[ 41.680982][ T27] audit: type=1800 audit(1575380973.085:26): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.730605][ T27] audit: type=1800 audit(1575380973.085:27): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.785652][ T27] audit: type=1800 audit(1575380973.115:28): pid=7955 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. [ 42.512255][ T27] audit: type=1800 audit(1575380973.935:29): pid=7955 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 '10.128.15.202' (ECDSA) to the list of known hosts. 2019/12/03 13:49:43 fuzzer started 2019/12/03 13:49:45 dialing manager at 10.128.0.26:45711 2019/12/03 13:49:45 syscalls: 2689 2019/12/03 13:49:45 code coverage: enabled 2019/12/03 13:49:45 comparison tracing: enabled 2019/12/03 13:49:45 extra coverage: extra coverage is not supported by the kernel 2019/12/03 13:49:45 setuid sandbox: enabled 2019/12/03 13:49:45 namespace sandbox: enabled 2019/12/03 13:49:45 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 13:49:45 fault injection: enabled 2019/12/03 13:49:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 13:49:45 net packet injection: enabled 2019/12/03 13:49:45 net device setup: enabled 2019/12/03 13:49:45 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 13:49:45 devlink PCI setup: PCI device 0000:00:10.0 is not available 13:49:46 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x2, 0x4, &(0x7f0000000fc0)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x73}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 13:49:46 executing program 1: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(0x0, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000140)='sysfs\x00*\x86OK\xc0\v\xce\x1b\xdb\x04,r&\xeb\x016\xd9bN\xa1\xd23t\xa6`\xfeZ\xc1sr/\xd3g\xad\"\xe8U0\x05\xa2\xe8\xbe\v\xc5QCy\xafr\x13\xd3+\x8d]\x06\xdc\x8f\xbf,\x84\x9e\xd9\xcd\xef\xc7K\x03\xdf\xa9\xcbZ\x90\xb2\vK$\xd7\x86,5f\xfc\xa51g\xd5BB5CZ=\xbbv\xbc}0x0}, &(0x7f0000000280)=0x5) setuid(r1) chmod(&(0x7f0000000280)='./file0\x00', 0x0) syzkaller login: [ 55.340241][ T8119] IPVS: ftp: loaded support on port[0] = 21 13:49:46 executing program 2: syz_open_dev$sndctrl(&(0x7f00000000c0)='/dev/snd/controlC#\x00', 0x2, 0x0) syz_open_dev$dmmidi(&(0x7f0000000040)='/dev/dmmidi#\x00', 0x20, 0x0) [ 55.497983][ T8121] IPVS: ftp: loaded support on port[0] = 21 [ 55.545236][ T8119] chnl_net:caif_netlink_parms(): no params data found [ 55.634731][ T8124] IPVS: ftp: loaded support on port[0] = 21 [ 55.685451][ T8119] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.693660][ T8119] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.701796][ T8119] device bridge_slave_0 entered promiscuous mode 13:49:47 executing program 3: mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000140)='fdinfo\x00') getdents(r0, &(0x7f0000000080)=""/47, 0x16ad) [ 55.754114][ T8119] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.761235][ T8119] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.770997][ T8119] device bridge_slave_1 entered promiscuous mode [ 55.816440][ T8119] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.830989][ T8119] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.850394][ T8121] chnl_net:caif_netlink_parms(): no params data found [ 55.960228][ T8119] team0: Port device team_slave_0 added [ 55.974290][ T8119] team0: Port device team_slave_1 added [ 56.005278][ T8127] IPVS: ftp: loaded support on port[0] = 21 [ 56.025083][ T8124] chnl_net:caif_netlink_parms(): no params data found [ 56.033922][ T8121] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.041012][ T8121] bridge0: port 1(bridge_slave_0) entered disabled state 13:49:47 executing program 4: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setfsuid(r1) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f0000000040)={[{@upperdir={'upperdir', 0x3d, './bus'}}, {@workdir={'workdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}, 0x5c}]}) [ 56.050978][ T8121] device bridge_slave_0 entered promiscuous mode [ 56.060415][ T8121] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.069431][ T8121] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.077397][ T8121] device bridge_slave_1 entered promiscuous mode [ 56.135184][ T8119] device hsr_slave_0 entered promiscuous mode [ 56.182803][ T8119] device hsr_slave_1 entered promiscuous mode [ 56.285454][ T8121] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.319532][ T8121] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.345526][ T8130] IPVS: ftp: loaded support on port[0] = 21 13:49:47 executing program 5: r0 = eventfd(0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x40000000000001e, 0x1, 0x0) sendmsg(r3, &(0x7f0000db5fc8)={&(0x7f00004aeb5c)=@generic={0x10000001001e, "030000000000000000000001e526cc573c5bf86c483724c71e14dd6a739effea1b48007be61ffe06d79f00000000000000076c3f010039d8f986ff01000000000000af06d5fe32c419d67bcbc7e3ad316a198356edb9b7341c1fd45624281e27800ece70b076c3979ac40000bd767e2e78a1dfd300881a1565b3b16d7436"}, 0x80, 0x0}, 0x0) recvmmsg(r3, 0x0, 0x0, 0x0, 0x0) recvmmsg(r3, &(0x7f0000000940)=[{{&(0x7f00000000c0)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x0, 