gfs2: fsid=loop0.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5403 at fs/gfs2/rgrp.c:2630 gfs2_rbm_from_block fs/gfs2/rgrp.c:279 [inline]
WARNING: CPU: 0 PID: 5403 at fs/gfs2/rgrp.c:2630 gfs2_check_blk_type+0x44d/0x680 fs/gfs2/rgrp.c:2629
Modules linked in:
CPU: 0 UID: 0 PID: 5403 Comm: syz-executor.0 Not tainted 6.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:gfs2_check_blk_type+0x44d/0x680 fs/gfs2/rgrp.c:2630
Code: 85 d2 01 00 00 8b 1b 89 df 44 89 f6 e8 dc 8a ab fd 4c 89 74 24 10 44 39 f3 76 21 e8 0d 89 ab fd 45 31 ed eb 6e e8 03 89 ab fd <0f> 0b 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 ec 88 ab
RSP: 0018:ffffc900049478e0 EFLAGS: 00010293
RAX: ffffffff83e71f4c RBX: ffff88801ea24028 RCX: ffff88807a648000
RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013
RBP: ffffc900049479f0 R08: ffffffff83e71f42 R09: 1ffff1100227b0c8
R10: dffffc0000000000 R11: ffffed100227b0c9 R12: 1ffff11003d44806
R13: ffff88801ea24000 R14: 0000000000000012 R15: 0000000000000013
FS:  00007f204226c6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b164b30131 CR3: 0000000077408000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x166/0x6a0 fs/exportfs/expfs.c:444
 do_handle_to_path fs/fhandle.c:224 [inline]
 handle_to_path fs/fhandle.c:325 [inline]
 do_handle_open+0x764/0x9a0 fs/fhandle.c:343
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x82/0x160 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f204147cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f204226c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
RAX: ffffffffffffffda RBX: 00007f204159bf80 RCX: 00007f204147cae9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f20414c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f204159bf80 R15: 00007ffffe01f2b8
 </TASK>