[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.270852][ T23] audit: type=1800 audit(1575416477.569:25): pid=8230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.318697][ T23] audit: type=1800 audit(1575416477.569:26): pid=8230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.357093][ T23] audit: type=1800 audit(1575416477.569:27): pid=8230 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 '10.128.0.237' (ECDSA) to the list of known hosts. 2019/12/03 23:41:28 fuzzer started 2019/12/03 23:41:29 dialing manager at 10.128.0.26:42111 2019/12/03 23:41:29 syscalls: 2689 2019/12/03 23:41:29 code coverage: enabled 2019/12/03 23:41:29 comparison tracing: enabled 2019/12/03 23:41:29 extra coverage: extra coverage is not supported by the kernel 2019/12/03 23:41:29 setuid sandbox: enabled 2019/12/03 23:41:29 namespace sandbox: enabled 2019/12/03 23:41:29 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 23:41:29 fault injection: enabled 2019/12/03 23:41:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 23:41:29 net packet injection: enabled 2019/12/03 23:41:29 net device setup: enabled 2019/12/03 23:41:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 23:41:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:41:30 executing program 0: r0 = socket$inet6(0xa, 0x80002, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f00000000c0)={@dev, 0x0, 0x1, 0x0, 0xe}, 0x20) 23:41:31 executing program 1: r0 = syz_open_dev$usbmon(&(0x7f0000000540)='/dev/usbmon#\x00', 0x0, 0x0) ioctl$MON_IOCT_RING_SIZE(r0, 0x9208, 0x0) syzkaller login: [ 59.819926][ T8399] IPVS: ftp: loaded support on port[0] = 21 23:41:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r1, &(0x7f0000000040)={0x2, 0x0, @remote}, 0x10) r2 = socket(0x400000000000010, 0x802, 0x0) write(r2, &(0x7f00000000c0)="24000000200099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) setsockopt$inet_int(r1, 0x0, 0x32, &(0x7f0000000000)=0xffffffff, 0x4) [ 59.989795][ T8401] IPVS: ftp: loaded support on port[0] = 21 [ 60.045538][ T8399] chnl_net:caif_netlink_parms(): no params data found [ 60.206412][ T8399] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.215994][ T8399] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.226065][ T8399] device bridge_slave_0 entered promiscuous mode 23:41:31 executing program 3: mmap(&(0x7f0000001000/0x4000)=nil, 0x4000, 0xfffffffffffffffd, 0x10031, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x14e24}, 0x1c) recvmmsg(r0, &(0x7f0000000200), 0x38c, 0x0, 0x0) connect$inet6(r0, &(0x7f00000002c0)={0xa, 0x4e24}, 0x1c) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0x0) [ 60.254125][ T8405] IPVS: ftp: loaded support on port[0] = 21 [ 60.261226][ T8399] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.273603][ T8399] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.282014][ T8399] device bridge_slave_1 entered promiscuous mode [ 60.314332][ T8401] chnl_net:caif_netlink_parms(): no params data found [ 60.400148][ T8399] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.440904][ T8399] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.474689][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.483010][ T8408] IPVS: ftp: loaded support on port[0] = 21 [ 60.490758][ T8401] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.504562][ T8401] device bridge_slave_0 entered promiscuous mode 23:41:31 executing program 4: r0 = memfd_create(&(0x7f00000000c0)='I\x00=', 0x0) write(r0, &(0x7f0000000180)="6963e6424304006da3a74e3deec6fc5bb9650b5de56946c568f95d22c77190ba", 0x20) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1, 0x11, r0, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$IP_VS_SO_SET_EDIT(r1, 0x0, 0x483, &(0x7f0000000000)={0x0, @local, 0x0, 0x0, 'sh\x00'}, 0x2c) [ 60.569902][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.577812][ T8401] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.586908][ T8401] device bridge_slave_1 entered promiscuous mode [ 60.603537][ T8399] team0: Port device team_slave_0 added [ 60.637760][ T8399] team0: Port device team_slave_1 added [ 60.652686][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 60.717518][ T8401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.822791][ T8399] device hsr_slave_0 entered promiscuous mode 23:41:32 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x2, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x2}]}, &(0x7f00000000c0)='GPL\x02', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 60.911606][ T8399] device hsr_slave_1 entered promiscuous mode [ 60.954036][ T8401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.998259][ T8412] IPVS: ftp: loaded support on port[0] = 21 [ 60.999178][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 61.029185][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.036300][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.046638][ T8405] device bridge_slave_0 entered promiscuous mode [ 61.059949][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.067068][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.075357][ T8405] device bridge_slave_1 entered promiscuous mode [ 61.103451][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.132427][ T8414] IPVS: ftp: loaded support on port[0] = 21 [ 61.147320][ T8401] team0: Port device team_slave_0 added [ 61.154659][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.189349][ T8401] team0: Port device team_slave_1 added [ 61.211467][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.218731][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.226927][ T8408] device bridge_slave_0 entered promiscuous mode [ 61.264699][ T8405] team0: Port device team_slave_0 added [ 61.271459][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.279342][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.287088][ T8408] device bridge_slave_1 entered promiscuous mode [ 61.302458][ T8399] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.370663][ T8399] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.443931][ T8399] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.490848][ T8405] team0: Port device team_slave_1 added [ 61.496616][ T8399] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.630475][ T8405] device hsr_slave_0 entered promiscuous mode [ 61.708893][ T8405] device hsr_slave_1 entered promiscuous mode [ 61.758732][ T8405] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.768109][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.779235][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.844433][ T8408] team0: Port device team_slave_0 added [ 61.900636][ T8401] device hsr_slave_0 entered promiscuous mode [ 61.929455][ T8401] device hsr_slave_1 entered promiscuous mode [ 61.968664][ T8401] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.987955][ T8408] team0: Port device team_slave_1 added [ 62.033413][ T8408] device hsr_slave_0 entered promiscuous mode [ 62.078923][ T8408] device hsr_slave_1 entered promiscuous mode [ 62.118655][ T8408] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.126356][ T8412] chnl_net:caif_netlink_parms(): no params data found [ 62.209159][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 62.235714][ T8405] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.304620][ T8401] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.370598][ T8405] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.423330][ T8405] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.507408][ T8401] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.554387][ T8405] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.640747][ T8412] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.647826][ T8412] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.657028][ T8412] device bridge_slave_0 entered promiscuous mode [ 62.665025][ T8401] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.734234][ T8401] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.797817][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.805733][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.814019][ T8414] device bridge_slave_0 entered promiscuous mode [ 62.821599][ T8412] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.830003][ T8412] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.837669][ T8412] device bridge_slave_1 entered promiscuous mode [ 62.846141][ T8408] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.893250][ T8408] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.950763][ T8408] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.023814][ T8408] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.080161][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.087268][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.095308][ T8414] device bridge_slave_1 entered promiscuous mode [ 63.116999][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.130175][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.155153][ T8414] team0: Port device team_slave_0 added [ 63.176579][ T8414] team0: Port device team_slave_1 added [ 63.188331][ T8412] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.212392][ T8412] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.232344][ T8399] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.320657][ T8414] device hsr_slave_0 entered promiscuous mode [ 63.349098][ T8414] device hsr_slave_1 entered promiscuous mode [ 63.398762][ T8414] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.422488][ T8412] team0: Port device team_slave_0 added [ 63.442144][ T8404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.453558][ T8404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.466241][ T8399] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.475099][ T8412] team0: Port device team_slave_1 added [ 63.530685][ T8412] device hsr_slave_0 entered promiscuous mode [ 63.569047][ T8412] device hsr_slave_1 entered promiscuous mode [ 63.609253][ T8412] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.636840][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.654695][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.663869][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.672770][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.680029][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.689040][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.711050][ T8414] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.751315][ T8414] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.797290][ T8414] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.860961][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.870209][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.880091][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.887324][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.902785][ T8404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.916672][ T8414] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.981727][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.994370][ T8412] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.061097][ T8412] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.130915][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.140436][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.148122][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.158254][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.174393][ T8401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.184107][ T8412] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.212602][ T8412] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.297478][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.306326][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.314927][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.323753][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.332049][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.353758][ T8399] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.365151][ T8399] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.396593][ T8408] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.404331][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.413742][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.423602][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.433301][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.442453][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.451030][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.459722][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.469544][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.478102][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.485220][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.493091][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.501870][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.510336][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.517382][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.525095][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.533639][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.542257][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.550835][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.558286][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.566104][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.574933][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.582890][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.595642][ T8401] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.609234][ T8399] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.639756][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.648432][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.664312][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.673512][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.682117][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.690751][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.700060][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.707237][ T8419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.714902][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.723892][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.732430][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.739522][ T8419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.747312][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.757006][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.764899][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.803783][ T8405] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.823553][ T8405] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.837902][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.847823][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.857801][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.866839][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.876390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.885675][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.894390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.903114][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.911625][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.920145][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.927891][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.941333][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.952676][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.962128][ T8416] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.969273][ T8416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.003408][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.035693][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.053882][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.075198][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.084685][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.099291][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.107556][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.120862][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.128371][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.143594][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.153701][ T8416] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.161078][ T8416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.175575][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.184578][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.201290][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.243695][ T8414] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.266535][ T8414] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.340474][ T8414] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.359091][ T8414] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.406582][ T8414] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.048461][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.055290][ C0] rcu: 0-...!: (10499 ticks this GP) idle=c5e/1/0x4000000000000002 softirq=11835/11835 fqs=17 [ 170.065864][ C0] (t=10500 jiffies g=6873 q=554) [ 170.070880][ C0] rcu: rcu_preempt kthread starved for 10462 jiffies! g6873 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.081962][ C0] rcu: RCU grace-period kthread stack dump: [ 170.087843][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 170.095862][ C0] Call Trace: [ 170.099352][ C0] __schedule+0x9a0/0xcc0 [ 170.103684][ C0] schedule+0x181/0x210 [ 170.107830][ C0] schedule_timeout+0x14f/0x240 [ 170.112696][ C0] ? run_local_timers+0x120/0x120 [ 170.117716][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.122477][ C0] kthread+0x332/0x350 [ 170.126531][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.131739][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.136324][ C0] ret_from_fork+0x24/0x30 [ 170.140745][ C0] NMI backtrace for cpu 0 [ 170.145090][ C0] CPU: 0 PID: 8422 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 170.153308][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.163354][ C0] Call Trace: [ 170.166626][ C0] [ 170.169481][ C0] dump_stack+0x1fb/0x318 [ 170.173806][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.178643][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.184785][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.190836][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.196806][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.202706][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.207816][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.213059][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.218142][ C0] update_process_times+0x12d/0x180 [ 170.223412][ C0] tick_sched_timer+0x263/0x420 [ 170.228259][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.233798][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.239094][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.244049][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.249324][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.254857][ C0] apic_timer_interrupt+0xf/0x20 [ 170.259779][ C0] [ 170.262704][ C0] RIP: 0010:__memcg_kmem_uncharge+0x20c/0x2e0 [ 170.268758][ C0] Code: 76 7a bd 88 e8 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df [ 170.288347][ C0] RSP: 0018:ffffc900024379a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.296746][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 170.304788][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024d68c0 [ 170.312754][ C0] RBP: ffffc900024379d8 R08: 000000000003a768 R09: ffffed101512f27f [ 170.320717][ C0] R10: ffffed101512f27f R11: 0000000000000000 R12: ffffea00024d68c0 [ 170.328675][ C0] R13: 1ffffd400049ad1f R14: ffffea00024d68f8 R15: 0000000000000000 [ 170.336652][ C0] ? free_thread_stack+0x124/0x590 [ 170.341754][ C0] free_thread_stack+0x12e/0x590 [ 170.346691][ C0] put_task_stack+0xa3/0x130 [ 170.351272][ C0] finish_task_switch+0x3f1/0x550 [ 170.356287][ C0] __schedule+0x9a8/0xcc0 [ 170.360623][ C0] preempt_schedule_irq+0xc1/0x140 [ 170.365720][ C0] retint_kernel+0x1b/0x2b [ 170.370121][ C0] RIP: 0010:kfree+0x1a3/0x200 [ 170.374784][ C0] Code: 48 83 3d 67 19 59 07 00 74 68 4c 89 f7 57 9d 0f 1f 44 00 00 eb 19 e8 ec b7 ca ff 48 83 3d 4c 19 59 07 00 74 51 4c 89 f7 57 9d <0f> 1f 44 00 00 5b 41 5c 41 5e 41 5f 5d c3 48 ff c9 48 89 c8 e9 c8 [ 170.394546][ C0] RSP: 0018:ffffc90002437c30 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 170.403120][ C0] RAX: ffff8880a81ea8d4 RBX: ffff8880aa8001c0 RCX: ffffffff815c0597 [ 170.411537][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 170.419584][ C0] RBP: ffffc90002437c50 R08: ffff8880a81ea898 R09: fffffbfff13c8d2e [ 170.427551][ C0] R10: fffffbfff13c8d2e R11: 0000000000000000 R12: ffff88809494b740 [ 170.435512][ C0] R13: 1ffff92000486f94 R14: 0000000000000286 R15: ffffffff83557ebb [ 170.443572][ C0] ? tomoyo_path_perm+0x66b/0x850 [ 170.448623][ C0] ? mark_lock+0x107/0x1650 [ 170.453149][ C0] tomoyo_path_perm+0x66b/0x850 [ 170.458059][ C0] tomoyo_path_symlink+0x95/0xc0 [ 170.463012][ C0] security_path_symlink+0xed/0x170 [ 170.468223][ C0] do_symlinkat+0xf3/0x3f0 [ 170.472641][ C0] __x64_sys_symlink+0x60/0x70 [ 170.477398][ C0] do_syscall_64+0xf7/0x1c0 [ 170.481893][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.487777][ C0] RIP: 0033:0x45a3a7 [ 170.491665][ C0] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 170.511253][ C0] RSP: 002b:00007ffd8eb9bda8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 [ 170.519657][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045a3a7 [ 170.527619][ C0] RDX: 00007ffd8eb9be43 RSI: 00000000004c00e9 RDI: 00007ffd8eb9be30 [ 170.535675][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 [ 170.543744][ C0] R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000001 [ 170.552125][ C0] R13: 00007ffd8eb9bde0 R14: 0000000000000000 R15: 00007ffd8eb9bdf0