[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.665923][ T23] audit: type=1800 audit(1575336459.372:25): pid=8010 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.702972][ T23] audit: type=1800 audit(1575336459.372:26): pid=8010 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.737658][ T23] audit: type=1800 audit(1575336459.382:27): pid=8010 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 '10.128.1.40' (ECDSA) to the list of known hosts. 2019/12/03 01:27:49 fuzzer started 2019/12/03 01:27:51 dialing manager at 10.128.0.26:38907 2019/12/03 01:27:51 syscalls: 2697 2019/12/03 01:27:51 code coverage: enabled 2019/12/03 01:27:51 comparison tracing: enabled 2019/12/03 01:27:51 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:27:51 setuid sandbox: enabled 2019/12/03 01:27:51 namespace sandbox: enabled 2019/12/03 01:27:51 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:27:51 fault injection: enabled 2019/12/03 01:27:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:27:51 net packet injection: enabled 2019/12/03 01:27:51 net device setup: enabled 2019/12/03 01:27:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:27:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:27:52 executing program 0: r0 = syz_open_dev$video(&(0x7f0000000100)='/dev/video#\x00', 0x3, 0x0) ioctl$VIDIOC_S_FMT(r0, 0xc0d05640, &(0x7f0000000180)={0x9, @pix_mp={0x0, 0x0, 0x0, 0x0, 0x0, [], 0x1}}) 01:27:52 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_pr_ctr_aes128\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-blowfish-asm\x00'}, 0x58) syzkaller login: [ 56.029909][ T8173] IPVS: ftp: loaded support on port[0] = 21 [ 56.169464][ T8176] IPVS: ftp: loaded support on port[0] = 21 [ 56.176213][ T8173] chnl_net:caif_netlink_parms(): no params data found 01:27:52 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x7, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x79, 0x10, 0xa8}, [@ldst={0x5, 0x0, 0x3, 0x0, 0x0, 0x0, 0x8ffd0000}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) [ 56.241456][ T8173] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.250123][ T8173] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.260565][ T8173] device bridge_slave_0 entered promiscuous mode [ 56.280791][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.303013][ T8173] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.310880][ T8173] device bridge_slave_1 entered promiscuous mode [ 56.360810][ T8173] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.398788][ T8173] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.449449][ T8173] team0: Port device team_slave_0 added [ 56.461181][ T8178] IPVS: ftp: loaded support on port[0] = 21 [ 56.472661][ T8176] chnl_net:caif_netlink_parms(): no params data found [ 56.488655][ T8173] team0: Port device team_slave_1 added 01:27:53 executing program 3: unshare(0x8000400) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r3, 0x10d, 0xac, &(0x7f0000000140), &(0x7f00000000c0)=0x4) 01:27:53 executing program 4: perf_event_open(&(0x7f0000000340)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$vsock_stream(0x28, 0x1, 0x0) accept4(r0, 0x0, 0x0, 0x0) [ 56.677404][ T8173] device hsr_slave_0 entered promiscuous mode [ 56.745075][ T8173] device hsr_slave_1 entered promiscuous mode [ 56.814664][ T8176] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.821801][ T8176] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.832904][ T8181] IPVS: ftp: loaded support on port[0] = 21 [ 56.850837][ T8176] device bridge_slave_0 entered promiscuous mode [ 56.882094][ T8183] IPVS: ftp: loaded support on port[0] = 21 [ 56.903052][ T8176] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.910141][ T8176] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.919187][ T8176] device bridge_slave_1 entered promiscuous mode [ 56.973521][ T8176] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 01:27:53 executing program 5: pipe(&(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$alg(0x26, 0x5, 0x0) write$binfmt_script(r1, &(0x7f00000001c0)=ANY=[@ANYBLOB="8741d947a73ab43add87bedd31413e83cacd305efbdf735225f84bd09b8fc03bfd434b85cf8049fa716dac51727123846c0dc117f7837e596991a071456e9cacdd5ef9942cbd31adf6f092ac70a61fd3a3c6dc79fff7f6b696fbdd8371c6", @ANYRES32, @ANYRESDEC], 0x76) bind$alg(r2, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'crc32-generic\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) sched_setattr(0x0, 0x0, 0x0) r4 = accept4$alg(r3, 0x0, 0x0, 0x0) splice(r0, 0x0, r4, 0x0, 0x1ffffd, 0x0) [ 57.016687][ T8176] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.054712][ T8173] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.122575][ T8176] team0: Port device team_slave_0 added [ 57.145821][ T8176] team0: Port device team_slave_1 added [ 57.152395][ T8173] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.227543][ T8173] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.276153][ T8173] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.344877][ T8178] chnl_net:caif_netlink_parms(): no params data found [ 57.395754][ T8176] device hsr_slave_0 entered promiscuous mode [ 57.453290][ T8176] device hsr_slave_1 entered promiscuous mode [ 57.513140][ T8176] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.540926][ T8186] IPVS: ftp: loaded support on port[0] = 21 [ 57.576864][ T8181] chnl_net:caif_netlink_parms(): no params data found [ 57.624382][ T8178] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.631560][ T8178] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.639460][ T8178] device bridge_slave_0 entered promiscuous mode [ 57.650585][ T8178] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.659740][ T8178] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.668094][ T8178] device bridge_slave_1 entered promiscuous mode [ 57.721612][ T8181] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.729640][ T8181] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.737414][ T8181] device bridge_slave_0 entered promiscuous mode [ 57.747051][ T8176] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.828140][ T8176] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.881714][ T8176] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.956035][ T8181] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.963702][ T8181] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.971265][ T8181] device bridge_slave_1 entered promiscuous mode [ 57.985513][ T8178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.998516][ T8178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.007812][ T8176] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.084461][ T8178] team0: Port device team_slave_0 added [ 58.091706][ T8178] team0: Port device team_slave_1 added [ 58.106367][ T8183] chnl_net:caif_netlink_parms(): no params data found [ 58.118799][ T8181] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.195843][ T8178] device hsr_slave_0 entered promiscuous mode [ 58.233355][ T8178] device hsr_slave_1 entered promiscuous mode [ 58.273048][ T8178] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.306789][ T8181] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.346231][ T8178] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.396116][ T8178] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.462022][ T8183] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.471018][ T8183] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.478854][ T8183] device bridge_slave_0 entered promiscuous mode [ 58.492280][ T8178] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.547648][ T8181] team0: Port device team_slave_0 added [ 58.553762][ T8183] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.560984][ T8183] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.569200][ T8183] device bridge_slave_1 entered promiscuous mode [ 58.592559][ T8173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.602516][ T8178] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.666304][ T8181] team0: Port device team_slave_1 added [ 58.696164][ T8183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.711775][ T8183] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.774899][ T8181] device hsr_slave_0 entered promiscuous mode [ 58.833961][ T8181] device hsr_slave_1 entered promiscuous mode [ 58.883026][ T8181] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.890670][ T8186] chnl_net:caif_netlink_parms(): no params data found [ 58.916128][ T8176] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.928666][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.937549][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.950322][ T8173] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.970467][ T8183] team0: Port device team_slave_0 added [ 58.978853][ T8183] team0: Port device team_slave_1 added [ 58.996269][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.004619][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.036577][ T8176] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.048403][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.058839][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.068108][ T3792] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.075287][ T3792] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.084163][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.092564][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.100906][ T3792] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.107949][ T3792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.115725][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.122779][ T8186] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.131400][ T8186] device bridge_slave_0 entered promiscuous mode [ 59.175888][ T8183] device hsr_slave_0 entered promiscuous mode [ 59.213197][ T8183] device hsr_slave_1 entered promiscuous mode [ 59.272985][ T8183] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.280759][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.288996][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.297628][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.306723][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.316160][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.325961][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.333874][ T8186] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.340928][ T8186] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.349223][ T8186] device bridge_slave_1 entered promiscuous mode [ 59.364629][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.379440][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.387912][ T3792] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.395020][ T3792] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.417035][ T8181] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.468260][ T8181] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.544990][ T8181] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.587500][ T8181] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.649764][ T8173] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.660401][ T8173] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.672015][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.679870][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.688714][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.697181][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.707894][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.716296][ T3792] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.723374][ T3792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.730908][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.739418][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.747730][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.756310][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.764658][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.774327][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.781830][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.791892][ T8186] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.831808][ T8173] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.844028][ T8186] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.853265][ T8183] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.910012][ T8183] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.955206][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.962617][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.990515][ T8178] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.006770][ T8183] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.044873][ T8183] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.095090][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.105230][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.113798][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.127297][ T8186] team0: Port device team_slave_0 added [ 60.136197][ T8186] team0: Port device team_slave_1 added [ 60.148375][ T8178] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.187130][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.199647][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.208616][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 165.232852][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.239855][ C1] (detected by 1, t=10502 jiffies, g=6161, q=133) [ 165.246343][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953668-4294943165), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.259685][ C1] kworker/1:0 R running task 27576 17 2 0x80004008 [ 165.267583][ C1] Workqueue: events linkwatch_event [ 165.272787][ C1] Call Trace: [ 165.276055][ C1] [ 165.278895][ C1] sched_show_task+0x40f/0x560 [ 165.283653][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.288933][ C1] update_process_times+0x12d/0x180 [ 165.294119][ C1] tick_sched_timer+0x263/0x420 [ 165.298963][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.304496][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.309696][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.314636][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.319910][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.325444][ C1] apic_timer_interrupt+0xf/0x20 [ 165.330362][ C1] [ 165.333289][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 165.339347][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 e7 cc 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 165.358938][ C1] RSP: 0018:ffffc90000d8f6c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.367377][ C1] RAX: 1ffffd4000361aef RBX: 0000000000000000 RCX: ffff8880a9e40480 [ 165.376761][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b0d740 [ 165.384742][ C1] RBP: ffffc90000d8f6f0 R08: 000000000003a768 R09: fffffbfff120248a [ 165.392718][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 165.400768][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880957974a8 [ 165.408752][ C1] ? free_thread_stack+0x124/0x590 [ 165.413848][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.419291][ C1] free_thread_stack+0x168/0x590 [ 165.424231][ C1] put_task_stack+0xa3/0x130 [ 165.428897][ C1] finish_task_switch+0x3f1/0x550 [ 165.433941][ C1] __schedule+0x9a8/0xcc0 [ 165.438265][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.443372][ C1] preempt_schedule+0xdb/0x120 [ 165.448124][ C1] ___preempt_schedule+0x16/0x18 [ 165.453481][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 165.458142][ C1] ? vprintk_emit+0x368/0x3a0 [ 165.462805][ C1] vprintk_emit+0x36d/0x3a0 [ 165.467300][ C1] vprintk_default+0x28/0x30 [ 165.471883][ C1] vprintk_func+0x158/0x170 [ 165.476380][ C1] printk+0x62/0x8d [ 165.480186][ C1] ? addrconf_notify+0xd37/0x3c90 [ 165.485196][ C1] ? addrconf_notify+0x779/0x3c90 [ 165.490207][ C1] addrconf_notify+0x2c8d/0x3c90 [ 165.495137][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 165.500694][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 165.506053][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 165.511588][ C1] ? trace_hardirqs_on+0x74/0x80 [ 165.516511][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 165.521878][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 165.527429][ C1] ? tls_dev_event+0x619/0xc00 [ 165.532181][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 165.537714][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 165.543707][ C1] raw_notifier_call_chain+0xec/0x190 [ 165.549074][ C1] netdev_state_change+0x147/0x1f0 [ 165.554177][ C1] linkwatch_do_dev+0x10e/0x160 [ 165.559015][ C1] __linkwatch_run_queue+0x446/0x730 [ 165.564291][ C1] linkwatch_event+0x4c/0x60 [ 165.568865][ C1] process_one_work+0x7ef/0x10d0 [ 165.573804][ C1] worker_thread+0xc01/0x1630 [ 165.578846][ C1] kthread+0x332/0x350 [ 165.582899][ C1] ? rcu_lock_release+0x30/0x30 [ 165.587737][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.592312][ C1] ret_from_fork+0x24/0x30 [ 165.596729][ C1] rcu: rcu_preempt kthread starved for 10538 jiffies! g6161 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.607809][ C1] rcu: RCU grace-period kthread stack dump: [ 165.613872][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.621773][ C1] Call Trace: [ 165.625054][ C1] __schedule+0x9a0/0xcc0 [ 165.629381][ C1] schedule+0x181/0x210 [ 165.633545][ C1] schedule_timeout+0x14f/0x240 [ 165.638426][ C1] ? run_local_timers+0x120/0x120 [ 165.643453][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.648219][ C1] kthread+0x332/0x350 [ 165.652278][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.657377][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.661954][ C1] ret_from_fork+0x24/0x30