RBP: 00007f9bc2166120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f9bc159bf80 R15: 00007ffc29eb8d98
 </TASK>
general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 20587 Comm: syz-executor.4 Not tainted 6.5.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:_compound_head include/linux/page-flags.h:245 [inline]
RIP: 0010:unlock_page+0x25/0x130 mm/folio-compat.c:21
Code: 00 eb b9 66 90 f3 0f 1e fa 41 54 55 53 48 89 fb e8 c0 f8 cf ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e4 00 00 00 4c 8b 63 08 31 ff 4c 89 e5 83 e5 01
RSP: 0018:ffffc900064ef820 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004234000
RDX: 0000000000000001 RSI: ffffffff81b678c0 RDI: 0000000000000008
RBP: 0000000000000001 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000001 R11: 00000000002cde70 R12: 0000000000000000
R13: ffff888027bcd908 R14: ffffea0002331ec0 R15: 0000000000000000
FS:  00007f9bc21666c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb4f11fb8 CR3: 00000000aa666000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ni_readpage_cmpr+0x334/0xc80 fs/ntfs3/frecord.c:2153
 ntfs_read_folio+0x107/0x1e0 fs/ntfs3/inode.c:716
 filemap_read_folio+0xe5/0x2b0 mm/filemap.c:2389
 filemap_create_folio mm/filemap.c:2517 [inline]
 filemap_get_pages+0xdd7/0x1820 mm/filemap.c:2570
 filemap_splice_read+0x3d0/0x9f0 mm/filemap.c:2925
 ntfs_file_splice_read+0x10d/0x190 fs/ntfs3/file.c:773
 vfs_splice_read fs/splice.c:994 [inline]
 vfs_splice_read+0x2c8/0x3b0 fs/splice.c:963
 splice_file_to_pipe+0x105/0x120 fs/splice.c:1234
 do_sendfile+0x44d/0x1390 fs/read_write.c:1261
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64 fs/read_write.c:1308 [inline]
 __x64_sys_sendfile64+0x1d6/0x220 fs/read_write.c:1308
 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: 0033:0x7f9bc147cb29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9bc21660c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9bc159bf80 RCX: 00007f9bc147cb29
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007f9bc2166120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000fff R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f9bc159bf80 R15: 00007ffc29eb8d98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:_compound_head include/linux/page-flags.h:245 [inline]
RIP: 0010:unlock_page+0x25/0x130 mm/folio-compat.c:21
Code: 00 eb b9 66 90 f3 0f 1e fa 41 54 55 53 48 89 fb e8 c0 f8 cf ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e4 00 00 00 4c 8b 63 08 31 ff 4c 89 e5 83 e5 01
RSP: 0018:ffffc900064ef820 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004234000
RDX: 0000000000000001 RSI: ffffffff81b678c0 RDI: 0000000000000008
RBP: 0000000000000001 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000001 R11: 00000000002cde70 R12: 0000000000000000
R13: ffff888027bcd908 R14: ffffea0002331ec0 R15: 0000000000000000
FS:  00007f9bc21666c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdb4f11fb8 CR3: 00000000aa666000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	eb b9                	jmp    0xffffffbb
   2:	66 90                	xchg   %ax,%ax
   4:	f3 0f 1e fa          	endbr64
   8:	41 54                	push   %r12
   a:	55                   	push   %rbp
   b:	53                   	push   %rbx
   c:	48 89 fb             	mov    %rdi,%rbx
   f:	e8 c0 f8 cf ff       	call   0xffcff8d4
  14:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
  18:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1f:	fc ff df
  22:	48 89 fa             	mov    %rdi,%rdx
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2d:	0f 85 e4 00 00 00    	jne    0x117
  33:	4c 8b 63 08          	mov    0x8(%rbx),%r12
  37:	31 ff                	xor    %edi,%edi
  39:	4c 89 e5             	mov    %r12,%rbp
  3c:	83 e5 01             	and    $0x1,%ebp