[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.895497][ T23] audit: type=1800 audit(1575387560.032:25): pid=8061 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.914798][ T23] audit: type=1800 audit(1575387560.032:26): pid=8061 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.963562][ T23] audit: type=1800 audit(1575387560.032:27): pid=8061 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 '10.128.0.124' (ECDSA) to the list of known hosts. 2019/12/03 15:39:28 fuzzer started 2019/12/03 15:39:30 dialing manager at 10.128.0.26:45711 2019/12/03 15:39:30 syscalls: 2689 2019/12/03 15:39:30 code coverage: enabled 2019/12/03 15:39:30 comparison tracing: enabled 2019/12/03 15:39:30 extra coverage: extra coverage is not supported by the kernel 2019/12/03 15:39:30 setuid sandbox: enabled 2019/12/03 15:39:30 namespace sandbox: enabled 2019/12/03 15:39:30 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 15:39:30 fault injection: enabled 2019/12/03 15:39:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 15:39:30 net packet injection: enabled 2019/12/03 15:39:30 net device setup: enabled 2019/12/03 15:39:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 15:39:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 15:39:31 executing program 0: r0 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000100)="2e00000013001707ed12806cd20010e50bfb0d61e18fbd2fe6a5dd80009d00010801000000000300f8d708e82f87", 0x2e}], 0x1, 0x0, 0x0, 0x2}, 0x0) 15:39:31 executing program 1: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='.\x00', 0x0, 0x0) r1 = fanotify_init(0x200, 0x0) fanotify_mark(r1, 0x1, 0x2, r0, 0x0) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='.\x00', 0x0, 0x0) r3 = fanotify_init(0x200, 0x0) fanotify_mark(r3, 0x1, 0x4800003e, r2, 0x0) r4 = open(&(0x7f0000000040)='./bus\x00', 0x1fe, 0x0) write$binfmt_aout(r4, &(0x7f0000000000)=ANY=[@ANYBLOB="e0"], 0x1) 15:39:31 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) close(r0) close(r1) pipe(&(0x7f0000000040)) r2 = socket$can_raw(0x1d, 0x3, 0x1) splice(r2, 0x0, r1, 0x0, 0x2, 0x0) syzkaller login: [ 55.778958][ T8223] IPVS: ftp: loaded support on port[0] = 21 [ 55.792501][ T8225] IPVS: ftp: loaded support on port[0] = 21 [ 56.018491][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 56.042497][ T8225] chnl_net:caif_netlink_parms(): no params data found [ 56.090930][ T8229] IPVS: ftp: loaded support on port[0] = 21 [ 56.125940][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.133061][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state 15:39:32 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) syz_open_procfs(0x0, &(0x7f0000000200)='fd/4\x00\xa7$\xbf\x05l\xb8\t\xd0\x06\xae\b\x86$dV\x92M%\xfd)0m6Z\x05\xae\xa7\rM\bp\xa6Q\x871B\x973\xfe\x05\x12\xf3\xd496\xf9\x1aM6\xb2|\xc5\x05\xbc\xe71g\xe4<&\xd2\xd8g\xb6\xa2U\xae\x9a\x17F\xa5xi\xe8_\xa8R\x96d\x99\xf6_E\xd0\x8f<\xa840\xd6\x84\xd0\x17\xafP\'\xdc{\b\x94\x00Y+\x18N\\\xc9\x1f\a\xf9X\x125\xb9\xd6\xbf\x1a4V\x10\xa6Uq\xceN\xeb\xa8M\xb2?\xda\xfb\xb1\x9d\x94\x13O\xab\xde\xc0t\x8c\")\x05~\x0f\xb8\xf3\xf6d\xbe\xad\xee\"\xaa\x91\x05\xcb9A\x1a\x8d&\x9e\x81\xcf\x9eWvT\x8a\xbfl\x8a\x83%\xec\x94\xfd\x90\xeb\xb3\xa3\xa8\x90\x90\xdb\xc2X\xf48\xd1\x83Eu\xe5c\xd7\xb7qe\xab\xae\xef*\x9e\x95\xde\xa0\x894r[\\\xc4?\xb7\xcfo\xdb\xbeR\xc5\xbc\xb34\xbe}\xf7n/4}\xbc.t\x94\x1c%\xcb\x93\xea\"Aa(\xd6FX\xd8\b\xd1\x10N{\xe8\xbc)\xc8\x1e6\xff\x95\xa3\xf3\x84\xf4\xa5\xe8f\xc2@\x1f7h\xb3\xd6\xab\x9a\x03\x95>V\\\xc4%T\x94M\xc7`\x83\xa1\xa0\xc8gn\xe3\xfe\xef[\xb3\xbd\x18R\x1b=\xab\x97$\x03\xaa\x84C\x0eWD\xeea\xf5\xb9\x82\xea\xbd5:\"\xf6f/\xa1\x8f%8\xa8\x1e\xcf\xb6\xa7\xe1\x1b1\x94\xc1G\xf9\xfc\xc77\x1c\x00'/370) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000005d00)={&(0x7f0000000180)=@newlink={0x8c, 0x10, 0xd07, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x60, 0x12, @ip6gre={{0xc, 0x1, 'ip6gre\x00'}, {0x50, 0x2, [@gre_common_policy=[@IFLA_GRE_ERSPAN_DIR={0x8, 0x17, 0x1}, @IFLA_GRE_ENCAP_FLAGS={0x8, 0xf, 0x7}, @IFLA_GRE_ERSPAN_HWID={0x8, 0x18, 0x1}, @IFLA_GRE_FWMARK={0x8, 0x14, 0x3}, @IFLA_GRE_ERSPAN_HWID={0x8, 0x18, 0x5875}, @IFLA_GRE_COLLECT_METADATA={0x4}, @IFLA_GRE_ERSPAN_INDEX={0x8, 0x15, 0x801a}, @IFLA_GRE_IKEY={0x8, 0x4, 0x7}, @IFLA_GRE_IKEY={0x8, 0x4, 0x790}, @IFLA_GRE_ERSPAN_INDEX={0x8, 0x15, 0x692eb}]]}}}, @IFLA_BROADCAST={0xc, 0x3, @local}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8004}, 0x0) [ 56.141869][ T8223] device bridge_slave_0 entered promiscuous mode [ 56.176115][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.183282][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.191998][ T8223] device bridge_slave_1 entered promiscuous mode [ 56.202891][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.210757][ T8225] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.221245][ T8225] device bridge_slave_0 entered promiscuous mode [ 56.252520][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.260810][ T8225] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.268862][ T8225] device bridge_slave_1 entered promiscuous mode [ 56.290194][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.346931][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.372285][ T8225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.418798][ T8225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.428954][ T8232] IPVS: ftp: loaded support on port[0] = 21 [ 56.449249][ T8229] chnl_net:caif_netlink_parms(): no params data found 15:39:32 executing program 4: setpriority(0x0, 0xffffffffffffffff, 0x0) [ 56.466792][ T8223] team0: Port device team_slave_0 