gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6876 at fs/gfs2/rgrp.c:2628 gfs2_rbm_from_block fs/gfs2/rgrp.c:279 [inline]
WARNING: CPU: 1 PID: 6876 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: 6876 Comm: syz-executor.0 Not tainted 6.16.0-rc7-syzkaller-00099-g82af5ea7c611 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 83400005 (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 : ffff8000a39f7680
x29: ffff8000a39f7740 x28: ffff0000da7ec000 x27: dfff800000000000
x26: 1fffe0001b4fd805 x25: ffff70001473eed4 x24: ffff8000a39f76a0
x23: 0000000000000013 x22: ffff0000da7ec034 x21: 0000000000000000
x20: 0000000000000012 x19: 1fffe0001b4fd806 x18: 1fffe000337d6476
x17: ffff80008f67e000 x16: ffff80008051e65c x15: 0000000000000001
x14: 1fffe0001c843ddc x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001c843ddd x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000da46bd00 x7 : ffff8000805b92bc x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082576cec
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+0x15c/0x638 fs/exportfs/expfs.c:456
 do_handle_to_path+0xa0/0x198 fs/fhandle.c:257
 handle_to_path fs/fhandle.c:385 [inline]
 do_handle_open+0x574/0x6dc 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+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 62048
hardirqs last  enabled at (62047): [<ffff80008af232f4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (62047): [<ffff80008af232f4>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (62048): [<ffff80008aefc634>] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574
softirqs last  enabled at (61964): [<ffff8000801fc608>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (61962): [<ffff8000801fc5d4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---