Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.42' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.164663][ T8413] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 70.176412][ T8413] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 70.184814][ T8413] CPU: 0 PID: 8413 Comm: syz-executor003 Not tainted 5.12.0-rc4-syzkaller #0 [ 70.193564][ T8413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.203614][ T8413] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 [ 70.209885][ T8413] 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 [ 70.229508][ T8413] RSP: 0018:ffffc900018ef528 EFLAGS: 00010246 [ 70.235584][ T8413] RAX: dffffc0000000000 RBX: ffff88801bf2c800 RCX: 0000000000000000 [ 70.243546][ T8413] RDX: 0000000000000000 RSI: ffffffff8892eb77 RDI: ffff88801bf2c928 [ 70.251541][ T8413] RBP: 1ffff9200031dea6 R08: 0000000000000000 R09: ffff88814426456b [ 70.259526][ T8413] R10: ffffffff87388e7a R11: 0000000000000000 R12: ffff888144276000 [ 70.267496][ T8413] R13: ffff888144264c10 R14: ffffc900018ef8b0 R15: 0000000000000000 [ 70.276074][ T8413] FS: 00000000021d6300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.285006][ T8413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.291614][ T8413] CR2: 0000000020000c08 CR3: 00000000221e4000 CR4: 00000000001506f0 [ 70.299586][ T8413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.307555][ T8413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.316071][ T8413] Call Trace: [ 70.319344][ T8413] ? nl802154_add_llsec_devkey+0x3d0/0x3d0 [ 70.325160][ T8413] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.331409][ T8413] ? nl802154_pre_doit+0xf8/0xd30 [ 70.336428][ T8413] ? __nla_parse+0x3d/0x50 [ 70.340834][ T8413] ? nl802154_get_llsec_params+0x390/0x390 [ 70.346647][ T8413] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.353004][ T8413] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 70.360398][ T8413] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 70.367676][ T8413] genl_family_rcv_msg_doit+0x228/0x320 [ 70.373236][ T8413] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 70.380621][ T8413] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.386864][ T8413] ? ns_capable+0xde/0x100 [ 70.391282][ T8413] genl_rcv_msg+0x328/0x580 [ 70.395790][ T8413] ? genl_get_cmd+0x480/0x480 [ 70.400464][ T8413] ? nl802154_add_llsec_devkey+0x3d0/0x3d0 [ 70.406269][ T8413] ? lock_release+0x720/0x720 [ 70.410945][ T8413] netlink_rcv_skb+0x153/0x420 [ 70.415708][ T8413] ? genl_get_cmd+0x480/0x480 [ 70.420380][ T8413] ? netlink_ack+0xaa0/0xaa0 [ 70.425022][ T8413] genl_rcv+0x24/0x40 [ 70.429024][ T8413] netlink_unicast+0x533/0x7d0 [ 70.433782][ T8413] ? netlink_attachskb+0x870/0x870 [ 70.438898][ T8413] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.445410][ T8413] ? __phys_addr_symbol+0x2c/0x70 [ 70.450429][ T8413] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 70.456160][ T8413] ? __check_object_size+0x171/0x3f0 [ 70.461438][ T8413] netlink_sendmsg+0x856/0xd90 [ 70.466197][ T8413] ? netlink_unicast+0x7d0/0x7d0 [ 70.471141][ T8413] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.477377][ T8413] ? netlink_unicast+0x7d0/0x7d0 [ 70.482308][ T8413] sock_sendmsg+0xcf/0x120 [ 70.486809][ T8413] ____sys_sendmsg+0x6e8/0x810 [ 70.491579][ T8413] ? kernel_sendmsg+0x50/0x50 [ 70.496265][ T8413] ? do_recvmmsg+0x6d0/0x6d0 [ 70.500856][ T8413] ? lock_chain_count+0x20/0x20 [ 70.505698][ T8413] ? find_held_lock+0x2d/0x110 [ 70.510474][ T8413] ___sys_sendmsg+0xf3/0x170 [ 70.515074][ T8413] ? sendmsg_copy_msghdr+0x160/0x160 [ 70.520348][ T8413] ? __lock_acquire+0x16b3/0x54c0 [ 70.525367][ T8413] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 70.531359][ T8413] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.537609][ T8413] ? __fget_light+0x215/0x280 [ 70.542293][ T8413] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 70.548530][ T8413] __sys_sendmsg+0xe5/0x1b0 [ 70.553028][ T8413] ? __sys_sendmsg_sock+0x30/0x30 [ 70.558045][ T8413] ? syscall_enter_from_user_mode+0x27/0x70 [ 70.563932][ T8413] do_syscall_64+0x2d/0x70 [ 70.568349][ T8413] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 70.574251][ T8413] RIP: 0033:0x43fa09 [ 70.578142][ T8413] 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 [ 70.598097][ T8413] RSP: 002b:00007ffd94547fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 70.606507][ T8413] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa09 [ 70.614469][ T8413] RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 0000000000000003 [ 70.622605][ T8413] RBP: 0000000000403470 R08: 00000000004004a0 R09: 00000000004004a0 [ 70.630568][ T8413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000403500 [ 70.638532][ T8413] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 70.646525][ T8413] Modules linked in: [ 70.652418][ T8413] ---[ end trace 1938535400ca9220 ]--- [ 70.658161][ T8413] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 [ 70.664977][ T8413] 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 [ 70.700674][ T8413] RSP: 0018:ffffc900018ef528 EFLAGS: 00010246 [ 70.706816][ T8413] RAX: dffffc0000000000 RBX: ffff88801bf2c800 RCX: 0000000000000000 [ 70.715913][ T8413] RDX: 0000000000000000 RSI: ffffffff8892eb77 RDI: ffff88801bf2c928 [ 70.725231][ T8413] RBP: 1ffff9200031dea6 R08: 0000000000000000 R09: ffff88814426456b [ 70.734095][ T8413] R10: ffffffff87388e7a R11: 0000000000000000 R12: ffff888144276000 [ 70.742264][ T8413] R13: ffff888144264c10 R14: ffffc900018ef8b0 R15: 0000000000000000 [ 70.750540][ T8413] FS: 00000000021d6300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 70.760104][ T8413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.766703][ T8413] CR2: 00005610b0b28f18 CR3: 00000000221e4000 CR4: 00000000001506f0 [ 70.774998][ T8413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.783064][ T8413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.791147][ T8413] Kernel panic - not syncing: Fatal exception [ 70.797730][ T8413] Kernel Offset: disabled [ 70.802057][ T8413] Rebooting in 86400 seconds..