added [ 56.508114][ T8223] team0: Port device team_slave_1 added [ 56.524095][ T8225] team0: Port device team_slave_0 added [ 56.568832][ T8225] team0: Port device team_slave_1 added [ 56.629618][ T8223] device hsr_slave_0 entered promiscuous mode [ 56.685410][ T8223] device hsr_slave_1 entered promiscuous mode 15:39:32 executing program 5: fanotify_init(0x0, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x3, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000100)='fdinfo/3\x00') sendfile(r2, r3, 0x0, 0x80000001) [ 56.758766][ T8229] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.768779][ T8234] IPVS: ftp: loaded support on port[0] = 21 [ 56.773613][ T8229] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.783725][ T8229] device bridge_slave_0 entered promiscuous mode [ 56.876794][ T8225] device hsr_slave_0 entered promiscuous mode [ 56.915397][ T8225] device hsr_slave_1 entered promiscuous mode [ 56.965494][ T8225] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.973327][ T8229] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.980500][ T8229] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.989652][ T8229] device bridge_slave_1 entered promiscuous mode [ 57.034749][ T8229] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.051135][ T8236] IPVS: ftp: loaded support on port[0] = 21 [ 57.072264][ T8229] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.149082][ T8223] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.208560][ T8229] team0: Port device team_slave_0 added [ 57.214354][ T8223] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.282190][ T8232] chnl_net:caif_netlink_parms(): no params data found [ 57.290851][ T8225] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.347806][ T8225] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.388603][ T8229] team0: Port device team_slave_1 added [ 57.394338][ T8225] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.448034][ T8223] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.522436][ T8225] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.556418][ T8223] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.686794][ T8229] device hsr_slave_0 entered promiscuous mode [ 57.715559][ T8229] device hsr_slave_1 entered promiscuous mode [ 57.755215][ T8229] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.762910][ T8234] chnl_net:caif_netlink_parms(): no params data found [ 57.809516][ T8234] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.816784][ T8234] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.827007][ T8234] device bridge_slave_0 entered promiscuous mode [ 57.834737][ T8234] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.843008][ T8234] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.850834][ T8234] device bridge_slave_1 entered promiscuous mode [ 57.858327][ T8232] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.865646][ T8232] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.873196][ T8232] device bridge_slave_0 entered promiscuous mode [ 57.930137][ T8234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.940759][ T8232] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.948336][ T8232] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.956342][ T8232] device bridge_slave_1 entered promiscuous mode [ 57.988862][ T8234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.009038][ T8232] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.032223][ T8229] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.081714][ T8234] team0: Port device team_slave_0 added [ 58.088745][ T8232] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.100431][ T8236] chnl_net:caif_netlink_parms(): no params data found [ 58.112617][ T8229] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.158460][ T8234] team0: Port device team_slave_1 added [ 58.228166][ T8234] device hsr_slave_0 entered promiscuous mode [ 58.296424][ T8234] device hsr_slave_1 entered promiscuous mode [ 58.345145][ T8234] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.352724][ T8229] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.410909][ T8229] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.464034][ T8232] team0: Port device team_slave_0 added [ 58.472668][ T8232] team0: Port device team_slave_1 added [ 58.557556][ T8232] device hsr_slave_0 entered promiscuous mode [ 58.595394][ T8232] device hsr_slave_1 entered promiscuous mode [ 58.645158][ T8232] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.670563][ T8236] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.678343][ T8236] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.686392][ T8236] device bridge_slave_0 entered promiscuous mode [ 58.714089][ T8236] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.722523][ T8236] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.730605][ T8236] device bridge_slave_1 entered promiscuous mode [ 58.753781][ T8225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.760927][ T8234] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.808500][ T8234] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.879638][ T8236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.898511][ T8236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.917990][ T8234] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.969253][ T8234] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.021946][ T8232] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.097361][ T8232] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.158213][ T8232] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.197971][ T8232] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.239324][ T8236] team0: Port device team_slave_0 added [ 59.260245][ T8223] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.270913][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.280282][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.289852][ T8236] team0: Port device team_slave_1 added [ 59.301542][ T8225] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.322293][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.331878][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.343960][ T2757] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.351409][ T2757] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.360796][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.369658][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.378269][ T2757] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.385359][ T2757] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.392818][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.402258][ T2757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.425563][ T8229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.444244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.452700][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.473872][ T8223] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.498053][ T8236] device hsr_slave_0 entered promiscuous mode [ 59.525453][ T8236] device hsr_slave_1 entered promiscuous mode [ 59.575158][ T8236] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.595675][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.604272][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.612606][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.621602][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.630995][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.639482][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.647999][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.656532][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.664959][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.674373][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.700771][ T8229] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.711621][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.720754][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.746754][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.763830][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.772892][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.782190][ T2726] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.789341][ T2726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.797920][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.806871][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.815539][ T2726] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.822578][ T2726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.831468][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.839916][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.858412][ T8236] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.893043][ T8236] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.941613][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.950266][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.958895][ T8239] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.965994][ T8239] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.973627][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.982709][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.991471][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.000085][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.008589][ T8239] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.015682][ T8239] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.034780][ T8234] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.044026][ T8236] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.117480][ T8236] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.166014][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.174507][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.183236][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.193445][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.202398][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.210151][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.218160][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.243268][ T8225] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.252728][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.262490][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.272811][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.281174][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.290005][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.298350][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.306759][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.315627][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.324850][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.369359][ T8223] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.386911][ T8234] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.393970][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.403469][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.412599][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.421394][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.430314][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.438675][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.447290][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.454688][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.462224][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.470062][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.479748][ T8229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.498101][ T8232] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.551046][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.559026][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.567249][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.577101][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.586475][ T2726] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.593534][ T2726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.604622][ T8232] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.655932][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.663945][ T8239] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 165.684988][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.691763][ C1] rcu: 1-...!: (10499 ticks this GP) idle=672/1/0x4000000000000002 softirq=11327/11327 fqs=0 [ 165.702239][ C1] (t=10500 jiffies g=6589 q=70) [ 165.707178][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6589 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.718256][ C1] rcu: RCU grace-period kthread stack dump: [ 165.724132][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.732017][ C1] Call Trace: [ 165.735307][ C1] __schedule+0x9a0/0xcc0 [ 165.739631][ C1] schedule+0x181/0x210 [ 165.743774][ C1] schedule_timeout+0x14f/0x240 [ 165.748615][ C1] ? run_local_timers+0x120/0x120 [ 165.753978][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.758741][ C1] kthread+0x332/0x350 [ 165.762795][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.767906][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.772486][ C1] ret_from_fork+0x24/0x30 [ 165.776910][ C1] NMI backtrace for cpu 1 [ 165.781239][ C1] CPU: 1 PID: 8243 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 165.788685][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.798722][ C1] Call Trace: [ 165.801990][ C1] [ 165.804831][ C1] dump_stack+0x1fb/0x318 [ 165.809151][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.813986][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.820148][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.826201][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.832168][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.838046][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.843147][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.848470][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.853493][ C1] update_process_times+0x12d/0x180 [ 165.858705][ C1] tick_sched_timer+0x263/0x420 [ 165.863566][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.869130][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.874345][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.879302][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.884575][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.890111][ C1] apic_timer_interrupt+0xf/0x20 [ 165.895060][ C1] [ 165.897987][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 165.903705][ C1] Code: 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 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 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 165.923293][ C1] RSP: 0018:ffffc900022479f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.931789][ C1] RAX: 1ffff110123e8611 RBX: ffff888091f43088 RCX: 0000000000000000 [ 165.939745][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024fdc00 [ 165.947789][ C1] RBP: ffffc90002247a28 R08: 000000000003a768 R09: ffffed1012722697 [ 165.955745][ C1] R10: ffffed1012722697 R11: 0000000000000000 R12: ffff888091f43120 [ 165.963716][ C1] R13: dffffc0000000000 R14: 1ffff110123e8624 R15: ffff8880939134a8 [ 165.971697][ C1] put_task_stack+0xa3/0x130 [ 165.976286][ C1] finish_task_switch+0x3f1/0x550 [ 165.981325][ C1] __schedule+0x9a8/0xcc0 [ 165.985679][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.990789][ C1] preempt_schedule+0xdb/0x120 [ 165.995566][ C1] ___preempt_schedule+0x16/0x18 [ 166.000525][ C1] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 166.006153][ C1] __wake_up_sync_key+0xe2/0x150 [ 166.011088][ C1] pipe_release+0x17b/0x330 [ 166.015594][ C1] ? fifo_open+0xc70/0xc70 [ 166.019998][ C1] __fput+0x2e4/0x740 [ 166.023982][ C1] ____fput+0x15/0x20 [ 166.027949][ C1] task_work_run+0x17e/0x1b0 [ 166.032541][ C1] do_exit+0x5c4/0x2020 [ 166.036698][ C1] ? check_preemption_disabled+0xb4/0x260 [ 166.042409][ C1] do_group_exit+0x15c/0x2b0 [ 166.046988][ C1] __do_sys_exit_group+0x17/0x20 [ 166.051911][ C1] __se_sys_exit_group+0x14/0x20 [ 166.056834][ C1] __x64_sys_exit_group+0x3b/0x40 [ 166.061859][ C1] do_syscall_64+0xf7/0x1c0 [ 166.066355][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.072233][ C1] RIP: 0033:0x7fb24fa701e8 [ 166.076648][ C1] Code: Bad RIP value. [ 166.080698][ C1] RSP: 002b:00007ffcb1958a08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 166.089181][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb24fa701e8 [ 166.097139][ C1] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 166.105098][ C1] RBP: 00007fb24fd45840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 166.115486][ C1] R10: 00007fb24fd4b740 R11: 0000000000000246 R12: 00007fb24fd45840 [ 166.123480][ C1] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000