[ 41.891771][ T23] audit: type=1800 audit(1575385285.454:27): pid=7956 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.926514][ T23] audit: type=1800 audit(1575385285.454:28): pid=7956 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. [ 42.408340][ T23] audit: type=1800 audit(1575385286.054:29): pid=7956 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.428356][ T23] audit: type=1800 audit(1575385286.054:30): pid=7956 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 '10.128.1.41' (ECDSA) to the list of known hosts. 2019/12/03 15:01:35 fuzzer started 2019/12/03 15:01:36 dialing manager at 10.128.0.26:45711 2019/12/03 15:01:36 syscalls: 2689 2019/12/03 15:01:36 code coverage: enabled 2019/12/03 15:01:36 comparison tracing: enabled 2019/12/03 15:01:36 extra coverage: extra coverage is not supported by the kernel 2019/12/03 15:01:36 setuid sandbox: enabled 2019/12/03 15:01:36 namespace sandbox: enabled 2019/12/03 15:01:36 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 15:01:36 fault injection: enabled 2019/12/03 15:01:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 15:01:36 net packet injection: enabled 2019/12/03 15:01:36 net device setup: enabled 2019/12/03 15:01:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 15:01:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 15:01:37 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$alg(0x26, 0x5, 0x0) bind$alg(r2, &(0x7f0000000180)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(des3_ede)\x00'}, 0x58) r3 = accept4(r2, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r2, 0x117, 0x1, &(0x7f0000000000)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) sendto$unix(r3, &(0x7f0000000140)="24c838593907000000", 0x9, 0xffffffffffffffee, 0x0, 0x0) recvfrom(r3, &(0x7f0000001240)=""/4096, 0xb71b829b6f5560a, 0x0, 0x0, 0xfffffffffffffff1) 15:01:37 executing program 1: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r1, 0x10000000000025, &(0x7f0000000040)={0x1}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) close(r0) syzkaller login: [ 53.988024][ T8122] IPVS: ftp: loaded support on port[0] = 21 15:01:37 executing program 2: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000100)={{0xeb9f, 0x1, 0x0, 0x18, 0x2, 0xc, 0xc, 0x2, [@func_proto={0x0, 0x0, 0x0, 0xd, 0x2}]}}, &(0x7f0000000240)=""/191, 0x26, 0xbf, 0x8}, 0x20) [ 54.164610][ T8122] chnl_net:caif_netlink_parms(): no params data found [ 54.179269][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 54.243981][ T8122] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.266334][ T8122] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.274439][ T8122] device bridge_slave_0 entered promiscuous mode [ 54.305843][ T8122] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.313110][ T8122] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.321484][ T8122] device bridge_slave_1 entered promiscuous mode [ 54.354362][ T8127] IPVS: ftp: loaded support on port[0] = 21 [ 54.379472][ T8122] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.390248][ T8122] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.427012][ T8122] team0: Port device team_slave_0 added [ 54.446466][ T8122] team0: Port device team_slave_1 added 15:01:38 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r0, 0xae03, 0x25) [ 54.501930][ T8125] chnl_net:caif_netlink_parms(): no params data found 15:01:38 executing program 4: r0 = socket(0x0, 0x2, 0x0) setsockopt$inet_int(r0, 0x0, 0x0, 0x0, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000140)={0x0, @rand_addr, @initdev}, 0x0) 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000080)={0x0, 0xfffffcb5, &(0x7f00000001c0)={&(0x7f0000000040)={0x28, 0x23, 0x1, 0x0, 0x0, {0x20000000004, 0xe00000000000000}, [@typed={0x14, 0x17, @ipv6=@ipv4={[], [], @empty=0x4c00}}]}, 0x28}}, 0x0) [ 54.699535][ T8122] device hsr_slave_0 entered promiscuous mode [ 54.748372][ T8122] device hsr_slave_1 entered promiscuous mode 15:01:38 executing program 5: mmap(&(0x7f0000000000/0xfd4000)=nil, 0xfd4000, 0x1, 0x40000000000031, 0xffffffffffffffff, 0x0) r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_udp_int(r0, 0x11, 0xb, &(0x7f0000000040), 0x4) [ 54.940353][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.956122][ T8133] IPVS: ftp: loaded support on port[0] = 21 [ 54.962575][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.976454][ T8125] device bridge_slave_0 entered promiscuous mode [ 55.001664][ T8131] IPVS: ftp: loaded support on port[0] = 21 [ 55.020620][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.030155][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.038288][ T8125] device