[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.441632][ T27] audit: type=1800 audit(1578486462.949:25): pid=8379 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.460749][ T27] audit: type=1800 audit(1578486462.949:26): pid=8379 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.505708][ T27] audit: type=1800 audit(1578486462.949:27): pid=8379 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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 '10.128.1.26' (ECDSA) to the list of known hosts. 2020/01/08 12:27:53 fuzzer started 2020/01/08 12:27:55 dialing manager at 10.128.0.26:35703 2020/01/08 12:27:55 syscalls: 2824 2020/01/08 12:27:55 code coverage: enabled 2020/01/08 12:27:55 comparison tracing: enabled 2020/01/08 12:27:55 extra coverage: enabled 2020/01/08 12:27:55 setuid sandbox: enabled 2020/01/08 12:27:55 namespace sandbox: enabled 2020/01/08 12:27:55 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 12:27:55 fault injection: enabled 2020/01/08 12:27:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 12:27:55 net packet injection: enabled 2020/01/08 12:27:55 net device setup: enabled 2020/01/08 12:27:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 12:27:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:27:56 executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000040)={0x0, 0x6}, 0x8) connect$inet6(r0, &(0x7f00008c0000)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r0, 0x84, 0x77, &(0x7f0000000080), 0x12d48122) 12:27:57 executing program 1: r0 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0xd, 0x0) ioctl$VIDIOC_CROPCAP(r0, 0xc02c563a, &(0x7f0000000040)={0x9}) syzkaller login: [ 60.582741][ T8548] IPVS: ftp: loaded support on port[0] = 21 12:27:57 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000000c0)=0x2000000000000074, 0x25d) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @broadcast}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6, 0x0, 0x0, 0xe8}]}, 0x10) setsockopt$inet_tcp_TLS_TX(r0, 0x6, 0x1, &(0x7f0000000040)=@gcm_256={{}, "018000da7d469c04", "02a839a6c7986edc3f8a6200c88e37de79b97525cedefaa0bded32e7d887ec99", "0000ef00", "00943f4aece800"}, 0x38) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) writev(r0, &(0x7f0000000440)=[{&(0x7f00000002c0)="0a99b3e3930870dcd4c6d68e6abe088af4ccdbe6dc85ed63bcee4834cd53f8a19cfad53574230c17377bd7b3eb23d9008f0c69b08db538753bcf550f05d219f8c6ca03228dd8d293261ba079190f47d70c95a97fe5d4cb7511e180f73e8ef5e2f7ee4f47c1a036e37e87414e615396eeb918828e", 0x74}, {&(0x7f0000000840)="b5252522629f34a16eef84ce1b0063a44d2793e337dc2c6bb2d88107b89a1516610f2003d59c73b5c7e008a287d2a1d473414b1adeb4ca87742298b064ae974e919c80525175804799682d67fca4f9defe5754c03f", 0x55}], 0x2) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='bbr\x00', 0x3) write$binfmt_script(r0, &(0x7f00000008c0)=ANY=[@ANYRES16], 0x14b) pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r1, &(0x7f0000000000)=ANY=[], 0xfffffecc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xda9, 0x4) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendto$inet(r0, &(0x7f00000012c0)="0c268a927f1f6588b967481241ba7860f922f65ac618ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95425a3a07e758044ab4ea6f7ae55d88fecf90b1a7511bf746bec66ba", 0xfe6a, 0x11, 0x0, 0x27) [ 60.748240][ T8550] IPVS: ftp: loaded support on port[0] = 21 [ 60.775014][ T8548] chnl_net:caif_netlink_parms(): no params data found [ 60.916719][ T8548] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.924650][ T8548] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.932528][ T8548] device bridge_slave_0 entered promiscuous mode [ 60.942702][ T8548] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.950069][ T8548] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.959025][ T8548] device bridge_slave_1 entered promiscuous mode [ 61.011301][ T8548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.026618][ T8550] chnl_net:caif_netlink_parms(): no params data found [ 61.037948][ T8548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.050675][ T8553] IPVS: ftp: loaded support on port[0] = 21 [ 61.076847][ T8548] team0: Port device team_slave_0 added [ 61.097658][ T8548] team0: Port device team_slave_1 added [ 61.129333][ T8550] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.139258][ T8550] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.147341][ T8550] device bridge_slave_0 entered promiscuous mode [ 61.162656][ T8550] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.170501][ T8550] bridge0: port 2(bridge_slave_1) entered disabled state 12:27:57 executing program 3: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup3(r1, r2, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x100000078, 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, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) [ 61.178688][ T8550] device bridge_slave_1 entered promiscuous mode [ 61.247343][ T8548] device hsr_slave_0 entered promiscuous mode [ 61.323557][ T8548] device hsr_slave_1 entered promiscuous mode [ 61.404999][ T8550] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.420332][ T8556] IPVS: ftp: loaded support on port[0] = 21 12:27:57 executing program 4: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000001c0)="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", 0x120}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x0) [ 61.445976][ T8550] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.505604][ T8550] team0: Port device team_slave_0 added [ 61.566277][ T8550] team0: Port device team_slave_1 added [ 61.682219][ T8548] netdevsim netdevsim0 netdevsim0: renamed from eth0 12:27:58 executing program 5: 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x4) sendmsg$kcm(r0, &(0x7f0000000180)={0x0, 0x34000, &(0x7f0000000080)=[{&(0x7f0000000100)="4c000000140081f87059ae08060c04000aff0f0240013c000000018701546fabca1b4e7d06a6bd7c493872f750375ed08a562ad6e74703c48f93b82a02030000461eb886a5e54e8ff5314461", 0x4c}], 0x1}, 0x0) [ 61.758911][ T8558] IPVS: ftp: loaded support on port[0] = 21 [ 61.786799][ T8548] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.886026][ T8550] device hsr_slave_0 entered promiscuous mode [ 61.933924][ T8550] device hsr_slave_1 entered promiscuous mode [ 61.973435][ T8550] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.981138][ T8550] Cannot create hsr debugfs directory [ 62.005408][ T8548] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.092300][ T8548] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.140822][ T8561] IPVS: ftp: loaded support on port[0] = 21 [ 62.141010][ T8553] chnl_net:caif_netlink_parms(): no params data found [ 62.173878][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 62.239990][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.248330][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.256117][ T8556] device bridge_slave_0 entered promiscuous mode [ 62.285919][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.293169][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.301116][ T8556] device bridge_slave_1 entered promiscuous mode [ 62.322101][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.344722][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.369693][ T8556] team0: Port device team_slave_0 added [ 62.418683][ T8553] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.428338][ T8553] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.438172][ T8553] device bridge_slave_0 entered promiscuous mode [ 62.447062][ T8556] team0: Port device team_slave_1 added [ 62.452873][ T8553] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.460081][ T8553] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.468069][ T8553] device bridge_slave_1 entered promiscuous mode [ 62.527506][ T8553] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.537380][ T8558] chnl_net:caif_netlink_parms(): no params data found [ 62.568924][ T8553] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.598766][ T8553] team0: Port device team_slave_0 added [ 62.605495][ T8550] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.650572][ T8561] chnl_net:caif_netlink_parms(): no params data found [ 62.666794][ T8553] team0: Port device team_slave_1 added [ 62.678317][ T8550] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.739541][ T8550] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.845098][ T8556] device hsr_slave_0 entered promiscuous mode [ 62.893595][ T8556] device hsr_slave_1 entered promiscuous mode [ 62.943895][ T8556] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.951548][ T8556] Cannot create hsr debugfs directory [ 62.974100][ T8550] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.061616][ T8558] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.069481][ T8558] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.077980][ T8558] device bridge_slave_0 entered promiscuous mode [ 63.091252][ T8558] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.100227][ T8558] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.108440][ T8558] device bridge_slave_1 entered promiscuous mode [ 63.165999][ T8553] device hsr_slave_0 entered promiscuous mode [ 63.203693][ T8553] device hsr_slave_1 entered promiscuous mode [ 63.243483][ T8553] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.251070][ T8553] Cannot create hsr debugfs directory [ 63.263823][ T8561] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.270893][ T8561] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.279730][ T8561] device bridge_slave_0 entered promiscuous mode [ 63.289657][ T8561] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.296993][ T8561] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.305149][ T8561] device bridge_slave_1 entered promiscuous mode [ 63.355814][ T8561] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.369329][ T8561] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.380310][ T8558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.397024][ T8556] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.452487][ T8558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.467126][ T8556] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.530884][ T8556] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.594907][ T8561] team0: Port device team_slave_0 added [ 63.608506][ T8556] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.642823][ T8561] team0: Port device team_slave_1 added [ 63.660192][ T8558] team0: Port device team_slave_0 added [ 63.669948][ T8548] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.690574][ T8558] team0: Port device team_slave_1 added [ 63.777323][ T8561] device hsr_slave_0 entered promiscuous mode [ 63.833723][ T8561] device hsr_slave_1 entered promiscuous mode [ 63.893383][ T8561] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.901113][ T8561] Cannot create hsr debugfs directory [ 63.916532][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.925294][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.938271][ T8548] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.006107][ T8558] device hsr_slave_0 entered promiscuous mode [ 64.043698][ T8558] device hsr_slave_1 entered promiscuous mode [ 64.083379][ T8558] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.090966][ T8558] Cannot create hsr debugfs directory [ 64.130735][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.140040][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.149539][ T2668] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.156747][ T2668] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.166433][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.175397][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.184616][ T2668] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.191641][ T2668] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.202886][ T8553] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.255743][ T8553] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.314421][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.327297][ T8553] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.375058][ T8553] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.440796][ T8550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.450292][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.488720][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.512680][ T8548] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.524130][ T8548] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.541502][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.556254][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.568732][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.577347][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.586363][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.595031][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.603855][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.612114][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.621040][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.629070][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.637089][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.644855][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.658656][ T8556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.674931][ T8550] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.706385][ T8561] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.757723][ T8561] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.795767][ T8561] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.852322][ T8556] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.864010][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.872616][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.881279][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.888554][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.896930][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.905152][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.913132][ T8561] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.974612][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.984393][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.991915][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.001325][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.011564][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.020117][ T2902] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.027269][ T2902] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.039177][ T8548] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.066747][ T8558] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.105211][ T8558] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.157767][ T8558] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.205951][ T8558] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.260401][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.269128][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.278077][ T2902] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.285201][ T2902] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.292695][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.301571][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.310125][ T2902] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.317224][ T2902] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.325098][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.333793][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.342618][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.351336][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.359766][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.368423][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.376780][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.393785][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.401657][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.410226][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.419719][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.428586][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.437301][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.445763][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.454184][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.462887][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.472711][ T2902] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.499644][ T8556] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.542046][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.556734][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.565726][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.574188][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.582409][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.591148][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.608180][ T8550] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.620101][ T8550] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.659241][ T8553] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.672608][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.682782][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.698377][ T8548] device veth0_vlan entered promiscuous mode [ 65.719437][ T8556] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.733762][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.741941][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.751261][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.759033][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.768033][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.775925][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.789137][ T8548] device veth1_vlan entered promiscuous mode [ 65.800585][ T8561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.813837][ T8553] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.824781][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.832409][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.840222][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.861304][ T8550] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.885673][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.894058][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.901485][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.909426][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.918049][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.926548][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.933639][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.941401][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.950068][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.958507][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.965607][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.975322][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.017367][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.029373][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.038513][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.047432][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.055944][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.064684][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.073491][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.082227][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.090853][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.099525][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.108201][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.116305][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.141307][ T8561] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.159379][ T8558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.177076][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.186379][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.195520][ T2711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.210177][ T8553] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.221923][ T8553] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.239509][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.261465][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.279969][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.294050][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.309349][ T8550] device veth0_vlan entered promiscuous mode [ 66.335056][ T8550] device veth1_vlan entered promiscuous mode [ 66.437766][ T8561] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.454067][ T8561] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.507680][ T8561] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 171.293194][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.300426][ C0] rcu: 0-...!: (10499 ticks this GP) idle=6c6/1/0x4000000000000002 softirq=10646/10647 fqs=11 [ 171.311003][ C0] (t=10501 jiffies g=6937 q=411) [ 171.316019][ C0] rcu: rcu_preempt kthread starved for 10480 jiffies! g6937 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 171.327100][ C0] rcu: RCU grace-period kthread stack dump: [ 171.332980][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 171.340895][ C0] Call Trace: [ 171.344190][ C0] __schedule+0x9a0/0xcc0 [ 171.348544][ C0] schedule+0x181/0x210 [ 171.352914][ C0] schedule_timeout+0x14f/0x240 [ 171.357767][ C0] ? run_local_timers+0x120/0x120 [ 171.362790][ C0] rcu_gp_kthread+0xed8/0x1770 [ 171.367555][ C0] kthread+0x332/0x350 [ 171.371703][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 171.376816][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.381399][ C0] ret_from_fork+0x24/0x30 [ 171.385819][ C0] NMI backtrace for cpu 0 [ 171.390162][ C0] CPU: 0 PID: 8567 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 171.398731][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.408781][ C0] Call Trace: [ 171.412053][ C0] [ 171.414901][ C0] dump_stack+0x1fb/0x318 [ 171.419226][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.424063][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.430226][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.436314][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.442289][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.448172][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.453277][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.458466][ C0] ? trace_hardirqs_off+0x74/0x80 [ 171.463485][ C0] update_process_times+0x12d/0x180 [ 171.468689][ C0] tick_sched_timer+0x263/0x420 [ 171.473533][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.479095][ C0] __hrtimer_run_queues+0x403/0x840 [ 171.484301][ C0] hrtimer_interrupt+0x38c/0xda0 [ 171.489243][ C0] ? debug_smp_processor_id+0x9/0x20 [ 171.494526][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 171.500083][ C0] apic_timer_interrupt+0xf/0x20 [ 171.505078][ C0] [ 171.508032][ C0] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 171.513844][ C0] Code: 48 8b 3b e8 32 7e 60 00 eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 ba 27 2e 00 [ 171.533457][ C0] RSP: 0018:ffffc900022278c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.541867][ C0] RAX: 1ffff110121ac9d1 RBX: ffff888090d64e88 RCX: 0000000000000000 [ 171.549828][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022f2800 [ 171.557793][ C0] RBP: ffffc90002227900 R08: dffffc0000000000 R09: fffffbfff124248a [ 171.565757][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888090d64f20 [ 171.573717][ C0] R13: dffffc0000000000 R14: 1ffff110121ac9e4 R15: ffff888095a57438 [ 171.581703][ C0] ? free_thread_stack+0x168/0x590 [ 171.586808][ C0] put_task_stack+0xa3/0x130 [ 171.591394][ C0] finish_task_switch+0x3f1/0x550 [ 171.596432][ C0] __schedule+0x9a8/0xcc0 [ 171.600762][ C0] preempt_schedule_irq+0xc1/0x140 [ 171.605865][ C0] retint_kernel+0x1b/0x2b [ 171.610274][ C0] RIP: 0010:debug_lockdep_rcu_enabled+0x4/0xe0 [ 171.616419][ C0] Code: 38 c1 7c e3 48 c7 c7 04 29 a3 89 e8 46 df 4f 00 eb d5 0f 1f 40 00 55 48 89 e5 e8 a7 b7 00 00 e8 a2 b8 00 00 5d c3 55 48 89 e5 <41> 57 41 56 53 48 c7 c0 5c b2 64 89 48 c1 e8 03 49 bf 00 00 00 00 [ 171.636111][ C0] RSP: 0000:ffffc90002227b18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 171.644605][ C0] RAX: ffffffff81a4a3e5 RBX: 00000000000001ba RCX: ffff88809ed320c0 [ 171.652696][ C0] RDX: 0000000000000000 RSI: 0000000000001212 RDI: ffffffff88e5598d [ 171.660842][ C0] RBP: ffffc90002227b18 R08: ffffffff81a4a47f R09: ffff88808d40e6a8 [ 171.669013][ C0] R10: ffffed1011a81cd7 R11: 0000000000000000 R12: 0000000000000000 [ 171.676985][ C0] R13: 0000000000000180 R14: ffff88809ed334a8 R15: ffff888069bbb000 [ 171.685086][ C0] ? clear_huge_page+0x29f/0x8a0 [ 171.690043][ C0] ? clear_huge_page+0x205/0x8a0 [ 171.695135][ C0] ___might_sleep+0x20/0x5e0 [ 171.699759][ C0] clear_huge_page+0x220/0x8a0 [ 171.704528][ C0] __do_huge_pmd_anonymous_page+0x21a/0x1010 [ 171.710793][ C0] do_huge_pmd_anonymous_page+0x91a/0xe50 [ 171.716551][ C0] handle_mm_fault+0x2017/0x2890 [ 171.721531][ C0] do_user_addr_fault+0x589/0xaf0 [ 171.726658][ C0] __do_page_fault+0xd3/0x1f0 [ 171.731325][ C0] do_page_fault+0x99/0xb0 [ 171.735941][ C0] page_fault+0x39/0x40 [ 171.740088][ C0] RIP: 0033:0x4005c0 [ 171.743988][ C0] Code: 01 e9 cd 01 00 00 48 8b 44 24 10 48 0b 44 24 28 75 20 48 8b 14 24 48 8b 7c 24 20 be 02 00 00 00 e8 a5 55 00 00 48 8b 4c 24 08 <66> 89 01 e9 a1 01 00 00 48 8b 44 24 08 48 8b 14 24 be 02 00 00 00 [ 171.763767][ C0] RSP: 002b:00007ffc073c5d20 EFLAGS: 00010206 [ 171.769839][ C0] RAX: 000000000000000a RBX: 000000000075c9a0 RCX: 00000000208c0000 [ 171.777808][ C0] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a [ 171.785796][ C0] RBP: 00000000007602f0 R08: 0000000000000000 R09: 0000000000000000 [ 171.793756][ C0] R10: 00007ffc073c5e30 R11: 0000000000000246 R12: 000000000075bf20 [ 171.801715][ C0] R13: 00000000000102c6 R14: 00000000007602f8 R15: 000000000075bf2c