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PR28391, strip/objcopy --preserve-dates *.a: cannot set time

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After commit 985e026451 copy_archive function began to pass invalid
values to the utimensat(2) function when it tries to preserve
timestamps in ar archives.  This happens because the bfd_stat_arch_elt
implementation for ar archives fills only the st_mtim.tv_sec part of
the st_mtim timespec structure, but leaves the st_mtim.tv_nsec part
and the whole st_atim timespec untouched leaving them uninitialized

	PR 28391
	* ar.c (extract_file): Clear buf for preserve_dates.
	* objcopy.c (copy_archive): Likewise.
This commit is contained in:
Gleb Fotengauer-Malinovskiy
2021-09-28 20:11:26 +09:30
committed by Alan Modra
parent cee4c731af
commit 0d62064867
2 changed files with 4 additions and 0 deletions
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binutils/objcopy.c
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@@ -3600,6 +3600,7 @@ copy_archive (bfd *ibfd, bfd *obfd, const char *output_target,
if (preserve_dates)
{
memset (&buf, 0, sizeof (buf));
stat_status = bfd_stat_arch_elt (this_element, &buf);
if (stat_status != 0)