[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 61.162503][ T26] audit: type=1800 audit(1574014200.480:25): pid=8553 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 61.182758][ T26] audit: type=1800 audit(1574014200.480:26): pid=8553 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 61.234253][ T26] audit: type=1800 audit(1574014200.480:27): pid=8553 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.0.14' (ECDSA) to the list of known hosts. 2019/11/17 18:10:10 fuzzer started 2019/11/17 18:10:12 dialing manager at 10.128.0.26:44591 2019/11/17 18:10:12 syscalls: 2566 2019/11/17 18:10:12 code coverage: enabled 2019/11/17 18:10:12 comparison tracing: enabled 2019/11/17 18:10:12 extra coverage: enabled 2019/11/17 18:10:12 setuid sandbox: enabled 2019/11/17 18:10:12 namespace sandbox: enabled 2019/11/17 18:10:12 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/17 18:10:12 fault injection: enabled 2019/11/17 18:10:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/17 18:10:12 net packet injection: enabled 2019/11/17 18:10:12 net device setup: enabled 2019/11/17 18:10:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/17 18:10:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 18:12:37 executing program 0: unshare(0x2a000400) shmget$private(0x0, 0x2000, 0x0, &(0x7f0000ffb000/0x2000)=nil) r0 = shmat(0x0, &(0x7f0000ffc000/0x1000)=nil, 0x4000) unshare(0x8000400) shmdt(r0) 18:12:37 executing program 1: syz_open_dev$dspn(&(0x7f0000000080)='/dev/dsp#\x00', 0x1, 0x0) socket$inet6(0xa, 0x40000080806, 0x0) syz_open_dev$dmmidi(&(0x7f0000000100)='/dev/dmmidi#\x00', 0xc, 0x0) syz_open_dev$radio(0x0, 0x2, 0x2) syz_open_dev$usbfs(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) pselect6(0x33, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200)={0x0, r0+30000000}, 0x0) syzkaller login: [ 218.352249][ T8719] IPVS: ftp: loaded support on port[0] = 21 [ 218.435607][ T8721] IPVS: ftp: loaded support on port[0] = 21 18:12:37 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000940)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @gretap={{0xc, 0x1, 'gretap\x00'}, {0xc, 0x2, [@gre_common_policy=[@IFLA_GRE_ENCAP_FLAGS={0x8}]]}}}]}, 0x3c}}, 0x0) [ 218.664617][ T8719] chnl_net:caif_netlink_parms(): no params data found [ 218.680715][ T8721] chnl_net:caif_netlink_parms(): no params data found [ 218.749619][ T8725] IPVS: ftp: loaded support on port[0] = 21 [ 218.782660][ T8719] bridge0: port 1(bridge_slave_0) entered blocking state [ 218.792517][ T8719] bridge0: port 1(bridge_slave_0) entered disabled state 18:12:38 executing program 3: r0 = socket$inet6(0xa, 0x401000000001, 0x0) r1 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0xacc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x11, r2, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, r2) close(r0) syz_open_procfs(0x0, &(0x7f00000002c0)='comm\x00') r3 = open(&(0x7f0000000400)='./bus\x00', 0x1141042, 0x0) r4 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r4, 0x208200) sendfile(r0, r3, 0x0, 0x8000fffffffe) [ 218.802270][ T8719] device bridge_slave_0 entered promiscuous mode [ 218.837062][ T8719] bridge0: port 2(bridge_slave_1) entered blocking state [ 218.848353][ T8719] bridge0: port 2(bridge_slave_1) entered disabled state [ 218.857056][ T8719] device bridge_slave_1 entered promiscuous mode [ 218.898503][ T8721] bridge0: port 1(bridge_slave_0) entered blocking state [ 218.908830][ T8721] bridge0: port 1(bridge_slave_0) entered disabled state [ 218.917136][ T8721] device bridge_slave_0 entered promiscuous mode [ 218.943192][ T8721] bridge0: port 2(bridge_slave_1) entered blocking state [ 218.956871][ T8721] bridge0: port 2(bridge_slave_1) entered disabled state [ 218.967514][ T8721] device bridge_slave_1 entered promiscuous mode [ 218.984068][ T8719] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 219.026549][ T8719] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 219.078659][ T8721] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 219.095417][ T8727] IPVS: ftp: loaded support on port[0] = 21 [ 219.126219][ T8721] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 18:12:38 executing program 4: ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x0) r0 = creat(&(0x7f0000000100)='./file0\x00', 0x0) mkdir(&(0x7f0000000080)='./file1\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[], 0xffdbc494) link(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file1/file0\x00') clone(0x8000000000300, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) rename(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000340)='./file1/file0\x00') socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r1, &(0x7f0000005cc0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) [ 