[ 43.228458][ T26] audit: type=1800 audit(1575441405.535:29): pid=7898 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.134' (ECDSA) to the list of known hosts. 2019/12/04 06:36:56 fuzzer started 2019/12/04 06:36:58 dialing manager at 10.128.0.26:42111 2019/12/04 06:36:58 syscalls: 2689 2019/12/04 06:36:58 code coverage: enabled 2019/12/04 06:36:58 comparison tracing: enabled 2019/12/04 06:36:58 extra coverage: extra coverage is not supported by the kernel 2019/12/04 06:36:58 setuid sandbox: enabled 2019/12/04 06:36:58 namespace sandbox: enabled 2019/12/04 06:36:58 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 06:36:58 fault injection: enabled 2019/12/04 06:36:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 06:36:58 net packet injection: enabled 2019/12/04 06:36:58 net device setup: enabled 2019/12/04 06:36:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 06:36:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:36:59 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = socket$inet_udp(0x2, 0x2, 0x0) close(r4) socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x14, 0x11, 0x1, 0x1}, 0x14}}, 0x0) write$binfmt_misc(r3, &(0x7f0000000140)=ANY=[], 0xffd7) splice(r2, 0x0, r4, 0x0, 0x80000000, 0x0) 06:36:59 executing program 1: setxattr$security_smack_transmute(0x0, 0x0, 0x0, 0x0, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = fcntl$dupfd(r0, 0x0, r0) bind$bt_rfcomm(r1, &(0x7f0000000000), 0xa) syzkaller login: [ 57.562503][ T8061] IPVS: ftp: loaded support on port[0] = 21 [ 57.669050][ T8061] chnl_net:caif_netlink_parms(): no params data found [ 57.711236][ T8061] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.720246][ T8061] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.728456][ T8061] device bridge_slave_0 entered promiscuous mode [ 57.738604][ T8061] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.745711][ T8061] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.753911][ T8061] device bridge_slave_1 entered promiscuous mode [ 57.774737][ T8061] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.786921][ T8061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.808705][ T8061] team0: Port device team_slave_0 added [ 57.817160][ T8061] team0: Port device team_slave_1 added 06:37:00 executing program 2: perf_event_open(&(0x7f00000006c0)={0x2, 0x70, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) r1 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0xb, 0x12, r1, 0x0) ftruncate(r0, 0x48280) r2 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r2, 0x0) perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0xfffffff6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 57.828931][ T8064] IPVS: ftp: loaded support on port[0] = 21 [ 57.919347][ T8061] device hsr_slave_0 entered promiscuous mode [ 57.977071][ T8061] device hsr_slave_1 entered promiscuous mode [ 58.044278][ T8066] IPVS: ftp: loaded support on port[0] = 21 06:37:00 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) sendmsg$kcm(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000200)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x3, 0x0, 0x3, 0x1, {0xa, 0x0, 0x0, @empty, 0x2}}}, 0x80, 0x0}, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_VCPU_EVENTS(r2, 0x4400ae8f, &(0x7f0000000000)) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fdf000/0x18000)=nil, 0x0, 0x11d, 0x0, 0x0, 0xc5ab814c560692c9) [ 58.087947][ T8061] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.119749][ T8061] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.185721][ T8061] netdevsim netdevsim0 netdevsim2: renamed from eth2 06:37:00 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x1000000005, &(0x7f0000000640)=0x5, 0x4) getsockopt$inet6_tcp_int(r0, 0x6, 0x1000000000000005, 0x0, &(0x7f0000000080)) [ 58.267924][ T8061] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.346866][ T8068] IPVS: ftp: loaded support on port[0] = 21 [ 58.402951][ T8061] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.410149][ T8061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.417931][ T8061] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.424988][ T8061] bridge0: port 1(bridge_slave_0) entered forwarding state 06:37:00 executing program 5: r0 = syz_open_dev$usbfs(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x1a9b, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x28011, r0, 0x0) mq_open(0x0, 0x0, 0x0, &(0x7f0000000100)) [ 58.522469][ T8071] IPVS: ftp: loaded support on port[0] = 21 [ 58.531713][ T8064] chnl_net:caif_netlink_parms(): no params data found [ 58.701176][ T8066] chnl_net:caif_netlink_parms(): no params data found [ 58.720403][ T8064] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.728217][ T8064] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.735698][ T8064] device bridge_slave_0 entered promiscuous mode [ 58.751151][ T8061] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.761054][ T8075] IPVS: ftp: loaded support on port[0] = 21 [ 58.781206][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.789602][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.798966][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.818853][ T8064] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.825989][ T8064] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.833704][ T8064] device bridge_slave_1 entered promiscuous mode [ 58.850865][ T8064] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.863491][ T8064] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.909620][ T8066] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.917923][ T8066] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.925625][ T8066] device bridge_slave_0 entered promiscuous mode [ 58.934459][ T8066] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.941930][ T8066] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.949750][ T8066] device bridge_slave_1 entered promiscuous mode [ 58.960617][ T8068] chnl_net:caif_netlink_parms(): no params data found [ 58.990543][ T8061] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.999678][ T8064] team0: Port device team_slave_0 added [ 59.008904][ T8064] team0: Port device team_slave_1 added [ 59.022636][ T8076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.033113][ T8076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.079645][ T8066] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.090610][ T8066] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.100475][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.109102][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.117517][ T2952] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.124684][ T2952] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.138831][ T8071] chnl_net:caif_netlink_parms(): no params data found [ 59.172357][ T8072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.182808][ T8072] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.191654][ T8072] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.198764][ T8072] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.224879][ T8066] team0: Port device team_slave_0 added [ 59.235274][ T8066] team0: Port device team_slave_1 added [ 59.248290][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.257673][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.266205][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.275212][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.283696][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.292219][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.300508][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.308815][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.316937][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.325027][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.333264][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.347734][ T8068] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.354884][ T8068] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.362702][ T8068] device bridge_slave_0 entered promiscuous mode [ 59.372332][ T8068] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.379446][ T8068] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.387395][ T8068] device bridge_slave_1 entered promiscuous mode [ 59.468579][ T8064] device hsr_slave_0 entered promiscuous mode [ 59.516522][ T8064] device hsr_slave_1 entered promiscuous mode [ 59.555968][ T8064] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.567185][ T8061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.590403][ T8071] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.598283][ T8071] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.606191][ T8071] device bridge_slave_0 entered promiscuous mode [ 59.614353][ T8068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.648598][ T8066] device hsr_slave_0 entered promiscuous mode [ 59.696259][ T8066] device hsr_slave_1 entered promiscuous mode [ 59.736015][ T8066] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.747298][ T8071] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.754351][ T8071] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.763000][ T8071] device bridge_slave_1 entered promiscuous mode [ 59.771241][ T8068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.812596][ T8064] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.879893][ T8064] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.938413][ T8064] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.982250][ T8064] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.037315][ T8071] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.052449][ T8071] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.067301][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.074669][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.132152][ T8075] chnl_net:caif_netlink_parms(): no params data found [ 60.143137][ T8068] team0: Port device team_slave_0 added [ 60.153132][ T8068] team0: Port device team_slave_1 added [ 60.165388][ T8071] team0: Port device team_slave_0 added [ 60.173414][ T8071] team0: Port device team_slave_1 added [ 60.188483][ T8061] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.199814][ T8066] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.263244][ T8066] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.331719][ T8066] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.388059][ T8066] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.478443][ T8068] device hsr_slave_0 entered promiscuous mode [ 60.496099][ T8068] device hsr_slave_1 entered promiscuous mode [ 60.548726][ T8068] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.576361][ T8075] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.583466][ T8075] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.593403][ T8075] device bridge_slave_0 entered promiscuous mode [ 60.601342][ T8075] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.608643][ T8075] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.617732][ T8075] device bridge_slave_1 entered promiscuous mode [ 60.678597][ T8071] device hsr_slave_0 entered promiscuous mode [ 60.726414][ T8071] device hsr_slave_1 entered promiscuous mode [ 60.786005][ T8071] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.809188][ T8075] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.822671][ T8075] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.880067][ T8068] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 165.885809][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.892596][ C1] rcu: 1-....: (10499 ticks this GP) idle=aba/1/0x4000000000000002 softirq=11530/11530 fqs=2830 [ 165.903344][ C1] (t=10500 jiffies g=6109 q=140) [ 165.908365][ C1] rcu: rcu_preempt kthread starved for 4829 jiffies! g6109 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.919369][ C1] rcu: RCU grace-period kthread stack dump: [ 165.925258][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.933159][ C1] Call Trace: [ 165.936584][ C1] __schedule+0x9a0/0xcc0 [ 165.940935][ C1] schedule+0x181/0x210 [ 165.945100][ C1] schedule_timeout+0x14f/0x240 [ 165.950123][ C1] ? run_local_timers+0x120/0x120 [ 165.955152][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.959922][ C1] kthread+0x332/0x350 [ 165.964018][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.969143][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.973742][ C1] ret_from_fork+0x24/0x30 [ 165.978173][ C1] NMI backtrace for cpu 1 [ 165.982507][ C1] CPU: 1 PID: 8082 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 165.990736][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.000785][ C1] Call Trace: [ 166.004064][ C1] [ 166.006920][ C1] dump_stack+0x1fb/0x318 [ 166.011334][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.016183][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.022330][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.028395][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.034377][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.040263][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.045372][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.050575][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.055598][ C1] update_process_times+0x12d/0x180 [ 166.060795][ C1] tick_sched_timer+0x263/0x420 [ 166.065641][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.071181][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.076390][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.081340][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.086623][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.092167][ C1] apic_timer_interrupt+0xf/0x20 [ 166.097188][ C1] [ 166.100126][ C1] RIP: 0010:mod_memcg_page_state+0x123/0x190 [ 166.106107][ C1] Code: e8 f2 9e 69 00 48 83 3d 12 22 c2 07 00 74 70 e8 e3 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 f4 c2 33 00 eb 43 e8 cd 27 2e 00 3c e8 86 c0 33 00 48 c7 c0 28 96 0a 89 48 c1 e8 03 42 80 3c 20 [ 166.125863][ C1] RSP: 0018:ffffc90002527e10 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 166.134294][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a867e600 [ 166.142262][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000247be40 [ 166.150229][ C1] RBP: ffffc90002527e30 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.158194][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 166.166164][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8a43568 [ 166.174146][ C1] ? mod_memcg_page_state+0x123/0x190 [ 166.179542][ C1] free_thread_stack+0x168/0x590 [ 166.184491][ C1] put_task_stack+0xa3/0x130 [ 166.189241][ C1] finish_task_switch+0x3f1/0x550 [ 166.194276][ C1] schedule_tail+0x20/0x1a0 [ 166.198783][ C1] ret_from_fork+0x8/0x30 [ 166.203124][ C1] RIP: 0033:0x458c4a [ 166.207088][ C1] Code: Bad RIP value. [ 166.211149][ C1] RSP: 002b:00007ffd8d6b12b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 166.219558][ C1] RAX: 0000000000000000 RBX: 00007ffd8d6b12b0 RCX: 0000000000458c4a [ 166.227514][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 166.235485][ C1] RBP: 00007ffd8d6b12f0 R08: 0000000000000001 R09: 0000000000bf8940 [ 166.243462][ C1] R10: 0000000000bf8c10 R11: 0000000000000246 R12: 0000000000000001 [ 166.251437][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffd8d6b1340