Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts. executing program [ 72.252970][ T8382] netlink: 4 bytes leftover after parsing attributes in process `syz-executor830'. [ 72.269222][ T8382] netlink: 16 bytes leftover after parsing attributes in process `syz-executor830'. [ 72.279920][ T8382] ------------[ cut here ]------------ [ 72.285526][ T8382] refcount_t: decrement hit 0; leaking memory. [ 72.292494][ T8382] WARNING: CPU: 1 PID: 8382 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 [ 72.301990][ T8382] Modules linked in: [ 72.306683][ T8382] CPU: 1 PID: 8382 Comm: syz-executor830 Not tainted 5.12.0-rc4-syzkaller #0 [ 72.316039][ T8382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.326225][ T8382] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 72.332323][ T8382] Code: 1d 6a 5a e8 09 31 ff 89 de e8 8d 1a ab fd 84 db 75 e0 e8 d4 13 ab fd 48 c7 c7 a0 e1 c1 89 c6 05 4a 5a e8 09 01 e8 2e 36 fb 04 <0f> 0b eb c4 e8 b8 13 ab fd 0f b6 1d 39 5a e8 09 31 ff 89 de e8 58 [ 72.352237][ T8382] RSP: 0018:ffffc90000f1ef28 EFLAGS: 00010282 [ 72.358592][ T8382] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.366726][ T8382] RDX: ffff888020010000 RSI: ffffffff815c51f5 RDI: fffff520001e3dd7 [ 72.374867][ T8382] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 72.382852][ T8382] R10: ffffffff815bdf8e R11: 0000000000000000 R12: ffff88802b784568 [ 72.390941][ T8382] R13: ffff888022a80800 R14: 00000000ffffffff R15: ffffffff8d659b80 [ 72.399027][ T8382] FS: 0000000000ce5300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.408086][ T8382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.414835][ T8382] CR2: 0000000020000180 CR3: 00000000251f9000 CR4: 00000000001506e0 [ 72.422807][ T8382] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.430882][ T8382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.438938][ T8382] Call Trace: [ 72.442226][ T8382] vti6_dev_uninit+0x31a/0x360 [ 72.447069][ T8382] ? vti6_dellink+0x2c0/0x2c0 [ 72.451798][ T8382] register_netdevice+0xadf/0x1500 [ 72.456983][ T8382] ? netdev_change_features+0xb0/0xb0 [ 72.462381][ T8382] vti6_tnl_create2+0x1b5/0x400 [ 72.467475][ T8382] vti6_newlink+0x9d/0xd0 [ 72.471814][ T8382] ? vti6_changelink+0x480/0x480 [ 72.476811][ T8382] __rtnl_newlink+0x1062/0x1710 [ 72.481684][ T8382] ? rtnl_setlink+0x3c0/0x3c0 [ 72.486448][ T8382] ? mark_lock+0xef/0x17b0 [ 72.490875][ T8382] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.496909][ T8382] ? lock_chain_count+0x20/0x20 [ 72.501778][ T8382] ? find_held_lock+0x2d/0x110 [ 72.506616][ T8382] ? stack_depot_save+0x239/0x4e0 [ 72.511671][ T8382] ? mark_held_locks+0x9f/0xe0 [ 72.516481][ T8382] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 72.522313][ T8382] ? lockdep_hardirqs_on+0x79/0x100 [ 72.527677][ T8382] ? fs_reclaim_release+0x9c/0xe0 [ 72.532740][ T8382] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.538402][ T8382] rtnl_newlink+0x64/0xa0 [ 72.542751][ T8382] ? __rtnl_newlink+0x1710/0x1710 [ 72.547883][ T8382] rtnetlink_rcv_msg+0x44e/0xad0 [ 72.552833][ T8382] ? rtnetlink_put_metrics+0x510/0x510 [ 72.558609][ T8382] netlink_rcv_skb+0x153/0x420 [ 72.563487][ T8382] ? rtnetlink_put_metrics+0x510/0x510 [ 72.568961][ T8382] ? netlink_ack+0xaa0/0xaa0 [ 72.573598][ T8382] ? netlink_deliver_tap+0x227/0xba0 [ 72.578900][ T8382] netlink_unicast+0x533/0x7d0 [ 72.583741][ T8382] ? netlink_attachskb+0x870/0x870 [ 72.588884][ T8382] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.595172][ T8382] ? __phys_addr_symbol+0x2c/0x70 [ 72.600210][ T8382] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.605994][ T8382] ? __check_object_size+0x171/0x3f0 [ 72.611306][ T8382] netlink_sendmsg+0x856/0xd90 [ 72.616135][ T8382] ? netlink_unicast+0x7d0/0x7d0 [ 72.621108][ T8382] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.627424][ T8382] ? netlink_unicast+0x7d0/0x7d0 [ 72.632373][ T8382] sock_sendmsg+0xcf/0x120 [ 72.636851][ T8382] ____sys_sendmsg+0x331/0x810 [ 72.641630][ T8382] ? kernel_sendmsg+0x50/0x50 [ 72.646414][ T8382] ? do_recvmmsg+0x6d0/0x6d0 [ 72.651010][ T8382] ? __kasan_slab_alloc+0x75/0x90 [ 72.656093][ T8382] ? kmem_cache_alloc+0x155/0x370 [ 72.661140][ T8382] ? security_file_alloc+0x34/0x170 [ 72.666436][ T8382] ? alloc_file+0x5e/0x5a0 [ 72.670869][ T8382] ? alloc_file_pseudo+0x165/0x250 [ 72.676050][ T8382] ? sock_alloc_file+0x4f/0x190 [ 72.680910][ T8382] ? __sys_socket+0x13d/0x200 [ 72.685666][ T8382] ? __x64_sys_socket+0x6f/0xb0 [ 72.690545][ T8382] ? do_syscall_64+0x2d/0x70 [ 72.695192][ T8382] ? mark_lock+0xef/0x17b0 [ 72.699634][ T8382] ___sys_sendmsg+0xf3/0x170 [ 72.704311][ T8382] ? sendmsg_copy_msghdr+0x160/0x160 [ 72.709621][ T8382] ? mark_lock+0xef/0x17b0 [ 72.714084][ T8382] ? lock_chain_count+0x20/0x20 [ 72.718945][ T8382] ? fs_reclaim_release+0x9c/0xe0 [ 72.724059][ T8382] ? lock_chain_count+0x20/0x20 [ 72.728921][ T8382] ? __lock_acquire+0xb43/0x54c0 [ 72.733913][ T8382] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.740168][ T8382] ? __fget_light+0x215/0x280 [ 72.744937][ T8382] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.751227][ T8382] __sys_sendmmsg+0x195/0x470 [ 72.756014][ T8382] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 72.761047][ T8382] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.767371][ T8382] ? find_held_lock+0x2d/0x110 [ 72.772155][ T8382] ? __context_tracking_exit+0xb8/0xe0 [ 72.777677][ T8382] ? lock_downgrade+0x6e0/0x6e0 [ 72.782551][ T8382] __x64_sys_sendmmsg+0x99/0x100 [ 72.787572][ T8382] ? syscall_enter_from_user_mode+0x27/0x70 [ 72.793553][ T8382] do_syscall_64+0x2d/0x70 [ 72.797986][ T8382] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.803988][ T8382] RIP: 0033:0x43f2a9 [ 72.807887][ T8382] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 72.827578][ T8382] RSP: 002b:00007ffdd7b3a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 72.836098][ T8382] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f2a9 [ 72.844181][ T8382] RDX: 04000000000001f2 RSI: 0000000020000000 RDI: 0000000000000004 [ 72.852174][ T8382] RBP: 0000000000403290 R08: 0000000000400488 R09: 0000000000400488 [ 72.860201][ T8382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403320 [ 72.868250][ T8382] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 