[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.406744][ T23] audit: type=1800 audit(1575451663.311:25): pid=8046 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.425745][ T23] audit: type=1800 audit(1575451663.311:26): pid=8046 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.477611][ T23] audit: type=1800 audit(1575451663.321:27): pid=8046 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 '10.128.0.117' (ECDSA) to the list of known hosts. 2019/12/04 09:27:53 fuzzer started 2019/12/04 09:27:55 dialing manager at 10.128.0.26:36481 2019/12/04 09:27:55 syscalls: 2691 2019/12/04 09:27:55 code coverage: enabled 2019/12/04 09:27:55 comparison tracing: enabled 2019/12/04 09:27:55 extra coverage: extra coverage is not supported by the kernel 2019/12/04 09:27:55 setuid sandbox: enabled 2019/12/04 09:27:55 namespace sandbox: enabled 2019/12/04 09:27:55 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 09:27:55 fault injection: enabled 2019/12/04 09:27:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 09:27:55 net packet injection: enabled 2019/12/04 09:27:55 net device setup: enabled 2019/12/04 09:27:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 09:27:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:27:56 executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) bpf$BPF_MAP_GET_FD_BY_ID(0xe, 0x0, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 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) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40086602, 0x400007) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000040)=ANY=[@ANYPTR64], 0xff39) write$cgroup_pid(r1, &(0x7f0000000000), 0x10000000d) 09:27:56 executing program 1: mkdir(&(0x7f0000002000)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) lremovexattr(&(0x7f0000000100)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', &(0x7f0000000180)=@known='security.apparmor\x00') syzkaller login: [ 56.519477][ T8211] IPVS: ftp: loaded support on port[0] = 21 09:27:56 executing program 2: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) writev(r1, &(0x7f0000000200)=[{&(0x7f00000000c0)="580000001400ad", 0x7}], 0x1) sendmmsg$alg(0xffffffffffffffff, &(0x7f0000000180)=[{0x3, 0x300000000000000, &(0x7f0000000080)}], 0x1, 0x0) write$binfmt_elf64(r1, &(0x7f0000000740)=ANY=[@ANYBLOB="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"], 0xa) close(r2) socket(0x10, 0x3, 0x0) write(0xffffffffffffffff, &(0x7f0000000180)="2000008012005fff", 0x8) writev(r1, &(0x7f0000000600)=[{&(0x7f0000000380)="f98ac693ce6908", 0x7}], 0x1) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) accept4$packet(0xffffffffffffffff, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000180)=0x14, 0x0) write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0xfef0) splice(r0, 0x0, r2, 0x0, 0x80000001, 0x0) [ 56.675971][ T8214] IPVS: ftp: loaded support on port[0] = 21 [ 56.686639][ T8211] chnl_net:caif_netlink_parms(): no params data found [ 56.744260][ T8211] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.761389][ T8211] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.780687][ T8211] device bridge_slave_0 entered promiscuous mode [ 56.822716][ T8211] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.829803][ T8211] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.852292][ T8211] device bridge_slave_1 entered promiscuous mode [ 56.882731][ T8216] IPVS: ftp: loaded support on port[0] = 21 [ 56.909296][ T8211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.935697][ T8211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:27:56 executing program 3: socketpair$unix(0x1, 0x0, 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x2, 0x0) write$uinput_user_dev(r0, &(0x7f0000000080)={'syz1\x00'}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x1) ioctl$UI_SET_KEYBIT(r0, 0x40045565, 0x38) ioctl$UI_DEV_CREATE(r0, 0x5501) ioctl$UI_DEV_DESTROY(r0, 0x5502) [ 57.000361][ T8211] team0: Port device team_slave_0 added [ 57.024826][ T8211] team0: Port device team_slave_1 added [ 57.030600][ T8214] chnl_net:caif_netlink_parms(): no params data found [ 57.144722][ T8211] device hsr_slave_0 entered promiscuous mode [ 57.182504][ T8211] device hsr_slave_1 entered promiscuous mode 09:27:57 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = dup(r0) openat$apparmor_thread_current(0xffffffffffffff9c, 0x0, 0x2, 0x0) getsockopt$bt_hci(r1, 0x0, 0x1, 0x0, &(0x7f0000000140)) ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) [ 57.264735][ T8219] IPVS: ftp: loaded support on port[0] = 21 [ 57.305161][ T8214] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.321418][ T8214] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.341454][ T8214] device bridge_slave_0 entered promiscuous mode [ 57.386767][ T8214] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.401459][ T8214] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.409363][ T8214] device bridge_slave_1 entered promiscuous mode [ 57.447387][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 57.501183][ T8222] IPVS: ftp: loaded support on port[0] = 21 [ 57.518790][ T8211] netdevsim netdevsim0 netdevsim0: renamed from eth0 09:27:57 executing program 5: r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000080)='/dev/adsp1\x00', 0x0, 0x0) read$dsp(r0, &(0x7f00000000c0)=""/202, 0xca) ioctl$SNDCTL_DSP_STEREO(r0, 0xc0045005, &(0x7f0000000000)=0x2) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) dup3(r2, r0, 0x0) [ 57.598451][ T8214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.620191][ T8211] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.710220][ T8214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.729291][ T8211] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.780285][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.787949][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.795748][ T8216] device bridge_slave_0 entered promiscuous mode [ 57.804635][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.811838][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.819359][ T8216] device bridge_slave_1 entered promiscuous mode [ 57.837454][ T8214] team0: Port device team_slave_0 added [ 57.843831][ T8211] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.913466][ T8214] team0: Port device team_slave_1 added [ 57.921708][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.933607][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.961996][ T8224] IPVS: ftp: loaded support on port[0] = 21 [ 58.084419][ T8214] device hsr_slave_0 entered promiscuous mode [ 58.151831][ T8214] device hsr_slave_1 entered promiscuous mode [ 58.191550][ T8214] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.203313][ T8216] team0: Port device team_slave_0 added [ 58.212946][ T8219] chnl_net:caif_netlink_parms(): no params data found [ 58.246245][ T8216] team0: Port device team_slave_1 added [ 58.283490][ T8222] chnl_net:caif_netlink_parms(): no params data found [ 58.354076][ T8216] device hsr_slave_0 entered promiscuous mode [ 58.391588][ T8216] device hsr_slave_1 entered promiscuous mode [ 58.441539][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.470610][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.478086][ T8219] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.486125][ T8219] device bridge_slave_0 entered promiscuous mode [ 58.499330][ T8214] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.554082][ T8214] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.613004][ T8214] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.653022][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.660102][ T8219] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.668627][ T8219] device bridge_slave_1 entered promiscuous mode [ 58.717855][ T8214] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.795007][ T8219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.830693][ T8222] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.837918][ T8222] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.845475][ T8222] device bridge_slave_0 entered promiscuous mode [ 58.857816][ T8219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.873447][ T8216] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.895125][ T8216] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.934643][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.942435][ T8222] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.949979][ T8222] device bridge_slave_1 entered promiscuous mode [ 58.969593][ T8224] chnl_net:caif_netlink_parms(): no params data found [ 58.978483][ T8216] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.038144][ T8211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.048710][ T8216] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.075321][ T8222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.087330][ T8222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.098330][ T8219] team0: Port device team_slave_0 added [ 59.105424][ T8219] team0: Port device team_slave_1 added [ 59.204928][ T8219] device hsr_slave_0 entered promiscuous mode [ 59.241781][ T8219] device hsr_slave_1 entered promiscuous mode [ 59.281487][ T8219] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.291922][ T8222] team0: Port device team_slave_0 added [ 59.302970][ T8224] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.310077][ T8224] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.318325][ T8224] device bridge_slave_0 entered promiscuous mode [ 59.327816][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.336491][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.347775][ T8211] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.360686][ T8222] team0: Port device team_slave_1 added [ 59.373401][ T8224] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.380483][ T8224] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.388533][ T8224] device bridge_slave_1 entered promiscuous mode [ 59.434431][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.443097][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.451619][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.458795][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.466963][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.475788][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.484215][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.491320][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.504888][ T8219] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.594248][ T8222] device hsr_slave_0 entered promiscuous mode [ 59.621804][ T8222] device hsr_slave_1 entered promiscuous mode [ 59.661464][ T8222] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.682425][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.691208][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.699902][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.708826][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.718200][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.726573][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.734981][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.743377][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.751733][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.759854][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.768173][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.777142][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.799394][ T8224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.813497][ T8219] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.851225][ T8224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.871175][ T8219] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.916191][ T8219] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.989311][ T8214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.007745][ T8224] team0: Port device team_slave_0 added [ 60.015529][ T8224] team0: Port device team_slave_1 added [ 60.040561][ T8216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.059311][ T8214] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.067286][ T8222] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.103520][ T8222] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.151888][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.159282][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.166800][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.174642][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.193257][ T8216] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.202088][ T8211] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.218851][ T8222] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.268693][ T8222] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.346046][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.353848][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.361606][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.370057][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.379498][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.386586][ T8227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.394966][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.403717][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.412237][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.419287][ T8227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.426930][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.435797][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.444228][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.451334][ T8227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.458955][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.468495][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.476485][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.524207][ T8224] device hsr_slave_0 entered promiscuous mode [ 60.552046][ T8224] device hsr_slave_1 entered promiscuous mode [ 60.621568][ T8224] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.638129][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.646717][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.655362][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.663854][ T2924] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.670881][ T2924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.678783][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.687264][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.695696][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.704993][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.723050][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.753056][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.767570][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.776584][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.785856][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.794509][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.803232][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.811953][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.828101][ T8216] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.839261][ T8216] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.878752][ T8219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.893296][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.902182][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.911085][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.927243][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.936628][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.949420][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.980567][ T8216] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.017291][ T8224] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 165.941264][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.948274][ C1] (detected by 1, t=10502 jiffies, g=6361, q=241) [ 165.954760][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953722-4294943219), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.968219][ C1] syz-executor.0 R running task 25680 8234 8211 0x0000400e [ 165.976134][ C1] Call Trace: [ 165.979413][ C1] [ 165.982380][ C1] sched_show_task+0x40f/0x560 [ 165.987145][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.992428][ C1] update_process_times+0x12d/0x180 [ 165.997623][ C1] tick_sched_timer+0x263/0x420 [ 166.002463][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.008004][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.013201][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.018140][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.023412][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.028947][ C1] apic_timer_interrupt+0xf/0x20 [ 166.033865][ C1] [ 166.036791][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 [ 166.042928][ C1] Code: 0c 25 c0 1d 02 00 65 8b 15 38 84 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 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 [ 166.062515][ C1] RSP: 0018:ffffc90002417a08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.070908][ C1] RAX: ffffffff81487326 RBX: ffffea00029ebd00 RCX: ffff8880a8d02080 [ 166.078868][ C1] RDX: ffffc900021ba000 RSI: 000000000003ffff RDI: ffffea00029ebd00 [ 166.086823][ C1] RBP: ffffc90002417a30 R08: dffffc0000000000 R09: fffffbfff1287a8d [ 166.094782][ C1] R10: fffffbfff1287a8d R11: 0000000000000000 R12: ffff8880921767a0 [ 166.102739][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880961d5828 [ 166.110708][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.115983][ C1] ? free_thread_stack+0x124/0x590 [ 166.121073][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.126345][ C1] free_thread_stack+0x168/0x590 [ 166.131268][ C1] put_task_stack+0xa3/0x130 [ 166.135843][ C1] finish_task_switch+0x3f1/0x550 [ 166.140860][ C1] __schedule+0x9a8/0xcc0 [ 166.145196][ C1] schedule+0x181/0x210 [ 166.149342][ C1] schedule_preempt_disabled+0x13/0x20 [ 166.154784][ C1] __mutex_lock_common+0x1411/0x2e10 [ 166.160050][ C1] ? __se_sys_perf_event_open+0xb66/0x41c0 [ 166.165878][ C1] mutex_lock_interruptible_nested+0x1b/0x30 [ 166.171861][ C1] __se_sys_perf_event_open+0xb66/0x41c0 [ 166.177515][ C1] ? __might_fault+0x91/0x160 [ 166.182310][ C1] ? check_preemption_disabled+0xb4/0x260 [ 166.188022][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.193312][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 166.199026][ C1] __x64_sys_perf_event_open+0xbf/0xd0 [ 166.204479][ C1] do_syscall_64+0xf7/0x1c0 [ 166.208974][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.214847][ C1] RIP: 0033:0x45a679 [ 166.218726][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.238318][ C1] RSP: 002b:00007f5304681c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 166.246735][ C1] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a679 [ 166.254701][ C1] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000180 [ 166.262662][ C1] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 166.270625][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f53046826d4 [ 166.278582][ C1] R13: 00000000004c84e1 R14: 00000000004df940 R15: 00000000ffffffff [ 166.286558][ C1] rcu: rcu_preempt kthread starved for 10536 jiffies! g6361 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.297650][ C1] rcu: RCU grace-period kthread stack dump: [ 166.303526][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 166.311427][ C1] Call Trace: [ 166.314713][ C1] __schedule+0x9a8/0xcc0 [ 166.319041][ C1] schedule+0x181/0x210 [ 166.323183][ C1] schedule_timeout+0x14f/0x240 [ 166.328024][ C1] ? run_local_timers+0x120/0x120 [ 166.333037][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.337794][ C1] kthread+0x332/0x350 [ 166.341845][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.346938][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.351512][ C1] ret_from_fork+0x24/0x30