Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.743329][ T8462] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 69.755469][ T8462] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 69.763869][ T8462] CPU: 0 PID: 8462 Comm: syz-executor918 Not tainted 5.13.0-rc3-syzkaller #0 [ 69.772610][ T8462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.782645][ T8462] RIP: 0010:hwsim_del_edge_nl+0xf4/0x7c0 [ 69.788525][ T8462] Code: 00 0f 85 80 06 00 00 4d 85 ed 48 8b 5b 10 0f 84 87 05 00 00 e8 5d c0 4a fc 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 cd [ 69.808253][ T8462] RSP: 0018:ffffc9000164f570 EFLAGS: 00010246 [ 69.814317][ T8462] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.822280][ T8462] RDX: 0000000000000000 RSI: ffffffff852a1c23 RDI: ffff888027e24410 [ 69.830237][ T8462] RBP: ffffc9000164f678 R08: 0000000000000001 R09: ffffc9000164f6a8 [ 69.838211][ T8462] R10: fffff520002c9ed6 R11: 0000000000000000 R12: ffffc9000164f698 [ 69.846167][ T8462] R13: ffff8880273a1014 R14: ffff888014d8eb40 R15: 0000000000000000 [ 69.854123][ T8462] FS: 0000000001db6300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 69.863037][ T8462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.869603][ T8462] CR2: 0000000020000000 CR3: 000000001399e000 CR4: 00000000001506f0 [ 69.877559][ T8462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.885524][ T8462] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.893494][ T8462] Call Trace: [ 69.896843][ T8462] ? hwsim_hw_xmit+0x690/0x690 [ 69.901597][ T8462] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.907824][ T8462] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 69.915711][ T8462] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 69.922977][ T8462] genl_family_rcv_msg_doit+0x228/0x320 [ 69.928505][ T8462] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 69.935874][ T8462] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.942111][ T8462] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.948348][ T8462] ? ns_capable+0xde/0x100 [ 69.952812][ T8462] genl_rcv_msg+0x328/0x580 [ 69.957314][ T8462] ? genl_get_cmd+0x480/0x480 [ 69.961981][ T8462] ? hwsim_hw_xmit+0x690/0x690 [ 69.966781][ T8462] ? lock_release+0x720/0x720 [ 69.971470][ T8462] netlink_rcv_skb+0x153/0x420 [ 69.976346][ T8462] ? genl_get_cmd+0x480/0x480 [ 69.981037][ T8462] ? netlink_ack+0xaa0/0xaa0 [ 69.985641][ T8462] genl_rcv+0x24/0x40 [ 69.989634][ T8462] netlink_unicast+0x533/0x7d0 [ 69.994407][ T8462] ? netlink_attachskb+0x870/0x870 [ 69.999574][ T8462] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.005906][ T8462] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.012139][ T8462] ? __phys_addr_symbol+0x2c/0x70 [ 70.017235][ T8462] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.022940][ T8462] ? __check_object_size+0x171/0x3f0 [ 70.028208][ T8462] netlink_sendmsg+0x856/0xd90 [ 70.032975][ T8462] ? netlink_unicast+0x7d0/0x7d0 [ 70.037897][ T8462] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.044124][ T8462] ? netlink_unicast+0x7d0/0x7d0 [ 70.049047][ T8462] sock_sendmsg+0xcf/0x120 [ 70.053448][ T8462] ____sys_sendmsg+0x6e8/0x810 [ 70.058224][ T8462] ? kernel_sendmsg+0x50/0x50 [ 70.062882][ T8462] ? do_recvmmsg+0x6d0/0x6d0 [ 70.067469][ T8462] ? do_huge_pmd_anonymous_page+0x124b/0x2570 [ 70.073518][ T8462] ? lock_downgrade+0x6e0/0x6e0 [ 70.078363][ T8462] ___sys_sendmsg+0xf3/0x170 [ 70.082942][ T8462] ? sendmsg_copy_msghdr+0x160/0x160 [ 70.088229][ T8462] ? __lock_acquire+0x16a7/0x5230 [ 70.093349][ T8462] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.099329][ T8462] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.105325][ T8462] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.111559][ T8462] ? __fget_light+0x215/0x280 [ 70.116219][ T8462] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.122470][ T8462] __sys_sendmsg+0xe5/0x1b0 [ 70.127394][ T8462] ? __sys_sendmsg_sock+0x30/0x30 [ 70.132507][ T8462] ? syscall_enter_from_user_mode+0x27/0x70 [ 70.138383][ T8462] do_syscall_64+0x3a/0xb0 [ 70.142782][ T8462] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.148660][ T8462] RIP: 0033:0x43ef59 [ 70.152535][ T8462] 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 [ 70.172319][ T8462] RSP: 002b:00007fff21c8e6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.180732][ T8462] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ef59 [ 70.188746][ T8462] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 70.196711][ T8462] RBP: 0000000000402f40 R08: 0000000000000000 R09: 0000000000400488 [ 70.204686][ T8462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402fd0 [ 70.212646][ T8462] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 70.220611][ T8462] Modules linked in: [ 70.225797][ T8462] ---[ end trace a249c40c5fade024 ]--- [ 70.231295][ T8462] RIP: 0010:hwsim_del_edge_nl+0xf4/0x7c0 [ 70.237129][ T8462] Code: 00 0f 85 80 06 00 00 4d 85 ed 48 8b 5b 10 0f 84 87 05 00 00 e8 5d c0 4a fc 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 cd [ 70.256931][ T8462] RSP: 0018:ffffc9000164f570 EFLAGS: 00010246 [ 70.263048][ T8462] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.271022][ T8462] RDX: 0000000000000000 RSI: ffffffff852a1c23 RDI: ffff888027e24410 [ 70.279029][ T8462] RBP: ffffc9000164f678 R08: 0000000000000001 R09: ffffc9000164f6a8 [ 70.287139][ T8462] R10: fffff520002c9ed6 R11: 0000000000000000 R12: ffffc9000164f698 [ 70.295167][ T8462] R13: ffff8880273a1014 R14: ffff888014d8eb40 R15: 0000000000000000 [ 70.303184][ T8462] FS: 0000000001db6300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.312152][ T8462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.318738][ T8462] CR2: 0000000020000000 CR3: 000000001399e000 CR4: 00000000001506f0 [ 70.326753][ T8462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.334849][ T8462] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.343169][ T8462] Kernel panic - not syncing: Fatal exception [ 70.350202][ T8462] Kernel Offset: disabled [ 70.354763][ T8462] Rebooting in 86400 seconds..