[ 56.894664][ T23] audit: type=1800 audit(1578468522.419:25): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.913870][ T23] audit: type=1800 audit(1578468522.429:26): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.948670][ T23] audit: type=1800 audit(1578468522.429:27): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 56.982943][ T23] audit: type=1800 audit(1578468522.429:28): pid=8447 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 '10.128.0.71' (ECDSA) to the list of known hosts. 2020/01/08 07:28:52 fuzzer started 2020/01/08 07:28:54 dialing manager at 10.128.0.26:35703 2020/01/08 07:28:54 syscalls: 2824 2020/01/08 07:28:54 code coverage: enabled 2020/01/08 07:28:54 comparison tracing: enabled 2020/01/08 07:28:54 extra coverage: enabled 2020/01/08 07:28:54 setuid sandbox: enabled 2020/01/08 07:28:54 namespace sandbox: enabled 2020/01/08 07:28:54 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:28:54 fault injection: enabled 2020/01/08 07:28:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:28:54 net packet injection: enabled 2020/01/08 07:28:54 net device setup: enabled 2020/01/08 07:28:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:28:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:28:55 executing program 0: mkdir(&(0x7f0000000240)='./file0\x00', 0x0) mount$bpf(0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='gid=', @ANYRESHEX=0x0]) mount(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000)='hugetlbfs\x00', 0x0, &(0x7f0000000200)) 07:28:55 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) sendmsg(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xffffffffffffff18, &(0x7f0000000100)=[{&(0x7f0000000000)="2f0000001c0005c5ffffff000d000000020000000b000000ec0091c913000180f0ffffeb", 0x1dd}], 0x1}, 0x0) r1 = socket(0x10, 0x80002, 0x0) write(0xffffffffffffffff, &(0x7f0000000000)="fc0000001c00071bab0925000900070007", 0x11) sendmmsg$alg(r1, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000100)}], 0x492492492492805, 0x0) syzkaller login: [ 69.905891][ T8615] IPVS: ftp: loaded support on port[0] = 21 07:28:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sync() [ 70.078495][ T8617] IPVS: ftp: loaded support on port[0] = 21 [ 70.106991][ T8615] chnl_net:caif_netlink_parms(): no params data found [ 70.225577][ T8615] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.248671][ T8615] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.256790][ T8615] device bridge_slave_0 entered promiscuous mode [ 70.288664][ T8615] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.295716][ T8615] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.319498][ T8615] device bridge_slave_1 entered promiscuous mode 07:28:55 executing program 3: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4010ae68, &(0x7f0000bf7000)={0x0, 0xf48241746e8d9a31, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) [ 70.354143][ T8620] IPVS: ftp: loaded support on port[0] = 21 [ 70.381176][ T8615] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.418515][ T8615] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.447426][ T8617] chnl_net:caif_netlink_parms(): no params data found [ 70.510731][ T8615] team0: Port device team_slave_0 added [ 70.571962][ T8615] team0: Port device team_slave_1 added [ 70.597840][ T8617] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.607166][ T8617] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.615110][ T8617] device bridge_slave_0 entered promiscuous mode 07:28:56 executing program 4: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x8000, 0x0) setsockopt$bt_hci_HCI_DATA_DIR(r0, 0x0, 0x1, &(0x7f0000000280)=0x3, 0x4) r1 = socket$inet6(0xa, 0x803, 0x2) r2 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$inet6_icmp_ICMP_FILTER(r2, 0x1, 0x21, &(0x7f0000000900), 0x4) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r2, 0x29, 0xd2, &(0x7f0000000200)={{0xa, 0x4e24, 0x3ff, @initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x5}, {0xa, 0x4e21, 0x7, @rand_addr="b8e45a1f54e0faa83702abf2b3d650e7", 0x2}, 0x6, [0x4, 0x3, 0x7, 0x4, 0x3cd1, 0xfffffffd, 0x2400, 0xffff]}, 0x5c) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @local, 0x4}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000100)={{{@in=@loopback, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x80000000000001}, {{@in=@remote, 0x0, 0x3c}, 0x2, @in=@empty, 0x0, 0x4, 0x0, 0x3}}, 0xe8) sendmmsg(r1, &(0x7f0000008440)=[{{0x0, 0x1aa, 0x0}}], 0x400000000000107, 0x0) setsockopt$ALG_SET_KEY(0xffffffffffffffff, 0x117, 0x1, &(0x7f0000000180), 0x0) [ 70.654121][ T8617] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.663788][ T8617] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.672708][ T8617] device bridge_slave_1 entered promiscuous mode [ 70.690730][ T8624] IPVS: ftp: loaded support on port[0] = 21 [ 70.731742][ T8615] device hsr_slave_0 entered promiscuous mode 07:28:56 executing program 5: timer_create(0x0, &(0x7f0000000300)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000080)) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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) clock_nanosleep(0x0, 0x0, &(0x7f0000000140)={0x0, r0+30000000}, &(0x7f00000001c0)) timer_settime(0x0, 0x0, &(0x7f0000000340)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000200)=0x0) timer_settime(r1, 0x0, &(0x7f0000000180)={{0x0, 0x1c9c380}, {0x0, 0x1c9c380}}, 0x0) [ 70.878864][ T8615] device hsr_slave_1 entered promiscuous mode [ 70.980243][ T8617] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.996209][ T8617] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.031516][ T8620] chnl_net:caif_netlink_parms(): no params data found [ 71.050558][ T8617] team0: Port device team_slave_0 added [ 71.060854][ T8617] team0: Port device team_slave_1 