gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6815 at fs/gfs2/rgrp.c:2628 gfs2_rbm_from_block fs/gfs2/rgrp.c:279 [inline]
WARNING: CPU: 1 PID: 6815 at fs/gfs2/rgrp.c:2628 gfs2_check_blk_type+0x370/0x570 fs/gfs2/rgrp.c:2627
Modules linked in:
CPU: 1 UID: 0 PID: 6815 Comm: syz-executor.0 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : gfs2_check_blk_type+0x370/0x570 fs/gfs2/rgrp.c:279
lr : rgrp_contains_block fs/gfs2/rgrp.h:89 [inline]
lr : gfs2_rbm_from_block fs/gfs2/rgrp.c:279 [inline]
lr : gfs2_check_blk_type+0x2f0/0x570 fs/gfs2/rgrp.c:2627
sp : ffff8000a25e76a0
x29: ffff8000a25e7760 x28: ffff0000c8dfc000 x27: dfff800000000000
x26: 1fffe000191bf805 x25: ffff7000144bced8 x24: ffff8000a25e76c0
x23: 0000000000000013 x22: ffff0000c8dfc034 x21: 0000000000000000
x20: 0000000000000012 x19: 1fffe000191bf806 x18: 1fffe0003386f276
x17: ffff80008f31e000 x16: ffff80008051c10c x15: 0000000000000001
x14: 1fffe0001c4b0ddc x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001c4b0ddd x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c84e5b80 x7 : ffff8000805b567c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082532980
x2 : 000000000000000c x1 : 0000000000000012 x0 : 0000000000000013
Call trace:
 gfs2_rbm_from_block fs/gfs2/rgrp.c:279 [inline] (P)
 gfs2_check_blk_type+0x370/0x570 fs/gfs2/rgrp.c:2627 (P)
 gfs2_inode_lookup+0x818/0x974 fs/gfs2/inode.c:178
 gfs2_lookup_by_inum+0x60/0xf8 fs/gfs2/inode.c:251
 gfs2_get_dentry fs/gfs2/export.c:139 [inline]
 gfs2_fh_to_dentry+0x12c/0x1e4 fs/gfs2/export.c:160
 exportfs_decode_fh_raw+0x150/0x614 fs/exportfs/expfs.c:455
 do_handle_to_path+0xa0/0x198 fs/fhandle.c:257
 handle_to_path fs/fhandle.c:385 [inline]
 do_handle_open+0x584/0x6dc fs/fhandle.c:403
 __do_sys_open_by_handle_at fs/fhandle.c:443 [inline]
 __se_sys_open_by_handle_at fs/fhandle.c:434 [inline]
 __arm64_sys_open_by_handle_at+0x80/0x94 fs/fhandle.c:434
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 82764
hardirqs last  enabled at (82763): [<ffff80008addfa48>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (82763): [<ffff80008addfa48>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (82764): [<ffff80008adb9eb8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (82658): [<ffff8000801fbf10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (82656): [<ffff8000801fbedc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---