[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 72.437958][ T8377] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 72.449719][ T8377] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 72.458143][ T8377] CPU: 1 PID: 8377 Comm: syz-executor245 Not tainted 5.12.0-rc4-syzkaller #0 [ 72.466894][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.477022][ T8377] RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 [ 72.483838][ T8377] Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 17 28 e4 f8 49 8d 7c 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 4e [ 72.503446][ T8377] RSP: 0018:ffffc90001a874a0 EFLAGS: 00010247 [ 72.509528][ T8377] RAX: dffffc0000000000 RBX: ffffc90001a875a8 RCX: 0000000000000000 [ 72.517575][ T8377] RDX: 0000000000000000 RSI: ffffffff888fc959 RDI: 0000000000000004 [ 72.525537][ T8377] RBP: ffffc90001a87680 R08: 0000000000000001 R09: 0000000000000000 [ 72.533503][ T8377] R10: ffffffff888fc916 R11: 0000000000000000 R12: 0000000000000000 [ 72.541494][ T8377] R13: 1ffff92000350e94 R14: ffff8880253c1000 R15: ffffc90001a876a0 [ 72.549480][ T8377] FS: 0000000000f7b300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.558439][ T8377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.565123][ T8377] CR2: 000000002000024c CR3: 000000001f54d000 CR4: 00000000001506e0 [ 72.573103][ T8377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.581080][ T8377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.589059][ T8377] Call Trace: [ 72.592353][ T8377] ? ieee802154_nl_get_dev.isra.0+0x230/0x230 [ 72.598444][ T8377] ieee802154_llsec_del_devkey+0x168/0x350 [ 72.604266][ T8377] ? ieee802154_llsec_add_devkey+0x500/0x500 [ 72.610301][ T8377] ? __nla_parse+0x3d/0x50 [ 72.614723][ T8377] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.620973][ T8377] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 72.628370][ T8377] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 72.635679][ T8377] genl_family_rcv_msg_doit+0x228/0x320 [ 72.641236][ T8377] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 72.648616][ T8377] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.654864][ T8377] ? ns_capable+0xde/0x100 [ 72.659286][ T8377] genl_rcv_msg+0x328/0x580 [ 72.663798][ T8377] ? genl_get_cmd+0x480/0x480 [ 72.668478][ T8377] ? ieee802154_llsec_add_devkey+0x500/0x500 [ 72.674468][ T8377] ? lock_release+0x720/0x720 [ 72.679158][ T8377] netlink_rcv_skb+0x153/0x420 [ 72.683948][ T8377] ? genl_get_cmd+0x480/0x480 [ 72.688643][ T8377] ? netlink_ack+0xaa0/0xaa0 [ 72.693242][ T8377] genl_rcv+0x24/0x40 [ 72.697227][ T8377] netlink_unicast+0x533/0x7d0 [ 72.701994][ T8377] ? netlink_attachskb+0x870/0x870 [ 72.707121][ T8377] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.713370][ T8377] ? __phys_addr_symbol+0x2c/0x70 [ 72.718405][ T8377] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.724140][ T8377] ? __check_object_size+0x171/0x3f0 [ 72.729437][ T8377] netlink_sendmsg+0x856/0xd90 [ 72.734213][ T8377] ? netlink_unicast+0x7d0/0x7d0 [ 72.739153][ T8377] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.745420][ T8377] ? netlink_unicast+0x7d0/0x7d0 [ 72.750360][ T8377] sock_sendmsg+0xcf/0x120 [ 72.754783][ T8377] ____sys_sendmsg+0x6e8/0x810 [ 72.759558][ T8377] ? kernel_sendmsg+0x50/0x50 [ 72.764244][ T8377] ? do_recvmmsg+0x6d0/0x6d0 [ 72.768839][ T8377] ? lock_chain_count+0x20/0x20 [ 72.773696][ T8377] ___sys_sendmsg+0xf3/0x170 [ 72.778551][ T8377] ? sendmsg_copy_msghdr+0x160/0x160 [ 72.783839][ T8377] ? __lock_acquire+0x16b3/0x54c0 [ 72.788874][ T8377] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.795213][ T8377] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.801481][ T8377] ? __fget_light+0x215/0x280 [ 72.806168][ T8377] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.812437][ T8377] __sys_sendmsg+0xe5/0x1b0 [ 72.816945][ T8377] ? __sys_sendmsg_sock+0x30/0x30 [ 72.821976][ T8377] ? syscall_enter_from_user_mode+0x27/0x70 [ 72.827963][ T8377] do_syscall_64+0x2d/0x70 [ 72.832387][ T8377] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.838305][ T8377] RIP: 0033:0x43fa69 [ 72.842200][ T8377] 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 [ 72.861819][ T8377] RSP: 002b:00007ffe0f3f3588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.870268][ T8377] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa69 [ 72.878243][ T8377] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 72.886653][ T8377] RBP: 00000000004034d0 R08: 0000000000000004 R09: 00000000004004a0 [ 72.894633][ T8377] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403560 [ 72.902604][ T8377] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 72.910602][ T8377] Modules linked in: [ 72.921556][ T8377] ---[ end trace 529841d0cb49aa2f ]--- [ 72.927030][ T8377] RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 [ 72.951845][ T8377] Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 17 28 e4 f8 49 8d 7c 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 4e [ 72.972177][ T8377] RSP: 0018:ffffc90001a874a0 EFLAGS: 00010247 [ 72.978339][ T8377] RAX: dffffc0000000000 RBX: ffffc90001a875a8 RCX: 0000000000000000 [ 72.987134][ T8377] RDX: 0000000000000000 RSI: ffffffff888fc959 RDI: 0000000000000004 [ 72.996296][ T8377] RBP: ffffc90001a87680 R08: 0000000000000001 R09: 0000000000000000 [ 73.004575][ T8377] R10: ffffffff888fc916 R11: 0000000000000000 R12: 0000000000000000 [ 73.012939][ T8377] R13: 1ffff92000350e94 R14: ffff8880253c1000 R15: ffffc90001a876a0 [ 73.020961][ T8377] FS: 0000000000f7b300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 73.030096][ T8377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.037003][ T8377] CR2: 00007fa8026a7110 CR3: 000000001f54d000 CR4: 00000000001506e0 [ 73.045063][ T8377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.053465][ T8377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.061472][ T8377] Kernel panic - not syncing: Fatal exception [ 73.068120][ T8377] Kernel Offset: disabled [ 73.072526][ T8377] Rebooting in 86400 seconds..