[ 46.063011][ T28] audit: type=1800 audit(1578459253.091:26): pid=8270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.083353][ T28] audit: type=1800 audit(1578459253.091:27): pid=8270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 46.119423][ T28] audit: type=1800 audit(1578459253.091:28): pid=8270 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. [ 47.021640][ T28] audit: type=1800 audit(1578459254.071:29): pid=8270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. 2020/01/08 04:54:22 fuzzer started 2020/01/08 04:54:24 dialing manager at 10.128.0.26:35703 2020/01/08 04:54:24 syscalls: 2824 2020/01/08 04:54:24 code coverage: enabled 2020/01/08 04:54:24 comparison tracing: enabled 2020/01/08 04:54:24 extra coverage: enabled 2020/01/08 04:54:24 setuid sandbox: enabled 2020/01/08 04:54:24 namespace sandbox: enabled 2020/01/08 04:54:24 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:54:24 fault injection: enabled 2020/01/08 04:54:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:54:24 net packet injection: enabled 2020/01/08 04:54:24 net device setup: enabled 2020/01/08 04:54:24 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:54:24 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:54:25 executing program 0: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet6_sctp(0xa, 0x80000000000001, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000444ff8)={0x0, 0x7}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000107ff8)={0x0, 0x10040000}, 0x8) connect$inet6(r1, &(0x7f00008c0000)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f000081e000)={0x0, 0x9, 0x80000000000000d5, [0x0]}, 0x2de) 04:54:25 executing program 1: sendmsg$TIPC_NL_NET_SET(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)={0x14}, 0x14}}, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$kcm(0xa, 0x5, 0x0) sendmsg(r2, &(0x7f00000006c0)={&(0x7f0000000100)=@in={0xa, 0x0, @local={0xac, 0x2c0}}, 0xffd6, &(0x7f0000000640), 0x16, &(0x7f0000000180)=[{0x20, 0x84, 0x2}], 0x20}, 0x44) syzkaller login: [ 58.805620][ T8436] IPVS: ftp: loaded support on port[0] = 21 04:54:26 executing program 2: r0 = memfd_create(&(0x7f00000000c0)='/dev/net/tun\x00', 0x0) fallocate(r0, 0x0, 0x2000421, 0x9) write(r0, &(0x7f0000002000)='/', 0x1) sendfile(r0, r0, &(0x7f0000001000), 0xfec) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1, 0x11, r0, 0x0) quotactl(0x0, &(0x7f0000000000)='./file0/file0\x00', 0x0, 0x0) [ 58.981084][ T8436] chnl_net:caif_netlink_parms(): no params data found [ 58.996915][ T8439] IPVS: ftp: loaded support on port[0] = 21 [ 59.030619][ T8436] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.039418][ T8436] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.047220][ T8436] device bridge_slave_0 entered promiscuous mode [ 59.059761][ T8436] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.066870][ T8436] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.075168][ T8436] device bridge_slave_1 entered promiscuous mode [ 59.111485][ T8436] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.124544][ T8436] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.153993][ T8436] team0: Port device team_slave_0 added [ 59.162984][ T8436] team0: Port device team_slave_1 added 04:54:26 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$inet_sctp(r0, &(0x7f0000000280)={&(0x7f0000000000)=@in={0x2, 0x0, @local}, 0x10, &(0x7f00000001c0)=[{&(0x7f0000000040)="e7", 0x1}], 0x1, &(0x7f0000000200)=[@prinfo={0x18}], 0x18}, 0x0) [ 59.230743][ T8436] device hsr_slave_0 entered promiscuous mode [ 59.308473][ T8436] device hsr_slave_1 entered promiscuous mode [ 59.382911][ T8441] IPVS: ftp: loaded support on port[0] = 21 [ 59.470532][ T8443] IPVS: ftp: loaded support on port[0] = 21 04:54:26 executing program 4: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000280)={0x0, 0x2000, &(0x7f0000000000)=[{&(0x7f0000000140)="2e0000003100050ad25a80648c6394fb0124fc0010000b4009000200053582c137153e370900018025641700d1bd", 0x33fe0}], 0x1}, 0x0) [ 59.545977][ T8439] chnl_net:caif_netlink_parms(): no params data found [ 59.555976][ T8436] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.620093][ T8436] netdevsim netdevsim0 netdevsim1: renamed from eth1 04:54:26 executing program 5: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000002740)=@ipv4_delroute={0x1c, 0x19, 0x301, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x70284617191ec2ff}}, 0x1c}}, 0x0) r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000140)=[{0x6, 0x0, &(0x7f0000000100), 0x6, &(0x7f0000000340)=[@iv={0xffffffffffffffbe, 0x117, 0x2, 0x0, "e831487743d6d21ad139ed9352ecc279cc5f554ad07b0a5bd2d96cd7bdd2d162633c426a2f8c55397dffd2cbcbbabf0ad18831dbe4dbb9f7cc20d3d3313491e9dc3fba674e321d3ac42c3c64db19836d6980e2b50c00685a08c1fc48ab696b974a49b900ec1235ffa04fdb441cc8f75106292bd14c1e2716ad728d5c605552ee8579cc7264f14de4ef287abc5f6512e64deca07d017f4a03b39b33f913841697d5446ac4c965433942a1bc6e9a0394055f2916b5fa9c9f6e6cb38ad6441674b9161cac3b6a9e60ba88a5fa825bcd8c8ac02e4d9e30e7fea91be95c82b0c2644af08ea8a344063316071334e3254067d87fd757"}, @op, @assoc, @assoc, @op, @op]}], 0x4924924924926e8, 0x0) [ 59.731809][ T8436] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.807419][ T8446] IPVS: ftp: loaded support on port[0] = 21 [ 59.816979][ T8436] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.931190][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.938765][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.946285][ T8439] device bridge_slave_0 entered promiscuous mode [ 59.972043][ T8448] IPVS: ftp: loaded support on port[0] = 21 [ 59.973866][ T8436] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.985123][ T8436] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.992862][ T8436] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.999935][ T8436] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.010213][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 