libtorrunner: memory leak in tor_runner error path

In case execv fails, libtorrunner's child() leaks string-memory.

Trac:
Username: merge

changed milestone to %Tor: 0.3.3.x-final in legacy/trac

added 034-backport? in Legacy / Trac component::core tor/tor in Legacy / Trac memleak in Legacy / Trac milestone::Tor: 0.3.3.x-final in Legacy / Trac priority::low in Legacy / Trac reporter::merge in Legacy / Trac resolution::fixed in Legacy / Trac reviewer::nickm in Legacy / Trac severity::minor in Legacy / Trac status::closed in Legacy / Trac type::defect in Legacy / Trac labels

Trac:
Username: merge

0001-libtorrunner-fix-memory-leak-in-child-error-path.patch

Trac:
Username: merge

Trac:
Keywords: N/A deleted, memleak added
Status: new to needs_review
Version: Tor: unspecified to N/A
Milestone: N/A to Tor: unspecified

Trac:
Milestone: Tor: unspecified to Tor: 0.3.5.x-final
Keywords: N/A deleted, 034-backport? added
Reviewer: N/A to nickm

This is worth doing, since it's nice to have a free for every allocation.

I've added a changes file (26fd7c1d), and fixed a warning from "make check" (db3acb3a), then merged this to maint-0.3.3 and forward. Thanks!

Trac:
Status: needs_review to closed
Milestone: Tor: 0.3.5.x-final to Tor: 0.3.3.x-final
Resolution: N/A to fixed

closed

moved from legacy/trac#28419 (moved)

added Bug label and removed 1 deleted label

removed 1 deleted label