[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.286450][ T26] audit: type=1800 audit(1575322454.322:25): pid=8310 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.305744][ T26] audit: type=1800 audit(1575322454.322:26): pid=8310 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.325491][ T26] audit: type=1800 audit(1575322454.322:27): pid=8310 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 '10.128.0.104' (ECDSA) to the list of known hosts. 2019/12/02 21:34:25 fuzzer started 2019/12/02 21:34:27 dialing manager at 10.128.0.26:38907 2019/12/02 21:34:27 syscalls: 2697 2019/12/02 21:34:27 code coverage: enabled 2019/12/02 21:34:27 comparison tracing: enabled 2019/12/02 21:34:27 extra coverage: extra coverage is not supported by the kernel 2019/12/02 21:34:27 setuid sandbox: enabled 2019/12/02 21:34:27 namespace sandbox: enabled 2019/12/02 21:34:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 21:34:27 fault injection: enabled 2019/12/02 21:34:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 21:34:27 net packet injection: enabled 2019/12/02 21:34:27 net device setup: enabled 2019/12/02 21:34:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 21:34:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 21:34:28 executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000000280)=ANY=[@ANYBLOB="bf16000000000000b70700000100f0ff4070000000000008cf7000000000000095000000000000007c41776586b2841fb71916411c22f945fb70fc5b4e982e61d68b61c1ba6e53657b8dc7c5bb72290946131bc6470051a39eab7f8651a2a10f51d92f44fdb8ca20a6e7fae8bc5e5c45d8cfc8c5751ce6c5a47f777c69b5b14d09000000048d2e9ec9b5d29ab9e06bdb414497312320fd387df6c51cc11505e90fbda62f3ffef6753a65e2a12c69c0240f642749e65ca4fc3cec2fe950e861d95f9c1200320c09e5229c09ef3a2a294a00b0c8de1ffa80b86171f31c76ead5895f266a04228684ec4f"], &(0x7f0000000140)='vS\xfdIG|\x8aL[\xf2\'\x9c\xea\xb1\xc0\xb1\x19\x91\x9d/Q\xd9\xe3T\xce\xdax;\x02%\xc5\x1c\xd5GA\xad[(\xbblZ\x01\x1dF\x92#]%sj\xd0i\xc6C\x1f&\xe2\xc5\xa5z\x7f\xe1 \xfb\xc27\x03\x84\x8e\xef\x82-\xfc$$\xaf\v\xbd\x95\x1e\x0f\xbeVI\xec\r!\f\x86\xf5\xfb[Y\x1e\xd4\xdfc\xb1\xc8\xa2\xc1/5\xffr\x1f\x80@\xb8F\xea\xde\x93\xa1\xcb6\xee\xf2\xce\x95\xf2\xfdxR\x17F\xad\xc1~\xa2\x97=O^o\"\xbb\xa8\x9746'}, 0x48) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000380)={r0, 0x0, 0x13, 0x0, &(0x7f0000000200)="bc4f0c3f69ddb10d28d098f118fa995ee7ee2b", 0x0, 0x100}, 0x28) 21:34:28 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f0000000180)={0x2, 0x4e23, @empty}, 0x10) syzkaller login: [ 62.627690][ T8474] IPVS: ftp: loaded support on port[0] = 21 21:34:28 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) openat$vga_arbiter(0xffffffffffffff9c, 0x0, 0x0, 0x0) getegid() geteuid() mount$bpf(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='bpf\x00', 0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)='overlay\x00', 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB=',lowerdir=.:file0']) chdir(&(0x7f0000000080)='./file0\x00') open(0x0, 0x0, 0x0) mkdir(&(0x7f0000000140)='./bus\x00', 0x0) [ 62.811395][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 62.861691][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 62.970851][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.981301][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.990426][ T8474] device bridge_slave_0 entered promiscuous mode [ 63.018279][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.018368][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 63.026497][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.040666][ T8474] device bridge_slave_1 entered promiscuous mode [ 63.080524][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.098003][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 21:34:29 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x1, 0x3, &(0x7f0000000040)=@framed={{0x5, 0x0, 0x0, 0x0, 0x0, 0x71, 0x10, 0x10}}, &(0x7f0000000080)='GPL\x04\x9c5\x14\xbfw-\xa0z\xe8.vY\n6\xf6I>\xc1\xab\x91\xb3\x97\xe4*\xbf\x1e\xa6\xcd\x8c\xd7t\'\xfc\x9a\x9e+qe\xf5+A\a\xbf\bP\xd8\x99\xdcR\xd0\x13\x17]\xdb\x1b/F <*\x05\xb7\"\xe3>Uo\xb2\xe3\xf3\x9a<\xde\x1f\xcaSd\x037\xec\x95aF\xbd\xbf\xcb\x11Pp\x19V1\xde]!\xa5\xea\x9ec\x8c+\xdbx\xa5\x01\xcaKn\xa3\x13\xd8%h\xf98,,?o\xab\xa6\xb4\xeeTy;N\xd2m\xae>R\"P)\xbb*\xc0\x00\x7fwuL?#\xce\xda\x98\t\xb9\xa9hJ\x94\n\xbc\xaa\x8c\xfc\xc7\x13>\xc4\"\xe9\xc88\x881\x8dA\xe9\xa4\x93\xf0\x19_\xe2Y\x96Q\xb8\x95\x04\xf5\xdb\xa1F%\xce#f\xf3=\x95\xdb\xa9/\x86ry\xca\xbfJ\xce\xdd\xc8Z\x8a\xf7\xa0\xfah\xd7g\xceQ6\xb9\xd0\xd1\x96lI\x9c\xb6\xbf4\xc2\x98\x86f\x97\x00'/248, 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10}, 0x14) [ 63.160127][ T8474] team0: Port device team_slave_0 added [ 63.174338][ T8477] chnl_net:caif_netlink_parms(): no params data found [ 63.207107][ T8474] team0: Port device team_slave_1 added [ 63.305293][ T8477] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.313930][ T8477] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.324834][ T8477] device bridge_slave_0 entered promiscuous mode [ 63.386245][ T8474] device hsr_slave_0 entered promiscuous mode 21:34:29 executing program 4: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='bpf\x00', 0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)='overlay\x00', 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB=',lowerdir=.:file0']) open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) chdir(&(0x7f0000000080)='./file0\x00') open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000200)='fd/4\x00\xa7$\xbf\x05l\xb8\t\xd0\x06\xae\b\x86$dV\x92M%\xfd)0m6Z\x05\xae\xa7\rM\bp\xa6Q\x871B\x973\xfe\x05\x12\xf3\xd496\xf9\x1aM6\xb2|\xc5\x05\xbc\xe71g\xe4<&\xd2\xd8g\xb6\xa2U\xae\x9a\x17F\xa5xi\xe8_\xa8R\x96d\x99\xf6_E\xd0\x8f<\xa840\xd6\x84\xd0\x17\xafP\'\xdc{\b\x94\x00Y+\x18N\\\xc9\x1f\a\xf9X\x125\xb9\xd6\xbf\x1a4V\x10\xa6Uq\xceN\xeb\xa8M\xb2?