[ 41.828928][ T23] audit: type=1800 audit(1575381970.538:27): pid=7890 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.865587][ T23] audit: type=1800 audit(1575381970.538:28): pid=7890 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 42.397065][ T23] audit: type=1800 audit(1575381971.158:29): pid=7890 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.416368][ T23] audit: type=1800 audit(1575381971.158:30): pid=7890 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.225' (ECDSA) to the list of known hosts. 2019/12/03 14:06:19 fuzzer started 2019/12/03 14:06:20 dialing manager at 10.128.0.26:45711 2019/12/03 14:06:20 syscalls: 2689 2019/12/03 14:06:20 code coverage: enabled 2019/12/03 14:06:20 comparison tracing: enabled 2019/12/03 14:06:20 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:06:20 setuid sandbox: enabled 2019/12/03 14:06:20 namespace sandbox: enabled 2019/12/03 14:06:20 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:06:20 fault injection: enabled 2019/12/03 14:06:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:06:20 net packet injection: enabled 2019/12/03 14:06:20 net device setup: enabled 2019/12/03 14:06:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:06:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:06:21 executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x4000000000802, 0x0) r1 = memfd_create(&(0x7f00000000c0)='I\x00=', 0x0) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x0, 0x11, r1, 0x0) write$uinput_user_dev(r0, &(0x7f0000000400)={'syz1\x00'}, 0x45c) 14:06:21 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet(0x2, 0x2, 0x0) bind$inet(r3, &(0x7f0000000200)={0x2, 0x1004e20}, 0x10) connect$inet(r3, &(0x7f00000002c0)={0x2, 0x4e20, @empty}, 0x10) sendto$inet(r3, 0x0, 0x0, 0x0, 0x0, 0x0) poll(&(0x7f0000000100)=[{r3}, {r0}], 0x2, 0x0) syzkaller login: [ 52.787940][ T8053] IPVS: ftp: loaded support on port[0] = 21 14:06:21 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x23, 0x0, &(0x7f00000001c0)) [ 52.956639][ T8053] chnl_net:caif_netlink_parms(): no params data found [ 52.958586][ T8056] IPVS: ftp: loaded support on port[0] = 21 [ 53.071925][ T8053] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.079560][ T8053] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.101355][ T8053] device bridge_slave_0 entered promiscuous mode [ 53.111904][ T8053] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.130040][ T8053] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.137983][ T8053] device bridge_slave_1 entered promiscuous mode [ 53.163931][ T8058] IPVS: ftp: loaded support on port[0] = 21 [ 53.229398][ T8053] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.266133][ T8056] chnl_net:caif_netlink_parms(): no params data found 14:06:22 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000bfff0)={&(0x7f0000000440)=@updpolicy={0xb8, 0x19, 0x1, 0x0, 0x0, {{@in6=@mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x3]}, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0xa}}}, 0xb8}}, 0x0) [ 53.283036][ T8053] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.327053][ T8056] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.350678][ T8056] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.358532][ T8056] device bridge_slave_0 entered promiscuous mode [ 53.384846][ T8056] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.399960][ T8056] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.407887][ T8056] device bridge_slave_1 entered promiscuous mode [ 53.472062][ T8053] team0: Port device team_slave_0 added [ 53.479191][ T8056] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.503653][ T8053] team0: Port device team_slave_1 added [ 53.515826][ T8056] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 14:06:22 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r0, &(0x7f0000000100), 0x10) sendmmsg(r0, &(0x7f0000004240)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000001200)=[{0x10}, {0x10, 0x11}], 0x20}}], 0x1, 0x0) [ 53.559419][ T8056] team0: Port device team_slave_0 added [ 53.582001][ T8056] team0: Port device team_slave_1 added [ 53.622706][ T8053] device hsr_slave_0 entered promiscuous mode [ 53.661995][ T8053] device hsr_slave_1 entered promiscuous mode [ 53.717653][ T8061] IPVS: ftp: loaded support on port[0] = 21 14:06:22 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket(0x2, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r1, 0xa00000000000000, 0x80, &(0x7f00000000c0)=@broute={'broute\x00\x00\x00\x00\x00\x00\x05\x00', 0x20, 0x1, 0x9c0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000e00], 0x0, 0x0, &(0x7f0000000e00)=ANY=[@ANYBLOB="00000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ffffffff010000000b00000000000000000062726964676530000000000000000000766c616e300000000000000000000000736974300000000000000000000000007465716c3000000000000000000000000000000000000000000000000180c20000000000000000000000b8080000b808000030090000616d6f6e6700000000000000000000000000000000000000000000000000000018040000000000000c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000027327243426c7d2d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006e666c6f670000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000a600a9e85725d89818472e65aba21d9bbc1b20e8331c6fd24a5aceaeefe102e42a013ac2c00eeb782c34eab997013e0506220c21a44cc58ff5bc83d5e4066c770000000000000000000000000000000000000000000000000000000000000000000000000000000001000000fcffffff00000000"]}, 0xa38) [ 53.843119][ T8056] device hsr_slave_0 entered promiscuous mode [ 53.880158][ T8056] device hsr_slave_1 entered promiscuous mode [ 53.930364][ T8056] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.949064][ T8064] IPVS: ftp: loaded support on port[0] = 21 [ 53.987309][ T8066] IPVS: ftp: loaded support on port[0] = 21 [ 54.005457][ T8058] chnl_net:caif_netlink_parms(): no params data found [ 54.042278][ T8053] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.102368][ T8056] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.152933][ T8056] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.193706][ T8053] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.253865][ T8053] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.322242][ T8056] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.361684][ T8056] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.415143][ T8053] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.491367][ T8058] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.498494][ T8058] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.507747][ T8058] device bridge_slave_0 entered promiscuous mode [ 54.534518][ T8058] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.541744][ T8058] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.549364][ T8058] device bridge_slave_1 entered promiscuous mode [ 54.572030][ T8056] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.632225][ T8058] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.650953][ T8058] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.706683][ T8056] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.721991][ T8066] chnl_net:caif_netlink_parms(): no params data found [ 54.736106][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.745632][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.766912][ T8061] chnl_net:caif_netlink_parms(): no params data found [ 54.777692][ T8058] team0: Port device team_slave_0 added [ 54.791934][ T8064] chnl_net:caif_netlink_parms(): no params data found [ 54.833673][ T8058] team0: Port device team_slave_1 added [ 54.839415][ T8066] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.847797][ T8066] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.856089][ T8066] device bridge_slave_0 entered promiscuous mode [ 54.868473][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.877864][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.886282][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.893447][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.904002][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.912651][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.921254][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.928296][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.936025][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.958642][ T8064] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.967511][ T8064] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.976029][ T8064] device bridge_slave_0 entered promiscuous mode [ 54.983982][ T8064] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.991271][ T8064] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.998823][ T8064] device bridge_slave_1 entered promiscuous mode [ 55.019320][ T8064] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.028579][ T8066] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.036059][ T8066] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.044148][ T8066] device bridge_slave_1 entered promiscuous mode [ 55.067171][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.076400][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.095977][ T8053] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.111003][ T8064] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.126663][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.136606][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.146482][ T8066] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.212262][ T8058] device hsr_slave_0 entered promiscuous mode [ 55.240451][ T8058] device hsr_slave_1 entered promiscuous mode [ 55.280083][ T8058] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.296572][ T8053] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.307970][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.317415][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.325137][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.333362][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.342446][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.352125][ T8066] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.362689][ T8061] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.369746][ T8061] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.382347][ T8061] device bridge_slave_0 entered promiscuous mode [ 55.391424][ T8061] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.398466][ T8061] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.407007][ T8061] device bridge_slave_1 entered promiscuous mode [ 55.422815][ T8064] team0: Port device team_slave_0 added [ 55.436966][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.446314][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.455143][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.463866][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.472843][ T3748] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.480261][ T3748] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.487778][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.496384][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.504805][ T3748] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.511899][ T3748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.519483][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.528682][ T3748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.543988][ T8064] team0: Port device team_slave_1 added [ 55.559012][ T8061] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.578471][ T8066] team0: Port device team_slave_0 added [ 55.586691][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.598244][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.607090][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.623511][ T8053] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.634451][ T8053] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.647576][ T8061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.713299][ T8064] device hsr_slave_0 entered promiscuous mode [ 55.750780][ T8064] device hsr_slave_1 entered promiscuous mode [ 55.800183][ T8064] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.808637][ T8066] team0: Port device team_slave_1 added [ 55.814633][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.823419][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.831860][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.840733][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.848886][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.857308][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.865681][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.877330][ T8056] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.890155][ T8056] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.931397][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.939734][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.948569][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.972325][ T8058] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.012711][ T8058] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.112962][ T8066] device hsr_slave_0 entered promiscuous mode [ 56.150339][ T8066] device hsr_slave_1 entered promiscuous mode [ 56.190062][ T8066] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.201593][ T8061] team0: Port device team_slave_0 added [ 56.217219][ T8053] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.228683][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.236723][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.244654][ T8058] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.282096][ T8058] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.325744][ T8061] team0: Port device team_slave_1 added [ 56.340212][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.347666][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.377555][ T8056] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.393265][ T8064] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.442340][ T8064] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.487468][ T8064] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.582795][ T8061] device hsr_slave_0 entered promiscuous mode [ 56.620371][ T8061] device hsr_slave_1 entered promiscuous mode [ 56.660695][ T8061] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.682651][ T8064] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 161.749867][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 161.756863][ C0] (detected by 0, t=10502 jiffies, g=5961, q=172) [ 161.763350][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953326-4294942823), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 161.776787][ C0] syz-executor.1 R running task 24616 8056 8054 0x0000400a [ 161.784672][ C0] Call Trace: [ 161.787960][ C0] [ 161.790817][ C0] sched_show_task+0x40f/0x560 [ 161.795576][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 161.800857][ C0] update_process_times+0x12d/0x180 [ 161.806043][ C0] tick_sched_timer+0x263/0x420 [ 161.810886][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 161.816420][ C0] __hrtimer_run_queues+0x403/0x840 [ 161.821793][ C0] hrtimer_interrupt+0x38c/0xda0 [ 161.826731][ C0] ? debug_smp_processor_id+0x9/0x20 [ 161.832008][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 161.837539][ C0] apic_timer_interrupt+0xf/0x20 [ 161.842720][ C0] [ 161.845646][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 161.851348][ C0] 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 [ 161.870951][ C0] RSP: 0018:ffffc90002077860 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 161.879347][ C0] RAX: 1ffff11013df92f1 RBX: ffff88809efc9788 RCX: 0000000000000000 [ 161.887320][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00029fd700 [ 161.895710][ C0] RBP: ffffc90002077898 R08: 000000000003a768 R09: ffffed1015290307 [ 161.903668][ C0] R10: ffffed1015290307 R11: 0000000000000000 R12: ffff88809efc9820 [ 161.911623][ C0] R13: dffffc0000000000 R14: 1ffff11013df9304 R15: ffff8880a9481828 [ 161.919607][ C0] put_task_stack+0xa3/0x130 [ 161.924185][ C0] finish_task_switch+0x3f1/0x550 [ 161.929203][ C0] __schedule+0x9a8/0xcc0 [ 161.933526][ C0] ? ___preempt_schedule+0x16/0x18 [ 161.938618][ C0] preempt_schedule+0xdb/0x120 [ 161.943367][ C0] ___preempt_schedule+0x16/0x18 [ 161.948294][ C0] _raw_spin_unlock_irq+0x77/0x80 [ 161.953304][ C0] cgroup_migrate_execute+0x61d/0xfd0 [ 161.958760][ C0] cgroup_migrate+0x17f/0x190 [ 161.964207][ C0] cgroup_attach_task+0x782/0xa10 [ 161.969227][ C0] cgroup_procs_write+0x192/0x350 [ 161.974240][ C0] ? cgroup_procs_next+0x60/0x60 [ 161.979165][ C0] cgroup_file_write+0x223/0x5f0 [ 161.984089][ C0] ? cgroup_seqfile_stop+0xc0/0xc0 [ 161.989187][ C0] kernfs_fop_write+0x3e4/0x4e0 [ 161.994027][ C0] ? kernfs_fop_read+0x580/0x580 [ 161.998953][ C0] __vfs_write+0xb8/0x740 [ 162.003278][ C0] ? rcu_read_lock_any_held+0x13d/0x1a0 [ 162.008810][ C0] ? __sb_start_write+0x382/0x430 [ 162.013946][ C0] vfs_write+0x275/0x590 [ 162.018185][ C0] ksys_write+0x117/0x220 [ 162.022521][ C0] __x64_sys_write+0x7b/0x90 [ 162.027105][ C0] do_syscall_64+0xf7/0x1c0 [ 162.031608][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.037503][ C0] RIP: 0033:0x414130 [ 162.041389][ C0] Code: b0 89 c8 f7 d8 eb ed b8 6e 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 3d 3d 43 66 00 00 75 14 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 c4 1b 00 00 c3 48 83 ec 08 e8 ca fc ff ff [ 162.060978][ C0] RSP: 002b:00007ffdd9b25238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 162.069372][ C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000414130 [ 162.077345][ C0] RDX: 0000000000000001 RSI: 00007ffdd9b25260 RDI: 0000000000000003 [ 162.085301][ C0] RBP: 00007ffdd9b25260 R08: 0000000000000000 R09: 0000000000000001 [ 162.093260][ C0] R10: 0000000000000064 R11: 0000000000000246 R12: 00007ffdd9b257d0 [ 162.101217][ C0] R13: 0000000000000003 R14: 0000000000000000 R15: 00007ffdd9b25790 [ 162.109215][ C0] rcu: rcu_preempt kthread starved for 10537 jiffies! g5961 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.120296][ C0] rcu: RCU grace-period kthread stack dump: [ 162.126863][ C0] rcu_preempt R running task 28992 10 2 0x80004000 [ 162.134748][ C0] Call Trace: [ 162.138029][ C0] __schedule+0x9a0/0xcc0 [ 162.142356][ C0] schedule+0x181/0x210 [ 162.146587][ C0] schedule_timeout+0x14f/0x240 [ 162.151422][ C0] ? run_local_timers+0x120/0x120 [ 162.156438][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.161223][ C0] kthread+0x332/0x350 [ 162.165279][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.170386][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.174962][ C0] ret_from_fork+0x24/0x30