general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 6919 Comm: syz-executor.3 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
RIP: 0010:PagePoisoned include/linux/page-flags.h:304 [inline]
RIP: 0010:PageHead include/linux/page-flags.h:787 [inline]
RIP: 0010:PageHeadHuge+0x1d/0x200 mm/hugetlb.c:1892
Code: ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 54 55 48 89 fd 53 e8 64 af b9 ff 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 a2 01 00 00 48 8b 5d 00 48 c7 c7 ff ff ff ff 48
RSP: 0018:ffffc9000d0577b0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000d057998 RCX: ffffc90005841000
RDX: 0000000000000000 RSI: ffffffff81c2e49c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07e R12: ffffc9000d0579a8
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb0193ba700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000180 CR3: 000000007f9c0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 folio_test_hugetlb include/linux/page-flags.h:831 [inline]
 folio_file_page include/linux/pagemap.h:683 [inline]
 shmem_fault+0x27c/0x8a0 mm/shmem.c:2130
 __do_fault+0x107/0x600 mm/memory.c:4191
 do_cow_fault mm/memory.c:4572 [inline]
 do_fault mm/memory.c:4673 [inline]
 handle_pte_fault mm/memory.c:4943 [inline]
 __handle_mm_fault+0x26ac/0x3a40 mm/memory.c:5085
 handle_mm_fault+0x1c8/0x780 mm/memory.c:5206
 faultin_page mm/gup.c:953 [inline]
 __get_user_pages+0x497/0xf10 mm/gup.c:1174
 populate_vma_page_range+0x23d/0x320 mm/gup.c:1531
 mprotect_fixup+0x636/0x960 mm/mprotect.c:653
 do_mprotect_pkey+0x6fd/0xa70 mm/mprotect.c:790
 __do_sys_mprotect mm/mprotect.c:817 [inline]
 __se_sys_mprotect mm/mprotect.c:814 [inline]
 __x64_sys_mprotect+0x74/0xb0 mm/mprotect.c:814
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb01828a5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb0193ba168 EFLAGS: 00000246 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fb0183abf80 RCX: 00007fb01828a5a9
RDX: 0000000000000002 RSI: 0000000000800000 RDI: 0000000020000000
RBP: 00007fb0182e5580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff0af02d7f R14: 00007fb0193ba300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:PagePoisoned include/linux/page-flags.h:304 [inline]
RIP: 0010:PageHead include/linux/page-flags.h:787 [inline]
RIP: 0010:PageHeadHuge+0x1d/0x200 mm/hugetlb.c:1892
Code: ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 54 55 48 89 fd 53 e8 64 af b9 ff 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 a2 01 00 00 48 8b 5d 00 48 c7 c7 ff ff ff ff 48
RSP: 0018:ffffc9000d0577b0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000d057998 RCX: ffffc90005841000
RDX: 0000000000000000 RSI: ffffffff81c2e49c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000008c07e R12: ffffc9000d0579a8
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb0193ba700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5df3d6d718 CR3: 000000007f9c0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	ff 66 66             	jmpq   *0x66(%rsi)
   3:	2e 0f 1f 84 00 00 00 	nopl   %cs:0x0(%rax,%rax,1)
   a:	00 00
   c:	90                   	nop
   d:	41 54                	push   %r12
   f:	55                   	push   %rbp
  10:	48 89 fd             	mov    %rdi,%rbp
  13:	53                   	push   %rbx
  14:	e8 64 af b9 ff       	callq  0xffb9af7d
  19:	48 89 ea             	mov    %rbp,%rdx
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 a2 01 00 00    	jne    0x1d6
  34:	48 8b 5d 00          	mov    0x0(%rbp),%rbx
  38:	48 c7 c7 ff ff ff ff 	mov    $0xffffffffffffffff,%rdi
  3f:	48                   	rex.W