bridge_slave_1 entered promiscuous mode [ 55.048712][ T8127] chnl_net:caif_netlink_parms(): no params data found [ 55.092902][ T8135] IPVS: ftp: loaded support on port[0] = 21 [ 55.110760][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.123199][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.132525][ T8122] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.179681][ T8122] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.250954][ T8127] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.258918][ T8127] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.266718][ T8127] device bridge_slave_0 entered promiscuous mode [ 55.278742][ T8127] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.285787][ T8127] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.293446][ T8127] device bridge_slave_1 entered promiscuous mode [ 55.313035][ T8122] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.360018][ T8122] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.442028][ T8125] team0: Port device team_slave_0 added [ 55.452801][ T8127] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.471797][ T8125] team0: Port device team_slave_1 added [ 55.482445][ T8127] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.569063][ T8125] device hsr_slave_0 entered promiscuous mode [ 55.606633][ T8125] device hsr_slave_1 entered promiscuous mode [ 55.656500][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.705210][ T8127] team0: Port device team_slave_0 added [ 55.748265][ T8127] team0: Port device team_slave_1 added [ 55.775059][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 55.838938][ T8127] device hsr_slave_0 entered promiscuous mode [ 55.886693][ T8127] device hsr_slave_1 entered promiscuous mode [ 55.937121][ T8127] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.944746][ T8125] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.004221][ T8133] chnl_net:caif_netlink_parms(): no params data found [ 56.023968][ T8125] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.118996][ T8122] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.125813][ T8125] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.160262][ T8125] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.228509][ T8135] chnl_net:caif_netlink_parms(): no params data found [ 56.249862][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.258103][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.265717][ T8131] device bridge_slave_0 entered promiscuous mode [ 56.293350][ T8127] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.347344][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.354506][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.365252][ T8131] device bridge_slave_1 entered promiscuous mode [ 56.394409][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.405786][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.414586][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.422999][ T8127] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.478801][ T8127] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.528655][ T8127] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.579447][ T8133] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.587746][ T8133] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.595377][ T8133] device bridge_slave_0 entered promiscuous mode [ 56.609908][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.623953][ T8122] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.631710][ T8133] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.642234][ T8133] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.650569][ T8133] device bridge_slave_1 entered promiscuous mode [ 56.658273][ T8135] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.665353][ T8135] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.673272][ T8135] device bridge_slave_0 entered promiscuous mode [ 56.685285][ T8135] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.692509][ T8135] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.701424][ T8135] device bridge_slave_1 entered promiscuous mode [ 56.742180][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.750963][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.762572][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.769910][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.778632][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.787961][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.796764][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.804078][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.811751][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.821129][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.830385][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.847508][ T8131] team0: Port device team_slave_0 added [ 56.863309][ T8122] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.877172][ T8122] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.890346][ T8135] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.901764][ T8133] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.914002][ T8133] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.928244][ T8131] team0: Port device team_slave_1 added [ 56.935730][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.945614][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.954438][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.963108][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.979761][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.988312][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.997116][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.005453][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.013930][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.021814][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.032981][ T8135] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.078176][ T8135] team0: Port device team_slave_0 added [ 57.087027][ T8133] team0: Port device team_slave_0 added [ 57.129796][ T8131] device hsr_slave_0 entered promiscuous mode [ 57.166702][ T8131] device hsr_slave_1 entered promiscuous mode [ 57.206418][ T8131] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.218638][ T8135] team0: Port device team_slave_1 added [ 57.225291][ T8133] team0: Port device team_slave_1 added [ 57.253450][ T3701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.261595][ T3701] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.274779][ T8125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.313084][ T8122] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.369281][ T8133] device hsr_slave_0 entered promiscuous mode [ 57.406713][ T8133] device hsr_slave_1 entered promiscuous mode [ 57.446743][ T8133] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.488167][ T8135] device hsr_slave_0 entered promiscuous mode [ 57.526536][ T8135] device hsr_slave_1 entered promiscuous mode [ 57.576764][ T8135] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.586314][ T8131] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.645442][ T8125] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.659485][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.670596][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.688075][ T8131] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.728742][ T8131] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.781981][ T8131] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.901793][ T3701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.913134][ T3701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.922707][ T3701] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.930200][ T3701] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.940262][ T3701] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.949043][ T3701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.958054][ T3701] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.965142][ T3701] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.974406][ T3701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 162.886207][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.892997][ C1] rcu: 1-...!: (10499 ticks this GP) idle=a66/1/0x4000000000000002 softirq=11372/11372 fqs=39 [ 162.903584][ C1] (t=10501 jiffies g=5937 q=177) [ 162.908600][ C1] rcu: rcu_preempt kthread starved for 10423 jiffies! g5937 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 162.919679][ C1] rcu: RCU grace-period kthread stack dump: [ 162.925552][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 162.933440][ C1] Call Trace: [ 162.936724][ C1] __schedule+0x9a0/0xcc0 [ 162.941051][ C1] schedule+0x181/0x210 [ 162.945198][ C1] schedule_timeout+0x14f/0x240 [ 162.950057][ C1] ? run_local_timers+0x120/0x120 [ 162.955075][ C1] rcu_gp_kthread+0xed8/0x1770 [ 162.959841][ C1] kthread+0x332/0x350 [ 162.963894][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 162.968996][ C1] ? kthread_blkcg+0xe0/0xe0 [ 162.973575][ C1] ret_from_fork+0x24/0x30 [ 162.977997][ C1] NMI backtrace for cpu 1 [ 162.982314][ C1] CPU: 1 PID: 8133 Comm: syz-executor.4 Not tainted 5.4.0-syzkaller #0 [ 162.990533][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.001096][ C1] Call Trace: [ 163.004547][ C1] [ 163.007486][ C1] dump_stack+0x1fb/0x318 [ 163.011903][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.016740][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.023011][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.029086][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.035063][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.040966][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.046076][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.051269][ C1] ? trace_hardirqs_off+0x74/0x80 [ 163.056287][ C1] update_process_times+0x12d/0x180 [ 163.061476][ C1] tick_sched_timer+0x263/0x420 [ 163.066316][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.071851][ C1] __hrtimer_run_queues+0x403/0x840 [ 163.077054][ C1] hrtimer_interrupt+0x38c/0xda0 [ 163.082007][ C1] ? debug_smp_processor_id+0x9/0x20 [ 163.087284][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 163.092818][ C1] apic_timer_interrupt+0xf/0x20 [ 163.097746][ C1] [ 163.100673][ C1] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 163.106726][ C1] Code: 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 [ 163.126318][ C1] RSP: 0018:ffffc900021e7288 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 163.134723][ C1] RAX: 0000000000000001 RBX: ffffea00024eb780 RCX: 0000000000000000 [ 163.142684][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024eb780 [ 163.150649][ C1] RBP: ffffc900021e72a8 R08: 000000000003a768 R09: ffffed1015174b4f [ 163.158607][ C1] R10: ffffed1015174b4f R11: 0000000000000000 R12: ffffea00024eb780 [ 163.166570][ C1] R13: 1ffffd400049d6f7 R14: ffffea00024eb7b8 R15: 0000000000000000 [ 163.174558][ C1] free_thread_stack+0x12e/0x590 [ 163.179492][ C1] put_task_stack+0xa3/0x130 [ 163.184090][ C1] finish_task_switch+0x3f1/0x550 [ 163.189133][ C1] __schedule+0x9a8/0xcc0 [ 163.193470][ C1] ? ___preempt_schedule+0x16/0x18 [ 163.198592][ C1] preempt_schedule+0xdb/0x120 [ 163.203394][ C1] ___preempt_schedule+0x16/0x18 [ 163.208371][ C1] try_to_wake_up+0xe78/0x1050 [ 163.213142][ C1] wake_up_q+0x8c/0xe0 [ 163.217209][ C1] __mutex_unlock_slowpath+0x586/0x5b0 [ 163.222670][ C1] mutex_unlock+0x1b/0x30 [ 163.226992][ C1] __rtnl_unlock+0x2c/0xa0 [ 163.231401][ C1] netdev_run_todo+0xe5/0xe10 [ 163.236164][ C1] rtnl_unlock+0xe/0x10 [ 163.240306][ C1] nsim_create+0x224/0x230 [ 163.244713][ C1] __nsim_dev_port_add+0x289/0x4d0 [ 163.249811][ C1] ? debugfs_create_file_unsafe+0x4a/0x60 [ 163.255523][ C1] ? nsim_bpf_dev_init+0x1eb/0x220 [ 163.260686][ C1] nsim_dev_probe+0xb55/0xef0 [ 163.265389][ C1] nsim_bus_probe+0x15/0x20 [ 163.269893][ C1] really_probe+0x71c/0xf40 [ 163.274394][ C1] driver_probe_device+0xfc/0x260 [ 163.279411][ C1] ? parse_option_str+0x1bf/0x200 [ 163.284452][ C1] __device_attach_driver+0x336/0x3f0 [ 163.289814][ C1] ? coredump_store+0x90/0x90 [ 163.294481][ C1] bus_for_each_drv+0x12b/0x180 [ 163.299427][ C1] __device_attach+0x1ea/0x390 [ 163.304286][ C1] device_initial_probe+0x1a/0x20 [ 163.309307][ C1] bus_probe_device+0xb9/0x1f0 [ 163.314066][ C1] device_add+0x1710/0x1ad0 [ 163.318586][ C1] device_register+0x1d/0x20 [ 163.323162][ C1] new_device_store+0x286/0x510 [ 163.329042][ C1] ? nsim_num_vf+0x50/0x50 [ 163.333451][ C1] bus_attr_store+0x78/0x90 [ 163.337937][ C1] ? bus_attr_show+0x90/0x90 [ 163.342517][ C1] sysfs_kf_write+0x281/0x2f0 [ 163.347190][ C1] ? sysfs_kf_read+0x370/0x370 [ 163.351946][ C1] kernfs_fop_write+0x3e4/0x4e0 [ 163.356788][ C1] ? kernfs_fop_read+0x580/0x580 [ 163.361714][ C1] __vfs_write+0xb8/0x740 [ 163.366124][ C1] ? rcu_read_lock_any_held+0x13d/0x1a0 [ 163.371654][ C1] ? __sb_start_write+0x382/0x430 [ 163.376668][ C1] vfs_write+0x275/0x590 [ 163.380904][ C1] ksys_write+0x117/0x220 [ 163.385224][ C1] __x64_sys_write+0x7b/0x90 [ 163.389802][ C1] do_syscall_64+0xf7/0x1c0 [ 163.394301][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.400180][ C1] RIP: 0033:0x414130 [ 163.404066][ C1] Code: b0 89 c8 f7 d8 eb ed b8 6e 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 3d 3d 43 66 00 00 75 14 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 c4 1b 00 00 c3 48 83 ec 08 e8 ca fc ff ff [ 163.423660][ C1] RSP: 002b:00007ffcb3d39a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 163.432056][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000414130 [ 163.440031][ C1] RDX: 0000000000000003 RSI: 00007ffcb3d39a80 RDI: 0000000000000004 [ 163.447990][ C1] RBP: 00007ffcb3d39a80 R08: 0000000000000000 R09: 0000000000000003 [ 163.455946][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004bfc97 [ 163.463913][ C1] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000