added [ 71.075839][ T8627] IPVS: ftp: loaded support on port[0] = 21 [ 71.091523][ T8629] IPVS: ftp: loaded support on port[0] = 21 [ 71.152626][ T8620] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.161551][ T8620] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.169589][ T8620] device bridge_slave_0 entered promiscuous mode [ 71.178474][ T8620] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.185598][ T8620] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.193933][ T8620] device bridge_slave_1 entered promiscuous mode [ 71.251176][ T8617] device hsr_slave_0 entered promiscuous mode [ 71.318819][ T8617] device hsr_slave_1 entered promiscuous mode [ 71.370107][ T8617] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.377811][ T8617] Cannot create hsr debugfs directory [ 71.453338][ T8620] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.485766][ T8620] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.500595][ T8615] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.552882][ T8615] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.648475][ T8615] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.711486][ T8620] team0: Port device team_slave_0 added [ 71.726565][ T8624] chnl_net:caif_netlink_parms(): no params data found [ 71.742518][ T8615] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.801509][ T8620] team0: Port device team_slave_1 added [ 71.830073][ T8617] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.923645][ T8617] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.003300][ T8617] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.060719][ T8627] chnl_net:caif_netlink_parms(): no params data found [ 72.121597][ T8620] device hsr_slave_0 entered promiscuous mode [ 72.188900][ T8620] device hsr_slave_1 entered promiscuous mode [ 72.218803][ T8620] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.226365][ T8620] Cannot create hsr debugfs directory [ 72.244578][ T8617] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.366249][ T8624] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.375393][ T8624] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.384679][ T8624] device bridge_slave_0 entered promiscuous mode [ 72.396791][ T8624] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.404913][ T8624] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.412608][ T8624] device bridge_slave_1 entered promiscuous mode [ 72.487055][ T8627] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.495308][ T8627] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.502998][ T8627] device bridge_slave_0 entered promiscuous mode [ 72.512907][ T8620] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.562024][ T8624] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.574424][ T8624] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.589480][ T8627] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.596535][ T8627] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.604323][ T8627] device bridge_slave_1 entered promiscuous mode [ 72.617068][ T8620] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.689822][ T8627] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.699886][ T8629] chnl_net:caif_netlink_parms(): no params data found [ 72.710450][ T8620] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.751667][ T8624] team0: Port device team_slave_0 added [ 72.757469][ T8620] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 72.805175][ T8627] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.821367][ T8624] team0: Port device team_slave_1 added [ 72.850437][ T8627] team0: Port device team_slave_0 added [ 72.859085][ T8627] team0: Port device team_slave_1 added [ 72.895747][ T8629] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.903880][ T8629] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.911730][ T8629] device bridge_slave_0 entered promiscuous mode [ 72.981603][ T8624] device hsr_slave_0 entered promiscuous mode [ 73.028975][ T8624] device hsr_slave_1 entered promiscuous mode [ 73.058694][ T8624] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.066253][ T8624] Cannot create hsr debugfs directory [ 73.073323][ T8629] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.080983][ T8629] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.088900][ T8629] device bridge_slave_1 entered promiscuous mode [ 73.162099][ T8627] device hsr_slave_0 entered promiscuous mode [ 73.209189][ T8627] device hsr_slave_1 entered promiscuous mode [ 73.258714][ T8627] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.266284][ T8627] Cannot create hsr debugfs directory [ 73.296829][ T8629] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.309925][ T8615] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.336366][ T8629] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.373480][ T8629] team0: Port device team_slave_0 added [ 73.402273][ T8629] team0: Port device team_slave_1 added [ 73.418910][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.427288][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.437667][ T8617] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.448056][ T8615] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.501713][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.511433][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.520208][ T3205] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.527296][ T3205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.535235][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.543798][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.552173][ T3205] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.559243][ T3205] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.567023][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.641300][ T8629] device hsr_slave_0 entered promiscuous mode [ 73.679359][ T8629] device hsr_slave_1 entered promiscuous mode [ 73.718668][ T8629] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.726263][ T8629] Cannot create hsr debugfs directory [ 73.756152][ T8617] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.780241][ T8620] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.791575][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.800017][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.807524][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.816620][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.845926][ T8627] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.879916][ T8624] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.931021][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.939785][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.948039][ T3204] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.955110][ T3204] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.962971][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.971859][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.980715][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.988504][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.005482][ T8620] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.020165][ T8627] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.070726][ T8627] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.100859][ T8624] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.160734][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.172307][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.180993][ T3204] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.188102][ T3204] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.195706][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.204600][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.212262][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.219952][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.240944][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.251485][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.260271][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.269066][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.277628][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.286326][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.294462][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.303537][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.312305][ T2884] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.319497][ T2884] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.326994][ T8627] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.396298][ T8624] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.434506][ T8624] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.490094][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.497808][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.505735][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.514468][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.523460][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.532169][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.540587][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.549235][ T2890] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.557451][ T2890] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.564530][ T2890] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.593293][ T8615] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.605485][ T8615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.618976][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.627204][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.638752][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.647097][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.655971][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.668435][ T8617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.685309][ T8629] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 74.741523][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.753337][ T8629] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 74.831684][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.840797][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.848200][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.857329][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.866111][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.875738][ T8629] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 74.961020][ T8615] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.979372][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.986787][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.995030][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.004031][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.012682][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.021088][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.033186][ T8629] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.091152][ T8617] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.107301][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.115905][ T3204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.125339][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.159112][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.167812][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.176842][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.185264][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.202201][ T8624] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.221389][ T8615] device veth0_vlan entered