[ 50.645356][ T26] audit: type=1800 audit(1578469390.918:25): pid=8285 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.678840][ T26] audit: type=1800 audit(1578469390.928:26): pid=8285 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.724073][ T26] audit: type=1800 audit(1578469390.928:27): pid=8285 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 50.767846][ T26] audit: type=1800 audit(1578469390.928:28): pid=8285 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 '10.128.1.49' (ECDSA) to the list of known hosts. 2020/01/08 07:43:22 fuzzer started 2020/01/08 07:43:23 dialing manager at 10.128.0.26:35703 2020/01/08 07:43:23 syscalls: 2824 2020/01/08 07:43:23 code coverage: enabled 2020/01/08 07:43:23 comparison tracing: enabled 2020/01/08 07:43:23 extra coverage: enabled 2020/01/08 07:43:23 setuid sandbox: enabled 2020/01/08 07:43:23 namespace sandbox: enabled 2020/01/08 07:43:23 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:43:23 fault injection: enabled 2020/01/08 07:43:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:43:23 net packet injection: enabled 2020/01/08 07:43:23 net device setup: enabled 2020/01/08 07:43:23 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:43:23 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:43:24 executing program 0: r0 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x82, &(0x7f00000000c0), &(0x7f0000000400)=0x8) 07:43:24 executing program 1: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x11, 0x2, 0x0) r0 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)=[{&(0x7f0000000180)="39000000140081ae00003c000500018311001f9f66f9ba9d2c05acb612f691f3bd3508abca1b4e7db89c40ebb37358582bdbb7d553b4e92155", 0x39}], 0x1}, 0x0) syzkaller login: [ 64.092610][ T8449] IPVS: ftp: loaded support on port[0] = 21 07:43:24 executing program 2: unshare(0x20600) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = fcntl$dupfd(r0, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = open(&(0x7f0000000200)='./file0\x00', 0x4008040, 0x0) close(r3) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_DISCONNECT(r3, &(0x7f00000008c0)={0xa, 0x4}, 0xc) [ 64.254556][ T8449] chnl_net:caif_netlink_parms(): no params data found [ 64.264545][ T8451] IPVS: ftp: loaded support on port[0] = 21 [ 64.346215][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.369681][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.390131][ T8449] device bridge_slave_0 entered promiscuous mode [ 64.423331][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.439018][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.446666][ T8449] device bridge_slave_1 entered promiscuous mode [ 64.486708][ T8455] IPVS: ftp: loaded support on port[0] = 21 [ 64.521749][ T8449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 07:43:24 executing program 3: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f00000000c0)="250000002a000502d25a0004000000000800fc0010000b4002000000053582c137153e3709", 0x25}], 0x1}, 0x0) [ 64.555511][ T8449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.594927][ T8449] team0: Port device team_slave_0 added [ 64.622828][ T8449] team0: Port device team_slave_1 added [ 64.628586][ T8451] chnl_net:caif_netlink_parms(): no params data found 07:43:25 executing program 4: syz_mount_image$reiserfs(&(0x7f0000000000)='reiserfs\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)={[{@resize_auto='resize=auto'}]}) [ 64.803580][ T8449] device hsr_slave_0 entered promiscuous mode [ 64.861201][ T8449] device hsr_slave_1 entered promiscuous mode [ 64.915516][ T8458] IPVS: ftp: loaded support on port[0] = 21 07:43:25 executing program 5: mknod(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) lchown(&(0x7f0000000100)='./file0\x00', 0xffffffffffffffff, 0x0) [ 65.037259][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.044552][ T8451] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.052392][ T8451] device bridge_slave_0 entered promiscuous mode [ 65.076571][ T8455] chnl_net:caif_netlink_parms(): no params data found [ 65.089596][ T8460] IPVS: ftp: loaded support on port[0] = 21 [ 65.104457][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.112198][ T8451] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.126406][ T8451] device bridge_slave_1 entered promiscuous mode [ 65.182719][ T8463] IPVS: ftp: loaded support on port[0] = 21 [ 65.224076][ T8451] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.236467][ T8451] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.315658][ T8451] team0: Port device team_slave_0 added [ 65.328286][ T8451] team0: Port device team_slave_1 added [ 65.356400][ T8455] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.366097][ T8455] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.374631][ T8455] device bridge_slave_0 entered promiscuous mode [ 65.451743][ T8451] device hsr_slave_0 entered promiscuous mode [ 65.499190][ T8451] device hsr_slave_1 entered promiscuous mode [ 65.548957][ T8451] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.549058][ T8451] Cannot create hsr debugfs directory [ 65.564027][ T8449] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.612631][ T8455] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.619823][ T8455] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.627420][ T8455] device bridge_slave_1 entered promiscuous mode [ 65.647173][ T8458] chnl_net:caif_netlink_parms(): no params data found [ 65.657671][ T8449] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.727766][ T8455] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.741252][ T8455] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.750901][ T8449] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.841388][ T8463] chnl_net:caif_netlink_parms(): no params data found [ 65.850114][ T8449] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.926645][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.933980][ T8458] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.941715][ T8458] device bridge_slave_0 entered promiscuous mode [ 65.950410][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.957460][ T8458] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.965252][ T8458] device bridge_slave_1 entered promiscuous mode [ 65.985934][ T8455] team0: Port device team_slave_0 added [ 66.009643][ T8458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.023291][ T8455] team0: Port device team_slave_1 added [ 66.047130][ T8463] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.055471][ T8463] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.063770][ T8463] device bridge_slave_0 entered promiscuous mode [ 66.072178][ T8458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.091786][ T8460] chnl_net:caif_netlink_parms(): no params data found [ 66.104689][ T8463] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.111965][ T8463] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.120252][ T8463] device bridge_slave_1 entered promiscuous mode [ 66.155798][ T8458] team0: Port device team_slave_0 added [ 66.170627][ T8463] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.220806][ T8455] device hsr_slave_0 entered promiscuous mode [ 66.289529][ T8455] device hsr_slave_1 entered promiscuous mode [ 66.329119][ T8455] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.336897][ T8455] Cannot create hsr debugfs directory [ 66.346456][ T8458] team0: Port device team_slave_1 added [ 66.376396][ T8463] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.427612][ T8460] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.436433][ T8460] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.444954][ T8460] device bridge_slave_0 entered promiscuous mode [ 66.474772][ T8463] team0: Port device team_slave_0 added [ 66.485281][ T8463] team0: Port device team_slave_1 added [ 66.492305][ T8460] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.500154][ T8460] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.507748][ T8460] device bridge_slave_1 entered promiscuous mode [ 66.571519][ T8458] device hsr_slave_0 entered promiscuous mode [ 66.609293][ T8458] device hsr_slave_1 entered promiscuous mode [ 66.649021][ T8458] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.656602][ T8458] Cannot create hsr debugfs directory [ 66.665203][ T8451] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.710793][ T8451] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.754272][ T8451] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.804165][ T8451] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.885870][ T8460] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.926530][ T8460] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.001235][ T8463] device hsr_slave_0 entered promiscuous mode [ 67.049203][ T8463] device hsr_slave_1 entered promiscuous mode [ 67.088949][ T8463] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.096516][ T8463] Cannot create hsr debugfs directory [ 67.123815][ T8460] team0: Port device team_slave_0 added [ 67.135919][ T8460] team0: Port device team_slave_1 added [ 67.153386][ T8449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.164845][ T8455] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.242299][ T8460] device hsr_slave_0 entered promiscuous mode [ 67.309138][ T8460] device hsr_slave_1 entered promiscuous mode [ 67.368934][ T8460] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.376633][ T8460] Cannot create hsr debugfs directory [ 67.387750][ T8455] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.444518][ T8455] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.536632][ T8455] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.608216][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.616353][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.643500][ T8449] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.697724][ T8458] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.750552][ T8463] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.780361][ T8458] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.830664][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.839301][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.848235][ T3207] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.855496][ T3207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.869172][ T8451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.886690][ T8463] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.913105][ T8458] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.952682][ T8458] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.000854][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.009014][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.017643][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.026137][ T3205] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.033218][ T3205] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.041915][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.051063][ T8460] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.102359][ T8460] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.175531][ T8463] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.253333][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.261613][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.269400][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.277773][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.286564][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.296327][ T8451] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.310643][ T8460] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.360360][ T8463] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.435216][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.443188][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.452047][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.461048][ T3207] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.468191][ T3207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.476075][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.484560][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.492968][ T3207] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.500159][ T3207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.508317][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.516499][ T8460] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.578610][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.587513][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.600117][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.608544][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.616836][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.625271][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.655777][ T8449] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.689510][ T8455] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.708036][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.720612][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.730222][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.739060][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.747403][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.756543][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.778771][ T8451] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.789412][ T8451] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.807397][ T8449] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.825475][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.834121][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.842603][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.851110][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.859599][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.867783][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.875492][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.883237][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.891185][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.898872][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.925210][ T8455] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.943004][ T8458] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.966526][ T8458] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.979162][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.986949][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.995484][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.003569][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.014843][ T8451] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.024207][ T8463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.039830][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.048431][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.059532][ T3207] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.066807][ T3207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.075312][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.089038][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.097668][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.110767][ T2706] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.117808][ T2706] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.125797][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.166842][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.176321][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.186068][ T3207] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.193291][ T3207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.203843][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.212894][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.221873][ T3207] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.228964][ T3207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.236445][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.245481][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.254049][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.262774][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.271582][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.280476][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.289148][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.298036][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.306525][ T3207] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.328560][ T8460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.349120][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.358047][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.366741][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.376259][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.387405][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.396125][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.405119][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.414404][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.423084][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.431186][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.439217][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.447465][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.456114][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.478447][ T8449] device veth0_vlan entered promiscuous mode [ 69.487599][ T8463] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.500962][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.512494][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.521261][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.529722][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.537798][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.546298][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.554432][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.562704][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.570655][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.579017][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.590501][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.604512][ T8449] device veth1_vlan entered promiscuous mode [ 69.616792][ T8455] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.625803][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.633562][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.642529][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.658481][ T8451] device veth0_vlan entered promiscuous mode [ 69.671893][ T8460] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.695776][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.704907][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.715279][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.724922][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.734117][ T3205] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.741230][ T3205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.750725][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.759449][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.767686][ T3205] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.774781][ T3205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.782319][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.791488][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.800041][ T3205] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.807156][ T3205] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.816043][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.824200][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.832323][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.840512][ T3205] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.855573][ T8451] device veth1_vlan entered promiscuous mode [ 69.884602][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.894509][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.905824][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.933406][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.944131][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 174.928774][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.935588][ C1] rcu: 1-...!: (10499 ticks this GP) idle=68a/1/0x4000000000000002 softirq=13482/13482 fqs=39 [ 174.946141][ C1] (t=10500 jiffies g=6665 q=240) [ 174.951158][ C1] rcu: rcu_preempt kthread starved for 10420 jiffies! g6665 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 174.962240][ C1] rcu: RCU grace-period kthread stack dump: [ 174.968115][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 174.976002][ C1] Call Trace: [ 174.979460][ C1] __schedule+0x9a0/0xcc0 [ 174.983795][ C1] schedule+0x181/0x210 [ 174.987940][ C1] schedule_timeout+0x14f/0x240 [ 174.992783][ C1] ? run_local_timers+0x120/0x120 [ 174.997808][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.002570][ C1] kthread+0x332/0x350 [ 175.006628][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.011728][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.016311][ C1] ret_from_fork+0x24/0x30 [ 175.020728][ C1] NMI backtrace for cpu 1 [ 175.025046][ C1] CPU: 1 PID: 8469 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.033701][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.043741][ C1] Call Trace: [ 175.047012][ C1] [ 175.049853][ C1] dump_stack+0x1fb/0x318 [ 175.054174][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.059026][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.065173][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.071233][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.077296][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.083268][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.088376][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.093567][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.098582][ C1] update_process_times+0x12d/0x180 [ 175.103770][ C1] tick_sched_timer+0x263/0x420 [ 175.108609][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.114144][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.119346][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.124287][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.129582][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.135119][ C1] apic_timer_interrupt+0xf/0x20 [ 175.140045][ C1] [ 175.142978][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 175.149120][ C1] Code: 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 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 175.168714][ C1] RSP: 0018:ffffc90002867788 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.177114][ C1] RAX: ffffffff814896c6 RBX: ffffea0002675940 RCX: ffff88808a28a040 [ 175.185076][ C1] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea0002675940 [ 175.193036][ C1] RBP: ffffc900028677b0 R08: 000000000003a728 R09: ffffed1012ac1ab9 [ 175.200995][ C1] R10: ffffed1012ac1ab9 R11: 0000000000000000 R12: ffff888096df5120 [ 175.208956][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809560d5b8 [ 175.216927][ C1] ? mod_memcg_page_state+0x16/0x190 [ 175.222203][ C1] ? free_thread_stack+0x124/0x590 [ 175.227301][ C1] ? mod_memcg_page_state+0x16/0x190 [ 175.232575][ C1] free_thread_stack+0x168/0x590 [ 175.237502][ C1] put_task_stack+0xa3/0x130 [ 175.242078][ C1] finish_task_switch+0x3f1/0x550 [ 175.247093][ C1] __schedule+0x9a8/0xcc0 [ 175.251418][ C1] ? ___preempt_schedule+0x16/0x18 [ 175.256516][ C1] preempt_schedule+0xdb/0x120 [ 175.261271][ C1] ___preempt_schedule+0x16/0x18 [ 175.266234][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 175.271856][ C1] __mod_timer+0xf01/0x1590 [ 175.276492][ C1] add_timer+0x65/0x80 [ 175.280568][ C1] sctp_do_sm+0x34ba/0x5730 [ 175.285086][ C1] ? sctp_ulpevent_nofity_peer_addr_change+0x39d/0x560 [ 175.291939][ C1] ? sctp_assoc_add_peer+0xd54/0x1600 [ 175.297308][ C1] ? memcpy+0x49/0x60 [ 175.301285][ C1] ? sctp_assoc_add_peer+0xfb9/0x1600 [ 175.306669][ C1] sctp_primitive_ASSOCIATE+0x96/0xc0 [ 175.312041][ C1] __sctp_connect+0xd87/0x1180 [ 175.316799][ C1] ? local_bh_enable+0x9/0x30 [ 175.321478][ C1] ? lock_sock_nested+0xd6/0x120 [ 175.326408][ C1] sctp_inet_connect+0x13d/0x1b0 [ 175.331338][ C1] __sys_connect+0x305/0x390 [ 175.335924][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 175.341980][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 175.347691][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 175.353398][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 175.358844][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 175.364560][ C1] __x64_sys_connect+0x7a/0x90 [ 175.369313][ C1] do_syscall_64+0xf7/0x1c0 [ 175.373809][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.379691][ C1] RIP: 0033:0x45af49 [ 175.383586][ 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 [ 175.403178][ C1] RSP: 002b:00007fa600f87c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 175.411577][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 175.419537][ C1] RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000003 [ 175.427495][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 175.435456][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa600f886d4 [ 175.443420][ C1] R13: 00000000004c17a5 R14: 00000000004d6730 R15: 00000000ffffffff