[ 42.151730][ T25] audit: type=1800 audit(1575401365.261:27): pid=7991 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.188771][ T25] audit: type=1800 audit(1575401365.261:28): pid=7991 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. [ 42.842961][ T25] audit: type=1800 audit(1575401366.011:29): pid=7991 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.862895][ T25] audit: type=1800 audit(1575401366.011:30): pid=7991 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 '10.128.0.140' (ECDSA) to the list of known hosts. 2019/12/03 19:29:35 fuzzer started 2019/12/03 19:29:36 dialing manager at 10.128.0.26:42111 2019/12/03 19:29:37 syscalls: 2689 2019/12/03 19:29:37 code coverage: enabled 2019/12/03 19:29:37 comparison tracing: enabled 2019/12/03 19:29:37 extra coverage: extra coverage is not supported by the kernel 2019/12/03 19:29:37 setuid sandbox: enabled 2019/12/03 19:29:37 namespace sandbox: enabled 2019/12/03 19:29:37 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 19:29:37 fault injection: enabled 2019/12/03 19:29:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 19:29:37 net packet injection: enabled 2019/12/03 19:29:37 net device setup: enabled 2019/12/03 19:29:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 19:29:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 19:29:37 executing program 0: r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000040)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) close(r0) eventfd2(0x0, 0x0) r1 = fanotify_init(0x0, 0x0) mount$9p_fd(0x0, &(0x7f0000000140)='\xe9\x1fq\x89Y\x1e\x923aK\x00', &(0x7f0000000180)='9p\x00', 0x0, &(0x7f00000001c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}}) write(r0, &(0x7f0000000700)="48550b697e99930a", 0x8) 19:29:38 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0xff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$packet(0x11, 0x3, 0x300) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, 0x0) socket$nl_generic(0x10, 0x3, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000140)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xffeff034}, {0x80000006}]}, 0x10) r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c) sendmmsg(r1, &(0x7f00000092c0), 0x4ff, 0x0) syzkaller login: [ 55.014673][ T8155] IPVS: ftp: loaded support on port[0] = 21 19:29:38 executing program 2: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000440)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x13f}}, 0xffaf) write$RDMA_USER_CM_CMD_RESOLVE_IP(r0, &(0x7f0000000100)={0x3, 0x40, 0xfa00, {{0xa, 0x0, 0x0, @rand_addr="fec0ffff00"}, {0xa, 0x0, 0x0, @mcast1}, r1}}, 0x48) [ 55.173678][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 55.188559][ T8155] chnl_net:caif_netlink_parms(): no params data found [ 55.315154][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.323956][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.333001][ T8155] device bridge_slave_0 entered promiscuous mode [ 55.362867][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.370087][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.392180][ T8155] device bridge_slave_1 entered promiscuous mode [ 55.416859][ T8158] chnl_net:caif_netlink_parms(): no params data found [ 55.429685][ T8161] IPVS: ftp: loaded support on port[0] = 21 [ 55.450369][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 19:29:38 executing program 3: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x7ff}, 0x156) write(r0, &(0x7f00000002c0)="380000005e001f001458470000000000000001000000000000000000", 0x12b) [ 55.486809][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.551379][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.561040][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.582400][ T8158] device bridge_slave_0 entered promiscuous mode [ 55.602616][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.609862][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.633696][ T8158] device bridge_slave_1 entered promiscuous mode [ 55.656133][ T8155] team0: Port device team_slave_0 added [ 55.679184][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.695203][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.713532][ T8155] team0: Port device team_slave_1 added [ 55.727738][ T8163] IPVS: ftp: loaded support on port[0] = 21 19:29:39 executing program 4: r0 = socket$inet6(0xa, 0x3, 0xff) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @local, 0x3}, 0x1c) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmmsg(r0, &(0x7f00000092c0), 0x4ff, 0xbb8) [ 55.806156][ T8155] device hsr_slave_0 entered promiscuous mode [ 55.871963][ T8155] device hsr_slave_1 entered promiscuous mode [ 55.916232][ T8158] team0: Port device team_slave_0 added [ 55.978223][ T8158] team0: Port device team_slave_1 added [ 55.990447][ T8166] IPVS: ftp: loaded support on port[0] = 21 19:29:39 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000240)={0x0, @in6={{0x2, 0x0, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, 0xc3dcb13e2505dd06}, 0x98) [ 56.044898][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 56.055489][ T8155] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.126993][ T8155] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.205016][ T8155] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.254966][ T8155] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.354074][ T8158] device hsr_slave_0 entered promiscuous mode [ 56.401922][ T8158] device hsr_slave_1 entered promiscuous mode [ 56.451703][ T8158] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.467036][ T8168] IPVS: ftp: loaded support on port[0] = 21 [ 56.541014][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.548417][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.556326][ T8161] device bridge_slave_0 entered promiscuous mode [ 56.573901][ T8158] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.604620][ T8158] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.674586][ T8158] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.743426][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.750517][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.759763][ T8161] device bridge_slave_1 entered promiscuous mode [ 56.796970][ T8158] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.896318][ T8163] chnl_net:caif_netlink_parms(): no params data found [ 56.910981][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.921581][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.952955][ T8161] team0: Port device team_slave_0 added [ 56.960888][ T8161] team0: Port device team_slave_1 added [ 56.994394][ T8163] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.002362][ T8163] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.009941][ T8163] device bridge_slave_0 entered promiscuous mode [ 57.019028][ T8163] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.026198][ T8163] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.033887][ T8163] device bridge_slave_1 entered promiscuous mode [ 57.094075][ T8161] device hsr_slave_0 entered promiscuous mode [ 57.141931][ T8161] device hsr_slave_1 entered promiscuous mode [ 57.181691][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.249249][ T8163] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.273420][ T8166] chnl_net:caif_netlink_parms(): no params data found [ 57.292133][ T8168] chnl_net:caif_netlink_parms(): no params data found [ 57.301383][ T8163] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.323757][ T8155] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.386439][ T8163] team0: Port device team_slave_0 added [ 57.397909][ T8161] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.444842][ T8161] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.483514][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.490609][ T8166] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.498602][ T8166] device bridge_slave_0 entered promiscuous mode [ 57.507738][ T8163] team0: Port device team_slave_1 added [ 57.527852][ T8168] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.535459][ T8168] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.544315][ T8168] device bridge_slave_0 entered promiscuous mode [ 57.554999][ T8161] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.613579][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.620667][ T8166] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.628707][ T8166] device bridge_slave_1 entered promiscuous mode [ 57.648684][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.658010][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.666932][ T8168] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.674613][ T8168] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.683229][ T8168] device bridge_slave_1 entered promiscuous mode [ 57.691760][ T8155] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.698867][ T8161] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.783202][ T8163] device hsr_slave_0 entered promiscuous mode [ 57.852355][ T8163] device hsr_slave_1 entered promiscuous mode [ 57.894366][ T8163] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.914501][ T8166] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.928332][ T8166] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.953853][ T8168] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.980761][ T8168] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.992171][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.000877][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.010223][ T3011] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.017454][ T3011] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.026906][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.048905][ T8166] team0: Port device team_slave_0 added [ 58.057672][ T8166] team0: Port device team_slave_1 added [ 58.086175][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.094796][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.103559][ T8170] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.110638][ T8170] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.118551][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.127336][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.136477][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.145451][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.154003][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.162814][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.171630][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.188528][ T8158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.205519][ T8168] team0: Port device team_slave_0 added [ 58.218074][ T8163] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.256815][ T8163] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.296868][ T8168] team0: Port device team_slave_1 added [ 58.308427][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.319798][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.328841][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.338218][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.348728][ T8155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.360159][ T8163] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.394288][ T8163] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.493968][ T8166] device hsr_slave_0 entered promiscuous mode [ 58.532123][ T8166] device hsr_slave_1 entered promiscuous mode [ 58.572143][ T8166] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.602970][ T8158] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.610691][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.618621][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.664418][ T8168] device hsr_slave_0 entered promiscuous mode [ 58.702204][ T8168] device hsr_slave_1 entered promiscuous mode [ 58.761770][ T8168] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.771371][ T8155] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.779518][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.789933][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.809634][ T8161] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.836636][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.845492][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.859746][ T3786] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.867172][ T3786] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.875366][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.884153][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.892641][ T3786] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.899678][ T3786] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.907347][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.916234][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.940679][ T8161] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.958290][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.973174][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.993198][ T3786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.017270][ T8166] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 164.041475][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.048347][ C0] rcu: 0-...!: (10500 ticks this GP) idle=1c2/1/0x4000000000000002 softirq=10840/10840 fqs=1 [ 164.058808][ C0] (t=10500 jiffies g=5997 q=34) [ 164.063736][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g5997 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.074818][ C0] rcu: RCU grace-period kthread stack dump: [ 164.081226][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 164.089125][ C0] Call Trace: [ 164.092414][ C0] __schedule+0x9a0/0xcc0 [ 164.097954][ C0] schedule+0x181/0x210 [ 164.102098][ C0] schedule_timeout+0x14f/0x240 [ 164.106933][ C0] ? run_local_timers+0x120/0x120 [ 164.111948][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.117665][ C0] kthread+0x332/0x350 [ 164.121718][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.126907][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.131486][ C0] ret_from_fork+0x24/0x30 [ 164.135909][ C0] NMI backtrace for cpu 0 [ 164.140328][ C0] CPU: 0 PID: 77 Comm: kworker/u4:2 Not tainted 5.4.0-syzkaller #0 [ 164.148420][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.158509][ C0] Workqueue: 0x0 (bat_events) [ 164.163264][ C0] Call Trace: [ 164.166562][ C0] [ 164.169406][ C0] dump_stack+0x1fb/0x318 [ 164.173872][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.178816][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.184975][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.191725][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.197695][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.203597][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.208700][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.213888][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.218917][ C0] update_process_times+0x12d/0x180 [ 164.224105][ C0] tick_sched_timer+0x263/0x420 [ 164.228946][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.234478][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.239677][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.244651][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.249950][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.255494][ C0] apic_timer_interrupt+0xf/0x20 [ 164.260436][ C0] [ 164.263388][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 164.269541][ C0] Code: 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 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 164.289398][ C0] RSP: 0018:ffffc90001097c28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.297796][ C0] RAX: ffffffff81486ea4 RBX: ffffea000251c8c0 RCX: ffff8880a9b82640 [ 164.305769][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000251c8c0 [ 164.313734][ C0] RBP: ffffc90001097c68 R08: 000000000003a768 R09: ffffed1014d1c6c7 [ 164.321698][ C0] R10: ffffed1014d1c6c7 R11: 0000000000000000 R12: ffff888095c976a0 [ 164.329676][ C0] R13: dffffc0000000000 R14: 1ffff11012b92ed4 R15: ffff8880a68e3628 [ 164.337655][ C0] ? free_thread_stack+0x124/0x590 [ 164.342761][ C0] ? free_thread_stack+0x124/0x590 [ 164.347956][ C0] put_task_stack+0xa3/0x130 [ 164.352540][ C0] finish_task_switch+0x3f1/0x550 [ 164.357570][ C0] __schedule+0x9a8/0xcc0 [ 164.361895][ C0] schedule+0x181/0x210 [ 164.366041][ C0] worker_thread+0x10d6/0x1630 [ 164.370812][ C0] kthread+0x332/0x350 [ 164.374881][ C0] ? rcu_lock_release+0x30/0x30 [ 164.379749][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.384331][ C0] ret_from_fork+0x24/0x30