RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 3 PID: 7397 Comm: syz-executor.0 Not tainted 6.5.0-rc1-syzkaller-00259-g831fe284d827 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
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 a0 f6 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:ffffc900293cf650 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90003a3a000
RDX: 0000000000000001 RSI: ffffffff81b67840 RDI: 0000000000000008
RBP: 0000000000000002 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000039333754 R12: 0000000000000000
R13: ffff8880003e8a90 R14: ffffea00014a1a00 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7f95b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f720f020 CR3: 0000000055201000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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_direct_to_actor+0x2a5/0xa30 fs/splice.c:1070
 do_splice_direct+0x1af/0x280 fs/splice.c:1195
 do_sendfile+0xb88/0x1390 fs/read_write.c:1254
 __do_compat_sys_sendfile fs/read_write.c:1343 [inline]
 __se_compat_sys_sendfile fs/read_write.c:1326 [inline]
 __ia32_compat_sys_sendfile+0x1e3/0x220 fs/read_write.c:1326
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f9a579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f7f955ac EFLAGS: 00000292 ORIG_RAX: 00000000000000bb
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000005
RDX: 0000000000000000 RSI: 000000000000f800 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </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 a0 f6 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:ffffc900293cf650 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90003a3a000
RDX: 0000000000000001 RSI: ffffffff81b67840 RDI: 0000000000000008
RBP: 0000000000000002 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000039333754 R12: 0000000000000000
R13: ffff8880003e8a90 R14: ffffea00014a1a00 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7f95b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f720f020 CR3: 0000000055201000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
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 a0 f6 cf ff       	call   0xffcff6b4
  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