[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.176945][ T27] audit: type=1800 audit(1578471156.539:25): pid=8340 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.196648][ T27] audit: type=1800 audit(1578471156.539:26): pid=8340 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.216446][ T27] audit: type=1800 audit(1578471156.539:27): pid=8340 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 '10.128.0.230' (ECDSA) to the list of known hosts. 2020/01/08 08:12:45 fuzzer started 2020/01/08 08:12:48 dialing manager at 10.128.0.26:35703 2020/01/08 08:12:48 syscalls: 2824 2020/01/08 08:12:48 code coverage: enabled 2020/01/08 08:12:48 comparison tracing: enabled 2020/01/08 08:12:48 extra coverage: enabled 2020/01/08 08:12:48 setuid sandbox: enabled 2020/01/08 08:12:48 namespace sandbox: enabled 2020/01/08 08:12:48 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:12:48 fault injection: enabled 2020/01/08 08:12:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:12:48 net packet injection: enabled 2020/01/08 08:12:48 net device setup: enabled 2020/01/08 08:12:48 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:12:48 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:12:49 executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000280)={0xf, 0x4, 0x4, 0x400, 0x0, 0x1}, 0x3c) socket$rxrpc(0x21, 0x2, 0x800000000a) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x1d4) connect$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @empty}, 0x1c) bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x5}, 0xfffffffffffffdcb) bpf$MAP_CREATE(0x2, &(0x7f0000003000)={0x3, 0x0, 0x77fffb, 0x0, 0x10020000000, 0x0}, 0x2c) close(r0) 08:12:49 executing program 1: syz_mount_image$msdos(&(0x7f0000002380)='msdos\x00', &(0x7f00000023c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000003980)={[{@fat=@umask={'umask'}}]}) syzkaller login: [ 65.013847][ T8506] IPVS: ftp: loaded support on port[0] = 21 08:12:49 executing program 2: r0 = syz_open_procfs(0x0, &(0x7f0000000200)='net/snmp\x00') recvmmsg(0xffffffffffffffff, &(0x7f00000036c0)=[{{0x0, 0x0, &(0x7f0000001c00)=[{&(0x7f0000001b80)=""/4, 0x4}], 0x1}}], 0x1, 0x0, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) preadv(r0, &(0x7f00000017c0), 0x1be, 0x0) [ 65.182391][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 65.243124][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 65.277096][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.295007][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.305151][ T8506] device bridge_slave_0 entered promiscuous mode [ 65.336877][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.344044][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.351837][ T8506] device bridge_slave_1 entered promiscuous mode [ 65.384733][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 65.407364][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.420381][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:12:49 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 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, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x2, 0x5c831, 0xffffffffffffffff, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)) ioctl$VIDIOC_ENCODER_CMD(0xffffffffffffffff, 0xc028564d, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(0xffffffffffffffff, 0xc0096616, 0x0) socket(0x0, 0x0, 0x0) socket$netlink(0x10, 0x3, 0x0) recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$KVM_UNREGISTER_COALESCED_MMIO(0xffffffffffffffff, 0x4010ae68, &(0x7f0000000040)={0x0, 0x218000}) bpf$PROG_LOAD(0x5, &(0x7f000000c1c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f000000c180)={0x0, 0x7}, 0x10}, 0x78) sendmsg$inet6(0xffffffffffffffff, 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(0xffffffffffffffff, 0xc10c5541, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, [], [], [], 0x0, 0x8d}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000cfc000/0x18000)=nil, 0x0, 0x0, 0x1200, 0x0, 0x0) [ 65.503214][ T8506] team0: Port device team_slave_0 added [ 65.531898][ T8506] team0: Port device team_slave_1 added [ 65.564067][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 65.658496][ T8506] device hsr_slave_0 entered promiscuous mode [ 65.695276][ T8506] device hsr_slave_1 entered promiscuous mode 08:12:50 executing program 4: r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) close(r0) r2 = getpgrp(0x0) pidfd_open(r2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000780)) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r0, &(0x7f0000000180)) [ 65.821550][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 65.843294][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 65.869371][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.877412][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.887656][ T8509] device bridge_slave_0 entered promiscuous mode [ 65.931076][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.939590][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.950903][ T8509] device bridge_slave_1 entered promiscuous mode [ 66.018851][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.050176][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:12:50 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) close(r0) r1 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) dup(r1) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup2(r3, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) io_setup(0x1000, &(0x7f0000000140)=0x0) bpf$MAP_CREATE(0x2, &(0x7f0000000040)={0x0, 0x0, 0x77fffb, 0x0, 0x0, 0x0}, 0x3c) io_submit(r5, 0x20000103, &(0x7f0000000040)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r0, 0x0}]) [ 66.070234][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.080657][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.089897][ T8511] device bridge_slave_0 entered promiscuous mode [ 66.121793][ T8509] team0: Port device team_slave_0 added [ 66.132153][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.140463][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.152156][ T8511] device bridge_slave_1 entered promiscuous mode [ 66.165805][ T8509] team0: Port device