[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.905718][ T25] audit: type=1800 audit(1575394178.354:25): pid=8150 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.924558][ T25] audit: type=1800 audit(1575394178.364:26): pid=8150 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.944936][ T25] audit: type=1800 audit(1575394178.364:27): pid=8150 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 '10.128.0.115' (ECDSA) to the list of known hosts. 2019/12/03 17:29:48 fuzzer started 2019/12/03 17:29:50 dialing manager at 10.128.0.26:42111 2019/12/03 17:29:50 syscalls: 2689 2019/12/03 17:29:50 code coverage: enabled 2019/12/03 17:29:50 comparison tracing: enabled 2019/12/03 17:29:50 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:29:50 setuid sandbox: enabled 2019/12/03 17:29:50 namespace sandbox: enabled 2019/12/03 17:29:50 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:29:50 fault injection: enabled 2019/12/03 17:29:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:29:50 net packet injection: enabled 2019/12/03 17:29:50 net device setup: enabled 2019/12/03 17:29:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:29:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:29:51 executing program 0: r0 = socket$unix(0x1, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x3, 0x16, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00'}, 0x48) 17:29:51 executing program 1: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nullb0\x00', 0x0, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r1, 0x40045431, &(0x7f00005befdc)) r2 = syz_open_pts(r1, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r4 = dup2(r3, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000)='/dev/nullb0\x00', 0x105042, 0x0) sendfile(r5, r0, 0x0, 0x80006) syzkaller login: [ 57.887435][ T8312] IPVS: ftp: loaded support on port[0] = 21 17:29:51 executing program 2: 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x0, 0x0) ioctl$EVIOCGKEY(r0, 0x80404529, 0x0) [ 58.085801][ T8315] IPVS: ftp: loaded support on port[0] = 21 [ 58.094583][ T8312] chnl_net:caif_netlink_parms(): no params data found [ 58.165924][ T8312] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.173996][ T8312] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.183292][ T8312] device bridge_slave_0 entered promiscuous mode [ 58.203696][ T8312] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.211693][ T8312] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.220772][ T8312] device bridge_slave_1 entered promiscuous mode [ 58.301215][ T8312] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.351663][ T8312] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.386131][ T8318] IPVS: ftp: loaded support on port[0] = 21 [ 58.386355][ T8315] chnl_net:caif_netlink_parms(): no params data found [ 58.425646][ T8312] team0: Port device team_slave_0 added [ 58.440587][ T8312] team0: Port device team_slave_1 added 17:29:51 executing program 3: clock_nanosleep(0xfffffffffffffff5, 0x0, &(0x7f0000000040), 0x0) [ 58.541136][ T8312] device hsr_slave_0 entered promiscuous mode [ 58.569136][ T8312] device hsr_slave_1 entered promiscuous mode [ 58.661337][ T8320] IPVS: ftp: loaded support on port[0] = 21 [ 58.699067][ T8315] bridge0: port 1(bridge_slave_0) entered blocking state 17:29:52 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000080)='mountinfo\x00') preadv(r0, &(0x7f0000000940)=[{&(0x7f0000000040)=""/42, 0x2a}], 0x1, 0x0) preadv(r0, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/129, 0x81}], 0x1, 0x8702) [ 58.706175][ T8315] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.717334][ T8315] device bridge_slave_0 entered promiscuous mode [ 58.790351][ T8315] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.797587][ T8315] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.817668][ T8315] device bridge_slave_1 entered promiscuous mode [ 58.838962][ T8312] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.912776][ T8312] netdevsim netdevsim0 netdevsim1: renamed from eth1 17:29:52 executing program 5: socket$inet6_tcp(0xa, 0x1, 0x0) mkdir(&(0x7f0000000000)='./file0\x00', 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) socket$key(0xf, 0x3, 0x2) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) ioctl$int_in(0xffffffffffffffff, 0x5473, &(0x7f0000000040)) add_key$user(&(0x7f0000000040)='user\x00', 0x0, 0x0, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0xfffffffffffffffc}, 0x0, 0x7fc4, 0x9}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x66, &(0x7f0000000000)={@broadcast, @link_local={0x1, 0x80, 0xc2, 0x689, 0x3}, [], {@ipv6={0x86dd, {0x0, 0x6, 'v`Q', 0x30, 0x3a, 0x0, @remote={0xfe, 0x80, [0x3, 0x543, 0x700, 0x5, 0x50000000000000d, 0x8848000000f0ffff], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [0x0, 0xfffffffffffff000]}, {[], @icmpv6=@dest_unreach={0xffffff86, 0x0, 0x0, 0x0, [0x7, 0x3], {0x0, 0x6, "c5961e", 0x0, 0x0, 0x0, @mcast1={0x3, 0x4, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x3, 0x0, 0x0, 0x5]}, @mcast2={0x11, 0x5}}}}}}}}, 0x0) bind$unix(0xffffffffffffffff, 0x0, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x0) r0 = socket(0x100000000011, 0x2, 0x0) bind(r0, 0x0, 0x0) getsockname$packet(r0, &(0x7f0000000040)={0x11, 0x0, 0x0}, &(0x7f00000001c0)=0x14) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000100)={r1, 0x1, 0x6, @local}, 0x10) r2 = dup(r0) setsockopt$packet_add_memb(r2, 0x107, 0x2, &(0x7f0000000000)={r1, 0x1, 0x6, @local}, 0x10) connect$packet(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0xfa, r1, 0x1, 0x9, 0x6, @broadcast}, 0x14) mount(0x0, &(0x7f0000000400)='./file0\x00', 0x0, 0x0, 0x0) r3 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) mknodat(r3, 0x0, 0x0, 0x0) setxattr$security_evm(&(0x7f0000000600)='./file0\x00', &(0x7f0000000640)='security.evm\x00', &(0x7f0000000680)=@sha1={0x1, "6c82964ba6d01fc9ae7d3710f56c37bd52d01255"}, 0x15, 0x0) lsetxattr$security_selinux(0x0, &(0x7f0000000700)='security.selinux\x00', &(0x7f0000000740)='system_u:object_r:getty_etc_t:s0\x00', 0x21, 0x0) renameat2(r3, &(0x7f0000000000)='./file1\x00', r3, &(0x7f0000000100)='./file0\x00', 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) [ 58.970345][ T8312] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.051256][ T8312] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.136891][ T8315] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.148667][ T8315] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.171502][ T8318] chnl_net:caif_netlink_parms(): no params data found [ 59.182858][ T8325] IPVS: ftp: loaded support on port[0] = 21 [ 59.197502][ T8315] team0: Port device team_slave_0 added [ 59.210344][ T8315] team0: Port device team_slave_1 added [ 59.242078][ T8327] IPVS: ftp: loaded support on port[0] = 21 [ 59.351536][ T8315] device hsr_slave_0 entered promiscuous mode [ 59.408269][ T8315] device hsr_slave_1 entered promiscuous mode [ 59.458118][ T8315] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.512957][ T8320] chnl_net:caif_netlink_parms(): no params data found [ 59.532776][ T8318] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.540731][ T8318] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.548966][ T8318] device bridge_slave_0 entered promiscuous mode [ 59.556586][ T8318] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.563818][ T8318] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.572204][ T8318] device bridge_slave_1 entered promiscuous mode [ 59.595449][ T8312] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.630682][ T8320] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.638274][ T8320] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.645923][ T8320] device bridge_slave_0 entered promiscuous mode [ 59.654548][ T8320] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.662531][ T8320] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.670793][ T8320] device bridge_slave_1 entered promiscuous mode [ 59.695687][ T8318] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.709978][ T8318] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.724500][ T8320] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.756760][ T8320] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.775771][ T8321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.784678][ T8321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.811566][ T8318] team0: Port device team_slave_0 added [ 59.830765][ T8312] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.840981][ T8315] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.897284][ T8318] team0: Port device team_slave_1 added [ 59.906450][ T8320] team0: Port device team_slave_0 added [ 59.931344][ T8315] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.970096][ T8315] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.001329][ T8320] team0: Port device team_slave_1 added [ 60.014439][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.024144][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.033210][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.040395][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.049499][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.058173][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.066505][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.073608][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.081758][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.091401][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.113996][ T8325] chnl_net:caif_netlink_parms(): no params data found [ 60.124181][ T8315] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.212701][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.280859][ T8318] device hsr_slave_0 entered promiscuous mode [ 60.321084][ T8318] device hsr_slave_1 entered promiscuous mode [ 60.378069][ T8318] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.402678][ T8327] chnl_net:caif_netlink_parms(): no params data found [ 60.470942][ T8320] device hsr_slave_0 entered promiscuous mode [ 60.518243][ T8320] device hsr_slave_1 entered promiscuous mode [ 60.577965][ T8320] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.609233][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.618607][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.627008][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.635615][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.644563][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.673061][ T8318] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.722970][ T8312] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.733857][ T8312] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.746715][ T8325] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.754765][ T8325] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.763632][ T8325] device bridge_slave_0 entered promiscuous mode [ 60.771997][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.780948][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.790020][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.798490][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.806952][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.821161][ T8318] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.872057][ T8318] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.921117][ T8318] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.980164][ T8325] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.987275][ T8325] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.995577][ T8325] device bridge_slave_1 entered promiscuous mode [ 61.012140][ T8327] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.020264][ T8327] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.028169][ T8327] device bridge_slave_0 entered promiscuous mode [ 61.037039][ T8327] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.044884][ T8327] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.052760][ T8327] device bridge_slave_1 entered promiscuous mode [ 61.107485][ T8325] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.122856][ T8325] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.133771][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.141426][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.150543][ T8320] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.189644][ T8320] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.234187][ T8320] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.290773][ T8327] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.307649][ T8327] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.333049][ T8320] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.378833][ T8312] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.395749][ T8327] team0: Port device team_slave_0 added [ 61.403384][ T8325] team0: Port device team_slave_0 added [ 61.410888][ T8325] team0: Port device team_slave_1 added [ 61.455125][ T8327] team0: Port device team_slave_1 added [ 61.469351][ T8315] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.481428][ T8318] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.530689][ T8325] device hsr_slave_0 entered promiscuous mode [ 61.581025][ T8325] device hsr_slave_1 entered promiscuous mode [ 61.618043][ T8325] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.690149][ T8327] device hsr_slave_0 entered promiscuous mode [ 61.728226][ T8327] device hsr_slave_1 entered promiscuous mode [ 61.768489][ T8327] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.783220][ T8318] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.837644][ T8315] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.854798][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 166.867799][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.874707][ C0] rcu: 0-...!: (10499 ticks this GP) idle=02a/1/0x4000000000000002 softirq=11433/11435 fqs=37 [ 166.885302][ C0] (t=10500 jiffies g=6449 q=39) [ 166.890231][ C0] rcu: rcu_preempt kthread starved for 10419 jiffies! g6449 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.901433][ C0] rcu: RCU grace-period kthread stack dump: [ 166.907327][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.915223][ C0] Call Trace: [ 166.918517][ C0] __schedule+0x9a0/0xcc0 [ 166.922846][ C0] schedule+0x181/0x210 [ 166.926991][ C0] schedule_timeout+0x14f/0x240 [ 166.931831][ C0] ? run_local_timers+0x120/0x120 [ 166.936847][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.941694][ C0] kthread+0x332/0x350 [ 166.945748][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.950845][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.955421][ C0] ret_from_fork+0x24/0x30 [ 166.959846][ C0] NMI backtrace for cpu 0 [ 166.964164][ C0] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0 [ 166.971943][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.981993][ C0] Workqueue: events linkwatch_event [ 166.987176][ C0] Call Trace: [ 166.990444][ C0] [ 166.993285][ C0] dump_stack+0x1fb/0x318 [ 166.997612][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.002450][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.008593][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.014645][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.020615][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.026579][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.031685][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.036872][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.041893][ C0] update_process_times+0x12d/0x180 [ 167.047083][ C0] tick_sched_timer+0x263/0x420 [ 167.051932][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.057466][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.062664][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.067612][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.072889][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.078424][ C0] apic_timer_interrupt+0xf/0x20 [ 167.083342][ C0] [ 167.086272][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 167.092410][ C0] Code: 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 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 [ 167.111999][ C0] RSP: 0018:ffffc90000d2f6c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.120394][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a9dee300 [ 167.128350][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea000243df40 [ 167.136308][ C0] RBP: ffffc90000d2f6f0 R08: 000000000003a768 R09: fffffbfff120248a [ 167.144269][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 167.152228][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888095e0f7e8 [ 167.160200][ C0] ? mod_memcg_page_state+0x123/0x190 [ 167.165566][ C0] ? free_thread_stack+0x124/0x590 [ 167.170668][ C0] ? mod_memcg_page_state+0x123/0x190 [ 167.176031][ C0] free_thread_stack+0x168/0x590 [ 167.180959][ C0] put_task_stack+0xa3/0x130 [ 167.185536][ C0] finish_task_switch+0x3f1/0x550 [ 167.190551][ C0] __schedule+0x9a8/0xcc0 [ 167.194880][ C0] ? ___preempt_schedule+0x16/0x18 [ 167.199977][ C0] preempt_schedule+0xdb/0x120 [ 167.204726][ C0] ___preempt_schedule+0x16/0x18 [ 167.209653][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 167.214321][ C0] ? vprintk_emit+0x368/0x3a0 [ 167.218987][ C0] vprintk_emit+0x36d/0x3a0 [ 167.223482][ C0] vprintk_default+0x28/0x30 [ 167.229449][ C0] vprintk_func+0x158/0x170 [ 167.233938][ C0] printk+0x62/0x8d [ 167.237732][ C0] ? addrconf_notify+0xd37/0x3c90 [ 167.242737][ C0] ? addrconf_notify+0x779/0x3c90 [ 167.247748][ C0] addrconf_notify+0x2c8d/0x3c90 [ 167.252677][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 167.257946][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 167.263304][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 167.268836][ C0] ? trace_hardirqs_on+0x74/0x80 [ 167.273760][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 167.279120][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 167.284650][ C0] ? tls_dev_event+0x619/0xc00 [ 167.289399][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 167.294929][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 167.300120][ C0] raw_notifier_call_chain+0xec/0x190 [ 167.305483][ C0] netdev_state_change+0x147/0x1f0 [ 167.310587][ C0] linkwatch_do_dev+0x10e/0x160 [ 167.315425][ C0] __linkwatch_run_queue+0x446/0x730 [ 167.320701][ C0] linkwatch_event+0x4c/0x60 [ 167.325282][ C0] process_one_work+0x7ef/0x10d0 [ 167.330220][ C0] worker_thread+0xc01/0x1630 [ 167.334909][ C0] kthread+0x332/0x350 [ 167.338965][ C0] ? rcu_lock_release+0x30/0x30 [ 167.343805][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.348385][ C0] ret_from_fork+0x24/0x30