BUG: unable to handle page fault for address: 0000000200000029
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5476 Comm: dhcpcd-run-hook Not tainted 6.5.0-rc5-next-20230807-syzkaller-gf7dc24b34138 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:freelist_ptr_decode mm/slub.c:395 [inline]
RIP: 0010:get_freepointer mm/slub.c:408 [inline]
RIP: 0010:get_freepointer_safe mm/slub.c:435 [inline]
RIP: 0010:__slab_alloc_node mm/slub.c:3377 [inline]
RIP: 0010:slab_alloc_node mm/slub.c:3468 [inline]
RIP: 0010:slab_alloc mm/slub.c:3486 [inline]
RIP: 0010:__kmem_cache_alloc_lru mm/slub.c:3493 [inline]
RIP: 0010:kmem_cache_alloc+0x109/0x3b0 mm/slub.c:3502
Code: 4c 8b 40 08 48 83 78 10 00 48 8b 38 0f 84 8b 02 00 00 48 85 ff 0f 84 82 02 00 00 41 8b 45 28 49 8d 48 08 4c 89 c2 4d 8b 4d 00 <48> 8b 1c 07 48 89 f8 65 49 0f c7 09 0f 1f 00 49 31 d0 48 31 f8 49
RSP: 0018:ffffc900054b7910 EFLAGS: 00010202
RAX: 0000000000000028 RBX: 0000000000000cc0 RCX: 0000000000049be1
RDX: 0000000000049bd9 RSI: ffffffff8ac88c20 RDI: 0000000200000001
RBP: ffffc900054b7958 R08: 0000000000049bd9 R09: 0000000000043e70
R10: ffffffff8eacd097 R11: 0000000000094000 R12: 0000000000000050
R13: ffff888014a43280 R14: 0000000000000cc0 R15: ffffffff81cde6bc
FS:  00007f05cd337380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000200000029 CR3: 0000000070a42000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 anon_vma_chain_alloc mm/rmap.c:142 [inline]
 anon_vma_fork+0x1fc/0x610 mm/rmap.c:365
 dup_mmap+0x12b1/0x1d80 kernel/fork.c:727
 dup_mm kernel/fork.c:1697 [inline]
 copy_mm kernel/fork.c:1746 [inline]
 copy_process+0x6c11/0x7400 kernel/fork.c:2512
 kernel_clone+0xfd/0x930 kernel/fork.c:2920
 __do_sys_clone+0xba/0x100 kernel/fork.c:3063
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f05cd471a12
Code: 41 5d 41 5e 41 5f c3 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 e7 43 0f 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffc797f4248 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f05cd471a12
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000558b53869b70 R08: 0000000000000000 R09: 0000000000000200
R10: 00007f05cd337650 R11: 0000000000000246 R12: 0000000000000084
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000024
 </TASK>
Modules linked in:
CR2: 0000000200000029
---[ end trace 0000000000000000 ]---
RIP: 0010:freelist_ptr_decode mm/slub.c:395 [inline]
RIP: 0010:get_freepointer mm/slub.c:408 [inline]
RIP: 0010:get_freepointer_safe mm/slub.c:435 [inline]
RIP: 0010:__slab_alloc_node mm/slub.c:3377 [inline]
RIP: 0010:slab_alloc_node mm/slub.c:3468 [inline]
RIP: 0010:slab_alloc mm/slub.c:3486 [inline]
RIP: 0010:__kmem_cache_alloc_lru mm/slub.c:3493 [inline]
RIP: 0010:kmem_cache_alloc+0x109/0x3b0 mm/slub.c:3502
Code: 4c 8b 40 08 48 83 78 10 00 48 8b 38 0f 84 8b 02 00 00 48 85 ff 0f 84 82 02 00 00 41 8b 45 28 49 8d 48 08 4c 89 c2 4d 8b 4d 00 <48> 8b 1c 07 48 89 f8 65 49 0f c7 09 0f 1f 00 49 31 d0 48 31 f8 49
RSP: 0018:ffffc900054b7910 EFLAGS: 00010202

RAX: 0000000000000028 RBX: 0000000000000cc0 RCX: 0000000000049be1
RDX: 0000000000049bd9 RSI: ffffffff8ac88c20 RDI: 0000000200000001
RBP: ffffc900054b7958 R08: 0000000000049bd9 R09: 0000000000043e70
R10: ffffffff8eacd097 R11: 0000000000094000 R12: 0000000000000050
R13: ffff888014a43280 R14: 0000000000000cc0 R15: ffffffff81cde6bc
FS:  00007f05cd337380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000200000029 CR3: 0000000070a42000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4c 8b 40 08          	mov    0x8(%rax),%r8
   4:	48 83 78 10 00       	cmpq   $0x0,0x10(%rax)
   9:	48 8b 38             	mov    (%rax),%rdi
   c:	0f 84 8b 02 00 00    	je     0x29d
  12:	48 85 ff             	test   %rdi,%rdi
  15:	0f 84 82 02 00 00    	je     0x29d
  1b:	41 8b 45 28          	mov    0x28(%r13),%eax
  1f:	49 8d 48 08          	lea    0x8(%r8),%rcx
  23:	4c 89 c2             	mov    %r8,%rdx
  26:	4d 8b 4d 00          	mov    0x0(%r13),%r9
* 2a:	48 8b 1c 07          	mov    (%rdi,%rax,1),%rbx <-- trapping instruction
  2e:	48 89 f8             	mov    %rdi,%rax
  31:	65 49 0f c7 09       	cmpxchg16b %gs:(%r9)
  36:	0f 1f 00             	nopl   (%rax)
  39:	49 31 d0             	xor    %rdx,%r8
  3c:	48 31 f8             	xor    %rdi,%rax
  3f:	49                   	rex.WB