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: 12623 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-12485-gf3a2439f20d9 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:nla_get_u8 include/net/netlink.h:1658 [inline]
RIP: 0010:nl802154_trigger_scan+0x132/0xc90 net/ieee802154/nl802154.c:1415
Code: 48 c1 ea 03 80 3c 02 00 0f 85 3f 0a 00 00 48 8b ad f8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 d0 07 00 00
RSP: 0018:ffffc9000f3e7548 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc9000f3e75b8 RCX: ffffc90005df2000
RDX: 0000000000000000 RSI: ffffffff89cfc1d1 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804309cc90
R13: ffff8880430b4000 R14: ffff8880430b40a0 R15: ffffc9000f3e75d8
FS:  0000000000000000(0000) GS:ffff88802ca00000(0063) knlGS:00000000f7fbfb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f72bffa0 CR3: 000000004a109000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968
 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline]
 genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065
 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942
 sock_sendmsg_nosec net/socket.c:722 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:745
 ____sys_sendmsg+0x71c/0x900 net/socket.c:2504
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2558
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2587
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fc4579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7fbf5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000240
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nla_get_u8 include/net/netlink.h:1658 [inline]
RIP: 0010:nl802154_trigger_scan+0x132/0xc90 net/ieee802154/nl802154.c:1415
Code: 48 c1 ea 03 80 3c 02 00 0f 85 3f 0a 00 00 48 8b ad f8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 04 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 d0 07 00 00
RSP: 0018:ffffc9000f3e7548 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc9000f3e75b8 RCX: ffffc90005df2000
RDX: 0000000000000000 RSI: ffffffff89cfc1d1 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804309cc90
R13: ffff8880430b4000 R14: ffff8880430b40a0 R15: ffffc9000f3e75d8
FS:  0000000000000000(0000) GS:ffff88802ca00000(0063) knlGS:00000000f7fbfb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000564edf2dd680 CR3: 000000004a109000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 3f 0a 00 00    	jne    0xa4d
   e:	48 8b ad f8 00 00 00 	mov    0xf8(%rbp),%rbp
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	48 8d 7d 04          	lea    0x4(%rbp),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	48 89 fa             	mov    %rdi,%rdx
  31:	83 e2 07             	and    $0x7,%edx
  34:	38 d0                	cmp    %dl,%al
  36:	7f 08                	jg     0x40
  38:	84 c0                	test   %al,%al
  3a:	0f 85 d0 07 00 00    	jne    0x810