[[0;32m OK [0m] Started Getty on tty3. [[0;32m OK [0m] Started Getty on tty2. [[0;32m OK [0m] Started Serial Getty on ttyS0. [[0;32m OK [0m] Started Getty on tty1. [[0;32m OK [0m] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.194' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.841043][ T8445] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 66.852766][ T8445] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 66.861154][ T8445] CPU: 1 PID: 8445 Comm: syz-executor451 Not tainted 5.14.0-rc4-syzkaller #0 [ 66.869890][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.880027][ T8445] RIP: 0010:hwsim_new_edge_nl+0xf4/0x8c0 [ 66.885703][ T8445] Code: 00 0f 85 76 07 00 00 4d 85 ed 48 8b 5b 10 0f 84 5e 05 00 00 e8 4d 66 41 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 87 [ 66.905552][ T8445] RSP: 0018:ffffc9000113f568 EFLAGS: 00010246 [ 66.911602][ T8445] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 66.919556][ T8445] RDX: 0000000000000000 RSI: ffffffff85344583 RDI: ffff8881429972d0 [ 66.927514][ T8445] RBP: ffffc9000113f678 R08: 0000000000000001 R09: ffffc9000113f6a8 [ 66.935474][ T8445] R10: fffff52000227ed6 R11: 0000000000000000 R12: ffffc9000113f698 [ 66.943434][ T8445] R13: ffff88801d665814 R14: ffff8880184ba000 R15: 0000000000000000 [ 66.951393][ T8445] FS: 0000000001003300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 66.960313][ T8445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.966903][ T8445] CR2: 0000000020000744 CR3: 00000000151dc000 CR4: 00000000001506e0 [ 66.974949][ T8445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.982915][ T8445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.990875][ T8445] Call Trace: [ 66.994139][ T8445] ? hwsim_set_edge_lqi+0x7d0/0x7d0 [ 66.999333][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.005562][ T8445] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 67.012936][ T8445] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 67.020212][ T8445] genl_family_rcv_msg_doit+0x228/0x320 [ 67.025748][ T8445] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 67.033123][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.039355][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.045585][ T8445] ? ns_capable+0xd9/0x100 [ 67.049990][ T8445] genl_rcv_msg+0x328/0x580 [ 67.054483][ T8445] ? genl_get_cmd+0x480/0x480 [ 67.059148][ T8445] ? hwsim_set_edge_lqi+0x7d0/0x7d0 [ 67.064335][ T8445] ? lock_release+0x720/0x720 [ 67.068999][ T8445] netlink_rcv_skb+0x153/0x420 [ 67.073759][ T8445] ? genl_get_cmd+0x480/0x480 [ 67.078446][ T8445] ? netlink_ack+0xa60/0xa60 [ 67.083037][ T8445] ? _copy_from_iter+0x12b/0x1320 [ 67.088053][ T8445] genl_rcv+0x24/0x40 [ 67.092038][ T8445] netlink_unicast+0x533/0x7d0 [ 67.096796][ T8445] ? netlink_attachskb+0x890/0x890 [ 67.101899][ T8445] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 67.108133][ T8445] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 67.114370][ T8445] ? __phys_addr_symbol+0x2c/0x70 [ 67.119394][ T8445] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 67.125104][ T8445] ? __check_object_size+0x16e/0x3f0 [ 67.130381][ T8445] netlink_sendmsg+0x86d/0xdb0 [ 67.135143][ T8445] ? netlink_unicast+0x7d0/0x7d0 [ 67.140082][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.146311][ T8445] ? netlink_unicast+0x7d0/0x7d0 [ 67.151238][ T8445] sock_sendmsg+0xcf/0x120 [ 67.155653][ T8445] ____sys_sendmsg+0x6e8/0x810 [ 67.160405][ T8445] ? kernel_sendmsg+0x50/0x50 [ 67.165089][ T8445] ? do_recvmmsg+0x6d0/0x6d0 [ 67.169669][ T8445] ? do_huge_pmd_anonymous_page+0x1259/0x2740 [ 67.175740][ T8445] ? lock_downgrade+0x6e0/0x6e0 [ 67.180596][ T8445] ___sys_sendmsg+0xf3/0x170 [ 67.185178][ T8445] ? sendmsg_copy_msghdr+0x160/0x160 [ 67.190451][ T8445] ? __lock_acquire+0x162f/0x54a0 [ 67.195464][ T8445] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.201431][ T8445] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.207399][ T8445] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.213629][ T8445] ? __fget_light+0x215/0x280 [ 67.218298][ T8445] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 67.224525][ T8445] __sys_sendmsg+0xe5/0x1b0 [ 67.229018][ T8445] ? __sys_sendmsg_sock+0x30/0x30 [ 67.234052][ T8445] ? syscall_enter_from_user_mode+0x21/0x70 [ 67.239945][ T8445] do_syscall_64+0x35/0xb0 [ 67.244350][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 67.250229][ T8445] RIP: 0033:0x43ef39 [ 67.254110][ T8445] 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 [ 67.273720][ T8445] RSP: 002b:00007ffe9241d698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 67.282127][ T8445] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ef39 [ 67.290085][ T8445] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 67.298052][ T8445] RBP: 0000000000402f20 R08: 0000000000000000 R09: 0000000000400488 [ 67.306013][ T8445] R10: 00000000004ac018 R11: 0000000000000246 R12: 0000000000402fb0 [ 67.313972][ T8445] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 67.321949][ T8445] Modules linked in: [ 67.336890][ T8445] ---[ end trace e3cb423c90fa454c ]--- [ 67.342363][ T8445] RIP: 0010:hwsim_new_edge_nl+0xf4/0x8c0 [ 67.348311][ T8445] Code: 00 0f 85 76 07 00 00 4d 85 ed 48 8b 5b 10 0f 84 5e 05 00 00 e8 4d 66 41 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 87 [ 67.368092][ T8445] RSP: 0018:ffffc9000113f568 EFLAGS: 00010246 [ 67.374312][ T8445] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.382607][ T8445] RDX: 0000000000000000 RSI: ffffffff85344583 RDI: ffff8881429972d0 [ 67.390802][ T8445] RBP: ffffc9000113f678 R08: 0000000000000001 R09: ffffc9000113f6a8 [ 67.390818][ T8445] R10: fffff52000227ed6 R11: 0000000000000000 R12: ffffc9000113f698 [ 67.390831][ T8445] R13: ffff88801d665814 R14: ffff8880184ba000 R15: 0000000000000000 [ 67.390846][ T8445] FS: 0000000001003300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.390866][ T8445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.390882][ T8445] CR2: 00007f634d768078 CR3: 00000000151dc000 CR4: 00000000001506e0 [ 67.438309][ T8445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.446258][ T8445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.454256][ T8445] Kernel panic - not syncing: Fatal exception [ 67.461659][ T8445] Kernel Offset: disabled [ 67.466009][ T8445] Rebooting in 86400 seconds..