promiscuous mode [ 75.236534][ T8620] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.243916][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.252087][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.259938][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.267408][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.283877][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.293051][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.311500][ T8624] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.325948][ T8615] device veth1_vlan entered promiscuous mode [ 75.339646][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.347574][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.355897][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.363816][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.371442][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.380009][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.388209][ T2897] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.395295][ T2897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.403197][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.447681][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.456899][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.469658][ T2897] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.476729][ T2897] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.485027][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.494350][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.503096][ T2897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.533181][ T8627] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.550098][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.569618][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.578287][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.600267][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.609627][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.618043][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.627147][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.635937][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.644626][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.656111][ T3039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 180.578549][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 180.585301][ C0] rcu: 0-...!: (10499 ticks this GP) idle=1be/1/0x4000000000000002 softirq=15260/15260 fqs=3 [ 180.595780][ C0] (t=10500 jiffies g=7117 q=104) [ 180.600794][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g7117 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 180.611874][ C0] rcu: RCU grace-period kthread stack dump: [ 180.617749][ C0] rcu_preempt R running task 28992 10 2 0x80004000 [ 180.625637][ C0] Call Trace: [ 180.628919][ C0] __schedule+0x9a0/0xcc0 [ 180.633254][ C0] schedule+0x181/0x210 [ 180.637396][ C0] schedule_timeout+0x14f/0x240 [ 180.642239][ C0] ? run_local_timers+0x120/0x120 [ 180.647256][ C0] rcu_gp_kthread+0xed8/0x1770 [ 180.652015][ C0] kthread+0x332/0x350 [ 180.656153][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 180.661251][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.665829][ C0] ret_from_fork+0x24/0x30 [ 180.670243][ C0] NMI backtrace for cpu 0 [ 180.674562][ C0] CPU: 0 PID: 88 Comm: kworker/u4:3 Not tainted 5.5.0-rc5-syzkaller #0 [ 180.682777][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.692917][ C0] Workqueue: 0x0 (bat_events) [ 180.697674][ C0] Call Trace: [ 180.700945][ C0] [ 180.703787][ C0] dump_stack+0x1fb/0x318 [ 180.708106][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 180.712949][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 180.719087][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 180.725141][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 180.731107][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 180.737011][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 180.742126][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 180.747323][ C0] ? trace_hardirqs_off+0x74/0x80 [ 180.752345][ C0] update_process_times+0x12d/0x180 [ 180.757541][ C0] tick_sched_timer+0x263/0x420 [ 180.762384][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 180.767917][ C0] __hrtimer_run_queues+0x403/0x840 [ 180.773118][ C0] hrtimer_interrupt+0x38c/0xda0 [ 180.779811][ C0] ? debug_smp_processor_id+0x9/0x20 [ 180.785086][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 180.790622][ C0] apic_timer_interrupt+0xf/0x20 [ 180.795544][ C0] [ 180.798471][ C0] RIP: 0010:__memcg_kmem_uncharge+0x138/0x1a0 [ 180.804523][ C0] Code: 42 8a 04 28 84 c0 75 3b f6 03 01 75 10 49 83 c7 10 4c 89 ff 48 8b 75 d0 e8 f5 90 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 44 89 e1 80 e1 07 80 c1 03 38 c1 7c 96 4c 89 e7 e8 11 06 fb [ 180.824111][ C0] RSP: 0018:ffffc90001177c20 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 180.832519][ C0] RAX: 0000000000000001 RBX: ffffea0002870c80 RCX: 0000000000000000 [ 180.840498][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002870c80 [ 180.848465][ C0] RBP: ffffc90001177c20 R08: dffffc0000000000 R09: fffffbfff124248a [ 180.856433][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a2ae4ca0 [ 180.864406][ C0] R13: dffffc0000000000 R14: 1ffff1101455c994 R15: ffff8880931957b8 [ 180.872414][ C0] free_thread_stack+0x12e/0x590 [ 180.877353][ C0] put_task_stack+0xa3/0x130 [ 180.881932][ C0] finish_task_switch+0x3f1/0x550 [ 180.886951][ C0] __schedule+0x9a8/0xcc0 [ 180.891279][ C0] schedule+0x181/0x210 [ 180.895447][ C0] worker_thread+0x10d6/0x1630 [ 180.900237][ C0] kthread+0x332/0x350 [ 180.904309][ C0] ? rcu_lock_release+0x30/0x30 [ 180.909159][ C0] ? kthread_blkcg+0xe0/0xe0 [ 180.913740][ C0] ret_from_fork+0x24/0x30