[ 43.931053][ T23] audit: type=1800 audit(1575398022.230:25): pid=8056 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.963542][ T23] audit: type=1800 audit(1575398022.230:26): pid=8056 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.007516][ T23] audit: type=1800 audit(1575398022.230:27): pid=8056 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.035120][ T23] audit: type=1800 audit(1575398022.230:28): pid=8056 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 '10.128.0.119' (ECDSA) to the list of known hosts. 2019/12/03 18:33:50 fuzzer started 2019/12/03 18:33:52 dialing manager at 10.128.0.26:42111 2019/12/03 18:33:52 syscalls: 2689 2019/12/03 18:33:52 code coverage: enabled 2019/12/03 18:33:52 comparison tracing: enabled 2019/12/03 18:33:52 extra coverage: extra coverage is not supported by the kernel 2019/12/03 18:33:52 setuid sandbox: enabled 2019/12/03 18:33:52 namespace sandbox: enabled 2019/12/03 18:33:52 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 18:33:52 fault injection: enabled 2019/12/03 18:33:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 18:33:52 net packet injection: enabled 2019/12/03 18:33:52 net device setup: enabled 2019/12/03 18:33:52 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 18:33:52 devlink PCI setup: PCI device 0000:00:10.0 is not available 18:33:53 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000840)={0xffffffffffffffff, 0xffffffffffffffff}) dup2(r0, r1) recvfrom$unix(r0, &(0x7f0000000180), 0x832f1f7d, 0x0, &(0x7f0000000140)=@abs, 0x20e94f86) 18:33:53 executing program 1: 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$trusted_overlay_redirect(r0, 0x0, &(0x7f0000000180)='./file0\x00', 0x8, 0x6095feb4c6236666) socketpair$unix(0x1, 0x0, 0x0, &(0x7f00000000c0)) r1 = dup(0xffffffffffffffff) connect$tipc(r1, 0x0, 0x0) syz_mount_image$vfat(&(0x7f0000000540)='vfat\x00', &(0x7f00000002c0)='./file0\x00', 0x800000000e004, 0x1, &(0x7f0000000380)=[{&(0x7f0000000100)="eb3c906d6b66732e666174000204010002000270fff8", 0x16}], 0x0, 0x0) r2 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) fchdir(r2) 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, 0x9, @perf_config_ext, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = open(&(0x7f0000000080)='./file0\x00', 0x1070c5, 0x0) r4 = open$dir(&(0x7f0000000380)='./file0\x00', 0x8000000000006000, 0x0) write$9p(r3, &(0x7f0000001400)="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", 0x600) sendfile(r3, r4, 0x0, 0x10000) ioctl$DRM_IOCTL_GEM_FLINK(0xffffffffffffffff, 0xc008640a, 0x0) creat(&(0x7f0000000280)='./file0\x00', 0x0) syzkaller login: [ 55.566077][ T8221] IPVS: ftp: loaded support on port[0] = 21 [ 55.645132][ T8223] IPVS: ftp: loaded support on port[0] = 21 18:33:54 executing program 2: r0 = socket$kcm(0xa, 0x2, 0x73) bind(r0, &(0x7f0000000080)=@in6={0xa, 0x0, 0x0, @mcast1}, 0x80) [ 55.813769][ T8221] chnl_net:caif_netlink_parms(): no params data found [ 55.857306][ T8223] chnl_net:caif_netlink_parms(): no params data found [ 55.894212][ T8221] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.902002][ T8221] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.910921][ T8221] device bridge_slave_0 entered promiscuous mode [ 55.923053][ T8221] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.930363][ T8221] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.938662][ T8221] device bridge_slave_1 entered promiscuous mode [ 55.965402][ T8221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.977220][ T8221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 18:33:54 executing program 3: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$sock_ifreq(r0, 0x8916, 0x0) [ 56.014700][ T8227] IPVS: ftp: loaded support on port[0] = 21 [ 56.014822][ T8221] team0: Port device team_slave_0 added [ 56.027853][ T8223] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.035019][ T8223] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.060242][ T8223] device bridge_slave_0 entered promiscuous mode [ 56.075623][ T8221] team0: Port device team_slave_1 added [ 56.108182][ T8223] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.115259][ T8223] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.140225][ T8223] device bridge_slave_1 entered promiscuous mode 18:33:54 executing program 4: unshare(0x400) r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) r1 = socket$key(0xf, 0x3, 0x2) splice(r0, 0x0, r1, 0x0, 0x4, 0x0) [ 56.220379][ T8221] device hsr_slave_0 entered promiscuous mode [ 56.248165][ T8221] device hsr_slave_1 entered promiscuous mode [ 56.341322][ T8230] IPVS: ftp: loaded support on port[0] = 21 [ 56.350743][ T8223] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.408483][ T8223] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 18:33:54 executing program 5: sendmsg(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040), 0x1, 0x0, 0x2aa, 0x20000001}, 0x0) socketpair(0x1, 0x1, 0x0, &(0x7f0000000740)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x89f3, &(0x7f0000000080)='ip6tnl0\x00') [ 56.497285][ T8221] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.571660][ T8221] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.640154][ T8223] team0: Port device team_slave_0 added [ 56.645974][ T8221] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.699171][ T8221] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.787715][ T8235] IPVS: ftp: loaded support on port[0] = 21 [ 56.791466][ T8223] team0: Port device team_slave_1 added [ 56.806292][ T8232] IPVS: ftp: loaded support on port[0] = 21 [ 56.833835][ T8227] chnl_net:caif_netlink_parms(): no params data found [ 56.879298][ T8223] device hsr_slave_0 entered promiscuous mode [ 56.938118][ T8223] device hsr_slave_1 entered promiscuous mode [ 56.997616][ T8223] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.091125][ T8230] chnl_net:caif_netlink_parms(): no params data found [ 57.107701][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.114791][ T8227] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.122863][ T8227] device bridge_slave_0 entered promiscuous mode [ 57.131067][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.139216][ T8227] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.146952][ T8227] device bridge_slave_1 entered promiscuous mode [ 57.202564][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.211887][ T8230] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.219640][ T8230] device bridge_slave_0 entered promiscuous mode [ 57.227027][ T8223] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.290379][ T8223] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.360481][ T8223] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.401317][ T8227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.414387][ T8227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.424021][ T8230] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.432157][ T8230] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.441090][ T8230] device bridge_slave_1 entered promiscuous mode [ 57.455608][ T8223] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.536712][ T8227] team0: Port device team_slave_0 added [ 57.545175][ T8227] team0: Port device team_slave_1 added [ 57.561299][ T8230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.601907][ T8221] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.613046][ T8230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.634363][ T8230] team0: Port device team_slave_0 added [ 57.680138][ T8227] device hsr_slave_0 entered promiscuous mode [ 57.717898][ T8227] device hsr_slave_1 entered promiscuous mode [ 57.757679][ T8227] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.796586][ T8230] team0: Port device team_slave_1 added [ 57.825901][ T8232] chnl_net:caif_netlink_parms(): no params data found [ 57.866512][ T8235] chnl_net:caif_netlink_parms(): no params data found [ 57.903951][ T8235] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.911915][ T8235] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.919979][ T8235] device bridge_slave_0 entered promiscuous mode [ 57.931266][ T8221] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.944930][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.953883][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.980312][ T8230] device hsr_slave_0 entered promiscuous mode [ 58.027810][ T8230] device hsr_slave_1 entered promiscuous mode [ 58.067759][ T8230] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.083484][ T8223] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.091828][ T8235] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.104779][ T8235] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.112541][ T8235] device bridge_slave_1 entered promiscuous mode [ 58.134682][ T8227] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.193033][ T8227] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.289239][ T8227] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.343372][ T8227] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.401126][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.409830][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.418821][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.425976][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.434282][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.443754][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.452302][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.459381][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.466884][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.476712][ T8235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.493005][ T8235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.512685][ T8232] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.519876][ T8232] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.527681][ T8232] device bridge_slave_0 entered promiscuous mode [ 58.538257][ T8232] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.546019][ T8232] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.553816][ T8232] device bridge_slave_1 entered promiscuous mode [ 58.562994][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.572430][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.594215][ T8230] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.643466][ T8230] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.709163][ T8230] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.769289][ T8230] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.820327][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.828716][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.846783][ T8232] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.860255][ T8235] team0: Port device team_slave_0 added [ 58.867767][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.876626][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.887694][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.896382][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.923206][ T8223] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.931303][ T8232] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.945042][ T8221] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.956355][ T8221] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.971385][ T8235] team0: Port device team_slave_1 added [ 58.979219][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.986919][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.995830][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.004675][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.013230][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.022094][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.062713][ T8229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.071959][ T8229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.080770][ T8229] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.087858][ T8229] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.096447][ T8229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.105084][ T8229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.114027][ T8229] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.121122][ T8229] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.134919][ T8227] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.149133][ T8232] team0: Port device team_slave_0 added [ 59.180872][ T8235] device hsr_slave_0 entered promiscuous mode [ 59.218005][ T8235] device hsr_slave_1 entered promiscuous mode [ 59.267605][ T8235] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.275950][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.284827][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.297708][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.306214][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.315348][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.324636][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.334181][ T8232] team0: Port device team_slave_1 added [ 59.358131][ T8227] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.388767][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.399945][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.410193][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.418113][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.425737][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.434047][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.441694][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.451827][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.460197][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.469036][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.486829][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.495864][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.504946][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.512058][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.522293][ T8221] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.551000][ T8223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.563909][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.572022][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.580901][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.589878][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.596926][ T8237] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.604887][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.613629][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.669630][ T8232] device hsr_slave_0 entered promiscuous mode [ 59.717831][ T8232] device hsr_slave_1 entered promiscuous mode [ 59.787584][ T8232] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.809351][ T8235] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.850505][ T8235] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.915736][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.924660][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.934246][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.943418][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.953052][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.961703][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.970942][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.978801][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.986612][ T8237] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.001727][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.028283][ T8238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.036872][ T8235] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 165.037430][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.044242][ C1] rcu: 1-...!: (10499 ticks this GP) idle=27e/1/0x4000000000000002 softirq=10849/10849 fqs=141 [ 