Warning: Permanently added '10.128.0.255' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.069540][ T8424] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 69.081410][ T8424] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 69.089808][ T8424] CPU: 1 PID: 8424 Comm: syz-executor060 Not tainted 5.11.0-rc7-syzkaller #0 [ 69.098544][ T8424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.108576][ T8424] RIP: 0010:nl802154_del_llsec_dev+0x150/0x310 [ 69.114760][ T8424] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c4 01 00 00 48 8b 93 18 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 13 [ 69.134344][ T8424] RSP: 0018:ffffc9000161f568 EFLAGS: 00010246 [ 69.140389][ T8424] RAX: dffffc0000000000 RBX: ffff88801c14a400 RCX: 0000000000000000 [ 69.148339][ T8424] RDX: 0000000000000000 RSI: ffffffff888b470a RDI: ffff88801c14a518 [ 69.156288][ T8424] RBP: 1ffff920002c3eae R08: 0000000000000000 R09: 0000000000000000 [ 69.164237][ T8424] R10: ffffffff8732d5ba R11: 0000000000000000 R12: ffff8881442b6000 [ 69.172185][ T8424] R13: ffff88801bc38bd0 R14: ffffc9000161f8b0 R15: 0000000000000000 [ 69.180139][ T8424] FS: 0000000001424300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 69.189047][ T8424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.195610][ T8424] CR2: 0000000020000408 CR3: 000000002d7df000 CR4: 00000000001506e0 [ 69.203559][ T8424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.211508][ T8424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.219459][ T8424] Call Trace: [ 69.222719][ T8424] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 69.228946][ T8424] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 69.234559][ T8424] ? __nla_parse+0x3d/0x50 [ 69.238955][ T8424] ? nl802154_get_llsec_params+0x390/0x390 [ 69.244742][ T8424] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.250964][ T8424] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 69.258319][ T8424] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 69.265612][ T8424] genl_family_rcv_msg_doit+0x228/0x320 [ 69.271140][ T8424] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 69.278495][ T8424] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.284714][ T8424] ? ns_capable+0xde/0x100 [ 69.289123][ T8424] genl_rcv_msg+0x328/0x580 [ 69.293623][ T8424] ? genl_get_cmd+0x480/0x480 [ 69.298288][ T8424] ? nl802154_wpan_phy_netns+0x2c0/0x2c0 [ 69.304093][ T8424] ? lock_release+0x710/0x710 [ 69.308837][ T8424] netlink_rcv_skb+0x153/0x420 [ 69.313596][ T8424] ? genl_get_cmd+0x480/0x480 [ 69.318258][ T8424] ? netlink_ack+0xaa0/0xaa0 [ 69.322833][ T8424] genl_rcv+0x24/0x40 [ 69.326799][ T8424] netlink_unicast+0x533/0x7d0 [ 69.331548][ T8424] ? netlink_attachskb+0x870/0x870 [ 69.336652][ T8424] ? _copy_from_iter_full+0x275/0x850 [ 69.342036][ T8424] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.348264][ T8424] ? __phys_addr_symbol+0x2c/0x70 [ 69.353315][ T8424] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 69.359056][ T8424] ? __check_object_size+0x171/0x3f0 [ 69.364326][ T8424] netlink_sendmsg+0x856/0xd90 [ 69.369168][ T8424] ? netlink_unicast+0x7d0/0x7d0 [ 69.374102][ T8424] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.380333][ T8424] ? netlink_unicast+0x7d0/0x7d0 [ 69.385265][ T8424] sock_sendmsg+0xcf/0x120 [ 69.389674][ T8424] ____sys_sendmsg+0x6e8/0x810 [ 69.394427][ T8424] ? kernel_sendmsg+0x50/0x50 [ 69.399100][ T8424] ? do_recvmmsg+0x6c0/0x6c0 [ 69.403716][ T8424] ? security_file_alloc+0x34/0x170 [ 69.408903][ T8424] ? fs_reclaim_release+0x9c/0xe0 [ 69.413918][ T8424] ___sys_sendmsg+0xf3/0x170 [ 69.418493][ T8424] ? sendmsg_copy_msghdr+0x160/0x160 [ 69.423761][ T8424] ? lockdep_init_map_waits+0x26a/0x720 [ 69.429302][ T8424] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 69.435267][ T8424] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.441492][ T8424] ? percpu_counter_add_batch+0xbd/0x180 [ 69.447114][ T8424] ? find_held_lock+0x2d/0x110 [ 69.451912][ T8424] ? fd_install+0x1e3/0x640 [ 69.456395][ T8424] ? lock_downgrade+0x6d0/0x6d0 [ 69.461240][ T8424] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.467549][ T8424] ? __fget_light+0x215/0x280 [ 69.472205][ T8424] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.478441][ T8424] __sys_sendmsg+0xe5/0x1b0 [ 69.482927][ T8424] ? __sys_sendmsg_sock+0xb0/0xb0 [ 69.487943][ T8424] ? syscall_enter_from_user_mode+0x1d/0x50 [ 69.493830][ T8424] do_syscall_64+0x2d/0x70 [ 69.498235][ T8424] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.504122][ T8424] RIP: 0033:0x43f919 [ 69.508002][ T8424] 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 [ 69.527593][ T8424] RSP: 002b:00007ffc664a2ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.536100][ T8424] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f919 [ 69.544056][ T8424] RDX: 0000000000008804 RSI: 0000000020000a00 RDI: 0000000000000005 [ 69.552115][ T8424] RBP: 0000000000403380 R08: 00000000004004a0 R09: 00000000004004a0 [ 69.560064][ T8424] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403410 [ 69.568449][ T8424] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 69.577271][ T8424] Modules linked in: [ 69.581796][ T8424] ---[ end trace 3bc6a9c597defe8a ]--- [ 69.587279][ T8424] RIP: 0010:nl802154_del_llsec_dev+0x150/0x310 [ 69.593498][ T8424] Code: 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c4 01 00 00 48 8b 93 18 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 13 [ 69.613195][ T8424] RSP: 0018:ffffc9000161f568 EFLAGS: 00010246 [ 69.619258][ T8424] RAX: dffffc0000000000 RBX: ffff88801c14a400 RCX: 0000000000000000 [ 69.627266][ T8424] RDX: 0000000000000000 RSI: ffffffff888b470a RDI: ffff88801c14a518 [ 69.635476][ T8424] RBP: 1ffff920002c3eae R08: 0000000000000000 R09: 0000000000000000 [ 69.643464][ T8424] R10: ffffffff8732d5ba R11: 0000000000000000 R12: ffff8881442b6000 [ 69.651432][ T8424] R13: ffff88801bc38bd0 R14: ffffc9000161f8b0 R15: 0000000000000000 [ 69.659438][ T8424] FS: 0000000001424300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 69.668397][ T8424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.675011][ T8424] CR2: 0000000020000408 CR3: 000000002d7df000 CR4: 00000000001506e0 [ 69.682982][ T8424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.690977][ T8424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.698985][ T8424] Kernel panic - not syncing: Fatal exception [ 69.705686][ T8424] Kernel Offset: disabled [ 69.710011][ T8424] Rebooting in 86400 seconds..