Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. syzkaller login: [ 94.483189][ T9375] IPVS: ftp: loaded support on port[0] = 21 [ 94.542513][ T9375] chnl_net:caif_netlink_parms(): no params data found [ 94.575401][ T9375] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.582797][ T9375] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.590806][ T9375] device bridge_slave_0 entered promiscuous mode [ 94.599227][ T9375] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.606662][ T9375] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.614626][ T9375] device bridge_slave_1 entered promiscuous mode [ 94.632801][ T9375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.645637][ T9375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.666535][ T9375] team0: Port device team_slave_0 added [ 94.676165][ T9375] team0: Port device team_slave_1 added [ 94.747021][ T9375] device hsr_slave_0 entered promiscuous mode [ 94.814144][ T9375] device hsr_slave_1 entered promiscuous mode [ 94.919394][ T9375] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.956892][ T9375] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 95.006555][ T9375] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 95.057699][ T9375] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.114097][ T9375] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.121230][ T9375] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.129105][ T9375] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.136210][ T9375] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.177744][ T9375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.190727][ T3214] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.200811][ T3214] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.209356][ T3214] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.217595][ T3214] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 95.230268][ T9375] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.241653][ T3220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 95.250518][ T3220] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.257655][ T3220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.268708][ T3214] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 95.277898][ T3214] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.285143][ T3214] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.306630][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 95.316295][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 95.332476][ T9375] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 95.343232][ T9375] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 95.355800][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 95.364299][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 95.372918][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.381342][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.399925][ T3214] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 95.407449][ T3214] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 95.420189][ T9375] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.440646][ T2701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 95.461785][ T9375] device veth0_vlan entered promiscuous mode [ 95.469305][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 95.477968][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready executing program [ 95.485979][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 95.498928][ T9375] device veth1_vlan entered promiscuous mode [ 95.534114][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 95.542070][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 95.604152][ T9377] ================================================================== [ 95.612386][ T9377] BUG: KASAN: slab-out-of-bounds in macvlan_broadcast+0x547/0x620 [ 95.620181][ T9377] Read of size 4 at addr ffff888092ae8401 by task syz-executor065/9377 [ 95.628408][ T9377] [ 95.630722][ T9377] CPU: 1 PID: 9377 Comm: syz-executor065 Not tainted 5.5.0-rc5-syzkaller #0 [ 95.639383][ T9377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.649471][ T9377] Call Trace: [ 95.652759][ T9377] dump_stack+0x197/0x210 [ 95.657170][ T9377] ? macvlan_broadcast+0x547/0x620 [ 95.662267][ T9377] print_address_description.constprop.0.cold+0xd4/0x30b [ 95.669284][ T9377] ? macvlan_broadcast+0x547/0x620 [ 95.674388][ T9377] ? macvlan_broadcast+0x547/0x620 [ 95.679479][ T9377] __kasan_report.cold+0x1b/0x41 [ 95.684407][ T9377] ? validate_xmit_xfrm+0x3d0/0xf10 [ 95.689592][ T9377] ? macvlan_broadcast+0x547/0x620 [ 95.694683][ T9377] kasan_report+0x12/0x20 [ 95.699009][ T9377] __asan_report_load_n_noabort+0xf/0x20 [ 95.704645][ T9377] macvlan_broadcast+0x547/0x620 [ 95.709586][ T9377] ? validate_xmit_skb+0x81f/0xe50 [ 95.714696][ T9377] macvlan_start_xmit+0x402/0x77f [ 95.719707][ T9377] dev_direct_xmit+0x419/0x630 [ 95.724463][ T9377] ? __check_heap_object+0x51/0xb3 [ 95.729567][ T9377] ? validate_xmit_skb_list+0x150/0x150 [ 95.735098][ T9377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 95.741333][ T9377] ? netdev_pick_tx+0x14e/0xb00 [ 95.746179][ T9377] packet_direct_xmit+0x1a9/0x250 [ 95.751184][ T9377] packet_sendmsg+0x260d/0x6220 [ 95.756019][ T9377] ? ___might_sleep+0x163/0x2c0 [ 95.760859][ T9377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 95.767100][ T9377] ? aa_label_sk_perm+0x91/0xf0 [ 95.771937][ T9377] ? packet_notifier+0x880/0x880 [ 95.776865][ T9377] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 95.782405][ T9377] ? apparmor_socket_sendmsg+0x2a/0x30 [ 95.787849][ T9377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.794083][ T9377] ? security_socket_sendmsg+0x8d/0xc0 [ 95.799532][ T9377] ? packet_notifier+0x880/0x880 [ 95.804460][ T9377] sock_sendmsg+0xd7/0x130 [ 95.808879][ T9377] __sys_sendto+0x262/0x380 [ 95.813363][ T9377] ? __ia32_sys_getpeername+0xb0/0xb0 [ 95.818721][ T9377] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 95.824870][ T9377] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.830405][ T9377] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 95.836371][ T9377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 95.841810][ T9377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 95.847249][ T9377] ? do_syscall_64+0x26/0x790 [ 95.851908][ T9377] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.857958][ T9377] __x64_sys_sendto+0xe1/0x1a0 [ 95.862732][ T9377] do_syscall_64+0xfa/0x790 [ 95.867240][ T9377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.873127][ T9377] RIP: 0033:0x442e39 [ 95.877015][ T9377] Code: e8 ac 07 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 1b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.896608][ T9377] RSP: 002b:00007fffd3244c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 95.905018][ T9377] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442e39 [ 95.912979][ T9377] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000003 [ 95.920931][ T9377] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 95.928898][ T9377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.936850][ T9377] R13: 0000000000403d70 R14: 0000000000000000 R15: 0000000000000000 [ 95.944825][ T9377] [ 95.947147][ T9377] Allocated by task 9275: [ 95.951467][ T9377] save_stack+0x23/0x90 [ 95.955608][ T9377] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 95.961216][ T9377] kasan_slab_alloc+0xf/0x20 [ 95.965784][ T9377] kmem_cache_alloc+0x121/0x710 [ 95.970612][ T9377] getname_flags+0xd6/0x5b0 [ 95.975097][ T9377] getname+0x1a/0x20 [ 95.978978][ T9377] do_sys_open+0x2c9/0x5d0 [ 95.983380][ T9377] __x64_sys_open+0x7e/0xc0 [ 95.987866][ T9377] do_syscall_64+0xfa/0x790 [ 95.992346][ T9377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.998209][ T9377] [ 96.000515][ T9377] Freed by task 9275: [ 96.004488][ T9377] save_stack+0x23/0x90 [ 96.008637][ T9377] __kasan_slab_free+0x102/0x150 [ 96.013550][ T9377] kasan_slab_free+0xe/0x10 [ 96.018028][ T9377] kmem_cache_free+0x86/0x320 [ 96.022682][ T9377] putname+0xef/0x130 [ 96.026644][ T9377] do_sys_open+0x318/0x5d0 [ 96.031036][ T9377] __x64_sys_open+0x7e/0xc0 [ 96.035523][ T9377] do_syscall_64+0xfa/0x790 [ 96.040005][ T9377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.045867][ T9377] [ 96.048173][ T9377] The buggy address belongs to the object at ffff888092ae85c0 [ 96.048173][ T9377] which belongs to the cache names_cache of size 4096 [ 96.062302][ T9377] The buggy address is located 447 bytes to the left of [ 96.062302][ T9377] 4096-byte region [ffff888092ae85c0, ffff888092ae95c0) [ 96.076069][ T9377] The buggy address belongs to the page: [ 96.081682][ T9377] page:ffffea00024aba00 refcount:1 mapcount:0 mapping:ffff8880aa5fda80 index:0x0 compound_mapcount: 0 [ 96.092595][ T9377] raw: 00fffe0000010200 