[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.771984][ T25] audit: type=1800 audit(1575336231.030:25): pid=8235 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.797379][ T25] audit: type=1800 audit(1575336231.030:26): pid=8235 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.840426][ T25] audit: type=1800 audit(1575336231.030:27): pid=8235 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. 2019/12/03 01:24:01 fuzzer started 2019/12/03 01:24:03 dialing manager at 10.128.0.26:38907 2019/12/03 01:24:03 syscalls: 2697 2019/12/03 01:24:03 code coverage: enabled 2019/12/03 01:24:03 comparison tracing: enabled 2019/12/03 01:24:03 extra coverage: extra coverage is not supported by the kernel 2019/12/03 01:24:03 setuid sandbox: enabled 2019/12/03 01:24:03 namespace sandbox: enabled 2019/12/03 01:24:03 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 01:24:03 fault injection: enabled 2019/12/03 01:24:03 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 01:24:03 net packet injection: enabled 2019/12/03 01:24:03 net device setup: enabled 2019/12/03 01:24:03 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 01:24:03 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:24:04 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmsg$nl_route_sched(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000002900)=ANY=[@ANYBLOB="d00800002400ffffff7f00000000ffffa6fffff7", @ANYRES32=r2, @ANYBLOB="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"], 0x8d0}}, 0x0) 01:24:04 executing program 1: r0 = syz_open_dev$video(&(0x7f0000000000)='/dev/video#\x00', 0x9, 0x0) ioctl$VIDIOC_S_PARM(r0, 0xc0cc5616, &(0x7f0000000240)={0xc}) syzkaller login: [ 61.531359][ T8400] IPVS: ftp: loaded support on port[0] = 21 01:24:05 executing program 2: socket$packet(0x11, 0x2, 0x300) openat$random(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/random\x00', 0x0, 0x0) socket(0x840000000002, 0x3, 0xff) epoll_create1(0x0) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000280)='/\x00~WM\x00\x030\x80\x90\"\xcf\xde&U]\xc9\xec\xfe\x19t@n\xda\xd3\x83dx-c\xb6a(T\xb9\xe4\x9d\xbd\xca\xefq\x81\x97\xe3~\x87\n0\x8b\x1e:y\x8f\xa7\x88\xa4m0%\xef\x93>Q\x82\x8a\xb6u\x06N*\xdb\xe9\x12d#\xb4\xa7=h\xfb\xe9\x9cm\xb2\xf1`\xd4\x9c\xb6\xcc\xe7l\'(\x9aO\x9d\tsT\xaa\xa5\x86\r#\x83\xdf\x87Rk\xaa\x18M\x90\xbbw)6l\x17\xbc3\xd7e\xe9\xbc/\x88*\x13\xf3\xa9\xc1\xf6\x06`\xbdO\xd2\xfa1\xd2\xc0\xa7u$\"\x89\xbc\xe0b\xd1\r$\xde\xd5@i\x18\xa6k,u\xc4?\xe1\xffE\x8a\xe5\xcd\x9f\xecc\x03\x9b\xa5\xa7\xb6j`\xed\xe5\xcc\xda\xbc~\xe7v`\xef#X\xcc\xdf\xf0\"&\x02\x13\x84\xb0\xc25\xf1\x14\xed\x9a\xde\x92vz\xec\xc2V\xac\xde\xb6\x10\xdfB\xe7\x16\x9f$\x03W\xf75\xae_\xe2\x90\x17\xe5\x1e\'%/H\xb9[\xfb\xbb:\x86U5)\x8b\xdc6\xd7\x1d\xb65\xf4\x1cWw\x1d\xb7z\xea\xff\x88?\xeb=\xc3\xcc$\xbd<\x03n9j\xd3\xaf7\x94PX\x83\x9e\x81\"p\xbc@\x90\x1f\xa6T\xe7\xcc2\x92\xa8/\xc8\f7M\xc0qB\xa1\xc2\xe9\xd3\xe2R\x8eO\xda\xc3+\xca\xef\xe9\x10\xeb\xd3\xb9H\xa3\xbf\xeb\xef_\xa8\xd8$s\xc7\xfb\xf3\xec', 0x0, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rtc0\x00', 0x0, 0x0) unshare(0x20600) pselect6(0x40, &(0x7f0000000280), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000080), 0x0) [ 61.725392][ T8400] chnl_net:caif_netlink_parms(): no params data found [ 61.792789][ T8403] IPVS: ftp: loaded support on port[0] = 21 [ 61.869056][ T8400] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.876471][ T8400] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.899436][ T8400] device bridge_slave_0 entered promiscuous mode [ 61.937611][ T8400] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.938641][ T8405] IPVS: ftp: loaded support on port[0] = 21 [ 61.944900][ T8400] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.967789][ T8400] device bridge_slave_1 entered promiscuous mode [ 62.041592][ T8400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.076421][ T8400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:24:05 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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) r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) socket(0x840000000002, 0x3, 0x6) connect$inet(r0, &(0x7f0000000040)={0x2, 0x0, @local}, 0x10) sendmmsg(r0, &(0x7f0000006d00), 0xffffffffffffff92, 0x1ffffffe) r1 = dup(r0) setsockopt$inet_opts(r1, 0x0, 0x4, 0x0, 0x0) [ 62.162771][ T8400] team0: Port device team_slave_0 added [ 62.204999][ T8400] team0: Port device team_slave_1 added [ 62.235596][ T8403] chnl_net:caif_netlink_parms(): no params data found [ 62.300701][ T8400] device hsr_slave_0 entered promiscuous mode [ 62.357510][ T8400] device hsr_slave_1 entered promiscuous mode 01:24:05 executing program 