This patch fixes a use after free warning in the select statement processing
Since my patch for the test suite did not modify sh.c this patch and the last one I submitted do not conflict - Oliver Webb <aquahobby...@proton.me>
From b99d35655ce9c0fb9120c9a09bb05472d620bc80 Mon Sep 17 00:00:00 2001 From: Oliver Webb <aquahobby...@proton.me> Date: Fri, 8 Mar 2024 16:57:04 -0600 Subject: [PATCH] Shut up -Wuse-after-free warning in select processing --- toys/pending/sh.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/toys/pending/sh.c b/toys/pending/sh.c index 2ca2aa01..e331c6f8 100644 --- a/toys/pending/sh.c +++ b/toys/pending/sh.c @@ -3930,13 +3930,16 @@ do_then: TT.ff->pl = pop_block(); printf("\n"); } else { - match = atoi(ss); - free(ss); if (!*ss) { TT.ff->pl = blk->start; + free(ss); continue; - } else setvarval(blk->fvar, (match<1 || match>blk->farg.c) - ? "" : blk->farg.v[match-1]); + } else { + match = atoi(ss); + setvarval(blk->fvar, + (match<1 || match>blk->farg.c) ? "" : blk->farg.v[match-1]); + } + free(ss); } } else if (blk->loop >= blk->farg.c) TT.ff->pl = pop_block(); else if (!strncmp(blk->fvar, "((", 2)) { -- 2.44.0
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