[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.545697][ T27] audit: type=1800 audit(1578481155.175:25): pid=8417 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.574990][ T27] audit: type=1800 audit(1578481155.175:26): pid=8417 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.613400][ T27] audit: type=1800 audit(1578481155.175:27): pid=8417 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 '10.128.0.191' (ECDSA) to the list of known hosts. 2020/01/08 10:59:23 fuzzer started 2020/01/08 10:59:24 dialing manager at 10.128.0.26:35703 2020/01/08 10:59:24 syscalls: 2824 2020/01/08 10:59:24 code coverage: enabled 2020/01/08 10:59:24 comparison tracing: enabled 2020/01/08 10:59:24 extra coverage: enabled 2020/01/08 10:59:24 setuid sandbox: enabled 2020/01/08 10:59:24 namespace sandbox: enabled 2020/01/08 10:59:24 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:59:24 fault injection: enabled 2020/01/08 10:59:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:59:24 net packet injection: enabled 2020/01/08 10:59:24 net device setup: enabled 2020/01/08 10:59:24 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:59:24 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:59:25 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet(0x2, 0x100000000805, 0x0) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r3, 0x84, 0x1e, &(0x7f0000745ffc), &(0x7f0000b96000)=0x35b) 10:59:26 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") munlock(&(0x7f0000001000/0x1000)=nil, 0xffffffffdfffefff) syzkaller login: [ 64.422756][ T8584] IPVS: ftp: loaded support on port[0] = 21 [ 64.583529][ T8587] IPVS: ftp: loaded support on port[0] = 21 [ 64.606807][ T8584] chnl_net:caif_netlink_parms(): no params data found 10:59:26 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x3c) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2, 0x9}, 0x1c) sendmsg(r0, &(0x7f0000000a40)={0x0, 0x11, &(0x7f0000000380)=[{&(0x7f00000003c0)="339a", 0x2d05}], 0x1}, 0x0) [ 64.719811][ T8584] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.728827][ T8584] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.737376][ T8584] device bridge_slave_0 entered promiscuous mode [ 64.788727][ T8584] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.796756][ T8584] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.804588][ T8584] device bridge_slave_1 entered promiscuous mode [ 64.832512][ T8587] chnl_net:caif_netlink_parms(): no params data found [ 64.857750][ T8590] IPVS: ftp: loaded support on port[0] = 21 [ 64.914273][ T8584] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.947300][ T8584] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.957700][ T8587] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.964763][ T8587] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.973306][ T8587] device bridge_slave_0 entered promiscuous mode [ 64.999260][ T8584] team0: Port device team_slave_0 added [ 65.005305][ T8587] bridge0: port 2(bridge_slave_1) entered blocking state 10:59:26 executing program 3: r0 = signalfd4(0xffffffffffffffff, &(0x7f00000000c0), 0x8, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f000001bff4)) rt_sigprocmask(0x0, &(0x7f0000000140)={0xfffffffffffffffe}, 0x0, 0x8) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$TIPC_NL_LINK_GET(r3, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 0x0) ppoll(&(0x7f0000000080)=[{r1}], 0x2000000000000038, 0x0, 0x0, 0x358) [ 65.012353][ T8587] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.032852][ T8587] device bridge_slave_1 entered promiscuous mode [ 65.055733][ T8584] team0: Port device team_slave_1 added [ 65.096326][ T8587] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.107280][ T8587] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 10:59:26 executing program 4: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f00000002c0)="2e00000010008108040f80ecdb4cb92e0a480e180f000000e8bd6efb120009000e000100400000ff050005001201", 0x2e}], 0x1}, 0x0) [ 65.217805][ T8584] device hsr_slave_0 entered promiscuous mode [ 65.245371][ T8584] device hsr_slave_1 entered promiscuous mode [ 65.373984][ T8590] chnl_net:caif_netlink_parms(): no params data found [ 65.408831][ T8587] team0: Port device team_slave_0 added [ 65.420272][ T8592] IPVS: ftp: loaded support on port[0] = 21 [ 65.433609][ T8595] IPVS: ftp: loaded support on port[0] = 21 10:59:27 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) writev(0xffffffffffffffff, &(0x7f00000001c0)=[{&(0x7f00000000c0)="0400ff", 0x3}], 0x1) r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) syz_read_part_table(0x0, 0x1bf, &(0x7f0000000080)=[{&(0x7f0000000000)="0201fdffffff01000000ff07000000000000550008000000000000000040000000006300000000000000887700720030b5829237c300000000000080000055aa", 0x40, 0x1c0}]) [ 65.472468][ T8587] team0: Port device team_slave_1 added [ 65.567522][ T8587] device hsr_slave_0 entered promiscuous mode [ 65.625305][ T8587] device hsr_slave_1 entered promiscuous mode [ 65.684993][ T8587] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.692764][ T8587] Cannot create hsr debugfs directory [ 65.749835][ T8590] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.757622][ T8590] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.765344][ T8590] device bridge_slave_0 entered promiscuous mode [ 65.774113][ T8590] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.781264][ T8590] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.789051][ T8590] device bridge_slave_1 entered promiscuous mode [ 65.801858][ T8597] IPVS: ftp: loaded support on port[0] = 21 [ 65.857793][ T8590] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.869003][ T8590] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.931372][ T8590] team0: Port device team_slave_0 added [ 65.943631][ T8590] team0: Port device team_slave_1 added [ 65.977498][ T8584] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.019413][ T8584] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.109501][ T8587] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.187206][ T8584] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.256572][ T8590] device hsr_slave_0 entered promiscuous mode [ 66.305142][ T8590] device hsr_slave_1 entered promiscuous mode [ 66.355025][ T8590] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.362601][ T8590] Cannot create hsr debugfs directory [ 66.373201][ T8595] chnl_net:caif_netlink_parms(): no params data found [ 66.394539][ T8587] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.447507][ T8584] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.500479][ T8592] chnl_net:caif_netlink_parms(): no params data found [ 66.515522][ T8587] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.590249][ T8587] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.668302][ T8595] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.676106][ T8595] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.683695][ T8595] device bridge_slave_0 entered promiscuous mode [ 66.693947][ T8595] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.701242][ T8595] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.709680][ T8595] device bridge_slave_1 entered promiscuous mode [ 66.757914][ T8595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.770776][ T8595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.817183][ T8592] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.824305][ T8592] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.833632][ T8592] device bridge_slave_0 entered promiscuous mode [ 66.849271][ T8597] chnl_net:caif_netlink_parms(): no params data found [ 66.863509][ T8592] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.874926][ T8592] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.882582][ T8592] device bridge_slave_1 entered promiscuous mode [ 66.896679][ T8595] team0: Port device team_slave_0 added [ 66.932374][ T8595] team0: Port device team_slave_1 added [ 66.951286][ T8587] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.960197][ T8592] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.998599][ T8592] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.022876][ T8592] team0: Port device team_slave_0 added [ 67.033796][ T8597] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.042982][ T8597] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.050799][ T8597] device bridge_slave_0 entered promiscuous mode [ 67.059320][ T8592] team0: Port device team_slave_1 added [ 67.083114][ T8587] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.167538][ T8595] device hsr_slave_0 entered promiscuous mode [ 67.215232][ T8595] device hsr_slave_1 entered promiscuous mode [ 67.264915][ T8595] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.272493][ T8595] Cannot create hsr debugfs directory [ 67.278321][ T8597] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.285739][ T8597] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.293299][ T8597] device bridge_slave_1 entered promiscuous mode [ 67.323158][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.332655][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.349869][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.358705][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.367642][ T3044] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.374769][ T3044] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.382850][ T8590] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.437886][ T8590] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.537581][ T8592] device hsr_slave_0 entered promiscuous mode [ 67.575350][ T8592] device hsr_slave_1 entered promiscuous mode [ 67.634897][ T8592] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.642482][ T8592] Cannot create hsr debugfs directory [ 67.650034][ T8597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.667233][ T8597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.682920][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.691186][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.699899][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.708779][ T3009] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.715867][ T3009] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.725427][ T8590] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.783122][ T8590] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.847461][ T8597] team0: Port device team_slave_0 added [ 67.856328][ T8597] team0: Port device team_slave_1 added [ 67.867983][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.949391][ T8597] device hsr_slave_0 entered promiscuous mode [ 68.015204][ T8597] device hsr_slave_1 entered promiscuous mode [ 68.055005][ T8597] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.062576][ T8597] Cannot create hsr debugfs directory [ 