[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.640602][ T25] audit: type=1800 audit(1575362602.926:25): pid=8237 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.671471][ T25] audit: type=1800 audit(1575362602.926:26): pid=8237 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.702129][ T25] audit: type=1800 audit(1575362602.926:27): pid=8237 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. 2019/12/03 08:43:33 fuzzer started syzkaller login: [ 62.443813][ T8397] as (8397) used greatest stack depth: 23416 bytes left 2019/12/03 08:43:35 dialing manager at 10.128.0.26:38907 2019/12/03 08:43:35 syscalls: 2697 2019/12/03 08:43:35 code coverage: enabled 2019/12/03 08:43:35 comparison tracing: enabled 2019/12/03 08:43:35 extra coverage: extra coverage is not supported by the kernel 2019/12/03 08:43:35 setuid sandbox: enabled 2019/12/03 08:43:35 namespace sandbox: enabled 2019/12/03 08:43:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 08:43:35 fault injection: enabled 2019/12/03 08:43:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 08:43:35 net packet injection: enabled 2019/12/03 08:43:35 net device setup: enabled 2019/12/03 08:43:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 08:43:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:43:36 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000002c0)={0x14, 0x13, 0x100000000401}, 0x14}}, 0x0) 08:43:36 executing program 1: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-control\x00', 0x1, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f00000001c0)={0x0, 0x0}, &(0x7f0000000200)=0x7) setreuid(0x0, r2) write$9p(r0, &(0x7f0000000000)="0600000000000000c9b90003050200002a1ff7adf576f3790f68bc2c197cbf8d63735a09ab8383afd2de1a5587fe067fde18fa64249e1dabdd9514480a16f3733d18f833b3aacfcf04f7b0bdd78687423a6bff51b9f9218a249e3d00"/104, 0xb3) [ 64.218402][ T8403] IPVS: ftp: loaded support on port[0] = 21 08:43:36 executing program 2: unshare(0x2a000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/pmtu_disc\x00', 0x2, 0x0) inotify_add_watch(r2, 0x0, 0x71000106) [ 64.390617][ T8403] chnl_net:caif_netlink_parms(): no params data found [ 64.401390][ T8406] IPVS: ftp: loaded support on port[0] = 21 [ 64.471528][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.480468][ T8403] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.489771][ T8403] device bridge_slave_0 entered promiscuous mode [ 64.500468][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.508425][ T8403] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.516803][ T8403] device bridge_slave_1 entered promiscuous mode [ 64.557410][ T8403] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.571196][ T8403] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.611367][ T8403] team0: Port device team_slave_0 added [ 64.657475][ T8403] team0: Port device team_slave_1 added 08:43:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000a40)=@newlink={0xa8, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_XDP={0x80, 0x2b, [@IFLA_XDP_FD={0x7c, 0x1, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}}]}, @IFLA_GROUP={0x8}]}, 0xa8}}, 0x0) [ 64.707966][ T8406] chnl_net:caif_netlink_parms(): no params data found [ 64.767755][ T8403] device hsr_slave_0 entered promiscuous mode [ 64.854592][ T8403] device hsr_slave_1 entered promiscuous mode 08:43:37 executing program 4: r0 = socket(0x40000000015, 0x5, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @loopback}, 0x10) bind$inet(r0, &(0x7f0000000340)={0x2, 0x4e20, @loopback}, 0x10) sendmsg$xdp(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000001300)="fe", 0x1}], 0x1}, 0x0) recvfrom$inet(r0, 0x0, 0xfffffee2, 0x0, 0x0, 0xfffffffffffffd02) [ 64.961634][ T8409] IPVS: ftp: loaded support on port[0] = 21 [ 64.990977][ T8411] IPVS: ftp: loaded support on port[0] = 21 [ 65.080097][ T8406] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.092193][ T8406] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.101567][ T8406] device bridge_slave_0 entered promiscuous mode [ 65.116248][ T8403] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.195811][ T8406] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.203472][ T8406] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.213618][ T8406] device bridge_slave_1 entered promiscuous mode [ 65.221457][ T8403] netdevsim netdevsim0 netdevsim1: renamed from eth1 08:43:37 executing program 5: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0xe04e3399474f062b, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200), 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x0) sched_setparam(0x0, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000100)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f00000001c0)={{0x80}, 'p\xefr\xff\a\x00\x00\x00\x00\x00\x00\x1f\x00\x00\x00\x00\x00\v\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1f\x00\x00\xff\xff\xff\x03\x00\x80\x00\xef\x00\x00\x03\xff\x02\x00\x00\x00\x00(gI/\x00\x00\x00\x00\x00\ro\x00\x06\x00', 0x0, 0x80003}) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) write(0xffffffffffffffff, 0x0, 0x0) [ 65.290174][ T8406] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.315169][ T8403] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.318724][ T8413] IPVS: ftp: loaded support on port[0] = 21 [ 65.387042][ T8403] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.468982][ T8406] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.494329][ T8406] team0: Port device team_slave_0 added [ 65.524461][ T8406] team0: Port device team_slave_1 added [ 65.547524][ T8415] IPVS: ftp: loaded support on port[0] = 21 [ 65.596745][ T8409] chnl_net:caif_netlink_parms(): no params data found [ 65.665745][ T8406] device hsr_slave_0 entered promiscuous mode [ 65.714091][ T8406] device hsr_slave_1 entered promiscuous mode [ 65.753804][ T8406] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.795879][ T8409] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.803028][ T8409] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.811106][ T8409] device bridge_slave_0 entered promiscuous mode [ 65.821515][ T8409] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.828929][ T8409] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.837285][ T8409] device bridge_slave_1 entered promiscuous mode [ 65.891526][ T8409] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.903310][ T8409] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.943392][ T8406] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.969606][ T8411] chnl_net:caif_netlink_parms(): no params data found [ 65.989405][ T8409] team0: Port