[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.115' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.873253][ T8400] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 70.884983][ T8400] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 70.893379][ T8400] CPU: 0 PID: 8400 Comm: syz-executor992 Not tainted 5.12.0-rc4-syzkaller #0 [ 70.902119][ T8400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.912154][ T8400] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 70.918311][ T8400] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2f 03 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 c9 [ 70.937939][ T8400] RSP: 0018:ffffc90000eef4a0 EFLAGS: 00010246 [ 70.943984][ T8400] RAX: dffffc0000000000 RBX: ffff88801b360800 RCX: 0000000000000000 [ 70.951934][ T8400] RDX: 0000000000000000 RSI: ffffffff8890d095 RDI: ffff88801b360928 [ 70.959886][ T8400] RBP: 1ffff920001dde95 R08: 0000000000000000 R09: 0000000000000000 [ 70.967836][ T8400] R10: ffffffff873804ba R11: 0000000000000000 R12: ffff888144c66000 [ 70.975785][ T8400] R13: ffff88801aa80c10 R14: ffffc90000eef8b0 R15: 0000000000000000 [ 70.983734][ T8400] FS: 0000000002263300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.992644][ T8400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.999209][ T8400] CR2: 0000000020000048 CR3: 0000000026db2000 CR4: 00000000001506f0 [ 71.007857][ T8400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.015806][ T8400] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.023756][ T8400] Call Trace: [ 71.027030][ T8400] ? nl802154_del_llsec_key+0x320/0x320 [ 71.032561][ T8400] ? nl802154_post_doit+0x1f0/0x1f0 [ 71.037743][ T8400] ? nl802154_pre_doit+0xf8/0xce0 [ 71.042749][ T8400] ? __nla_parse+0x3d/0x50 [ 71.047146][ T8400] ? nl802154_get_llsec_params+0x390/0x390 [ 71.052933][ T8400] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.059157][ T8400] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 71.066511][ T8400] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 71.073775][ T8400] genl_family_rcv_msg_doit+0x228/0x320 [ 71.079300][ T8400] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 71.086666][ T8400] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.092888][ T8400] ? ns_capable+0xde/0x100 [ 71.097284][ T8400] genl_rcv_msg+0x328/0x580 [ 71.101769][ T8400] ? genl_get_cmd+0x480/0x480 [ 71.106512][ T8400] ? nl802154_del_llsec_key+0x320/0x320 [ 71.112053][ T8400] ? lock_release+0x720/0x720 [ 71.116712][ T8400] netlink_rcv_skb+0x153/0x420 [ 71.121456][ T8400] ? genl_get_cmd+0x480/0x480 [ 71.126111][ T8400] ? netlink_ack+0xaa0/0xaa0 [ 71.130684][ T8400] genl_rcv+0x24/0x40 [ 71.134644][ T8400] netlink_unicast+0x533/0x7d0 [ 71.139387][ T8400] ? netlink_attachskb+0x870/0x870 [ 71.144478][ T8400] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.150712][ T8400] ? __phys_addr_symbol+0x2c/0x70 [ 71.155720][ T8400] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.161419][ T8400] ? __check_object_size+0x171/0x3f0 [ 71.166689][ T8400] netlink_sendmsg+0x856/0xd90 [ 71.171434][ T8400] ? netlink_unicast+0x7d0/0x7d0 [ 71.176356][ T8400] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.182589][ T8400] ? netlink_unicast+0x7d0/0x7d0 [ 71.187518][ T8400] sock_sendmsg+0xcf/0x120 [ 71.191916][ T8400] ____sys_sendmsg+0x6e8/0x810 [ 71.196673][ T8400] ? kernel_sendmsg+0x50/0x50 [ 71.201331][ T8400] ? do_recvmmsg+0x6d0/0x6d0 [ 71.205902][ T8400] ? fs_reclaim_release+0x9c/0xe0 [ 71.210919][ T8400] ? lock_chain_count+0x20/0x20 [ 71.215751][ T8400] ___sys_sendmsg+0xf3/0x170 [ 71.220333][ T8400] ? sendmsg_copy_msghdr+0x160/0x160 [ 71.225608][ T8400] ? __lock_acquire+0x16b3/0x54c0 [ 71.230789][ T8400] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 71.236762][ T8400] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.243089][ T8400] ? __fget_light+0x215/0x280 [ 71.247748][ T8400] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.253972][ T8400] __sys_sendmsg+0xe5/0x1b0 [ 71.258457][ T8400] ? __sys_sendmsg_sock+0x30/0x30 [ 71.263463][ T8400] ? syscall_enter_from_user_mode+0x27/0x70 [ 71.269349][ T8400] do_syscall_64+0x2d/0x70 [ 71.273780][ T8400] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.279678][ T8400] RIP: 0033:0x43fa39 [ 71.283559][ T8400] Code: 28 c3 e8 5a 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 [ 71.303157][ T8400] RSP: 002b:00007ffdaeef05e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.311564][ T8400] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa39 [ 71.319533][ T8400] RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003 [ 71.327485][ T8400] RBP: 00000000004034a0 R08: 000000000000000c R09: 00000000004004a0 [ 71.335439][ T8400] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000403530 [ 71.343390][ T8400] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 71.351351][ T8400] Modules linked in: [ 71.357726][ T8400] ---[ end trace c4edb05429afbac0 ]--- [ 71.363203][ T8400] RIP: 0010:nl802154_add_llsec_key+0x1f7/0x560 [ 71.369948][ T8400] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2f 03 00 00 48 8b 93 28 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 d1 48 c1 e9 03 <0f> b6 0c 01 48 89 d0 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 c9 [ 71.389990][ T8400] RSP: 0018:ffffc90000eef4a0 EFLAGS: 00010246 [ 71.396076][ T8400] RAX: dffffc0000000000 RBX: ffff88801b360800 RCX: 0000000000000000 [ 71.404095][ T8400] RDX: 0000000000000000 RSI: ffffffff8890d095 RDI: ffff88801b360928 [ 71.412129][ T8400] RBP: 1ffff920001dde95 R08: 0000000000000000 R09: 0000000000000000 [ 71.420133][ T8400] R10: ffffffff873804ba R11: 0000000000000000 R12: ffff888144c66000 [ 71.428145][ T8400] R13: ffff88801aa80c10 R14: ffffc90000eef8b0 R15: 0000000000000000 [ 71.436111][ T8400] FS: 0000000002263300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 71.445074][ T8400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.451704][ T8400] CR2: 00007f461403d0f8 CR3: 0000000026db2000 CR4: 00000000001506e0 [ 71.459719][ T8400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.467748][ T8400] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.475718][ T8400] Kernel panic - not syncing: Fatal exception [ 71.482435][ T8400] Kernel Offset: disabled [ 71.486749][ T8400] Rebooting in 86400 seconds..