[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 72.728271][ T8394] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 72.740150][ T8394] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 72.748582][ T8394] CPU: 1 PID: 8394 Comm: syz-executor571 Not tainted 5.12.0-rc4-syzkaller #0 [ 72.757455][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.767515][ T8394] RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 [ 72.774337][ T8394] Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 37 1b e2 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 [ 72.793951][ T8394] RSP: 0018:ffffc9000163f4a0 EFLAGS: 00010247 [ 72.800054][ T8394] RAX: dffffc0000000000 RBX: ffffc9000163f5a8 RCX: 0000000000000000 [ 72.808131][ T8394] RDX: 0000000000000000 RSI: ffffffff8891db19 RDI: 0000000000000004 [ 72.816122][ T8394] RBP: ffffc9000163f680 R08: 0000000000000001 R09: 0000000000000000 [ 72.824119][ T8394] R10: ffffffff8891dad6 R11: 0000000000000000 R12: 0000000000000000 [ 72.832096][ T8394] R13: 1ffff920002c7e94 R14: ffff88802166fc00 R15: ffffc9000163f6a0 [ 72.840064][ T8394] FS: 0000000000636300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.849025][ T8394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.855619][ T8394] CR2: 000000002000024c CR3: 000000001ca6f000 CR4: 00000000001506e0 [ 72.863591][ T8394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.871564][ T8394] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.879540][ T8394] Call Trace: [ 72.882822][ T8394] ? llsec_parse_seclevel+0x3e0/0x3e0 [ 72.888222][ T8394] ieee802154_llsec_del_devkey+0x169/0x370 [ 72.894042][ T8394] ? ieee802154_llsec_add_devkey+0x500/0x500 [ 72.900135][ T8394] ? __nla_parse+0x3d/0x50 [ 72.904677][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.910941][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 72.918481][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 72.925799][ T8394] genl_family_rcv_msg_doit+0x228/0x320 [ 72.931367][ T8394] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 72.938743][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.944988][ T8394] ? ns_capable+0xde/0x100 [ 72.949422][ T8394] genl_rcv_msg+0x328/0x580 [ 72.953932][ T8394] ? genl_get_cmd+0x480/0x480 [ 72.958623][ T8394] ? ieee802154_llsec_add_devkey+0x500/0x500 [ 72.964632][ T8394] ? lock_release+0x720/0x720 [ 72.969312][ T8394] netlink_rcv_skb+0x153/0x420 [ 72.974075][ T8394] ? genl_get_cmd+0x480/0x480 [ 72.978745][ T8394] ? netlink_ack+0xaa0/0xaa0 [ 72.983351][ T8394] genl_rcv+0x24/0x40 [ 72.987361][ T8394] netlink_unicast+0x533/0x7d0 [ 72.992137][ T8394] ? netlink_attachskb+0x870/0x870 [ 72.997268][ T8394] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.003515][ T8394] ? __phys_addr_symbol+0x2c/0x70 [ 73.008557][ T8394] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.014300][ T8394] ? __check_object_size+0x171/0x3f0 [ 73.019588][ T8394] netlink_sendmsg+0x856/0xd90 [ 73.024374][ T8394] ? netlink_unicast+0x7d0/0x7d0 [ 73.029314][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.035560][ T8394] ? netlink_unicast+0x7d0/0x7d0 [ 73.040500][ T8394] sock_sendmsg+0xcf/0x120 [ 73.044922][ T8394] ____sys_sendmsg+0x6e8/0x810 [ 73.049691][ T8394] ? kernel_sendmsg+0x50/0x50 [ 73.054380][ T8394] ? do_recvmmsg+0x6d0/0x6d0 [ 73.058976][ T8394] ? lock_chain_count+0x20/0x20 [ 73.063831][ T8394] ___sys_sendmsg+0xf3/0x170 [ 73.068437][ T8394] ? sendmsg_copy_msghdr+0x160/0x160 [ 73.073842][ T8394] ? __lock_acquire+0x16b3/0x54c0 [ 73.078890][ T8394] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.084890][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.091138][ T8394] ? __fget_light+0x215/0x280 [ 73.095954][ T8394] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.102617][ T8394] __sys_sendmsg+0xe5/0x1b0 [ 73.107140][ T8394] ? __sys_sendmsg_sock+0x30/0x30 [ 73.112179][ T8394] ? syscall_enter_from_user_mode+0x27/0x70 [ 73.118081][ T8394] do_syscall_64+0x2d/0x70 [ 73.122509][ T8394] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 73.128434][ T8394] RIP: 0033:0x43fa69 [ 73.132335][ T8394] 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 [ 73.151948][ T8394] RSP: 002b:00007ffd92ddd218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.160432][ T8394] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa69 [ 73.168445][ T8394] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 73.176471][ T8394] RBP: 00000000004034d0 R08: 0000000000000004 R09: 00000000004004a0 [ 73.184537][ T8394] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403560 [ 73.192564][ T8394] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 73.200545][ T8394] Modules linked in: [ 73.205634][ T8394] ---[ end trace fe02222777fce37d ]--- [ 73.212273][ T8394] RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 [ 73.219091][ T8394] Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 37 1b e2 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 [ 73.239002][ T8394] RSP: 0018:ffffc9000163f4a0 EFLAGS: 00010247 [ 73.245180][ T8394] RAX: dffffc0000000000 RBX: ffffc9000163f5a8 RCX: 0000000000000000 [ 73.253351][ T8394] RDX: 0000000000000000 RSI: ffffffff8891db19 RDI: 0000000000000004 [ 73.261391][ T8394] RBP: ffffc9000163f680 R08: 0000000000000001 R09: 0000000000000000 [ 73.269405][ T8394] R10: ffffffff8891dad6 R11: 0000000000000000 R12: 0000000000000000 [ 73.277477][ T8394] R13: 1ffff920002c7e94 R14: ffff88802166fc00 R15: ffffc9000163f6a0 [ 73.285548][ T8394] FS: 0000000000636300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 73.294577][ T8394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.301261][ T8394] CR2: 00007fd68379a6c0 CR3: 000000001ca6f000 CR4: 00000000001506f0 [ 73.309285][ T8394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.317516][ T8394] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.325674][ T8394] Kernel panic - not syncing: Fatal exception [ 73.332259][ T8394] Kernel Offset: disabled [ 73.336610][ T8394] Rebooting in 86400 seconds..