Oops: general protection fault, probably for non-canonical address 0xdffffc000000003b: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000001d8-0x00000000000001df]
CPU: 0 PID: 17012 Comm: syz.4.3260 Not tainted 6.10.0-rc6-syzkaller-00061-ge9d22f7a6655 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__xdp_enqueue kernel/bpf/devmap.c:484 [inline]
RIP: 0010:dev_map_enqueue+0x7c/0x3e0 kernel/bpf/devmap.c:541
Code: c1 ea 03 80 3c 02 00 0f 85 58 03 00 00 48 8d bb d8 01 00 00 4d 8b 7c 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e db 02 00 00 44 8b a3 d8 01 00
RSP: 0018:ffffc900034a7770 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90015ebb000
RDX: 000000000000003b RSI: ffffffff81b30b90 RDI: 00000000000001d8
RBP: ffff8880765d0070 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000f90 R12: ffff888078ee0880
R13: ffff88801fcfe000 R14: ffff888078ee0880 R15: ffffffff8da63d80
FS:  00007f40d98236c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc1eff8 CR3: 000000005db6a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __xdp_do_redirect_frame net/core/filter.c:4402 [inline]
 xdp_do_redirect_frame+0x1b8/0x590 net/core/filter.c:4456
 xdp_test_run_batch net/bpf/test_run.c:336 [inline]
 bpf_test_run_xdp_live+0x4a3/0x1bb0 net/bpf/test_run.c:384
 bpf_prog_test_run_xdp+0x82d/0x1530 net/bpf/test_run.c:1281
 bpf_prog_test_run kernel/bpf/syscall.c:4292 [inline]
 __sys_bpf+0x10d2/0x49a0 kernel/bpf/syscall.c:5706
 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5793 [inline]
 __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5793
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f40d8975bd9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f40d9823048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f40d8b03f60 RCX: 00007f40d8975bd9
RDX: 0000000000000050 RSI: 0000000020000240 RDI: 000000000000000a
RBP: 00007f40d89e4a98 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f40d8b03f60 R15: 00007ffd558d9988
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__xdp_enqueue kernel/bpf/devmap.c:484 [inline]
RIP: 0010:dev_map_enqueue+0x7c/0x3e0 kernel/bpf/devmap.c:541
Code: c1 ea 03 80 3c 02 00 0f 85 58 03 00 00 48 8d bb d8 01 00 00 4d 8b 7c 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e db 02 00 00 44 8b a3 d8 01 00
RSP: 0018:ffffc900034a7770 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90015ebb000
RDX: 000000000000003b RSI: ffffffff81b30b90 RDI: 00000000000001d8
RBP: ffff8880765d0070 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000f90 R12: ffff888078ee0880
R13: ffff88801fcfe000 R14: ffff888078ee0880 R15: ffffffff8da63d80
FS:  00007f40d98236c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc1eff8 CR3: 000000005db6a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c1 ea 03             	shr    $0x3,%edx
   3:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   7:	0f 85 58 03 00 00    	jne    0x365
   d:	48 8d bb d8 01 00 00 	lea    0x1d8(%rbx),%rdi
  14:	4d 8b 7c 24 18       	mov    0x18(%r12),%r15
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  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:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e db 02 00 00    	jle    0x315
  3a:	44                   	rex.R
  3b:	8b                   	.byte 0x8b
  3c:	a3                   	.byte 0xa3
  3d:	d8 01                	fadds  (%rcx)