[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.920456][ T27] audit: type=1800 audit(1578447621.584:25): pid=8572 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.946676][ T27] audit: type=1800 audit(1578447621.594:26): pid=8572 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.002645][ T27] audit: type=1800 audit(1578447621.594:27): pid=8572 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 '10.128.1.34' (ECDSA) to the list of known hosts. 2020/01/08 01:40:34 fuzzer started 2020/01/08 01:40:35 dialing manager at 10.128.0.26:35703 2020/01/08 01:40:35 syscalls: 2824 2020/01/08 01:40:35 code coverage: enabled 2020/01/08 01:40:35 comparison tracing: enabled 2020/01/08 01:40:35 extra coverage: enabled 2020/01/08 01:40:35 setuid sandbox: enabled 2020/01/08 01:40:35 namespace sandbox: enabled 2020/01/08 01:40:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:40:35 fault injection: enabled 2020/01/08 01:40:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:40:35 net packet injection: enabled 2020/01/08 01:40:35 net device setup: enabled 2020/01/08 01:40:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:40:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:40:36 executing program 0: r0 = getpgid(0x0) prctl$PR_SET_PTRACER(0x59616d61, r0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x200000000000013, &(0x7f0000000280)=0x400100000001, 0x4) connect$inet6(r1, &(0x7f0000000080), 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r1, 0x6, 0x16, &(0x7f0000000440), 0x12f7e5) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r2 = gettid() setsockopt$inet6_tcp_int(r1, 0x6, 0x22, &(0x7f0000000140)=0x100, 0x14a) ptrace$setopts(0x4206, r2, 0x0, 0x0) tkill(r2, 0x4) wait4(0x0, 0x0, 0x0, 0x0) 01:40:37 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000180)=0x1, 0x4) bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x8000000004) r2 = socket$unix(0x1, 0x1, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) r4 = dup2(r3, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) writev(r1, &(0x7f0000004000)=[{&(0x7f0000000200)="580000001400add427323b470c45b45602067fffffff81004e22000d00ff0028925aa80020007b00090080000efffeffe809000000ff0000f03ac7100003ffffffffffffffffffffffe7ee00000000000000000200000000", 0x58}], 0x1) syzkaller login: [ 67.431454][ T8738] IPVS: ftp: loaded support on port[0] = 21 [ 67.502318][ T8740] IPVS: ftp: loaded support on port[0] = 21 [ 67.645987][ T8738] chnl_net:caif_netlink_parms(): no params data found [ 67.655004][ T8740] chnl_net:caif_netlink_parms(): no params data found 01:40:37 executing program 2: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x6, 0x4, &(0x7f0000000340)=ANY=[@ANYBLOB="18020000fdffffff0000000000000000850000002c000000950000000000000075717a4e34405409b8e629d362a6b0849af2378bce7ad5beb9ae"], &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000040)={r0, 0x0, 0x606, 0x0, &(0x7f0000000080)="020043d05d25b666cd783f4b231c", 0x0, 0x8e}, 0x28) [ 67.705655][ T8738] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.713456][ T8738] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.721617][ T8738] device bridge_slave_0 entered promiscuous mode [ 67.734281][ T8738] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.742257][ T8738] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.750149][ T8738] device bridge_slave_1 entered promiscuous mode [ 67.807304][ T8738] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.839055][ T8740] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.861020][ T8740] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.870008][ T8740] device bridge_slave_0 entered promiscuous mode [ 67.883123][ T8738] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.901725][ T8740] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.914420][ T8744] IPVS: ftp: loaded support on port[0] = 21 [ 67.925690][ T8740] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.935867][ T8740] device bridge_slave_1 entered promiscuous mode [ 67.984438][ T8738] team0: Port device team_slave_0 added [ 67.991808][ T8740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.012931][ T8740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:40:37 executing program 3: r0 = socket$kcm(0x10, 0x2, 0x0) r1 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e0000001c008105e00f80ecdb4cb9f207c804a01c000000d00305000a0002000a0ada1b10d805000500c50083b8", 0xa4}], 0x1}, 0x0) sendmsg$kcm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e0000001c008105e00f80ecdb4cb9f207c804a01c000000d00305000a0002000a0ada1b10d805000500c50083b8", 0xa4}], 0x1}, 0x0) [ 68.035838][ T8738] team0: Port device team_slave_1 added [ 68.057879][ T8740] team0: Port device team_slave_0 added [ 68.081529][ T8740] team0: Port device team_slave_1 added [ 68.164023][ T8740] device hsr_slave_0 entered promiscuous mode [ 68.221286][ T8740] device hsr_slave_1 entered promiscuous mode 01:40:37 executing program 4: r0 = socket(0x10, 0x3, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000100)="24000000520007031dfffd946f610500070000006700000077000000421ba3a20600ff7e280000001100ffffba16a0aa1c0900000000000013000000000000eff24d8238cfa47e23f7efbf54", 0x4c}], 0x1}, 0x0) [ 68.324555][ T8738] device hsr_slave_0 entered promiscuous mode [ 68.391413][ T8738] device hsr_slave_1 entered promiscuous mode [ 68.441817][ T8738] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.449804][ T8738] Cannot create hsr debugfs directory 01:40:38 executing