Fix use-after-free in lsof_select_process_regex#351
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jiegec merged 1 commit intolsof-org:masterfrom Mar 10, 2026
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Set xp to NULL after assigning to CmdRx[i].exp so that CLEAN(xp) in the cleanup path does not free memory that is now owned by CmdRx[i].exp.
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As a follow up for #351, add regression test in LTbasic, and fix memory leaks in lsof_destroy due to CmdRx.
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Set xp to NULL after assigning to CmdRx[i].exp so that CLEAN(xp) in the cleanup path does not free memory that is now owned by CmdRx[i].exp.