gfs2: fsid=syz:syz.0:  H: s:SH f: e:0 p:9041 [syz-executor.1] __gfs2_lookup+0xa4/0x270 fs/gfs2/inode.c:888
general protection fault, probably for non-canonical address 0xdffffc0008bc06c5: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000000045e03628-0x0000000045e0362f]
CPU: 1 PID: 8987 Comm: syz-executor.1 Not tainted 6.3.0-syzkaller-12728-g348551ddaf31 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1457 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2266 [inline]
RIP: 0010:gfs2_dump_glock+0xdcd/0x1ad0 fs/gfs2/glock.c:2382
Code: 05 98 ee 8c 0a 01 48 c7 c7 40 a5 2c 8b be 07 03 00 00 48 c7 c2 80 a5 2c 8b e8 9f 1b b7 fd 4d 8d 74 24 20 4d 89 f5 49 c1 ed 03 <43> 0f b6 44 3d 00 84 c0 0f 85 f1 06 00 00 41 0f b7 1e 89 de 81 e6
RSP: 0018:ffffc9000b5176c0 EFLAGS: 00010207

RAX: ffffffff83b46689 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000f3f6000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000b5179b0 R08: ffffffff83b46677 R09: fffffbfff206524d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000045e0360e
R13: 0000000008bc06c5 R14: 0000000045e0362e R15: dffffc0000000000
FS:  00007f0298004700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d2d729000 CR3: 000000002981e000 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_dir_read+0x82f/0x1af0 fs/gfs2/dir.c:1599
 gfs2_readdir+0x14e/0x1b0 fs/gfs2/file.c:116
 iterate_dir+0x228/0x570
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:354
 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: 0033:0x7f029728c169
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:00007f0298004168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007f02973abf80 RCX: 00007f029728c169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f02972e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe0cedd5bf R14: 00007f0298004300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1457 [inline]
RIP: 0010:dump_holder fs/gfs2/glock.c:2266 [inline]
RIP: 0010:gfs2_dump_glock+0xdcd/0x1ad0 fs/gfs2/glock.c:2382
Code: 05 98 ee 8c 0a 01 48 c7 c7 40 a5 2c 8b be 07 03 00 00 48 c7 c2 80 a5 2c 8b e8 9f 1b b7 fd 4d 8d 74 24 20 4d 89 f5 49 c1 ed 03 <43> 0f b6 44 3d 00 84 c0 0f 85 f1 06 00 00 41 0f b7 1e 89 de 81 e6
RSP: 0018:ffffc9000b5176c0 EFLAGS: 00010207
RAX: ffffffff83b46689 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000f3f6000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000b5179b0 R08: ffffffff83b46677 R09: fffffbfff206524d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000045e0360e
R13: 0000000008bc06c5 R14: 0000000045e0362e R15: dffffc0000000000
FS:  00007f0298004700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564b3d2ae000 CR3: 000000002981e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	05 98 ee 8c 0a       	add    $0xa8cee98,%eax
   5:	01 48 c7             	add    %ecx,-0x39(%rax)
   8:	c7 40 a5 2c 8b be 07 	movl   $0x7be8b2c,-0x5b(%rax)
   f:	03 00                	add    (%rax),%eax
  11:	00 48 c7             	add    %cl,-0x39(%rax)
  14:	c2 80 a5             	retq   $0xa580
  17:	2c 8b                	sub    $0x8b,%al
  19:	e8 9f 1b b7 fd       	callq  0xfdb71bbd
  1e:	4d 8d 74 24 20       	lea    0x20(%r12),%r14
  23:	4d 89 f5             	mov    %r14,%r13
  26:	49 c1 ed 03          	shr    $0x3,%r13
* 2a:	43 0f b6 44 3d 00    	movzbl 0x0(%r13,%r15,1),%eax <-- trapping instruction
  30:	84 c0                	test   %al,%al
  32:	0f 85 f1 06 00 00    	jne    0x729
  38:	41 0f b7 1e          	movzwl (%r14),%ebx
  3c:	89 de                	mov    %ebx,%esi
  3e:	81                   	.byte 0x81
  3f:	e6                   	.byte 0xe6