Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. executing program executing program [ 69.100215][ T8384] ------------[ cut here ]------------ [ 69.106056][ T8384] refcount_t: decrement hit 0; leaking memory. [ 69.114786][ T8384] WARNING: CPU: 0 PID: 8384 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 [ 69.126185][ T8384] Modules linked in: [ 69.131680][ T8384] CPU: 0 PID: 8384 Comm: syz-executor989 Not tainted 5.12.0-rc4-syzkaller #0 [ 69.141317][ T8384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.152293][ T8384] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 69.158422][ T8384] 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 [ 69.179323][ T8384] RSP: 0018:ffffc9000c6d6fa0 EFLAGS: 00010282 [ 69.185464][ T8384] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.194171][ T8384] RDX: ffff888021fdb880 RSI: ffffffff815c51f5 RDI: fffff520018dade6 [ 69.202544][ T8384] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 69.210745][ T8384] R10: ffffffff815bdf8e R11: 0000000000000000 R12: ffff888024d9e568 [ 69.218723][ T8384] R13: ffff888148479000 R14: 00000000ffffffff R15: ffffffff8d659b80 [ 69.226917][ T8384] FS: 0000000002077300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 69.235991][ T8384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.242640][ T8384] CR2: 00007ff9fce49740 CR3: 0000000020bd0000 CR4: 00000000001506e0 [ 69.250728][ T8384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.258710][ T8384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.266982][ T8384] Call Trace: [ 69.270367][ T8384] ipip6_tunnel_uninit+0x389/0x3f0 [ 69.275604][ T8384] ? ipip6_dellink+0x2d0/0x2d0 [ 69.280482][ T8384] register_netdevice+0xadf/0x1500 [ 69.285630][ T8384] ? netdev_change_features+0xb0/0xb0 [ 69.291106][ T8384] ipip6_tunnel_create+0x29e/0x4e0 [ 69.296241][ T8384] ipip6_newlink+0x137/0x370 [ 69.300963][ T8384] ? ipip6_changelink+0x5b0/0x5b0 [ 69.306002][ T8384] ? alloc_netdev_mqs+0xade/0xe80 [ 69.311120][ T8384] ? rtnl_create_link+0x746/0xae0 [ 69.316158][ T8384] ? ipip6_changelink+0x5b0/0x5b0 [ 69.321330][ T8384] __rtnl_newlink+0x1062/0x1710 [ 69.326220][ T8384] ? rtnl_setlink+0x3c0/0x3c0 [ 69.331022][ T8384] ? find_held_lock+0x2d/0x110 [ 69.335818][ T8384] ? is_bpf_text_address+0xa9/0x160 [ 69.341124][ T8384] ? lock_downgrade+0x6e0/0x6e0 [ 69.346005][ T8384] ? unwind_next_frame+0xec8/0x1ce0 [ 69.351333][ T8384] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.357442][ T8384] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 69.363277][ T8384] ? is_bpf_text_address+0xcb/0x160 [ 69.368489][ T8384] ? kernel_text_address+0xbd/0xf0 [ 69.373810][ T8384] ? __kernel_text_address+0x9/0x30 [ 69.379090][ T8384] ? unwind_get_return_address+0x51/0x90 [ 69.384832][ T8384] ? create_prof_cpu_mask+0x20/0x20 [ 69.390148][ T8384] ? arch_stack_walk+0x93/0xe0 [ 69.394972][ T8384] ? fs_reclaim_release+0x9c/0xe0 [ 69.400084][ T8384] ? rcu_read_lock_sched_held+0x3a/0x70 [ 69.405704][ T8384] rtnl_newlink+0x64/0xa0 [ 69.410123][ T8384] ? __rtnl_newlink+0x1710/0x1710 [ 69.415159][ T8384] rtnetlink_rcv_msg+0x44e/0xad0 [ 69.420160][ T8384] ? rtnetlink_put_metrics+0x510/0x510 [ 69.425650][ T8384] netlink_rcv_skb+0x153/0x420 [ 69.430511][ T8384] ? rtnetlink_put_metrics+0x510/0x510 [ 69.435983][ T8384] ? netlink_ack+0xaa0/0xaa0 [ 69.440631][ T8384] ? netlink_deliver_tap+0x227/0xba0 [ 69.445936][ T8384] netlink_unicast+0x533/0x7d0 [ 69.450796][ T8384] ? netlink_attachskb+0x870/0x870 [ 69.455916][ T8384] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.462217][ T8384] ? __phys_addr_symbol+0x2c/0x70 [ 69.467259][ T8384] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 