0x0, @ipv4={[], [], @empty}}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000d80)=""/4096, 0x1000}], 0x1, &(0x7f0000000480)=""/59, 0x3b}}], 0x4000000000000ec, 0x0, 0x0) [ 56.391542][ T8124] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.412016][ T8124] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.420283][ T8124] device bridge_slave_0 entered promiscuous mode [ 56.440151][ T8121] team0: Port device team_slave_0 added [ 56.464538][ T8121] team0: Port device team_slave_1 added [ 56.470390][ T8119] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.527042][ T8119] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.565022][ T8124] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.572108][ T8124] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.580209][ T8124] device bridge_slave_1 entered promiscuous mode [ 56.655600][ T8121] device hsr_slave_0 entered promiscuous mode [ 56.713730][ T8121] device hsr_slave_1 entered promiscuous mode [ 56.772633][ T8121] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.794066][ T8119] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.834824][ T8119] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.891750][ T8132] IPVS: ftp: loaded support on port[0] = 21 [ 56.939482][ T8124] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.956748][ T8121] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.037434][ T8124] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.051227][ T8121] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.097554][ T8121] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.161114][ T8121] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.227207][ T8124] team0: Port device team_slave_0 added [ 57.237350][ T8124] team0: Port device team_slave_1 added [ 57.256290][ T8127] chnl_net:caif_netlink_parms(): no params data found [ 57.296296][ T8130] chnl_net:caif_netlink_parms(): no params data found [ 57.354279][ T8124] device hsr_slave_0 entered promiscuous mode [ 57.402961][ T8124] device hsr_slave_1 entered promiscuous mode [ 57.452567][ T8124] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.500449][ T8127] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.508233][ T8127] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.516811][ T8127] device bridge_slave_0 entered promiscuous mode [ 57.545879][ T8130] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.553143][ T8130] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.560793][ T8130] device bridge_slave_0 entered promiscuous mode [ 57.568630][ T8127] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.576141][ T8127] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.585310][ T8127] device bridge_slave_1 entered promiscuous mode [ 57.607396][ T8130] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.614812][ T8130] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.622552][ T8130] device bridge_slave_1 entered promiscuous mode [ 57.647005][ T8127] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.658402][ T8127] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.709291][ T8130] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.721284][ T8119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.746446][ T8130] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.771159][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.779702][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.791245][ T8119] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.798486][ T8124] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.854865][ T8124] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.896117][ T8127] team0: Port device team_slave_0 added [ 57.901926][ T8124] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.948441][ T8124] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.995413][ T8132] chnl_net:caif_netlink_parms(): no params data found [ 58.015938][ T8127] team0: Port device team_slave_1 added [ 58.028599][ T8130] team0: Port device team_slave_0 added [ 58.039228][ T8130] team0: Port device team_slave_1 added [ 58.053024][ T8121] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.060276][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.069276][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.078157][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.085340][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.103122][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.110967][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.120667][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.129156][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.136267][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.145427][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.154316][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.162843][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.171288][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.179698][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.188139][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.211931][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.236295][ T8132] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.244527][ T8132] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.252238][ T8132] device bridge_slave_0 entered promiscuous mode [ 58.260745][ T8132] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.268000][ T8132] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.276237][ T8132] device bridge_slave_1 entered promiscuous mode [ 58.344328][ T8130] device hsr_slave_0 entered promiscuous mode [ 58.382985][ T8130] device hsr_slave_1 entered promiscuous mode [ 58.435694][ T8130] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.458032][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.466847][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.476905][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.484723][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.495989][ T8119] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.507623][ T8119] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.521952][ T8132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.534740][ T8121] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.546354][ T3954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.555372][ T3954] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.636978][ T8127] device hsr_slave_0 entered promiscuous mode [ 58.692890][ T8127] device hsr_slave_1 entered promiscuous mode [ 58.722685][ T8127] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.731335][ T8132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.770783][ T8119] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.785563][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.800167][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.808763][ T2613] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.815865][ T2613] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.824678][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.833615][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.841894][ T2613] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.848985][ T2613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.856800][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.865769][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.874392][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.882945][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.891145][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.899843][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.908427][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.916806][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.925074][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.933422][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.941576][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.949389][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.957154][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.965587][ T2613] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.984760][ T8130] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.061837][ T8132] team0: Port device team_slave_0 added [ 59.069940][ T8130] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.125125][ T8121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.143441][ T8132] team0: Port device team_slave_1 added [ 59.149348][ T8127] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.197209][ T8130] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.247088][ T8130] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.294615][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.314105][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.334876][ T8127] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 164.332438][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.339334][ C0] rcu: 0-...!: (10499 ticks this GP) idle=7ea/1/0x4000000000000002 softirq=11856/11856 fqs=142 [ 164.350308][ C0] (t=10500 jiffies g=6089 q=80) [ 164.355267][ C0] rcu: rcu_preempt kthread starved for 10204 jiffies! g6089 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.366374][ C0] rcu: RCU grace-period kthread stack dump: [ 164.372274][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.380176][ C0] Call Trace: [ 164.383469][ C0] __schedule+0x9a0/0xcc0 [ 164.387798][ C0] schedule+0x181/0x210 [ 164.391981][ C0] schedule_timeout+0x14f/0x240 [ 164.396926][ C0] ? run_local_timers+0x120/0x120 [ 164.401962][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.406772][ C0] kthread+0x332/0x350 [ 164.410842][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.415956][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.420548][ C0] ret_from_fork+0x24/0x30 [ 164.424985][ C0] NMI backtrace for cpu 0 [ 164.429314][ C0] CPU: 0 PID: 8140 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 164.437575][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.447637][ C0] Call Trace: [ 164.450936][ C0] [ 164.453806][ C0] dump_stack+0x1fb/0x318 [ 164.458136][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.462988][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.469161][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.475226][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.481238][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.487147][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.492267][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.497592][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.502620][ C0] update_process_times+0x12d/0x180 [ 164.507943][ C0] tick_sched_timer+0x263/0x420 [ 164.512798][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.518339][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.523541][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.528506][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.533793][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.539335][ C0] apic_timer_interrupt+0xf/0x20 [ 164.544265][ C0] [ 164.547207][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 164.553268][ C0] Code: e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 25 cd 07 48 89 de e8 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 [ 164.572857][ C0] RSP: 0018:ffffc90002496db0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.581266][ C0] RAX: ffffffff81487326 RBX: ffffea00029e0400 RCX: ffff88808d71a040 [ 164.589223][ C0] RDX: ffffc90001f39000 RSI: 00000000fffffffc RDI: ffffea00029e0400 [ 164.597180][ C0] RBP: ffffc90002496dd8 R08: 000000000003a768 R09: ffffed10127c4ecf [ 164.605137][ C0] R10: ffffed10127c4ecf R11: 0000000000000000 R12: ffff8880950bc5a0 [ 164.613094][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888093e27668 [ 164.621064][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.626351][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.631625][ C0] free_thread_stack+0x168/0x590 [ 164.636554][ C0] put_task_stack+0xa3/0x130 [ 164.641130][ C0] finish_task_switch+0x3f1/0x550 [ 164.646147][ C0] __schedule+0x9a8/0xcc0 [ 164.650471][ C0] ? ___preempt_schedule+0x16/0x18 [ 164.655567][ C0] preempt_schedule+0xdb/0x120 [ 164.660316][ C0] ___preempt_schedule+0x16/0x18 [ 164.665240][ C0] ? page_poisoning_enabled+0x1c/0x30 [ 164.670597][ C0] prep_new_page+0x161/0x2e0 [ 164.675201][ C0] get_page_from_freelist+0x850/0xaa0 [ 164.680570][ C0] __alloc_pages_nodemask+0x264/0x5d0 [ 164.685937][ C0] alloc_pages_vma+0x94a/0xd50 [ 164.690693][ C0] do_huge_pmd_anonymous_page+0x883/0xe50 [ 164.696405][ C0] handle_mm_fault+0x2017/0x2890 [ 164.701351][ C0] do_user_addr_fault+0x589/0xaf0 [ 164.706370][ C0] __do_page_fault+0xd3/0x1f0 [ 164.711035][ C0] do_page_fault+0x99/0xb0 [ 164.715439][ C0] page_fault+0x39/0x40 [ 164.719580][ C0] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 [ 164.725910][ C0] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a [ 164.745499][ C0] RSP: 0018:ffffc90002497560 EFLAGS: 00010206 [ 164.751547][ C0] RAX: ffffffff838f9c01 RBX: 000000002062b019 RCX: 0000000000000003 [ 164.759516][ C0] RDX: 0000000000000001 RSI: ffff8880a350c264 RDI: 000000002062b000 [ 164.767473][ C0] RBP: ffffc90002497590 R08: 3d65707974203152 R09: ffffed10146a1850 [ 164.775431][ C0] R10: ffffed10146a1850 R11: 0000000000000000 R12: 0000000000000019 [ 164.783389][ C0] R13: 00007ffffffff000 R14: ffff8880a350c264 R15: 000000002062b000 [ 164.791361][ C0] ? _copy_to_user+0x11/0x150 [ 164.796028][ C0] ? _copy_to_user+0x104/0x150 [ 164.800796][ C0] bpf_verifier_vlog+0x18b/0x2f0 [ 164.805731][ C0] verbose+0x173/0x200 [ 164.809791][ C0] ? do_check+0x9ab7/0x1c4d0 [ 164.814402][ C0] do_check+0x1bbe2/0x1c4d0 [ 164.818943][ C0] ? kasan_slab_free+0xe/0x10 [ 164.823608][ C0] ? kvfree+0x47/0x50 [ 164.827608][ C0] ? bpf_check+0xd97c/0xfc40 [ 164.832191][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.838282][ C0] ? kvfree+0x47/0x50 [ 164.842254][ C0] ? trace_hardirqs_on+0x74/0x80 [ 164.847185][ C0] bpf_check+0xd9a8/0xfc40 [ 164.851635][ C0] ? ktime_get_with_offset+0x98/0x180 [ 164.856996][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 164.862280][ C0] ? memset+0x31/0x40 [ 164.866268][ C0] __do_sys_bpf+0x99d6/0xc890 [ 164.870961][ C0] ? kcov_ioctl+0x285/0x2c0 [ 164.875458][ C0] ? __might_fault+0xf9/0x160 [ 164.880134][ C0] ? check_preemption_disabled+0xb4/0x260 [ 164.886283][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.891580][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 164.896964][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 164.903022][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 164.908730][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 164.914435][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.919881][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 164.925598][ C0] ? do_syscall_64+0x1d/0x1c0 [ 164.930267][ C0] __x64_sys_bpf+0x7a/0x90 [ 164.934697][ C0] do_syscall_64+0xf7/0x1c0 [ 164.939203][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.945088][ C0] RIP: 0033:0x45a679 [ 164.948973][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 164.969148][ C0] RSP: 002b:00007f755dcf7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 164.977598][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 164.985574][ C0] RDX: 0000000000000070 RSI: 0000000020000180 RDI: 0000000000000005 [ 164.993538][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.001495][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f755dcf86d4 [ 165.009456][ C0] R13: 00000000004c0d07 R14: 00000000004d4808 R15: 00000000ffffffff