[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.959879][ T25] audit: type=1800 audit(1575350455.811:25): pid=8140 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.979115][ T25] audit: type=1800 audit(1575350455.811:26): pid=8140 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.000170][ T25] audit: type=1800 audit(1575350455.821:27): pid=8140 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 '10.128.10.15' (ECDSA) to the list of known hosts. 2019/12/03 05:21:05 fuzzer started 2019/12/03 05:21:06 dialing manager at 10.128.0.26:38907 2019/12/03 05:21:06 syscalls: 2697 2019/12/03 05:21:06 code coverage: enabled 2019/12/03 05:21:06 comparison tracing: enabled 2019/12/03 05:21:06 extra coverage: extra coverage is not supported by the kernel 2019/12/03 05:21:06 setuid sandbox: enabled 2019/12/03 05:21:06 namespace sandbox: enabled 2019/12/03 05:21:06 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 05:21:06 fault injection: enabled 2019/12/03 05:21:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 05:21:06 net packet injection: enabled 2019/12/03 05:21:06 net device setup: enabled 2019/12/03 05:21:06 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 05:21:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:21:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = getpgrp(0x0) ioprio_get$pid(0x2, r2) 05:21:08 executing program 1: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/137, 0xc) syzkaller login: [ 57.369883][ T8307] IPVS: ftp: loaded support on port[0] = 21 05:21:08 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x5eb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) getsockopt$inet_tcp_buf(r0, 0x6, 0x24, 0x0, &(0x7f00000002c0)) [ 57.549778][ T8309] IPVS: ftp: loaded support on port[0] = 21 [ 57.576758][ T8307] chnl_net:caif_netlink_parms(): no params data found [ 57.727455][ T8307] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.734564][ T8307] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.755828][ T8307] device bridge_slave_0 entered promiscuous mode [ 57.783914][ T8307] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.791432][ T8307] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.800469][ T8307] device bridge_slave_1 entered promiscuous mode [ 57.824427][ T8309] chnl_net:caif_netlink_parms(): no params data found [ 57.839746][ T8313] IPVS: ftp: loaded support on port[0] = 21 [ 57.849122][ T8307] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 05:21:08 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xf}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(0x0, 0x0, 0x0) fcntl$setlease(r0, 0x400, 0x2) openat$cgroup_subtree(r0, &(0x7f0000000340)='cgroup.subtree_control\x00', 0x2, 0x0) ioctl$TCGETA(r0, 0x5405, &(0x7f0000000000)) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$bt_rfcomm_RFCOMM_LM(0xffffffffffffffff, 0x12, 0x3, &(0x7f00000002c0)=0x1, 0x4) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e23, @dev}, 0x10) bind$inet(0xffffffffffffffff, 0x0, 0x0) sendto$inet(r1, 0x0, 0x0, 0x200007fa, &(0x7f0000000140)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1e}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000200)='sit0\x00', 0x10) ioctl$DRM_IOCTL_ADD_MAP(r0, 0xc0286415, &(0x7f0000000040)={&(0x7f0000ffb000/0x2000)=nil, 0x3, 0x2, 0x16, &(0x7f0000ffc000/0x4000)=nil, 0x80}) syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x0, 0x105084) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0xf, 0x0, 0x0) r3 = openat$audio(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$sock_bt_hidp_HIDPGETCONNINFO(r3, 0x800448d3, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(0xffffffffffffffff, 0x89e0, &(0x7f0000000300)={r2}) syz_open_dev$sndpcmc(0x0, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) syz_open_dev$cec(0x0, 0x0, 0x2) r4 = memfd_create(&(0x7f00000000c0)='\x00\x00\x00\x00\x8c\x00'/15, 0x0) pwritev(r4, &(0x7f0000f50f90)=[{0x0}], 0x1, 0x81003) syz_open_dev$rtc(0x0, 0x0, 0x0) ioctl$RTC_SET_TIME(0xffffffffffffffff, 0x4024700a, 0x0) r5 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="b702000003000000bfa30000000000000703000000feffff7a0af0fff8ffffff79a4f0ff00000000b7060000ffffffff2d6405000000000065040400010000000404000001007d60b7030000000000006a0a00fe00000000850000000d000000b7000000000000009500000000000000"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r5, 0x18000000000002a0, 0x1f, 0x0, &(0x7f0000000500)="b9ff0300000d698cb89e14f043050007ffff00004000638877fbac291429e9", 0x0, 0x100}, 0x28) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0) [ 57.883792][ T8307] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.956343][ T8309] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.963525][ T8309] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.973841][ T8309] device bridge_slave_0 entered promiscuous mode [ 57.983580][ T8307] team0: Port device team_slave_0 added [ 57.995818][ T8309] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.003931][ T8309] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.012842][ T8309] device bridge_slave_1 entered promiscuous mode [ 58.025978][ T8307] team0: Port device team_slave_1 added [ 58.095467][ T8309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 05:21:09 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) bind$nfc_llcp(r1, &(0x7f0000000100)={0x27, 0x0, 0x0, 0x0, 0x0, 0x0, "8811e78754a539d39c2bd6a40fa8c8aa024d86cdc834bc921c0525fec2541e21ccf67e1d7b55cabe9e068dd58ce565aa9a9d325ebac7627ffe7a54cdbd77b3", 0x2b}, 0x60) listen(r1, 0x0) [ 