165.055951][ C1] (t=10500 jiffies g=6289 q=81) [ 165.060926][ C1] rcu: rcu_preempt kthread starved for 10204 jiffies! g6289 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.072021][ C1] rcu: RCU grace-period kthread stack dump: [ 165.077909][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 165.086299][ C1] Call Trace: [ 165.089605][ C1] __schedule+0x9a0/0xcc0 [ 165.093934][ C1] schedule+0x181/0x210 [ 165.098083][ C1] schedule_timeout+0x14f/0x240 [ 165.102943][ C1] ? run_local_timers+0x120/0x120 [ 165.108565][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.113347][ C1] kthread+0x332/0x350 [ 165.117399][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.122501][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.127097][ C1] ret_from_fork+0x24/0x30 [ 165.131531][ C1] NMI backtrace for cpu 1 [ 165.135848][ C1] CPU: 1 PID: 8245 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 165.144100][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.154768][ C1] Call Trace: [ 165.158046][ C1] [ 165.160993][ C1] dump_stack+0x1fb/0x318 [ 165.165321][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.170161][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.176311][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.182378][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.188372][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.195051][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.203204][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.208455][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.213651][ C1] update_process_times+0x12d/0x180 [ 165.218946][ C1] tick_sched_timer+0x263/0x420 [ 165.223787][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.229321][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.234522][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.239465][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.244741][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.250275][ C1] apic_timer_interrupt+0xf/0x20 [ 165.255464][ C1] [ 165.258403][ C1] RIP: 0010:free_thread_stack+0x11f/0x590 [ 165.264199][ C1] Code: 3e e8 e5 96 ee ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 [ 165.284033][ C1] RSP: 0018:ffffc90001f676e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.292452][ C1] RAX: 1ffff110145ca101 RBX: ffffea00028c3740 RCX: 0000000000040000 [ 165.301369][ C1] RDX: ffffc900020d9000 RSI: 000000000003ffff RDI: 0000000000040000 [ 165.310224][ C1] RBP: ffffc90001f67720 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.318280][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a2e508a0 [ 165.326433][ C1] R13: dffffc0000000000 R14: 1ffff110145ca114 R15: ffff8880a8e23a68 [ 165.334969][ C1] ? free_thread_stack+0x168/0x590 [ 165.340778][ C1] put_task_stack+0xa3/0x130 [ 165.345365][ C1] finish_task_switch+0x3f1/0x550 [ 165.350409][ C1] __schedule+0x9a8/0xcc0 [ 165.354785][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.360354][ C1] preempt_schedule+0xdb/0x120 [ 165.365137][ C1] ___preempt_schedule+0x16/0x18 [ 165.370071][ C1] ? page_poisoning_enabled+0x1c/0x30 [ 165.375688][ C1] prep_new_page+0x161/0x2e0 [ 165.380288][ C1] get_page_from_freelist+0x850/0xaa0 [ 165.385714][ C1] __alloc_pages_nodemask+0x264/0x5d0 [ 165.391099][ C1] alloc_pages_vma+0x94a/0xd50 [ 165.396242][ C1] do_huge_pmd_anonymous_page+0x883/0xe50 [ 165.401980][ C1] handle_mm_fault+0x2017/0x2890 [ 165.406975][ C1] do_user_addr_fault+0x589/0xaf0 [ 165.412018][ C1] __do_page_fault+0xd3/0x1f0 [ 165.416703][ C1] do_page_fault+0x99/0xb0 [ 165.421145][ C1] page_fault+0x39/0x40 [ 165.425304][ C1] RIP: 0010:__put_user_4+0x1c/0x30 [ 165.430409][ C1] Code: 1f 00 c3 90 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 1c 25 c0 1d 02 00 48 8b 9b 90 14 00 00 48 83 eb 03 48 39 d9 73 4a 0f 1f 00 <89> 01 31 c0 0f 1f 00 c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 65 48 [ 165.450147][ C1] RSP: 0018:ffffc90001f67e68 EFLAGS: 00010293 [ 165.456336][ C1] RAX: 0000000000000003 RBX: 00007fffffffeffd RCX: 0000000020000840 [ 165.464324][ C1] RDX: dffffc0000000000 RSI: ffff8880a2d0a8f8 RDI: 0000000000000286 [ 165.472397][ C1] RBP: ffffc90001f67ed8 R08: dffffc0000000000 R09: fffffbfff12877ed [ 165.480467][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: 0000000000000005 [ 165.488446][ C1] R13: 0000000020000840 R14: 0000000000000004 R15: 0000000000000000 [ 165.496470][ C1] ? __sys_socketpair+0xbf/0xc90 [ 165.501420][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 165.507163][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 165.512888][ C1] __x64_sys_socketpair+0x9b/0xb0 [ 165.517936][ C1] do_syscall_64+0xf7/0x1c0 [ 165.522444][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.528344][ C1] RIP: 0033:0x45a679 [ 165.532765][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.552735][ C1] RSP: 002b:00007f0489255c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 [ 165.561706][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a679 [ 165.569692][ C1] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000001 [ 165.578802][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.587658][ C1] R10: 0000000020000840 R11: 0000000000000246 R12: 00007f04892566d4 [ 165.595652][ C1] R13: 00000000004ca783 R14: 00000000004e39b8 R15: 00000000ffffffff