[ 45.140754][ T25] audit: type=1800 audit(1575429971.651:25): pid=8071 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.168037][ T25] audit: type=1800 audit(1575429971.651:26): pid=8071 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.217654][ T25] audit: type=1800 audit(1575429971.651:27): pid=8071 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 45.241656][ T25] audit: type=1800 audit(1575429971.651:28): pid=8071 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 '10.128.0.27' (ECDSA) to the list of known hosts. 2019/12/04 03:26:20 fuzzer started 2019/12/04 03:26:21 dialing manager at 10.128.0.26:42111 2019/12/04 03:26:21 syscalls: 2689 2019/12/04 03:26:21 code coverage: enabled 2019/12/04 03:26:21 comparison tracing: enabled 2019/12/04 03:26:21 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:26:21 setuid sandbox: enabled 2019/12/04 03:26:21 namespace sandbox: enabled 2019/12/04 03:26:21 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:26:21 fault injection: enabled 2019/12/04 03:26:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:26:21 net packet injection: enabled 2019/12/04 03:26:21 net device setup: enabled 2019/12/04 03:26:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:26:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:26:22 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000100)={'bridge_slave_0\x00\x04'}) r1 = socket$inet6(0xa, 0x803, 0x20) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'bridge_slave_0\x00', 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f00000002c0)={@remote, 0x0, r2}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000080)={'bridge_slave_0\x00?', 0x22000000c0ffffff}) 03:26:22 executing program 1: r0 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x6000, &(0x7f0000000080)=[{&(0x7f0000000000)="48000000140081fb7059ae08060c04000aff0f03000004000002020000006fabca1b4e7d06a6bd7c493872f750375ed08a562ad6e74703c48f93b82a02000000461eb886a5e54e8f", 0x48}], 0x1}, 0x0) syzkaller login: [ 56.455829][ T8235] IPVS: ftp: loaded support on port[0] = 21 03:26:23 executing program 2: 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, 0x0, 0xffffffffffffffff, 0x0) r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) epoll_create1(0x0) r2 = getpid() r3 = gettid() kcmp$KCMP_EPOLL_TFD(r2, r3, 0x7, r0, &(0x7f0000000000)={r1}) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, &(0x7f00000001c0)=ANY=[]) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmsg$key(0xffffffffffffffff, 0x0, 0x0) waitid(0x0, 0x0, 0x0, 0x0, 0x0) bpf$BPF_PROG_GET_FD_BY_ID(0xd, 0x0, 0x0) [ 56.620766][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 56.631953][ T8235] chnl_net:caif_netlink_parms(): no params data found [ 56.722846][ T8235] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.732139][ T8235] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.740556][ T8235] device bridge_slave_0 entered promiscuous mode [ 56.758896][ T8235] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.766291][ T8235] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.775817][ T8235] device bridge_slave_1 entered promiscuous mode [ 56.855073][ T8235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.872328][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 56.883506][ T8242] IPVS: ftp: loaded support on port[0] = 21 [ 56.893165][ T8235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 03:26:23 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f00000017c0)={0x0, 0x0, 0x0, &(0x7f00000001c0)='\x00\xf1)\r*\xbbzL\x8e7\x9e\xaa\xb3y\xb9\xfa!\xad!\xb4\xd4\x94\xa0\x86\xcf\x12#\xb4\xd3n$\x85\x06k\xb2\xf9\xd5\"\xfe\x86 \b\x7f\xe8\x8a\xcf\x89\x9b\xbaR]\xf5{J\x84\x15\xf9)\xf3\xc8\xd5`\xe6\xe6\x9eI\x02\xce\x1fI\xa8w\xc3#\xba\xf5\xe9\xea>\xc7\xab2,\xa0\x84t\xce\x04Tf\xc5\xfe`\'\x9b\xe2MH%\x93\x028\xcb\x0f\xdb\x16\xe2l\x80\xe6\xcd\xceW\x01SS-o`X\xf6\xa4\xc1|\xbe\xc4\xf0\xac1zp\xc9\x89\xef.\xa4\x91\xb4\xf3(', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) mount$fuseblk(0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)=ANY=[@ANYBLOB="0420eb673afdbb990f785575192e7f0083538c57b4f1a09301363a8520a54a95a0a13f4ada47f126d4a9e0a1e40656b37c0d183212629269c8c4542fde69b142e25d2d06"]) r2 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f00000000c0)={'syz', 0x3}, 0x0, 0x0, 0xffffffffffffffff) add_key(&(0x7f0000000080)='pkcs7_test\x00', 0x0, &(0x7f0000000200)="3081a3", 0x1001, r2) [ 56.937910][ T8235] team0: Port device team_slave_0 added [ 56.975196][ T8235] team0: Port device team_slave_1 added [ 57.015888][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.023805][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.033672][ T8237] device bridge_slave_0 entered promiscuous mode [ 57.094295][ T8235] device hsr_slave_0 entered promiscuous mode 03:26:23 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0xd, 0x4, &(0x7f0000346fc8)=@framed={{}, [@alu={0x8000000201a7f19, 0x0, 0x201a7fa6, 0x3, 0x1, 0x40}]}, &(0x7f0000000140)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xdba3dd835d632db6}, 0x48) [ 57.178590][ T8235] device hsr_slave_1 entered promiscuous mode [ 57.243391][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.258795][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.266636][ T8237] device bridge_slave_1 entered promiscuous mode [ 57.357656][ T8244] IPVS: ftp: loaded support on port[0] = 21 [ 57.365312][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 03:26:23 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0xffffa888, &(0x7f0000000080)=[{&(0x7f0000000200)="d800000018008100e00f80ecdb4cb904021d65ef0b007c06e87c55a1bc000900b8000699030007000500154002008178a80016000c000100e558f000000002000000006f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe04000000730d16a4683e4f6d0200003f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e04adcdf634c1f215ce3bb53b409d5e1cace81ed0b7fece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92307f27260e9703", 0xd8}], 0x1}, 0x0) [ 57.407380][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.457564][ T8247] IPVS: ftp: loaded support on port[0] = 21 [ 57.479648][ T8235] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.530217][ T8235] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.579930][ T8242] chnl_net:caif_netlink_parms(): no params data found [ 57.614648][ T8235] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.681272][ T8237] team0: Port device team_slave_0 added [ 57.703654][ T8249] IPVS: ftp: loaded support on port[0] = 21 [ 57.715776][ T8235] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.770867][ T8237] team0: Port device team_slave_1 added [ 57.804941][ T8242] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.813522][ T8242] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.821294][ T8242] device bridge_slave_0 entered