219.172336][ T8721] team0: Port device team_slave_0 added [ 219.181306][ T8719] team0: Port device team_slave_0 added [ 219.207073][ T8719] team0: Port device team_slave_1 added [ 219.217963][ T8721] team0: Port device team_slave_1 added [ 219.226322][ T8725] chnl_net:caif_netlink_parms(): no params data found [ 219.386744][ T8719] device hsr_slave_0 entered promiscuous mode 18:12:38 executing program 5: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000001640)={0x0, 0x0, &(0x7f0000001600)={&(0x7f00000002c0)=ANY=[@ANYBLOB="e6ff0300540000552331fe0500fac9067f13675ab4f2", @ANYBLOB="850081008ca31d3f003b54c91df8a31be46a014d43e66871c22ee20ce70f39885b2007369348b27e0800000000000000af71bee3b7a6117929e7b1d46d38b6a6b6c3285bb01e4d5d627b0f0911da0beb35118732bb0cbf909651c8c600fbde031f3161edefb1ba0706eb9644ce21b8e89e5300004c001f00ff6a4518c96e417975eb8dbfcd05c1"], 0x9d}}, 0x0) ioctl$TIOCMSET(0xffffffffffffffff, 0x5418, &(0x7f0000000140)=0xbe59) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x898fd13755b449c, &(0x7f0000000100)=[{&(0x7f0000000040)="800000003804000019000300e60100006c000000000000000100000001000000004000000040000080000000000000006d5ebe5a0000ffff53ef", 0xff66, 0x400}], 0x5, 0x0) [ 219.463544][ T8719] device hsr_slave_1 entered promiscuous mode [ 219.576467][ T8721] device hsr_slave_0 entered promiscuous mode [ 219.613671][ T8721] device hsr_slave_1 entered promiscuous mode [ 219.683338][ T8721] debugfs: Directory 'hsr0' with parent '/' already present! [ 219.704294][ T8730] IPVS: ftp: loaded support on port[0] = 21 [ 219.716139][ T8725] bridge0: port 1(bridge_slave_0) entered blocking state [ 219.725175][ T8725] bridge0: port 1(bridge_slave_0) entered disabled state [ 219.736600][ T8725] device bridge_slave_0 entered promiscuous mode [ 219.746275][ T8732] IPVS: ftp: loaded support on port[0] = 21 [ 219.787932][ T8725] bridge0: port 2(bridge_slave_1) entered blocking state [ 219.795129][ T8725] bridge0: port 2(bridge_slave_1) entered disabled state [ 219.802894][ T8725] device bridge_slave_1 entered promiscuous mode [ 219.855715][ T8725] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 219.872480][ T8725] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 219.931199][ T8727] chnl_net:caif_netlink_parms(): no params data found [ 219.963081][ T8725] team0: Port device team_slave_0 added [ 219.971119][ T8721] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 220.028828][ T8721] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 220.097070][ T8719] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 220.168123][ T8719] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 220.227980][ T8719] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 220.287895][ T8725] team0: Port device team_slave_1 added [ 220.298079][ T8721] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 220.350270][ T8721] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 220.409602][ T8719] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 220.532179][ T8727] bridge0: port 1(bridge_slave_0) entered blocking state [ 220.539806][ T8727] bridge0: port 1(bridge_slave_0) entered disabled state [ 220.547535][ T8727] device bridge_slave_0 entered promiscuous mode [ 220.608570][ T8725] device hsr_slave_0 entered promiscuous mode [ 220.664500][ T8725] device hsr_slave_1 entered promiscuous mode [ 220.693336][ T8725] debugfs: Directory 'hsr0' with parent '/' already present! [ 220.717093][ T8730] chnl_net:caif_netlink_parms(): no params data found [ 220.729560][ T8727] bridge0: port 2(bridge_slave_1) entered blocking state [ 220.737118][ T8727] bridge0: port 2(bridge_slave_1) entered disabled state [ 220.746298][ T8727] device bridge_slave_1 entered promiscuous mode [ 220.810340][ T8727] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 220.848198][ T8727] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 220.858319][ T8732] chnl_net:caif_netlink_parms(): no params data found [ 220.929979][ T8732] bridge0: port 1(bridge_slave_0) entered blocking state [ 220.937603][ T8732] bridge0: port 1(bridge_slave_0) entered disabled state [ 220.945661][ T8732] device bridge_slave_0 entered promiscuous mode [ 220.959573][ T8725] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 221.022174][ T8725] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 221.087662][ T8725] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 221.137582][ T8732] bridge0: port 