[ 40.154549][ T23] audit: type=1800 audit(1575422826.818:27): pid=7848 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.191615][ T23] audit: type=1800 audit(1575422826.818:28): pid=7848 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. [ 40.840805][ T23] audit: type=1800 audit(1575422827.558:29): pid=7848 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 40.859959][ T23] audit: type=1800 audit(1575422827.558:30): pid=7848 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. 2019/12/04 01:27:18 fuzzer started 2019/12/04 01:27:19 dialing manager at 10.128.0.26:42111 2019/12/04 01:27:19 syscalls: 2689 2019/12/04 01:27:19 code coverage: enabled 2019/12/04 01:27:19 comparison tracing: enabled 2019/12/04 01:27:19 extra coverage: extra coverage is not supported by the kernel 2019/12/04 01:27:19 setuid sandbox: enabled 2019/12/04 01:27:19 namespace sandbox: enabled 2019/12/04 01:27:19 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 01:27:19 fault injection: enabled 2019/12/04 01:27:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 01:27:19 net packet injection: enabled 2019/12/04 01:27:19 net device setup: enabled 2019/12/04 01:27:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 01:27:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:27:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4000000000004e22}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000040)=0x8, 0x4) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$sock_int(r1, 0x1, 0xf, &(0x7f0000000000)=0x3ff, 0x4) bind$inet6(r1, &(0x7f0000000240)={0xa, 0x0, 0x0, @remote, 0x3}, 0x1c) bind$inet6(r1, &(0x7f0000000440)={0xa, 0x4e22, 0x0, @ipv4}, 0x1c) listen(r1, 0x0) 01:27:21 executing program 1: r0 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f00000000c0)="2e00000027000500d25a80648c63940d0124fc000c00074002000000053582c137153e370300000001f01700d1bd", 0x2e}], 0x1}, 0x0) syzkaller login: [ 54.334017][ T8012] IPVS: ftp: loaded support on port[0] = 21 [ 54.458682][ T8014] IPVS: ftp: loaded support on port[0] = 21 01:27:21 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) r2 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000000)="48000000140081fb7059ae08060c04000aff0f03000004000002020000006fabca1b4e7d06a6bd7c493872f750375ed08a562ad6e74703c48f93b82a02000000461eb886a5e54e8f", 0x48}], 0x1}, 0x0) [ 54.504108][ T8012] chnl_net:caif_netlink_parms(): no params data found [ 54.577925][ T8012] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.606364][ T8012] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.614142][ T8012] device bridge_slave_0 entered promiscuous mode [ 54.657912][ T8012] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.665009][ T8012] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.687132][ T8012] device bridge_slave_1 entered promiscuous mode [ 54.718189][ T8018] IPVS: ftp: loaded support on port[0] = 21 [ 54.732488][ T8014] chnl_net:caif_netlink_parms(): no params data found [ 54.747457][ T8012] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.780903][ T8012] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:27:21 executing program 3: syz_open_procfs(0xffffffffffffffff, &(0x7f00000000c0)='numa_maps\x00\xec1p\x14\x81\xa5h\xa1\xb8\xc5q\xd6_\x1c\x06\x9d\xb7\xb8\xb1\x90\xe4z\x97\x8e\xd4') ioctl$FS_IOC_FIEMAP(0xffffffffffffffff, 0xc020660b, &(0x7f0000000100)={0x0, 0x6e0000, 0x0, 0x0, 0x1, [{0x3}]}) r0 = syz_open_dev$video(&(0x7f0000000000)='/dev/video#\x00', 0x3, 0x0) ioctl$VIDIOC_TRY_FMT(r0, 0xc0d05640, &(0x7f0000000300)={0x3, @win={{}, 0x0, 0x0, &(0x7f00000000c0)={{0x8}}, 0x5, 0x0}}) [ 54.831950][ T8012] team0: Port device team_slave_0 added [ 54.838792][ T8014] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.846531][ T8014] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.854293][ T8014] device bridge_slave_0 entered promiscuous mode [ 54.867406][ T8012] team0: Port device team_slave_1 added [ 54.882512][ T8014] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.890073][ T8014] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.898295][ T8014] device bridge_slave_1 entered promiscuous mode [ 54.967811][ T8012] device hsr_slave_0 entered promiscuous mode [ 55.005683][ T8012] device hsr_slave_1 entered promiscuous mode [ 55.077183][ T8014] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.088180][ T8014] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.109002][ T8014] team0: Port device team_slave_0 added [ 55.118739][ T8014] team0: Port device team_slave_1 added 01:27:21 executing program 4: r0 = syz_open_dev$media(&(0x7f0000000180)='/dev/media#\x00', 0x0, 0x400) ioctl$KVM_SET_SIGNAL_MASK(r0, 0x4004ae8b, &(0x7f00000001c0)={0x69, "9fa96926c01a5b2ab1d97d0e305dcb33c63a4db65d620f4936af3ccc85236f8bc05471d5cc1b97d51c1b7104c6c59f0536e0a5f63c8f46de322894d1324938944a7cc6cc1294b698712667cb4000b29ccee64f35f90ada62634f68d0b5ed1b045735630c6624e11583"}) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x20000000, &(0x7f00000000c0)='./file0\x00', 0x0, 0x2001001, 0x0) sendmmsg$sock(0xffffffffffffffff, &(0x7f0000000840), 0x0, 0x4000) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, 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) prctl$PR_SET_KEEPCAPS(0x8, 0x0) pivot_root(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00') r1 = socket$packet(0x11, 0x3, 0x300) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) bind$packet(r1, 0x0, 0x0) bpf$MAP_CREATE(0x0, &(0x7f0000000400)={0x5, 