[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.897179][ T27] audit: type=1800 audit(1578463474.897:25): pid=8385 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.924601][ T27] audit: type=1800 audit(1578463474.897:26): pid=8385 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.976040][ T27] audit: type=1800 audit(1578463474.897:27): pid=8385 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 '10.128.0.207' (ECDSA) to the list of known hosts. 2020/01/08 06:04:42 fuzzer started 2020/01/08 06:04:44 dialing manager at 10.128.0.26:35703 2020/01/08 06:04:44 syscalls: 2824 2020/01/08 06:04:44 code coverage: enabled 2020/01/08 06:04:44 comparison tracing: enabled 2020/01/08 06:04:44 extra coverage: enabled 2020/01/08 06:04:44 setuid sandbox: enabled 2020/01/08 06:04:44 namespace sandbox: enabled 2020/01/08 06:04:44 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:04:44 fault injection: enabled 2020/01/08 06:04:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:04:44 net packet injection: enabled 2020/01/08 06:04:44 net device setup: enabled 2020/01/08 06:04:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:04:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:04:45 executing program 0: unshare(0x600) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-net\x00', 0x2, 0x0) lseek(r2, 0x0, 0x0) 06:04:45 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000600)={'bridge_slave_1\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYBLOB="7c0000002400070500"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff000000000900010067726564000000004c0002000800050000000000080005000000000038000300050000000000000028ceb860244d6a9b5336c1abe5b92f2f00000000000000000000000000000002000000000000da6e0856d62c"], 0x7c}}, 0x0) r4 = socket(0x10, 0x80002, 0x0) ioctl$EXT4_IOC_GROUP_ADD(0xffffffffffffffff, 0x40286608, &(0x7f0000000040)) sendmmsg$alg(r4, &(0x7f0000000180)=[{0x2, 0x1000000000000, &(0x7f0000000080), 0xe, &(0x7f0000000100)}], 0x492492492492642, 0x0) syzkaller login: [ 57.333036][ T8556] IPVS: ftp: loaded support on port[0] = 21 [ 57.463836][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 57.510612][ T8559] IPVS: ftp: loaded support on port[0] = 21 [ 57.552848][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.561488][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.571724][ T8556] device bridge_slave_0 entered promiscuous mode [ 57.593004][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.601235][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.610618][ T8556] device bridge_slave_1 entered promiscuous mode 06:04:45 executing program 2: r0 = syz_open_dev$dri(&(0x7f00000002c0)='/dev/dri/card#\x00', 0x0, 0x0) ioctl(r0, 0xffffffffffffffba, &(0x7f0000000180)) ioctl$DRM_IOCTL_SET_VERSION(0xffffffffffffffff, 0xc0106407, 0x0) [ 57.660323][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.697670][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.761984][ T8559] chnl_net:caif_netlink_parms(): no params data found [ 57.781681][ T8556] team0: Port device team_slave_0 added [ 57.798063][ T8562] IPVS: ftp: loaded support on port[0] = 21 [ 57.806007][ T8556] team0: Port device team_slave_1 added 06:04:45 executing program 3: r0 = socket$inet(0x15, 0x7fffc, 0x6) bind$inet(r0, &(0x7f000001bff0)={0x2, 0x0, @loopback}, 0x10) r1 = openat$audio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio\x00', 0x40000000806, 0x0) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000180)='/dev/uinput\x00', 0x802, 0x0) write$uinput_user_dev(r2, &(0x7f0000000400)={'syz1\x00'}, 0x45c) ioctl$UI_SET_EVBIT(r2, 0x40045564, 0x2) ioctl$UI_SET_RELBIT(r2, 0x40045566, 0x8) r3 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot\x00', 0x0, 0x0) getuid() getpgid(0xffffffffffffffff) getsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000001040)={{{@in=@loopback, @in6=@ipv4={[], [], @remote}}}, {{@in=@remote}, 0x0, @in=@multicast2}}, &(0x7f0000000f00)=0xfffffffffffffd81) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000340), &(0x7f0000000380)=0xc) creat(&(0x7f00000002c0)='./file0\x00', 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000000)='cgroup\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, 0x0, 0x0) ioctl$UI_SET_EVBIT(r2, 0x40045564, 0x1) ioctl$UI_DEV_SETUP(r2, 0x5501, 0x0) r4 = syz_open_dev$mice(&(0x7f00000001c0)='/dev/input/mice\x00', 0x0, 0x0) dup3(r2, r4, 0x0) ioctl$UI_DEV_DESTROY(r4, 0x5502) ioctl$int_in(r1, 0x800000c0045002, &(0x7f0000000000)=0x79) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000080)={0x0, 0x70, 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, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$nullb(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nullb0\x00', 0x4002, 0x0) perf_event_open(&(0x7f0000c86f88)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000340)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000300)}}, 0xfffffea9) [ 57.937740][ T8556] device hsr_slave_0 entered promiscuous mode [ 58.045548][ T8556] device hsr_slave_1 entered promiscuous mode 06:04:46 executing program 