2(bridge_slave_1) entered blocking state [ 221.145121][ T8732] bridge0: port 2(bridge_slave_1) entered disabled state [ 221.152743][ T8732] device bridge_slave_1 entered promiscuous mode [ 221.160436][ T8730] bridge0: port 1(bridge_slave_0) entered blocking state [ 221.168111][ T8730] bridge0: port 1(bridge_slave_0) entered disabled state [ 221.176073][ T8730] device bridge_slave_0 entered promiscuous mode [ 221.185907][ T8727] team0: Port device team_slave_0 added [ 221.195945][ T8725] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 221.267162][ T8730] bridge0: port 2(bridge_slave_1) entered blocking state [ 221.275965][ T8730] bridge0: port 2(bridge_slave_1) entered disabled state [ 221.284364][ T8730] device bridge_slave_1 entered promiscuous mode [ 221.292719][ T8727] team0: Port device team_slave_1 added [ 221.356674][ T8727] device hsr_slave_0 entered promiscuous mode [ 221.393711][ T8727] device hsr_slave_1 entered promiscuous mode [ 221.433306][ T8727] debugfs: Directory 'hsr0' with parent '/' already present! [ 221.442376][ T8732] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 221.466114][ T8730] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 221.478647][ T8721] 8021q: adding VLAN 0 to HW filter on device bond0 [ 221.495852][ T8732] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 221.506144][ T8730] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 221.539785][ T8721] 8021q: adding VLAN 0 to HW filter on device team0 [ 221.559898][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 221.569210][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 221.596405][ T8730] team0: Port device team_slave_0 added [ 221.622635][ T8727] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 221.668451][ T8732] team0: Port device team_slave_0 added [ 221.675758][ T8732] team0: Port device team_slave_1 added [ 221.687693][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 221.696272][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 221.705344][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 221.712507][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 221.720655][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 221.730135][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 221.738552][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 221.745638][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 221.756065][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 221.765183][ T8730] team0: Port device team_slave_1 added [ 221.774594][ T8727] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 221.829677][ T8727] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 221.898252][ T8727] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 221.970137][ T8719] 8021q: adding VLAN 0 to HW filter on device bond0 [ 222.037354][ T8732] device hsr_slave_0 entered promiscuous mode [ 222.083664][ T8732] device hsr_slave_1 entered promiscuous mode [ 222.123848][ T8732] debugfs: Directory 'hsr0' with parent '/' already present! [ 222.195198][ T8730] device hsr_slave_0 entered promiscuous mode [ 222.243676][ T8730] device hsr_slave_1 entered promiscuous mode [ 222.283445][ T8730] debugfs: Directory 'hsr0' with parent '/' already present! [ 222.296005][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 222.306473][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 222.331388][ T8732] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 222.365402][ T8732] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 222.454980][ T8732] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 222.515740][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 222.524763][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 222.535275][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 222.544096][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 222.552356][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 222.560824][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 222.570168][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 222.578119][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 222.586325][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 222.595061][ T8730] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 222.650845][ T8725] 8021q: adding VLAN 0 to HW filter on device bond0 [ 222.660280][ T8732] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 222.720104][ T8719] 8021q: adding VLAN 0 to HW filter on device team0 [ 222.728370][ T8730] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 222.784738][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 