72.876297][ T8382] Kernel panic - not syncing: panic_on_warn set ... [ 72.883051][ T8382] CPU: 1 PID: 8382 Comm: syz-executor830 Not tainted 5.12.0-rc4-syzkaller #0 [ 72.891808][ T8382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.901859][ T8382] Call Trace: [ 72.905126][ T8382] dump_stack+0x141/0x1d7 [ 72.909444][ T8382] panic+0x306/0x73d [ 72.913324][ T8382] ? __warn_printk+0xf3/0xf3 [ 72.917966][ T8382] ? __warn.cold+0x1a/0x44 [ 72.922381][ T8382] ? refcount_warn_saturate+0xbf/0x1e0 [ 72.927827][ T8382] __warn.cold+0x35/0x44 [ 72.932072][ T8382] ? wake_up_klogd.part.0+0x8e/0xd0 [ 72.937262][ T8382] ? refcount_warn_saturate+0xbf/0x1e0 [ 72.942705][ T8382] report_bug+0x1bd/0x210 [ 72.947040][ T8382] handle_bug+0x3c/0x60 [ 72.951182][ T8382] exc_invalid_op+0x14/0x40 [ 72.955670][ T8382] asm_exc_invalid_op+0x12/0x20 [ 72.960511][ T8382] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 72.966569][ T8382] Code: 1d 6a 5a e8 09 31 ff 89 de e8 8d 1a ab fd 84 db 75 e0 e8 d4 13 ab fd 48 c7 c7 a0 e1 c1 89 c6 05 4a 5a e8 09 01 e8 2e 36 fb 04 <0f> 0b eb c4 e8 b8 13 ab fd 0f b6 1d 39 5a e8 09 31 ff 89 de e8 58 [ 72.986178][ T8382] RSP: 0018:ffffc90000f1ef28 EFLAGS: 00010282 [ 72.992231][ T8382] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 73.000183][ T8382] RDX: ffff888020010000 RSI: ffffffff815c51f5 RDI: fffff520001e3dd7 [ 73.008138][ T8382] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 73.016090][ T8382] R10: ffffffff815bdf8e R11: 0000000000000000 R12: ffff88802b784568 [ 73.024042][ T8382] R13: ffff888022a80800 R14: 00000000ffffffff R15: ffffffff8d659b80 [ 73.032015][ T8382] ? wake_up_klogd.part.0+0x8e/0xd0 [ 73.037202][ T8382] ? vprintk_func+0x95/0x1e0 [ 73.041799][ T8382] ? refcount_warn_saturate+0xbf/0x1e0 [ 73.047240][ T8382] vti6_dev_uninit+0x31a/0x360 [ 73.051988][ T8382] ? vti6_dellink+0x2c0/0x2c0 [ 73.056648][ T8382] register_netdevice+0xadf/0x1500 [ 73.061749][ T8382] ? netdev_change_features+0xb0/0xb0 [ 73.067136][ T8382] vti6_tnl_create2+0x1b5/0x400 [ 73.071971][ T8382] vti6_newlink+0x9d/0xd0 [ 73.076285][ T8382] ? vti6_changelink+0x480/0x480 [ 73.081206][ T8382] __rtnl_newlink+0x1062/0x1710 [ 73.086048][ T8382] ? rtnl_setlink+0x3c0/0x3c0 [ 73.090721][ T8382] ? mark_lock+0xef/0x17b0 [ 73.095135][ T8382] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.101105][ T8382] ? lock_chain_count+0x20/0x20 [ 73.105948][ T8382] ? find_held_lock+0x2d/0x110 [ 73.110717][ T8382] ? stack_depot_save+0x239/0x4e0 [ 73.115758][ T8382] ? mark_held_locks+0x9f/0xe0 [ 73.120526][ T8382] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 73.126323][ T8382] ? lockdep_hardirqs_on+0x79/0x100 [ 73.131535][ T8382] ? fs_reclaim_release+0x9c/0xe0 [ 73.136570][ T8382] ? rcu_read_lock_sched_held+0x3a/0x70 [ 73.142111][ T8382] rtnl_newlink+0x64/0xa0 [ 73.146428][ T8382] ? __rtnl_newlink+0x1710/0x1710 [ 73.151461][ T8382] rtnetlink_rcv_msg+0x44e/0xad0 [ 73.156387][ T8382] ? rtnetlink_put_metrics+0x510/0x510 [ 73.161863][ T8382] netlink_rcv_skb+0x153/0x420 [ 73.166610][ T8382] ? rtnetlink_put_metrics+0x510/0x510 [ 73.172054][ T8382] ? netlink_ack+0xaa0/0xaa0 [ 73.176633][ T8382] ? netlink_deliver_tap+0x227/0xba0 [ 73.181925][ T8382] netlink_unicast+0x533/0x7d0 [ 73.186676][ T8382] ? netlink_attachskb+0x870/0x870 [ 73.191772][ T8382] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.198010][ T8382] ? __phys_addr_symbol+0x2c/0x70 [ 73.203035][ T8382] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.208744][ T8382] ? __check_object_size+0x171/0x3f0 [ 73.214018][ T8382] netlink_sendmsg+0x856/0xd90 [ 73.218771][ T8382] ? netlink_unicast+0x7d0/0x7d0 [ 73.223712][ T8382] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.229952][ T8382] ? netlink_unicast+0x7d0/0x7d0 [ 73.234881][ T8382] sock_sendmsg+0xcf/0x120 [ 73.239295][ T8382] ____sys_sendmsg+0x331/0x810 [ 73.244052][ T8382] ? kernel_sendmsg+0x50/0x50 [ 73.248718][ T8382] ? do_recvmmsg+0x6d0/0x6d0 [ 73.253293][ T8382] ? __kasan_slab_alloc+0x75/0x90 [ 73.258304][ T8382] ? kmem_cache_alloc+0x155/0x370 [ 73.263329][ T8382] ? security_file_alloc+0x34/0x170 [ 73.268576][ T8382] ? alloc_file+0x5e/0x5a0 [ 73.272992][ T8382] ? alloc_file_pseudo+0x165/0x250 [ 73.278104][ T8382] ? sock_alloc_file+0x4f/0x190 [ 73.282953][ T8382] ? __sys_socket+0x13d/0x200 [ 73.287622][ T8382] ? __x64_sys_socket+0x6f/0xb0 [ 73.292507][ T8382] ? do_syscall_64+0x2d/0x70 [ 73.297120][ T8382] ? mark_lock+0xef/0x17b0 [ 73.301529][ T8382] ___sys_sendmsg+0xf3/0x170 [ 73.306112][ T8382] ? sendmsg_copy_msghdr+0x160/0x160 [ 73.311385][ T8382] ? mark_lock+0xef/0x17b0 [ 73.315785][ T8382] ? lock_chain_count+0x20/0x20 [ 73.320622][ T8382] ? fs_reclaim_release+0x9c/0xe0 [ 73.325633][ T8382] ? lock_chain_count+0x20/0x20 [ 73.330480][ T8382] ? __lock_acquire+0xb43/0x54c0 [ 73.335409][ T8382] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.341638][ T8382] ? __fget_light+0x215/0x280 [ 73.346309][ T8382] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.352539][ T8382] __sys_sendmmsg+0x195/0x470 [ 73.357219][ T8382] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 73.362230][ T8382] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.368217][ T8382] ? find_held_lock+0x2d/0x110 [ 73.372971][ T8382] ? __context_tracking_exit+0xb8/0xe0 [ 73.378420][ T8382] ? lock_downgrade+0x6e0/0x6e0 [ 73.383358][ T8382] __x64_sys_sendmmsg+0x99/0x100 [ 73.388282][ T8382] ? syscall_enter_from_user_mode+0x27/0x70 [ 73.394168][ T8382] do_syscall_64+0x2d/0x70 [ 73.398570][ T8382] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.404449][ T8382] RIP: 0033:0x43f2a9 [ 73.408329][ T8382] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 73.427919][ T8382] RSP: 002b:00007ffdd7b3a568 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 73.436316][ T8382] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f2a9 [ 73.444271][ T8382] RDX: 04000000000001f2 RSI: 0000000020000000 RDI: 0000000000000004 [ 73.452232][ T8382] RBP: 0000000000403290 R08: 0000000000400488 R09: 0000000000400488 [ 73.460185][ T8382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403320 [ 73.468138][ T8382] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 73.476942][ T8382] Kernel Offset: disabled [ 73.481360][ T8382] Rebooting in 86400 seconds..