Warning: Permanently added '10.128.0.229' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 61.530532][ T6816] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.537174][ T6821] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.549350][ T6822] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.550204][ T6824] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.560659][ T6823] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.568657][ T6822] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.586804][ T6823] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.594994][ T6821] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.603736][ T6816] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.614758][ T6825] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. executing program executing program executing program executing program executing program executing program [ 61.615216][ T6824] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.641497][ T6827] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.641931][ T6825] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.663247][ T6826] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. executing program executing program [ 61.673174][ T6829] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.675973][ T6831] netlink: 6 bytes leftover after parsing attributes in process `syz-executor875'. [ 61.682937][ T6827] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.700995][ T6830] netlink: 'syz-executor875': attribute type 2 has an invalid length. [ 61.710606][ T6831] netlink: 'syz-executor875': attribute type 2 has an invalid length. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 61.724592][ T6826] netlink: 'syz-executor875': attribute type 2 has an invalid length. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 61.850039][ T6869] ================================================================== [ 61.858321][ T6869] BUG: KASAN: vmalloc-out-of-bounds in tipc_nl_publ_dump+0xae0/0xce0 [ 61.866389][ T6869] Read of size 2 at addr ffffc900025cf014 by task syz-executor875/6869 [ 61.874650][ T6869] [ 61.876984][ T6869] CPU: 0 PID: 6869 Comm: syz-executor875 Not tainted 5.8.0-rc1-syzkaller #0 [ 61.885659][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.895729][ T6869] Call Trace: [ 61.899042][ T6869] dump_stack+0x18f/0x20d [ 61.903389][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 61.908507][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 61.913607][ T6869] print_address_description.constprop.0.cold+0x5/0x436 [ 61.920528][ T6869] ? vprintk_func+0x97/0x1a6 [ 61.925111][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 61.930213][ T6869] kasan_report.cold+0x1f/0x37 [ 61.934961][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 61.940058][ T6869] tipc_nl_publ_dump+0xae0/0xce0 [ 61.944979][ T6869] ? __mutex_lock+0x626/0x10d0 [ 61.949726][ T6869] ? tipc_nl_sk_dump+0x30/0x30 [ 61.954518][ T6869] ? check_preemption_disabled+0x38/0x220 [ 61.960273][ T6869] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 61.965805][ T6869] ? kmem_cache_alloc_node_trace+0x3b0/0x400 [ 61.971786][ T6869] ? __kmalloc_node_track_caller+0x38/0x60 [ 61.977588][ T6869] ? kasan_unpoison_shadow+0x33/0x40 [ 61.982870][ T6869] ? __phys_addr+0x9a/0x110 [ 61.987381][ T6869] ? memset+0x20/0x40 [ 61.991352][ T6869] genl_lock_dumpit+0x7f/0xb0 [ 61.996026][ T6869] netlink_dump+0x4cd/0xf60 [ 62.000551][ T6869] ? netlink_insert+0x1670/0x1670 [ 62.005661][ T6869] ? __mutex_unlock_slowpath+0xe2/0x610 [ 62.011210][ T6869] ? genl_start+0x45a/0x6e0 [ 62.015709][ T6869] __netlink_dump_start+0x643/0x900 [ 62.020888][ T6869] ? genl_rcv_msg+0x9e0/0x9e0 [ 62.025549][ T6869] ? tipc_nl_sk_dump+0x30/0x30 [ 62.030307][ T6869] genl_family_rcv_msg_dumpit+0x2ac/0x310 [ 62.036143][ T6869] ? genl_rcv+0x40/0x40 [ 62.040291][ T6869] ? mutex_lock_io_nested+0xf60/0xf60 [ 62.045658][ T6869] ? mark_lock+0xbc/0x1710 [ 62.050123][ T6869] ? genl_rcv_msg+0x9e0/0x9e0 [ 62.054783][ T6869] ? genl_unlock+0x20/0x20 [ 62.059186][ T6869] ? genl_parallel_done+0x170/0x170 [ 62.064429][ T6869] ? __radix_tree_lookup+0x1f3/0x290 [ 62.069761][ T6869] genl_rcv_msg+0x797/0x9e0 [ 62.074321][ T6869] ? genl_family_rcv_msg_attrs_parse.isra.0+0x310/0x310 [ 62.081240][ T6869] ? lock_acquire+0x1f1/0xad0 [ 62.085912][ T6869] ? genl_rcv+0x15/0x40 [ 62.090058][ T6869] ? lock_release+0x8d0/0x8d0 [ 62.094734][ T6869] netlink_rcv_skb+0x15a/0x430 [ 62.099499][ T6869] ? genl_family_rcv_msg_attrs_parse.isra.0+0x310/0x310 [ 62.106675][ T6869] ? netlink_ack+0xa10/0xa10 [ 62.111261][ T6869] genl_rcv+0x24/0x40 [ 62.115240][ T6869] netlink_unicast+0x533/0x7d0 [ 62.120003][ T6869] ? netlink_attachskb+0x810/0x810 [ 62.125103][ T6869] ? _copy_from_iter_full+0x247/0x890 [ 62.130472][ T6869] ? __phys_addr_symbol+0x2c/0x70 [ 62.135480][ T6869] ? __check_object_size+0x171/0x3e4 [ 62.140751][ T6869] netlink_sendmsg+0x856/0xd90 [ 62.145502][ T6869] ? netlink_unicast+0x7d0/0x7d0 [ 62.150517][ T6869] ? netlink_unicast+0x7d0/0x7d0 [ 62.155436][ T6869] sock_sendmsg+0xcf/0x120 [ 62.159850][ T6869] ____sys_sendmsg+0x6e8/0x810 [ 62.164608][ T6869] ? kernel_sendmsg+0x50/0x50 [ 62.169283][ T6869] ? do_recvmmsg+0x6d0/0x6d0 [ 62.173862][ T6869] ___sys_sendmsg+0xf3/0x170 [ 62.178453][ T6869] ? sendmsg_copy_msghdr+0x160/0x160 [ 62.183740][ T6869] ? do_huge_pmd_anonymous_page+0x1b94/0x2230 [ 62.189864][ T6869] ? check_preemption_disabled+0x38/0x220 [ 62.195603][ T6869] ? do_huge_pmd_anonymous_page+0x8ef/0x2230 [ 62.201600][ T6869] ? handle_mm_fault+0xad9/0x4420 [ 62.206608][ T6869] ? __fget_light+0x215/0x280 [ 62.211319][ T6869] __sys_sendmsg+0xe5/0x1b0 [ 62.215804][ T6869] ? __sys_sendmsg_sock+0xb0/0xb0 [ 62.220823][ T6869] ? check_preemption_disabled+0x38/0x220 [ 62.226532][ T6869] ? do_syscall_64+0x1c/0xe0 [ 62.231112][ T6869] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.237091][ T6869] do_syscall_64+0x60/0xe0 [ 62.241492][ T6869] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.247365][ T6869] RIP: 0033:0x441319 [ 62.251234][ T6869] Code: Bad RIP value. [ 62.255309][ T6869] RSP: 002b:00007ffed2858f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.263700][ T6869] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319 [ 62.271651][ T6869] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 62.279620][ T6869] RBP: 000000000000f182 R08: 00000000004002c8 R09: 00000000004002c8 [ 62.287571][ T6869] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402090 [ 62.295520][ T6869] R13: 0000000000402120 R14: 0000000000000000 R15: 0000000000000000 [ 62.303479][ T6869] [ 62.305783][ T6869] [ 62.308086][ T6869] Memory state around the buggy address: [ 62.313709][ T6869] ffffc900025cef00: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 [ 62.321769][ T6869] ffffc900025cef80: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 [ 62.329813][ T6869] >ffffc900025cf000: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 [ 62.337850][ T6869] ^ [ 62.342433][ T6869] ffffc900025cf080: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 executing program [ 62.350486][ T6869] ffffc900025cf100: f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 f9 [ 62.358538][ T6869] ================================================================== [ 62.366598][ T6869] Disabling lock debugging due to kernel taint [ 62.394158][ T6869] Kernel panic - not syncing: panic_on_warn set ... [ 62.400760][ T6869] CPU: 1 PID: 6869 Comm: syz-executor875 Tainted: G B 5.8.0-rc1-syzkaller #0 [ 62.410910][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.420947][ T6869] Call Trace: [ 62.424237][ T6869] dump_stack+0x18f/0x20d [ 62.428566][ T6869] ? tipc_nl_publ_dump+0xa40/0xce0 [ 62.433687][ T6869] panic+0x2e3/0x75c [ 62.437604][ T6869] ? __warn_printk+0xf3/0xf3 [ 62.442173][ T6869] ? preempt_schedule_common+0x59/0xc0 [ 62.447609][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 62.452705][ T6869] ? preempt_schedule_thunk+0x16/0x18 [ 62.458062][ T6869] ? trace_hardirqs_on+0x55/0x220 [ 62.463070][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 62.468165][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 