69.473076][ T8384] ? __check_object_size+0x171/0x3f0 [ 69.478389][ T8384] netlink_sendmsg+0x856/0xd90 [ 69.483263][ T8384] ? netlink_unicast+0x7d0/0x7d0 [ 69.488253][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.494622][ T8384] ? netlink_unicast+0x7d0/0x7d0 [ 69.499669][ T8384] sock_sendmsg+0xcf/0x120 [ 69.504104][ T8384] ____sys_sendmsg+0x6e8/0x810 [ 69.508859][ T8384] ? kernel_sendmsg+0x50/0x50 [ 69.513637][ T8384] ? do_recvmmsg+0x6d0/0x6d0 [ 69.518250][ T8384] ? lock_chain_count+0x20/0x20 [ 69.523203][ T8384] ___sys_sendmsg+0xf3/0x170 [ 69.527811][ T8384] ? sendmsg_copy_msghdr+0x160/0x160 [ 69.533183][ T8384] ? __lock_acquire+0x16b3/0x54c0 [ 69.538224][ T8384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 69.544275][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.550606][ T8384] ? __fget_light+0x215/0x280 [ 69.555291][ T8384] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.561593][ T8384] __sys_sendmsg+0xe5/0x1b0 [ 69.566113][ T8384] ? __sys_sendmsg_sock+0x30/0x30 [ 69.571245][ T8384] ? syscall_enter_from_user_mode+0x27/0x70 [ 69.577153][ T8384] do_syscall_64+0x2d/0x70 [ 69.581631][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.587539][ T8384] RIP: 0033:0x43fd29 [ 69.591578][ T8384] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 69.611341][ T8384] RSP: 002b:00007fffb7c9e9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.619860][ T8384] RAX: ffffffffffffffda RBX: 0000000000010dde RCX: 000000000043fd29 [ 69.627860][ T8384] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 69.636516][ T8384] RBP: 0000000000000000 R08: 00007fffb7c9eb58 R09: 00007fffb7c9eb58 [ 69.644962][ T8384] R10: 00007fffb7c9eb58 R11: 0000000000000246 R12: 00007fffb7c9e9cc [ 69.654230][ T8384] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 0000000000400488 [ 69.662488][ T8384] Kernel panic - not syncing: panic_on_warn set ... [ 69.669075][ T8384] CPU: 0 PID: 8384 Comm: syz-executor989 Not tainted 5.12.0-rc4-syzkaller #0 [ 69.677820][ T8384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.687860][ T8384] Call Trace: [ 69.691130][ T8384] dump_stack+0x141/0x1d7 [ 69.695451][ T8384] panic+0x306/0x73d [ 69.699350][ T8384] ? __warn_printk+0xf3/0xf3 [ 69.703935][ T8384] ? __warn.cold+0x1a/0x44 [ 69.708427][ T8384] ? refcount_warn_saturate+0xbf/0x1e0 [ 69.713877][ T8384] __warn.cold+0x35/0x44 [ 69.718120][ T8384] ? refcount_warn_saturate+0xbf/0x1e0 [ 69.723833][ T8384] report_bug+0x1bd/0x210 [ 69.728176][ T8384] handle_bug+0x3c/0x60 [ 69.732332][ T8384] exc_invalid_op+0x14/0x40 [ 69.736825][ T8384] asm_exc_invalid_op+0x12/0x20 [ 69.741722][ T8384] RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 [ 69.747779][ T8384] 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 [ 69.767374][ T8384] RSP: 0018:ffffc9000c6d6fa0 EFLAGS: 00010282 [ 69.773482][ T8384] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.781454][ T8384] RDX: ffff888021fdb880 RSI: ffffffff815c51f5 RDI: fffff520018dade6 [ 69.789427][ T8384] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 69.797386][ T8384] R10: ffffffff815bdf8e R11: 0000000000000000 R12: ffff888024d9e568 [ 69.805347][ T8384] R13: ffff888148479000 R14: 00000000ffffffff R15: ffffffff8d659b80 [ 69.813406][ T8384] ? wake_up_klogd.part.0+0x8e/0xd0 [ 69.818621][ T8384] ? vprintk_func+0x95/0x1e0 [ 69.823568][ T8384] ipip6_tunnel_uninit+0x389/0x3f0 [ 69.828687][ T8384] ? ipip6_dellink+0x2d0/0x2d0 [ 69.833453][ T8384] register_netdevice+0xadf/0x1500 [ 69.838574][ T8384] ? netdev_change_features+0xb0/0xb0 [ 69.843955][ T8384] ipip6_tunnel_create+0x29e/0x4e0 [ 69.849061][ T8384] ipip6_newlink+0x137/0x370 [ 69.853645][ T8384] ? ipip6_changelink+0x5b0/0x5b0 [ 69.858659][ T8384] ? alloc_netdev_mqs+0xade/0xe80 [ 69.863686][ T8384] ? rtnl_create_link+0x746/0xae0 [ 69.868724][ T8384] ? ipip6_changelink+0x5b0/0x5b0 [ 69.873753][ T8384] __rtnl_newlink+0x1062/0x1710 [ 69.878723][ T8384] ? rtnl_setlink+0x3c0/0x3c0 [ 69.883409][ T8384] ? find_held_lock+0x2d/0x110 [ 69.888163][ T8384] ? is_bpf_text_address+0xa9/0x160 [ 69.893351][ T8384] ? lock_downgrade+0x6e0/0x6e0 [ 69.898196][ T8384] ? unwind_next_frame+0xec8/0x1ce0 [ 69.903391][ T8384] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.909500][ T8384] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 69.915220][ T8384] ? is_bpf_text_address+0xcb/0x160 [ 69.920413][ T8384] ? kernel_text_address+0xbd/0xf0 [ 69.925518][ T8384] ? __kernel_text_address+0x9/0x30 [ 69.930757][ T8384] ? unwind_get_return_address+0x51/0x90 [ 69.936382][ T8384] ? create_prof_cpu_mask+0x20/0x20 [ 69.941585][ T8384] ? arch_stack_walk+0x93/0xe0 [ 69.946385][ T8384] ? fs_reclaim_release+0x9c/0xe0 [ 69.951407][ T8384] ? rcu_read_lock_sched_held+0x3a/0x70 [ 69.956947][ T8384] rtnl_newlink+0x64/0xa0 [ 69.961271][ T8384] ? __rtnl_newlink+0x1710/0x1710 [ 69.966293][ T8384] rtnetlink_rcv_msg+0x44e/0xad0 [ 69.971235][ T8384] ? rtnetlink_put_metrics+0x510/0x510 [ 69.976715][ T8384] netlink_rcv_skb+0x153/0x420 [ 69.981504][ T8384] ? rtnetlink_put_metrics+0x510/0x510 [ 69.986961][ T8384] ? netlink_ack+0xaa0/0xaa0 [ 69.991541][ T8384] ? netlink_deliver_tap+0x227/0xba0 [ 69.996824][ T8384] netlink_unicast+0x533/0x7d0 [ 70.001659][ T8384] ? netlink_attachskb+0x870/0x870 [ 70.006765][ T8384] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.012997][ T8384] ? __phys_addr_symbol+0x2c/0x70 [ 70.018029][ T8384] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.023739][ T8384] ? __check_object_size+0x171/0x3f0 [ 70.029020][ T8384] netlink_sendmsg+0x856/0xd90 [ 70.033780][ T8384] ? netlink_unicast+0x7d0/0x7d0 [ 70.038712][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.044950][ T8384] ? netlink_unicast+0x7d0/0x7d0 [ 70.049878][ T8384] sock_sendmsg+0xcf/0x120 [ 70.054339][ T8384] ____sys_sendmsg+0x6e8/0x810 [ 70.059101][ T8384] ? kernel_sendmsg+0x50/0x50 [ 70.063782][ T8384] ? do_recvmmsg+0x6d0/0x6d0 [ 70.068362][ T8384] ? lock_chain_count+0x20/0x20 [ 70.073224][ T8384] ___sys_sendmsg+0xf3/0x170 [ 70.077831][ T8384] ? sendmsg_copy_msghdr+0x160/0x160 [ 70.083128][ T8384] ? __lock_acquire+0x16b3/0x54c0 [ 70.088156][ T8384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.094138][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.100387][ T8384] ? __fget_light+0x215/0x280 [ 70.105076][ T8384] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.111315][ T8384] __sys_sendmsg+0xe5/0x1b0 [ 70.115810][ T8384] ? __sys_sendmsg_sock+0x30/0x30 [ 70.120930][ T8384] ? syscall_enter_from_user_mode+0x27/0x70 [ 70.126878][ T8384] do_syscall_64+0x2d/0x70 [ 70.131289][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.137181][ T8384] RIP: 0033:0x43fd29 [ 70.141090][ T8384] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 70.160688][ T8384] RSP: 002b:00007fffb7c9e9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.169094][ T8384] RAX: ffffffffffffffda RBX: 0000000000010dde RCX: 000000000043fd29 [ 70.177067][ T8384] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 70.185035][ T8384] RBP: 0000000000000000 R08: 00007fffb7c9eb58 R09: 00007fffb7c9eb58 [ 70.192995][ T8384] R10: 00007fffb7c9eb58 R11: 0000000000000246 R12: 00007fffb7c9e9cc [ 70.201063][ T8384] R13: 431bde82d7b634db R14: 00000000004ae018 R15: 0000000000400488 [ 70.209881][ T8384] Kernel Offset: disabled [ 70.214320][ T8384] Rebooting in 86400 seconds..