general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
CPU: 1 PID: 11291 Comm: syz-executor.4 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1437 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2262 [inline]
RIP: 0010:gfs2_dump_glock+0xd75/0x1a40 fs/gfs2/glock.c:2376
Code: c6 05 67 74 81 0a 01 48 c7 c7 c0 ac 2c 8b be 07 03 00 00 48 c7 c2 00 ad 2c 8b e8 06 26 ae fd 4d 8d 75 20 4d 89 f4 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 0f 85 e8 06 00 00 41 0f b7 1e 89 de 81 e6 00
RSP: 0018:ffffc90016257280 EFLAGS: 00010207
RAX: ffffffff83bde562 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000ac99000 RSI: 0000000000035f9f RDI: 0000000000035fa0
RBP: ffffc90016257570 R08: ffffffff83bde550 R09: fffffbfff2059639
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000c
R13: 0000000000000046 R14: 0000000000000066 R15: dffffc0000000000
FS:  00007f3bc503b700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6170dad988 CR3: 0000000029eb3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_consist_inode_i+0xf5/0x110 fs/gfs2/util.c:465
 gfs2_dirent_scan+0x512/0x640 fs/gfs2/dir.c:602
 gfs2_dirent_search+0x30e/0x8c0 fs/gfs2/dir.c:850
 gfs2_dir_search+0xb2/0x2f0 fs/gfs2/dir.c:1650
 gfs2_lookupi+0x460/0x5d0 fs/gfs2/inode.c:328
 __gfs2_lookup+0xa4/0x270 fs/gfs2/inode.c:880
 __lookup_slow+0x282/0x3e0 fs/namei.c:1686
 lookup_slow+0x53/0x70 fs/namei.c:1703
 walk_component+0x2d0/0x400 fs/namei.c:1994
 lookup_last fs/namei.c:2451 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2475
 filename_lookup+0x255/0x610 fs/namei.c:2504
 user_path_at_empty+0x44/0x180 fs/namei.c:2877
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:515 [inline]
 __se_sys_chdir+0xbf/0x220 fs/open.c:509
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3bc428c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3bc503b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: ffffffffffffffda RBX: 00007f3bc43abf80 RCX: 00007f3bc428c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240
RBP: 00007f3bc42e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc7a16928f R14: 00007f3bc503b300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1437 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2262 [inline]
RIP: 0010:gfs2_dump_glock+0xd75/0x1a40 fs/gfs2/glock.c:2376
Code: c6 05 67 74 81 0a 01 48 c7 c7 c0 ac 2c 8b be 07 03 00 00 48 c7 c2 00 ad 2c 8b e8 06 26 ae fd 4d 8d 75 20 4d 89 f4 49 c1 ec 03 <43> 0f b6 04 3c 84 c0 0f 85 e8 06 00 00 41 0f b7 1e 89 de 81 e6 00
RSP: 0018:ffffc90016257280 EFLAGS: 00010207

RAX: ffffffff83bde562 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000ac99000 RSI: 0000000000035f9f RDI: 0000000000035fa0
RBP: ffffc90016257570 R08: ffffffff83bde550 R09: fffffbfff2059639
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000c
R13: 0000000000000046 R14: 0000000000000066 R15: dffffc0000000000
FS:  00007f3bc503b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f478ff26000 CR3: 0000000029eb3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c6 05 67 74 81 0a 01 	movb   $0x1,0xa817467(%rip)        # 0xa81746e
   7:	48 c7 c7 c0 ac 2c 8b 	mov    $0xffffffff8b2cacc0,%rdi
   e:	be 07 03 00 00       	mov    $0x307,%esi
  13:	48 c7 c2 00 ad 2c 8b 	mov    $0xffffffff8b2cad00,%rdx
  1a:	e8 06 26 ae fd       	callq  0xfdae2625
  1f:	4d 8d 75 20          	lea    0x20(%r13),%r14
  23:	4d 89 f4             	mov    %r14,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	43 0f b6 04 3c       	movzbl (%r12,%r15,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 e8 06 00 00    	jne    0x71f
  37:	41 0f b7 1e          	movzwl (%r14),%ebx
  3b:	89 de                	mov    %ebx,%esi
  3d:	81                   	.byte 0x81
  3e:	e6 00                	out    %al,$0x0