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: 4601 Comm: syz-executor.2 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:ffffc9000385fba0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffc9000385fd88 RCX: ffffc9000c804000
RDX: 0000000000000000 RSI: ffffffff81c2e49c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffc9000385fd98
R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000031e
FS:  00007fd5da019700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f224000 CR3: 0000000074657000 CR4: 00000000003506f0
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_shared_fault mm/memory.c:4597 [inline]
 do_fault mm/memory.c:4675 [inline]
 handle_pte_fault mm/memory.c:4943 [inline]
 __handle_mm_fault+0x2200/0x3a40 mm/memory.c:5085
 handle_mm_fault+0x1c8/0x780 mm/memory.c:5206
 do_user_addr_fault+0x475/0x1210 arch/x86/mm/fault.c:1428
 handle_page_fault arch/x86/mm/fault.c:1519 [inline]
 exc_page_fault+0x94/0x170 arch/x86/mm/fault.c:1575
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fd5d8e27d2a
Code: 48 8b 54 24 d8 c1 e0 04 8d b8 7f 01 00 00 83 e7 c0 45 85 c9 74 07 89 d0 31 d2 41 f7 f1 f3 41 0f 6f 00 89 d0 c1 e0 06 48 01 c6 <0f> 11 06 f3 41 0f 6f 48 10 0f 11 4e 10 f3 41 0f 6f 50 20 0f 11 56
RSP: 002b:00007fd5da019158 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 00007fd5d8fac050 RCX: 0000000020ee7000
RDX: 0000000000000000 RSI: 000000002031e000 RDI: 0000000000100140
RBP: 00007fd5d8ee5580 R08: 0000000020000500 R09: 0000000000008000
R10: 0000000020ee7000 R11: 0000000020000500 R12: 0000000000000000
R13: 00007ffc0788371f R14: 00007fd5da019300 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:ffffc9000385fba0 EFLAGS: 00010246

RAX: dffffc0000000000 RBX: ffffc9000385fd88 RCX: ffffc9000c804000
RDX: 0000000000000000 RSI: ffffffff81c2e49c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffc9000385fd98
R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000031e
FS:  00007fd5da019700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f326000 CR3: 0000000074657000 CR4: 00000000003506f0
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