[ 42.566961][ T23] audit: type=1800 audit(1575331060.761:26): pid=8022 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.600069][ T23] audit: type=1800 audit(1575331060.761:27): pid=8022 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.648215][ T23] audit: type=1800 audit(1575331060.791:28): pid=8022 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. [ 43.180342][ T23] audit: type=1800 audit(1575331061.391:29): pid=8022 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 '10.128.1.32' (ECDSA) to the list of known hosts. 2019/12/02 23:57:52 fuzzer started 2019/12/02 23:57:54 dialing manager at 10.128.0.26:38907 2019/12/02 23:57:54 syscalls: 2697 2019/12/02 23:57:54 code coverage: enabled 2019/12/02 23:57:54 comparison tracing: enabled 2019/12/02 23:57:54 extra coverage: extra coverage is not supported by the kernel 2019/12/02 23:57:54 setuid sandbox: enabled 2019/12/02 23:57:54 namespace sandbox: enabled 2019/12/02 23:57:54 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 23:57:54 fault injection: enabled 2019/12/02 23:57:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 23:57:54 net packet injection: enabled 2019/12/02 23:57:54 net device setup: enabled 2019/12/02 23:57:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 23:57:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:57:55 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r3, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r3) socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00*\x00'], 0x1}}, 0x0) splice(r2, 0x0, r3, 0x0, 0x100000000, 0x0) 23:57:55 executing program 1: mmap(&(0x7f00008e0000/0x1000)=nil, 0x1000, 0x0, 0x31, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8003, &(0x7f0000000000)=0x3, 0x8, 0x0) mremap(&(0x7f0000196000/0x3000)=nil, 0x3000, 0x3000, 0x3, &(0x7f000090f000/0x3000)=nil) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x0, 0x0, 0x0, 0x0) syzkaller login: [ 57.093165][ T8188] IPVS: ftp: loaded support on port[0] = 21 [ 57.248415][ T8188] chnl_net:caif_netlink_parms(): no params data found [ 57.290982][ T8188] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.298914][ T8188] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.308544][ T8188] device bridge_slave_0 entered promiscuous mode [ 57.318762][ T8188] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.327099][ T8188] bridge0: port 2(bridge_slave_1) entered disabled state 23:57:55 executing program 2: r0 = socket$inet6(0xa, 0x100000003, 0x33) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000000)=ANY=[@ANYRES32=0x0, @ANYBLOB="d50f64c984f3"], 0x0) sendto$inet6(r0, &(0x7f0000000000), 0xffa7, 0x0, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback={0x0, 0xac141403}}, 0x1c) [ 57.335427][ T8188] device bridge_slave_1 entered promiscuous mode [ 57.357673][ T8188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.361121][ T8191] IPVS: ftp: loaded support on port[0] = 21 [ 57.373101][ T8188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.403945][ T8188] team0: Port device team_slave_0 added [ 57.412748][ T8188] team0: Port device team_slave_1 added 23:57:55 executing program 3: unshare(0xa000600) r0 = socket$kcm(0x2, 0x1000000000000002, 0x0) bind(r0, &(0x7f0000000000)=@rxrpc=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x0, @broadcast}}, 0x80) [ 57.512650][ T8188] device hsr_slave_0 entered promiscuous mode [ 57.550317][ T8188] device hsr_slave_1 entered promiscuous mode [ 57.750503][ T8194] IPVS: ftp: loaded support on port[0] = 21 [ 57.753099][ T8196] IPVS: ftp: loaded support on port[0] = 21 23:57:56 executing program 4: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x247, 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 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000500)=ANY=[@ANYBLOB="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"/585], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x24f}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000140)={r0, 0x1800000000000060, 0xe, 0x0, &(0x7f0000000100)="0000003f0000007e5bc5795e6558", 0x0, 0x100, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x40) [ 57.842193][ T8188] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.919652][ T8188] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.958798][ T8188] netdevsim netdevsim0 netdevsim2: renamed from eth2 23:57:56 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") unshare(0x400) r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) getsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, 0x0, &(0x7f0000000800)) [ 58.051653][ T8188] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.124678][ T8198] IPVS: ftp: loaded support on port[0] = 21 [ 58.142903][ T8200] IPVS: ftp: loaded support on port[0] = 21 [ 58.173685][ T8191] chnl_net:caif_netlink_parms(): no params data found [ 58.210613][ T8191] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.217769][ T8191] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.226327][ T8191] device bridge_slave_0 entered promiscuous mode [ 58.237211][ T8191] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.244427][ T8191] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.252303][ T8191] device bridge_slave_1 entered promiscuous mode [ 58.291868][ T8188] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.299010][ T8188] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.306831][ T8188] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.314140][ T8188] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.337095][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.345541][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.365112][ T8194] chnl_net:caif_netlink_parms(): no params data found [ 58.402940][ T8194] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.410719][ T8194] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.418485][ T8194] device bridge_slave_0 entered promiscuous mode [ 58.428997][ T8194] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.436139][ T8194] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.444088][ T8194] device bridge_slave_1 entered promiscuous mode [ 58.470492][ T8191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.483441][ T8191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.515040][ T8194] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.546594][ T8196] chnl_net:caif_netlink_parms(): no params data found [ 58.556745][ T8191] team0: Port device team_slave_0 added [ 58.565023][ T8194] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.594651][ T8191] team0: Port device team_slave_1 added [ 58.645424][ T8194] team0: Port device team_slave_0 added [ 58.654151][ T8194] team0: Port device team_slave_1 added [ 58.731755][ T8191] device hsr_slave_0 entered promiscuous mode [ 58.789377][ T8191] device hsr_slave_1 entered promiscuous mode [ 58.849223][ T8191] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.862152][ T8198] chnl_net:caif_netlink_parms(): no params data found [ 58.960889][ T8194] device hsr_slave_0 entered promiscuous mode [ 58.999626][ T8194] device hsr_slave_1 entered promiscuous mode [ 59.039261][ T8194] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.062596][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.071291][ T8196] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.079961][ T8196] device bridge_slave_0 entered promiscuous mode [ 59.088904][ T8188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.105115][ T8198] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.112407][ T8198] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.120317][ T8198] device bridge_slave_0 entered promiscuous mode [ 59.127942][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.135587][ T8196] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.143302][ T8196] device bridge_slave_1 entered promiscuous mode [ 59.172434][ T8198] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.180207][ T8198] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.187892][ T8198] device bridge_slave_1 entered promiscuous mode [ 59.206380][ T8188] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.238826][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.247496][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.263742][ T8198] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.274603][ T8196] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.292083][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.300702][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.309263][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.316345][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.334902][ T8198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.360518][ T8196] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.382827][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.391572][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.400724][ T1027] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.407790][ T1027] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.415724][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.424254][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.432852][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.441647][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.454803][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.462587][ T8191] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.531273][ T8200] chnl_net:caif_netlink_parms(): no params data found [ 59.552795][ T8194] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.622836][ T8196] team0: Port device team_slave_0 added [ 59.628779][ T8194] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.674808][ T8191] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.726119][ T8191] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.761730][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.771139][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.780964][ T8196] team0: Port device team_slave_1 added [ 59.787509][ T8194] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.832929][ T8198] team0: Port device team_slave_0 added [ 59.838846][ T8194] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.886363][ T8191] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.932411][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.940905][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.965430][ T8198] team0: Port device team_slave_1 added [ 59.979911][ T8200] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.987016][ T8200] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.994828][ T8200] device bridge_slave_0 entered promiscuous mode [ 60.003007][ T8200] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.010152][ T8200] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.017791][ T8200] device bridge_slave_1 entered promiscuous mode [ 60.026491][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.035149][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.045874][ T8188] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.110803][ T8196] device hsr_slave_0 entered promiscuous mode [ 60.160163][ T8196] device hsr_slave_1 entered promiscuous mode [ 60.209309][ T8196] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.282535][ T8198] device hsr_slave_0 entered promiscuous mode [ 60.309910][ T8198] device hsr_slave_1 entered promiscuous mode [ 60.360065][ T8198] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.393052][ T8200] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.407614][ T8200] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.440034][ T8198] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.483979][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.493514][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.518296][ T8200] team0: Port device team_slave_0 added [ 60.527529][ T8198] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.562086][ T8198] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.623263][ T8198] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.681821][ T8196] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.721389][ T8200] team0: Port device team_slave_1 added [ 60.727130][ T8196] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.772443][ T8188] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.783894][ T8194] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.793335][ T8196] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.843841][ T8196] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.917750][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.925732][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.992040][ T8200] device hsr_slave_0 entered promiscuous mode [ 61.032119][ T8200] device hsr_slave_1 entered promiscuous mode [ 61.069194][ T8200] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.091412][ T8194] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.161584][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.170740][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.190197][ T8192] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.197299][ T8192] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.205519][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.214229][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.222798][ T8192] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.230004][ T8192] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.237752][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.247435][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.295971][ T8200] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 166.259026][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.265773][ C0] rcu: 0-....: (10499 ticks this GP) idle=c12/1/0x4000000000000002 softirq=10817/10817 fqs=2787 [ 166.276483][ C0] (t=10500 jiffies g=5949 q=167) [ 166.281513][ C0] rcu: rcu_preempt kthread starved for 4915 jiffies! g5949 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.292508][ C0] rcu: RCU grace-period kthread stack dump: [ 166.298383][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.306270][ C0] Call Trace: [ 166.309553][ C0] __schedule+0x9a0/0xcc0 [ 166.313883][ C0] schedule+0x181/0x210 [ 166.318032][ C0] schedule_timeout+0x14f/0x240 [ 166.322870][ C0] ? run_local_timers+0x120/0x120 [ 166.327892][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.332652][ C0] kthread+0x332/0x350 [ 166.336708][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.341828][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.346408][ C0] ret_from_fork+0x24/0x30 [ 166.350828][ C0] NMI backtrace for cpu 0 [ 166.355152][ C0] CPU: 0 PID: 8211 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 166.363371][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.373671][ C0] Call Trace: [ 166.376945][ C0] [ 166.379796][ C0] dump_stack+0x1fb/0x318 [ 166.384118][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.388957][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.395105][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.401162][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.407133][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.413014][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.418120][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.423308][ C0] ? trace_hardirqs_off+0x74/0x80 [ 166.428328][ C0] update_process_times+0x12d/0x180 [ 166.433532][ C0] tick_sched_timer+0x263/0x420 [ 166.438381][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.443925][ C0] __hrtimer_run_queues+0x403/0x840 [ 166.449130][ C0] hrtimer_interrupt+0x38c/0xda0 [ 166.454076][ C0] ? debug_smp_processor_id+0x9/0x20 [ 166.459357][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 166.464893][ C0] apic_timer_interrupt+0xf/0x20 [ 166.469819][ C0] [ 166.472749][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 166.478459][ C0] Code: 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 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 eb a3 69 00 48 8b 1b e9 82 ff ff ff e8 de 2c 2e [ 166.498171][ C0] RSP: 0018:ffffc90002347958 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.506596][ C0] RAX: 1ffff1101386aa11 RBX: ffff88809c355088 RCX: ffff888098fa6440 [ 166.514558][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002616280 [ 166.522525][ C0] RBP: ffffc90002347990 R08: 000000000003a768 R09: ffffed1015095eaf [ 166.530507][ C0] R10: ffffed1015095eaf R11: 0000000000000000 R12: ffff88809c355120 [ 166.538478][ C0] R13: dffffc0000000000 R14: 1ffff1101386aa24 R15: ffff8880a84af568 [ 166.546480][ C0] ? free_thread_stack+0x168/0x590 [ 166.551583][ C0] put_task_stack+0xa3/0x130 [ 166.556183][ C0] finish_task_switch+0x3f1/0x550 [ 166.561201][ C0] __schedule+0x9a8/0xcc0 [ 166.565533][ C0] preempt_schedule_irq+0xc1/0x140 [ 166.570634][ C0] retint_kernel+0x1b/0x2b [ 166.575040][ C0] RIP: 0010:kmem_cache_alloc+0x1a8/0x2e0 [ 166.580681][ C0] Code: 8b 7d d0 57 9d 0f 1f 44 00 00 e8 83 b1 ca ff eb 1e e8 1c af ca ff 48 83 3d 7c 10 59 07 00 0f 84 33 01 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 41 0f 18 0e e9 21 00 00 00 89 d8 c1 e8 08 83 e0 01 [ 166.600279][ C0] RSP: 0000:ffffc90002347ba0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 166.608681][ C0] RAX: ffff888098fa6cd4 RBX: 0000000000000cc0 RCX: ffffffff815c0597 [ 166.616644][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 166.624691][ C0] RBP: ffffc90002347bd8 R08: ffff888098fa6c98 R09: fffffbfff13c852d [ 166.632653][ C0] R10: fffffbfff13c852d R11: 0000000000000000 R12: ffff88821bc46700 [ 166.640616][ C0] R13: ffff8880984b0380 R14: ffff88809281bd90 R15: 0000000000000cc0 [ 166.648697][ C0] ? mark_lock+0x107/0x1650 [ 166.653197][ C0] ? __anon_vma_prepare+0x68/0x4c0 [ 166.658310][ C0] __anon_vma_prepare+0x68/0x4c0 [ 166.663242][ C0] do_anonymous_page+0x1227/0x1610 [ 166.668354][ C0] handle_mm_fault+0x1bce/0x2890 [ 166.673305][ C0] do_user_addr_fault+0x589/0xaf0 [ 166.678328][ C0] __do_page_fault+0xd3/0x1f0 [ 166.682994][ C0] do_page_fault+0x99/0xb0 [ 166.687414][ C0] page_fault+0x39/0x40 [ 166.691555][ C0] RIP: 0033:0x411e6f [ 166.695442][ C0] Code: 0f 84 c8 02 00 00 48 83 bd 78 ff ff ff 00 0f 84 f9 04 00 00 48 8b 95 68 ff ff ff 44 89 95 38 ff ff ff 4c 8d ac 10 00 f7 ff ff <49> 89 85 90 06 00 00 49 8d 85 10 03 00 00 49 89 95 98 06 00 00 41 [ 166.715039][ C0] RSP: 002b:00007ffee0518280 EFLAGS: 00010206 [ 166.721095][ C0] RAX: 00007f862c0ea000 RBX: 0000000000020000 RCX: 000000000045a6ca [ 166.729056][ C0] RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000 [ 166.737015][ C0] RBP: 00007ffee0518360 R08: ffffffffffffffff R09: 0000000000000000 [ 166.744980][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffee0518450 [ 166.752939][ C0] R13: 00007f862c10a700 R14: 0000000000000000 R15: 000000000075bf2c