[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.438511][ T27] audit: type=1800 audit(1578449735.398:25): pid=8406 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.470013][ T27] audit: type=1800 audit(1578449735.398:26): pid=8406 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.504542][ T27] audit: type=1800 audit(1578449735.398:27): pid=8406 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 '10.128.0.154' (ECDSA) to the list of known hosts. 2020/01/08 02:15:45 fuzzer started 2020/01/08 02:15:47 dialing manager at 10.128.0.26:35703 2020/01/08 02:15:47 syscalls: 2824 2020/01/08 02:15:47 code coverage: enabled 2020/01/08 02:15:47 comparison tracing: enabled 2020/01/08 02:15:47 extra coverage: enabled 2020/01/08 02:15:47 setuid sandbox: enabled 2020/01/08 02:15:47 namespace sandbox: enabled 2020/01/08 02:15:47 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:15:47 fault injection: enabled 2020/01/08 02:15:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:15:47 net packet injection: enabled 2020/01/08 02:15:47 net device setup: enabled 2020/01/08 02:15:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:15:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:15:48 executing program 0: r0 = creat(&(0x7f00000000c0)='./bus\x00', 0x0) r1 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r1, 0x4, 0x6000) io_setup(0x1ff, &(0x7f00000004c0)=0x0) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000100)={0x0, 0x0, 0x35b2, 0xe0b7}) io_submit(r2, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000000), 0x10000}]) fallocate(r0, 0x4000000000000010, 0x2, 0x7fff) 02:15:49 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f00000003c0)='auxv\x00') symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000000040)='./file0\x00') syzkaller login: [ 67.030378][ T8574] IPVS: ftp: loaded support on port[0] = 21 [ 67.169609][ T8574] chnl_net:caif_netlink_parms(): no params data found [ 67.220405][ T8574] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.230108][ T8574] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.238565][ T8574] device bridge_slave_0 entered promiscuous mode [ 67.249820][ T8574] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.257511][ T8574] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.266619][ T8574] device bridge_slave_1 entered promiscuous mode [ 67.290456][ T8574] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.304301][ T8574] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 02:15:49 executing program 2: r0 = syz_open_dev$sndmidi(&(0x7f0000002680)='/dev/snd/midiC#D#\x00', 0x2, 0x40801) ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f0000000000)={0x1}) [ 67.315724][ T8577] IPVS: ftp: loaded support on port[0] = 21 [ 67.336243][ T8574] team0: Port device team_slave_0 added [ 67.345255][ T8574] team0: Port device team_slave_1 added [ 67.434448][ T8574] device hsr_slave_0 entered promiscuous mode [ 67.461970][ T8574] device hsr_slave_1 entered promiscuous mode [ 67.538794][ T8579] IPVS: ftp: loaded support on port[0] = 21 02:15:49 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x3c) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @mcast2, 0x9}, 0x1c) write$binfmt_script(r0, &(0x7f00000001c0)=ANY=[@ANYBLOB="2bae000000237b3d03000736b9becaba3de7ff0100002000000000198ce17905d32ce504d9934946cfaeb92eca740508bd920cbedd794c1aaadcf66a6208c2f4e8df7f301662dad4242d8b3cccd99e5d9529e921dde97400000000000000001f00008dc618ce45156cf06371198949c448732aa545fedc856fdbf5c4c586fc7b0c1c8986e7b0c60000000000000000000000000000748bfc376000"], 0x41a0) [ 67.696476][ T8574] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.753686][ T8577] chnl_net:caif_netlink_parms(): no params data found [ 67.773380][ T8574] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.805065][ T8574] netdevsim netdevsim0 netdevsim2: renamed from eth2 02:15:49 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x2001000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001440)=ANY=[@ANYBLOB="200000006800033800000000a90300000200000000000000080005000200000000002af4ffff67a29f4ffe2e4173f678a90000476f04795bd3458dbe34380144abbbb4bc9481b435842f56e6f859b78cc7d5fae9a6180e9485b06f1ffbcf2cdea2b82808a5605d1b73d76ea549012287087c9a3c7b7fcac2fb9ca381020000000000ff00f71908000000000076dc99133abe4bc5a8336e6b277e313f08000000382b48f1c51712443a6c00006c338fe8f6d77505d76a2b09317034abef015aa5a0e80a00"/207, @ANYRES32=0x0], 0x20}}, 0x0) r1 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r1, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000100)}], 0x218fe53f1794f59, 0x0) [ 67.885714][ T8574] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.951320][ T8582] IPVS: ftp: loaded support on port[0] = 21 [ 68.006475][ T8577] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.031660][ T8577] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.039383][ T8577] device bridge_slave_0 entered promiscuous mode [ 68.105700][ T8577] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.113954][ T8577] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.122302][ T8577] device bridge_slave_1 entered promiscuous mode [ 68.140173][ T8579] chnl_net:caif_netlink_parms(): no params data found 02:15:50 executing program 5: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000001c0)="6653070000053c07bc3376003639405cb4aed12f0000000000ae47a825d86800278dcff47d010000805ae64f8f36460234432479aed75d492b41fd983f79e65199615607672c59957ab364bf68e6faa53367f05f4ad61421349f2f11e931e7d62ead5e7cd2157df6b2bcb47fb53455560c8ef00fca4fafa924edfe92175aaa1c4ecc7aeeb72e0d050feace34b52d9e5f755563698c7e24ab61f0866f15da7f48295eb100000000000000075d2dd15b6210d53eed19bc0080000033270c6a98d91c22def1125d7b1e821039a85ad8b91cea336a1b57f45a0788e3aba04551e4a522e15c7ce71553059a5ef8", 