fix: add integer overflow check in st.c...

[orbisai0security]

Summary

Fix high severity security issue in st.c.

Vulnerability

Field	Value
ID	utils.custom.integer-overflow-malloc
Severity	HIGH
Scanner	semgrep
Rule	utils.custom.integer-overflow-malloc
File	st.c:624

Description: Arithmetic multiplication used to compute allocation size without overflow check. If the multiplication wraps, a too-small buffer is allocated, leading to heap overflow. Check for overflow before allocating.

Changes

• st.c

Verification

• Build passes
• Scanner re-scan confirms fix
• LLM code review passed

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Automated security fix by OrbisAI Security

[cosmo0920]

We need to add Signed-off line in your commit. Could you add the line?

[orbisai0security]

We need to add Signed-off line in your commit. Could you add the line?

done.