58.147898][ T8307] device hsr_slave_0 entered promiscuous mode [ 58.185139][ T8307] device hsr_slave_1 entered promiscuous mode [ 58.335024][ T8309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.378220][ T8317] IPVS: ftp: loaded support on port[0] = 21 [ 58.414142][ T8309] team0: Port device team_slave_0 added 05:21:09 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) shutdown(r0, 0x0) pipe(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) dup2(r1, r0) [ 58.437835][ T8309] team0: Port device team_slave_1 added [ 58.452490][ T8313] chnl_net:caif_netlink_parms(): no params data found [ 58.462895][ T8319] IPVS: ftp: loaded support on port[0] = 21 [ 58.474631][ T8307] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.537514][ T8307] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.577762][ T8307] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.655971][ T8307] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.776945][ T8309] device hsr_slave_0 entered promiscuous mode [ 58.805057][ T8309] device hsr_slave_1 entered promiscuous mode [ 58.865397][ T8309] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.880944][ T8321] IPVS: ftp: loaded support on port[0] = 21 [ 58.923835][ T8309] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.989471][ T8309] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.038576][ T8309] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.099990][ T8309] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.175000][ T8313] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.182103][ T8313] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.191239][ T8313] device bridge_slave_0 entered promiscuous mode [ 59.199163][ T8313] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.206739][ T8313] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.214433][ T8313] device bridge_slave_1 entered promiscuous mode [ 59.234892][ T8313] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.262597][ T8313] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.283698][ T8313] team0: Port device team_slave_0 added [ 59.323548][ T8313] team0: Port device team_slave_1 added [ 59.376610][ T8313] device hsr_slave_0 entered promiscuous mode [ 59.415202][ T8313] device hsr_slave_1 entered promiscuous mode [ 59.454893][ T8313] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.481091][ T8317] chnl_net:caif_netlink_parms(): no params data found [ 59.535722][ T8319] chnl_net:caif_netlink_parms(): no params data found [ 59.581452][ T8317] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.589037][ T8317] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.597773][ T8317] device bridge_slave_0 entered promiscuous mode [ 59.607280][ T8317] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.614342][ T8317] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.623669][ T8317] device bridge_slave_1 entered promiscuous mode [ 59.708951][ T8317] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.721339][ T8319] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.729069][ T8319] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.736904][ T8319] device bridge_slave_0 entered promiscuous mode [ 59.743927][ T8313] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.789743][ T8313] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.849472][ T8313] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.910182][ T8317] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.919799][ T8319] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.926993][ T8319] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.937379][ T8319] device bridge_slave_1 entered promiscuous mode [ 59.956543][ T8319] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.967762][ T8313] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.006593][ T8321] chnl_net:caif_netlink_parms(): no params data found [ 60.024493][ T8319] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.036223][ T8307] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.071954][ T8319] team0: Port device team_slave_0 added [ 60.079767][ T8317] team0: Port device team_slave_0 added [ 60.090015][ T8317] team0: Port device team_slave_1 added [ 60.107936][ T8319] team0: Port device team_slave_1 added [ 60.178376][ T8317] device hsr_slave_0 entered promiscuous mode [ 60.215190][ T8317] device hsr_slave_1 entered promiscuous mode [ 60.265338][ T8317] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.296448][ T8307] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.314263][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.322604][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.377465][ T8319] device hsr_slave_0 entered promiscuous mode [ 60.435364][ T8319] device hsr_slave_1 entered promiscuous mode [ 60.474887][ T8319] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.488546][ T8321] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.497794][ T8321] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.506114][ T8321] device bridge_slave_0 entered promiscuous mode [ 60.514170][ T8321] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.521400][ T8321] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.529365][ T8321] device bridge_slave_1 entered promiscuous mode [ 60.542004][ T8309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.579049][ T8323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.588245][ T8323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.596976][ T8323] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.604159][ T8323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.612288][ T8323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.632420][ T8321] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.656561][ T8309] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.681149][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.690930][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.701398][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.708540][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.716830][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.724483][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.732495][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.742111][ T8321] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.752003][ T8319] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.809578][ T8317] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.847391][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.856335][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.864925][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.871975][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.879830][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.888702][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.897292][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.904348][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.911992][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.920538][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.929832][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.942864][ T8319] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.010977][ T8319] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.069120][ T8317] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.121982][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.131790][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.141209][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.150117][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.160590][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.171326][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.180083][ T8319] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.239389][ T8313] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.246483][ T8317] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.308605][ T8321] team0: Port device team_slave_0 added [ 61.327747][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.335981][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.344383][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.353538][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.362129][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.370712][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.379236][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.395466][ T8317] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.433194][ T8309] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.445155][ T8309] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.458971][ T8307] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.471799][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.481271][ T8321] team0: Port device team_slave_1 added [ 61.502149][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.511208][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.519007][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.527454][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.535925][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.544124][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.552906][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.561214][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.570008][ T2907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.628644][ T8321] device hsr_slave_0 entered promiscuous mode [ 61.655033][ T8321] device hsr_slave_1 entered promiscuous mode [ 61.695103][ T8321] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.724054][ T8313] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.732438][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.739904][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.752967][ T8309] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.780220][ T8307] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.791933][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.799561][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.807150][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.815795][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.824030][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.831100][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.838846][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.847494][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.855893][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.862905][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.870593][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.879045][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.921663][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.930120][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.939430][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.953392][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.962310][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.970908][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.979232][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.998517][ T8321] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.057023][ T8321] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.110185][ T8321] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.156790][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.165045][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.173345][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.186955][ T8319] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.196891][ T8313] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.206761][ T8321] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.270901][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.279240][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.288668][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.297693][ T8327] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.309321][ T8319] 8021q: adding VLAN 0 to HW filter on device team0 [ 167.324687][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.331492][ C1] rcu: 1-...!: (10500 ticks this GP) idle=d92/1/0x4000000000000002 softirq=11504/11504 fqs=0 [ 167.342038][ C1] (t=10502 jiffies g=6513 q=81) [ 167.346977][ C1] rcu: rcu_preempt kthread starved for 10503 jiffies! g6513 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.358061][ C1] rcu: RCU grace-period kthread stack dump: [ 167.363954][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.371991][ C1] Call Trace: [ 167.375292][ C1] __schedule+0x9a0/0xcc0 [ 167.379622][ C1] schedule+0x181/0x210 [ 167.383769][ C1] schedule_timeout+0x14f/0x240 [ 167.388609][ C1] ? run_local_timers+0x120/0x120 [ 167.393628][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.398395][ C1] kthread+0x332/0x350 [ 167.402451][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.407551][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.412133][ C1] ret_from_fork+0x24/0x30 [ 167.416553][ C1] NMI backtrace for cpu 1 [ 167.420878][ C1] CPU: 1 PID: 8328 Comm: kworker/1:4 Not tainted 5.4.0-syzkaller #0 [ 167.428838][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.438912][ C1] Workqueue: rcu_gp process_srcu [ 167.443842][ C1] Call Trace: [ 167.447122][ C1] [ 167.449968][ C1] dump_stack+0x1fb/0x318 [ 167.454288][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.459129][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.465270][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.471328][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.477396][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.483277][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.488384][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.493575][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.498601][ C1] update_process_times+0x12d/0x180 [ 167.503792][ C1] tick_sched_timer+0x263/0x420 [ 167.508632][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.514168][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.519365][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.524305][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.529669][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.535208][ C1] apic_timer_interrupt+0xf/0x20 [ 167.540130][ C1] [ 167.543058][ C1] RIP: 0010:free_thread_stack+0x16d/0x590 [ 167.548867][ C1] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 167.568471][ C1] RSP: 0018:ffffc900026778f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.576877][ C1] RAX: ffffffff81487433 RBX: ffff888093b15f08 RCX: ffff888096dfc480 [ 167.584840][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024a45c0 [ 167.592807][ C1] RBP: ffffc90002677930 R08: 000000000003a768 R09: ffffed1012f5b2af [ 167.600769][ C1] R10: ffffed1012f5b2af R11: 0000000000000000 R12: ffff888093b15fa0 [ 167.608731][ C1] R13: dffffc0000000000 R14: 1ffff11012762bf4 R15: ffff888097ad9568 [ 167.616714][ C1] ? mod_memcg_page_state+0x123/0x190 [ 167.622086][ C1] ? free_thread_stack+0x168/0x590 [ 167.627189][ C1] put_task_stack+0xa3/0x130 [ 167.631768][ C1] finish_task_switch+0x3f1/0x550 [ 167.636788][ C1] __schedule+0x9a8/0xcc0 [ 167.641119][ C1] preempt_schedule_irq+0xc1/0x140 [ 167.646220][ C1] retint_kernel+0x1b/0x2b [ 167.650628][ C1] RIP: 0010:delay_tsc+0x96/0xf0 [ 167.655463][ C1] Code: fb 41 89 c7 0f 01 f9 66 90 49 89 d4 49 c1 e4 20 49 09 c4 eb 29 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 a8 01 75 ca f3 90 01 00 00 00 e8 60 cd 6f f9 e8 6b ef af fb 41 39 c7 75 bb 0f 01 [ 167.675168][ C1] RSP: 0018:ffffc90002677b48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.683597][ C1] RAX: 0000000080000000 RBX: 00000000000006ed RCX: 0000000000000001 [ 167.691580][ C1] RDX: 0000000000000023 RSI: 0000000000000001 RDI: 0000000000000001 [ 167.699545][ C1] RBP: ffffc90002677b68 R08: ffffffff83932427 R09: fffffbfff14556fd [ 167.707506][ C1] R10: fffffbfff14556fd R11: 0000000000000000 R12: 000000236723f2d4 [ 167.715484][ C1] R13: 0000000000000000 R14: 0000000000002ced R15: 0000000000000001 [ 167.723481][ C1] ? check_preemption_disabled+0x37/0x260 [ 167.729200][ C1] ? delay_tsc+0xc6/0xf0 [ 167.733431][ C1] __const_udelay+0x5e/0x70 [ 167.737923][ C1] try_check_zero+0x6e/0x380 [ 167.742515][ C1] process_srcu+0x1b7/0xd20 [ 167.747029][ C1] process_one_work+0x7ef/0x10d0 [ 167.751987][ C1] worker_thread+0xc01/0x1630 [ 167.756686][ C1] kthread+0x332/0x350 [ 167.760750][ C1] ? rcu_lock_release+0x30/0x30 [ 167.765611][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.770214][ C1] ret_from_fork+0x24/0x30