Port device team_slave_0 added [ 58.165348][ T8189] team0: Port device team_slave_1 added [ 58.173176][ T8198] IPVS: ftp: loaded support on port[0] = 21 [ 58.320060][ T8189] device hsr_slave_0 entered promiscuous mode [ 58.358487][ T8189] device hsr_slave_1 entered promiscuous mode [ 58.398288][ T8189] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.424124][ T8191] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.432472][ T8191] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.440901][ T8191] device bridge_slave_0 entered promiscuous mode [ 58.450605][ T8191] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.460630][ T8191] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.461986][ T8200] IPVS: ftp: loaded support on port[0] = 21 [ 58.476642][ T8191] device bridge_slave_1 entered promiscuous mode [ 58.490568][ T8186] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.552001][ T8186] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.612445][ T8186] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.681190][ T8186] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.752976][ T8191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.791714][ T8191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.829741][ T8189] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.897592][ T8189] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.955512][ T8191] team0: Port device team_slave_0 added [ 58.961497][ T8189] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.051700][ T8189] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.113030][ T8191] team0: Port device team_slave_1 added [ 59.169879][ T8191] device hsr_slave_0 entered promiscuous mode [ 59.198425][ T8191] device hsr_slave_1 entered promiscuous mode [ 59.238077][ T8191] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.320691][ T8195] chnl_net:caif_netlink_parms(): no params data found [ 59.356909][ T8200] chnl_net:caif_netlink_parms(): no params data found [ 59.406965][ T8195] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.416578][ T8195] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.424796][ T8195] device bridge_slave_0 entered promiscuous mode [ 59.446911][ T8191] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.515746][ T8198] chnl_net:caif_netlink_parms(): no params data found [ 59.528821][ T8195] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.536702][ T8195] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.545714][ T8195] device bridge_slave_1 entered promiscuous mode [ 59.563348][ T8195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.573308][ T8200] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.582659][ T8200] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.590533][ T8200] device bridge_slave_0 entered promiscuous mode [ 59.597760][ T8191] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.666856][ T8195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.682456][ T8200] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.691079][ T8200] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.699298][ T8200] device bridge_slave_1 entered promiscuous mode [ 59.706140][ T8191] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.782739][ T8191] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.872889][ T8200] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.882732][ T8198] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.891575][ T8198] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.899406][ T8198] device bridge_slave_0 entered promiscuous mode [ 59.918472][ T8200] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.928035][ T8198] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.935605][ T8198] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.947817][ T8198] device bridge_slave_1 entered promiscuous mode [ 59.968353][ T8195] team0: Port device team_slave_0 added [ 59.975702][ T8195] team0: Port device team_slave_1 added [ 59.995080][ T8198] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.006838][ T8198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.031421][ T8200] team0: Port device team_slave_0 added [ 60.044735][ T8186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.057846][ T8198] team0: Port device team_slave_0 added [ 60.119751][ T8195] device hsr_slave_0 entered promiscuous mode [ 60.158479][ T8195] device hsr_slave_1 entered promiscuous mode [ 60.198101][ T8195] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.206743][ T8200] team0: Port device team_slave_1 added [ 60.220949][ T8198] team0: Port device team_slave_1 added [ 60.242731][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.251755][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.321041][ T8200] device hsr_slave_0 entered promiscuous mode [ 60.378280][ T8200] device hsr_slave_1 entered promiscuous mode [ 60.428381][ T8200] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.446277][ T8189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.462358][ T8186] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.541666][ T8198] device hsr_slave_0 entered promiscuous mode [ 60.578466][ T8198] device hsr_slave_1 entered promiscuous mode [ 60.618112][ T8198] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.663203][ T8198] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.731622][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.739675][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.747336][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.756553][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.766349][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.773547][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.782648][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.815691][ T8198] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.879606][ T8200] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.910797][ T8189] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.917596][ T8200] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.969923][ T8195] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.019888][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.028665][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.037833][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.045314][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.053360][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.062068][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.072351][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.081008][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.095482][ T8191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.104375][ T8198] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.169792][ T8198] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.220075][ T8200] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.259992][ T8195] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.319745][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.327500][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.336176][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.348930][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.357462][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.368696][ T8200] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.399962][ T8195] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.440525][ T8195] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.490156][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.499009][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.507315][ T8192] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.514488][ T8192] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.525203][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.533056][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.541174][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.570332][ T8191] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.586694][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.597792][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.607095][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.614722][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.622893][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.632048][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.640336][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.649939][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.661288][ T8186] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.689804][ T8189] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.703690][ T8189] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.724693][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.733568][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.742377][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.752591][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.762148][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.770711][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.779553][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.788690][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.797167][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.806909][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.815319][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.822381][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.838753][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.847267][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.855792][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.862911][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.872746][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.881647][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.889672][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.897195][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.915108][ T8198] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.952427][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.961238][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.970355][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.995585][ T8198] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.002905][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.012675][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.021839][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.030581][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.040674][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.049247][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.057408][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.065094][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.072584][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.080843][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.089993][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.104995][ T8186] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.116111][ T8191] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.135532][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.145003][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.153911][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.161026][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.169743][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.177295][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.187058][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.202848][ T8189] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.229325][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.248878][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.257301][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.264405][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.283996][ T8200] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.304073][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.314036][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.334372][ T8191] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.357192][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.387627][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.397663][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.407467][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.416183][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.423632][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.431928][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.470850][ T8195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.495823][ T8195] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.544717][ T8195] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.555577][ T8195] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.600169][ T8195] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.387881][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.394730][ C0] rcu: 0-...!: (10499 ticks this GP) idle=4d2/1/0x4000000000000002 softirq=10801/10801 fqs=38 [ 167.405417][ C0] (t=10501 jiffies g=6485 q=429) [ 167.410451][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g6485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.422235][ C0] rcu: RCU grace-period kthread stack dump: [ 167.428118][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.436020][ C0] Call Trace: [ 167.439310][ C0] __schedule+0x9a0/0xcc0 [ 167.443664][ C0] schedule+0x181/0x210 [ 167.447810][ C0] schedule_timeout+0x14f/0x240 [ 167.452672][ C0] ? run_local_timers+0x120/0x120 [ 167.457699][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.462463][ C0] kthread+0x332/0x350 [ 167.466530][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.471636][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.476249][ C0] ret_from_fork+0x24/0x30 [ 167.480669][ C0] NMI backtrace for cpu 0 [ 167.484990][ C0] CPU: 0 PID: 7857 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 167.492511][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.502550][ C0] Call Trace: [ 167.505818][ C0] [ 167.508661][ C0] dump_stack+0x1fb/0x318 [ 167.512982][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.518000][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.524147][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.530198][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.536174][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.542053][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.547160][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.552350][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.557360][ C0] update_process_times+0x12d/0x180 [ 167.562545][ C0] tick_sched_timer+0x263/0x420 [ 167.567387][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.572948][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.586159][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.591282][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.597005][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.602537][ C0] apic_timer_interrupt+0xf/0x20 [ 167.607458][ C0] [ 167.610386][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 167.616526][ C0] Code: cc 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c <8b> 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 167.636465][ C0] RSP: 0018:ffffc90006f57728 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.644862][ C0] RAX: ffffffff81487326 RBX: ffffea000245af40 RCX: ffff888094eb8500 [ 167.652818][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea000245af40 [ 167.660787][ C0] RBP: ffffc90006f57750 R08: 000000000003a768 R09: ffffed1012b31ac7 [ 167.669210][ C0] R10: ffffed1012b31ac7 R11: 0000000000000000 R12: ffff88809ff54ca0 [ 167.677785][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809598d628 [ 167.685761][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.691296][ C0] ? free_thread_stack+0x124/0x590 [ 167.696390][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.701662][ C0] free_thread_stack+0x168/0x590 [ 167.706588][ C0] put_task_stack+0xa3/0x130 [ 167.711254][ C0] finish_task_switch+0x3f1/0x550 [ 167.716269][ C0] __schedule+0x9a8/0xcc0 [ 167.720595][ C0] schedule+0x181/0x210 [ 167.724741][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.730895][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.736711][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 167.742072][ C0] poll_schedule_timeout+0x11c/0x1c0 [ 167.747347][ C0] do_sys_poll+0x82f/0x1240 [ 167.752137][ C0] ? debug_object_activate+0x2f7/0x6f0 [ 167.757684][ C0] ? debug_object_active_state+0x1e3/0x4a0 [ 167.763483][ C0] ? __lock_acquire+0xc75/0x1be0 [ 167.768415][ C0] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 167.774421][ C0] ? trace_hardirqs_on+0x74/0x80 [ 167.779358][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 167.784247][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 167.789013][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 167.794378][ C0] ? trace_hardirqs_on+0x74/0x80 [ 167.801489][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 167.806244][ C0] ? read_seqcount_begin+0x17a/0x1c0 [ 167.811520][ C0] ? ktime_get_ts64+0x240/0x2c0 [ 167.816360][ C0] ? timespec64_add_safe+0x171/0x1b0 [ 167.821638][ C0] __se_sys_poll+0x1b0/0x360 [ 167.826223][ C0] __x64_sys_poll+0x7b/0x90 [ 167.830756][ C0] do_syscall_64+0xf7/0x1c0 [ 167.835253][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.841132][ C0] RIP: 0033:0x7f0f8c1cb678 [ 167.845538][ C0] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 167.865143][ C0] RSP: 002b:00007fff8ae99d10 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 167.873556][ C0] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f0f8c1cb678 [ 167.881785][ C0] RDX: 000000000000ee34 RSI: 0000000000000001 RDI: 00007fff8ae99dd0 [ 167.889749][ C0] RBP: 0000000000000000 R08: 00007fff8ae99d20 R09: 00007fff8af4d0b8 [ 167.897714][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000002586610 [ 167.905684][ C0] R13: 0000000000002010 R14: 00007fff8ae99da4 R15: 0000000002575250