[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.370771][ T26] audit: type=1800 audit(1578446481.253:25): pid=8364 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.410133][ T26] audit: type=1800 audit(1578446481.253:26): pid=8364 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.460923][ T26] audit: type=1800 audit(1578446481.253:27): pid=8364 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 '10.128.0.207' (ECDSA) to the list of known hosts. 2020/01/08 01:21:30 fuzzer started 2020/01/08 01:21:32 dialing manager at 10.128.0.26:35703 2020/01/08 01:21:32 syscalls: 2824 2020/01/08 01:21:32 code coverage: enabled 2020/01/08 01:21:32 comparison tracing: enabled 2020/01/08 01:21:32 extra coverage: enabled 2020/01/08 01:21:32 setuid sandbox: enabled 2020/01/08 01:21:32 namespace sandbox: enabled 2020/01/08 01:21:32 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:21:32 fault injection: enabled 2020/01/08 01:21:32 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:21:32 net packet injection: enabled 2020/01/08 01:21:32 net device setup: enabled 2020/01/08 01:21:32 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:21:32 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:21:33 executing program 0: syz_open_dev$usbfs(&(0x7f0000000000)='/dev/bus/usb/00#/00#\x00', 0x1a9b, 0x0) r0 = syz_open_dev$usbfs(0x0, 0x0, 0x0) mmap$usbfs(&(0x7f0000002000/0x4000)=nil, 0x204e00, 0x0, 0x11, r0, 0x0) mremap(&(0x7f0000005000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000004000/0x1000)=nil) 01:21:33 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xf}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = open(0x0, 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x6) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e23, @dev}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x200007fa, &(0x7f0000000140)={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x1e}}, 0x10) r2 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x2, 0x105084) r3 = memfd_create(&(0x7f00000000c0)='\x00\x00\x00\x00\x8c\x00'/15, 0x0) pwritev(r3, &(0x7f0000f50f90), 0x0, 0x81003) ioctl$LOOP_CHANGE_FD(r2, 0x4c00, r3) sendfile(r1, r2, 0x0, 0x102000004) ioctl$BLKSECDISCARD(r2, 0x127d, &(0x7f0000000040)=0x81) fcntl$setlease(0xffffffffffffffff, 0x400, 0x2) openat$cgroup_subtree(0xffffffffffffffff, &(0x7f0000000340)='cgroup.subtree_control\x00', 0x2, 0x0) ioctl$TCGETA(r0, 0x5405, &(0x7f0000000000)) r4 = socket$inet(0x2, 0x4000000000000001, 0x0) r5 = openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0) setsockopt$bt_rfcomm_RFCOMM_LM(r5, 0x12, 0x3, 0x0, 0x0) bind$inet(r4, &(0x7f0000000080)={0x2, 0x4e23, @dev}, 0x10) bind$inet(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$vbi(0x0, 0x2, 0x2) sendto$inet(r4, 0x0, 0x0, 0x200007fa, &(0x7f0000000140)={0x2, 0x4e23, @dev}, 0x10) syzkaller login: [ 64.408459][ T8535] IPVS: ftp: loaded support on port[0] = 21 [ 64.579727][ T8535] chnl_net:caif_netlink_parms(): no params data found 01:21:33 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) acct(0x0) [ 64.635576][ T8535] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.645043][ T8535] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.653531][ T8535] device bridge_slave_0 entered promiscuous mode [ 64.654280][ T8538] IPVS: ftp: loaded support on port[0] = 21 [ 64.666931][ T8535] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.681037][ T8535] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.689399][ T8535] device bridge_slave_1 entered promiscuous mode [ 64.765308][ T8535] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.794953][ T8535] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.839376][ T8535] team0: Port device team_slave_0 added [ 64.852579][ T8535] team0: Port device team_slave_1 added 01:21:33 executing program 3: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect(r0, &(0x7f0000002000)=@ethernet, 0x10) ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000002fd8)={'vcan0\x00', 0x0}) sendmsg$can_bcm(r0, &(0x7f0000000000)={&(0x7f0000004000)={0x1d, r1}, 0x10, &(0x7f0000002ff0)={&(0x7f000000ef80)={0x1, 0x802, 0x0, {0x0, 0x2710}, {}, {}, 0x1, @canfd={{}, 0x0, 0x0, 0x0, 0x0, "790eaada477f17eb046695eea58af88d0ba3b8f5ca34f33a9a82d81e455bc6ca3479893215467e3bb85ea1247aafde2b17277187bd8fc023bb972d19343108b0"}}, 0x80}}, 0x0) sendmsg$can_bcm(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x1d, r1}, 0x10, &(0x7f0000000100)={&(0x7f0000000080)={0x1, 0x0, 0x0, {0x77359400}, {0x0, 0x7530}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "65a0178f2fde4db3"}}, 0x48}}, 0x0) sendmsg$can_bcm(r0, &(0x7f0000011000)={&(0x7f0000010ff0)={0x1d, r1}, 0x10, &(0x7f000000eff0)={&(0x7f0000012f80)={0x2, 0xfffffffffffffffc, 0x0, {0x0, 0x2710}, {0x77359400}, {}, 0x1, @canfd={{}, 0x0, 0x0, 0x0, 0x0, "68759a67d8602d3e4b207446a705148d03f1f86e60b22a6ec7e5b35afc19cd0ed506fb9cdba948697c01f3ec6bc0f8f98290b0198d30bde485753f80c203fe81"}}, 0x80}}, 0x0) [ 64.974163][ T8535] device hsr_slave_0 entered promiscuous mode [ 65.040119][ T8535] device hsr_slave_1 entered promiscuous mode 01:21:34 executing program 4: r0 = socket$rxrpc(0x21, 0x2, 0xa) bind$rxrpc(r0, &(0x7f00000000c0)=@in6={0x21, 0x0, 0x2, 0x1b7, {0xa, 0x0, 0x0, @loopback}}, 0x24) [ 65.108491][ T8540] IPVS: ftp: loaded support on port[0] = 21 [ 65.134819][ T8543] IPVS: ftp: loaded support on port[0] = 21 [ 65.171326][ T8538] chnl_net:caif_netlink_parms(): no params data found [ 65.329484][ T8538] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.349934][ T8538] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.357773][ T8538] device bridge_slave_0 entered promiscuous mode [ 65.382436][ T8538] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.389501][ T8538] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.397394][ T8538] device bridge_slave_1 entered promiscuous mode [ 65.431481][ T8545] IPVS: ftp: loaded support on port[0] = 21 01:21:34 executing program 5: r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@loopback={0x0, 0x777f6c03c53f}, 0x0, 0x0, 0x2, 0x1, 0x0, 0x0, 0x400000000}, 0x22) [ 65.484991][ T8538] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.497455][ T8535] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.572127][ T8538] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.603190][ T8535] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.666095][ T8538] team0: Port device team_slave_0 added [ 65.677786][ T8535] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.713652][ T8535] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.815190][ T8538] team0: Port device team_slave_1 added [ 65.832966][ T8543] chnl_net:caif_netlink_parms(): no params data found [ 65.834716][ T8548] IPVS: ftp: loaded support on port[0] = 21 [ 65.862484][ T8540] chnl_net:caif_netlink_parms(): no params data found [ 65.911816][ T8538] device hsr_slave_0 entered promiscuous mode [ 65.961044][ T8538] device hsr_slave_1 entered promiscuous mode [ 66.000355][ T8538] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.008096][ T8538] Cannot create hsr debugfs directory [ 66.112603][ T8545] chnl_net:caif_netlink_parms(): no params data found [ 66.144477][ T8540] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.151886][ T8540] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.159393][ T8540] device bridge_slave_0 entered promiscuous mode [ 66.171620][ T8540] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.178681][ T8540] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.188352][ T8540] device bridge_slave_1 entered promiscuous mode [ 66.202809][ T8543] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.210329][ T8543] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.217904][ T8543] device bridge_slave_0 entered promiscuous mode [ 66.228400][ T8543] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.235579][ T8543] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.243530][ T8543] device bridge_slave_1 entered promiscuous mode [ 66.319686][ T8540] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.344119][ T8535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.367112][ T8543] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.380514][ T8540] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.389696][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.397404][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.405192][ T8545] device bridge_slave_0 entered promiscuous mode [ 66.414418][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.421512][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.429281][ T8545] device bridge_slave_1 entered promiscuous mode [ 66.443629][ T8543] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.475597][ T8543] team0: Port device team_slave_0 added [ 66.483690][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.491897][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.505660][ T8548] chnl_net:caif_netlink_parms(): no params data found [ 66.531797][ T8540] team0: Port device team_slave_0 added [ 66.538348][ T8543] team0: Port device team_slave_1 added [ 66.548419][ T8535] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.555339][ T8538] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.613939][ T8538] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.682676][ T8545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.693448][ T8540] team0: Port device team_slave_1 added [ 66.701609][ T8545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.726287][ T8545] team0: Port device team_slave_0 added [ 66.739111][ T8538] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.782542][ T8545] team0: Port device team_slave_1 added [ 66.809721][ T8548] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.820360][ T8548] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.833155][ T8548] device bridge_slave_0 entered promiscuous mode [ 66.840485][ T8538] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.877472][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.886863][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.895753][ T2789] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.902902][ T2789] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.921945][ T8548] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.929002][ T8548] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.936779][ T8548] device bridge_slave_1 entered promiscuous mode [ 66.981855][ T8540] device hsr_slave_0 entered promiscuous mode [ 67.030208][ T8540] device hsr_slave_1 entered promiscuous mode [ 67.069964][ T8540] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.077543][ T8540] Cannot create hsr debugfs directory [ 67.131598][ T8543] device hsr_slave_0 entered promiscuous mode [ 67.170082][ T8543] device hsr_slave_1 entered promiscuous mode [ 67.230103][ T8543] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.237678][ T8543] Cannot create hsr debugfs directory [ 67.244120][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.302888][ T8545] device hsr_slave_0 entered promiscuous mode [ 67.350173][ T8545] device hsr_slave_1 entered promiscuous mode [ 67.389914][ T8545] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.397489][ T8545] Cannot create hsr debugfs directory [ 67.416419][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.426840][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.435424][ T3105] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.442495][ T3105] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.451738][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.460476][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.468831][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.477322][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.494988][ T8548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.507227][ T8548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.529341][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.538207][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.546882][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.555320][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.563833][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.614301][ T8548] team0: Port device team_slave_0 added [ 67.622300][ T8548] team0: Port device team_slave_1 added [ 67.629393][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.639612][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.650587][ T8535] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.722671][ T8548] device hsr_slave_0 entered promiscuous mode [ 67.760420][ T8548] device hsr_slave_1 entered promiscuous mode [ 67.820354][ T8548] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.827931][ T8548] Cannot create hsr debugfs directory [ 67.947182][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.955898][ T2799] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.964122][ T8545] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.035954][ T8535] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.058957][ T8545] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.112113][ T8545] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.164521][ T8545] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.245766][ T8543] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.297027][ T8538] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.319649][ T8540] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.351870][ T8543] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.411940][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.421006][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.438502][ T8538] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.451356][ T8548] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.501315][ T8540] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.551939][ T8543] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.593912][ T8543] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.653388][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.661931][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.669458][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.678030][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.700106][ T8548] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.762256][ T8548] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.821711][ T8540] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.880585][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.888201][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.896167][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.904999][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.913472][ T3106] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.920560][ T3106] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.928818][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.937462][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.945949][ T3106] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.953038][ T3106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.960673][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.969046][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.977519][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.985946][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.994416][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.002807][ T3106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.018735][ T8538] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.031009][ T8538] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.042886][ T8548] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.092630][ T8535] device veth0_vlan entered promiscuous mode [ 69.111446][ T8540] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.151800][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.162768][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.170904][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.179023][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.188273][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.196633][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.220479][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.228152][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.236619][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.255094][ T8538] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.278660][ T8535] device veth1_vlan entered promiscuous mode [ 69.358331][ T8545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.367768][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.376688][ T2789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.417065][ T8543] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.449107][ T8538] device veth0_vlan entered promiscuous mode [ 174.459774][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.466654][ C0] rcu: 0-...!: (10499 ticks this GP) idle=11e/1/0x4000000000000002 softirq=13629/13629 fqs=1 [ 174.477135][ C0] (t=10501 jiffies g=6621 q=129) [ 