4: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x5eb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000000)=@filter={'filter\x00', 0xe, 0x2, 0x1d0, [0x0, 0x20000100, 0x20000130, 0x20000200], 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="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"/464]}, 0x248) setsockopt$EBT_SO_SET_COUNTERS(r0, 0x1100000000000000, 0x81, &(0x7f0000000300)={'filter\x00', 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x100000000000000], 0x2, 0x0, 0x0, [{}, {}]}, 0x98) [ 62.412567][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 62.474050][ T8409] IPVS: ftp: loaded support on port[0] = 21 [ 62.566556][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.587528][ T8403] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.595782][ T8403] device bridge_slave_0 entered promiscuous mode [ 62.626499][ T8400] netdevsim netdevsim0 netdevsim0: renamed from eth0 01:24:06 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f0000000280)=ANY=[@ANYBLOB='upperdir=./bus,workdir=./file1,lowerdir=./file0']) r0 = creat(&(0x7f00000005c0)='./bus/file0\x00', 0x0) fallocate(r0, 0x8, 0x0, 0x8) [ 62.763027][ T8400] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.821156][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.829854][ T8403] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.842026][ T8403] device bridge_slave_1 entered promiscuous mode [ 62.854723][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.863674][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.872531][ T8405] device bridge_slave_0 entered promiscuous mode [ 62.892396][ T8400] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.969091][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.976344][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.985324][ T8405] device bridge_slave_1 entered promiscuous mode [ 62.986552][ T8414] IPVS: ftp: loaded support on port[0] = 21 [ 63.014977][ T8411] IPVS: ftp: loaded support on port[0] = 21 [ 63.023910][ T8400] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.100064][ T8403] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.112121][ T8403] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.143261][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.169876][ T8403] team0: Port device team_slave_0 added [ 63.177399][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.203305][ T8405] team0: Port device team_slave_0 added [ 63.214542][ T8403] team0: Port device team_slave_1 added [ 63.241865][ T8405] team0: Port device team_slave_1 added [ 63.340872][ T8403] device hsr_slave_0 entered promiscuous mode [ 63.397272][ T8403] device hsr_slave_1 entered promiscuous mode [ 63.437015][ T8403] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.539589][ T8405] device hsr_slave_0 entered promiscuous mode [ 63.597844][ T8405] device hsr_slave_1 entered promiscuous mode [ 63.656778][ T8405] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.694438][ T8409] chnl_net:caif_netlink_parms(): no params data found [ 63.713065][ T8403] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.768924][ T8403] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.833597][ T8400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.875366][ T8403] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.948167][ T8403] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.042453][ T8414] chnl_net:caif_netlink_parms(): no params data found [ 64.069740][ T8409] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.077704][ T8409] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.086210][ T8409] device bridge_slave_0 entered promiscuous mode [ 64.103771][ T8405] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.148685][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.158796][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.172393][ T8400] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.179654][ T8409] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.187261][ T8409] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.195020][ T8409] device bridge_slave_1 entered promiscuous mode [ 64.209225][ T8405] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.268753][ T8411] chnl_net:caif_netlink_parms(): no params data found [ 64.309599][ T8405] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.339222][ T3641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.348263][ T3641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.356732][ T3641] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.364102][ T3641] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.372398][ T3641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.381103][ T3641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.389501][ T3641] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.396681][ T3641] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.404946][ T3641] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.420015][ T8409] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.432154][ T8409] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.448273][ T8405] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.523035][ T8411] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.532073][ T8411] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.539912][ T8411] device bridge_slave_0 entered promiscuous mode [ 64.548429][ T8414] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.555487][ T8414] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.563487][ T8414] device bridge_slave_0 entered promiscuous mode [ 64.572302][ T8414] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.579615][ T8414] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.588078][ T8414] device bridge_slave_1 entered promiscuous mode [ 64.595889][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.605391][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.623095][ T8411] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.631477][ T8411] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.639661][ T8411] device bridge_slave_1 entered promiscuous mode [ 64.654108][ T8400] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.665040][ T8400] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.687178][ T8409] team0: Port device team_slave_0 added [ 64.694702][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.703404][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.712706][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.721470][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.730127][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.738604][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.747340][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.755788][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.776470][ T8411] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.798206][ T8400] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.811228][ T8409] team0: Port device team_slave_1 added [ 64.819158][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.829236][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.838051][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.845502][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.862036][ T8411] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.873190][ T8414] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.885655][ T8414] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.968721][ T8409] device hsr_slave_0 entered promiscuous mode [ 64.987126][ T8409] device hsr_slave_1 entered promiscuous mode [ 65.026954][ T8409] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.058045][ T8414] team0: Port device team_slave_0 added [ 65.082582][ T8411] team0: Port device team_slave_0 added [ 65.095302][ T8414] team0: Port device team_slave_1 added [ 65.115075][ T8411] team0: Port device team_slave_1 added [ 65.132987][ T8422] netlink: 1180 bytes leftover after parsing attributes in process `syz-executor.0'. [ 170.146659][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.153583][ C1] rcu: 1-....: (10499 ticks this GP) idle=d3a/1/0x4000000000000002 softirq=11445/11445 fqs=2802 [ 170.164630][ C1] (t=10500 jiffies g=6673 q=109) [ 170.169669][ C1] rcu: rcu_preempt kthread starved for 4860 jiffies! g6673 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 170.180690][ C1] rcu: RCU grace-period kthread stack dump: [ 170.186636][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 170.194565][ C1] Call Trace: [ 170.197999][ C1] __schedule+0x9a0/0xcc0 [ 170.202384][ C1] schedule+0x181/0x210 [ 170.206696][ C1] schedule_timeout+0x14f/0x240 [ 170.211548][ C1] ? run_local_timers+0x120/0x120 [ 170.216827][ C1] rcu_gp_kthread+0xed8/0x1770 [ 170.221748][ C1] kthread+0x332/0x350 [ 170.225858][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 170.230998][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.235612][ C1] ret_from_fork+0x24/0x30 [ 170.240052][ C1] NMI backtrace for cpu 1 [ 170.244376][ C1] CPU: 1 PID: 8422 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 170.252743][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.262810][ C1] Call Trace: [ 170.266227][ C1] [ 170.269103][ C1] dump_stack+0x1fb/0x318 [ 