222.792896][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 222.800867][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 222.809404][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 222.829450][ T8725] 8021q: adding VLAN 0 to HW filter on device team0 [ 222.840910][ T8730] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 222.905788][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 222.914660][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 222.923109][ T3108] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.930267][ T3108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 222.937996][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 222.947044][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 222.955935][ T3108] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.963021][ T3108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 222.970642][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 222.979552][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 222.993530][ T8730] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 223.042041][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.050704][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.060127][ T3614] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.067235][ T3614] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.074873][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 223.082228][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 223.089809][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 223.126340][ T8727] 8021q: adding VLAN 0 to HW filter on device bond0 [ 223.142952][ T8721] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 223.157580][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 223.170266][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 223.179319][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 223.187817][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 223.196910][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 223.206510][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 223.215234][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.223779][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 223.232491][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 223.240888][ T3614] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.247945][ T3614] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.256229][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 223.265180][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 223.295046][ T8727] 8021q: adding VLAN 0 to HW filter on device team0 [ 223.311172][ T8725] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 223.321966][ T8725] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 223.340805][ T8719] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 223.353174][ T8719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 223.365428][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 223.374840][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 223.384219][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 223.392686][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 223.401502][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 223.410239][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 223.418702][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.427566][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.435318][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.442864][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 223.451207][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.459357][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 223.468518][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.510450][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 223.520488][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 223.535466][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.551020][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.560061][ T8735] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.567173][ T8735] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.579190][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 223.587754][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 223.598996][ T8735] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.606103][ T8735] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.613933][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 223.622460][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 