[ 50.222157][ T27] audit: type=1800 audit(1578452040.408:25): pid=8310 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.241356][ T27] audit: type=1800 audit(1578452040.408:26): pid=8310 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.379299][ T27] audit: type=1800 audit(1578452040.558:27): pid=8310 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 50.414241][ T27] audit: type=1800 audit(1578452040.598:28): pid=8310 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 syzkaller login: [ 55.080275][ T8448] sshd (8448) used greatest stack depth: 23560 bytes left Warning: Permanently added '10.128.1.4' (ECDSA) to the list of known hosts. 2020/01/08 02:54:11 fuzzer started 2020/01/08 02:54:14 dialing manager at 10.128.0.26:35703 2020/01/08 02:54:14 syscalls: 2824 2020/01/08 02:54:14 code coverage: enabled 2020/01/08 02:54:14 comparison tracing: enabled 2020/01/08 02:54:14 extra coverage: enabled 2020/01/08 02:54:14 setuid sandbox: enabled 2020/01/08 02:54:14 namespace sandbox: enabled 2020/01/08 02:54:14 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:54:14 fault injection: enabled 2020/01/08 02:54:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:54:14 net packet injection: enabled 2020/01/08 02:54:14 net device setup: enabled 2020/01/08 02:54:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:54:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:54:15 executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000200)=@newsa={0x138, 0x10, 0x713, 0x0, 0x0, {{@in=@multicast2}, {@in6=@mcast2, 0x0, 0x32}, @in=@dev, {}, {}, {}, 0x0, 0x0, 0x2, 0x1}, [@algo_crypt={0x48, 0x2, {{'ecb(cipher_null)\x00'}}}]}, 0x138}}, 0x0) 02:54:15 executing program 1: setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r0 = creat(&(0x7f0000000140)='./file0\x00', 0x0) pwrite64(r0, &(0x7f0000000080)='[', 0x35d, 0xfffffffefff) [ 65.074431][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 65.186527][ T8477] chnl_net:caif_netlink_parms(): no params data found 02:54:15 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCGLCKTRMIOS(r0, 0x5412, &(0x7f0000000040)={0x3}) [ 65.267133][ T8477] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.277198][ T8477] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.285470][ T8477] device bridge_slave_0 entered promiscuous mode [ 65.307511][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 65.316336][ T8477] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.330239][ T8477] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.340381][ T8477] device bridge_slave_1 entered promiscuous mode [ 65.408293][ T8477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.431227][ T8477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.495184][ T8477] team0: Port device team_slave_0 added [ 65.516708][ T8477] team0: Port device team_slave_1 added [ 65.531056][ T8480] chnl_net:caif_netlink_parms(): no params data found 02:54:15 executing program 3: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$inet_opts(r1, 0x0, 0x15, 0x0, &(0x7f0000000840)) [ 65.556353][ T8483] IPVS: ftp: loaded support on port[0] = 21 [ 65.613211][ T8477] device hsr_slave_0 entered promiscuous mode [ 65.670255][ T8477] device hsr_slave_1 entered promiscuous mode 02:54:16 executing program 4: r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000001780)='/dev/video35\x00', 0x2, 0x0) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f0000000200)={0x0, 0xfffffffd, 0x4, {0x1, @raw_data="b7a0c627758b17231d136d48a99aedc2ac32f97157126355eec717a5c6e64339c77cac75d33b6402f7ce0bb7707f75751c005588e6f2b744376393d32cb6f1d9cc0e4dcf9bbf0c6dcfc6bac69b13cc9cdd6cff3762499b1c4bf634601d0744c6e0bd692af2850364e66738cc6ad56cc33cde001a0fc56c21f4732201a2a8831958d67800b97e50a45f3d892aa48f66aa2673aab2c1ff3a0c9a40b0fa229519d9c3e8bfb94d32a507f5f2baa7cfcad1031e22dbdae242ee25c6fc2268a0feddcf0340499b0471fd22"}}) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc058560f, &(0x7f0000000100)={0x0, 0x1, 0x0, {0x0, @raw_data="2085f3072c9b42f03f10be83b68ebcf014a0409fdf8be3d3e82c747c7f79f7cee00b443f04000000a91ca25441677d169fb75a152d6eebf4bef6c96076d67f243aebaac6430c9ef1a788e60eb3d0a7c29a5e3416871c8a51df55701a05e0a2f09883c482efaf6dc9e1695038733a23bbf0faf76a1d3fae5c251c4fad507b2ead2f1581057e3f84f3e8503ee570d8069eb53a897d2dd5f3d89629917fb171132181e9f3c510ac5229a6b6096547977578c5795d84cf23fe1d042df97dbd37a4b3d0e338a1b611e3ae"}}) [ 65.784713][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.799135][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.806636][ T8480] device bridge_slave_0 entered promiscuous mode [ 65.835957][ T8485] IPVS: ftp: loaded support on port[0] = 21 [ 65.865338][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.876687][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.885838][ T8480] device bridge_slave_1 entered promiscuous mode [ 65.928155][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.971564][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.072307][ T8477] netdevsim netdevsim0 netdevsim0: renamed from eth0 02:54:16 executing program 5: r0 = creat(&(0x7f00000002c0)='./bus\x00', 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x40000141042, 0x0) write$binfmt_misc(r1, &(0x7f0000000000)=ANY=[], 0x323) ftruncate(r0, 0x2081fd) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) fallocate(r2, 0x20, 0x20000, 0x10000) [ 66.143166][ T8477] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.193778][ T8480] team0: Port device team_slave_0 added [ 66.231893][ T8477] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.232179][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 66.271149][ T8480] team0: Port device team_slave_1 added [ 66.276853][ T8477] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.336893][ T8490] IPVS: ftp: loaded support on port[0] = 21 [ 66.405011][ T8483] chnl_net:caif_netlink_parms(): no params data found [ 66.470858][ T8480] device hsr_slave_0 entered promiscuous mode [ 66.519450][ T8480] device hsr_slave_1 entered promiscuous mode [ 66.569277][ T8480] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.577029][ T8480] Cannot create hsr debugfs directory [ 66.612985][ T8485] chnl_net:caif_netlink_parms(): no params data found [ 66.642320][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.651323][ T8483] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.658897][ T8483] device bridge_slave_0 entered promiscuous mode [ 66.670944][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.678009][ T8483] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.685711][ T8483] device bridge_slave_1 entered promiscuous mode [ 66.705839][ T8483] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.747357][ T8483] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.772084][ T8485] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.779845][ T8485] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.787426][ T8485] device bridge_slave_0 entered promiscuous mode [ 66.801718][ T8483] team0: Port