reiserfs: enabling write barrier flush mode
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
BUG: unable to handle page fault for address: fffffbfff3702420
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7ffc3067 P4D 7ffc3067 PUD 7ffc2067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 28267 Comm: syz-executor.0 Not tainted 6.3.0-rc6-syzkaller-00173-g7a934f4bd7d6 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:__d_entry_type include/linux/dcache.h:385 [inline]
RIP: 0010:d_can_lookup include/linux/dcache.h:400 [inline]
RIP: 0010:d_is_dir include/linux/dcache.h:410 [inline]
RIP: 0010:do_open fs/namei.c:3536 [inline]
RIP: 0010:path_openat+0xca2/0x2750 fs/namei.c:3715
Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 86 16 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 08 48 89 da 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 54 16 00 00 8b 2b bf 00 00 20
RSP: 0018:ffffc90028667ae8 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffffffff9b812102 RCX: ffffc90006a81000
RDX: 1ffffffff3702420 RSI: ffffffff81e6d6b0 RDI: 0000000000000005
RBP: 0000000000100000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88801f38457c R14: 0000000000008241 R15: ffffc90028667c28
FS:  0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7f6db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: fffffbfff3702420 CR3: 000000004cefa000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_filp_open+0x1ba/0x410 fs/namei.c:3742
 do_sys_openat2+0x16d/0x4c0 fs/open.c:1348
 do_sys_open fs/open.c:1364 [inline]
 __do_sys_creat fs/open.c:1440 [inline]
 __se_sys_creat fs/open.c:1434 [inline]
 __ia32_sys_creat+0xcc/0x120 fs/open.c:1434
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 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: 0023:0xf7f93579
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:00000000f7f6d5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00000000200002c0 RCX: 0000000000000100
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: fffffbfff3702420
---[ end trace 0000000000000000 ]---
RIP: 0010:__d_entry_type include/linux/dcache.h:385 [inline]
RIP: 0010:d_can_lookup include/linux/dcache.h:400 [inline]
RIP: 0010:d_is_dir include/linux/dcache.h:410 [inline]
RIP: 0010:do_open fs/namei.c:3536 [inline]
RIP: 0010:path_openat+0xca2/0x2750 fs/namei.c:3715
Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 86 16 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 08 48 89 da 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 54 16 00 00 8b 2b bf 00 00 20
RSP: 0018:ffffc90028667ae8 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffffffff9b812102 RCX: ffffc90006a81000
RDX: 1ffffffff3702420 RSI: ffffffff81e6d6b0 RDI: 0000000000000005
RBP: 0000000000100000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88801f38457c R14: 0000000000008241 R15: ffffc90028667c28
FS:  0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7f6db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: fffffbfff3702420 CR3: 000000004cefa000 CR4: 0000000000150ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 7 bytes skipped:
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 86 16 00 00    	jne    0x1694
   e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  15:	fc ff df
  18:	49 8b 5f 08          	mov    0x8(%r15),%rbx
  1c:	48 89 da             	mov    %rbx,%rdx
  1f:	48 c1 ea 03          	shr    $0x3,%rdx
* 23:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  27:	84 c0                	test   %al,%al
  29:	74 08                	je     0x33
  2b:	3c 03                	cmp    $0x3,%al
  2d:	0f 8e 54 16 00 00    	jle    0x1687
  33:	8b 2b                	mov    (%rbx),%ebp
  35:	bf                   	.byte 0xbf
  36:	00 00                	add    %al,(%rax)
  38:	20                   	.byte 0x20