[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.392896][ T27] audit: type=1800 audit(1578467093.621:25): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.419531][ T27] audit: type=1800 audit(1578467093.621:26): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.461327][ T27] audit: type=1800 audit(1578467093.621:27): pid=8394 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 '10.128.0.12' (ECDSA) to the list of known hosts. 2020/01/08 07:05:02 fuzzer started 2020/01/08 07:05:04 dialing manager at 10.128.0.26:35703 2020/01/08 07:05:04 syscalls: 2824 2020/01/08 07:05:04 code coverage: enabled 2020/01/08 07:05:04 comparison tracing: enabled 2020/01/08 07:05:04 extra coverage: enabled 2020/01/08 07:05:04 setuid sandbox: enabled 2020/01/08 07:05:04 namespace sandbox: enabled 2020/01/08 07:05:04 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:05:04 fault injection: enabled 2020/01/08 07:05:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:05:04 net packet injection: enabled 2020/01/08 07:05:04 net device setup: enabled 2020/01/08 07:05:04 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:05:04 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:05:05 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000029000/0x18000)=nil, &(0x7f0000000240)=[@text32={0x20, &(0x7f00000000c0)="b9800000c00f3235010000000f309a090000006500660f3882af724d00002ed8ddc74424008fc4bd87c7442402c43a727fc7442406000000000f011424f30f090f013a360f06c4c18d72d68366baa100ed", 0x51}], 0x1, 0x0, 0x0, 0xa4) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000380)={[0x0, 0x0, 0x40000000, 0x0, 0x0, 0x0, 0xc5e]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fsetxattr$trusted_overlay_opaque(r1, &(0x7f0000000180)='trusted.overlay.opaque\x00', &(0x7f00000001c0)='y\x00', 0x2, 0x0) syz_open_dev$sndpcmc(0x0, 0x0, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000000)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000040)={{&(0x7f00000e2000/0xc00000)=nil, 0xc00000}}) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) setns(0xffffffffffffffff, 0x0) socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 07:05:05 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newsa={0x138, 0x10, 0x713, 0x0, 0x0, {{@in=@multicast2}, {@in6=@ipv4={[0xfffffff0], [], @broadcast}, 0x0, 0x32}, @in6=@ipv4, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_crypt={0x48, 0x2, {{'ecb(cipher_null)\x00'}}}]}, 0x138}}, 0x0) openat$ubi_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet(0x2, 0x0, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000d6cff0), 0x0) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000618000)={0x2, 0x0, @loopback}, 0x10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x7a, &(0x7f000059aff8), 0x0) syzkaller login: [ 65.746228][ T8560] IPVS: ftp: loaded support on port[0] = 21 [ 65.851914][ T8562] IPVS: ftp: loaded support on port[0] = 21 [ 65.925669][ T8560] chnl_net:caif_netlink_parms(): no params data found 07:05:06 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) socket(0x840000000002, 0x3, 0xff) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080), 0x10) connect$inet(r0, &(0x7f0000000200)={0x2, 0x0, @initdev}, 0x10) write$binfmt_elf32(r0, &(0x7f0000000000)=ANY=[@ANYBLOB="4ef27f45294600000033086c00000000000000000144100513660100000038000000ffffff83130a000b00000800"/56], 0x38) [ 65.972080][ T8560] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.980039][ T8560] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.989284][ T8560] device bridge_slave_0 entered promiscuous mode [ 66.012296][ T8560] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.019892][ T8560] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.029377][ T8560] device bridge_slave_1 entered promiscuous mode [ 66.114268][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 66.126406][ T8560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.155414][ T8560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.202173][ T8560] team0: Port device team_slave_0 added [ 66.203962][ T8566] IPVS: ftp: loaded support on port[0] = 21 [ 66.226353][ T8560] team0: Port device team_slave_1 added [ 66.238673][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.245790][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.254374][ T8562] device bridge_slave_0 entered promiscuous mode [ 66.291496][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state 07:05:06 executing program 3: syz_emit_ethernet(0x4e, &(0x7f0000000380)={@local, @empty, @val, {@ipv6}}, 0x0) [ 66.298771][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.306684][ T8562] device bridge_slave_1 entered promiscuous mode [ 66.350552][ T8560] device hsr_slave_0 entered promiscuous mode [ 66.438161][ T8560] device hsr_slave_1 entered promiscuous mode 07:05:06 executing program 4: syz_open_dev$sg(&(0x7f0000000140)='/dev/sg#\x00', 0x0, 0x0) r0 = syz_open_dev$loop(0x0, 0x0, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) ioctl$BLKTRACESTART(0xffffffffffffffff, 0x1274, 0x0) ioctl$BLKTRACESTOP(r0, 0x1275, 0x0) [ 66.512525][ T8568] IPVS: ftp: loaded support on port[0] = 21 [ 66.526713][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.579772][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.652835][ T8562] team0: Port device team_slave_0 added [ 66.692624][ T8562] team0: Port device team_slave_1 added 07:05:07 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x5, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000000280)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffdffffffffffffd, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2, 0x200000000011, r1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, r1) r4 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r4, &(0x7f00000000c0)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r4, 0x0, 0xfea2, 0x20000802, &(0x7f0000000100)={0x2, 0x10004e23, @dev={0xac, 0x14, 0x14, 0xa}}, 0x10) sendto$inet(r4, &(0x7f0000d7cfcb), 0xffffffffffffffef, 0x1f4, 0x0, 0xffffffd8) [ 66.760535][ T8562] device hsr_slave_0 entered promiscuous mode [ 66.798148][ T8562] device hsr_slave_1 entered promiscuous mode [ 66.838524][ T8562] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.846295][ T8562] Cannot create hsr debugfs directory [ 66.878356][ T8566] chnl_net:caif_netlink_parms(): no params data found [ 66.941214][ T8560] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.983460][ T8560] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.031862][ T8560] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.095639][ T8571] IPVS: ftp: loaded support on port[0] = 21 [ 67.096155][ T8573] IPVS: ftp: loaded support on port[0] = 21 [ 67.130961][ T8560] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.214332][ T8566] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.222295][ T8566] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.230310][ T8566] device bridge_slave_0 entered promiscuous mode [ 67.240001][ T8566] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.247050][ T8566] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.254787][ T8566] device bridge_slave_1 entered promiscuous mode [ 67.295832][ T8562] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.353492][ T8568] chnl_net:caif_netlink_parms(): no params data found [ 67.390126][ T8562] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.441160][ T8566] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.455311][ T8566] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.471923][ T8562] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.555089][ T8562] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.609482][ T8568] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.616578][ T8568] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.624358][ T8568] device bridge_slave_0 entered promiscuous mode [ 67.633412][ T8568] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.640525][ T8568] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.648372][ T8568] device bridge_slave_1 entered promiscuous mode [ 67.670748][ T8566] team0: Port device team_slave_0 added [ 67.691634][ T8566] team0: Port device team_slave_1 added [ 67.699158][ T8568] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.729563][ T8568] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.785851][ T8573] chnl_net:caif_netlink_parms(): no params data found [ 67.869767][ T8566] device hsr_slave_0 entered promiscuous mode [ 67.919068][ T8566] device hsr_slave_1 entered promiscuous mode [ 67.957989][ T8566] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.965566][ T8566] Cannot create hsr debugfs directory [ 67.974253][ T8571] chnl_net:caif_netlink_parms(): no params data found [ 67.989312][ T8568] team0: Port device team_slave_0 added [ 68.021800][ T8568] team0: Port device team_slave_1 added [ 68.042058][ T8573] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.049875][ T8573] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.057430][ T8573] device bridge_slave_0 entered promiscuous mode [ 68.072840][ T8573] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.080605][ T8573] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.088812][ T8573] device bridge_slave_1 entered promiscuous mode [ 68.160650][ T8568] device hsr_slave_0 entered promiscuous mode [ 68.208274][ T8568] device hsr_slave_1 entered promiscuous mode [ 68.257969][ T8568] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.265565][ T8568] Cannot create hsr debugfs directory [ 68.310974][ T8571] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.318765][ T8571] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.326376][ T8571] device bridge_slave_0 entered promiscuous mode [ 68.334906][ T8573] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.347552][ T8573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.363835][ T8560] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.377327][ T8571] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.388259][ T8571] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.395834][ T8571] device bridge_slave_1 entered promiscuous mode [ 68.434261][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.443213][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.453820][ T8573] team0: Port device team_slave_0 added [ 68.472149][ T8560] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.482206][ T8573] team0: Port device team_slave_1 added [ 68.489492][ T8571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.501651][ T8571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.519563][ T8566] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.631672][ T8573] device hsr_slave_0 entered promiscuous mode [ 68.678226][ T8573] device hsr_slave_1 entered promiscuous mode [ 68.737980][ T8573] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.745557][ T8573] Cannot create hsr debugfs directory [ 68.761675][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.770766][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.779302][ T3136] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.786525][ T3136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.795010][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.803930][ T8566] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.862365][ T8571] team0: Port device team_slave_0 added [ 68.875422][ T8571] team0: Port device team_slave_1 added [ 68.895952][ T8566] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.960082][ T8566] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.039718][ T8571] device hsr_slave_0 entered promiscuous mode [ 69.088215][ T8571] device hsr_slave_1 entered promiscuous mode [ 69.138297][ T8571] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.145966][ T8571] Cannot create hsr debugfs directory [ 69.181221][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.189861][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.198485][ T3136] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.205517][ T3136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.230649][ T8562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.265494][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.298243][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.307365][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.317363][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.363443][ T8562] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.370687][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.378686][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.387057][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.395460][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.403676][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.412509][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.420298][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.436893][ T8560] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.448669][ T8560] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.456590][ T8568] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.502630][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.511500][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.519764][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.529805][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.538643][ T3136] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.545695][ T3136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.553409][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.562639][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.570979][ T3136] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.578146][ T3136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.598557][ T8571] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.659754][ T8571] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.689459][ T8568] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.731176][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.739811][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.769110][ T8571] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.809388][ T8568] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.851416][ T8568] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.900096][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.909084][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.917542][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.926210][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.934739][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.943365][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.950857][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.966372][ T8573] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.010140][ T8571] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.076075][ T8560] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.083328][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.091196][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.100166][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.108984][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.117117][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.136043][ T8562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.143853][ T8573] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.182460][ T8573] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.231623][ T8573] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.299786][ T8566] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.321362][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.328911][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.360871][ T8566] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.376050][ T8562] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.384253][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.392308][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.400727][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.409649][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.447721][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.456914][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.466210][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.476508][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.485094][ T2764] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.492203][ T2764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.500248][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.509235][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.517454][ T2764] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.524551][ T2764] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.534140][ T8560] device veth0_vlan entered promiscuous mode [ 70.562382][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.573365][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.581419][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.591145][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.599890][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.608864][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.617504][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.631633][ T8560] device veth1_vlan entered promiscuous mode [ 70.652638][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.661179][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.669551][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.678244][ T2893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.703778][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.713720][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.722639][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.731007][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.740163][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.752098][ T8573] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.772916][ T8568] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.784137][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.794296][ T2905] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.813028][ T8562] device veth0_vlan entered promiscuous mode [ 70.833895][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.853331][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.862018][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.876002][ T8573] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.889000][ T8571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.899477][ T8562] device veth1_vlan entered promiscuous mode [ 70.907357][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.916133][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.923977][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.932012][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.940625][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.948575][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.956150][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.991244][ T8568] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.011433][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.028151][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.043842][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.052598][ T3169] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.059708][ T3169] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.068009][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.086121][ T8579] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 71.131409][ T8566] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.186126][ T8566] device veth0_vlan entered promiscuous mode [ 71.199949][ T8566] device veth1_vlan entered promiscuous mode [ 71.254549][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.268750][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.276513][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.293946][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.304158][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.317542][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.327757][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.341550][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.354512][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.367114][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.378224][ T3136] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.385303][ T3136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.399631][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.413184][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.422303][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.435291][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.445453][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.460523][ T3136] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.467620][ T3136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.479916][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.491912][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.503985][ T3136] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.511093][ T3136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.525237][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.536606][ T8571] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.581732][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.596614][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.606438][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.623093][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.634557][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.647117][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.662837][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.673965][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.686517][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.697141][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.710349][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.723450][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.734560][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.779303][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.794511][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.802453][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.817373][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.826817][ T3136] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.833931][ T3136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.847213][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.856092][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.870629][ T3136] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.877733][ T3136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.888552][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.897408][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.911823][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.923695][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.935969][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.946453][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.958769][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.967082][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.980651][ T3136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.994815][ T8568] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.008233][ T8573] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.025792][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.034671][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.065468][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.076450][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.090303][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.103769][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.114891][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.130263][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.173370][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.186242][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.197452][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.212340][ T8571] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.240243][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.250592][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.262390][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.272874][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.290324][ T8573] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.319343][ T8568] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.326549][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.339978][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.359784][ T8571] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.398857][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.407652][ T3169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.445224][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.456379][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.467873][ T8568] device veth0_vlan entered promiscuous mode [ 72.481530][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.489852][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.499984][ T8568] device veth1_vlan entered promiscuous mode [ 72.588634][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.596837][ T3140] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 176.037796][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.044555][ C1] rcu: 1-....: (10499 ticks this GP) idle=0de/1/0x4000000000000002 softirq=14518/14518 fqs=5228 [ 176.055255][ C1] (t=10500 jiffies g=6669 q=3174) [ 176.060350][ C1] NMI backtrace for cpu 1 [ 176.064655][ C1] CPU: 1 PID: 2893 Comm: kworker/1:18 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.073049][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.083305][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 176.089260][ C1] Call Trace: [ 176.092515][ C1] [ 176.095342][ C1] dump_stack+0x1fb/0x318 [ 176.099647][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.104480][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.110615][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.116655][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.122608][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.128479][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.133567][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.138738][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.143734][ C1] update_process_times+0x12d/0x180 [ 176.148903][ C1] tick_sched_timer+0x263/0x420 [ 176.153736][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.159253][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.164527][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.169454][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.174710][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.180226][ C1] apic_timer_interrupt+0xf/0x20 [ 176.185150][ C1] [ 176.188084][ C1] RIP: 0010:mod_memcg_page_state+0xe/0x190 [ 176.193861][ C1] Code: 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 41 89 f6 <48> 89 fb e8 ba 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 [ 176.213435][ C1] RSP: 0018:ffffc9000815f8b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.221825][ C1] RAX: 1ffff1101341b091 RBX: ffff88809a0d8488 RCX: 0000000000000000 [ 176.229768][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002741880 [ 176.237712][ C1] RBP: ffffc9000815f8d8 R08: 000000000003a728 R09: fffffbfff124248a [ 176.245656][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809a0d8520 [ 176.253599][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888084fab678 [ 176.261555][ C1] free_thread_stack+0x168/0x590 [ 176.266473][ C1] put_task_stack+0xa3/0x130 [ 176.271034][ C1] finish_task_switch+0x3f1/0x550 [ 176.276030][ C1] __schedule+0x9a8/0xcc0 [ 176.280341][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.285599][ C1] schedule+0x181/0x210 [ 176.289725][ C1] schedule_preempt_disabled+0x13/0x20 [ 176.295153][ C1] mutex_optimistic_spin+0x445/0x480 [ 176.300415][ C1] __mutex_lock_common+0x2e7/0x2e10 [ 176.305585][ C1] ? rtnl_lock+0x17/0x20 [ 176.309806][ C1] ? process_one_work+0x75d/0x10d0 [ 176.314889][ C1] mutex_lock_nested+0x1b/0x30 [ 176.319623][ C1] rtnl_lock+0x17/0x20 [ 176.323663][ C1] addrconf_dad_work+0x69/0x1c30 [ 176.328573][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 176.334263][ C1] process_one_work+0x7ef/0x10d0 [ 176.339180][ C1] worker_thread+0xc01/0x1630 [ 176.343938][ C1] kthread+0x332/0x350 [ 176.347979][ C1] ? rcu_lock_release+0x30/0x30 [ 176.353754][ C1] ? kthread_blkcg+0xe0/0xe0 [ 176.358324][ C1] ret_from_fork+0x24/0x30