Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.523465][ T8384] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 70.535189][ T8384] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 70.543598][ T8384] CPU: 1 PID: 8384 Comm: syz-executor149 Not tainted 5.12.0-rc4-syzkaller #0 [ 70.552342][ T8384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.562378][ T8384] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 [ 70.568594][ T8384] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ab 01 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 16 [ 70.588190][ T8384] RSP: 0018:ffffc90001b2f528 EFLAGS: 00010246 [ 70.594252][ T8384] RAX: dffffc0000000000 RBX: ffff88802ca24800 RCX: 0000000000000000 [ 70.602212][ T8384] RDX: 0000000000000000 RSI: ffffffff8890cd57 RDI: ffff88802ca24928 [ 70.610171][ T8384] RBP: 1ffff92000365ea6 R08: 0000000000000000 R09: 0000000000000000 [ 70.618132][ T8384] R10: ffffffff873804ba R11: 0000000000000000 R12: ffff88801b12e000 [ 70.626104][ T8384] R13: ffff888144730c10 R14: ffffc90001b2f8b0 R15: 0000000000000000 [ 70.634064][ T8384] FS: 0000000000cd7300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 70.642977][ T8384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.649546][ T8384] CR2: 00007f1a7adf66c0 CR3: 000000001b92b000 CR4: 00000000001506e0 [ 70.657516][ T8384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.665469][ T8384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.673525][ T8384] Call Trace: [ 70.676790][ T8384] ? nl802154_add_llsec_devkey+0x3d0/0x3d0 [ 70.682592][ T8384] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.688834][ T8384] ? nl802154_pre_doit+0xf8/0xce0 [ 70.693852][ T8384] ? __nla_parse+0x3d/0x50 [ 70.698260][ T8384] ? nl802154_get_llsec_params+0x390/0x390 [ 70.704058][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.710290][ T8384] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 70.717661][ T8384] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 70.724959][ T8384] genl_family_rcv_msg_doit+0x228/0x320 [ 70.730516][ T8384] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 70.737911][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.744163][ T8384] ? ns_capable+0xde/0x100 [ 70.748577][ T8384] genl_rcv_msg+0x328/0x580 [ 70.753074][ T8384] ? genl_get_cmd+0x480/0x480 [ 70.757753][ T8384] ? nl802154_add_llsec_devkey+0x3d0/0x3d0 [ 70.763568][ T8384] ? lock_release+0x720/0x720 [ 70.768248][ T8384] netlink_rcv_skb+0x153/0x420 [ 70.773001][ T8384] ? genl_get_cmd+0x480/0x480 [ 70.777669][ T8384] ? netlink_ack+0xaa0/0xaa0 [ 70.782248][ T8384] genl_rcv+0x24/0x40 [ 70.786225][ T8384] netlink_unicast+0x533/0x7d0 [ 70.790973][ T8384] ? netlink_attachskb+0x870/0x870 [ 70.796070][ T8384] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.802348][ T8384] ? __phys_addr_symbol+0x2c/0x70 [ 70.807372][ T8384] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.813105][ T8384] ? __check_object_size+0x171/0x3f0 [ 70.818412][ T8384] netlink_sendmsg+0x856/0xd90 [ 70.823174][ T8384] ? netlink_unicast+0x7d0/0x7d0 [ 70.828097][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.834344][ T8384] ? netlink_unicast+0x7d0/0x7d0 [ 70.839269][ T8384] sock_sendmsg+0xcf/0x120 [ 70.843674][ T8384] ____sys_sendmsg+0x6e8/0x810 [ 70.848491][ T8384] ? kernel_sendmsg+0x50/0x50 [ 70.853180][ T8384] ? do_recvmmsg+0x6d0/0x6d0 [ 70.857762][ T8384] ? lock_chain_count+0x20/0x20 [ 70.862614][ T8384] ? find_held_lock+0x2d/0x110 [ 70.867364][ T8384] ___sys_sendmsg+0xf3/0x170 [ 70.871939][ T8384] ? sendmsg_copy_msghdr+0x160/0x160 [ 70.877228][ T8384] ? __lock_acquire+0x16b3/0x54c0 [ 70.882246][ T8384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.888216][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.894451][ T8384] ? __fget_light+0x215/0x280 [ 70.899145][ T8384] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.905374][ T8384] __sys_sendmsg+0xe5/0x1b0 [ 70.909873][ T8384] ? __sys_sendmsg_sock+0x30/0x30 [ 70.914882][ T8384] ? syscall_enter_from_user_mode+0x27/0x70 [ 70.920774][ T8384] do_syscall_64+0x2d/0x70 [ 70.925194][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.931077][ T8384] RIP: 0033:0x43fa09 [ 70.934958][ T8384] 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 [ 70.954552][ T8384] RSP: 002b:00007ffca1f2d7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.962965][ T8384] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa09 [ 70.970918][ T8384] RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000003 [ 70.978874][ T8384] RBP: 0000000000403470 R08: 00000000004004a0 R09: 00000000004004a0 [ 70.986831][ T8384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403500 [ 70.994785][ T8384] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 71.002839][ T8384] Modules linked in: [ 71.008721][ T8384] ---[ end trace bbbbe16f608207e5 ]--- [ 71.014863][ T8384] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 [ 71.021045][ T8384] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ab 01 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 16 [ 71.041513][ T8384] RSP: 0018:ffffc90001b2f528 EFLAGS: 00010246 [ 71.048171][ T8384] RAX: dffffc0000000000 RBX: ffff88802ca24800 RCX: 0000000000000000 [ 71.056458][ T8384] RDX: 0000000000000000 RSI: ffffffff8890cd57 RDI: ffff88802ca24928 [ 71.064720][ T8384] RBP: 1ffff92000365ea6 R08: 0000000000000000 R09: 0000000000000000 [ 71.073848][ T8384] R10: ffffffff873804ba R11: 0000000000000000 R12: ffff88801b12e000 [ 71.081838][ T8384] R13: ffff888144730c10 R14: ffffc90001b2f8b0 R15: 0000000000000000 [ 71.090813][ T8384] FS: 0000000000cd7300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.100389][ T8384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.107386][ T8384] CR2: 00007fdb92170000 CR3: 000000001b92b000 CR4: 00000000001506f0 [ 71.115652][ T8384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.124072][ T8384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.132379][ T8384] Kernel panic - not syncing: Fatal exception [ 71.138928][ T8384] Kernel Offset: disabled [ 71.143244][ T8384] Rebooting in 86400 seconds..