team_slave_1 added [ 66.189365][ T8518] IPVS: ftp: loaded support on port[0] = 21 [ 66.220506][ T8506] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.290582][ T8506] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.351327][ T8506] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.417153][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.467676][ T8509] device hsr_slave_0 entered promiscuous mode [ 66.505310][ T8509] device hsr_slave_1 entered promiscuous mode [ 66.545106][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.552913][ T8509] Cannot create hsr debugfs directory [ 66.558622][ T8506] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.658234][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.699202][ T8520] IPVS: ftp: loaded support on port[0] = 21 [ 66.722226][ T8511] team0: Port device team_slave_0 added [ 66.731217][ T8511] team0: Port device team_slave_1 added [ 66.746679][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 66.898253][ T8511] device hsr_slave_0 entered promiscuous mode [ 66.955483][ T8511] device hsr_slave_1 entered promiscuous mode [ 67.005000][ T8511] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.012567][ T8511] Cannot create hsr debugfs directory [ 67.037835][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.050268][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.058017][ T8516] device bridge_slave_0 entered promiscuous mode [ 67.067697][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.074753][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.082635][ T8516] device bridge_slave_1 entered promiscuous mode [ 67.099798][ T8509] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.157219][ T8509] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.208936][ T8509] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.273789][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.287296][ T8509] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.326515][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.440971][ T8516] team0: Port device team_slave_0 added [ 67.451784][ T8516] team0: Port device team_slave_1 added [ 67.478668][ T8520] chnl_net:caif_netlink_parms(): no params data found [ 67.493148][ T8518] chnl_net:caif_netlink_parms(): no params data found [ 67.547992][ T8516] device hsr_slave_0 entered promiscuous mode [ 67.595333][ T8516] device hsr_slave_1 entered promiscuous mode [ 67.625065][ T8516] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.625095][ T8516] Cannot create hsr debugfs directory [ 67.642530][ T8511] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.688220][ T8511] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.767169][ T8511] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.858867][ T8506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.865760][ T8511] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.922422][ T8520] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.929958][ T8520] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.938891][ T8520] device bridge_slave_0 entered promiscuous mode [ 67.947209][ T8520] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.954390][ T8520] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.962324][ T8520] device bridge_slave_1 entered promiscuous mode [ 67.973089][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.981389][ T8518] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.989628][ T8518] device bridge_slave_0 entered promiscuous mode [ 67.997801][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.004855][ T8518] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.012656][ T8518] device bridge_slave_1 entered promiscuous mode [ 68.046127][ T8520] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.070104][ T8518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.081909][ T8518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.096564][ T8520] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.109759][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.132345][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.141082][ T3201] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.172175][ T8518] team0: Port device team_slave_0 added [ 68.183953][ T8509] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.193836][ T8506] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.202535][ T8520] team0: Port device team_slave_0 added [ 68.216934][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.224518][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.233321][ T8518] team0: Port device team_slave_1 added [ 68.247880][ T8520] team0: Port device team_slave_1 added [ 68.262400][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.272056][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.280750][ T2950] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.287928][ T2950] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.297399][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.306120][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.314325][ T2950] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.321410][ T2950] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.328894][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.360593][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.369773][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.378879][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.387498][ T2912] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.394535][ T2912] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.402807][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.411311][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.419769][ T2912] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.426851][ T2912] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.434319][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.447478][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.518070][ T8520] device hsr_slave_0 entered promiscuous mode [ 68.575380][ T8520] device hsr_slave_1 entered promiscuous mode [ 68.625061][ T8520] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.632695][ T8520] Cannot create hsr