174.482179][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6621 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.493283][ C0] rcu: RCU grace-period kthread stack dump: [ 174.499162][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.509045][ C0] Call Trace: [ 174.512423][ C0] __schedule+0x9a0/0xcc0 [ 174.516772][ C0] schedule+0x181/0x210 [ 174.520919][ C0] schedule_timeout+0x14f/0x240 [ 174.525755][ C0] ? run_local_timers+0x120/0x120 [ 174.530769][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.535533][ C0] kthread+0x332/0x350 [ 174.539691][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.544794][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.549373][ C0] ret_from_fork+0x24/0x30 [ 174.553789][ C0] NMI backtrace for cpu 0 [ 174.558113][ C0] CPU: 0 PID: 8538 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.566677][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.576718][ C0] Call Trace: [ 174.579987][ C0] [ 174.582830][ C0] dump_stack+0x1fb/0x318 [ 174.587160][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.591996][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.598157][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.604210][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.610178][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.616055][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.621168][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.626356][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.631373][ C0] update_process_times+0x12d/0x180 [ 174.636564][ C0] tick_sched_timer+0x263/0x420 [ 174.641401][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.646933][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.652132][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.657075][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.662356][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.667888][ C0] apic_timer_interrupt+0xf/0x20 [ 174.672811][ C0] [ 174.675755][ C0] RIP: 0010:mod_memcg_page_state+0x168/0x190 [ 174.681734][ C0] Code: c7 68 95 2a 89 e8 d8 8e 6a 00 48 83 3d 68 fd e1 07 00 74 2d e8 79 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 5b 41 5c 41 5e 41 5f <5d> c3 e8 61 26 2e 00 0f 0b e8 5a 26 2e 00 0f 0b e8 53 26 2e 00 0f [ 174.701340][ C0] RSP: 0018:ffffc90001f36ff0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 174.709747][ C0] RAX: ffffffff814897d3 RBX: ffff88808d14b808 RCX: ffff8880a2058280 [ 174.717720][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00029c58c0 [ 174.725682][ C0] RBP: ffffc90001f36ff0 R08: 000000000003a728 R09: fffffbfff124248a [ 174.733640][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808d14b8a0 [ 174.741614][ C0] R13: dffffc0000000000 R14: 1ffff11011a29714 R15: ffff8880a7d979b8 [ 174.749591][ C0] ? mod_memcg_page_state+0x123/0x190 [ 174.754957][ C0] free_thread_stack+0x168/0x590 [ 174.759886][ C0] put_task_stack+0xa3/0x130 [ 174.764464][ C0] finish_task_switch+0x3f1/0x550 [ 174.769481][ C0] __schedule+0x9a8/0xcc0 [ 174.773806][ C0] ? ___preempt_schedule+0x16/0x18 [ 174.778903][ C0] preempt_schedule+0xdb/0x120 [ 174.783656][ C0] ? dev_uc_add+0x3c7/0x4b0 [ 174.788149][ C0] ___preempt_schedule+0x16/0x18 [ 174.793075][ C0] ? mark_lock+0x107/0x1650 [ 174.797565][ C0] __local_bh_enable_ip+0x17d/0x240 [ 174.802753][ C0] ? dev_uc_add+0x3c7/0x4b0 [ 174.807248][ C0] _raw_spin_unlock_bh+0x2f/0x40 [ 174.812173][ C0] dev_uc_add+0x3c7/0x4b0 [ 174.816496][ C0] vlan_dev_set_mac_address+0x1a1/0x500 [ 174.822053][ C0] dev_set_mac_address+0x1af/0x3f0 [ 174.827155][ C0] do_setlink+0x71c/0x3960 [ 174.831569][ C0] ? __nla_validate_parse+0x18cd/0x1f40 [ 174.837129][ C0] ? __kasan_check_read+0x11/0x20 [ 174.842145][ C0] rtnl_newlink+0x14dd/0x1bd0 [ 174.846813][ C0] ? rtnl_newlink+0x351/0x1bd0 [ 174.851639][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 174.856998][ C0] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 174.862095][ C0] ? rcu_lock_release+0x9/0x30 [ 174.866863][ C0] ? rtnl_setlink+0x490/0x490 [ 174.871527][ C0] rtnetlink_rcv_msg+0x889/0xd40 [ 174.876460][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 174.881821][ C0] ? local_bh_enable+0x9/0x30 [ 174.886487][ C0] ? trace_hardirqs_on+0x74/0x80 [ 174.891426][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 174.896792][ C0] ? local_bh_enable+0x1f/0x30 [ 174.901546][ C0] ? rcu_lock_release+0x9/0x30 [ 174.906302][ C0] ? rcu_lock_release+0x9/0x30 [ 174.911061][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 174.915810][ C0] ? rtnetlink_bind+0x80/0x80 [ 174.920499][ C0] rtnetlink_rcv+0x1c/0x20 [ 174.924905][ C0] netlink_unicast+0x767/0x920 [ 174.929662][ C0] netlink_sendmsg+0xa31/0xd50 [ 174.934440][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 174.939631][ C0] __sys_sendto+0x442/0x5e0 [ 174.944137][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 174.950193][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 174.955903][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.961352][ C0] __x64_sys_sendto+0xe5/0x100 [ 174.966104][ C0] do_syscall_64+0xf7/0x1c0 [ 174.970617][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.976509][ C0] RIP: 0033:0x414c43 [ 174.980409][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 174.999999][ C0] RSP: 002b:00007ffcac073ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 175.008397][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 175.016357][ C0] RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 [ 175.024335][ C0] RBP: 0000000000000000 R08: 00007ffcac073bb0 R09: 000000000000000c [ 175.032304][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 175.040269][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003