170.273502][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.278479][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.284756][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.290983][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.296979][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.303002][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.308154][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.313569][ C1] ? trace_hardirqs_off+0x74/0x80 [ 170.318667][ C1] update_process_times+0x12d/0x180 [ 170.324138][ C1] tick_sched_timer+0x263/0x420 [ 170.329175][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.334746][ C1] __hrtimer_run_queues+0x403/0x840 [ 170.339954][ C1] hrtimer_interrupt+0x38c/0xda0 [ 170.344905][ C1] ? debug_smp_processor_id+0x9/0x20 [ 170.350188][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 170.355881][ C1] apic_timer_interrupt+0xf/0x20 [ 170.360838][ C1] [ 170.363869][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 170.369972][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 e7 cc 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 [ 170.389592][ C1] RSP: 0018:ffffc900027470c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.398132][ C1] RAX: 1ffff110145b5a01 RBX: ffffea0001b02100 RCX: 0000000000000000 [ 170.406649][ C1] RDX: ffffc900021c9000 RSI: 00000000fffffffc RDI: ffffea0001b02100 [ 170.414642][ C1] RBP: ffffc900027470f0 R08: 000000000003a768 R09: ffffed1012ef2f3f [ 170.422650][ C1] R10: ffffed1012ef2f3f R11: 0000000000000000 R12: ffff8880a2dad0a0 [ 170.430760][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880977979e8 [ 170.438881][ C1] ? free_thread_stack+0x124/0x590 [ 170.444017][ C1] ? mod_memcg_page_state+0x16/0x190 [ 170.449344][ C1] free_thread_stack+0x168/0x590 [ 170.454303][ C1] put_task_stack+0xa3/0x130 [ 170.459036][ C1] finish_task_switch+0x3f1/0x550 [ 170.464063][ C1] __schedule+0x9a8/0xcc0 [ 170.468393][ C1] ? ___preempt_schedule+0x16/0x18 [ 170.473541][ C1] preempt_schedule+0xdb/0x120 [ 170.478312][ C1] ___preempt_schedule+0x16/0x18 [ 170.483494][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 170.488196][ C1] ? vprintk_emit+0x368/0x3a0 [ 170.492923][ C1] vprintk_emit+0x36d/0x3a0 [ 170.497509][ C1] vprintk_default+0x28/0x30 [ 170.502251][ C1] vprintk_func+0x158/0x170 [ 170.507095][ C1] printk+0x62/0x8d [ 170.510935][ C1] ? __nla_validate_parse+0x1917/0x1f40 [ 170.516624][ C1] __nla_validate_parse+0x1c13/0x1f40 [ 170.522010][ C1] __nla_parse+0x41/0x50 [ 170.526279][ C1] cbq_init+0xd3/0x1070 [ 170.530498][ C1] ? qdisc_lookup+0x33f/0x660 [ 170.535201][ C1] ? qdisc_peek_dequeued+0x220/0x220 [ 170.540623][ C1] qdisc_create+0x7e7/0x13e0 [ 170.545236][ C1] ? __nla_parse+0x41/0x50 [ 170.549815][ C1] tc_modify_qdisc+0x972/0x1da0 [ 170.554689][ C1] ? rcu_lock_release+0x30/0x30 [ 170.559564][ C1] rtnetlink_rcv_msg+0x889/0xd40 [ 170.564509][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 170.569877][ C1] ? local_bh_enable+0x9/0x30 [ 170.574592][ C1] ? trace_hardirqs_on+0x74/0x80 [ 170.580631][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 170.586218][ C1] ? local_bh_enable+0x1f/0x30 [ 170.591236][ C1] ? rcu_lock_release+0x9/0x30 [ 170.596026][ C1] ? rcu_lock_release+0x9/0x30 [ 170.600798][ C1] netlink_rcv_skb+0x19e/0x3d0 [ 170.605567][ C1] ? rtnetlink_bind+0x80/0x80 [ 170.610291][ C1] rtnetlink_rcv+0x1c/0x20 [ 170.614750][ C1] netlink_unicast+0x767/0x920 [ 170.619531][ C1] netlink_sendmsg+0xa21/0xd40 [ 170.624937][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 170.630180][ C1] ____sys_sendmsg+0x509/0x820 [ 170.634966][ C1] __sys_sendmsg+0x1ed/0x290 [ 170.639949][ C1] ? check_preemption_disabled+0xb4/0x260 [ 170.645768][ C1] ? debug_smp_processor_id+0x9/0x20 [ 170.651142][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 170.656606][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 170.662712][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 170.668479][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 170.674212][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.679813][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 170.685665][ C1] ? do_syscall_64+0x1d/0x1c0 [ 170.690349][ C1] __x64_sys_sendmsg+0x7f/0x90 [ 170.695108][ C1] do_syscall_64+0xf7/0x1c0 [ 170.699656][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.705593][ C1] RIP: 0033:0x45a679 [ 170.709524][ C1] 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 [ 170.729464][ C1] RSP: 002b:00007f4646734c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 170.738564][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 170.746858][ C1] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 170.754841][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 170.762842][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46467356d4 [ 170.771177][ C1] R13: 00000000004c96f2 R14: 00000000004e13f0 R15: 00000000ffffffff