60.024816][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.032300][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.040742][ T8439] device bridge_slave_1 entered promiscuous mode [ 60.074007][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.083786][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.107744][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.120273][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.153705][ T8443] chnl_net:caif_netlink_parms(): no params data found [ 60.163391][ T8439] team0: Port device team_slave_0 added [ 60.172140][ T8439] team0: Port device team_slave_1 added [ 60.290253][ T8439] device hsr_slave_0 entered promiscuous mode [ 60.347908][ T8439] device hsr_slave_1 entered promiscuous mode [ 60.397797][ T8439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.405537][ T8439] Cannot create hsr debugfs directory [ 60.411306][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.418565][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.426167][ T8441] device bridge_slave_0 entered promiscuous mode [ 60.435239][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.442352][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.450284][ T8441] device bridge_slave_1 entered promiscuous mode [ 60.471909][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 60.480923][ T8443] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.488677][ T8443] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.496181][ T8443] device bridge_slave_0 entered promiscuous mode [ 60.508323][ T8443] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.515382][ T8443] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.523147][ T8443] device bridge_slave_1 entered promiscuous mode [ 60.567705][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.602779][ T8443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.613068][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.626538][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 60.653996][ T8443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.696102][ T8443] team0: Port device team_slave_0 added [ 60.704356][ T8441] team0: Port device team_slave_0 added [ 60.712911][ T8441] team0: Port device team_slave_1 added [ 60.723204][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.730955][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.738613][ T8446] device bridge_slave_0 entered promiscuous mode [ 60.750362][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.757406][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.765007][ T8446] device bridge_slave_1 entered promiscuous mode [ 60.773905][ T8443] team0: Port device team_slave_1 added [ 60.850462][ T8443] device hsr_slave_0 entered promiscuous mode [ 60.897906][ T8443] device hsr_slave_1 entered promiscuous mode [ 60.937690][ T8443] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.945267][ T8443] Cannot create hsr debugfs directory [ 61.020075][ T8441] device hsr_slave_0 entered promiscuous mode [ 61.057962][ T8441] device hsr_slave_1 entered promiscuous mode [ 61.127782][ T8441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.135358][ T8441] Cannot create hsr debugfs directory [ 61.191888][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.216610][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.224090][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.232103][ T8448] device bridge_slave_0 entered promiscuous mode [ 61.241769][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.248990][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.256502][ T8448] device bridge_slave_1 entered promiscuous mode [ 61.273141][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.291016][ T8439] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.340077][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.351006][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.376969][ T8439] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.414599][ T8436] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.431334][ T8439] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.483030][ T8439] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.553607][ T8446] team0: Port device team_slave_0 added [ 61.563611][ T8448] team0: Port device team_slave_0 added [ 61.585643][ T8446] team0: Port device team_slave_1 added [ 61.604799][ T8448] team0: Port device team_slave_1 added [ 61.631445][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.640052][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.650988][ T8436] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.711213][ T8446] device hsr_slave_0 entered promiscuous mode [ 61.737878][ T8446] device hsr_slave_1 entered promiscuous mode [ 61.787768][ T8446] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.795398][ T8446] Cannot create hsr debugfs directory [ 61.801472][ T8443] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.856182][ T8441] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.910036][ T8441] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.962839][ T8443] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.023244][ T8443] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.072093][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.081113][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.089778][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.096931][ T8452] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.105652][ T8441] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.160058][ T8441] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.260976][ T8448] device hsr_slave_0 entered promiscuous mode [ 62.297985][ T8448] device hsr_slave_1 entered promiscuous mode [ 62.337743][ T8448] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.345343][ T8448] Cannot create hsr debugfs directory [ 62.351323][ T8443] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.406155][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.415128][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.423464][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.431371][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.470286][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.503160][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.513649][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.523394][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.560233][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.568397][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.576759][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.602989][ T8436] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.614391][ T8436] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.653744][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.670019][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.681361][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.690058][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.699998][ T8452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.714118][ T8439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.731786][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.743437][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.763559][ T8436] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.828861][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.836520][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.848994][ T8446] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.880536][ T8446] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.934016][ T8441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.941476][ T8448] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.013661][ T8448] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.070232][ T8448] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.110743][ T8439] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.117533][ T8448] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.161789][ T8446] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.255677][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.264663][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.273614][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.281558][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.289517][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.298541][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.306783][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.313866][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.321801][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.330724][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.339153][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.346185][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.353913][ T8446] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.414965][ T8436] device veth0_vlan entered promiscuous mode [ 63.423250][ T8441] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.440404][ T8443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.451870][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.459852][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.468417][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.476501][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.486240][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.497048][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.504952][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.528190][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.536728][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.545101][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.552190][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.560438][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.569346][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.577658][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.584719][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.592637][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.601363][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.609843][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.618674][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.626841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.635425][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.644995][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.652872][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.673316][ T8439] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.684986][ T8439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.700630][ T8436] device veth1_vlan entered promiscuous mode [ 63.714268][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.725093][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.734966][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.743367][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.751549][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.789456][ T8443] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.799786][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.844025][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.853230][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.861972][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.870983][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.879768][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.888333][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.896563][ T2692] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.903649][ T2692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.914540][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.922422][ T2692] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.937098][ T8441] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.949865][ T8441] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.967009][ T8439] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.984417][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.992328][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.018792][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.027045][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.040213][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.049322][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.057699][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.064734][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.072383][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.095135][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.112538][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.123771][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.153713][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.163014][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.177358][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.186774][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.201824][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.212320][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.224518][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.250376][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.274818][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.326500][ T8446] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.342536][ T8446] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.386196][ T8446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 169.027565][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.034397][ C0] rcu: 0-...!: (10499 ticks this GP) idle=662/1/0x4000000000000002 softirq=11455/11455 fqs=18 [ 169.044969][ C0] (t=10501 jiffies g=6553 q=410) [ 169.049989][ C0] rcu: rcu_preempt kthread starved for 10465 jiffies! g6553 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 169.061070][ C0] rcu: RCU grace-period kthread stack dump: [ 169.066947][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 169.074850][ C0] Call Trace: [ 169.078138][ C0] __schedule+0x9a0/0xcc0 [ 169.082467][ C0] schedule+0x181/0x210 [ 169.086614][ C0] schedule_timeout+0x14f/0x240 [ 169.091452][ C0] ? run_local_timers+0x120/0x120 [ 169.096467][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.101227][ C0] kthread+0x332/0x350 [ 169.105281][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.110382][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.114960][ C0] ret_from_fork+0x24/0x30 [ 169.119375][ C0] NMI backtrace for cpu 0 [ 169.123694][ C0] CPU: 0 PID: 8436 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.132260][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.142301][ C0] Call Trace: [ 169.145574][ C0] [ 169.148420][ C0] dump_stack+0x1fb/0x318 [ 169.152762][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.157624][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.163778][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.169844][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.175819][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.181702][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.186820][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.192013][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.197034][ C0] update_process_times+0x12d/0x180 [ 169.202237][ C0] tick_sched_timer+0x263/0x420 [ 169.207080][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.212623][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.217826][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.222786][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.228069][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.233608][ C0] apic_timer_interrupt+0xf/0x20 [ 169.238532][ C0] [ 169.241476][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 169.247623][ C0] Code: 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 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 [ 169.267219][ C0] RSP: 0018:ffffc90001e97c80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.275722][ C0] RAX: ffffffff814897d3 RBX: 0000000000000000 RCX: ffff88809397e580 [ 169.283682][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002402f80 [ 169.291641][ C0] RBP: ffffc90001e97ca8 R08: 000000000003a728 R09: ffffed1014547ed1 [ 169.299604][ C0] R10: ffffed1014547ed1 R11: 0000000000000000 R12: dffffc0000000000 [ 169.307564][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a2a3f678 [ 169.315563][ C0] ? mod_memcg_page_state+0x123/0x190 [ 169.320936][ C0] ? mod_memcg_page_state+0x123/0x190 [ 169.326306][ C0] free_thread_stack+0x168/0x590 [ 169.331236][ C0] put_task_stack+0xa3/0x130 [ 169.335821][ C0] finish_task_switch+0x3f1/0x550 [ 169.340844][ C0] __schedule+0x9a8/0xcc0 [ 169.345189][ C0] schedule+0x181/0x210 [ 169.349336][ C0] prepare_exit_to_usermode+0x2d4/0x5b0 [ 169.354897][ C0] syscall_return_slowpath+0x113/0x4a0 [ 169.360371][ C0] do_syscall_64+0x11f/0x1c0 [ 169.365078][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.370964][ C0] RIP: 0033:0x45dd8a [ 169.374852][ C0] Code: 25 18 00 00 00 00 74 01 f0 48 0f b1 3d bf ab 61 00 48 39 c2 75 da f3 c3 0f 1f 84 00 00 00 00 00 48 63 ff b8 e4 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 c7 c2 d4 ff ff ff f7 [ 169.394450][ C0] RSP: 002b:00007ffd2a5c7dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 [ 169.402870][ C0] RAX: 0000000000000000 RBX: 000000000000f9ec RCX: 000000000045dd8a [ 169.410831][ C0] RDX: 0000000000000000 RSI: 00007ffd2a5c7dd0 RDI: 0000000000000001 [ 169.418791][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000d79940 [ 169.426752][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 169.434741][ C0] R13: 00007ffd2a5c7e30 R14: 000000000000f9e0 R15: 00007ffd2a5c7e40