tracing: fprobe: do not zero out unused fgraph_data

If fprobe_entry does not fill the allocated fgraph_data completely, the
unused part does not have to be zeroed.

fgraph_data is a short-lived part of the shadow stack. The preceding
length field allows locating the end regardless of the content.

Link: https://lore.kernel.org/all/20260324084804.375764-1-martin@kaiser.cx/

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Martin Kaiser 2026-03-25 00:47:01 +09:00 • committed by Masami Hiramatsu (Google)
commit e0a384434a