debugfs directory [ 68.648693][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.688041][ T8518] device hsr_slave_0 entered promiscuous mode [ 68.725278][ T8518] device hsr_slave_1 entered promiscuous mode [ 68.765074][ T8518] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.772716][ T8518] Cannot create hsr debugfs directory [ 68.808199][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.819641][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.828613][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.851230][ T8516] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.900659][ T8516] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.947759][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.956412][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.964810][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.973461][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.982278][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.991463][ T2930] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.009584][ T8516] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.077269][ T8516] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.130992][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.139880][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.148827][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.157109][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.165702][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.173870][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.189597][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.198316][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.222395][ T8506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.237995][ T8509] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.250514][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.259553][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.268509][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.309152][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.327725][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.335842][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.355507][ T8509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.371377][ T8506] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.383493][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.391625][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.409318][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.443143][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.454191][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.475685][ T8518] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.538449][ T8520] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.598427][ T8520] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.667408][ T8520] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.706816][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.716129][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.724453][ T2948] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.731618][ T2948] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.739378][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.748177][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.756984][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.765591][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.773834][ T2948] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.781058][ T2948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.797170][ T8518] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.834000][ T8518] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.898602][ T8520] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.947381][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.955866][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.964336][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.973043][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.981438][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.990124][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.999411][ T8506] device veth0_vlan entered promiscuous mode [ 70.010541][ T8518] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.071094][ T8509] device veth0_vlan entered promiscuous mode [ 70.077671][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.086351][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.093916][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.103050][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.111663][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.120163][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.128292][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.136862][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.144637][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.152341][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.174571][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.192089][ T8509] device veth1_vlan entered promiscuous mode [ 70.201246][ T8511] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.213230][ T8511] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.224846][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.233039][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.241805][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.250509][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.259482][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.267925][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.276540][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.286167][ T8506] device veth1_vlan entered promiscuous mode [ 70.304085][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.312316][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.320414][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.354422][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.362861][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.372142][ T2948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.387736][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.417369][ T8511] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.443993][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.452136][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.462013][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.471478][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.480190][ T2912] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.487304][ T2912] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.495282][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.503741][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.512253][ T2912] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.519304][ T2912] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.527045][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.563019][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.571709][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.581707][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.590316][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.599774][ T2950] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.631506][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.647295][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.669151][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.680578][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.692955][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.703664][ T2912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.758054][ T8528] FAT-fs (loop1): bogus number of reserved sectors [ 70.772407][ T8520] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.779362][ T8528] FAT-fs (loop1): Can't find a valid FAT filesystem [ 70.803386][ T8520] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.861762][ T8520] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.877848][ T8520] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.921676][ T8520] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 175.724866][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.731747][ C0] rcu: 0-...!: (10499 ticks this GP) idle=dd2/1/0x4000000000000002 softirq=13026/13026 fqs=10 [ 175.742320][ C0] (t=10501 jiffies g=6893 q=452) [ 175.747340][ C0] rcu: rcu_preempt kthread starved for 10481 jiffies! g6893 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.758423][ C0] rcu: RCU grace-period kthread stack dump: [ 175.764299][ C0] rcu_preempt R running task 28864 10 2 0x80004000 [ 175.772190][ C0] Call Trace: [ 175.775474][ C0] __schedule+0x9a0/0xcc0 [ 175.779803][ C0] schedule+0x181/0x210 [ 175.783952][ C0] schedule_timeout+0x14f/0x240 [ 175.788796][ C0] ? run_local_timers+0x120/0x120 [ 175.793989][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.798772][ C0] kthread+0x332/0x350 [ 175.802830][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.807950][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.812540][ C0] ret_from_fork+0x24/0x30 [ 175.816962][ C0] NMI backtrace for cpu 0 [ 175.821281][ C0] CPU: 0 PID: 8524 Comm: blkid Not tainted 5.5.0-rc5-syzkaller #0 [ 175.829074][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.839125][ C0] Call Trace: [ 175.842417][ C0] [ 175.845278][ C0] dump_stack+0x1fb/0x318 [ 175.849604][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.854444][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.860595][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.866654][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.872627][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.878508][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.883612][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.888829][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.893869][ C0] update_process_times+0x12d/0x180 [ 175.899066][ C0] tick_sched_timer+0x263/0x420 [ 175.903910][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.909448][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.914652][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.919599][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.924878][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.930414][ C0] apic_timer_interrupt+0xf/0x20 [ 175.935347][ C0] [ 175.938280][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 [ 175.944436][ C0] Code: 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 [ 175.964055][ C0] RSP: 0018:ffffc90002577b90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.972462][ C0] RAX: ffffffff81489244 RBX: ffffea00025a6800 RCX: ffff888095ac0540 [ 175.980426][ C0] RDX: 0000000000000001 RSI: 00000000fffffffc RDI: ffffea00025a6800 [ 175.988383][ C0] RBP: ffffc90002577bd0 R08: 000000000003a728 R09: ffffed10116fef41 [ 175.996345][ C0] R10: ffffed10116fef41 R11: 0000000000000000 R12: ffff8880a66e4aa0 [ 176.004448][ C0] R13: dffffc0000000000 R14: 1ffff11014cdc954 R15: ffff88808b7f79f8 [ 176.012440][ C0] ? free_thread_stack+0x124/0x590 [ 176.017563][ C0] ? free_thread_stack+0x124/0x590 [ 176.022676][ C0] put_task_stack+0xa3/0x130 [ 176.027255][ C0] finish_task_switch+0x3f1/0x550 [ 176.032286][ C0] __schedule+0x9a8/0xcc0 [ 176.036620][ C0] ? ___preempt_schedule+0x16/0x18 [ 176.041736][ C0] preempt_schedule+0xdb/0x120 [ 176.046494][ C0] ___preempt_schedule+0x16/0x18 [ 176.051429][ C0] ? do_exit+0x147c/0x2000 [ 176.055836][ C0] _raw_write_unlock_irq+0x77/0x80 [ 176.060934][ C0] do_exit+0x147c/0x2000 [ 176.065180][ C0] do_group_exit+0x15c/0x2b0 [ 176.069763][ C0] __do_sys_exit_group+0x17/0x20 [ 176.074690][ C0] __se_sys_exit_group+0x14/0x20 [ 176.079614][ C0] __x64_sys_exit_group+0x3b/0x40 [ 176.084629][ C0] do_syscall_64+0xf7/0x1c0 [ 176.089126][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.095005][ C0] RIP: 0033:0x7f5dc26131e8 [ 176.099486][ C0] Code: Bad RIP value. [ 176.103536][ C0] RSP: 002b:00007ffc5722bfb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 176.111935][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5dc26131e8 [ 176.119892][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 176.127848][ C0] RBP: 00007f5dc28e8840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 176.135805][ C0] R10: 00007f5dc28ee740 R11: 0000000000000246 R12: 00007f5dc28e8840 [ 176.143762][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000