device team_slave_0 added [ 66.013055][ T8406] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.067534][ T8406] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.118582][ T8406] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.176662][ T8409] team0: Port device team_slave_1 added [ 66.231684][ T8411] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.239341][ T8411] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.247116][ T8411] device bridge_slave_0 entered promiscuous mode [ 66.306167][ T8409] device hsr_slave_0 entered promiscuous mode [ 66.344000][ T8409] device hsr_slave_1 entered promiscuous mode [ 66.394439][ T8409] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.406915][ T8413] chnl_net:caif_netlink_parms(): no params data found [ 66.421735][ T8411] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.429235][ T8411] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.437018][ T8411] device bridge_slave_1 entered promiscuous mode [ 66.480845][ T8411] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.519260][ T8411] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.536539][ T8409] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.587399][ T8409] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.647413][ T8409] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.707590][ T8403] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.750679][ T8409] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.786924][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.794178][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.801850][ T8413] device bridge_slave_0 entered promiscuous mode [ 66.817698][ T8411] team0: Port device team_slave_0 added [ 66.840795][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.848735][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.857648][ T8413] device bridge_slave_1 entered promiscuous mode [ 66.866165][ T8411] team0: Port device team_slave_1 added [ 66.877837][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.887448][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.900016][ T8403] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.925802][ T8415] chnl_net:caif_netlink_parms(): no params data found [ 66.976887][ T8411] device hsr_slave_0 entered promiscuous mode [ 67.024705][ T8411] device hsr_slave_1 entered promiscuous mode [ 67.083779][ T8411] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.092910][ T8413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.106362][ T8413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.151931][ T8413] team0: Port device team_slave_0 added [ 67.159711][ T8413] team0: Port device team_slave_1 added [ 67.175648][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.185060][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.193450][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.200698][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.209178][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.218156][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.227043][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.234140][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.255075][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.286029][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.299427][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.308285][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.317348][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.325910][ T3840] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.355927][ T8415] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.363014][ T8415] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.370999][ T8415] device bridge_slave_0 entered promiscuous mode [ 67.379668][ T8415] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.387750][ T8415] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.395750][ T8415] device bridge_slave_1 entered promiscuous mode [ 67.412855][ T8406] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.427166][ T8411] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.457864][ T8411] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.520007][ T8411] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.626942][ T8413] device hsr_slave_0 entered promiscuous mode [ 67.654036][ T8413] device hsr_slave_1 entered promiscuous mode [ 67.693718][ T8413] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.704554][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.713750][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.727747][ T8411] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.787627][ T8415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.801985][ T8415] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.829079][ T8406] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.855965][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.864876][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.873436][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.881394][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.889378][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.898776][ T3035] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.916959][ T8415] team0: Port device team_slave_0 added [ 67.926775][ T8403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.946790][ T8415] team0: Port device team_slave_1 added [ 67.957098][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.966916][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.976432][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.984378][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.992527][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.018364][ T8409] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.040433][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.049979][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.059786][ T8413] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.148409][ T8415] device hsr_slave_0 entered promiscuous mode [ 68.194110][ T8415] device hsr_slave_1 entered promiscuous mode [ 68.244632][ T8415] debugfs: Directory 'hsr0' with parent '/' already present! [ 68.257450][ T8413] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.316357][ T8413] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.357192][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.366186][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.375043][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.382223][ T8419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.390057][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.399311][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.407302][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.431263][ T8403] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.440962][ T8409] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.461727][ T8413] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.495446][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.504535][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.513309][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.522011][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.529113][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.539156][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.547873][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.557018][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.606752][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.615024][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.625136][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.638594][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.645864][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.654636][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.663266][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.672202][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.681251][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.689663][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.698238][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.708780][ T8411] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.717504][ T8415] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.789409][ T8421] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.800885][ T8421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.811705][ T8421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.826403][ T8415] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 173.843546][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 173.850850][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8425 [ 173.858341][ C0] (detected by 0, t=10503 jiffies, g=6941, q=194) [ 173.864832][ C0] syz-executor.0 R running task 28304 8425 8403 0x0000400e [ 173.872912][ C0] Call Trace: [ 173.876197][ C0] [ 173.879056][ C0] sched_show_task+0x40f/0x560 [ 173.883829][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 173.889144][ C0] update_process_times+0x12d/0x180 [ 173.894773][ C0] tick_sched_timer+0x263/0x420 [ 173.899615][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.905153][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.910404][ C0] hrtimer_interrupt+0x38c/0xda0 [ 173.915368][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.920653][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 173.926189][ C0] apic_timer_interrupt+0xf/0x20 [ 173.931112][ C0] [ 173.934217][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 173.939923][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 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 [ 173.959609][ C0] RSP: 0018:ffffc900020574b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.968004][ C0] RAX: 0000000000000001 RBX: ffffea00026aa580 RCX: 0000000000000000 [ 173.975974][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00026aa580 [ 173.983933][ C0] RBP: ffffc900020574e8 R08: 000000000003a768 R09: fffffbfff120248a [ 173.991894][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a37c0da0 [ 173.999869][ C0] R13: dffffc0000000000 R14: 1ffff110146f81b4 R15: ffff88809896da68 [ 174.007866][ C0] put_task_stack+0xa3/0x130 [ 174.012511][ C0] finish_task_switch+0x3f1/0x550 [ 174.017554][ C0] __schedule+0x9a8/0xcc0 [ 174.021914][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 174.027714][ C0] preempt_schedule_notrace+0xdb/0x120 [ 174.033255][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 174.038896][ C0] ? rcu_is_watching+0x57/0xa0 [ 174.043650][ C0] rcu_is_watching+0x82/0xa0 [ 174.048258][ C0] memcg_kmem_get_cache+0x301/0x590 [ 174.053447][ C0] ? __should_failslab+0x11a/0x160 [ 174.058606][ C0] ? proc_alloc_inode+0x1f/0xe0 [ 174.063471][ C0] kmem_cache_alloc+0x86/0x2e0 [ 174.068249][ C0] ? init_once+0x20/0x20 [ 174.072501][ C0] proc_alloc_inode+0x1f/0xe0 [ 174.077166][ C0] ? init_once+0x20/0x20 [ 174.081402][ C0] new_inode_pseudo+0x68/0x240 [ 174.086159][ C0] new_inode+0x28/0x1c0 [ 174.090326][ C0] proc_pid_make_inode+0x27/0x1d0 [ 174.095431][ C0] proc_pid_instantiate+0x4f/0x1a0 [ 174.100533][ C0] proc_pid_lookup+0x21f/0x300 [ 174.105292][ C0] proc_root_lookup+0x22/0x50 [ 174.109958][ C0] __lookup_slow+0x285/0x380 [ 174.114555][ C0] walk_component+0x2d6/0x7b0 [ 174.119252][ C0] ? inode_permission+0xe0/0x520 [ 174.124185][ C0] link_path_walk+0x75b/0x1410 [ 174.128954][ C0] path_openat+0x139/0x44a0 [ 174.133453][ C0] ? __kasan_kmalloc+0x178/0x1b0 [ 174.138387][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 174.144123][ C0] do_filp_open+0x192/0x3d0 [ 174.148629][ C0] ? noop_direct_IO+0x20/0x20 [ 174.153314][ C0] do_sys_open+0x29f/0x560 [ 174.157732][ C0] __x64_sys_open+0x87/0x90 [ 174.162312][ C0] do_syscall_64+0xf7/0x1c0 [ 174.166858][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.172757][ C0] RIP: 0033:0x4143f0 [ 174.176648][ C0] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 7d 40 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 174.196269][ C0] RSP: 002b:00007ffcff99e558 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 174.204674][ C0] RAX: ffffffffffffffda RBX: 00007ffcff99e584 RCX: 00000000004143f0 [ 174.212641][ C0] RDX: 00007ffcff99e58a RSI: 0000000000080001 RDI: 00000000004c00fb [ 174.220616][ C0] RBP: 00007ffcff99e580 R08: 0000000000000000 R09: 0000000000000004 [ 174.228619][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c00fb [ 174.236611][ C0] R13: 00007ffcff99eaa0 R14: 0000000000000000 R15: 00007ffcff99eab0 [ 174.244610][ C0] rcu: rcu_preempt kthread starved for 4978 jiffies! g6941 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.255627][ C0] rcu: RCU grace-period kthread stack dump: [ 174.261507][ C0] rcu_preempt R running task 28536 10 2 0x80004000 [ 174.269396][ C0] Call Trace: [ 174.272769][ C0] __schedule+0x9a0/0xcc0 [ 174.277097][ C0] schedule+0x181/0x210 [ 174.281245][ C0] schedule_timeout+0x14f/0x240 [ 174.286086][ C0] ? run_local_timers+0x120/0x120 [ 174.291106][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.295870][ C0] kthread+0x332/0x350 [ 174.299925][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.305023][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.309608][ C0] ret_from_fork+0x24/0x30