syzbot

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: 3636 Comm: syz-executor176 Not tainted 6.1.83-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:dev_map_enqueue+0x2d/0x340 kernel/bpf/devmap.c:529
Code: 41 56 41 55 41 54 53 48 83 ec 10 49 89 d5 49 89 f7 48 89 fd 49 bc 00 00 00 00 00 fc ff df e8 3a 68 df ff 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 94 dd 36 00 4c 8b 75 00 48 83 c5
RSP: 0018:ffffc90003faf6d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880b9839298 RCX: ffff88807a6c0000
RDX: 0000000000000000 RSI: ffff888072a4b070 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: ffffffff8889d41c
R10: 0000000000000004 R11: ffff88807a6c0000 R12: dffffc0000000000
R13: ffff8880172e0000 R14: ffff8880b98392a8 R15: ffff888072a4b070
FS:  00005555556cc380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d89e5e0d0 CR3: 0000000072a56000 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:4268 [inline]
 xdp_do_redirect_frame+0x2aa/0x540 net/core/filter.c:4330
 xdp_test_run_batch net/bpf/test_run.c:314 [inline]
 bpf_test_run_xdp_live+0xbf4/0x1ea0 net/bpf/test_run.c:362
 bpf_prog_test_run_xdp+0x7d1/0x1130 net/bpf/test_run.c:1387
 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3670
 __sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:5023
 __do_sys_bpf kernel/bpf/syscall.c:5109 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5107 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5107
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9d89de6fb9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc2df9bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9d89de6fb9
RDX: 0000000000000048 RSI: 0000000020000340 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dev_map_enqueue+0x2d/0x340 kernel/bpf/devmap.c:529
Code: 41 56 41 55 41 54 53 48 83 ec 10 49 89 d5 49 89 f7 48 89 fd 49 bc 00 00 00 00 00 fc ff df e8 3a 68 df ff 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 94 dd 36 00 4c 8b 75 00 48 83 c5
RSP: 0018:ffffc90003faf6d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8880b9839298 RCX: ffff88807a6c0000
RDX: 0000000000000000 RSI: ffff888072a4b070 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: ffffffff8889d41c
R10: 0000000000000004 R11: ffff88807a6c0000 R12: dffffc0000000000
R13: ffff8880172e0000 R14: ffff8880b98392a8 R15: ffff888072a4b070
FS:  00005555556cc380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d89e5e0d0 CR3: 0000000072a56000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	41 56                	push   %r14
   2:	41 55                	push   %r13
   4:	41 54                	push   %r12
   6:	53                   	push   %rbx
   7:	48 83 ec 10          	sub    $0x10,%rsp
   b:	49 89 d5             	mov    %rdx,%r13
   e:	49 89 f7             	mov    %rsi,%r15
  11:	48 89 fd             	mov    %rdi,%rbp
  14:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  1b:	fc ff df
  1e:	e8 3a 68 df ff       	call   0xffdf685d
  23:	48 89 e8             	mov    %rbp,%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 ef             	mov    %rbp,%rdi
  34:	e8 94 dd 36 00       	call   0x36ddcd
  39:	4c 8b 75 00          	mov    0x0(%rbp),%r14
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c5                   	.byte 0xc5