ffffea0002523608 ffffea0002923e08 ffff8880aa5fda80 [ 96.101172][ T9377] raw: 0000000000000000 ffff888092ae85c0 0000000100000001 0000000000000000 [ 96.109730][ T9377] page dumped because: kasan: bad access detected [ 96.116131][ T9377] [ 96.118443][ T9377] Memory state around the buggy address: [ 96.124068][ T9377] ffff888092ae8300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.132153][ T9377] ffff888092ae8380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.140218][ T9377] >ffff888092ae8400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.148266][ T9377] ^ [ 96.152323][ T9377] ffff888092ae8480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.160371][ T9377] ffff888092ae8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 96.168409][ T9377] ================================================================== [ 96.176480][ T9377] Disabling lock debugging due to kernel taint [ 96.182656][ T9377] Kernel panic - not syncing: panic_on_warn set ... [ 96.189240][ T9377] CPU: 1 PID: 9377 Comm: syz-executor065 Tainted: G B 5.5.0-rc5-syzkaller #0 [ 96.199332][ T9377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.209364][ T9377] Call Trace: [ 96.212636][ T9377] dump_stack+0x197/0x210 [ 96.216946][ T9377] panic+0x2e3/0x75c [ 96.220838][ T9377] ? add_taint.cold+0x16/0x16 [ 96.225506][ T9377] ? trace_hardirqs_on+0x5e/0x240 [ 96.230513][ T9377] ? trace_hardirqs_on+0x5e/0x240 [ 96.235530][ T9377] ? macvlan_broadcast+0x547/0x620 [ 96.240624][ T9377] end_report+0x47/0x4f [ 96.244865][ T9377] ? macvlan_broadcast+0x547/0x620 [ 96.249955][ T9377] __kasan_report.cold+0xe/0x41 [ 96.254794][ T9377] ? validate_xmit_xfrm+0x3d0/0xf10 [ 96.259975][ T9377] ? macvlan_broadcast+0x547/0x620 [ 96.265070][ T9377] kasan_report+0x12/0x20 [ 96.269380][ T9377] __asan_report_load_n_noabort+0xf/0x20 [ 96.275043][ T9377] macvlan_broadcast+0x547/0x620 [ 96.279960][ T9377] ? validate_xmit_skb+0x81f/0xe50 [ 96.285051][ T9377] macvlan_start_xmit+0x402/0x77f [ 96.290094][ T9377] dev_direct_xmit+0x419/0x630 [ 96.294838][ T9377] ? __check_heap_object+0x51/0xb3 [ 96.299928][ T9377] ? validate_xmit_skb_list+0x150/0x150 [ 96.305504][ T9377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.311721][ T9377] ? netdev_pick_tx+0x14e/0xb00 [ 96.316553][ T9377] packet_direct_xmit+0x1a9/0x250 [ 96.321559][ T9377] packet_sendmsg+0x260d/0x6220 [ 96.326390][ T9377] ? ___might_sleep+0x163/0x2c0 [ 96.331219][ T9377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.337434][ T9377] ? aa_label_sk_perm+0x91/0xf0 [ 96.342318][ T9377] ? packet_notifier+0x880/0x880 [ 96.347237][ T9377] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 96.352770][ T9377] ? apparmor_socket_sendmsg+0x2a/0x30 [ 96.358215][ T9377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.364654][ T9377] ? security_socket_sendmsg+0x8d/0xc0 [ 96.370106][ T9377] ? packet_notifier+0x880/0x880 [ 96.375045][ T9377] sock_sendmsg+0xd7/0x130 [ 96.379464][ T9377] __sys_sendto+0x262/0x380 [ 96.383965][ T9377] ? __ia32_sys_getpeername+0xb0/0xb0 [ 96.389345][ T9377] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 96.395514][ T9377] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.401060][ T9377] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 96.407027][ T9377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.412477][ T9377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.417913][ T9377] ? do_syscall_64+0x26/0x790 [ 96.422583][ T9377] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.428629][ T9377] __x64_sys_sendto+0xe1/0x1a0 [ 96.433379][ T9377] do_syscall_64+0xfa/0x790 [ 96.437870][ T9377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.443796][ T9377] RIP: 0033:0x442e39 [ 96.447685][ T9377] Code: e8 ac 07 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 1b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.467271][ T9377] RSP: 002b:00007fffd3244c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 96.475716][ T9377] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442e39 [ 96.483827][ T9377] RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000003 [ 96.491791][ T9377] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 96.499745][ T9377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.507706][ T9377] R13: 0000000000403d70 R14: 0000000000000000 R15: 0000000000000000 [ 96.517120][ T9377] Kernel Offset: disabled [ 96.521458][ T9377] Rebooting in 86400 seconds..