223.631118][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 223.639765][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 223.648413][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 223.657672][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 223.667607][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 223.675486][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 223.701096][ T8727] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 223.712286][ T8727] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 223.732272][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 223.740517][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 223.748404][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 223.756981][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.765653][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 223.774997][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.786705][ T8725] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 223.815328][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 223.834179][ T8732] 8021q: adding VLAN 0 to HW filter on device bond0 [ 223.856859][ T8727] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 223.878769][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 223.887177][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 223.895047][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 223.902507][ T3108] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 223.916894][ T8719] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 223.936010][ T8732] 8021q: adding VLAN 0 to HW filter on device team0 [ 223.946709][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.955937][ T8735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.971992][ T8730] 8021q: adding VLAN 0 to HW filter on device bond0 [ 224.044183][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 224.061793][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 224.094223][ C0] hrtimer: interrupt took 29115 ns [ 224.103485][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 224.110569][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 224.148624][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 224.174520][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 224.182826][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 224.189928][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 224.198963][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 224.207993][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 224.217429][ T8745] netlink: 'syz-executor.2': attribute type 15 has an invalid length. 18:12:43 executing program 1: syz_emit_ethernet(0x2a, &(0x7f00000001c0)={@link_local, @link_local, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @multicast1}, @udp={0x0, 0x0, 0x8}}}}}, 0x0) 18:12:43 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x200000000000013, &(0x7f0000000100), 0x4) connect$inet6(r0, &(0x7f0000000080), 0x1c) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f00000001c0)=[@timestamp, @sack_perm, @mss, @mss, @mss], 0x12fb85) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) setsockopt$inet6_buf(r0, 0x29, 0x1b, 0x0, 0x0) [ 224.445674][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 224.458884][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready 18:12:43 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000940)=@newlink={0x3c, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @gretap={{0xc, 0x1, 'gretap\x00'}, {0xc, 0x2, [@gre_common_policy=[@IFLA_GRE_ENCAP_FLAGS={0x8}]]}}}]}, 0x3c}}, 0x0) [ 224.492611][ T8736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready 18:12:43 executing program 1: openat$zero(0xffffffffffffff9c, &(0x7f0000000140)='/dev/zero\x00', 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000040)=@ipx, 0xfffffd7a, 0x0, 0x14f}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000380)='fd/3\x00\x02\x17\x87:\xf4\x03\xdfc\x88,5I\xd7^\xb5D\xf7\xd7\xdb,(\xd5\x00\xc2\x06MG\xcd\xe9w\xe5s\x02\xf2\xea\xb6\xabsp\x12xT8\x01\x00\xd4S\xd8F\xab.x|\x8b\x87\xb0\xa2\xf5Y>\xb1 p\x998(\xe63\xcf\x7f\xac\x89F\x03n\x96\x15zsw\x98\xca\xcb3\xb6M=h\x01i.\xa3\xda}\x190~\xe7d6\xa5\x17\xb3\xe9\xd9QV\x0f\xf3\x02\xd6\xc1\xc3n\xcd*R\x9a\x95\x12\x05K\xa0<\xc9\xe3\xed\xab\xc9\x8bK\xb3\x86\xe2\x93f\x92iKA|e\x97k :,J36\x11\xf0\x99\x96\xb7]\xfd\xe3\v\xd8\x98\xc5o\xc6\xde\x80\xf7_\xc9\x8f\xaf\xf9\xd5\xb7ui\xea\xde\xd0\xeb\xd9\xf5_\v\xe2*\xa3\xf4\xab?n\xcb\x19i\x80\x91\xd2\xf6\x14\xfe!!0\x84L\x86\x81\x95,B\x11\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xab*[\xa5\xb217\x93\xf3\x88\x92\xa6\xde\x11\xa2-J\x9d\xc9\xb2\x97\xa3\x88v\x9eR\x155\xc7N!