program 5: r0 = syz_open_dev$sg(&(0x7f0000000180)='/dev/sg#\x00', 0x0, 0x0) syz_open_dev$sg(0x0, 0x0, 0x0) close(r0) [ 68.486322][ T8748] IPVS: ftp: loaded support on port[0] = 21 [ 68.496146][ T8746] IPVS: ftp: loaded support on port[0] = 21 [ 68.593294][ T8744] chnl_net:caif_netlink_parms(): no params data found [ 68.713444][ T8751] IPVS: ftp: loaded support on port[0] = 21 [ 68.740724][ T8740] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.774474][ T8740] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.834588][ T8740] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.905472][ T8740] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.952565][ T8744] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.959681][ T8744] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.968592][ T8744] device bridge_slave_0 entered promiscuous mode [ 68.978851][ T8744] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.986896][ T8744] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.994794][ T8744] device bridge_slave_1 entered promiscuous mode [ 69.066119][ T8744] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.082906][ T8744] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.100033][ T8746] chnl_net:caif_netlink_parms(): no params data found [ 69.148725][ T8744] team0: Port device team_slave_0 added [ 69.158664][ T8744] team0: Port device team_slave_1 added [ 69.173239][ T8738] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.252651][ T8738] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.294736][ T8738] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.387430][ T8746] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.395581][ T8746] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.404056][ T8746] device bridge_slave_0 entered promiscuous mode [ 69.414788][ T8738] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.513790][ T8744] device hsr_slave_0 entered promiscuous mode [ 69.561221][ T8744] device hsr_slave_1 entered promiscuous mode [ 69.611076][ T8744] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.618801][ T8744] Cannot create hsr debugfs directory [ 69.632525][ T8746] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.639627][ T8746] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.647586][ T8746] device bridge_slave_1 entered promiscuous mode [ 69.667194][ T8746] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.679492][ T8746] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.702956][ T8748] chnl_net:caif_netlink_parms(): no params data found [ 69.744674][ T8746] team0: Port device team_slave_0 added [ 69.791988][ T8746] team0: Port device team_slave_1 added [ 69.827709][ T8751] chnl_net:caif_netlink_parms(): no params data found [ 69.852503][ T8748] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.859606][ T8748] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.870677][ T8748] device bridge_slave_0 entered promiscuous mode [ 69.953888][ T8746] device hsr_slave_0 entered promiscuous mode [ 70.011380][ T8746] device hsr_slave_1 entered promiscuous mode [ 70.051494][ T8746] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.059098][ T8746] Cannot create hsr debugfs directory [ 70.065108][ T8748] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.072577][ T8748] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.080400][ T8748] device bridge_slave_1 entered promiscuous mode [ 70.103378][ T8748] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.115763][ T8748] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.138926][ T8740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.169069][ T8751] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.176837][ T8751] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.187510][ T8751] device bridge_slave_0 entered promiscuous mode [ 70.228341][ T8751] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.235758][ T8751] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.246775][ T8751] device bridge_slave_1 entered promiscuous mode [ 70.262488][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.271519][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.284736][ T8748] team0: Port device team_slave_0 added [ 70.305066][ T8740] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.319354][ T8751] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.332048][ T8751] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.342438][ T8748] team0: Port device team_slave_1 added [ 70.374824][ T8738] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.389020][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.398316][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.407161][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.414386][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.422642][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.431775][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.440077][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.447452][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.455291][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.470004][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.478865][ T8744] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.520328][ T8738] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.553977][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.562563][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.570232][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.578916][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.587785][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.597039][ T8744] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.653525][ T8744] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.695467][ T8751] team0: Port device team_slave_0 added [ 70.707208][ T8751] team0: Port device team_slave_1 added [ 70.725764][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.734358][ T8744] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.844156][ T8751] device hsr_slave_0 entered promiscuous mode [ 70.884104][ T8751] device hsr_slave_1 entered promiscuous mode [ 70.931030][ T8751] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.938929][ T8751] Cannot create hsr debugfs directory [ 70.945358][ T8746] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.083694][ T8748] device hsr_slave_0 entered promiscuous mode [ 71.131456][ T8748] device hsr_slave_1 entered promiscuous mode [ 71.171210][ T8748] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.179264][ T8748] Cannot create hsr debugfs directory [ 71.195545][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.204139][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.213788][ T2674] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.220941][ T2674] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.228601][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.238284][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.248065][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.273897][ T8746] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.329895][ T8752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.344231][ T8752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.353340][ T8752] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.360410][ T8752] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.368304][ T8752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.377050][ T8752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.385819][ T8752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.397702][ T8740] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.410321][ T8740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.433794][ T8746] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.476016][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.484804][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.508495][ T8746] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.548296][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.572465][ T8740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.600143][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.609711][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.618073][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.626898][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.670273][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.682074][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.691012][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.704605][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.714208][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.775416][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.787875][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.796367][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.805295][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.814752][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.823523][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.832554][ T8751] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.875473][ T8738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.887687][ T8740] device veth0_vlan entered promiscuous mode [ 71.909610][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.918683][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.926672][ T8751] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.989246][ T8751] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.047647][ T8744] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.065095][ T8748] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.093281][ T8751] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.141850][ T8744] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.160994][ T8748] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.183617][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.193811][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.201824][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.209581][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.217912][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.226777][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.235274][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.242404][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.251837][ T8738] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.259402][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.270649][ T8740] device veth1_vlan entered promiscuous mode [ 72.282934][ T8748] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.344278][ T8748] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.402439][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.413782][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.423092][ T8755] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.430382][ T8755] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.442539][ T8746] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.481337][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.490032][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.513771][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.522870][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.531568][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.540315][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.549604][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.558549][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.617471][ T8744] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.636833][ T8744] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.660342][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.669089][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.684199][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.696774][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.708849][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.723590][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.735227][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.746279][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.780834][ T8738] device veth0_vlan entered promiscuous mode [ 72.806672][ T8738] device veth1_vlan entered promiscuous mode [ 177.650889][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 177.658231][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8760 [ 177.665965][ C0] (detected by 0, t=10503 jiffies, g=7177, q=359) [ 177.672757][ C0] syz-executor.1 R running task 28792 8760 8740 0x0000400a [ 177.681009][ C0] Call Trace: [ 177.684286][ C0] [ 177.687135][ C0] sched_show_task+0x40f/0x560 [ 177.692041][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 177.697363][ C0] update_process_times+0x12d/0x180 [ 177.702571][ C0] tick_sched_timer+0x263/0x420 [ 177.707424][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.712967][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.718201][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.723153][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.729341][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.734928][ C0] apic_timer_interrupt+0xf/0x20 [ 177.739887][ C0] [ 177.742835][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 177.749366][ C0] Code: 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 <65> 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 [ 177.769172][ C0] RSP: 0018:ffffc90002b57a20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.777617][ C0] RAX: ffffffff814896c6 RBX: ffffea000215d080 RCX: 0000000000000000 [ 177.785691][ C0] RDX: ffffc90004e69000 RSI: 00000000fffffffc RDI: ffffea000215d080 [ 177.793703][ C0] RBP: ffffc90002b57a48 R08: dffffc0000000000 R09: fffffbfff124248a [ 177.801674][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809a594020 [ 177.810272][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a82398f8 [ 177.818283][ C0] ? mod_memcg_page_state+0x16/0x190 [ 177.823786][ C0] ? mod_memcg_page_state+0x16/0x190 [ 177.829798][ C0] free_thread_stack+0x168/0x590 [ 177.834839][ C0] put_task_stack+0xa3/0x130 [ 177.839792][ C0] finish_task_switch+0x3f1/0x550 [ 177.844940][ C0] __schedule+0x9a8/0xcc0 [ 177.849304][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 177.855499][ C0] preempt_schedule_notrace+0xdb/0x120 [ 177.861015][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 177.866926][ C0] ? rcu_is_watching+0x57/0xa0 [ 177.871689][ C0] rcu_is_watching+0x82/0xa0 [ 177.876441][ C0] memcg_kmem_get_cache+0x2e8/0x570 [ 177.881833][ C0] ? __should_failslab+0x11a/0x160 [ 177.887285][ C0] ? sk_prot_alloc+0x60/0x290 [ 177.891968][ C0] kmem_cache_alloc+0x86/0x2e0 [ 177.897349][ C0] sk_prot_alloc+0x60/0x290 [ 177.901849][ C0] sk_alloc+0x38/0x9c0 [ 177.906004][ C0] unix_create1+0x91/0x560 [ 177.910411][ C0] ? rcu_lock_release+0x9/0x30 [ 177.915193][ C0] unix_create+0x136/0x1c0 [ 177.919618][ C0] __sock_create+0x5cc/0x910 [ 177.924230][ C0] __sys_socket+0xe7/0x2e0 [ 177.928688][ C0] __x64_sys_socket+0x7a/0x90 [ 177.933367][ C0] do_syscall_64+0xf7/0x1c0 [ 177.937905][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.943800][ C0] RIP: 0033:0x45af49 [ 177.947716][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 177.969082][ C0] RSP: 002b:00007fc98bcdfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 177.977600][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 177.985808][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 177.994289][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 178.002779][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc98bce06d4 [ 178.010758][ C0] R13: 00000000004cba9f R14: 00000000004e63c0 R15: 00000000ffffffff [ 178.018776][ C0] rcu: rcu_preempt kthread starved for 10509 jiffies! g7177 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 178.029931][ C0] rcu: RCU grace-period kthread stack dump: [ 178.036439][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 178.044354][ C0] Call Trace: [ 178.047674][ C0] __schedule+0x9a0/0xcc0 [ 178.052264][ C0] schedule+0x181/0x210 [ 178.056450][ C0] schedule_timeout+0x14f/0x240 [ 178.061492][ C0] ? run_local_timers+0x120/0x120 [ 178.066548][ C0] rcu_gp_kthread+0xed8/0x1770 [ 178.071350][ C0] kthread+0x332/0x350 [ 178.075441][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 178.080561][ C0] ? kthread_blkcg+0xe0/0xe0 [ 178.085405][ C0] ret_from_fork+0x24/0x30