68.070383][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.083966][ T8584] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.109870][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.118563][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.127030][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.135687][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.153046][ T8584] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.178080][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.189947][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.197870][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.205649][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.213804][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.244016][ T8592] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.301342][ T8587] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.312835][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.321533][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.330055][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.338491][ T3044] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.345560][ T3044] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.353041][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.361551][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.369800][ T3044] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.376882][ T3044] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.384308][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.392722][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.401245][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.411977][ T8595] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.456981][ T8595] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.496851][ T8592] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.555984][ T8595] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.596181][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.604674][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.613739][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.622260][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.630865][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.638734][ T8592] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.725601][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.733090][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.744252][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.753001][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.762382][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.770681][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.779700][ T8595] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.828358][ T8592] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.901627][ T8587] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.913387][ T8584] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.924516][ T8584] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.934410][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.942885][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.991295][ T8590] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.020622][ T8597] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.058899][ T8597] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.122048][ T8590] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.129097][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.137792][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.146878][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.154243][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.161998][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.169800][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.183811][ T8584] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.195082][ T8587] device veth0_vlan entered promiscuous mode [ 69.205916][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.214329][ T3044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.223261][ T8597] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.246692][ T8597] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.297900][ T8587] device veth1_vlan entered promiscuous mode [ 69.311500][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.319097][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.326858][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.344135][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.353136][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.362212][ T2754] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.369308][ T2754] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.376977][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.385550][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.393808][ T2754] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.400900][ T2754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.408510][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.450157][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.458298][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.467123][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.476032][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.485215][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.493789][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.502672][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.511303][ T2752] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.535717][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.544252][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.588584][ T8590] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.603973][ T8590] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.640399][ T8592] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.659813][ T8592] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.737279][ T8592] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.753196][ T8592] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.792699][ T8592] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.844661][ T8592] device veth0_vlan entered promiscuous mode [ 69.858721][ T8592] device veth1_vlan entered promiscuous mode [ 174.614807][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.621629][ C1] rcu: 1-...!: (10499 ticks this GP) idle=cc6/1/0x4000000000000002 softirq=13958/13958 fqs=38 [ 174.632213][ C1] (t=10500 jiffies g=6757 q=710) [ 174.637229][ C1] rcu: rcu_preempt kthread starved for 10421 jiffies! g6757 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 174.648309][ C1] rcu: RCU grace-period kthread stack dump: [ 174.654194][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 174.662081][ C1] Call Trace: [ 174.665367][ C1] __schedule+0x9a0/0xcc0 [ 174.669723][ C1] schedule+0x181/0x210 [ 174.673880][ C1] schedule_timeout+0x14f/0x240 [ 174.678754][ C1] ? run_local_timers+0x120/0x120 [ 174.683787][ C1] rcu_gp_kthread+0xed8/0x1770 [ 174.688569][ C1] kthread+0x332/0x350 [ 174.692631][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 174.697733][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.702314][ C1] ret_from_fork+0x24/0x30 [ 174.706738][ C1] NMI backtrace for cpu 1 [ 174.711053][ C1] CPU: 1 PID: 8603 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.719756][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.729821][ C1] Call Trace: [ 174.733095][ C1] [ 174.735942][ C1] dump_stack+0x1fb/0x318 [ 174.740266][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.745105][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.751251][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.757324][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.763328][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.769216][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.774329][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.779523][ C1] ? trace_hardirqs_off+0x74/0x80 [ 174.784543][ C1] update_process_times+0x12d/0x180 [ 174.789741][ C1] tick_sched_timer+0x263/0x420 [ 174.794581][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.800121][ C1] __hrtimer_run_queues+0x403/0x840 [ 174.805325][ C1] hrtimer_interrupt+0x38c/0xda0 [ 174.810268][ C1] ? debug_smp_processor_id+0x9/0x20 [ 174.815674][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 174.821228][ C1] apic_timer_interrupt+0xf/0x20 [ 174.826166][ C1] [ 174.829103][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 174.835248][ C1] Code: 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 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 174.854936][ C1] RSP: 0018:ffffc900023c7a48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.863344][ C1] RAX: ffffffff814896c6 RBX: ffffea0002a58f00 RCX: ffff8880968b0040 [ 174.871303][ C1] RDX: 0000000000000002 RSI: 00000000fffffffc RDI: ffffea0002a58f00 [ 174.879271][ C1] RBP: ffffc900023c7a70 R08: 000000000003a728 R09: ffffed1012ae42c9 [ 174.887230][ C1] R10: ffffed1012ae42c9 R11: 0000000000000000 R12: ffff888090b79420 [ 174.895203][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888095721638 [ 174.903178][ C1] ? mod_memcg_page_state+0x16/0x190 [ 174.908454][ C1] ? free_thread_stack+0x124/0x590 [ 174.913555][ C1] ? mod_memcg_page_state+0x16/0x190 [ 174.918832][ C1] free_thread_stack+0x168/0x590 [ 174.923759][ C1] put_task_stack+0xa3/0x130 [ 174.928340][ C1] finish_task_switch+0x3f1/0x550 [ 174.933355][ C1] __schedule+0x9a8/0xcc0 [ 174.937699][ C1] ? ___preempt_schedule_notrace+0x16/0x27 [ 174.943551][ C1] preempt_schedule_notrace+0xdb/0x120 [ 174.949012][ C1] ___preempt_schedule_notrace+0x16/0x27 [ 174.954647][ C1] ? rcu_is_watching+0x57/0xa0 [ 174.959408][ C1] rcu_is_watching+0x82/0xa0 [ 174.964000][ C1] memcg_kmem_get_cache+0x2e8/0x570 [ 174.969188][ C1] ? __should_failslab+0x11a/0x160 [ 174.974291][ C1] ? sk_prot_alloc+0x60/0x290 [ 174.978966][ C1] kmem_cache_alloc+0x86/0x2e0 [ 174.983730][ C1] sk_prot_alloc+0x60/0x290 [ 174.988228][ C1] sk_alloc+0x38/0x9c0 [ 174.992292][ C1] inet_create+0x5d3/0xda0 [ 174.996708][ C1] __sock_create+0x5cc/0x910 [ 175.001291][ C1] __sys_socket+0xe7/0x2e0 [ 175.005701][ C1] __x64_sys_socket+0x7a/0x90 [ 175.010367][ C1] do_syscall_64+0xf7/0x1c0 [ 175.014862][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.020745][ C1] RIP: 0033:0x45af49 [ 175.024646][ C1] 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 [ 175.044239][ C1] RSP: 002b:00007f82692c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 175.052640][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 175.060599][ C1] RDX: 0000000000000088 RSI: 0000000000000002 RDI: 0000000000000002 [ 175.068561][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 175.076529][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82692c36d4 [ 175.084512][ C1] R13: 00000000004cb954 R14: 00000000004e6198 R15: 00000000ffffffff