0xeb}], 0x4, 0x0) write(0xffffffffffffffff, &(0x7f00000000c0)="1c0000005e001fffff", 0x9) sendmsg$IPVS_CMD_SET_CONFIG(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)={0x74, 0x0, 0x0, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2}, @IPVS_CMD_ATTR_DAEMON={0x28, 0x3, [@IPVS_DAEMON_ATTR_MCAST_TTL={0x8}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x8}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'caif0\x00'}]}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8}, @IPVS_CMD_ATTR_SERVICE={0x28, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0x8000000}, @IPVS_SVC_ATTR_PORT={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@remote}]}]}, 0x74}}, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x0) [ 68.151930][ T8574] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.159111][ T8574] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.166969][ T8574] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.174075][ T8574] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.193416][ T8577] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.204917][ T8584] IPVS: ftp: loaded support on port[0] = 21 [ 68.223840][ T3142] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.232888][ T3142] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.254493][ T8577] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.304408][ T8579] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.311593][ T8579] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.319078][ T8579] device bridge_slave_0 entered promiscuous mode [ 68.335346][ T8579] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.345433][ T8579] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.353574][ T8579] device bridge_slave_1 entered promiscuous mode [ 68.387638][ T8579] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.399290][ T8577] team0: Port device team_slave_0 added [ 68.408003][ T8577] team0: Port device team_slave_1 added [ 68.465021][ T8577] device hsr_slave_0 entered promiscuous mode [ 68.522487][ T8577] device hsr_slave_1 entered promiscuous mode [ 68.561793][ T8577] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.569551][ T8577] Cannot create hsr debugfs directory [ 68.578014][ T8579] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.611082][ T8579] team0: Port device team_slave_0 added [ 68.620525][ T8579] team0: Port device team_slave_1 added [ 68.630043][ T8588] IPVS: ftp: loaded support on port[0] = 21 [ 68.744664][ T8579] device hsr_slave_0 entered promiscuous mode [ 68.801983][ T8579] device hsr_slave_1 entered promiscuous mode [ 68.871688][ T8579] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.879250][ T8579] Cannot create hsr debugfs directory [ 68.897384][ T8574] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.979458][ T8582] chnl_net:caif_netlink_parms(): no params data found [ 69.006439][ T8584] chnl_net:caif_netlink_parms(): no params data found [ 69.048490][ T8582] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.056724][ T8582] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.064768][ T8582] device bridge_slave_0 entered promiscuous mode [ 69.074700][ T8582] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.081846][ T8582] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.089528][ T8582] device bridge_slave_1 entered promiscuous mode [ 69.110560][ T8582] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.126480][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.134583][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.168786][ T8582] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.195892][ T8574] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.213163][ T8577] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.286959][ T8582] team0: Port device team_slave_0 added [ 69.295285][ T8582] team0: Port device team_slave_1 added [ 69.309488][ T8577] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.360809][ T8577] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.424348][ T8577] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.467785][ T8584] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.475383][ T8584] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.483768][ T8584] device bridge_slave_0 entered promiscuous mode [ 69.499779][ T8584] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.507825][ T8584] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.515727][ T8584] device bridge_slave_1 entered promiscuous mode [ 69.538543][ T8584] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.554016][ T8584] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.579772][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.589551][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.598065][ T2945] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.605137][ T2945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.625044][ T8588] chnl_net:caif_netlink_parms(): no params data found [ 69.636316][ T8584] team0: Port device team_slave_0 added [ 69.674804][ T8582] device hsr_slave_0 entered promiscuous mode [ 69.732334][ T8582] device hsr_slave_1 entered promiscuous mode [ 69.791759][ T8582] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.799382][ T8582] Cannot create hsr debugfs directory [ 