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40 lines
1.3 KiB
40 lines
1.3 KiB
2 years ago
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commit d36f457870a807f6f29880a2f2bde5e9b761f00c
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Author: Martin Sebor <msebor@redhat.com>
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Date: Tue Jan 25 17:38:31 2022 -0700
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intl: Avoid -Wuse-after-free [BZ #26779]
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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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(cherry picked from commit 7845064d2d5a50e347ee9f4b78ec5e6316190154)
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diff --git a/intl/localealias.c b/intl/localealias.c
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index 375af2b03153acce..28041f2a48f643fa 100644
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--- a/intl/localealias.c
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+++ b/intl/localealias.c
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@@ -318,7 +318,15 @@ read_alias_file (const char *fname, int fname_len)
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if (string_space_act + alias_len + value_len > string_space_max)
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{
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- /* Increase size of memory pool. */
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+#pragma GCC diagnostic push
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+
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+#if defined __GNUC__ && __GNUC__ >= 12
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+ /* Suppress the valid GCC 12 warning until the code below is changed
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+ to avoid using pointers to the reallocated block. */
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+# pragma GCC diagnostic ignored "-Wuse-after-free"
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+#endif
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+
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+ /* Increase size of memory pool. */
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size_t new_size = (string_space_max
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+ (alias_len + value_len > 1024
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? alias_len + value_len : 1024));
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@@ -351,6 +359,8 @@ read_alias_file (const char *fname, int fname_len)
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value, value_len);
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string_space_act += value_len;
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+#pragma GCC diagnostic pop
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+
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++nmap;
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++added;
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}
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