mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-09-19 22:08:32 +00:00
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
diff --git a/bfd/archive.c b/bfd/archive.c
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index 40a3395..b905213 100644
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--- a/bfd/archive.c
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+++ b/bfd/archive.c
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@@ -1293,6 +1293,9 @@ _bfd_slurp_extended_name_table (bfd *abfd)
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amt = namedata->parsed_size;
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if (amt + 1 == 0)
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goto byebye;
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+ /* PR binutils/17533: A corrupt archive can contain an invalid size. */
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+ if (amt > (bfd_size_type) bfd_get_size (abfd))
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+ goto byebye;
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bfd_ardata (abfd)->extended_names_size = amt;
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bfd_ardata (abfd)->extended_names = (char *) bfd_zalloc (abfd, amt + 1);
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@@ -1300,6 +1303,8 @@ _bfd_slurp_extended_name_table (bfd *abfd)
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{
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byebye:
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free (namedata);
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+ bfd_ardata (abfd)->extended_names = NULL;
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+ bfd_ardata (abfd)->extended_names_size = 0;
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return FALSE;
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}
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@@ -1308,7 +1313,6 @@ _bfd_slurp_extended_name_table (bfd *abfd)
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if (bfd_get_error () != bfd_error_system_call)
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bfd_set_error (bfd_error_malformed_archive);
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bfd_release (abfd, (bfd_ardata (abfd)->extended_names));
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- bfd_ardata (abfd)->extended_names = NULL;
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goto byebye;
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}
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@@ -1316,11 +1320,12 @@ _bfd_slurp_extended_name_table (bfd *abfd)
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text, the entries in the list are newline-padded, not null
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padded. In SVR4-style archives, the names also have a
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trailing '/'. DOS/NT created archive often have \ in them
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- We'll fix all problems here.. */
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+ We'll fix all problems here. */
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{
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char *ext_names = bfd_ardata (abfd)->extended_names;
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char *temp = ext_names;
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char *limit = temp + namedata->parsed_size;
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+
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for (; temp < limit; ++temp)
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{
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if (*temp == ARFMAG[1])
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--
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1.7.1
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