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: 1169 Comm: syz-executor.4 Not tainted 6.1.78-syzkaller-00017-g12709c5c1ed2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:dev_map_enqueue+0x31/0x340 kernel/bpf/devmap.c:528
Code: 56 41 55 41 54 53 48 83 ec 18 48 89 55 c0 49 89 f7 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8 c6 1f de ff 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 10 1d 25 00 4c 8b 33 48 83 c3 20
RSP: 0018:ffffc90000a77648 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90001179000 RSI: 0000000000000114 RDI: 0000000000000115
RBP: ffffc90000a77688 R08: 0000000000000005 R09: ffffffff8411daf5
R10: 0000000000000004 R11: ffff88810ff7d100 R12
----------------
Code disassembly (best guess):
   0:	56                   	push   %rsi
   1:	41 55                	push   %r13
   3:	41 54                	push   %r12
   5:	53                   	push   %rbx
   6:	48 83 ec 18          	sub    $0x18,%rsp
   a:	48 89 55 c0          	mov    %rdx,-0x40(%rbp)
   e:	49 89 f7             	mov    %rsi,%r15
  11:	48 89 fb             	mov    %rdi,%rbx
  14:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  1b:	fc ff df
  1e:	e8 c6 1f de ff       	call   0xffde1fe9
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 10 1d 25 00       	call   0x251d49
  39:	4c 8b 33             	mov    (%rbx),%r14
  3c:	48 83 c3 20          	add    $0x20,%rbx