\xdb\"8\xc8I\xb9c\xed\xa7!\t\x85s\xb1\xa5\xa7R2Yf\x1c\xf8\xc2z>\xb1\x9c\x02a\x87\xe9\xb8\xf8\xdcv\xb6\xe4\xa6\n\x0e\x83lM7\xcc?\xea\x19\x99\xce\x1c\x10\xd2lQ(\xc7\xe9\xef\xd2Q\vY\xf58\x10|8}uE\xaf\xb4w;\xbc\xe4\x01\xd8\xf2\xf9u\xc1Dt\'\x84\xb5\xa4\x83\xeft\xfc\xf3\xdd\x870xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, 0x0, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r4 = socket$netlink(0x10, 0x3, 0x4000000000000004) writev(r4, &(0x7f0000000140)=[{&(0x7f0000000180)="580000001400192340834b80040d8c5602067fffffff81000000000000dca87086a5c000004f6400940005891550f4a8000000006700008000f0fffeffff09000080fff5dd00000010000100000c0900fcff0000040e05a5", 0x58}], 0x1) [ 225.107967][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 225.166515][ T3614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 225.190853][ T3614] bridge0: port 2(bridge_slave_1) entered blocking state [ 225.198046][ T3614] bridge0: port 2(bridge_slave_1) entered forwarding state 18:12:44 executing program 1: openat$zero(0xffffffffffffff9c, &(0x7f0000000140)='/dev/zero\x00', 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000040)=@ipx, 0xfffffd7a, 0x0, 0x14f}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000380)='fd/3\x00\x02\x17\x87:\xf4\x03\xdfc\x88,5I\xd7^\xb5D\xf7\xd7\xdb,(\xd5\x00\xc2\x06MG\xcd\xe9w\xe5s\x02\xf2\xea\xb6\xabsp\x12xT8\x01\x00\xd4S\xd8F\xab.x|\x8b\x87\xb0\xa2\xf5Y>\xb1 p\x998(\xe63\xcf\x7f\xac\x89F\x03n\x96\x15zsw\x98\xca\xcb3\xb6M=h\x01i.\xa3\xda}\x190~\xe7d6\xa5\x17\xb3\xe9\xd9QV\x0f\xf3\x02\xd6\xc1\xc3n\xcd*R\x9a\x95\x12\x05K\xa0<\xc9\xe3\xed\xab\xc9\x8bK\xb3\x86\xe2\x93f\x92iKA|e\x97k :,J36\x11\xf0\x99\x96\xb7]\xfd\xe3\v\xd8\x98\xc5o\xc6\xde\x80\xf7_\xc9\x8f\xaf\xf9\xd5\xb7ui\xea\xde\xd0\xeb\xd9\xf5_\v\xe2*\xa3\xf4\xab?n\xcb\x19i\x80\x91\xd2\xf6\x14\xfe!!0\x84L\x86\x81\x95,B\x11\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xab*[\xa5\xb217\x93\xf3\x88\x92\xa6\xde\x11\xa2-J\x9d\xc9\xb2\x97\xa3\x88v\x9eR\x155\xc7N!\xdb\"8\xc8I\xb9c\xed\xa7!\t\x85s\xb1\xa5\xa7R2Yf\x1c\xf8\xc2z>\xb1\x9c\x02a\x87\xe9\xb8\xf8\xdcv\xb6\xe4\xa6\n\x0e\x83lM7\xcc?\xea\x19\x99\xce\x1c\x10\xd2lQ(\xc7\xe9\xef\xd2Q\vY\xf58\x10|8}uE\xaf\xb4w;\xbc\xe4\x01\xd8\xf2\xf9u\xc1Dt\'\x84\xb5\xa4\x83\xeft\xfc\xf3\xdd\x87f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 385.010238][ T1080] 2 locks held by getty/8681: [ 385.018610][ T1080] #0: ffff8880a854d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 385.028476][ T1080] #1: ffffc90005f312e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 385.041915][ T1080] 2 locks held by getty/8682: [ 385.048305][ T1080] #0: ffff8880a734f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 385.062205][ T1080] #1: ffffc90005f352e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 385.072729][ T1080] 2 locks held by getty/8683: [ 385.084808][ T1080] #0: ffff8880a7fea090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 385.096159][ T1080] #1: ffffc90005f412e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 385.108081][ T1080] 2 locks held by getty/8684: [ 385.112748][ T1080] #0: ffff8880938b0090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 385.126208][ T1080] #1: ffffc90005f392e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 385.136760][ T1080] 2 locks held by getty/8685: [ 385.141597][ T1080] #0: ffff888092f6e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 385.157114][ T1080] #1: ffffc90005f3d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 385.169046][ T1080] 2 locks held by getty/8686: [ 385.175994][ T1080] #0: ffff8880a7439090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 385.187864][ T1080] #1: ffffc90005f292e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 385.199721][ T1080] 2 locks held by getty/8687: [ 385.206787][ T1080] #0: ffff88809574b090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 385.218082][ T1080] #1: ffffc90005f112e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 385.229955][ T1080] [ 385.232274][ T1080] ============================================= [ 385.232274][ T1080] [ 385.243069][ T1080] NMI backtrace for cpu 0 [ 385.247482][ T1080] CPU: 0 PID: 1080 Comm: khungtaskd Not tainted 5.4.0-rc7-next-20191115 #0 [ 385.256062][ T1080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.266103][ T1080] Call Trace: [ 385.269453][ T1080] dump_stack+0x197/0x210 [ 385.273780][ T1080] nmi_cpu_backtrace.cold+0x70/0xb2 [ 385.278968][ T1080] ? vprintk_func+0x86/0x189 [ 385.283555][ T1080] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 