[ 42.373212][ T23] audit: type=1800 audit(1575458996.882:26): pid=7954 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.432422][ T23] audit: type=1800 audit(1575458996.882:27): pid=7954 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.464011][ T23] audit: type=1800 audit(1575458996.902:28): pid=7954 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. [ 43.326674][ T23] audit: type=1800 audit(1575458997.852:29): pid=7954 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 '10.128.0.220' (ECDSA) to the list of known hosts. 2019/12/04 11:30:05 fuzzer started 2019/12/04 11:30:07 dialing manager at 10.128.0.26:36481 2019/12/04 11:30:07 syscalls: 2691 2019/12/04 11:30:07 code coverage: enabled 2019/12/04 11:30:07 comparison tracing: enabled 2019/12/04 11:30:07 extra coverage: extra coverage is not supported by the kernel 2019/12/04 11:30:07 setuid sandbox: enabled 2019/12/04 11:30:07 namespace sandbox: enabled 2019/12/04 11:30:07 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 11:30:07 fault injection: enabled 2019/12/04 11:30:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 11:30:07 net packet injection: enabled 2019/12/04 11:30:07 net device setup: enabled 2019/12/04 11:30:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 11:30:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:30:08 executing program 0: r0 = syz_open_dev$vivid(&(0x7f0000000100)='/dev/video#\x00', 0x0, 0x2) ioctl$VIDIOC_DQBUF(r0, 0xc058560f, &(0x7f0000000080)={0x0, 0x3, 0x4, 0x0, {0x0, 0x2710}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "a6550de3"}, 0x0, 0x0, @offset, 0x4}) 11:30:08 executing program 1: bpf$MAP_CREATE(0x900000000000000, &(0x7f0000000100)={0x4, 0x4, 0x200000004, 0x7, 0x0, 0xffffffffffffffff, 0x0, [0x305f, 0x2e, 0x5f, 0x80ffff, 0x5f, 0x5f, 0x80ffff, 0x2e, 0x5f, 0x2e, 0x2e, 0x2e, 0x5f, 0x7b37, 0x2e, 0x2]}, 0x3c) syzkaller login: [ 54.147125][ T8120] IPVS: ftp: loaded support on port[0] = 21 11:30:08 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") r1 = socket(0x10, 0x2, 0x0) sendto(r1, &(0x7f0000000900)="120000001200e7ef077b1a3fcd00000200a1", 0x12, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000037c0)=[{{&(0x7f0000000140)=@ethernet={0x0, @random}, 0x8, &(0x7f0000000380)=[{&(0x7f0000000040)=""/95, 0x3d}, {&(0x7f00000000c0)=""/85, 0x4e4}, {&(0x7f00000024c0)=""/4096, 0x1048}, {&(0x7f0000000400)=""/120, 0x78}, {&(0x7f0000000480)=""/60, 0xc6}, {&(0x7f0000000280)=""/77, 0x7}, {&(0x7f0000000540)=""/154, 0x9a}, {&(0x7f0000000340)=""/22, 0x220}], 0x8, &(0x7f0000002400)=""/191, 0x1f9}}], 0x4000000000001de, 0x6, &(0x7f0000003700)={0x77359400}) [ 54.311548][ T8123] IPVS: ftp: loaded support on port[0] = 21 [ 54.319704][ T8120] chnl_net:caif_netlink_parms(): no params data found [ 54.375746][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.399522][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.407677][ T8120] device bridge_slave_0 entered promiscuous mode [ 54.436193][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.449479][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.457359][ T8120] device bridge_slave_1 entered promiscuous mode [ 54.516531][ T8125] IPVS: ftp: loaded support on port[0] = 21 [ 54.529802][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 11:30:09 executing program 3: r0 = bpf$BPF_BTF_LOAD(0x12, &(0x7f00000003c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="9feb010018000000000000000c0000000c000000020000000000000000000004020000000000"], 0x0, 0x26}, 0x20) bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x4, 0x3, &(0x7f0000000040)=@framed, &(0x7f00000000c0)='GPL\x00', 0x5, 0xb6, &(0x7f0000000400)=""/182, 0x0, 0x0, [], 0x0, 0x0, r0, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000140)={0x2}, 0x10}, 0x70) [ 54.560418][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.656612][ T8120] team0: Port device team_slave_0 added [ 54.676672][ T8123] chnl_net:caif_netlink_parms(): no params data found [ 54.705030][ T8120] team0: Port device team_slave_1 added [ 54.735367][ T8128] IPVS: ftp: loaded support on port[0] = 21 11:30:09 executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff}, 0x0) close(r0) syz_open_dev$vivid(&(0x7f0000000040)='/dev/video#\x00', 0x1, 0x2) r1 = epoll_create1(0x0) mount$9p_fd(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f00000001c0)='9p\x00', 0x0, &(0x7f00000000c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) [ 54.862164][ T8120] device hsr_slave_0 entered promiscuous mode [ 54.951233][ T8120] device hsr_slave_1 entered promiscuous mode 11:30:09 executing program 5: add_key(&(0x7f0000000000)='asymmetric\x00', 0x0, &(0x7f0000000440)="3058020104000000000000987ff008d672bd136840d27c44d58e94ea51a7dfc59e92e80d9482ca7839173a8f1143a939b4fd2672693a46c08df6616dd21be3453ecf73039a20f43acbc5376139a9070ae27dd847474d1e59b269", 0x5a, 0xfffffffffffffffd) [ 55.035449][ T8131] IPVS: ftp: loaded support on port[0] = 21 [ 55.072588][ T8123] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.079834][ T8123] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.101014][ T8123] device bridge_slave_0 entered promiscuous mode [ 55.138768][ T8123] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.150699][ T8123] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.158463][ T8123] device bridge_slave_1 entered promiscuous mode [ 55.178774][ T8120] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.233344][ T8120] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.315032][ T8123] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.325930][ T8123] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.335403][ T8125] chnl_net:caif_netlink_parms(): no params data found [ 55.347507][ T8120] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.408092][ T8120] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.502630][ T8123] team0: Port device team_slave_0 added [ 55.504260][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 55.512820][ T8123] team0: Port device team_slave_1 added [ 55.523346][ T8125] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.531243][ T8125] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.538917][ T8125] device bridge_slave_0 entered promiscuous mode [ 55.547010][ T8125] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.554434][ T8125] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.562328][ T8125] device bridge_slave_1 entered promiscuous mode [ 55.640067][ T8125] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.653653][ T8125] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.702767][ T8123] device hsr_slave_0 entered promiscuous mode [ 55.740059][ T8123] device hsr_slave_1 entered promiscuous mode [ 55.801035][ T8123] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.832295][ T8125] team0: Port device team_slave_0 added [ 55.858462][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 55.868406][ T8125] team0: Port device team_slave_1 added [ 55.878689][ T8120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.912592][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 55.963038][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.970593][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.978314][ T8131] device bridge_slave_0 entered promiscuous mode [ 55.985994][ T8123] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.057235][ T8123] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.102357][ T8123] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.192459][ T8125] device hsr_slave_0 entered promiscuous mode [ 56.239876][ T8125] device hsr_slave_1 entered promiscuous mode [ 56.279592][ T8125] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.290617][ T8135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.299081][ T8135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.307964][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.315650][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.323924][ T8131] device bridge_slave_1 entered promiscuous mode [ 56.357574][ T8123] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.431808][ T8120] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.451873][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.458950][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.468503][ T8128] device bridge_slave_0 entered promiscuous mode [ 56.477738][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.487243][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 56.515961][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.523674][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.531963][ T8128] device bridge_slave_1 entered promiscuous mode [ 56.540407][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.566951][ T8131] team0: Port device team_slave_0 added [ 56.573353][ T8125] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.625887][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.636185][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.644936][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.652140][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.660943][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.669478][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.677739][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.684818][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.703612][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.720696][ T8131] team0: Port device team_slave_1 added [ 56.732344][ T8125] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.772812][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.781880][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.804677][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.816482][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.826141][ T8125] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.891583][ T8125] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.944751][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.953623][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.962539][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.973394][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.052113][ T8131] device hsr_slave_0 entered promiscuous mode [ 57.089740][ T8131] device hsr_slave_1 entered promiscuous mode [ 57.130258][ T8131] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.153283][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.161694][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.171715][ T1112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.180695][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.187985][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.196760][ T8134] device bridge_slave_0 entered promiscuous mode [ 57.204984][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.212189][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.220305][ T8134] device bridge_slave_1 entered promiscuous mode [ 57.233936][ T8120] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.251459][ T8120] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.271302][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.279998][ T49] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.290527][ T8128] team0: Port device team_slave_0 added [ 57.298587][ T8128] team0: Port device team_slave_1 added [ 57.341082][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.366687][ T8131] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.410870][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.462174][ T8128] device hsr_slave_0 entered promiscuous mode [ 57.500145][ T8128] device hsr_slave_1 entered promiscuous mode [ 57.539598][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.555264][ T8123] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.562750][ T8131] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.618918][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.626701][ T8129] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.637994][ T8120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.654932][ T8134] team0: Port device team_slave_0 added [ 57.662715][ T8134] team0: Port device team_slave_1 added [ 57.668404][ T8131] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.701986][ T8131] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.791582][ T8125] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.809302][ T8125] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.822485][ T8123] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.847232][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.856650][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.865092][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.873668][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.931865][ T8134] device hsr_slave_0 entered promiscuous mode [ 57.979858][ T8134] device hsr_slave_1 entered promiscuous mode [ 58.019518][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.027171][ T8128] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.081162][ T8128] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.126197][ T8128] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 163.159371][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 163.166371][ C0] (detected by 0, t=10502 jiffies, g=6341, q=143) [ 163.172864][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953466-4294942963), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 163.186245][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 163.194138][ C0] Call Trace: [ 163.197413][ C0] [ 163.200267][ C0] sched_show_task+0x40f/0x560 [ 163.205028][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 163.210330][ C0] update_process_times+0x12d/0x180 [ 163.215535][ C0] tick_sched_timer+0x263/0x420 [ 163.220382][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.225917][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.231115][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.236055][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.241332][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.246871][ C0] apic_timer_interrupt+0xf/0x20 [ 163.251791][ C0] [ 163.254720][ C0] RIP: 0010:free_thread_stack+0x186/0x590 [ 163.260430][ C0] Code: 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 eb 9f 69 00 48 8b 1b e9 82 ff ff [ 163.280031][ C0] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 163.288432][ C0] RAX: 1ffff110126b4271 RBX: ffff8880935a1388 RCX: ffff8880a9de8280 [ 163.296403][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002600840 [ 163.304379][ C0] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.312353][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880935a1420 [ 163.320315][ C0] R13: dffffc0000000000 R14: 1ffff110126b4284 R15: ffff888096b614a8 [ 163.328297][ C0] ? free_thread_stack+0x168/0x590 [ 163.333528][ C0] put_task_stack+0xa3/0x130 [ 163.338120][ C0] finish_task_switch+0x3f1/0x550 [ 163.343174][ C0] __schedule+0x9a8/0xcc0 [ 163.347511][ C0] schedule+0x181/0x210 [ 163.351663][ C0] schedule_timeout+0x14f/0x240 [ 163.356743][ C0] ? run_local_timers+0x120/0x120 [ 163.361770][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.366586][ C0] kthread+0x332/0x350 [ 163.370666][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.375788][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.380387][ C0] ret_from_fork+0x24/0x30 [ 163.384908][ C0] rcu: rcu_preempt kthread starved for 10524 jiffies! g6341 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 163.396036][ C0] rcu: RCU grace-period kthread stack dump: [ 163.401945][ C0] rcu_preempt R running task 29032 10 2 0x80004008 [ 163.409849][ C0] Call Trace: [ 163.413128][ C0] [ 163.415982][ C0] sched_show_task+0x40f/0x560 [ 163.420768][ C0] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 163.426953][ C0] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 163.432247][ C0] update_process_times+0x12d/0x180 [ 163.437446][ C0] tick_sched_timer+0x263/0x420 [ 163.442307][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.447986][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.453217][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.458183][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.463476][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.469040][ C0] apic_timer_interrupt+0xf/0x20 [ 163.473984][ C0] [ 163.476941][ C0] RIP: 0010:free_thread_stack+0x186/0x590 [ 163.482661][ C0] Code: 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 eb 9f 69 00 48 8b 1b e9 82 ff ff [ 163.502266][ C0] RSP: 0018:ffffc90000d0fc48 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 163.510668][ C0] RAX: 1ffff110126b4271 RBX: ffff8880935a1388 RCX: ffff8880a9de8280 [ 163.518628][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002600840 [ 163.526584][ C0] RBP: ffffc90000d0fc80 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.534543][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880935a1420 [ 163.542504][ C0] R13: dffffc0000000000 R14: 1ffff110126b4284 R15: ffff888096b614a8 [ 163.550489][ C0] ? free_thread_stack+0x168/0x590 [ 163.555592][ C0] put_task_stack+0xa3/0x130 [ 163.560171][ C0] finish_task_switch+0x3f1/0x550 [ 163.565187][ C0] __schedule+0x9a8/0xcc0 [ 163.569513][ C0] schedule+0x181/0x210 [ 163.573661][ C0] schedule_timeout+0x14f/0x240 [ 163.578502][ C0] ? run_local_timers+0x120/0x120 [ 163.583520][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.588277][ C0] kthread+0x332/0x350 [ 163.592329][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.597426][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.602003][ C0] ret_from_fork+0x24/0x30