4: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000780)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'\x00', 0x1132}) r2 = ioctl$TUNGETDEVNETNS(r1, 0x54e3, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r2, 0xb701, 0x0) [ 58.146495][ T8564] IPVS: ftp: loaded support on port[0] = 21 [ 58.169229][ T8559] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.184862][ T8559] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.193362][ T8559] device bridge_slave_0 entered promiscuous mode [ 58.256320][ T8559] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.263426][ T8559] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.285268][ T8559] device bridge_slave_1 entered promiscuous mode 06:04:46 executing program 5: r0 = fsopen(&(0x7f0000000000)='ramfs\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x6, 0x0, 0x0, 0x0) fsmount(r0, 0x0, 0x0) fsconfig$FSCONFIG_SET_BINARY(r0, 0x2, &(0x7f00000036c0)='mand\x00\xa4\x02%\xe0\x9b@\xe7\xb2jEm\xb3\x01\x115\x8d\x10\tZ6{\xd9z\x03\x9a\x83\xb5\x0e#(rt\x94A\x02F=\x1f\x97?k\xab\x15e\xd0UV\xe0Ey\x91f\xbcV\xe8\x86\x13v\xf8\xf2@j\x17F\xdc\xe8\x03\x00\x00\x00\x00\x00\x00\x00K\xcfm\x86_\xab\xb14W\xe4<\x12\xa2&3\x8d\xec=\xe6?\xdc\x87N\x15x\x1d\xcc\xe1MZG\xaa\vP4J\xb8\xd0\xbca\x1b\xf0\xfd\xbf\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa8y\xbe\x18C,\xc3d\x8b%e\x93\x16l\xac\x1ea\xe7\n\xf4o\x1c4\xe7Q\xcc\xd5P\x9f\xf7\x9c\xa4\x7fJ\xf5\xceU~\x12\xde\\\x92X\xfe\xdez\xc5\xfe\x19\x8b\xfc\xfc\xaf\xa4a\rs\x9cT\xe4e\x157;\x10\xc2R\a\x11\xf1\xb9\x1bJ\xaeJ\xc1\xb2\xf8\x17sL\x1d\xb0\x04\xdb\xf7\xc3\xc1\x1fI\x8e\xbd\xba\xed\a^v\x83L\x19', &(0x7f0000000040)="fa", 0x1) [ 58.373705][ T8559] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.442168][ T8559] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.471336][ T8568] IPVS: ftp: loaded support on port[0] = 21 [ 58.515171][ T8559] team0: Port device team_slave_0 added [ 58.523946][ T8559] team0: Port device team_slave_1 added [ 58.580879][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 58.597210][ T8564] chnl_net:caif_netlink_parms(): no params data found [ 58.622345][ T8556] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.631900][ T8571] IPVS: ftp: loaded support on port[0] = 21 [ 58.667429][ T8556] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.759672][ T8556] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.809088][ T8556] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.927166][ T8559] device hsr_slave_0 entered promiscuous mode [ 58.964774][ T8559] device hsr_slave_1 entered promiscuous mode [ 59.024457][ T8559] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.033251][ T8559] Cannot create hsr debugfs directory [ 59.050094][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.058680][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.067872][ T8562] device bridge_slave_0 entered promiscuous mode [ 59.100808][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.108398][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.116417][ T8562] device bridge_slave_1 entered promiscuous mode [ 59.152110][ T8564] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.159560][ T8564] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.169266][ T8564] device bridge_slave_0 entered promiscuous mode [ 59.177623][ T8564] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.184813][ T8564] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.192440][ T8564] device bridge_slave_1 entered promiscuous mode [ 59.248779][ T8564] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.260131][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.286938][ T8564] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.299947][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.342419][ T8562] team0: Port device team_slave_0 added [ 59.369459][ T8568] chnl_net:caif_netlink_parms(): no params data found [ 59.380430][ T8562] team0: Port device team_slave_1 added [ 59.446822][ T8562] device hsr_slave_0 entered promiscuous mode [ 59.484752][ T8562] device hsr_slave_1 entered promiscuous mode [ 59.524493][ T8562] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.532072][ T8562] Cannot create hsr debugfs directory [ 59.560090][ T8564] team0: Port device team_slave_0 added [ 59.599862][ T8564] team0: Port device team_slave_1 added [ 59.610755][ T8559] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.649221][ T8559] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.719986][ T8559] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.811374][ T8559] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.947014][ T8564] device hsr_slave_0 entered promiscuous mode [ 60.006988][ T8564] device hsr_slave_1 entered promiscuous mode [ 60.064497][ T8564] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.072258][ T8564] Cannot create hsr debugfs directory [ 60.089282][ T8571] chnl_net:caif_netlink_parms(): no params data found [ 60.104658][ T8568] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.111718][ T8568] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.120150][ T8568] device bridge_slave_0 entered