general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 10860 Comm: syz-executor.1 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:nla_len include/net/netlink.h:1148 [inline] RIP: 0010:nla_parse_nested_deprecated include/net/netlink.h:1231 [inline] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 net/ieee802154/nl802154.c:1595 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 RSP: 0018:ffffc900020c7528 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888023a32c00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8890d947 RDI: ffff888023a32d28 RBP: 1ffff92000418ea6 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff87380d2a R11: 0000000000000000 R12: ffff88801c5e8000 R13: ffff88801c5f4c10 R14: ffffc900020c78b0 R15: 0000000000000000 FS: 00007fd178366700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000052d290 CR3: 000000002d41b000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x466459 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd178366188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000004 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffcf589b02f R14: 00007fd178366300 R15: 0000000000022000 Modules linked in: ---[ end trace ad166e193254c4d4 ]--- RIP: 0010:nla_len include/net/netlink.h:1148 [inline] RIP: 0010:nla_parse_nested_deprecated include/net/netlink.h:1231 [inline] RIP: 0010:nl802154_del_llsec_key+0x16d/0x320 net/ieee802154/nl802154.c:1595 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 RSP: 0018:ffffc900020c7528 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888023a32c00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8890d947 RDI: ffff888023a32d28 RBP: 1ffff92000418ea6 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff87380d2a R11: 0000000000000000 R12: ffff88801c5e8000 R13: ffff88801c5f4c10 R14: ffffc900020c78b0 R15: 0000000000000000 FS: 00007fd178366700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb4f4aeb8 CR3: 000000002d41b000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400