[ 41.965901][ T23] audit: type=1800 audit(1575334268.456:27): pid=7930 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.997767][ T23] audit: type=1800 audit(1575334268.456:28): pid=7930 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. [ 42.633104][ T23] audit: type=1800 audit(1575334269.176:29): pid=7930 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.652864][ T23] audit: type=1800 audit(1575334269.186:30): pid=7930 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 '10.128.0.19' (ECDSA) to the list of known hosts. 2019/12/03 00:51:18 fuzzer started 2019/12/03 00:51:20 dialing manager at 10.128.0.26:38907 2019/12/03 00:51:20 syscalls: 2697 2019/12/03 00:51:20 code coverage: enabled 2019/12/03 00:51:20 comparison tracing: enabled 2019/12/03 00:51:20 extra coverage: extra coverage is not supported by the kernel 2019/12/03 00:51:20 setuid sandbox: enabled 2019/12/03 00:51:20 namespace sandbox: enabled 2019/12/03 00:51:20 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 00:51:20 fault injection: enabled 2019/12/03 00:51:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 00:51:20 net packet injection: enabled 2019/12/03 00:51:20 net device setup: enabled 2019/12/03 00:51:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 00:51:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:51:21 executing program 0: r0 = gettid() process_vm_readv(r0, &(0x7f0000000640)=[{&(0x7f0000000040)=""/144, 0x90}, {&(0x7f0000000140)=""/158, 0x9e}, {&(0x7f00000002c0)=""/130, 0x82}], 0x3, &(0x7f0000000240)=[{&(0x7f0000000840)=""/4096, 0x1000}], 0x1, 0x0) 00:51:21 executing program 1: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$IP_VS_SO_SET_ADD(r3, 0x0, 0x482, &(0x7f0000000000)={0x84, @loopback, 0x0, 0x1, 'sh\x00'}, 0x2c) setsockopt$IP_VS_SO_SET_DEL(r3, 0x0, 0x484, &(0x7f0000001280)={0x20000000000084, @broadcast, 0x0, 0x200000001, 'lblcr\x00'}, 0x2c) syzkaller login: [ 54.890881][ T8096] IPVS: ftp: loaded support on port[0] = 21 00:51:21 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x3c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x9}, 0x1c) sendmsg(r0, &(0x7f00000000c0)={0x0, 0xffffffffffffffd5, 0x0}, 0xc100) sendmsg(r0, &(0x7f0000000a40)={0x0, 0x16e, &(0x7f0000000380)=[{&(0x7f0000000fc0)="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", 0x584}], 0x1}, 0x0) [ 55.041179][ T8098] IPVS: ftp: loaded support on port[0] = 21 [ 55.053765][ T8096] chnl_net:caif_netlink_parms(): no params data found [ 55.182804][ T8101] IPVS: ftp: loaded support on port[0] = 21 [ 55.194057][ T8096] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.217944][ T8096] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.225644][ T8096] device bridge_slave_0 entered promiscuous mode [ 55.234639][ T8096] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.243778][ T8096] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.252116][ T8096] device bridge_slave_1 entered promiscuous mode [ 55.331912][ T8098] chnl_net:caif_netlink_parms(): no params data found [ 55.350321][ T8096] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.374477][ T8096] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 00:51:21 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) close(r0) openat$vhci(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vhci\x00', 0x801) io_setup(0xc01, &(0x7f0000000480)=0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(0xffffffffffffffff, 0x402c5342, &(0x7f0000000140)={0x202, 0x0, 0x0, {0x0, 0x989680}}) io_submit(r1, 0x1400, &(0x7f0000000240)=[&(0x7f0000000280)={0x579c, 0x0, 0x0, 0x800000000001, 0x0, r0, &(0x7f0000000140), 0x2}]) [ 55.435330][ T8098] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.449355][ T8098] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.469579][ T8098] device bridge_slave_0 entered promiscuous mode [ 55.500798][ T8096] team0: Port device team_slave_0 added [ 55.554045][ T8098] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.567834][ T8098] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.575778][ T8098] device bridge_slave_1 entered promiscuous mode [ 55.585403][ T8096] team0: Port device team_slave_1 added [ 55.611837][ T8105] IPVS: ftp: loaded support on port[0] = 21 00:51:22 executing program 4: keyctl$instantiate(0xc, 0x0, &(0x7f0000000100)=@encrypted_load={'load ', 'ecryptfs', 0x20, 'trusted:', 'user:', 0x20, 0x40}, 0xfffffffffffffe8a, 0x0) add_key(&(0x7f0000000140)='encrypted\x00', &(0x7f0000000180)={'syz'}, &(0x7f0000000100), 0xca, 0xfffffffffffffffe) [ 55.663015][ T8098] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.720461][ T8096] device hsr_slave_0 entered promiscuous mode [ 55.779807][ T8096] device hsr_slave_1 entered promiscuous mode [ 55.827531][ T8101] chnl_net:caif_netlink_parms(): no params data found [ 55.850789][ T8098] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 00:51:22 executing program 5: r0 = epoll_create1(0x0) pipe(&(0x7f0000000140)) r1 = epoll_create1(0x0) close(r0) r2 = memfd_create(&(0x7f0000000140)='lotrusted\x1a\x00', 0x0) r3 = syz_open_dev$sndseq(&(0x7f00000003c0)='/dev/snd/seq\x00', 0x0, 0x1) dup2(r3, r2) socket$nl_route(0x10, 0x3, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000780)={0x4000201f}) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r0, &(0x7f0000000180)) pselect6(0x40, &(0x7f0000000280), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200), 0x0) [ 55.936738][ T8107] IPVS: ftp: loaded support on port[0] = 21 [ 55.961658][ T8098] team0: Port device team_slave_0 added [ 55.979631][ T8096] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.029574][ T8101] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.036787][ T8101] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.045488][ T8101] device bridge_slave_0 entered promiscuous mode [ 56.055036][ T8101] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.062234][ T8101] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.070289][ T8101] device bridge_slave_1 entered promiscuous mode [ 56.079433][ T8098] team0: Port device team_slave_1 added [ 56.112460][ T8109] IPVS: ftp: loaded support on port[0] = 21 [ 56.119697][ T8096] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.151406][ T8096] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.193379][ T8096] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.300065][ T8098] device hsr_slave_0 entered promiscuous mode [ 56.358059][ T8098] device hsr_slave_1 entered promiscuous mode [ 56.407965][ T8098] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.423140][ T8101] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.437350][ T8101] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.463462][ T8101] team0: Port device team_slave_0 added [ 56.473662][ T8101] team0: Port device team_slave_1 added [ 56.590474][ T8101] device hsr_slave_0 entered promiscuous mode [ 56.638065][ T8101] device hsr_slave_1 entered promiscuous mode [ 56.677858][ T8101] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.711627][ T8105] chnl_net:caif_netlink_parms(): no params data found [ 56.791261][ T8101] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.830287][ T8101] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.879727][ T8098] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.946799][ T8101] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.983413][ T8101] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.039770][ T8098] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.089633][ T8098] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.136139][ T8098] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.189667][ T8105] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.198854][ T8105] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.207321][ T8105] device bridge_slave_0 entered promiscuous mode [ 57.222724][ T8105] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.230250][ T8105] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.238312][ T8105] device bridge_slave_1 entered promiscuous mode [ 57.306453][ T8109] chnl_net:caif_netlink_parms(): no params data found [ 57.316899][ T8105] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.326250][ T8107] chnl_net:caif_netlink_parms(): no params data found [ 57.353786][ T8105] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.365328][ T8096] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.431736][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.440445][ T8110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.451297][ T8096] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.460863][ T8105] team0: Port device team_slave_0 added [ 57.478871][ T8109] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.486029][ T8109] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.495371][ T8109] device bridge_slave_0 entered promiscuous mode [ 57.512547][ T8105] team0: Port device team_slave_1 added [ 57.528761][ T8107] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.535875][ T8107] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.543665][ T8107] device bridge_slave_0 entered promiscuous mode [ 57.553606][ T8107] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.560960][ T8107] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.572337][ T8107] device bridge_slave_1 entered promiscuous mode [ 57.579665][ T8109] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.586744][ T8109] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.595951][ T8109] device bridge_slave_1 entered promiscuous mode [ 57.609456][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.618583][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.627165][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.634393][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.643164][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.652052][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.660955][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.668056][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.675585][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.684990][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.694221][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.721306][ T8109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.734386][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.745146][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.753960][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.762569][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.771568][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.790079][ T8107] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.810792][ T8101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.818967][ T8109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.833836][ T8098] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.841481][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.850142][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.859685][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.868077][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.882041][ T8107] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.894061][ T8096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.914213][ T8109] team0: Port device team_slave_0 added [ 57.924048][ T8109] team0: Port device team_slave_1 added [ 57.962186][ T8105] device hsr_slave_0 entered promiscuous mode [ 58.018236][ T8105] device hsr_slave_1 entered promiscuous mode [ 58.057897][ T8105] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.076111][ T8107] team0: Port device team_slave_0 added [ 58.120715][ T8109] device hsr_slave_0 entered promiscuous mode [ 58.198224][ T8109] device hsr_slave_1 entered promiscuous mode [ 58.247995][ T8109] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.268293][ T8107] team0: Port device team_slave_1 added [ 58.283638][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.291992][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.317538][ T8105] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.363339][ T8105] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.410722][ T8105] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.479909][ T8105] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.540429][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.548716][ T2985] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.619847][ T8107] device hsr_slave_0 entered promiscuous mode [ 58.648230][ T8107] device hsr_slave_1 entered promiscuous mode [ 58.687898][ T8107] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.698261][ T8101] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.722964][ T8098] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.742349][ T8096] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.754347][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.762537][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.770285][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.779673][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.788932][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.796114][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.803980][ T8109] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.862210][ T8109] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.948444][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.956592][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.971701][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.980834][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.988023][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.996112][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.005197][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.013643][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.021653][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.029589][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.039400][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.052048][ T8109] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.100497][ T8109] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.173767][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.231525][ T8114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 164.247670][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 164.255144][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7 [ 164.263722][ C0] (detected by 0, t=10503 jiffies, g=6153, q=134) [ 164.270312][ C0] kworker/u4:0 R running task 27704 7 2 0x80004008 [ 164.278865][ C0] Workqueue: bat_events batadv_nc_worker [ 164.284595][ C0] Call Trace: [ 164.288217][ C0] [ 164.291148][ C0] sched_show_task+0x40f/0x560 [ 164.296514][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 164.302875][ C0] update_process_times+0x12d/0x180 [ 164.308088][ C0] tick_sched_timer+0x263/0x420 [ 164.312942][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.318476][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.323681][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.328656][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.333935][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.339757][ C0] apic_timer_interrupt+0xf/0x20 [ 164.344695][ C0] [ 164.347629][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 164.353345][ C0] Code: 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 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 164.373115][ C0] RSP: 0018:ffffc90000cdfa60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.382500][ C0] RAX: ffffffff81487433 RBX: ffff8880a6c87908 RCX: ffff8880a9d9e1c0 [ 164.390499][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002589c80 [ 164.399767][ C0] RBP: ffffc90000cdfa98 R08: 000000000003a768 R09: ffffed1013f806af [ 164.408087][ C0] R10: ffffed1013f806af R11: 0000000000000000 R12: ffff8880a6c879a0 [ 164.416192][ C0] R13: dffffc0000000000 R14: 1ffff11014d90f34 R15: ffff88809fc03568 [ 164.427830][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.433202][ C0] put_task_stack+0xa3/0x130 [ 164.437790][ C0] finish_task_switch+0x3f1/0x550 [ 164.445626][ C0] __schedule+0x9a8/0xcc0 [ 164.450052][ C0] ? retint_kernel+0x2b/0x2b [ 164.455655][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 164.461459][ C0] preempt_schedule_notrace+0xdb/0x120 [ 164.466908][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 164.472534][ C0] ? rcu_is_watching+0x57/0xa0 [ 164.477291][ C0] rcu_is_watching+0x82/0xa0 [ 164.481884][ C0] batadv_nc_worker+0x115/0x600 [ 164.486744][ C0] process_one_work+0x7ef/0x10d0 [ 164.491716][ C0] worker_thread+0xc01/0x1630 [ 164.497314][ C0] kthread+0x332/0x350 [ 164.502195][ C0] ? rcu_lock_release+0x30/0x30 [ 164.508946][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.514341][ C0] ret_from_fork+0x24/0x30 [ 164.519054][ C0] rcu: rcu_preempt kthread starved for 10529 jiffies! g6153 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.530585][ C0] rcu: RCU grace-period kthread stack dump: [ 164.539441][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.550372][ C0] Call Trace: [ 164.554361][ C0] __schedule+0x9a0/0xcc0 [ 164.558991][ C0] schedule+0x181/0x210 [ 164.564853][ C0] schedule_timeout+0x14f/0x240 [ 164.570300][ C0] ? run_local_timers+0x120/0x120 [ 164.575480][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.580283][ C0] kthread+0x332/0x350 [ 164.584368][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.589558][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.594662][ C0] ret_from_fork+0x24/0x30