69.806063][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.816971][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.825597][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.832665][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.840253][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.876901][ T8584] team0: Port device team_slave_1 added [ 69.894820][ T8579] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.936569][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.945305][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.953889][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.962401][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.970738][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.980823][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.988887][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.997206][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.054639][ T8584] device hsr_slave_0 entered promiscuous mode [ 70.111974][ T8584] device hsr_slave_1 entered promiscuous mode [ 70.171852][ T8584] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.179402][ T8584] Cannot create hsr debugfs directory [ 70.185082][ T8579] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.253388][ T8579] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.319266][ T8579] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.368435][ T8577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.376579][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.386624][ T2819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.412484][ T8588] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.419542][ T8588] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.428622][ T8588] device bridge_slave_0 entered promiscuous mode [ 70.445779][ T8588] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.453611][ T8588] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.461330][ T8588] device bridge_slave_1 entered promiscuous mode [ 70.483613][ T8574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.526130][ T8588] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.536538][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.547258][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.574354][ T8588] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.584972][ T8577] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.613783][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.624261][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.632878][ T2938] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.639919][ T2938] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.668143][ T8588] team0: Port device team_slave_0 added [ 70.675803][ T8582] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.745376][ T8574] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.752614][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.762267][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.769685][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.787948][ T8584] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.864330][ T8588] team0: Port device team_slave_1 added [ 70.870127][ T8584] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.933630][ T8582] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.974355][ T8582] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.013847][ T8582] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.074367][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.083630][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.092402][ T2938] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.099459][ T2938] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.108992][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.117503][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.126261][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.135071][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.157628][ T8584] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 71.235356][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.293486][ T8588] device hsr_slave_0 entered promiscuous mode [ 71.342162][ T8588] device hsr_slave_1 entered promiscuous mode [ 71.381643][ T8588] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.389240][ T8588] Cannot create hsr debugfs directory [ 71.395890][ T8584] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.471241][ T8579] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.483220][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.493781][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.535450][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.545911][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.597984][ T8588] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.663437][ T8588] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.702980][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.712175][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.720769][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.729243][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.745972][ T8577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.758226][ T8588] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.808052][ T8588] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.909608][ T8574] device veth0_vlan entered promiscuous mode [ 71.916847][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.925799][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.935046][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.944528][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.954911][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.963645][ T2938] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.987329][ T8574] device veth1_vlan entered promiscuous mode [ 72.003263][ T8579] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.044048][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.052943][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.061017][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.071446][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.080523][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.087642][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.096860][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.115799][ T8577] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.124042][ T3142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.131474][ T3142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.139404][ T3142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.148416][ T3142] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.159929][ T3142] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.167018][ T3142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.197278][ T8584] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.226433][ T8582] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.251236][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.272862][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.286932][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.307842][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.333388][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 177.271544][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.278359][ C1] rcu: 1-...!: (10499 ticks this GP) idle=672/1/0x4000000000000002 softirq=13434/13434 fqs=42 [ 177.288926][ C1] (t=10500 jiffies g=7001 q=181) [ 177.294036][ C1] rcu: rcu_preempt kthread starved for 10416 jiffies! g7001 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 177.305118][ C1] rcu: RCU grace-period kthread stack dump: [ 177.310993][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 177.318883][ C1] Call Trace: [ 177.322171][ C1] __schedule+0x9a0/0xcc0 [ 177.326517][ C1] schedule+0x181/0x210 [ 177.330663][ C1] schedule_timeout+0x14f/0x240 [ 177.335501][ C1] ? run_local_timers+0x120/0x120 [ 177.340523][ C1] rcu_gp_kthread+0xed8/0x1770 [ 177.353556][ C1] kthread+0x332/0x350 [ 177.357640][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 177.362814][ C1] ? kthread_blkcg+0xe0/0xe0 [ 177.367428][ C1] ret_from_fork+0x24/0x30 [ 177.371856][ C1] NMI backtrace for cpu 1 [ 177.376183][ C1] CPU: 1 PID: 8574 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.384780][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.394841][ C1] Call Trace: [ 177.398119][ C1] [ 177.401051][ C1] dump_stack+0x1fb/0x318 [ 177.405377][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.410214][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.416360][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.422419][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.428390][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.434270][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.439540][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.444743][ C1] ? trace_hardirqs_off+0x74/0x80 [ 177.449874][ C1] update_process_times+0x12d/0x180 [ 177.455174][ C1] tick_sched_timer+0x263/0x420 [ 177.460570][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.466121][ C1] __hrtimer_run_queues+0x403/0x840 [ 177.471335][ C1] hrtimer_interrupt+0x38c/0xda0 [ 177.476291][ C1] ? debug_smp_processor_id+0x9/0x20 [ 177.481585][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 177.487123][ C1] apic_timer_interrupt+0xf/0x20 [ 177.492045][ C1] [ 177.495000][ C1] RIP: 0010:free_thread_stack+0x133/0x590 [ 177.500710][ C1] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 177.520488][ C1] RSP: 0018:ffffc90001ea7bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.528888][ C1] RAX: 0000000000000001 RBX: ffffea000289ba80 RCX: 0000000000000000 [ 177.536850][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000289ba80 [ 177.544813][ C1] RBP: ffffc90001ea7c08 R08: 000000000003a728 R09: ffffed10150216e9 [ 177.552772][ C1] R10: ffffed10150216e9 R11: 0000000000000000 R12: ffff8880a83167a0 [ 177.560744][ C1] R13: dffffc0000000000 R14: 1ffff11015062cf4 R15: ffff8880a810b738 [ 177.568732][ C1] put_task_stack+0xa3/0x130 [ 177.573313][ C1] finish_task_switch+0x3f1/0x550 [ 177.578331][ C1] __schedule+0x9a8/0xcc0 [ 177.582658][ C1] schedule+0x181/0x210 [ 177.586817][ C1] do_nanosleep+0x1d0/0x6c0 [ 177.591406][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 177.596351][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 177.602163][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 177.607273][ C1] do_syscall_64+0xf7/0x1c0 [ 177.611770][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.617652][ C1] RIP: 0033:0x4593f0 [ 177.621806][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 177.641418][ C1] RSP: 002b:00007ffe0a3a2008 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 177.649837][ C1] RAX: ffffffffffffffda RBX: 0000000000011a42 RCX: 00000000004593f0 [ 177.657820][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe0a3a2010 [ 177.665812][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001c04940 [ 177.673781][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 177.681747][ C1] R13: 00007ffe0a3a2060 R14: 0000000000011a2a R15: 00007ffe0a3a2070