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commit: de6b2ac12e02c690f8dee2517af1c09b436f5fc9 |
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Author: Hanno Boeck <hanno <AT> gentoo <DOT> org> |
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AuthorDate: Wed Jul 18 20:03:34 2018 +0000 |
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Commit: Fabian Groffen <grobian <AT> gentoo <DOT> org> |
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CommitDate: Wed Jul 18 20:03:34 2018 +0000 |
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URL: https://gitweb.gentoo.org/proj/portage-utils.git/commit/?id=de6b2ac1 |
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|
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main: fix potential buffer underrun |
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|
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Signed-off-by: Fabian Groffen <grobian <AT> gentoo.org> |
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main.c | 2 +- |
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1 file changed, 1 insertion(+), 1 deletion(-) |
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|
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diff --git a/main.c b/main.c |
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index 7dbdbe7..30dd063 100644 |
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--- a/main.c |
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+++ b/main.c |
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@@ -969,7 +969,7 @@ initialize_portage_env(void) |
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|
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/* Make sure ROOT always ends in a slash */ |
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var = &vars_to_read[0]; |
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- if ((*var->value.s)[var->value_len - 1] != '/') { |
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+ if (var->value_len == 0 || (*var->value.s)[var->value_len - 1] != '/') { |
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portroot = xrealloc(portroot, var->value_len + 2); |
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portroot[var->value_len] = '/'; |
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portroot[var->value_len + 1] = '\0'; |
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