[ 47.879868][ T27] audit: type=1800 audit(1578446776.514:25): pid=8360 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.899647][ T27] audit: type=1800 audit(1578446776.524:26): pid=8360 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.952126][ T27] audit: type=1800 audit(1578446776.524:27): pid=8360 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 47.990972][ T27] audit: type=1800 audit(1578446776.524:28): pid=8360 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 '10.128.10.29' (ECDSA) to the list of known hosts. 2020/01/08 01:26:28 fuzzer started syzkaller login: [ 60.509824][ T8520] as (8520) used greatest stack depth: 23416 bytes left 2020/01/08 01:26:29 dialing manager at 10.128.0.26:35703 2020/01/08 01:26:29 syscalls: 2824 2020/01/08 01:26:29 code coverage: enabled 2020/01/08 01:26:29 comparison tracing: enabled 2020/01/08 01:26:29 extra coverage: enabled 2020/01/08 01:26:29 setuid sandbox: enabled 2020/01/08 01:26:29 namespace sandbox: enabled 2020/01/08 01:26:29 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:26:29 fault injection: enabled 2020/01/08 01:26:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:26:29 net packet injection: enabled 2020/01/08 01:26:29 net device setup: enabled 2020/01/08 01:26:29 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:26:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:26:30 executing program 0: r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, 0x0, 0x0) getgid() syz_open_pts(r0, 0x123000) ioctl$KDGKBENT(0xffffffffffffffff, 0x4b46, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) fstat(r2, &(0x7f0000000180)) setresgid(0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) fstat(0xffffffffffffffff, 0x0) setresgid(0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) fstat(0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) fstat(0xffffffffffffffff, &(0x7f00000003c0)) getresgid(0x0, 0x0, &(0x7f0000000280)) socket$inet6_tcp(0xa, 0x1, 0x0) r3 = openat$ashmem(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ashmem\x00', 0x0, 0x0) ioctl$ASHMEM_SET_PROT_MASK(r3, 0x40087705, 0x0) fstat(r3, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setresgid(0x0, r4, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) fstat(r5, &(0x7f00000000c0)) setresgid(0x0, 0x0, 0x0) r6 = socket$inet6_tcp(0xa, 0x1, 0x0) fstat(r6, 0x0) getresgid(&(0x7f0000000100), 0x0, &(0x7f0000000280)) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) fstat(r7, 0x0) fstat(0xffffffffffffffff, &(0x7f0000000180)) getresgid(0x0, &(0x7f0000000240), 0x0) fgetxattr(0xffffffffffffffff, 0x0, 0x0, 0x0) close(r1) r8 = socket$netlink(0x10, 0x3, 0xa) connect$netlink(r8, &(0x7f0000000000)=@kern={0x10, 0x0, 0x0, 0x4f126d817891da9c}, 0xc) r9 = open(&(0x7f00000000c0)='./bus\x00', 0x2, 0x100) r10 = creat(&(0x7f0000000140)='./bus\x00', 0x0) ftruncate(r10, 0x208200) sendfile(r1, r9, 0x0, 0x8000fffffffe) 01:26:31 executing program 1: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f00000007c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x24f}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f00000004c0)={r0, 0x1800000000000060, 0xe80, 0x1000000, &(0x7f0000000100)="0000003f0000007e5bc5795ecaa29a16f291d36a48e93100ffff81", 0x0, 0x100, 0xf2ffffff, 0xfffffffffffffe94}, 0x28) r1 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r1, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") [ 62.400056][ T8526] IPVS: ftp: loaded support on port[0] = 21 [ 62.588903][ T8526] chnl_net:caif_netlink_parms(): no params data found [ 62.599379][ T8529] IPVS: ftp: loaded support on port[0] = 21 [ 62.660599][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.669009][ T8526] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.678226][ T8526] device bridge_slave_0 entered promiscuous mode [ 62.699860][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state 01:26:31 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000000)={'\x00', 0x2}) [ 62.707747][ T8526] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.718656][ T8526] device bridge_slave_1 entered promiscuous mode [ 62.783250][ T8526] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.827252][ T8526] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.848699][ T8529] chnl_net:caif_netlink_parms(): no params data found [ 62.886156][ T8533] IPVS: ftp: loaded support on port[0] = 21 [ 62.913457][ T8526] team0: Port device team_slave_0 added [ 62.923662][ T8526] team0: Port device team_slave_1 added 01:26:31 executing program 3: r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000000), &(0x7f0000000080)=0x18) [ 63.056109][ T8526] device hsr_slave_0 entered promiscuous mode [ 63.122418][ T8526] device hsr_slave_1 entered promiscuous mode [ 63.162701][ T8529] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.170017][ T8529] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.192561][ T8529] device bridge_slave_0 entered promiscuous mode [ 63.209837][ T8529] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.218390][ T8529] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.228549][ T8529] device bridge_slave_1 entered promiscuous mode [ 63.250857][ T8535] IPVS: ftp: loaded support on port[0] = 21 01:26:31 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000040)='/dev/video#\x00', 0x8, 0x0) ioctl$VIDIOC_ENUM_FMT(r0, 0xc0405602, &(0x7f0000000000)={0x0, 0x2, 0x0, "64765e52490fc656b7a895426faf693f97e89e134d27e591131c2ac167253d29"}) [ 63.314896][ T8529] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.396383][ T8529] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.494451][ T8533] chnl_net:caif_netlink_parms(): no params data found [ 63.510076][ T8529] team0: Port device team_slave_0 added [ 63.546559][ T8529] team0: Port device team_slave_1 added 01:26:32 executing program 5: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000340)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f00000000c0)='rdma.max\x00', 0x2, 0x0) write$cgroup_int(r1, 0x0, 0x0) [ 63.591033][ T8538] IPVS: ftp: loaded support on port[0] = 21 [ 63.652773][ T8526] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.698255][ T8526] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.791183][ T8533] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.798902][ T8533] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.806652][ T8533] device bridge_slave_0 entered promiscuous mode [ 63.816555][ T8533] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.823819][ T8533] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.831328][ T8533] device bridge_slave_1 entered promiscuous mode [ 63.842871][ T8526] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.908344][ T8526] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.977703][ T8533] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.034863][ T8529] device hsr_slave_0 entered promiscuous mode [ 64.072273][ T8529] device hsr_slave_1 entered promiscuous mode [ 64.122074][ T8529] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.129829][ T8529] Cannot create hsr debugfs directory [ 64.147427][ T8533] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.148934][ T8541] IPVS: ftp: loaded support on port[0] = 21 [ 64.157138][ T8535] chnl_net:caif_netlink_parms(): no params data found [ 64.262000][ T8533] team0: Port device team_slave_0 added [ 64.271215][ T8533] team0: Port device team_slave_1 added [ 64.306592][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.314503][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.322905][ T8535] device bridge_slave_0 entered promiscuous mode [ 64.335124][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.344135][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.351863][ T8535] device bridge_slave_1 entered promiscuous mode [ 64.413962][ T8533] device hsr_slave_0 entered promiscuous mode [ 64.462312][ T8533] device hsr_slave_1 entered promiscuous mode [ 64.501985][ T8533] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.509627][ T8533] Cannot create hsr debugfs directory [ 64.554514][ T8541] chnl_net:caif_netlink_parms(): no params data found [ 64.564269][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.604683][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.646802][ T8538] chnl_net:caif_netlink_parms(): no params data found [ 64.670778][ T8535] team0: Port device team_slave_0 added [ 64.706267][ T8535] team0: Port device team_slave_1 added [ 64.718968][ T8529] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.772324][ T8541] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.780424][ T8541] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.788767][ T8541] device bridge_slave_0 entered promiscuous mode [ 64.807749][ T8529] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.864573][ T8529] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.924564][ T8541] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.932782][ T8541] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.940558][ T8541] device bridge_slave_1 entered promiscuous mode [ 64.947848][ T8538] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.955841][ T8538] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.963935][ T8538] device bridge_slave_0 entered promiscuous mode [ 64.988811][ T8529] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.048421][ T8538] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.056856][ T8538] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.065460][ T8538] device bridge_slave_1 entered promiscuous mode [ 65.114635][ T8535] device hsr_slave_0 entered promiscuous mode [ 65.152454][ T8535] device hsr_slave_1 entered promiscuous mode [ 65.192831][ T8535] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.200434][ T8535] Cannot create hsr debugfs directory [ 65.245100][ T8541] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.258843][ T8541] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.271667][ T8526] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.283040][ T8538] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.313808][ T8538] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.338084][ T8541] team0: Port device team_slave_0 added [ 65.366178][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.374551][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.385542][ T8526] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.404990][ T8538] team0: Port device team_slave_0 added [ 65.412369][ T8541] team0: Port device team_slave_1 added [ 65.421644][ T8533] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.475944][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.485102][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.493904][ T2688] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.501336][ T2688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.514049][ T8538] team0: Port device team_slave_1 added [ 65.529475][ T8533] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.575522][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.604275][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.614306][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.623348][ T2687] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.630869][ T2687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.641995][ T8533] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.694390][ T8533] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.794730][ T8541] device hsr_slave_0 entered promiscuous mode [ 65.842984][ T8541] device hsr_slave_1 entered promiscuous mode [ 65.882372][ T8541] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.889962][ T8541] Cannot create hsr debugfs directory [ 65.944734][ T8538] device hsr_slave_0 entered promiscuous mode [ 66.002444][ T8538] device hsr_slave_1 entered promiscuous mode [ 66.042033][ T8538] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.042066][ T8538] Cannot create hsr debugfs directory [ 66.067103][ T8535] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.133076][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.141746][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.168889][ T8535] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.214172][ T8535] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.254136][ T8535] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.336238][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.346202][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.360380][ T8529] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.390019][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.398201][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.407207][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.415903][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.425028][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.439668][ T8529] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.455403][ T8526] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.471403][ T8526] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.481762][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.490701][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.498409][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.506976][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.541341][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.550679][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.559356][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.566466][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.574579][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.583773][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.592257][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.599358][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.607064][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.617929][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.658093][ T8541] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.759596][ T8538] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.798550][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.807705][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.816286][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.825816][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.833506][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.840960][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.849951][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.858711][ T8541] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.913725][ T8541] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.987919][ T8541] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.049770][ T8526] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.056846][ T8538] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.105617][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.113570][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.121716][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.137413][ T8529] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.148922][ T8529] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.166975][ T8538] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.214553][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.225116][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.236573][ T8533] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.256383][ T8538] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.305495][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.314428][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.339019][ T8529] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.359280][ T8535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.370464][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.378401][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.408736][ T8533] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.417017][ T8526] device veth0_vlan entered promiscuous mode [ 67.424738][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.433898][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.442167][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.449754][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.458127][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.466004][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.481449][ T8535] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.507458][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.515567][ T2687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.534994][ T8526] device veth1_vlan entered promiscuous mode [ 67.557254][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.565511][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.574293][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.584637][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.593737][ T2688] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.600776][ T2688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.608939][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.617838][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.626562][ T2688] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.633663][ T2688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.641152][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.650106][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.658661][ T2688] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.665763][ T2688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.673969][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.682668][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.691103][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.699509][ T2688] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.706569][ T2688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.716306][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.725091][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.749060][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.783118][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.791656][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.802143][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.811108][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.823404][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.836824][ T8541] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.867754][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.876348][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.885193][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.893555][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.902745][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.911448][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.919990][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.928414][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.936774][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.945720][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.954290][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.961875][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.969665][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.977607][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.985769][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.006839][ T8541] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.022974][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.032769][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.040925][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.049760][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.059863][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.069282][ T2688] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.080470][ T8533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.117985][ T8533] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.144413][ T8529] device veth0_vlan entered promiscuous mode [ 68.160603][ C1] hrtimer: interrupt took 31605 ns [ 68.171494][ T8529] device veth1_vlan entered promiscuous mode [ 173.091819][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.098685][ C0] rcu: 0-...!: (1 GPs behind) idle=6ee/1/0x4000000000000002 softirq=12936/12937 fqs=19 [ 173.108660][ C0] (t=10500 jiffies g=6849 q=324) [ 173.113680][ C0] rcu: rcu_preempt kthread starved for 10459 jiffies! g6849 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.124850][ C0] rcu: RCU grace-period kthread stack dump: [ 173.130727][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.138713][ C0] Call Trace: [ 173.142002][ C0] __schedule+0x9a0/0xcc0 [ 173.146330][ C0] schedule+0x181/0x210 [ 173.150479][ C0] schedule_timeout+0x14f/0x240 [ 173.155322][ C0] ? run_local_timers+0x120/0x120 [ 173.160344][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.165202][ C0] kthread+0x332/0x350 [ 173.169258][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.174359][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.178942][ C0] ret_from_fork+0x24/0x30 [ 173.183359][ C0] NMI backtrace for cpu 0 [ 173.187677][ C0] CPU: 0 PID: 8526 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 173.196242][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.206286][ C0] Call Trace: [ 173.209578][ C0] [ 173.212422][ C0] dump_stack+0x1fb/0x318 [ 173.216743][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.221582][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.227724][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.233779][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.239749][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.245630][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.250737][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.255948][ C0] ? trace_hardirqs_off+0x74/0x80 [ 173.260969][ C0] update_process_times+0x12d/0x180 [ 173.266158][ C0] tick_sched_timer+0x263/0x420 [ 173.271032][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.276589][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.281814][ C0] hrtimer_interrupt+0x38c/0xda0 [ 173.286765][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.292050][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 173.297591][ C0] apic_timer_interrupt+0xf/0x20 [ 173.302514][ C0] [ 173.305446][ C0] RIP: 0010:free_thread_stack+0x14c/0x590 [ 173.311155][ C0] Code: 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff [ 173.330765][ C0] RSP: 0018:ffffc900023b7bd0 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 173.339185][ C0] RAX: 1ffff1101239ebc1 RBX: ffff888091cf5e08 RCX: 0000000000000000 [ 173.347150][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024dac00 [ 173.355110][ C0] RBP: ffffc900023b7c08 R08: 000000000003a728 R09: ffffed1012da8ec9 [ 173.363071][ C0] R10: ffffed1012da8ec9 R11: 0000000000000000 R12: ffff88808a476420 [ 173.371032][ C0] R13: dffffc0000000000 R14: 1ffff1101148ec84 R15: ffff888096d47638 [ 173.379020][ C0] put_task_stack+0xa3/0x130 [ 173.383600][ C0] finish_task_switch+0x3f1/0x550 [ 173.388639][ C0] __schedule+0x9a8/0xcc0 [ 173.392967][ C0] schedule+0x181/0x210 [ 173.397117][ C0] do_nanosleep+0x1d0/0x6c0 [ 173.401647][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 173.406587][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 173.412393][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 173.417502][ C0] do_syscall_64+0xf7/0x1c0 [ 173.421999][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.427881][ C0] RIP: 0033:0x4593f0 [ 173.431786][ 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 [ 173.451404][ C0] RSP: 002b:00007ffd2c048d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 173.459916][ C0] RAX: ffffffffffffffda RBX: 00000000000109d7 RCX: 00000000004593f0 [ 173.467884][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd2c048d20 [ 173.475847][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000010d4940 [ 173.483821][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 173.491782][ C0] R13: 00007ffd2c048d70 R14: 00000000000109bd R15: 00007ffd2c048d80