[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.724037][ T25] audit: type=1800 audit(1575416765.635:25): pid=8286 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.745186][ T25] audit: type=1800 audit(1575416765.635:26): pid=8286 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.799085][ T25] audit: type=1800 audit(1575416765.635:27): pid=8286 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 '10.128.0.181' (ECDSA) to the list of known hosts. 2019/12/03 23:46:18 fuzzer started 2019/12/03 23:46:19 dialing manager at 10.128.0.26:42111 2019/12/03 23:46:19 syscalls: 2689 2019/12/03 23:46:19 code coverage: enabled 2019/12/03 23:46:19 comparison tracing: enabled 2019/12/03 23:46:19 extra coverage: extra coverage is not supported by the kernel 2019/12/03 23:46:19 setuid sandbox: enabled 2019/12/03 23:46:19 namespace sandbox: enabled 2019/12/03 23:46:19 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 23:46:19 fault injection: enabled 2019/12/03 23:46:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 23:46:19 net packet injection: enabled 2019/12/03 23:46:19 net device setup: enabled 2019/12/03 23:46:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 23:46:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:46:20 executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)={0x14, 0x6, 0x10000001, 0x800000001}, 0x14}}, 0x0) 23:46:21 executing program 1: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) sendto$inet(r0, &(0x7f00000000c0)="e8", 0x1, 0x0, &(0x7f000052a000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x7c, &(0x7f00000000c0), &(0x7f0000000040)=0x200000c8) syzkaller login: [ 64.258032][ T8451] IPVS: ftp: loaded support on port[0] = 21 [ 64.391537][ T8453] IPVS: ftp: loaded support on port[0] = 21 23:46:21 executing program 2: r0 = socket(0x80000000000000a, 0x2, 0x0) r1 = socket(0x80000000000000a, 0x2, 0x0) r2 = dup2(r0, r1) getsockopt$IP6T_SO_GET_REVISION_TARGET(r2, 0x29, 0x45, 0x0, 0xffffffffffffffff) [ 64.471327][ T8451] chnl_net:caif_netlink_parms(): no params data found [ 64.571100][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.580256][ T8451] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.590305][ T8451] device bridge_slave_0 entered promiscuous mode [ 64.620084][ T8453] chnl_net:caif_netlink_parms(): no params data found [ 64.639702][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.655838][ T8451] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.664277][ T8451] device bridge_slave_1 entered promiscuous mode [ 64.758217][ T8451] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.781283][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 64.781736][ T8453] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.805827][ T8453] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.817632][ T8453] device bridge_slave_0 entered promiscuous mode [ 64.829106][ T8451] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 23:46:21 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = epoll_create1(0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r2 = syz_open_pts(r0, 0x0) dup3(r0, r2, 0x0) epoll_pwait(r1, &(0x7f0000000100)=[{}], 0x1, 0x0, 0x0, 0x0) ioctl(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x1f}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000080)='trusted.overlay.redirect\x00', &(0x7f0000000100)='./file0\x00', 0x8, 0x2) io_destroy(0x0) r3 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r3, 0x4c81, 0x0) keyctl$revoke(0x3, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x10f, 0x87, 0x0, 0x0) eventfd(0x8) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) r4 = getpid() capget(&(0x7f0000000180)={0x19980330, r4}, &(0x7f00000001c0)) ioctl$LOOP_CTL_ADD(r3, 0x4c80, 0x0) [ 64.850899][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.864693][ T8453] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.874748][ T8453] device bridge_slave_1 entered promiscuous mode [ 64.902590][ T8451] team0: Port device team_slave_0 added [ 64.929459][ T8451] team0: Port device team_slave_1 added [ 64.980640][ T8453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 23:46:22 executing program 4: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer\x00', 0x80006, 0x0) write$uinput_user_dev(r0, &(0x7f0000000140)={'\ayz0\x05\xf0\x00\x00\x00\x80\xff\xff\xff\f\x00\x00\xfe\xff\xff\xff\x05\x00\x00\x00\x05\xc0\x00\x00\x05\x00'}, 0x45c) [ 65.121494][ T8451] device hsr_slave_0 entered promiscuous mode [ 65.166520][ T8451] device hsr_slave_1 entered promiscuous mode [ 65.233359][ T8453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.289964][ T8459] IPVS: ftp: loaded support on port[0] = 21 [ 65.352935][ T8451] netdevsim netdevsim0 netdevsim0: renamed from eth0 23:46:22 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$uinput(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/uinput\x00', 0x802, 0x0) write$uinput_user_dev(r3, &(0x7f0000000400)={'syz1\x00'}, 0x45c) r4 = dup(r3) ioctl$UI_SET_SWBIT(r4, 0x4004556d, 0x0) ioctl$UI_SET_EVBIT(r3, 0x40045564, 0x5) ioctl$UI_DEV_CREATE(r3, 0x5501) write$uinput_user_dev(r3, &(0x7f0000000a00)={'syz0\x00', {}, 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, 0x5, 0x100000001]}, 0x45c) [ 65.419883][ T8453] team0: Port device team_slave_0 added [ 65.483601][ T8453] team0: Port device team_slave_1 added [ 65.492173][ T8451] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.549359][ T8451] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.609652][ T8451] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.688423][ T8461] IPVS: ftp: loaded support on port[0] = 21 [ 65.700678][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 65.748671][ T8453] device hsr_slave_0 entered promiscuous mode [ 65.816225][ T8453] device hsr_slave_1 entered promiscuous mode [ 65.875844][ T8453] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.909164][ T8464] IPVS: ftp: loaded support on port[0] = 21 [ 65.944759][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.952522][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.960879][ T8457] device bridge_slave_0 entered promiscuous mode [ 65.992741][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.000622][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.010794][ T8457] device bridge_slave_1 entered promiscuous mode [ 66.061990][ T8453] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.119987][ T8453] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.168625][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.182190][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.212096][ T8457] team0: Port device team_slave_0 added [ 66.218292][ T8453] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.260226][ T8453] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.316751][ T8457] team0: Port device team_slave_1 added [ 66.388689][ T8457] device hsr_slave_0 entered promiscuous mode [ 66.436110][ T8457] device hsr_slave_1 entered promiscuous mode [ 66.485916][ T8457] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.543595][ T8459] chnl_net:caif_netlink_parms(): no params data found [ 66.627485][ T8457] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.683223][ T8457] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.741806][ T8464] chnl_net:caif_netlink_parms(): no params data found [ 66.753543][ T8461] chnl_net:caif_netlink_parms(): no params data found [ 66.781296][ T8457] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.842817][ T8457] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.913191][ T8459] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.922599][ T8459] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.931284][ T8459] device bridge_slave_0 entered promiscuous mode [ 66.941958][ T8459] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.949165][ T8459] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.958496][ T8459] device bridge_slave_1 entered promiscuous mode [ 66.999535][ T8461] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.006732][ T8461] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.014582][ T8461] device bridge_slave_0 entered promiscuous mode [ 67.024171][ T8451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.047259][ T8464] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.054516][ T8464] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.062691][ T8464] device bridge_slave_0 entered promiscuous mode [ 67.072259][ T8464] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.080056][ T8464] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.088070][ T8464] device bridge_slave_1 entered promiscuous mode [ 67.096399][ T8461] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.103492][ T8461] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.113463][ T8461] device bridge_slave_1 entered promiscuous mode [ 67.149785][ T8459] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.165122][ T8461] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.183584][ T8464] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.195032][ T8459] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.206400][ T8461] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.242799][ T8464] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.269990][ T8461] team0: Port device team_slave_0 added [ 67.281789][ T8453] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.307428][ T8459] team0: Port device team_slave_0 added [ 67.316480][ T8461] team0: Port device team_slave_1 added [ 67.324286][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.340690][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.350139][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.361565][ T8464] team0: Port device team_slave_0 added [ 67.369460][ T8464] team0: Port device team_slave_1 added [ 67.377550][ T8459] team0: Port device team_slave_1 added [ 67.418887][ T8451] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.433016][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.441728][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.456824][ T8453] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.467185][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.508949][ T8464] device hsr_slave_0 entered promiscuous mode [ 67.566303][ T8464] device hsr_slave_1 entered promiscuous mode [ 67.606000][ T8464] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.648727][ T8459] device hsr_slave_0 entered promiscuous mode [ 67.707178][ T8459] device hsr_slave_1 entered promiscuous mode [ 67.745947][ T8459] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.762676][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.774077][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.782259][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.791737][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.801164][ T3544] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.808497][ T3544] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.817233][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.827149][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.836027][ T3544] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.843172][ T3544] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.898893][ T8461] device hsr_slave_0 entered promiscuous mode [ 67.936231][ T8461] device hsr_slave_1 entered promiscuous mode [ 67.976071][ T8461] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.985807][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.993771][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.003037][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.011848][ T3544] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.018966][ T3544] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.028517][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.037210][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.045870][ T3544] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.052978][ T3544] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.060940][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.070218][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.078320][ T3544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.151010][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.160208][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.169250][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.178251][ T2906] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.185570][ T2906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.193349][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.202850][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.211969][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.220886][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.229510][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.238383][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.247417][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.255942][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.281670][ T8464] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.337951][ T8459] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.382679][ T8451] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.395137][ T8451] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.403753][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.412012][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.421074][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.429686][ T2906] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.437768][ T2906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.445793][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.446594][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.462975][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.471805][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.480518][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.489155][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.497451][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.507759][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.516987][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.533057][ T8464] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.578149][ T8459] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.631893][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.640642][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.649979][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.686572][ T8464] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.720987][ T8459] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.763357][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.772107][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.780891][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.790425][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.799732][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.808335][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.816949][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.825507][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.834513][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.843371][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.852332][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.860305][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.868068][ T8461] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.908144][ T8461] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.947858][ T8464] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.990317][ T8459] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.049449][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.061993][ T8461] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.108357][ T8461] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.141910][ T8451] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.189368][ T8457] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.211133][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.219739][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.259150][ T8453] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.273780][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.290622][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.343816][ T8464] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.411987][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.425380][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.437328][ T8464] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.458133][ T8459] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.478711][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.494295][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.504014][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.511121][ T8468] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.552746][ T8459] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.570949][ T8461] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.589055][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.602786][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.612648][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.629314][ T2906] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.636431][ T2906] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.651302][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.662637][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.678283][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.691661][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.702366][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.714446][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.733463][ T8464] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.752480][ T8464] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.784446][ T8461] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.803946][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.814756][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.832787][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.843912][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.858854][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.871355][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.881980][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.895034][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.911265][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.921184][ T8468] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.928299][ T8468] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.942966][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.951037][ T8468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.003492][ T8464] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.028295][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.040538][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.064550][ T2906] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 174.345659][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.352585][ C0] rcu: 0-...!: (10499 ticks this GP) idle=a0e/1/0x4000000000000002 softirq=10860/10860 fqs=34 [ 174.363296][ C0] (t=10501 jiffies g=7249 q=1136) [ 174.368418][ C0] rcu: rcu_preempt kthread starved for 10429 jiffies! g7249 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 174.380177][ C0] rcu: RCU grace-period kthread stack dump: [ 174.386086][ C0] rcu_preempt I29032 10 2 0x80004000 [ 174.392441][ C0] Call Trace: [ 174.395745][ C0] __schedule+0x9a0/0xcc0 [ 174.400085][ C0] schedule+0x181/0x210 [ 174.404550][ C0] schedule_timeout+0x14f/0x240 [ 174.409433][ C0] ? run_local_timers+0x120/0x120 [ 174.414466][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.419242][ C0] kthread+0x332/0x350 [ 174.423634][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.428764][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.433397][ C0] ret_from_fork+0x24/0x30 [ 174.437875][ C0] NMI backtrace for cpu 0 [ 174.442207][ C0] CPU: 0 PID: 8471 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 174.450431][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.460621][ C0] Call Trace: [ 174.463926][ C0] [ 174.466818][ C0] dump_stack+0x1fb/0x318 [ 174.471177][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.476221][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.482394][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.488666][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.494684][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.500595][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.505751][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.510949][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.515968][ C0] update_process_times+0x12d/0x180 [ 174.521438][ C0] tick_sched_timer+0x263/0x420 [ 174.526350][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.531914][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.537134][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.542083][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.547368][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.552909][ C0] apic_timer_interrupt+0xf/0x20 [ 174.557834][ C0] [ 174.560770][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 174.567194][ C0] Code: 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 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 eb a3 69 00 48 8b 1b e9 82 ff ff ff e8 de 2c 2e [ 174.586827][ C0] RSP: 0018:ffffc90002be7a50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.595390][ C0] RAX: 1ffff11014975711 RBX: ffff8880a4bab888 RCX: ffff88808ffe0200 [ 174.603762][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023ab040 [ 174.611745][ C0] RBP: ffffc90002be7a88 R08: 000000000003a768 R09: ffffed10131dfabf [ 174.619710][ C0] R10: ffffed10131dfabf R11: 0000000000000000 R12: ffff8880a4bab920 [ 174.627671][ C0] R13: dffffc0000000000 R14: 1ffff11014975724 R15: ffff888098efd5e8 [ 174.635755][ C0] put_task_stack+0xa3/0x130 [ 174.640366][ C0] finish_task_switch+0x3f1/0x550 [ 174.645402][ C0] __schedule+0x9a8/0xcc0 [ 174.649736][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 174.655532][ C0] preempt_schedule_notrace+0xdb/0x120 [ 174.661027][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 174.666704][ C0] ? rcu_is_watching+0x57/0xa0 [ 174.671652][ C0] rcu_is_watching+0x82/0xa0 [ 174.676279][ C0] netlink_release+0x950/0x1720 [ 174.681156][ C0] ? down_write+0xd2/0x140 [ 174.685577][ C0] sock_close+0xe1/0x260 [ 174.689846][ C0] ? sock_mmap+0xa0/0xa0 [ 174.694288][ C0] __fput+0x2e4/0x740 [ 174.698281][ C0] ____fput+0x15/0x20 [ 174.702263][ C0] task_work_run+0x17e/0x1b0 [ 174.706880][ C0] prepare_exit_to_usermode+0x483/0x5b0 [ 174.712461][ C0] syscall_return_slowpath+0x113/0x4a0 [ 174.718200][ C0] do_syscall_64+0x11f/0x1c0 [ 174.723001][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.728894][ C0] RIP: 0033:0x414211 [ 174.732811][ C0] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 174.752446][ C0] RSP: 002b:00007ffcf76d04c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 174.760995][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000414211 [ 174.769008][ C0] RDX: 0000001b2be20000 RSI: 0000000000000000 RDI: 0000000000000003 [ 174.777007][ C0] RBP: 0000000000000001 R08: 00000000662245ed R09: 00000000662245f1 [ 174.785230][ C0] R10: 00007ffcf76d05a0 R11: 0000000000000293 R12: 000000000075bf20 [ 174.793605][ C0] R13: 0000000000010e78 R14: 00000000007603b0 R15: 000000000075bf2c