62.473280][ T6869] end_report+0x4d/0x53 [ 62.477416][ T6869] kasan_report.cold+0xd/0x37 [ 62.482071][ T6869] ? tipc_nl_publ_dump+0xae0/0xce0 [ 62.487187][ T6869] tipc_nl_publ_dump+0xae0/0xce0 [ 62.492143][ T6869] ? __mutex_lock+0x626/0x10d0 [ 62.496904][ T6869] ? tipc_nl_sk_dump+0x30/0x30 [ 62.501663][ T6869] ? check_preemption_disabled+0x38/0x220 [ 62.507377][ T6869] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 62.512912][ T6869] ? kmem_cache_alloc_node_trace+0x3b0/0x400 [ 62.518898][ T6869] ? __kmalloc_node_track_caller+0x38/0x60 [ 62.524682][ T6869] ? kasan_unpoison_shadow+0x33/0x40 [ 62.529949][ T6869] ? __phys_addr+0x9a/0x110 [ 62.534446][ T6869] ? memset+0x20/0x40 [ 62.538437][ T6869] genl_lock_dumpit+0x7f/0xb0 [ 62.543099][ T6869] netlink_dump+0x4cd/0xf60 [ 62.547602][ T6869] ? netlink_insert+0x1670/0x1670 [ 62.552599][ T6869] ? __mutex_unlock_slowpath+0xe2/0x610 [ 62.558136][ T6869] ? genl_start+0x45a/0x6e0 [ 62.562619][ T6869] __netlink_dump_start+0x643/0x900 [ 62.567794][ T6869] ? genl_rcv_msg+0x9e0/0x9e0 [ 62.572448][ T6869] ? tipc_nl_sk_dump+0x30/0x30 [ 62.577188][ T6869] genl_family_rcv_msg_dumpit+0x2ac/0x310 [ 62.582908][ T6869] ? genl_rcv+0x40/0x40 [ 62.587043][ T6869] ? mutex_lock_io_nested+0xf60/0xf60 [ 62.592401][ T6869] ? mark_lock+0xbc/0x1710 [ 62.596811][ T6869] ? genl_rcv_msg+0x9e0/0x9e0 [ 62.601482][ T6869] ? genl_unlock+0x20/0x20 [ 62.605876][ T6869] ? genl_parallel_done+0x170/0x170 [ 62.611056][ T6869] ? __radix_tree_lookup+0x1f3/0x290 [ 62.616332][ T6869] genl_rcv_msg+0x797/0x9e0 [ 62.620819][ T6869] ? genl_family_rcv_msg_attrs_parse.isra.0+0x310/0x310 [ 62.627756][ T6869] ? lock_acquire+0x1f1/0xad0 [ 62.632420][ T6869] ? genl_rcv+0x15/0x40 [ 62.636559][ T6869] ? lock_release+0x8d0/0x8d0 [ 62.641216][ T6869] netlink_rcv_skb+0x15a/0x430 [ 62.645962][ T6869] ? genl_family_rcv_msg_attrs_parse.isra.0+0x310/0x310 [ 62.652874][ T6869] ? netlink_ack+0xa10/0xa10 [ 62.657455][ T6869] genl_rcv+0x24/0x40 [ 62.661428][ T6869] netlink_unicast+0x533/0x7d0 [ 62.666185][ T6869] ? netlink_attachskb+0x810/0x810 [ 62.671277][ T6869] ? _copy_from_iter_full+0x247/0x890 [ 62.676629][ T6869] ? __phys_addr_symbol+0x2c/0x70 [ 62.681631][ T6869] ? __check_object_size+0x171/0x3e4 [ 62.686904][ T6869] netlink_sendmsg+0x856/0xd90 [ 62.691660][ T6869] ? netlink_unicast+0x7d0/0x7d0 [ 62.696603][ T6869] ? netlink_unicast+0x7d0/0x7d0 [ 62.701530][ T6869] sock_sendmsg+0xcf/0x120 [ 62.705941][ T6869] ____sys_sendmsg+0x6e8/0x810 [ 62.710703][ T6869] ? kernel_sendmsg+0x50/0x50 [ 62.715367][ T6869] ? do_recvmmsg+0x6d0/0x6d0 [ 62.719946][ T6869] ___sys_sendmsg+0xf3/0x170 [ 62.724545][ T6869] ? sendmsg_copy_msghdr+0x160/0x160 [ 62.729820][ T6869] ? do_huge_pmd_anonymous_page+0x1b94/0x2230 [ 62.735887][ T6869] ? check_preemption_disabled+0x38/0x220 [ 62.741601][ T6869] ? do_huge_pmd_anonymous_page+0x8ef/0x2230 [ 62.747581][ T6869] ? handle_mm_fault+0xad9/0x4420 [ 62.752594][ T6869] ? __fget_light+0x215/0x280 [ 62.757263][ T6869] __sys_sendmsg+0xe5/0x1b0 [ 62.761772][ T6869] ? __sys_sendmsg_sock+0xb0/0xb0 [ 62.766779][ T6869] ? check_preemption_disabled+0x38/0x220 [ 62.772506][ T6869] ? do_syscall_64+0x1c/0xe0 [ 62.777073][ T6869] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.783030][ T6869] do_syscall_64+0x60/0xe0 [ 62.787426][ T6869] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.793299][ T6869] RIP: 0033:0x441319 [ 62.797173][ T6869] Code: Bad RIP value. [ 62.801221][ T6869] RSP: 002b:00007ffed2858f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.809624][ T6869] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319 [ 62.817587][ T6869] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 62.825540][ T6869] RBP: 000000000000f182 R08: 00000000004002c8 R09: 00000000004002c8 [ 62.833514][ T6869] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402090 [ 62.841464][ T6869] R13: 0000000000402120 R14: 0000000000000000 R15: 0000000000000000 [ 62.850704][ T6869] Kernel Offset: disabled [ 62.855033][ T6869] Rebooting in 86400 seconds..