[ 44.785180][ T27] audit: type=1800 audit(1578445841.880:25): pid=8328 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.803987][ T27] audit: type=1800 audit(1578445841.880:26): pid=8328 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.863162][ T27] audit: type=1800 audit(1578445841.890:27): pid=8328 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.892788][ T27] audit: type=1800 audit(1578445841.890:28): pid=8328 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.56' (ECDSA) to the list of known hosts. 2020/01/08 01:10:53 fuzzer started 2020/01/08 01:10:54 dialing manager at 10.128.0.26:35703 2020/01/08 01:10:58 syscalls: 2824 2020/01/08 01:10:58 code coverage: enabled 2020/01/08 01:10:58 comparison tracing: enabled 2020/01/08 01:10:58 extra coverage: enabled 2020/01/08 01:10:58 setuid sandbox: enabled 2020/01/08 01:10:58 namespace sandbox: enabled 2020/01/08 01:10:58 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:10:58 fault injection: enabled 2020/01/08 01:10:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:10:58 net packet injection: enabled 2020/01/08 01:10:58 net device setup: enabled 2020/01/08 01:10:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:10:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:10:59 executing program 0: fallocate(0xffffffffffffffff, 0x14, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) fsetxattr$trusted_overlay_redirect(r0, &(0x7f0000000140)='trusted.overlay.redirect\x00', &(0x7f0000000180)='./file0\x00', 0x8, 0x0) socketpair$unix(0x1, 0x0, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r2 = dup(r1) connect$tipc(r2, 0x0, 0x0) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000380)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x0, 0x0) r3 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r3) ftruncate(0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r4 = open(&(0x7f0000000080)='./file0\x00', 0x1070c5, 0x0) r5 = open$dir(&(0x7f0000000380)='./file0\x00', 0x8000000000006000, 0x0) write$9p(r4, &(0x7f0000001400)="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", 0x5f4) sendfile(r4, r5, 0x0, 0x10000) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, 0x0) creat(&(0x7f0000000280)='./file0\x00', 0x0) 01:10:59 executing program 1: syz_mount_image$xfs(&(0x7f0000000000)='xfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)={[{@grpquota='grpquota'}]}) syzkaller login: [ 62.235453][ T8495] IPVS: ftp: loaded support on port[0] = 21 [ 62.335040][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 62.415324][ T8495] chnl_net:caif_netlink_parms(): no params data found [ 62.464581][ T8498] chnl_net:caif_netlink_parms(): no params data found 01:10:59 executing program 2: r0 = syz_open_dev$video(&(0x7f00000012c0)='/dev/video#\x00', 0x0, 0x0) ioctl$VIDIOC_QBUF(r0, 0xc058560f, &(0x7f0000001180)={0x0, 0xa, 0x4, 0x0, 0x0, {}, {}, 0x0, 0x0, @offset, 0x0, 0x2}) [ 62.519315][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.528949][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.537243][ T8498] device bridge_slave_0 entered promiscuous mode [ 62.564837][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.571932][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.593890][ T8498] device bridge_slave_1 entered promiscuous mode [ 62.636766][ T8495] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.654066][ T8495] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.673294][ T8495] device bridge_slave_0 entered promiscuous mode [ 62.704522][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.714691][ T8495] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.721764][ T8495] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.734182][ T8495] device bridge_slave_1 entered promiscuous mode [ 62.755707][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 62.761941][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.775845][ T8495] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 01:10:59 executing program 3: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f00000000c0)=0x4, 0x4) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f0000000100)={&(0x7f0000000000)=""/17, 0x20000, 0x1000}, 0x18) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000800)=0x8, 0x4) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f0000000080)=0x80, 0x4) r1 = socket$inet6(0xa, 0x5, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000001c0)={'veth0\x00', 0x0}) bind$xdp(r0, &(0x7f0000000300)={0x2c, 0x6, r2}, 0x10) [ 62.803549][ T8498] team0: Port device team_slave_0 added [ 62.810689][ T8495] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.842006][ T8498] team0: Port device team_slave_1 added [ 62.889951][ T8495] team0: Port device team_slave_0 added [ 62.914212][ T8495] team0: Port device team_slave_1 added [ 62.945868][ T8498] device hsr_slave_0 entered promiscuous mode [ 62.983416][ T8498] device hsr_slave_1 entered promiscuous mode 01:11:00 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_xfrm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000bfff0)={&(0x7f0000000480)=@updpolicy={0xfc, 0x19, 0x1, 0x0, 0x0, {{@in6=@empty, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0xa}}, [@tmpl={0x44, 0x5, [{{@in=@multicast1, 0x0, 0x2b}, 0x0, @in6=@rand_addr="65af452078575ecec158c5b0ac88216c"}]}]}, 0xfc}}, 0x0) [ 63.115559][ T8495] device hsr_slave_0 entered promiscuous mode 01:11:00 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cgroup.controllers\x00', 0x2761, 0x0) write$cgroup_int(r0, 0x0, 0x0) [ 63.183659][ T8495] device hsr_slave_1 entered promiscuous mode [ 63.243399][ T8495] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.251157][ T8495] Cannot create hsr debugfs directory [ 63.280937][ T8506] IPVS: ftp: loaded support on port[0] = 21 [ 63.282524][ T8504] IPVS: ftp: loaded support on port[0] = 21 [ 63.435374][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 63.525202][ T8495] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.532847][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 63.558163][ T8495] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.620853][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.628374][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.636433][ T8502] device bridge_slave_0 entered promiscuous mode [ 63.648232][ T8498] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.726115][ T8498] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.785174][ T8495] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.835357][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.842460][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.850880][ T8502] device bridge_slave_1 entered promiscuous mode [ 63.871102][ T8498] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.929410][ T8498] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.974785][ T8495] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.018619][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.029569][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.069598][ T8502] team0: Port device team_slave_0 added [ 64.078609][ T8502] team0: Port device team_slave_1 added [ 64.157041][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 64.226022][ T8502] device hsr_slave_0 entered promiscuous mode [ 64.263522][ T8502] device hsr_slave_1 entered promiscuous mode [ 64.303244][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.310838][ T8502] Cannot create hsr debugfs directory [ 64.316568][ T8504] chnl_net:caif_netlink_parms(): no params data found [ 64.415992][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.423891][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.431685][ T8506] device bridge_slave_0 entered promiscuous mode [ 64.446832][ T8504] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.455069][ T8504] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.462640][ T8504] device bridge_slave_0 entered promiscuous mode [ 64.489335][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.497646][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.505605][ T8506] device bridge_slave_1 entered promiscuous mode [ 64.530787][ T8504] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.538003][ T8504] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.546107][ T8504] device bridge_slave_1 entered promiscuous mode [ 64.564655][ T8495] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.575967][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.586800][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.614058][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.622457][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.659715][ T8504] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.669871][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 64.705481][ T8495] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.713868][ T8504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.728520][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.736983][ T8506] team0: Port device team_slave_0 added [ 64.774201][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.790699][ T8504] team0: Port device team_slave_0 added [ 64.798436][ T8502] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.865439][ T8502] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.906302][ T8506] team0: Port device team_slave_1 added [ 64.912080][ T8502] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.959559][ T8502] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.008167][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.017132][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.025848][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.034752][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.043121][ T3939] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.050359][ T3939] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.064059][ T8504] team0: Port device team_slave_1 added [ 65.114962][ T8506] device hsr_slave_0 entered promiscuous mode [ 65.164007][ T8506] device hsr_slave_1 entered promiscuous mode [ 65.213449][ T8506] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.221066][ T8506] Cannot create hsr debugfs directory [ 65.229702][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.237102][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.245245][ T8509] device bridge_slave_0 entered promiscuous mode [ 65.256204][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.266125][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.276209][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.285043][ T3947] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.292147][ T3947] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.301204][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.310045][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.318473][ T3947] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.325568][ T3947] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.333303][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.341777][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.350725][ T3947] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.357852][ T3947] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.365961][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.375185][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.405265][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.412382][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.420875][ T8509] device bridge_slave_1 entered promiscuous mode [ 65.441386][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.450418][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.461272][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.470036][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.478711][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.487678][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.496340][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.504848][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.513021][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.521779][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.530389][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.539520][ T3947] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.557766][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.571608][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.601159][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.610173][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.618545][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.627963][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.636639][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.684796][ T8504] device hsr_slave_0 entered promiscuous mode [ 65.733769][ T8504] device hsr_slave_1 entered promiscuous mode [ 65.803287][ T8504] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.810877][ T8504] Cannot create hsr debugfs directory [ 65.830995][ T8509] team0: Port device team_slave_0 added [ 65.837923][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.846290][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.854418][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.862619][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.904782][ T8498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.913835][ T8509] team0: Port device team_slave_1 added [ 65.944873][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.953694][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.962337][ T8495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.005923][ T8509] device hsr_slave_0 entered promiscuous mode [ 66.044040][ T8509] device hsr_slave_1 entered promiscuous mode [ 66.073237][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.080955][ T8509] Cannot create hsr debugfs directory [ 66.172517][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.182682][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.209407][ T8495] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.218134][ T8504] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.265845][ T8504] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.318305][ T8504] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.380938][ T8504] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.444803][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.456655][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.480988][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.507269][ T8498] device veth0_vlan entered promiscuous mode [ 66.514378][ T8506] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.558779][ T8506] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.626937][ T8506] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.703033][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.711518][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.727496][ T8498] device veth1_vlan entered promiscuous mode [ 66.759330][ T8509] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.786227][ T8509] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.845495][ T8506] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.885745][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.893773][ T3939] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.916309][ T8495] device veth0_vlan entered promiscuous mode [ 66.926707][ T8509] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.960386][ T8509] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.005241][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.014325][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.022748][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.031014][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.039981][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.048057][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.062094][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.101808][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.120410][ T2669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.136317][ T8495] device veth1_vlan entered promiscuous mode [ 172.103055][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.109913][ C0] rcu: 0-...!: (10499 ticks this GP) idle=98a/1/0x4000000000000002 softirq=11549/11549 fqs=5 [ 172.120420][ C0] (t=10501 jiffies g=6561 q=246) [ 172.125436][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g6561 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.136521][ C0] rcu: RCU grace-period kthread stack dump: [ 172.142403][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.150290][ C0] Call Trace: [ 172.153577][ C0] __schedule+0x9a0/0xcc0 [ 172.157935][ C0] schedule+0x181/0x210 [ 172.162087][ C0] schedule_timeout+0x14f/0x240 [ 172.166930][ C0] ? run_local_timers+0x120/0x120 [ 172.171952][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.176728][ C0] kthread+0x332/0x350 [ 172.180785][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.185882][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.190463][ C0] ret_from_fork+0x24/0x30 [ 172.194878][ C0] NMI backtrace for cpu 0 [ 172.199198][ C0] CPU: 0 PID: 8498 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.207762][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.217802][ C0] Call Trace: [ 172.221074][ C0] [ 172.223930][ C0] dump_stack+0x1fb/0x318 [ 172.228272][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.233114][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.239262][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.245314][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.251286][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.257163][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.262269][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.267459][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.272475][ C0] update_process_times+0x12d/0x180 [ 172.277667][ C0] tick_sched_timer+0x263/0x420 [ 172.282505][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.288043][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.293255][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.298196][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.303477][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.309013][ C0] apic_timer_interrupt+0xf/0x20 [ 172.313935][ C0] [ 172.316994][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 172.323066][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 [ 172.342679][ C0] RSP: 0018:ffffc90001e67b98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.351169][ C0] RAX: 1ffffd400049714f RBX: 0000000000000000 RCX: ffff8880990fc200 [ 172.359133][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024b8a40 [ 172.367095][ C0] RBP: ffffc90001e67bc0 R08: 000000000003a728 R09: ffffed1012bb0ab9 [ 172.375059][ C0] R10: ffffed1012bb0ab9 R11: 0000000000000000 R12: dffffc0000000000 [ 172.383020][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888095d855b8 [ 172.391872][ C0] ? free_thread_stack+0x124/0x590 [ 172.396969][ C0] ? mod_memcg_page_state+0x123/0x190 [ 172.402347][ C0] free_thread_stack+0x168/0x590 [ 172.407276][ C0] put_task_stack+0xa3/0x130 [ 172.411861][ C0] finish_task_switch+0x3f1/0x550 [ 172.416886][ C0] __schedule+0x9a8/0xcc0 [ 172.421215][ C0] schedule+0x181/0x210 [ 172.425359][ C0] do_nanosleep+0x1d0/0x6c0 [ 172.429861][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 172.434793][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 172.440593][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 172.445697][ C0] do_syscall_64+0xf7/0x1c0 [ 172.450192][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.456070][ C0] RIP: 0033:0x4593f0 [ 172.459963][ C0] 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 [ 172.479554][ C0] RSP: 002b:00007fffeaf199a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 172.487957][ C0] RAX: ffffffffffffffda RBX: 00000000000105e3 RCX: 00000000004593f0 [ 172.495916][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fffeaf199b0 [ 172.503874][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000002344940 [ 172.511837][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 172.519794][ C0] R13: 00007fffeaf19a00 R14: 00000000000105e3 R15: 00007fffeaf19a10