device team_slave_0 added [ 66.821262][ T8485] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.828368][ T8485] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.837880][ T8485] device bridge_slave_1 entered promiscuous mode [ 66.846280][ T8483] team0: Port device team_slave_1 added [ 66.932750][ T8483] device hsr_slave_0 entered promiscuous mode [ 66.959319][ T8483] device hsr_slave_1 entered promiscuous mode [ 67.019140][ T8483] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.026710][ T8483] Cannot create hsr debugfs directory [ 67.072384][ T8477] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.099139][ T8485] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.118777][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 67.134699][ T8485] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.146481][ T8490] chnl_net:caif_netlink_parms(): no params data found [ 67.174106][ T8480] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.221314][ T8480] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.263567][ T8480] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.341094][ T8480] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.385023][ T8477] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.397885][ T8485] team0: Port device team_slave_0 added [ 67.406574][ T8485] team0: Port device team_slave_1 added [ 67.413836][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.426588][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.511087][ T8485] device hsr_slave_0 entered promiscuous mode [ 67.559465][ T8485] device hsr_slave_1 entered promiscuous mode [ 67.619239][ T8485] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.626830][ T8485] Cannot create hsr debugfs directory [ 67.635760][ T8490] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.643895][ T8490] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.652604][ T8490] device bridge_slave_0 entered promiscuous mode [ 67.660893][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.670059][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.678407][ T2800] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.685605][ T2800] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.694533][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.706890][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.714292][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.722600][ T8488] device bridge_slave_0 entered promiscuous mode [ 67.736428][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.743717][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.751496][ T8488] device bridge_slave_1 entered promiscuous mode [ 67.763714][ T8490] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.774051][ T8490] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.782119][ T8490] device bridge_slave_1 entered promiscuous mode [ 67.794575][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.803264][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.811878][ T2800] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.818925][ T2800] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.840612][ T8483] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.887431][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.905934][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.915873][ T8483] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.972269][ T8490] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.987183][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.002781][ T8483] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.041524][ T8483] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.109614][ T8490] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.130421][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.164122][ T8488] team0: Port device team_slave_0 added [ 68.196059][ T8490] team0: Port device team_slave_0 added [ 68.204568][ T8488] team0: Port device team_slave_1 added [ 68.212600][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.222050][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.230431][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.238813][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.247306][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.255906][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.264250][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.272515][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.283559][ T8477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.297286][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.307236][ T8490] team0: Port device team_slave_1 added [ 68.316980][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.401780][ T8490] device hsr_slave_0 entered promiscuous mode [ 68.449482][ T8490] device hsr_slave_1 entered promiscuous mode [ 68.489221][ T8490] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.496815][ T8490] Cannot create hsr debugfs directory [ 68.511504][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.522317][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.530533][ T8485] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.576154][ T8485] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.642769][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.701986][ T8488] device hsr_slave_0 entered promiscuous mode [ 68.750208][ T8488] device hsr_slave_1 entered promiscuous mode [ 68.799158][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.806736][ T8488] Cannot create hsr debugfs directory [ 68.817096][ T8485] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.871510][ T8485] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.936468][ T8483] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.966052][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.976091][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.984684][ T3086] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.991772][ T3086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.000223][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.008718][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.017156][ T3086] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.024230][ T3086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.032414][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.041450][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.072509][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.080341][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.087971][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.096115][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.103903][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.114312][ T8483] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.167382][ T8477] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.182038][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.190843][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.199492][ T2799] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.206532][ T2799] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.214703][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.224287][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.233194][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.241115][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.274947][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.283736][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.292610][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.301852][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.310261][ T3086] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.317308][ T3086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.338500][ T8490] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.391285][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.399713][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.432571][ T8488] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.474171][ T8488] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.541050][ T8490] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.589947][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.600942][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.609438][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.618103][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.627190][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.636093][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.644224][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.653995][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.662468][ T2801] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.672595][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.683465][ T8488] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.721058][ T8490] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.774406][ T8477] device veth0_vlan entered promiscuous mode [ 69.789669][ T2803] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.801863][ T8488] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.851659][ T8490] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.911308][ T8477] device veth1_vlan entered promiscuous mode [ 69.926931][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.934790][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.943220][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.953268][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.962555][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.974153][ T8485] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.002897][ T8480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.018342][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.028222][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.040339][ T8485] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.063832][ T8483] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.079587][ T8483] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.097362][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.106180][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.116519][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.124881][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.133464][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.142186][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.151252][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.188803][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.208923][ T2849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.229956][ T2849] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.237087][ T2849] bridge0: port 1(bridge_slave_0) entered forwarding state [ 175.229032][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.235902][ C1] rcu: 1-...!: (10499 ticks this GP) idle=8de/1/0x4000000000000002 softirq=13414/13414 fqs=0 [ 175.246388][ C1] (t=10500 jiffies g=6689 q=31) [ 175.251337][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6689 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.262440][ C1] rcu: RCU grace-period kthread stack dump: [ 175.268353][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.276255][ C1] Call Trace: [ 175.279554][ C1] __schedule+0x9a0/0xcc0 [ 175.283884][ C1] schedule+0x181/0x210 [ 175.288034][ C1] schedule_timeout+0x14f/0x240 [ 175.292884][ C1] ? run_local_timers+0x120/0x120 [ 175.297904][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.302666][ C1] kthread+0x332/0x350 [ 175.306720][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.311820][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.316404][ C1] ret_from_fork+0x24/0x30 [ 175.320824][ C1] NMI backtrace for cpu 1 [ 175.325161][ C1] CPU: 1 PID: 8498 Comm: kworker/u4:5 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.333558][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.343601][ C1] Call Trace: [ 175.347294][ C1] [ 175.350157][ C1] dump_stack+0x1fb/0x318 [ 175.354483][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.359326][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.365469][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.371529][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.377501][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.383399][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.388506][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.393705][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.398720][ C1] update_process_times+0x12d/0x180 [ 175.403908][ C1] tick_sched_timer+0x263/0x420 [ 175.408745][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.414287][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.419485][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.424431][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.429876][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.435443][ C1] apic_timer_interrupt+0xf/0x20 [ 175.440373][ C1] [ 175.443310][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 175.449457][ C1] Code: 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 175.469065][ C1] RSP: 0018:ffffc900025e7e38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.477478][ C1] RAX: ffffffff81489244 RBX: ffffea00025d0940 RCX: ffff8880919162c0 [ 175.485437][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025d0940 [ 175.493491][ C1] RBP: ffffc900025e7e78 R08: 000000000003a728 R09: ffffed1011fb3f19 [ 175.501465][ C1] R10: ffffed1011fb3f19 R11: 0000000000000000 R12: ffff8880a01cdea0 [ 175.509440][ C1] R13: dffffc0000000000 R14: 1ffff11014039bd4 R15: ffff88808fd9f8b8 [ 175.517417][ C1] ? free_thread_stack+0x124/0x590 [ 175.522526][ C1] ? free_thread_stack+0x124/0x590 [ 175.527647][ C1] put_task_stack+0xa3/0x130 [ 175.532244][ C1] finish_task_switch+0x3f1/0x550 [ 175.537434][ C1] ? proc_cap_handler+0x450/0x450 [ 175.542451][ C1] schedule_tail+0x20/0x1a0 [ 175.546946][ C1] ? proc_cap_handler+0x450/0x450 [ 175.551964][ C1] ret_from_fork+0x8/0x30