Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. 2020/05/15 20:18:23 parsed 1 programs 2020/05/15 20:18:24 executed programs: 0 syzkaller login: [ 61.587417][ T7050] IPVS: ftp: loaded support on port[0] = 21 [ 61.686731][ T7050] chnl_net:caif_netlink_parms(): no params data found [ 61.738548][ T7050] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.746514][ T7050] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.755295][ T7050] device bridge_slave_0 entered promiscuous mode [ 61.765274][ T7050] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.772712][ T7050] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.781019][ T7050] device bridge_slave_1 entered promiscuous mode [ 61.803775][ T7050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.816019][ T7050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.839634][ T7050] team0: Port device team_slave_0 added [ 61.847592][ T7050] team0: Port device team_slave_1 added [ 61.866102][ T7050] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.873222][ T7050] 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. [ 61.899452][ T7050] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.912079][ T7050] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.919245][ T7050] 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. [ 61.945591][ T7050] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 62.012353][ T7050] device hsr_slave_0 entered promiscuous mode [ 62.049270][ T7050] device hsr_slave_1 entered promiscuous mode [ 62.164733][ T7050] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.191831][ T7050] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.252219][ T7050] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.301388][ T7050] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.355221][ T7050] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.362411][ T7050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.370435][ T7050] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.378421][ T7050] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.441493][ T7050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.462581][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.473791][ T2915] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.482716][ T2915] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.491819][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 62.508214][ T7050] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.520546][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.530088][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.537175][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.559915][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.568374][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.575512][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.584752][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.597281][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.605666][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.619651][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.634455][ T7050] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.646649][ T7050] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.655621][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.680535][ T7050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.688542][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.697961][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.720589][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.730036][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.746110][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.754740][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.764667][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.773544][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.786699][ T7050] device veth0_vlan entered promiscuous mode [ 62.799990][ T7050] device veth1_vlan entered promiscuous mode [ 62.821576][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.830691][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.838775][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.847281][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.858385][ T7050] device veth0_macvtap entered promiscuous mode [ 62.870108][ T7050] device veth1_macvtap entered promiscuous mode [ 62.887182][ T7050] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.895848][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.904163][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.912437][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.921247][ T2690] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.936134][ T7050] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.944316][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.953811][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 63.152364][ T7259] IPVS: ftp: loaded support on port[0] = 21 [ 63.220349][ T7259] ================================================================== [ 63.227543][ T7270] IPVS: ftp: loaded support on port[0] = 21 [ 63.228603][ T7259] BUG: KASAN: slab-out-of-bounds in fl6_update_dst+0x2bb/0x2c0 [ 63.228620][ T7259] Read of size 16 at addr ffff8880a40c9f68 by task syz-executor.0/7259 [ 63.228623][ T7259] [ 63.228637][ T7259] CPU: 0 PID: 7259 Comm: syz-executor.0 Not tainted 5.7.0-rc4-syzkaller #0 [ 63.228644][ T7259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.228649][ T7259] Call Trace: [ 63.228668][ T7259] dump_stack+0x188/0x20d [ 63.228696][ T7259] print_address_description.constprop.0.cold+0xd3/0x315 [ 63.228710][ T7259] ? fl6_update_dst+0x2bb/0x2c0 [ 63.228722][ T7259] __kasan_report.cold+0x35/0x4d [ 63.228739][ T7259] ? fl6_update_dst+0x2bb/0x2c0 [ 63.228756][ T7259] ? fl6_update_dst+0x2bb/0x2c0 [ 63.228767][ T7259] kasan_report+0x33/0x50 [ 63.228785][ T7259] fl6_update_dst+0x2bb/0x2c0 [ 63.228804][ T7259] udpv6_sendmsg+0x1866/0x2b50 [ 63.228826][ T7259] ? ip_reply_glue_bits+0xb0/0xb0 [ 63.228848][ T7259] ? udp_v6_get_port+0x690/0x690 [ 63.228872][ T7259] ? mark_held_locks+0xe0/0xe0 [ 63.228888][ T7259] ? mark_held_locks+0xe0/0xe0 [ 63.228903][ T7259] ? mark_held_locks+0x9f/0xe0 [ 63.228922][ T7259] ? release_sock+0x1b/0x1b0 [ 63.228938][ T7259] ? release_sock+0x1b/0x1b0 [ 63.228959][ T7259] ? find_held_lock+0x2d/0x110 [ 63.228975][ T7259] ? inet_autobind+0x130/0x190 [ 63.229000][ T7259] ? lock_downgrade+0x840/0x840 [ 63.368347][ T7259] ? __local_bh_enable_ip+0x159/0x270 [ 63.373723][ T7259] ? lockdep_hardirqs_on+0x463/0x620 [ 63.378997][ T7259] ? inet_autobind+0x130/0x190 [ 63.383759][ T7259] ? __local_bh_enable_ip+0x159/0x270 [ 63.389165][ T7259] ? inet6_sendmsg+0x99/0xe0 [ 63.393737][ T7259] inet6_sendmsg+0x99/0xe0 [ 63.398147][ T7259] ? inet6_ioctl+0x1b0/0x1b0 [ 63.402719][ T7259] sock_sendmsg+0xcf/0x120 [ 63.407138][ T7259] __sys_sendto+0x220/0x330 [ 63.411636][ T7259] ? __ia32_sys_getpeername+0xb0/0xb0 [ 63.416995][ T7259] ? _copy_to_user+0x126/0x160 [ 63.421746][ T7259] ? ns_to_kernel_old_timeval+0x100/0x100 [ 63.427454][ T7259] ? __x64_sys_futex+0x380/0x4f0 [ 63.432373][ T7259] ? __x64_sys_clock_gettime+0x165/0x240 [ 63.437982][ T7259] ? __ia32_sys_clock_settime+0x260/0x260 [ 63.443706][ T7259] __x64_sys_sendto+0xdd/0x1b0 [ 63.448477][ T7259] ? lockdep_hardirqs_on+0x463/0x620 [ 63.453753][ T7259] do_syscall_64+0xf6/0x7d0 [ 63.458239][ T7259] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.464126][ T7259] RIP: 0033:0x45c829 [ 63.468060][ T7259] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.487887][ T7259] RSP: 002b:00007f730170ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 63.496288][ T7259] RAX: ffffffffffffffda RBX: 0000000000500fa0 RCX: 000000000045c829 [ 63.504250][ T7259] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 63.512378][ T7259] RBP: 000000000078bf00 R08: 00000000200001c0 R09: 000000000000001c [ 63.520338][ T7259] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 63.528294][ T7259] R13: 0000000000000a0f R14: 00000000004ccc62 R15: 00007f730170f6d4 [ 63.536257][ T7259] [ 63.538566][ T7259] Allocated by task 7270: [ 63.542876][ T7259] save_stack+0x1b/0x40 [ 63.547008][ T7259] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 63.552615][ T7259] __kmalloc+0x161/0x7a0 [ 63.556835][ T7259] sock_kmalloc+0xb5/0x100 [ 63.561234][ T7259] ipv6_renew_options+0x274/0x940 [ 63.566232][ T7259] do_ipv6_setsockopt.isra.0+0x2eaf/0x42f0 [ 63.572104][ T7259] ipv6_setsockopt+0xfb/0x180 [ 63.576772][ T7259] udpv6_setsockopt+0x5d/0xa0 [ 63.581443][ T7259] __sys_setsockopt+0x248/0x480 [ 63.586276][ T7259] __x64_sys_setsockopt+0xba/0x150 [ 63.591369][ T7259] do_syscall_64+0xf6/0x7d0 [ 63.595853][ T7259] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.601723][ T7259] [ 63.604036][ T7259] Freed by task 1: [ 63.607825][ T7259] save_stack+0x1b/0x40 [ 63.611955][ T7259] __kasan_slab_free+0xf7/0x140 [ 63.617821][ T7259] kfree+0x109/0x2b0 [ 63.621749][ T7259] tomoyo_check_open_permission+0x169/0x370 [ 63.627639][ T7259] tomoyo_file_open+0xa3/0xd0 [ 63.632305][ T7259] security_file_open+0x6e/0x410 [ 63.637219][ T7259] do_dentry_open+0x358/0x1290 [ 63.642001][ T7259] path_openat+0x1e59/0x27d0 [ 63.646588][ T7259] do_filp_open+0x192/0x260 [ 63.651074][ T7259] do_sys_openat2+0x585/0x7d0 [ 63.655729][ T7259] do_sys_open+0xc3/0x140 [ 63.660037][ T7259] do_syscall_64+0xf6/0x7d0 [ 63.664517][ T7259] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.670380][ T7259] [ 63.672702][ T7259] The buggy address belongs to the object at ffff8880a40c9f00 [ 63.672702][ T7259] which belongs to the cache kmalloc-128 of size 128 [ 63.686752][ T7259] The buggy address is located 104 bytes inside of [ 63.686752][ T7259] 128-byte region [ffff8880a40c9f00, ffff8880a40c9f80) [ 63.700003][ T7259] The buggy address belongs to the page: [ 63.705633][ T7259] page:ffffea0002903240 refcount:1 mapcount:0 mapping:00000000fbdbc01c index:0xffff8880a40c9500 [ 63.716020][ T7259] flags: 0xfffe0000000200(slab) [ 63.720850][ T7259] raw: 00fffe0000000200 ffffea000249fd08 ffffea00029ef508 ffff8880aa000700 [ 63.729453][ T7259] raw: ffff8880a40c9500 ffff8880a40c9000 000000010000000a 0000000000000000 [ 63.738036][ T7259] page dumped because: kasan: bad access detected [ 63.744440][ T7259] [ 63.746750][ T7259] Memory state around the buggy address: [ 63.752557][ T7259] ffff8880a40c9e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.760601][ T7259] ffff8880a40c9e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 63.768640][ T7259] >ffff8880a40c9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc [ 63.776673][ T7259] ^ [ 63.784122][ T7259] ffff8880a40c9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 63.792160][ T7259] ffff8880a40ca000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.800280][ T7259] ================================================================== [ 63.808315][ T7259] Disabling lock debugging due to kernel taint [ 63.823421][ T7259] Kernel panic - not syncing: panic_on_warn set ... [ 63.830034][ T7259] CPU: 0 PID: 7259 Comm: syz-executor.0 Tainted: G B 5.7.0-rc4-syzkaller #0 [ 63.839998][ T7259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.850051][ T7259] Call Trace: [ 63.853332][ T7259] dump_stack+0x188/0x20d [ 63.857726][ T7259] panic+0x2e3/0x75c [ 63.861600][ T7259] ? add_taint.cold+0x16/0x16 [ 63.866263][ T7259] ? preempt_schedule_common+0x5e/0xc0 [ 63.871697][ T7259] ? fl6_update_dst+0x2bb/0x2c0 [ 63.876533][ T7259] ? preempt_schedule_thunk+0x16/0x18 [ 63.881879][ T7259] ? trace_hardirqs_on+0x55/0x220 [ 63.886887][ T7259] ? fl6_update_dst+0x2bb/0x2c0 [ 63.891735][ T7259] end_report+0x4d/0x53 [ 63.895871][ T7259] __kasan_report.cold+0xd/0x4d [ 63.900714][ T7259] ? fl6_update_dst+0x2bb/0x2c0 [ 63.906506][ T7259] ? fl6_update_dst+0x2bb/0x2c0 [ 63.911435][ T7259] kasan_report+0x33/0x50 [ 63.915743][ T7259] fl6_update_dst+0x2bb/0x2c0 [ 63.920424][ T7259] udpv6_sendmsg+0x1866/0x2b50 [ 63.925196][ T7259] ? ip_reply_glue_bits+0xb0/0xb0 [ 63.931159][ T7259] ? udp_v6_get_port+0x690/0x690 [ 63.936076][ T7259] ? mark_held_locks+0xe0/0xe0 [ 63.940817][ T7259] ? mark_held_locks+0xe0/0xe0 [ 63.945552][ T7259] ? mark_held_locks+0x9f/0xe0 [ 63.950297][ T7259] ? release_sock+0x1b/0x1b0 [ 63.954858][ T7259] ? release_sock+0x1b/0x1b0 [ 63.959426][ T7259] ? find_held_lock+0x2d/0x110 [ 63.964171][ T7259] ? inet_autobind+0x130/0x190 [ 63.968936][ T7259] ? lock_downgrade+0x840/0x840 [ 63.973761][ T7259] ? __local_bh_enable_ip+0x159/0x270 [ 63.979107][ T7259] ? lockdep_hardirqs_on+0x463/0x620 [ 63.984376][ T7259] ? inet_autobind+0x130/0x190 [ 63.989137][ T7259] ? __local_bh_enable_ip+0x159/0x270 [ 63.994487][ T7259] ? inet6_sendmsg+0x99/0xe0 [ 63.999053][ T7259] inet6_sendmsg+0x99/0xe0 [ 64.003457][ T7259] ? inet6_ioctl+0x1b0/0x1b0 [ 64.008024][ T7259] sock_sendmsg+0xcf/0x120 [ 64.012428][ T7259] __sys_sendto+0x220/0x330 [ 64.016905][ T7259] ? __ia32_sys_getpeername+0xb0/0xb0 [ 64.022271][ T7259] ? _copy_to_user+0x126/0x160 [ 64.029371][ T7259] ? ns_to_kernel_old_timeval+0x100/0x100 [ 64.035086][ T7259] ? __x64_sys_futex+0x380/0x4f0 [ 64.040014][ T7259] ? __x64_sys_clock_gettime+0x165/0x240 [ 64.045619][ T7259] ? __ia32_sys_clock_settime+0x260/0x260 [ 64.051419][ T7259] __x64_sys_sendto+0xdd/0x1b0 [ 64.056156][ T7259] ? lockdep_hardirqs_on+0x463/0x620 [ 64.061593][ T7259] do_syscall_64+0xf6/0x7d0 [ 64.066074][ T7259] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 64.071942][ T7259] RIP: 0033:0x45c829 [ 64.075823][ T7259] Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.095425][ T7259] RSP: 002b:00007f730170ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 64.103829][ T7259] RAX: ffffffffffffffda RBX: 0000000000500fa0 RCX: 000000000045c829 [ 64.111776][ T7259] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 64.119724][ T7259] RBP: 000000000078bf00 R08: 00000000200001c0 R09: 000000000000001c [ 64.127669][ T7259] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 64.135621][ T7259] R13: 0000000000000a0f R14: 00000000004ccc62 R15: 00007f730170f6d4 [ 64.145050][ T7259] Kernel Offset: disabled [ 64.149390][ T7259] Rebooting in 86400 seconds..