0x8, 0x3fb, 0x401, 0x0, 0x1, 0x2, [], r3, 0xffffffffffffffff, 0x5, 0x2}, 0x3c) r4 = socket$inet6(0xa, 0x803, 0x3) timer_create(0x6, &(0x7f0000000380)={0x0, 0x20, 0x0, @thr={&(0x7f0000000240)="9dd99cd7e226ceaaa6a93d295bf211d00c3951e2cc36d9c807b19a37c2ed85c3401c3c818047995b7cb470033089214d6935386949a791f96ac2c0f12c5d342e1eb83053848ab83ae5db5e", &(0x7f00000002c0)}}, &(0x7f00000003c0)) ioctl$sock_inet_SIOCSIFFLAGS(r4, 0x8914, &(0x7f0000000040)={'bridge0\x00h\x00\x01\xd8\x00H\x00'}) umount2(&(0x7f0000000080)='./file0\x00', 0x4) [ 55.131757][ T8018] chnl_net:caif_netlink_parms(): no params data found [ 55.145098][ T8021] IPVS: ftp: loaded support on port[0] = 21 [ 55.207789][ T8014] device hsr_slave_0 entered promiscuous mode [ 55.246520][ T8014] device hsr_slave_1 entered promiscuous mode [ 55.285486][ T8014] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.342067][ T8012] netdevsim netdevsim0 netdevsim0: renamed from eth0 01:27:22 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) bind$bt_l2cap(r0, &(0x7f0000000200), 0xe) listen(r0, 0x0) ioctl$sock_TIOCOUTQ(r0, 0x5411, 0x0) [ 55.440689][ T8023] IPVS: ftp: loaded support on port[0] = 21 [ 55.457348][ T8012] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.508525][ T8012] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.569258][ T8012] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.627097][ T8018] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.634168][ T8018] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.642846][ T8018] device bridge_slave_0 entered promiscuous mode [ 55.652460][ T8018] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.659598][ T8018] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.667538][ T8018] device bridge_slave_1 entered promiscuous mode [ 55.692189][ T8014] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.738225][ T8014] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.780337][ T8014] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.847386][ T8014] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.927257][ T8025] IPVS: ftp: loaded support on port[0] = 21 [ 55.939050][ T8018] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.979991][ T8018] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.001186][ T8018] team0: Port device team_slave_0 added [ 56.018803][ T8021] chnl_net:caif_netlink_parms(): no params data found [ 56.028041][ T8018] team0: Port device team_slave_1 added [ 56.059064][ T8021] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.067538][ T8021] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.074988][ T8021] device bridge_slave_0 entered promiscuous mode [ 56.082820][ T8021] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.090189][ T8021] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.097966][ T8021] device bridge_slave_1 entered promiscuous mode [ 56.168025][ T8018] device hsr_slave_0 entered promiscuous mode [ 56.205649][ T8018] device hsr_slave_1 entered promiscuous mode [ 56.255446][ T8018] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.330752][ T8021] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.354299][ T8023] chnl_net:caif_netlink_parms(): no params data found [ 56.374252][ T8021] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.410158][ T8018] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.489932][ T8018] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.546587][ T8023] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.553676][ T8023] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.561810][ T8023] device bridge_slave_0 entered promiscuous mode [ 56.570926][ T8023] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.578063][ T8023] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.586028][ T8023] device bridge_slave_1 entered promiscuous mode [ 56.594001][ T8021] team0: Port device team_slave_0 added [ 56.600913][ T8021] team0: Port device team_slave_1 added [ 56.610676][ T8018] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.679352][ T8018] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.747892][ T8023] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.759067][ T8012] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.799870][ T8023] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.842448][ T8014] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.854066][ T8023] team0: Port device team_slave_0 added [ 56.861594][ T8023] team0: Port device team_slave_1 added [ 56.897684][ T8021] device hsr_slave_0 entered promiscuous mode [ 56.945745][ T8021] device hsr_slave_1 entered promiscuous mode [ 56.985505][ T8021] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.048159][ T8023] device hsr_slave_0 entered promiscuous mode [ 57.085909][ T8023] device hsr_slave_1 entered promiscuous mode [ 57.145461][ T8023] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.153133][ T8025] chnl_net:caif_netlink_parms(): no params data found [ 57.172045][ T8012] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.188259][ T3706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.198993][ T3706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.207125][ T3706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.215593][ T3706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.223844][ T3706] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.231007][ T3706] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.276871][ T8025] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.283936][ T8025] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.291743][ T8025] device bridge_slave_0 entered promiscuous mode [ 57.299605][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.307990][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.315689][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.326621][ T8014] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.340585][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.350089][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.358816][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.365904][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.373409][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.382538][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.391153][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.399487][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.406560][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.416205][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.424120][ T8023] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.466649][ T8025] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.473743][ T8025] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.484094][ T8025] device bridge_slave_1 entered promiscuous mode [ 57.501545][ T8025] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.513621][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.522437][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.532435][ T2995] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.539688][ T2995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.561391][ T8023] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.598327][ T8025] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.616099][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.624570][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.633305][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.641667][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.650395][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.658975][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.668564][ T8021] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.721663][ T8021] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.777546][ T8023] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.827289][ T8018] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.835430][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.843870][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.853957][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.862298][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.872860][ T8012] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.883895][ T8012] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.894073][ T8021] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.917710][ T8023] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.965904][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.974122][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.982472][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.991044][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.000200][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.008666][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.017035][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.024518][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.032195][ T8030] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.040560][ T8021] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.098512][ T8025] team0: Port device team_slave_0 added [ 58.115290][ T8014] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.128511][ T8014] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.142277][ T8018] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.159468][ T8025] team0: Port device team_slave_1 added [ 58.168797][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.177149][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.185245][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.193560][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.201865][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.212217][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.221896][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.245857][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.254287][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.262796][ T2995] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.269861][ T2995] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.277691][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.286319][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.294504][ T2995] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.301582][ T2995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.310138][ T2995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.399629][ T8025] device hsr_slave_0 entered promiscuous mode [ 58.436071][ T8025] device hsr_slave_1 entered promiscuous mode [ 58.495775][ T8025] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.503654][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.511589][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.519322][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.527834][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.536385][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.544802][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.553047][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.561812][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.571136][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.581666][ T8014] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.599030][ T8018] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.610036][ T8018] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.642795][ T8012] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.653275][ T8026] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.662621][ T8026] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.671682][ T8026] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.679908][ T8026] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.709065][ T8026] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.730995][ T8018] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.768160][ T8025] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 163.755359][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.762155][ C0] rcu: 0-...!: (10499 ticks this GP) idle=dd2/1/0x4000000000000002 softirq=10284/10284 fqs=1 [ 163.772627][ C0] (t=10501 jiffies g=6065 q=107) [ 163.777642][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6065 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.788720][ C0] rcu: RCU grace-period kthread stack dump: [ 163.794594][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.802500][ C0] Call Trace: [ 163.805784][ C0] __schedule+0x9a0/0xcc0 [ 163.810109][ C0] schedule+0x181/0x210 [ 163.814250][ C0] schedule_timeout+0x14f/0x240 [ 163.819088][ C0] ? run_local_timers+0x120/0x120 [ 163.824102][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.828860][ C0] kthread+0x332/0x350 [ 163.832912][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.838007][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.842582][ C0] ret_from_fork+0x24/0x30 [ 163.847102][ C0] NMI backtrace for cpu 0 [ 163.851428][ C0] CPU: 0 PID: 7886 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 163.859125][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.869166][ C0] Call Trace: [ 163.872437][ C0] [ 163.875284][ C0] dump_stack+0x1fb/0x318 [ 163.879612][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.884455][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.890608][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.896673][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.902647][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.908528][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.913633][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.918826][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.923841][ C0] update_process_times+0x12d/0x180 [ 163.929029][ C0] tick_sched_timer+0x263/0x420 [ 163.933867][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.939404][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.944604][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.949545][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.954824][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.960361][ C0] apic_timer_interrupt+0xf/0x20 [ 163.965281][ C0] [ 163.968223][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 163.973927][ C0] 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 [ 163.993515][ C0] RSP: 0018:ffffc90001a87a60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.001915][ C0] RAX: ffffffff81487433 RBX: ffff88806c7dfd88 RCX: ffff8880a96360c0 [ 164.009878][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b1f840 [ 164.017837][ C0] RBP: ffffc90001a87a98 R08: 000000000003a768 R09: ffffed101269deb7 [ 164.025796][ C0] R10: ffffed101269deb7 R11: 0000000000000000 R12: ffff88806c7dfe20 [ 164.033843][ C0] R13: dffffc0000000000 R14: 1ffff1100d8fbfc4 R15: ffff8880934ef5a8 [ 164.041899][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.047286][ C0] put_task_stack+0xa3/0x130 [ 164.051864][ C0] finish_task_switch+0x3f1/0x550 [ 164.056881][ C0] __schedule+0x9a8/0xcc0 [ 164.061208][ C0] schedule+0x181/0x210 [ 164.065356][ C0] do_syslog+0xdc7/0x1740 [ 164.070642][ C0] ? init_wait_entry+0xe0/0xe0 [ 164.075399][ C0] kmsg_read+0x94/0xd0 [ 164.079454][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 164.084381][ C0] proc_reg_read+0x1e2/0x2d0 [ 164.088959][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 164.093886][ C0] __vfs_read+0xb8/0x730 [ 164.098139][ C0] ? security_file_permission+0x23c/0x350 [ 164.103851][ C0] ? rw_verify_area+0x1c2/0x360 [ 164.108699][ C0] vfs_read+0x1dd/0x420 [ 164.112847][ C0] ksys_read+0x117/0x220 [ 164.117078][ C0] __x64_sys_read+0x7b/0x90 [ 164.121568][ C0] do_syscall_64+0xf7/0x1c0 [ 164.126059][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.131940][ C0] RIP: 0033:0x7feee14be1fd [ 164.136366][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 164.156052][ C0] RSP: 002b:00007feedea5de30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 164.164453][ C0] RAX: ffffffffffffffda RBX: 00000000008e7650 RCX: 00007feee14be1fd [ 164.172412][ C0] RDX: 0000000000000fff RSI: 00007feee02925a0 RDI: 0000000000000004 [ 164.180367][ C0] RBP: 0000000000000000 R08: 00000000008d2260 R09: 0000000000000000 [ 164.188324][ C0] R10: 203a7463656a626f R11: 0000000000000293 R12: 000000000065e420 [ 164.196284][ C0] R13: 00007feedea5e9c0 R14: 00007feee1b03040 R15: 0000000000000003