gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5833 at fs/gfs2/rgrp.c:2628 gfs2_check_blk_type+0x44e/0x680 fs/gfs2/rgrp.c:2628
Modules linked in:
CPU: 1 UID: 0 PID: 5833 Comm: syz-executor752 Not tainted 6.14.0-rc7-syzkaller-00196-g88d324e69ea9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:gfs2_check_blk_type+0x44e/0x680 fs/gfs2/rgrp.c:2628
Code: d4 01 00 00 8b 1b 89 df 44 89 f6 e8 5c 96 a2 fd 4c 89 74 24 10 44 39 f3 76 23 e8 8d 94 a2 fd 45 31 ed eb 70 e8 83 94 a2 fd 90 <0f> 0b 90 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 6a 94
RSP: 0018:ffffc90003c278a0 EFLAGS: 00010293
RAX: ffffffff841f4a9c RBX: ffff888029baa028 RCX: ffff888035129e00
RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013
RBP: ffffc90003c279b0 R08: ffffffff841f4a92 R09: 1ffff1100e2d5ddc
R10: dffffc0000000000 R11: ffffed100e2d5ddd R12: 1ffff11005375406
R13: ffff888029baa000 R14: 0000000000000012 R15: 0000000000000013
FS:  0000555580a46380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdd250900f8 CR3: 0000000073b9a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_inode_lookup+0xafc/0xc90 fs/gfs2/inode.c:178
 gfs2_lookup_by_inum+0x51/0xf0 fs/gfs2/inode.c:251
 gfs2_get_dentry fs/gfs2/export.c:139 [inline]
 gfs2_fh_to_dentry+0x13a/0x1f0 fs/gfs2/export.c:160
 exportfs_decode_fh_raw+0x16d/0x730 fs/exportfs/expfs.c:457
 do_handle_to_path+0xba/0x1b0 fs/fhandle.c:257
 handle_to_path fs/fhandle.c:385 [inline]
 do_handle_open+0x88d/0xb00 fs/fhandle.c:403
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd25006cd9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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:00007ffe913b09f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd25006cd9
RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000004
RBP: 00007fdd2508c5f0 R08: 0000555580a474c0 R09: 0000555580a474c0
R10: 0000000000012725 R11: 0000000000000246 R12: 00007ffe913b0a20
R13: 00007ffe913b0c48 R14: 431bde82d7b634db R15: 00007fdd2504f03b
 </TASK>