\xda\xfb\xb1\x9d\x94\x13O\xab\xde\xc0t\x8c\")\x05~\x0f\xb8\xf3\xf6d\xbe\xad\xee\"\xaa\x91\x05\xcb9A\x1a\x8d&\x9e\x81\xcf\x9eWvT\x8a\xbfl\x8a\x83%\xec\x94\xfd\x90\xeb\xb3\xa3\xa8\x90\x90\xdb\xc2X\xf48\xd1\x83Eu\xe5c\xd7\xb7qe\xab\xae\xef*\x9e\x95\xde\xa0\x894r[\\\xc4?\xb7\xcfo\xdb\xbeR\xc5\xbc\xb34\xbe}\xf7n/4}\xbc.t\x94\x1c%\xcb\x93\xea\"Aa(\xd6FX\xd8\b\xd1\x10N{\xe8\xbc)\xc8\x1e6\xff\x95\xa3\xf3\x84\xf4\xa5\xe8f\xc2@\x1f7h\xb3\xd6\xab\x9a\x03\x95>V\\\xc4%T\x94M\xc7`\x83\xa1\xa0\xc8gn\xe3\xfe\xef[\xb3\xbd\x18R\x1b=\xab\x97$\x03\xaa\x84C\x0eWD\xeea\xf5\xb9\x82\xea\xbd5:\"\xf6f/\xa1\x8f%8\xa8\x1e\xcf\xb6\xa7\xe1\x1b1\x94\xc1G\xf9\xfc\xc77\x1c\x00'/370) lseek(r0, 0x100000000000000, 0x0) [ 63.474879][ T8474] device hsr_slave_1 entered promiscuous mode [ 63.575576][ T8477] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.593379][ T8477] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.601574][ T8477] device bridge_slave_1 entered promiscuous mode [ 63.660371][ T8483] IPVS: ftp: loaded support on port[0] = 21 [ 63.679251][ T8477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 21:34:29 executing program 5: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f00000000c0)={&(0x7f0000000000)=""/5, 0x20000, 0x1000}, 0x18) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f00000004c0)=0x80, 0x4) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f0000000080)=0x2, 0x4) r1 = socket(0x100000000011, 0x2, 0x0) bind(r1, &(0x7f0000000140)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0}, &(0x7f00000002c0)=0x14) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f00000001c0)=0x400, 0x4) bind$xdp(r0, &(0x7f0000000900)={0x2c, 0x0, r2, 0x6}, 0x10) [ 63.708151][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 63.718268][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 63.735741][ T8477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.871105][ T8474] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.927672][ T8474] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.978533][ T8474] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.040742][ T8477] team0: Port device team_slave_0 added [ 64.048957][ T8477] team0: Port device team_slave_1 added [ 64.062143][ T8474] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.117107][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.124359][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.133818][ T8479] device bridge_slave_0 entered promiscuous mode [ 64.142045][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.149255][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.157358][ T8479] device bridge_slave_1 entered promiscuous mode [ 64.174605][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 64.255573][ T8477] device hsr_slave_0 entered promiscuous mode [ 64.293453][ T8477] device hsr_slave_1 entered promiscuous mode [ 64.352761][ T8477] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.401733][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.428754][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.484722][ T8477] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.537502][ T8477] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.604383][ T8479] team0: Port device team_slave_0 added [ 64.613446][ T8479] team0: Port device team_slave_1 added [ 64.620686][ T8477] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.755496][ T8479] device hsr_slave_0 entered promiscuous mode [ 64.793242][ T8479] device hsr_slave_1 entered promiscuous mode [ 64.832697][ T8479] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.840440][ T8477] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.945982][ T8483] chnl_net:caif_netlink_parms(): no params data found [ 64.988121][ T8479] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.037090][ T8479] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.138239][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.145831][ T8483] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.154517][ T8483] device bridge_slave_0 entered promiscuous mode [ 65.164870][ T8479] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.223604][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 65.241255][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 65.250936][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.258192][ T8483] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.266353][ T8483] device bridge_slave_1 entered promiscuous mode [ 65.273832][ T8479] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.327809][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.367482][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.375036][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.383208][ T8488] device bridge_slave_0 entered promiscuous mode [ 65.400840][ T8483] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.424997][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.432068][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.440522][ T8488] device bridge_slave_1 entered promiscuous mode [ 65.464482][ T8483] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.483560][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.492111][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.503769][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.515052][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.541235][ T8483] team0: Port device team_slave_0 added [ 65.565928][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.574253][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.583940][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.591009][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.598959][ T8486] device bridge_slave_0 entered promiscuous mode [ 65.607799][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.615037][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.623241][ T8486] device bridge_slave_1 entered promiscuous mode [ 65.631241][ T8483] team0: Port device team_slave_1 added [ 65.641935][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.651159][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.662760][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.669941][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.679750][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.699416][ T8488] team0: Port device team_slave_0 added [ 65.726338][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.736104][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.744803][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.751846][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.773356][ T8477] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.781730][ T8488] team0: Port device team_slave_1 added [ 65.795663][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.812589][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.855531][ T8483] device hsr_slave_0 entered promiscuous mode [ 65.893013][ T8483] device hsr_slave_1 entered promiscuous mode [ 65.942895][ T8483] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.952013][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.960936][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.969992][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.978864][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.987486][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.995421][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.003739][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.018570][ T8474] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.031121][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.086038][ T8488] device hsr_slave_0 entered promiscuous mode [ 66.123900][ T8488] device hsr_slave_1 entered promiscuous mode [ 66.162696][ T8488] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.171603][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.193381][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.201999][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.211105][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.219853][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.230424][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.238965][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.247238][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.256004][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.264389][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.271415][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.279348][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.287445][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.301662][ T8477] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.329982][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.338240][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.346437][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.355405][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.364926][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.371989][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.410336][ T8488] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.439443][ T8488] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.497155][ T8488] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.548289][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.557508][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.566653][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.573806][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.582305][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.590602][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.598388][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.607153][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.616510][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.623634][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.631327][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.640929][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.659287][ T8486] team0: Port device team_slave_0 added [ 66.670913][ T8486] team0: Port device team_slave_1 added [ 66.686143][ T8488] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.716653][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.726952][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.736426][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.747021][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.757495][ T8483] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.875793][ T8486] device hsr_slave_0 entered promiscuous mode [ 66.943081][ T8486] device hsr_slave_1 entered promiscuous mode [ 66.982724][ T8486] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.018005][ T8483] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.077409][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.086722][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.095664][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.104368][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.113608][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.121802][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.130198][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.138665][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.147148][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.155641][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.164081][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.172401][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.181569][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.189466][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.197271][ T8486] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.257878][ T8479] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.270096][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.278015][ T8483] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.315495][ T8483] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.384149][ T8477] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.401951][ T8477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.420865][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.436660][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.447873][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.459240][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.470918][ T8486] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 172.432444][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.439316][ C0] rcu: 0-....: (10500 ticks this GP) idle=1d2/1/0x4000000000000002 softirq=11174/11174 fqs=2758 [ 172.450091][ C0] (t=10501 jiffies g=7125 q=158) [ 172.455113][ C0] rcu: rcu_preempt kthread starved for 4985 jiffies! g7125 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.466199][ C0] rcu: RCU grace-period kthread stack dump: [ 172.472097][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.480009][ C0] Call Trace: [ 172.483305][ C0] __schedule+0x9a0/0xcc0 [ 172.487637][ C0] schedule+0x181/0x210 [ 172.491785][ C0] schedule_timeout+0x14f/0x240 [ 172.496814][ C0] ? run_local_timers+0x120/0x120 [ 172.501838][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.506605][ C0] kthread+0x332/0x350 [ 172.510675][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.515871][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.520486][ C0] ret_from_fork+0x24/0x30 [ 172.524949][ C0] NMI backtrace for cpu 0 [ 172.529296][ C0] CPU: 0 PID: 8494 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 172.537545][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.547623][ C0] Call Trace: [ 172.550930][ C0] [ 172.553804][ C0] dump_stack+0x1fb/0x318 [ 172.558140][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.563067][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.569992][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.576245][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.582238][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.588133][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.593239][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.598429][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.603446][ C0] update_process_times+0x12d/0x180 [ 172.608645][ C0] tick_sched_timer+0x263/0x420 [ 172.613488][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.619028][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.624317][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.629276][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.634642][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.640178][ C0] apic_timer_interrupt+0xf/0x20 [ 172.645104][ C0] [ 172.648039][ C0] RIP: 0010:free_thread_stack+0x186/0x590 [ 172.653788][ C0] Code: 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 09 a4 69 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 eb a3 69 00 48 8b 1b e9 82 ff ff [ 172.674075][ C0] RSP: 0018:ffffc90002227888 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 [ 172.682492][ C0] RAX: 1ffff11014649e31 RBX: ffff8880a324f188 RCX: ffff8880974bc2c0 [ 172.690457][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022950c0 [ 172.698417][ C0] RBP: ffffc900022278c0 R08: dffffc0000000000 R09: fffffbfff120248a [ 172.706558][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a324f220 [ 172.714518][ C0] R13: dffffc0000000000 R14: 1ffff11014649e44 R15: ffff8880974717e8 [ 172.722651][ C0] ? free_thread_stack+0x168/0x590 [ 172.727787][ C0] put_task_stack+0xa3/0x130 [ 172.732402][ C0] finish_task_switch+0x3f1/0x550 [ 172.737700][ C0] __schedule+0x9a8/0xcc0 [ 172.742029][ C0] ? ___preempt_schedule+0x16/0x18 [ 172.747128][ C0] preempt_schedule+0xdb/0x120 [ 172.751889][ C0] ___preempt_schedule+0x16/0x18 [ 172.756817][ C0] ? page_poisoning_enabled+0x1c/0x30 [ 172.762177][ C0] prep_new_page+0x161/0x2e0 [ 172.766764][ C0] get_page_from_freelist+0x850/0xaa0 [ 172.772144][ C0] __alloc_pages_nodemask+0x264/0x5d0 [ 172.777947][ C0] alloc_pages_vma+0x94a/0xd50 [ 172.782713][ C0] do_huge_pmd_anonymous_page+0x883/0xe50 [ 172.788430][ C0] handle_mm_fault+0x2017/0x2890 [ 172.793422][ C0] do_user_addr_fault+0x589/0xaf0 [ 172.798444][ C0] __do_page_fault+0xd3/0x1f0 [ 172.803110][ C0] do_page_fault+0x99/0xb0 [ 172.807524][ C0] page_fault+0x39/0x40 [ 172.811670][ C0] RIP: 0033:0x400644 [ 172.815572][ C0] Code: 06 e9 49 01 00 00 48 8b 44 24 10 48 0b 44 24 28 75 1f 48 8b 14 24 48 8b 7c 24 20 be 04 00 00 00 e8 91 55 00 00 48 8b 74 24 08 <89> 06 e9 1e 01 00 00 48 8b 44 24 08 48 8b 14 24 be 04 00 00 00 8b [ 172.835174][ C0] RSP: 002b:00007ffc628bd630 EFLAGS: 00010206 [ 172.841319][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 172.849280][ C0] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000001 [ 172.857237][ C0] RBP: 0000000000760000 R08: 0000000000000000 R09: 0000000000000000 [ 172.865196][ C0] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000001 [ 172.873155][ C0] R13: 00007ffc628bd850 R14: 0000000000760008 R15: 00007ffc628bd860