[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.19' (ECDSA) to the list of known hosts. 2020/05/02 10:39:55 fuzzer started 2020/05/02 10:39:55 dialing manager at 10.128.0.105:44117 2020/05/02 10:39:57 syscalls: 2964 2020/05/02 10:39:57 code coverage: enabled 2020/05/02 10:39:57 comparison tracing: enabled 2020/05/02 10:39:57 extra coverage: enabled 2020/05/02 10:39:57 setuid sandbox: enabled 2020/05/02 10:39:57 namespace sandbox: enabled 2020/05/02 10:39:57 Android sandbox: /sys/fs/selinux/policy does not exist 2020/05/02 10:39:57 fault injection: enabled 2020/05/02 10:39:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/05/02 10:39:57 net packet injection: enabled 2020/05/02 10:39:57 net device setup: enabled 2020/05/02 10:39:57 concurrency sanitizer: enabled 2020/05/02 10:39:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/05/02 10:39:57 USB emulation: /dev/raw-gadget does not exist syzkaller login: [ 46.956233][ T6697] KCSAN: could not find function: '_find_next_bit' 2020/05/02 10:39:58 adding functions to KCSAN blacklist: 'find_get_pages_range_tag' 'page_counter_charge' '__delete_from_page_cache' 'tick_nohz_idle_stop_tick' '_find_next_bit' 'ep_poll' 'pcpu_alloc' 'blk_mq_sched_dispatch_requests' '__ext4_new_inode' 10:40:15 executing program 0: syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000080)='fd\x00') fchdir(r0) r1 = memfd_create(&(0x7f0000000780)='\x00', 0x0) write(r1, &(0x7f00000000c0)="6963e64243ea486da3a74e3deec6fc5bb9650b5de56946c568f95d22467190ba406d59a5958d6f156c9c8a2ac4677b00000000000000000000200000f8bf54da33", 0x41) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1, 0x11, r1, 0x0) r2 = inotify_init1(0x0) inotify_add_watch(r2, &(0x7f0000000040)='./control\x00', 0xa4000962) r3 = inotify_init1(0x0) inotify_add_watch(r3, &(0x7f0000000040)='./control\x00', 0xa4000972) [ 63.972883][ T6699] IPVS: ftp: loaded support on port[0] = 21 [ 64.047823][ T6699] chnl_net:caif_netlink_parms(): no params data found 10:40:15 executing program 1: r0 = socket$vsock_stream(0x28, 0x1, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MAX_SIZE(r0, 0x28, 0x2, 0x0, 0x0) [ 64.146783][ T6699] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.155350][ T6699] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.164044][ T6699] device bridge_slave_0 entered promiscuous mode [ 64.172951][ T6699] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.180016][ T6699] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.188341][ T6699] device bridge_slave_1 entered promiscuous mode [ 64.209352][ T6699] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.221547][ T6699] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.243483][ T6699] team0: Port device team_slave_0 added [ 64.251901][ T6699] team0: Port device team_slave_1 added [ 64.269214][ T6699] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 64.277681][ T6699] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 64.305098][ T6699] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 64.317384][ T6699] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 64.325453][ T6699] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 64.365044][ T6699] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 64.384781][ T6847] IPVS: ftp: loaded support on port[0] = 21 10:40:15 executing program 2: r0 = socket$packet(0x11, 0x3, 0x300) r1 = syz_open_dev$swradio(&(0x7f0000000280)='/dev/swradio#\x00', 0x1, 0x2) ioctl$VIDIOC_S_CTRL(r1, 0xc008561c, &(0x7f0000000140)={0xf0f041}) r2 = fcntl$dupfd(r1, 0x0, r0) read$usbmon(r2, 0x0, 0x0) [ 64.452576][ T6699] device hsr_slave_0 entered promiscuous mode [ 64.490734][ T6699] device hsr_slave_1 entered promiscuous mode [ 64.651256][ T6869] IPVS: ftp: loaded support on port[0] = 21 10:40:16 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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) openat$mice(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/input/mice\x00', 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) syz_open_dev$vivid(&(0x7f0000000040)='/dev/video#\x00', 0x2, 0x2) ioctl$int_in(r1, 0x800000c004500a, &(0x7f0000000300)) socket$vsock_stream(0x28, 0x1, 0x0) openat$misdntimer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mISDNtimer\x00', 0x0, 0x0) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, 0x0, 0x0) fcntl$setstatus(r0, 0x4, 0x2000) [ 64.731683][ T6847] chnl_net:caif_netlink_parms(): no params data found [ 64.811796][ T6699] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.853170][ T6699] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.894757][ T6869] chnl_net:caif_netlink_parms(): no params data found [ 64.903568][ T6699] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.942880][ T6699] netdevsim netdevsim0 netdevsim3: renamed from eth3 10:40:16 executing program 4: r0 = socket(0x2, 0x2, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000280)) epoll_ctl$EPOLL_CTL_ADD(r1, 0x8, r0, &(0x7f0000000140)) [ 65.018562][ T6699] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.025638][ T6699] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.032950][ T6699] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.039974][ T6699] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.060464][ T6847] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.067939][ T6847] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.078062][ T7119] IPVS: ftp: loaded support on port[0] = 21 [ 65.085697][ T6847] device bridge_slave_0 entered promiscuous mode [ 65.102103][ T2628] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.121748][ T2628] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.140885][ T6847] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.147930][ T6847] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.171253][ T6847] device bridge_slave_1 entered promiscuous mode [ 65.225739][ T6847] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.253449][ T6847] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.295801][ T6847] team0: Port device team_slave_0 added [ 65.317633][ T7165] IPVS: ftp: loaded support on port[0] = 21 [ 65.325171][ T6847] team0: Port device team_slave_1 added [ 65.342097][ T6869] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.349171][ T6869] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.359833][ T6869] device bridge_slave_0 entered promiscuous mode [ 65.410680][ T6869] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.417876][ T6869] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.428856][ T6869] device bridge_slave_1 entered promiscuous mode [ 65.452100][ T6847] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.459156][ T6847] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.491940][ T6847] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active 10:40:17 executing program 5: socket$nl_generic(0x10, 0x3, 0x10) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket(0x1, 0x0, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000001c0), &(0x7f0000000200)=0x5) getpid() r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) getpid() connect$netrom(r1, &(0x7f0000000000)={{0x6, @rose}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @default, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @bcast]}, 0x48) listen(r1, 0x0) unshare(0x42000200) r2 = accept(r1, 0x0, 0x0) add_key$keyring(0x0, &(0x7f00000000c0)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$KEYCTL_RESTRICT_KEYRING(0x1d, 0x0, &(0x7f0000000000)='asymmetric\x00', &(0x7f0000000280)=@keyring={'key_or_keyring:'}) write$binfmt_elf64(r2, &(0x7f0000000680)=ANY=[], 0x3f00) [ 65.523149][ T6699] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.539653][ T6847] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.550478][ T6847] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.577897][ T6847] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.600878][ T6869] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.618567][ T6699] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.638699][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.648194][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.664888][ T6869] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.711394][ T6869] team0: Port device team_slave_0 added [ 65.722548][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.732347][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.741377][ T2628] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.748548][ T2628] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.759588][ T7165] chnl_net:caif_netlink_parms(): no params data found [ 65.773066][ T7119] chnl_net:caif_netlink_parms(): no params data found [ 65.783782][ T6869] team0: Port device team_slave_1 added [ 65.842585][ T6847] device hsr_slave_0 entered promiscuous mode [ 65.880836][ T6847] device hsr_slave_1 entered promiscuous mode [ 65.920405][ T6847] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.927978][ T6847] Cannot create hsr debugfs directory [ 65.948261][ T7273] IPVS: ftp: loaded support on port[0] = 21 [ 65.956878][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.968775][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.977567][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.984697][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.992935][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.001945][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.010932][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.019637][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.051847][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.060016][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.069985][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.081701][ T6869] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.088663][ T6869] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.115375][ T6869] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.129614][ T6869] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.136897][ T6869] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.162885][ T6869] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.183165][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.192372][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.217213][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.228415][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.239109][ T6699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.282284][ T6869] device hsr_slave_0 entered promiscuous mode [ 66.310562][ T6869] device hsr_slave_1 entered promiscuous mode [ 66.360336][ T6869] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.367899][ T6869] Cannot create hsr debugfs directory [ 66.410623][ T7119] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.418050][ T7119] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.425959][ T7119] device bridge_slave_0 entered promiscuous mode [ 66.434792][ T7119] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.442215][ T7119] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.449839][ T7119] device bridge_slave_1 entered promiscuous mode [ 66.468749][ T7119] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.480975][ T7119] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.495652][ T7165] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.502956][ T7165] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.511229][ T7165] device bridge_slave_0 entered promiscuous mode [ 66.572311][ T7165] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.579367][ T7165] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.587199][ T7165] device bridge_slave_1 entered promiscuous mode [ 66.604542][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.612986][ T3107] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.622401][ T6699] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.633490][ T7119] team0: Port device team_slave_0 added [ 66.649556][ T7165] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.662852][ T7119] team0: Port device team_slave_1 added [ 66.674886][ T6847] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.721388][ T7165] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.744513][ T7165] team0: Port device team_slave_0 added [ 66.754478][ T6847] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.834304][ T6847] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.882555][ T6847] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.934217][ T7165] team0: Port device team_slave_1 added [ 66.943566][ T7119] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.951128][ T7119] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.978139][ T7119] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.994200][ T7119] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.001914][ T7119] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.028759][ T7119] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.054719][ T7165] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.061903][ T7165] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.088144][ T7165] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.099203][ T7273] chnl_net:caif_netlink_parms(): no params data found [ 67.123454][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.133447][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.146118][ T7165] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.154211][ T7165] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.181853][ T7165] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.232399][ T7119] device hsr_slave_0 entered promiscuous mode [ 67.270874][ T7119] device hsr_slave_1 entered promiscuous mode [ 67.310609][ T7119] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.318875][ T7119] Cannot create hsr debugfs directory [ 67.331099][ T6869] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.409088][ T6869] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.452866][ T6869] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.507101][ T6699] device veth0_vlan entered promiscuous mode [ 67.515106][ T6869] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.582289][ T7165] device hsr_slave_0 entered promiscuous mode [ 67.630574][ T7165] device hsr_slave_1 entered promiscuous mode [ 67.680311][ T7165] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.687893][ T7165] Cannot create hsr debugfs directory [ 67.695083][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.704079][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.732093][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.747643][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.765213][ T6699] device veth1_vlan entered promiscuous mode [ 67.813222][ T7119] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.862420][ T7119] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.903068][ T7119] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.963422][ T7119] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.040546][ T7273] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.047590][ T7273] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.057678][ T7273] device bridge_slave_0 entered promiscuous mode [ 68.066267][ T7273] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.073740][ T7273] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.082126][ T7273] device bridge_slave_1 entered promiscuous mode [ 68.100844][ T7273] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.109961][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.118253][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.128676][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.137407][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.170279][ T7273] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.201963][ T6699] device veth0_macvtap entered promiscuous mode [ 68.232953][ T7273] team0: Port device team_slave_0 added [ 68.242057][ T6847] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.251601][ T6699] device veth1_macvtap entered promiscuous mode [ 68.259144][ T7273] team0: Port device team_slave_1 added [ 68.276461][ T6869] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.298120][ T6847] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.316448][ T7119] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.328290][ T6699] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.336687][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.344844][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.353768][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.361408][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.369032][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.377917][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.387378][ T7165] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.452950][ T7273] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.460417][ T7273] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 68.487350][ T7273] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.498932][ T7165] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.554636][ T6699] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.566785][ T6869] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.576814][ T7273] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.584356][ T7273] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 68.611270][ T7273] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.623304][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.632636][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.641790][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.649283][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.657672][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.665890][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.674386][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.684568][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.693673][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.700743][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.708842][ T7165] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.763865][ T7119] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.792400][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.802931][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.812152][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.821529][ T2628] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.828560][ T2628] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.837131][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.846458][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.855280][ T2628] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.862515][ T2628] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.870518][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.879808][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.889267][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.897690][ T2628] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.906139][ T2628] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.914059][ T2628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.923727][ T7165] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.032299][ T7273] device hsr_slave_0 entered promiscuous mode [ 69.060700][ T7273] device hsr_slave_1 entered promiscuous mode [ 69.112275][ T7273] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.120381][ T7273] Cannot create hsr debugfs