Oops: general protection fault, probably for non-canonical address 0xdffffc0000000014: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000a0-0x00000000000000a7]
CPU: 1 UID: 0 PID: 12783 Comm: syz.4.1870 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1468 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2292 [inline]
RIP: 0010:gfs2_dump_glock+0x1033/0x1c50 fs/gfs2/glock.c:2414
Code: 60 50 d0 8b be 4b 03 00 00 48 c7 c2 a0 50 d0 8b e8 d2 28 af fd 49 8d 5d 20 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 0f 85 28 06 00 00 48 89 5c 24 28 0f b7 1b 89
RSP: 0018:ffffc9000bc26f00 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 00000000000000a7 RCX: 0000000000080000
RDX: ffffc9000e832000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000bc271f0 R08: 0000000000000000 R09: ffffffff83ef3c13
R10: dffffc0000000000 R11: fffffbfff1f43b9f R12: ffffffff83ef3c13
R13: 0000000000000087 R14: 0000000000000014 R15: 0000000000000000
FS:  00007f332019a6c0(0000) GS:ffff888125d23000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000052980000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_consist_inode_i+0xf5/0x110 fs/gfs2/util.c:457
 gfs2_dirent_scan+0x545/0x690 fs/gfs2/dir.c:-1
 gfs2_dirent_search+0x2e0/0x7e0 fs/gfs2/dir.c:853
 gfs2_dir_search+0x4c/0x220 fs/gfs2/dir.c:1653
 gfs2_lookupi+0x3d9/0x5a0 fs/gfs2/inode.c:340
 __gfs2_lookup+0x8f/0x270 fs/gfs2/inode.c:978
 __lookup_slow+0x297/0x3d0 fs/namei.c:1817
 lookup_slow+0x53/0x70 fs/namei.c:1834
 walk_component fs/namei.c:2138 [inline]
 link_path_walk+0x935/0xea0 fs/namei.c:2506
 path_lookupat+0x97/0x430 fs/namei.c:2662
 do_o_path+0x97/0x1f0 fs/namei.c:4026
 path_openat+0x311f/0x3830 fs/namei.c:4048
 do_filp_open+0x1fa/0x410 fs/namei.c:4082
 do_sys_openat2+0x121/0x1c0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_openat fs/open.c:1468 [inline]
 __se_sys_openat fs/open.c:1463 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1463
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f331f38e9a9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f332019a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f331f5b6080 RCX: 00007f331f38e9a9
RDX: 0000000000200002 RSI: 00002000000000c0 RDI: ffffffffffffff9c
RBP: 00007f331f410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f331f5b6080 R15: 00007ffe27d48ec8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1468 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2292 [inline]
RIP: 0010:gfs2_dump_glock+0x1033/0x1c50 fs/gfs2/glock.c:2414
Code: 60 50 d0 8b be 4b 03 00 00 48 c7 c2 a0 50 d0 8b e8 d2 28 af fd 49 8d 5d 20 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 0f 85 28 06 00 00 48 89 5c 24 28 0f b7 1b 89
RSP: 0018:ffffc9000bc26f00 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 00000000000000a7 RCX: 0000000000080000
RDX: ffffc9000e832000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000bc271f0 R08: 0000000000000000 R09: ffffffff83ef3c13
R10: dffffc0000000000 R11: fffffbfff1f43b9f R12: ffffffff83ef3c13
R13: 0000000000000087 R14: 0000000000000014 R15: 0000000000000000
FS:  00007f332019a6c0(0000) GS:ffff888125d23000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000014038 CR3: 0000000052980000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	50                   	push   %rax
   1:	d0 8b be 4b 03 00    	rorb   0x34bbe(%rbx)
   7:	00 48 c7             	add    %cl,-0x39(%rax)
   a:	c2 a0 50             	ret    $0x50a0
   d:	d0 8b e8 d2 28 af    	rorb   -0x50d72d18(%rbx)
  13:	fd                   	std
  14:	49 8d 5d 20          	lea    0x20(%r13),%rbx
  18:	49 89 de             	mov    %rbx,%r14
  1b:	49 c1 ee 03          	shr    $0x3,%r14
  1f:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  26:	fc ff df
* 29:	41 0f b6 04 06       	movzbl (%r14,%rax,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 28 06 00 00    	jne    0x65e
  36:	48 89 5c 24 28       	mov    %rbx,0x28(%rsp)
  3b:	0f b7 1b             	movzwl (%rbx),%ebx
  3e:	89                   	.byte 0x89