385.289179][ T1080] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 385.295156][ T1080] arch_trigger_cpumask_backtrace+0x14/0x20 [ 385.301039][ T1080] watchdog+0xc8f/0x1350 [ 385.305279][ T1080] kthread+0x361/0x430 [ 385.309420][ T1080] ? reset_hung_task_detector+0x30/0x30 [ 385.314954][ T1080] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 385.320668][ T1080] ret_from_fork+0x24/0x30 [ 385.325323][ T1080] Sending NMI from CPU 0 to CPUs 1: [ 385.330873][ C1] NMI backtrace for cpu 1 [ 385.330878][ C1] CPU: 1 PID: 8746 Comm: Not tainted 5.4.0-rc7-next-20191115 #0 [ 385.330884][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.330887][ C1] RIP: 0010:irq_work_sync+0xd3/0x1d0 [ 385.330898][ C1] Code: f5 ff 4d 89 e6 4d 89 e5 48 b8 00 00 00 00 00 fc ff df 49 c1 ee 03 41 83 e5 07 49 01 c6 41 83 c5 03 eb 07 e8 7f 87 f5 ff f3 90 78 87 f5 ff be 04 00 00 00 4c 89 e7 e8 ab a6 31 00 41 0f b6 06 [ 385.330901][ C1] RSP: 0018:ffff88805b487c08 EFLAGS: 00000293 [ 385.330908][ C1] RAX: ffff88805b47c400 RBX: 0000000000000002 RCX: ffffffff817e51f6 [ 385.330913][ C1] RDX: 0000000000000000 RSI: ffffffff817e51c1 RDI: 0000000000000005 [ 385.330917][ C1] RBP: ffff88805b487c28 R08: ffff88805b47c400 R09: ffffed1013880682 [ 385.330921][ C1] R10: ffffed1013880681 R11: ffff88809c40340b R12: ffff88809c403408 [ 385.330926][ C1] R13: 0000000000000003 R14: ffffed1013880681 R15: ffff88805b487cc8 [ 385.330931][ C1] FS: 000000000189f940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 385.330935][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 385.330939][ C1] CR2: ffffffffff600400 CR3: 0000000097861000 CR4: 00000000001406e0 [ 385.330944][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 385.330948][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 385.330950][ C1] Call Trace: [ 385.330953][ C1] _free_event+0x89/0x13b0 [ 385.330957][ C1] ? __kasan_check_write+0x14/0x20 [ 385.330960][ C1] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 385.330963][ C1] ? mark_held_locks+0xa4/0xf0 [ 385.330966][ C1] ? ring_buffer_attach+0x650/0x650 [ 385.330970][ C1] ? wait_for_completion+0x440/0x440 [ 385.330973][ C1] put_event+0x47/0x60 [ 385.330977][ C1] perf_event_release_kernel+0x6d5/0xd70 [ 385.330980][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.330984][ C1] ? __perf_event_exit_context+0x170/0x170 [ 385.330988][ C1] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 385.330990][ C1] perf_release+0x37/0x50 [ 385.330993][ C1] __fput+0x2ff/0x890 [ 385.330997][ C1] ? perf_event_release_kernel+0xd70/0xd70 [ 385.330999][ C1] ____fput+0x16/0x20 [ 385.331002][ C1] task_work_run+0x145/0x1c0 [ 385.331006][ C1] exit_to_usermode_loop+0x316/0x380 [ 385.331009][ C1] do_syscall_64+0x676/0x790 [ 385.331012][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.331015][ C1] RIP: 0033:0x4141d1 [ 385.331024][ C1] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 385.331028][ C1] RSP: 002b:00007ffc219da3b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 385.331036][ C1] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00000000004141d1 [ 385.331040][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 385.331045][ C1] RBP: 0000000000000001 R08: 00000000edce2015 R09: 00000000edce2019 [ 385.331049][ C1] R10: 00007ffc219da490 R11: 0000000000000293 R12: 000000000075c9a0 [ 385.331054][ C1] R13: 000000000075c9a0 R14: 0000000000761580 R15: 000000000075bf2c [ 385.341593][ T1080] Kernel panic - not syncing: hung_task: blocked tasks [ 385.641841][ T1080] CPU: 0 PID: 1080 Comm: khungtaskd Not tainted 5.4.0-rc7-next-20191115 #0 [ 385.650407][ T1080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.660450][ T1080] Call Trace: [ 385.663736][ T1080] dump_stack+0x197/0x210 [ 385.668070][ T1080] panic+0x2e3/0x75c [ 385.671955][ T1080] ? add_taint.cold+0x16/0x16 [ 385.676616][ T1080] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 385.682237][ T1080] ? ___preempt_schedule+0x16/0x18 [ 385.687345][ T1080] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 385.693487][ T1080] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 385.699624][ T1080] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 385.705770][ T1080] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 385.711918][ T1080] watchdog+0xca0/0x1350 [ 385.716165][ T1080] kthread+0x361/0x430 [ 385.720216][ T1080] ? reset_hung_task_detector+0x30/0x30 [ 385.725752][ T1080] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 385.731466][ T1080] ret_from_fork+0x24/0x30 [ 385.737643][ T1080] Kernel Offset: disabled [ 385.742027][ T1080] Rebooting in 86400 seconds..