directory [ 69.134195][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.143823][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.189418][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.200576][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.208788][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.215921][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.224960][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.233805][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.242206][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.249529][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.257602][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.266593][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.276120][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.284841][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.293523][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.302366][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.311004][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.319663][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.328236][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.337081][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.345727][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.354191][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.362739][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.371632][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.380085][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.388095][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.406919][ T6869] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.419094][ T6869] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.429757][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.442774][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.452056][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.460574][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.469655][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.506493][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.516135][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.525773][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.534814][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.543772][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.563193][ T7119] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.573680][ T7119] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.589550][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.598392][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.606877][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.615811][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.626582][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.635608][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.665584][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.673677][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.690141][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.697663][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.729303][ T6869] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.739322][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.748518][ T7135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.760420][ T6847] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.775344][ T7119] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.805030][ T7165] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.820158][ T17] ================================================================== [ 69.828271][ T17] BUG: KCSAN: data-race in add_timer / run_timer_softirq [ 69.838917][ T17] [ 69.841236][ T17] write to 0xffff88812c01dc88 of 8 bytes by interrupt on cpu 0: [ 69.849438][ T17] run_timer_softirq+0x440/0xbd0 [ 69.854676][ T17] __do_softirq+0x118/0x34a [ 69.859562][ T17] irq_exit+0xb5/0xd0 [ 69.863583][ T17] smp_apic_timer_interrupt+0xe2/0x270 [ 69.869122][ T17] apic_timer_interrupt+0xf/0x20 [ 69.874255][ T17] native_safe_halt+0xe/0x10 [ 69.878950][ T17] default_idle+0x21/0x170 [ 69.883344][ T17] do_idle+0x1b7/0x290 [ 69.887388][ T17] cpu_startup_entry+0x14/0x20 [ 69.892273][ T17] rest_init+0xe4/0xeb [ 69.896364][ T17] arch_call_rest_init+0x13/0x2b [ 69.901291][ T17] start_kernel+0x82d/0x852 [ 69.905776][ T17] secondary_startup_64+0xa4/0xb0 [ 69.910771][ T17] [ 69.913115][ T17] read to 0xffff88812c01dc88 of 8 bytes by task 17 on cpu 1: [ 69.920497][ T17] add_timer+0x175/0x550 [ 69.924720][ T17] __queue_delayed_work+0x13c/0x1d0 [ 69.929909][ T17] queue_delayed_work_on+0xef/0x110 [ 69.935089][ T17] check_lifetime+0x32f/0x590 [ 69.939745][ T17] process_one_work+0x424/0x930 [ 69.944575][ T17] worker_thread+0x9a/0x7e0 [ 69.949059][ T17] kthread+0x203/0x230 [ 69.953113][ T17] ret_from_fork+0x1f/0x30 [ 69.957537][ T17] [ 69.959848][ T17] Reported by Kernel Concurrency Sanitizer on: [ 69.966051][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.7.0-rc1-syzkaller #0 [ 69.974180][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.984256][ T17] Workqueue: events_power_efficient check_lifetime [ 69.990748][ T17] ================================================================== [ 69.998785][ T17] Kernel panic - not syncing: panic_on_warn set ... [ 70.005357][ T17] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.7.0-rc1-syzkaller #0 [ 70.013574][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.023626][ T17] Workqueue: events_power_efficient check_lifetime [ 70.030118][ T17] Call Trace: [ 70.033574][ T17] dump_stack+0x11d/0x187 [ 70.037882][ T17] panic+0x210/0x640 [ 70.041755][ T17] ? vprintk_func+0x89/0x13a [ 70.046327][ T17] kcsan_report.cold+0xc/0x1a [ 70.050981][ T17] kcsan_setup_watchpoint+0x3fb/0x440 [ 70.056348][ T17] add_timer+0x175/0x550 [ 70.060568][ T17] ? rcu_segcblist_add_len+0x67/0x90 [ 70.065832][ T17] ? debug_smp_processor_id+0x3f/0x129 [ 70.071283][ T17] __queue_delayed_work+0x13c/0x1d0 [ 70.076470][ T17] queue_delayed_work_on+0xef/0x110 [ 70.081776][ T17] check_lifetime+0x32f/0x590 [ 70.086454][ T17] process_one_work+0x424/0x930 [ 70.091292][ T17] worker_thread+0x9a/0x7e0 [ 70.095783][ T17] ? rescuer_thread+0x6a0/0x6a0 [ 70.100612][ T17] kthread+0x203/0x230 [ 70.104664][ T17] ? kthread_unpark+0xd0/0xd0 [ 70.109408][ T17] ret_from_fork+0x1f/0x30 [ 71.191067][ T17] Shutting down cpus with NMI [ 71.197078][ T17] Kernel Offset: disabled [ 71.201399][ T17] Rebooting in 86400 seconds..