promiscuous mode [ 57.851369][ T8242] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.858745][ T8242] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.866338][ T8242] device bridge_slave_1 entered promiscuous mode [ 57.951285][ T8237] device hsr_slave_0 entered promiscuous mode [ 58.009244][ T8237] device hsr_slave_1 entered promiscuous mode [ 58.048254][ T8237] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.057092][ T8242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.066562][ T8244] chnl_net:caif_netlink_parms(): no params data found [ 58.103493][ T8242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.126365][ T8242] team0: Port device team_slave_0 added [ 58.173787][ T8242] team0: Port device team_slave_1 added [ 58.206315][ T8244] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.213528][ T8244] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.221454][ T8244] device bridge_slave_0 entered promiscuous mode [ 58.238336][ T8249] chnl_net:caif_netlink_parms(): no params data found [ 58.253275][ T8244] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.260871][ T8244] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.268817][ T8244] device bridge_slave_1 entered promiscuous mode [ 58.295636][ T8244] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.305646][ T8237] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.352899][ T8237] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.410049][ T8247] chnl_net:caif_netlink_parms(): no params data found [ 58.419810][ T8244] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.445989][ T8244] team0: Port device team_slave_0 added [ 58.455399][ T8244] team0: Port device team_slave_1 added [ 58.463934][ T8237] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.580900][ T8242] device hsr_slave_0 entered promiscuous mode [ 58.608346][ T8242] device hsr_slave_1 entered promiscuous mode [ 58.648088][ T8242] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.677397][ T8249] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.686472][ T8249] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.694418][ T8249] device bridge_slave_0 entered promiscuous mode [ 58.703024][ T8249] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.710297][ T8249] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.717848][ T8249] device bridge_slave_1 entered promiscuous mode [ 58.730286][ T8237] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.836881][ T8249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.855851][ T8242] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.970719][ T8244] device hsr_slave_0 entered promiscuous mode [ 59.018366][ T8244] device hsr_slave_1 entered promiscuous mode [ 59.068183][ T8244] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.080535][ T8247] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.087665][ T8247] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.095740][ T8247] device bridge_slave_0 entered promiscuous mode [ 59.104645][ T8249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.114763][ T8242] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.170120][ T8242] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.233043][ T8242] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.300082][ T8247] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.307174][ T8247] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.317587][ T8247] device bridge_slave_1 entered promiscuous mode [ 59.361199][ T8235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.375503][ T8249] team0: Port device team_slave_0 added [ 59.386296][ T8247] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.403797][ T8254] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.414440][ T8254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.424702][ T8235] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.433654][ T8249] team0: Port device team_slave_1 added [ 59.452999][ T8247] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.468411][ T8244] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.510554][ T8244] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.570940][ T8244] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.680213][ T8249] device hsr_slave_0 entered promiscuous mode [ 59.738524][ T8249] device hsr_slave_1 entered promiscuous mode [ 59.778167][ T8249] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.809391][ T8247] team0: Port device team_slave_0 added [ 59.816737][ T8247] team0: Port device team_slave_1 added [ 59.822928][ T8244] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.885715][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.894384][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.902855][ T8253] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.910027][ T8253] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.947411][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.957092][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.966069][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.974977][ T8253] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.982095][ T8253] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.991243][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.007672][ T8237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.015210][ T8249] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.100998][ T8247] device hsr_slave_0 entered promiscuous mode [ 60.138446][ T8247] device hsr_slave_1 entered promiscuous mode [ 60.178166][ T8247] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.190167][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.207749][ T8237] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.219999][ T8249] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.260692][ T8249] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.303577][ T8249] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.350743][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.359068][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.366647][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.375314][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.383694][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.392536][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.442627][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.450522][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.459239][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.467689][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.476064][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.485463][ T8247] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.539841][ T8247] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.582593][ T8235] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.598257][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.606912][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.616997][ T3703] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.624119][ T3703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.639201][ T8247] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.692599][ T8242] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.715665][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.723531][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.732258][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.740669][ T8253] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.747701][ T8253] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.755710][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.764841][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.772332][ T8253] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.780498][ T8247] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.833965][ T8242] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.842778][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.850913][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.859658][ T3703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.873141][ T8235] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.931902][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.941043][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.949603][ T8240] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.956631][ T8240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.964353][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.973180][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.981981][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.989825][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.027062][ T8249] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.055058][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.064501][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.072920][ T8240] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.080071][ T8240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.087710][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.097255][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.105922][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.114875][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.123464][ T8240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 166.057966][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.064706][ C0] rcu: 0-...!: (10499 ticks this GP) idle=f26/1/0x4000000000000002 softirq=11321/11321 fqs=42 [ 166.075239][ C0] (t=10501 jiffies g=6173 q=44) [ 166.080162][ C0] rcu: rcu_preempt kthread starved for 10418 jiffies! g6173 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.091242][ C0] rcu: RCU grace-period kthread stack dump: [ 166.097122][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.105006][ C0] Call Trace: [ 166.108289][ C0] __schedule+0x9a0/0xcc0 [ 166.112615][ C0] schedule+0x181/0x210 [ 166.116762][ C0] schedule_timeout+0x14f/0x240 [ 166.121603][ C0] ? run_local_timers+0x120/0x120 [ 166.126623][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.131380][ C0] kthread+0x332/0x350 [ 166.135432][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.140548][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.145126][ C0] ret_from_fork+0x24/0x30 [ 166.149560][ C0] NMI backtrace for cpu 0 [ 166.153887][ C0] CPU: 0 PID: 8206 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 166.161338][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.171382][ C0] Call Trace: [ 166.174651][ C0] [ 166.177496][ C0] dump_stack+0x1fb/0x318 [ 166.181814][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.186649][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.192808][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.198863][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.204833][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.210711][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.215811][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.220998][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.226009][ C0] update_process_times+0x12d/0x180 [ 166.231199][ C0] tick_sched_timer+0x263/0x420 [ 166.236035][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.241567][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.246765][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.251704][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.256975][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.262506][ C0] apic_timer_interrupt+0xf/0x20 [ 166.267421][ C0] [ 166.270348][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 166.276314][ C0] Code: 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 39 3d 04 ce 8c 07 0f 84 6e 02 00 00 [ 166.295903][ C0] RSP: 0018:ffffc90001e07ad0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.304302][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 166.312255][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00026a0240 [ 166.320211][ C0] RBP: ffffc90001e07b00 R08: 000000000003a768 R09: ffffed101502ae7f [ 166.328169][ C0] R10: ffffed101502ae7f R11: 0000000000000000 R12: ffffea00026a0240 [ 166.336123][ C0] R13: 1ffffd40004d404f R14: ffffea00026a0278 R15: 0000000000000000 [ 166.344187][ C0] ? free_thread_stack+0x124/0x590 [ 166.349284][ C0] free_thread_stack+0x12e/0x590 [ 166.354213][ C0] put_task_stack+0xa3/0x130 [ 166.358787][ C0] finish_task_switch+0x3f1/0x550 [ 166.363799][ C0] __schedule+0x9a8/0xcc0 [ 166.368121][ C0] schedule+0x181/0x210 [ 166.372266][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 166.378325][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 166.384123][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 166.389491][ C0] ep_poll+0xa4d/0xe80 [ 166.393551][ C0] ? do_task_dead+0xc0/0xc0 [ 166.398039][ C0] ? __kasan_check_read+0x11/0x20 [ 166.403225][ C0] do_epoll_wait+0x1ee/0x260 [ 166.407803][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 166.412827][ C0] do_syscall_64+0xf7/0x1c0 [ 166.417325][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.423203][ C0] RIP: 0033:0x7ffa01362943 [ 166.427607][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 166.447208][ C0] RSP: 002b:00007fff4852e968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 166.455612][ C0] RAX: ffffffffffffffda RBX: 0000000000efe250 RCX: 00007ffa01362943 [ 166.463572][ C0] RDX: 0000000000000004 RSI: 00007fff4852ea30 RDI: 0000000000000007 [ 166.471673][ C0] RBP: 0000000000625500 R08: 00007fff4852e950 R09: 00007fff4854c0b8 [ 166.479647][ C0] R10: 000000000000ee3f R11: 0000000000000246 R12: 0000000000f0efe0 [ 166.487631][ C0] R13: 00007fff4852fa87 R14: 0000000000000005 R15: 0000000000efe250