[ 43.341716][ T26] audit: type=1800 audit(1575449700.000:27): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 43.376356][ T26] audit: type=1800 audit(1575449700.010:28): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.183960][ T26] audit: type=1800 audit(1575449700.870:29): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 44.203454][ T26] audit: type=1800 audit(1575449700.880:30): pid=7996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.254' (ECDSA) to the list of known hosts. 2019/12/04 08:55:10 fuzzer started 2019/12/04 08:55:11 dialing manager at 10.128.0.26:36481 2019/12/04 08:55:11 syscalls: 2691 2019/12/04 08:55:11 code coverage: enabled 2019/12/04 08:55:11 comparison tracing: enabled 2019/12/04 08:55:11 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:55:11 setuid sandbox: enabled 2019/12/04 08:55:11 namespace sandbox: enabled 2019/12/04 08:55:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:55:11 fault injection: enabled 2019/12/04 08:55:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:55:11 net packet injection: enabled 2019/12/04 08:55:11 net device setup: enabled 2019/12/04 08:55:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:55:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:55:12 executing program 0: syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000280)=[{&(0x7f0000000040)="eb64c86d4f662d8c00c8c90060f88ea5", 0xffffffffffffff01, 0x3}], 0x800c, 0x0) 08:55:12 executing program 1: r0 = socket$inet6(0xa, 0x802, 0x73) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) sendmmsg$inet6(r0, &(0x7f0000001840)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x8}, 0x1c, 0x0, 0x0, &(0x7f0000000480)=[@pktinfo={{0x24, 0x29, 0x32, {@mcast1, r2}}}], 0x28}}], 0x1, 0x0) syzkaller login: [ 55.894596][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 56.053836][ T8158] chnl_net:caif_netlink_parms(): no params data found 08:55:12 executing program 2: pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) splice(r0, 0x0, r2, 0x0, 0x1420000a74, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=ANY=[@ANYBLOB="280000001e000102000000000000000007000000", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\n\x00]'], 0x3}}, 0x0) write$binfmt_elf64(r1, &(0x7f0000000000)=ANY=[], 0xfeae) [ 56.112633][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.121625][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.129895][ T8158] device bridge_slave_0 entered promiscuous mode [ 56.139450][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.146611][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.165389][ T8158] device bridge_slave_1 entered promiscuous mode [ 56.218809][ T8161] IPVS: ftp: loaded support on port[0] = 21 [ 56.228817][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.252465][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.312742][ T8163] IPVS: ftp: loaded support on port[0] = 21 [ 56.324287][ T8158] team0: Port device team_slave_0 added [ 56.346124][ T8158] team0: Port device team_slave_1 added 08:55:13 executing program 3: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x0, 0x0, @loopback}}}, &(0x7f0000000280)=0x98) [ 56.479585][ T8158] device hsr_slave_0 entered promiscuous mode [ 56.517220][ T8158] device hsr_slave_1 entered promiscuous mode 08:55:13 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000140)=0x5, 0x4) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r2, 0x10e, 0x2, &(0x7f0000000000)=0x5, 0x4) [ 56.619298][ T8166] IPVS: ftp: loaded support on port[0] = 21 [ 56.641333][ T8161] chnl_net:caif_netlink_parms(): no params data found [ 56.651305][ T8158] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.710037][ T8158] netdevsim netdevsim0 netdevsim1: renamed from eth1 08:55:13 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x10032, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) r3 = socket(0x2, 0x803, 0xff) r4 = open(&(0x7f0000000300)='.\x00', 0x0, 0x0) r5 = fcntl$dupfd(r3, 0x0, r4) setsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x83, 0x0, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = dup2(r0, r2) dup3(r6, r1, 0x0) [ 56.810852][ T8158] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.909458][ T8163] chnl_net:caif_netlink_parms(): no params data found [ 56.921635][ T8158] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.001550][ T8169] IPVS: ftp: loaded support on port[0] = 21 [ 57.020583][ T8171] IPVS: ftp: loaded support on port[0] = 21 [ 57.039329][ T8161] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.046436][ T8161] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.054589][ T8161] device bridge_slave_0 entered promiscuous mode [ 57.063883][ T8161] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.071100][ T8161] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.079021][ T8161] device bridge_slave_1 entered promiscuous mode [ 57.109342][ T8163] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.116428][ T8163] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.126463][ T8163] device bridge_slave_0 entered promiscuous mode [ 57.135788][ T8163] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.143048][ T8163] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.150912][ T8163] device bridge_slave_1 entered promiscuous mode [ 57.194677][ T8161] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.224377][ T8163] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.236437][ T8163] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.247537][ T8161] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.292325][ T8161] team0: Port device team_slave_0 added [ 57.301410][ T8161] team0: Port device team_slave_1 added [ 57.313454][ T8163] team0: Port device team_slave_0 added [ 57.323310][ T8163] team0: Port device team_slave_1 added [ 57.410024][ T8161] device hsr_slave_0 entered promiscuous mode [ 57.457685][ T8161] device hsr_slave_1 entered promiscuous mode [ 57.497400][ T8161] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.523311][ T8169] chnl_net:caif_netlink_parms(): no params data found [ 57.589203][ T8166] chnl_net:caif_netlink_parms(): no params data found [ 57.601066][ T8169] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.608541][ T8169] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.616188][ T8169] device bridge_slave_0 entered promiscuous mode [ 57.670420][ T8163] device hsr_slave_0 entered promiscuous mode [ 57.707314][ T8163] device hsr_slave_1 entered promiscuous mode [ 57.767046][ T8163] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.800611][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.810449][ T8169] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.818872][ T8169] device bridge_slave_1 entered promiscuous mode [ 57.825839][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 57.853064][ T8161] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.913216][ T8161] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.956392][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.963703][ T8166] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.971708][ T8166] device bridge_slave_0 entered promiscuous mode [ 57.983477][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.991287][ T8166] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.999099][ T8166] device bridge_slave_1 entered promiscuous mode [ 58.011230][ T8161] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.072661][ T8161] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.132767][ T8169] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.144950][ T8169] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.160724][ T8163] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.215958][ T8166] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.230581][ T8166] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.260988][ T8163] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.334691][ T8166] team0: Port device team_slave_0 added [ 58.341178][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.348605][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.356223][ T8171] device bridge_slave_0 entered promiscuous mode [ 58.363736][ T8163] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.431228][ T8158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.439707][ T8169] team0: Port device team_slave_0 added [ 58.447546][ T8166] team0: Port device team_slave_1 added [ 58.456711][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.464510][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.472367][ T8171] device bridge_slave_1 entered promiscuous mode [ 58.480014][ T8163] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.551749][ T8169] team0: Port device team_slave_1 added [ 58.587750][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.599031][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.620572][ T8158] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.630048][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.639272][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.709620][ T8166] device hsr_slave_0 entered promiscuous mode [ 58.747333][ T8166] device hsr_slave_1 entered promiscuous mode [ 58.787073][ T8166] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.807267][ T8171] team0: Port device team_slave_0 added [ 58.815731][ T8171] team0: Port device team_slave_1 added [ 58.860212][ T8169] device hsr_slave_0 entered promiscuous mode [ 58.897324][ T8169] device hsr_slave_1 entered promiscuous mode [ 58.937100][ T8169] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.972570][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.981761][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.992218][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.999413][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.009105][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.017762][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.026063][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.033159][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.099343][ T8171] device hsr_slave_0 entered promiscuous mode [ 59.137283][ T8171] device hsr_slave_1 entered promiscuous mode [ 59.177081][ T8171] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.206071][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.215025][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.223842][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.245737][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.254685][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.275704][ T8163] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.294373][ T8166] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.371471][ T8166] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.429175][ T8166] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.478904][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.487212][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.495609][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.510608][ T8161] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.534247][ T8158] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.545869][ T8158] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.560598][ T8166] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.623380][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.631723][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.641001][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.650130][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.658575][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.670155][ T8169] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.721627][ T8169] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.779687][ T8169] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.833487][ T8169] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.902406][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.910890][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.923837][ T8161] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.942573][ T8163] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.951180][ T8171] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.032837][ T8171] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.096200][ T8171] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.151236][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.158932][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.166548][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.175604][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.184020][ T3892] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.191389][ T3892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.213891][ T8158] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.231043][ T8171] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.258731][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.266547][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.275258][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.283539][ T8172] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.290612][ T8172] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.298782][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.307798][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.316063][ T8172] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.323168][ T8172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.330764][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.339458][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.346957][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.354367][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.362965][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.371408][ T8172] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.378500][ T8172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.385992][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.395210][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.431673][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.441431][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.450291][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.459053][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.467609][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.475928][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.484744][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.493284][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.502210][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.510857][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.519783][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.528177][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.537964][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.545698][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.571090][ T8161] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.587529][ T8161] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.615543][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.624432][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.634558][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.647228][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.655595][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.692470][ T8161] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.712571][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.737625][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.751167][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.758769][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.767276][ T8163] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.786842][ T8166] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.807821][ T8166] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.851580][ T8169] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.871064][ T8169] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.912706][ T8169] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.926976][ T8169] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.961656][ T8169] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.736859][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.743898][ C1] rcu: 1-...!: (10499 ticks this GP) idle=d8e/1/0x4000000000000002 softirq=12194/12194 fqs=11 [ 165.754836][ C1] (t=10501 jiffies g=6237 q=590) [ 165.759873][ C1] rcu: rcu_preempt kthread starved for 10479 jiffies! g6237 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.771453][ C1] rcu: RCU grace-period kthread stack dump: [ 165.777786][ C1] rcu_preempt R running task 28992 10 2 0x80004000 [ 165.786043][ C1] Call Trace: [ 165.789353][ C1] __schedule+0x9a0/0xcc0 [ 165.793707][ C1] schedule+0x181/0x210 [ 165.797875][ C1] schedule_timeout+0x14f/0x240 [ 165.802918][ C1] ? run_local_timers+0x120/0x120 [ 165.808023][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.812810][ C1] kthread+0x332/0x350 [ 165.816880][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.822006][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.826595][ C1] ret_from_fork+0x24/0x30 [ 165.831061][ C1] NMI backtrace for cpu 1 [ 165.835478][ C1] CPU: 1 PID: 8182 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 165.843865][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.854622][ C1] Call Trace: [ 165.857906][ C1] [ 165.860802][ C1] dump_stack+0x1fb/0x318 [ 165.865129][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.870329][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.876489][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.882668][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.888656][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.894546][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.899728][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.904973][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.909995][ C1] update_process_times+0x12d/0x180 [ 165.915195][ C1] tick_sched_timer+0x263/0x420 [ 165.920043][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.925588][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.930808][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.935759][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.941044][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.946702][ C1] apic_timer_interrupt+0xf/0x20 [ 165.951635][ C1] [ 165.954662][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x50 [ 165.961123][ C1] Code: 0c 25 c0 1d 02 00 65 8b 15 38 84 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> 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 [ 165.981000][ C1] RSP: 0018:ffffc90002257740 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.989410][ C1] RAX: ffffffff81487326 RBX: ffffea00029cb240 RCX: ffff888097dc6040 [ 165.997992][ C1] RDX: ffffc90001ec9000 RSI: 000000000003ffff RDI: ffffea00029cb240 [ 166.006142][ C1] RBP: ffffc90002257768 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.014126][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888092a867a0 [ 166.022294][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809f47b728 [ 166.030371][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.035664][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.040949][ C1] free_thread_stack+0x168/0x590 [ 166.046018][ C1] put_task_stack+0xa3/0x130 [ 166.050706][ C1] finish_task_switch+0x3f1/0x550 [ 166.055739][ C1] __schedule+0x9a8/0xcc0 [ 166.060197][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.065321][ C1] preempt_schedule+0xdb/0x120 [ 166.070212][ C1] ___preempt_schedule+0x16/0x18 [ 166.075192][ C1] ? __lru_cache_add+0x20e/0x290 [ 166.080188][ C1] ? __lru_cache_add+0x236/0x290 [ 166.085139][ C1] __lru_cache_add+0x23b/0x290 [ 166.089907][ C1] lru_cache_add_anon+0x1bf/0x230 [ 166.094974][ C1] shmem_getpage_gfp+0x185b/0x2f80 [ 166.100320][ C1] shmem_write_begin+0xcb/0x1b0 [ 166.105268][ C1] generic_perform_write+0x25d/0x4e0 [ 166.110565][ C1] __generic_file_write_iter+0x235/0x500 [ 166.116211][ C1] generic_file_write_iter+0x48e/0x630 [ 166.121682][ C1] __vfs_write+0x5a1/0x740 [ 166.126146][ C1] vfs_write+0x275/0x590 [ 166.130392][ C1] __x64_sys_pwrite64+0x162/0x1d0 [ 166.135420][ C1] do_syscall_64+0xf7/0x1c0 [ 166.139928][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.145820][ C1] RIP: 0033:0x414477 [ 166.149718][ C1] Code: 12 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a1 18 00 00 c3 48 83 ec 08 e8 a7 f9 ff ff 48 89 04 24 49 89 ca b8 12 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 ed f9 ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 166.169508][ C1] RSP: 002b:00007f5f35d87a80 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 166.178020][ C1] RAX: ffffffffffffffda RBX: 0000000020000290 RCX: 0000000000414477 [ 166.186010][ C1] RDX: 0000000008100000 RSI: 0000000020000040 RDI: 0000000000000003 [ 166.193982][ C1] RBP: 0000000000000000 R08: fe03f80fe03f80ff R09: 0000000000000000 [ 166.201956][ C1] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 [ 166.209929][ C1] R13: 00000000004cab3e R14: 00000000004e3fc0 R15: 00000000ffffffff