general protection fault, probably for non-canonical address 0xdffffc000000009b: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000004d8-0x00000000000004df]
CPU: 1 PID: 26345 Comm: syz-executor.0 Not tainted 6.2.0-rc6-next-20230131-syzkaller-09515-g80bd9028feca #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:percpu_counter_add_batch+0x62/0x1e0 lib/percpu_counter.c:93
Code: 5f 01 00 00 e8 ef c9 3f fd 4c 8d 7d 58 48 c7 c7 20 9d a9 8a e8 df 3e cb 05 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 54 01 00 00 4c 8b 75 58 65 41 8b 06 4c 63 e0 89
RSP: 0018:ffffc90016f17a78 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000200 RCX: 0000000000000000
RDX: 000000000000009b RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000480 R08: 0000000000000000 R09: ffffffff8e74c317
R10: fffffbfff1ce9862 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000480 R15: 00000000000004d8
FS:  0000555556411400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b14ad56be CR3: 000000007a428000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 percpu_counter_add include/linux/percpu_counter.h:59 [inline]
 percpu_counter_inc include/linux/percpu_counter.h:216 [inline]
 inc_mm_counter include/linux/mm.h:2342 [inline]
 insert_page_into_pte_locked.constprop.0+0x311/0x850 mm/memory.c:1801
 insert_page mm/memory.c:1828 [inline]
 vm_insert_page+0x4ff/0x680 mm/memory.c:1992
 kcov_mmap+0xba/0x140 kernel/kcov.c:495
 call_mmap include/linux/fs.h:1856 [inline]
 mmap_region+0x696/0x2690 mm/mmap.c:2574
 do_mmap+0x831/0xf60 mm/mmap.c:1364
 vm_mmap_pgoff+0x1af/0x280 mm/util.c:542
 ksys_mmap_pgoff+0x41f/0x5a0 mm/mmap.c:1410
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f718948c112
Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 b8 ff ff ff 64
RSP: 002b:00007fffef126bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f718948c112
RDX: 0000000000000003 RSI: 0000000000200000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000000000db R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f71895ac1fc
R13: 0000000000000003 R14: 00007f71895ac1f0 R15: 0000000000000032
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:percpu_counter_add_batch+0x62/0x1e0 lib/percpu_counter.c:93
Code: 5f 01 00 00 e8 ef c9 3f fd 4c 8d 7d 58 48 c7 c7 20 9d a9 8a e8 df 3e cb 05 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 54 01 00 00 4c 8b 75 58 65 41 8b 06 4c 63 e0 89
RSP: 0018:ffffc90016f17a78 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000200 RCX: 0000000000000000
RDX: 000000000000009b RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000480 R08: 0000000000000000 R09: ffffffff8e74c317
R10: fffffbfff1ce9862 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000480 R15: 00000000000004d8
FS:  0000555556411400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b14ad56be CR3: 000000007a428000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	e8 ef c9 3f fd       	callq  0xfd3fc9f6
   7:	4c 8d 7d 58          	lea    0x58(%rbp),%r15
   b:	48 c7 c7 20 9d a9 8a 	mov    $0xffffffff8aa99d20,%rdi
  12:	e8 df 3e cb 05       	callq  0x5cb3ef6
  17:	4c 89 fa             	mov    %r15,%rdx
  1a:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  21:	fc ff df
  24:	48 c1 ea 03          	shr    $0x3,%rdx
* 28:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2c:	0f 85 54 01 00 00    	jne    0x186
  32:	4c 8b 75 58          	mov    0x58(%rbp),%r14
  36:	65 41 8b 06          	mov    %gs:(%r14),%eax
  3a:	4c 63 e0             	movslq %eax,%r12
  3d:	89                   	.byte 0x89