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xfs: fix name string recording in slowpath pptr tracepoints

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LOLLM observes that we memcpy from the xfs_name object, not the name
string pointed to by the xfs_name.  Fix that.

Cc: stable@vger.kernel.org # v6.10
Fixes: b961c8bf1f ("xfs: deferred scrub of dirents")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Assisted-by: LOLLM # finding obvious bugs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Darrick J. Wong 2026-09-01 22:42:31 -07:00 committed by Carlos Maiolino
parent eacb847950
commit 72d0a3e440
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/scrub/trace.h
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@ -1640,7 +1640,7 @@ DECLARE_EVENT_CLASS(xchk_pptr_class,
__entry->dev = ip->i_mount->m_super->s_dev;
__entry->ino = I_INO(ip);
__entry->namelen = name->len;
memcpy(__get_str(name), name, name->len);
memcpy(__get_str(name), name->name, name->len);
__entry->far_ino = far_ino;
),
TP_printk("dev %d:%d ino 0x%llx name '%.*s' far_ino 0x%llx",