promiscuous mode [ 60.166228][ T8568] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.174113][ T8568] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.182844][ T8568] device bridge_slave_1 entered promiscuous mode [ 60.210969][ T8568] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.228331][ T8556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.255201][ T8568] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.282768][ T8571] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.291444][ T8571] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.299982][ T8571] device bridge_slave_0 entered promiscuous mode [ 60.310817][ T8571] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.318115][ T8571] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.326012][ T8571] device bridge_slave_1 entered promiscuous mode [ 60.342758][ T8568] team0: Port device team_slave_0 added [ 60.350695][ T8568] team0: Port device team_slave_1 added [ 60.371667][ T8562] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.450325][ T8562] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.520271][ T8556] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.537144][ T8571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.548592][ T8571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.563387][ T8562] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.608977][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.617557][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.667248][ T8568] device hsr_slave_0 entered promiscuous mode [ 60.707422][ T8568] device hsr_slave_1 entered promiscuous mode [ 60.745335][ T8568] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.755298][ T8568] Cannot create hsr debugfs directory [ 60.785132][ T8562] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.846308][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.856780][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.866955][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.875070][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.883544][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.892566][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.900988][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.908100][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.930813][ T8571] team0: Port device team_slave_0 added [ 60.939102][ T8571] team0: Port device team_slave_1 added [ 60.955368][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.963167][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.985677][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.998513][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.007780][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.019045][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.028423][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.041897][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.079091][ T8564] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.147148][ T8564] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.186223][ T8564] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.241168][ T8564] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.294015][ T8559] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.336462][ T8571] device hsr_slave_0 entered promiscuous mode [ 61.394957][ T8571] device hsr_slave_1 entered promiscuous mode [ 61.444615][ T8571] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.452319][ T8571] Cannot create hsr debugfs directory [ 61.486366][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.498379][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.511382][ T8556] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.522948][ T8556] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.550416][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.561366][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.570612][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.579948][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.606920][ T8559] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.652392][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.663271][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.672555][ T2670] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.679679][ T2670] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.688443][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.700060][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.710083][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.719062][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.727702][ T2670] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.734974][ T2670] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.742453][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.751370][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.776342][ T8556] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.802882][ T8559] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.816276][ T8559] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.835473][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.843314][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.852662][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.861246][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.871527][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.880668][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.889231][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.897892][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.906877][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.916734][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.924633][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.934151][ T8568] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.998891][ T8568] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.057823][ T8568] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.116812][ T8568] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.205750][ T8571] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.263591][ T8564] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.276005][ T8562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.296937][ T8571] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.335555][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.348449][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.356648][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.364060][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.372845][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.380798][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.390893][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.401568][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.415617][ T8571] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.477645][ T8562] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.489608][ T8564] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.498577][ T8559] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.515841][ T8571] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.557673][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.568743][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.577805][ T2763] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.584901][ T2763] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.593058][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.627997][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.637004][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.645956][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.652995][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.660998][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.669644][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.678176][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.685369][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.692859][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.701530][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.709860][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.716950][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.724613][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.735134][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.769199][ T8556] device veth0_vlan entered promiscuous mode [ 62.780258][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.789024][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.799682][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.809625][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.818192][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.827457][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.836304][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.844963][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.853726][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.862446][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.871198][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.879603][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.887818][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.902085][ T8559] device veth0_vlan entered promiscuous mode [ 62.920222][ T8564] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.932098][ T8564] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.957521][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.965726][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.973375][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.983921][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.991743][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.000374][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.009139][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.017580][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.026286][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.034685][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.042847][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.051448][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.059972][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.068481][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.082097][ T8562] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.096319][ T8562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.112854][ T8556] device veth1_vlan entered promiscuous mode [ 63.120517][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.128763][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.137929][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.146865][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.156055][ T2763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.170288][ T8568] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.188332][ T8559] device veth1_vlan entered promiscuous mode [ 63.242173][ T8564] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.255239][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.263697][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.276045][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.283652][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.299706][ T8562] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.332925][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.342390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.351428][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.359667][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.379423][ T8568] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.415289][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.423888][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 168.474244][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.481303][ C0] (detected by 0, t=10502 jiffies, g=6917, q=118) [ 168.487792][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953982-4294943479), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 168.501317][ C0] syz-executor.4 R running task 24552 8568 8565 0x0000400a [ 168.509209][ C0] Call Trace: [ 168.512481][ C0] [ 168.515426][ C0] sched_show_task+0x40f/0x560 [ 168.520193][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 168.525474][ C0] update_process_times+0x12d/0x180 [ 168.530677][ C0] tick_sched_timer+0x263/0x420 [ 168.535520][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.541100][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.546343][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.551310][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.557559][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.563104][ C0] apic_timer_interrupt+0xf/0x20 [ 168.568130][ C0] [ 168.571061][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 168.576768][ C0] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 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 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 168.596685][ C0] RSP: 0018:ffffc900020165e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.605226][ C0] RAX: 1ffff110146b3731 RBX: ffff8880a359b988 RCX: 0000000000000000 [ 168.613214][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028cd140 [ 168.621181][ C0] RBP: ffffc90002016620 R08: 000000000003a728 R09: ffffed1014db5341 [ 168.629237][ C0] R10: ffffed1014db5341 R11: 0000000000000000 R12: ffff8880a359ba20 [ 168.637201][ C0] R13: dffffc0000000000 R14: 1ffff110146b3744 R15: ffff8880a6da99f8 [ 168.645379][ C0] ? free_thread_stack+0x12e/0x590 [ 168.650507][ C0] put_task_stack+0xa3/0x130 [ 168.655109][ C0] finish_task_switch+0x3f1/0x550 [ 168.660262][ C0] __schedule+0x9a8/0xcc0 [ 168.664601][ C0] preempt_schedule_irq+0xc1/0x140 [ 168.669725][ C0] retint_kernel+0x1b/0x2b [ 168.674170][ C0] RIP: 0010:stack_trace_consume_entry+0x165/0x260 [ 168.680581][ C0] Code: 80 3c 20 00 74 08 48 89 df e8 a7 64 4d 00 48 8b 45 b0 48 89 03 45 8b 7d 00 48 b8 00 00 00 00 00 fc ff df 48 8b 4d b8 8a 04 01 <84> c0 0f 85 c7 00 00 00 48 8b 45 c0 8b 18 44 89 ff 89 de e8 f3 fc [ 168.700361][ C0] RSP: 0018:ffffc90002016830 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.708762][ C0] RAX: dffffc0000000000 RBX: ffffc90002016a60 RCX: 1ffff92000402d27 [ 168.716723][ C0] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 [ 168.724769][ C0] RBP: ffffc90002016880 R08: ffffffff8165c225 R09: ffffc90002016890 [ 168.732734][ C0] R10: fffff52000402d1e R11: 0000000000000000 R12: dffffc0000000000 [ 168.740693][ C0] R13: ffffc90002016940 R14: 0000000000000018 R15: 0000000000000019 [ 168.748682][ C0] ? stack_trace_consume_entry+0xa5/0x260 [ 168.755031][ C0] ? __x64_sys_sendto+0xe5/0x100 [ 168.760054][ C0] ? stack_trace_save+0x150/0x150 [ 168.765067][ C0] arch_stack_walk+0xa8/0xe0 [ 168.769655][ C0] ? __x64_sys_sendto+0xe5/0x100 [ 168.774586][ C0] stack_trace_save+0xb6/0x150 [ 168.779348][ C0] __kasan_kmalloc+0x11c/0x1b0 [ 168.784099][ C0] ? rtnl_notify+0x9b/0xc0 [ 168.788536][ C0] ? __kasan_kmalloc+0x11c/0x1b0 [ 168.793489][ C0] ? kasan_kmalloc+0x9/0x10 [ 168.797991][ C0] ? __kmalloc_node_track_caller+0x4d/0x60 [ 168.803821][ C0] ? pskb_expand_head+0x117/0x1120 [ 168.808933][ C0] ? netlink_trim+0x1ad/0x250 [ 168.813619][ C0] ? netlink_broadcast_filtered+0x77/0x1170 [ 168.819507][ C0] ? nlmsg_notify+0xfc/0x1f0 [ 168.824115][ C0] ? rtnl_notify+0x9b/0xc0 [ 168.828526][ C0] ? rtmsg_fib+0x631/0x9c0 [ 168.832926][ C0] ? fib_table_insert+0x1902/0x1f10 [ 168.838111][ C0] ? fib_magic+0x438/0x5e0 [ 168.842514][ C0] ? fib_add_ifaddr+0x3ea/0x590 [ 168.847352][ C0] ? fib_netdev_event+0x75d/0x8b0 [ 168.852361][ C0] ? raw_notifier_call_chain+0xec/0x190 [ 168.857914][ C0] ? __dev_notify_flags+0x24d/0x4d0 [ 168.863129][ C0] ? dev_change_flags+0xec/0x190 [ 168.868059][ C0] ? do_setlink+0xb2e/0x3960 [ 168.872639][ C0] ? rtnl_newlink+0x14dd/0x1bd0 [ 168.877476][ C0] ? rtnetlink_rcv_msg+0x889/0xd40 [ 168.882574][ C0] ? netlink_rcv_skb+0x19e/0x3d0 [ 168.887496][ C0] ? rtnetlink_rcv+0x1c/0x20 [ 168.892073][ C0] ? netlink_unicast+0x767/0x920 [ 168.897086][ C0] ? netlink_sendmsg+0xa31/0xd50 [ 168.902378][ C0] ? __sys_sendto+0x442/0x5e0 [ 168.907055][ C0] ? __x64_sys_sendto+0xe5/0x100 [ 168.912072][ C0] ? unwind_get_return_address+0x4c/0x90 [ 168.917710][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 168.923764][ C0] ? trace_kmalloc_node+0xd3/0x130 [ 168.928873][ C0] ? kmem_cache_alloc_node_trace+0x268/0x2d0 [ 168.934844][ C0] ? __kmalloc_node_track_caller+0x3c/0x60 [ 168.941088][ C0] kasan_kmalloc+0x9/0x10 [ 168.945410][ C0] __kmalloc_node_track_caller+0x4d/0x60 [ 168.951056][ C0] ? netlink_trim+0x1ad/0x250 [ 168.955734][ C0] pskb_expand_head+0x117/0x1120 [ 168.960751][ C0] ? netlink_unicast+0x767/0x920 [ 168.965689][ C0] ? netlink_sendmsg+0xa31/0xd50 [ 168.970626][ C0] ? __sys_sendto+0x442/0x5e0 [ 168.975327][ C0] ? do_syscall_64+0xf7/0x1c0 [ 168.979991][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.986052][ C0] netlink_trim+0x1ad/0x250 [ 168.990638][ C0] netlink_broadcast_filtered+0x77/0x1170 [ 168.996360][ C0] ? fib_nexthop_info+0x72c/0x970 [ 169.001387][ C0] ? fib_dump_info+0x15ab/0x2240 [ 169.006316][ C0] nlmsg_notify+0xfc/0x1f0 [ 169.010728][ C0] rtnl_notify+0x9b/0xc0 [ 169.014962][ C0] rtmsg_fib+0x631/0x9c0 [ 169.019205][ C0] fib_table_insert+0x1902/0x1f10 [ 169.024242][ C0] fib_magic+0x438/0x5e0 [ 169.028525][ C0] fib_add_ifaddr+0x3ea/0x590 [ 169.033266][ C0] fib_netdev_event+0x75d/0x8b0 [ 169.038128][ C0] raw_notifier_call_chain+0xec/0x190 [ 169.043511][ C0] __dev_notify_flags+0x24d/0x4d0 [ 169.048709][ C0] dev_change_flags+0xec/0x190 [ 169.053469][ C0] do_setlink+0xb2e/0x3960 [ 169.057895][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 169.063528][ C0] ? __kasan_check_read+0x11/0x20 [ 169.068549][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 169.073216][ C0] ? rtnl_newlink+0x351/0x1bd0 [ 169.077974][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.083039][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 169.088399][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 169.093496][ C0] ? rcu_lock_release+0x9/0x30 [ 169.098262][ C0] ? rtnl_setlink+0x490/0x490 [ 169.102930][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 169.107874][ C0] ? rcu_lock_release+0x9/0x30 [ 169.112630][ C0] ? rcu_lock_release+0x9/0x30 [ 169.117538][ C0] ? rcu_lock_release+0x9/0x30 [ 169.122326][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 169.127190][ C0] ? rtnetlink_bind+0x80/0x80 [ 169.131873][ C0] rtnetlink_rcv+0x1c/0x20 [ 169.136282][ C0] netlink_unicast+0x767/0x920 [ 169.141052][ C0] netlink_sendmsg+0xa31/0xd50 [ 169.145815][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 169.151019][ C0] __sys_sendto+0x442/0x5e0 [ 169.155534][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 169.161603][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 169.167319][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 169.172809][ C0] __x64_sys_sendto+0xe5/0x100 [ 169.177590][ C0] do_syscall_64+0xf7/0x1c0 [ 169.182089][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.187973][ C0] RIP: 0033:0x414c43 [ 169.191874][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 169.211554][ C0] RSP: 002b:00007ffff487cb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 169.222125][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 169.230088][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 169.238058][ C0] RBP: 0000000000000000 R08: 00007ffff487cb60 R09: 000000000000000c [ 169.246020][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 169.253977][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 [ 169.261957][ C0] rcu: rcu_preempt kthread starved for 10580 jiffies! g6917 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 169.273377][ C0] rcu: RCU grace-period kthread stack dump: [ 169.279353][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 169.287247][ C0] Call Trace: [ 169.290598][ C0] __schedule+0x9a0/0xcc0 [ 169.294947][ C0] schedule+0x181/0x210 [ 169.299105][ C0] schedule_timeout+0x14f/0x240 [ 169.303954][ C0] ? run_local_timers+0x120/0x120 [ 169.308974][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.313737][ C0] kthread+0x332/0x350 [ 169.317880][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.322978][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.327557][ C0] ret_from_fork+0x24/0x30