forked from pool/glibc
Andreas Schwab
aa7f55e9fc
- Update to glibc 2.33
* The dynamic linker accepts the --list-tunables argument which prints
all the supported tunables.
* The dynamic linker accepts the --argv0 argument and provides opportunity
to change argv[0] string.
* The dynamic linker loads optimized implementations of shared objects
from subdirectories under the glibc-hwcaps directory on the library
search path if the system's capabilities meet the requirements for
that subdirectory.
* The new --help option of the dynamic linker provides usage and
information and library search path diagnostics.
* The mallinfo2 function is added to report statistics as per mallinfo,
but with larger field widths to accurately report values that are
larger than fit in an integer.
* Add <sys/platform/x86.h> to provide query macros for x86 CPU features.
* A new fortification level _FORTIFY_SOURCE=3 is available.
* The mallinfo function is marked deprecated.
* When dlopen is used in statically linked programs, alternative library
implementations from HWCAP subdirectories are no longer loaded.
* The deprecated <sys/vtimes.h> header and the function vtimes have been
removed.
* On s390(x), the type float_t is now derived from the macro
__FLT_EVAL_METHOD__ that is defined by the compiler, instead of being
hardcoded to double.
* A future version of glibc will stop loading shared objects from the
"tls" subdirectories on the library search path, the subdirectory that
corresponds to the AT_PLATFORM system name, and also stop employing
the legacy AT_HWCAP search mechanism.
* CVE-2021-3326: An assertion failure during conversion from the
ISO-20220-JP-3 character set using the iconv function has been fixed.
OBS-URL: https://build.opensuse.org/request/show/868599
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=577
62 lines
2.0 KiB
Diff
62 lines
2.0 KiB
Diff
* elf/cache.c (save_cache): Use unique temporary name.
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(save_aux_cache): Likewise.
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Index: glibc-2.29/elf/cache.c
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===================================================================
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--- glibc-2.29.orig/elf/cache.c
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+++ glibc-2.29/elf/cache.c
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@@ -427,12 +427,12 @@ save_cache (const char *cache_name)
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/* Write out the cache. */
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/* Write cache first to a temporary file and rename it later. */
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- char *temp_name = xmalloc (strlen (cache_name) + 2);
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- sprintf (temp_name, "%s~", cache_name);
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+ char *temp_name;
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+ if (asprintf (&temp_name, "%s.XXXXXX", cache_name) < 0)
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+ error (EXIT_FAILURE, errno, _("Can't allocate temporary name for cache file"));
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/* Create file. */
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- int fd = open (temp_name, O_CREAT|O_WRONLY|O_TRUNC|O_NOFOLLOW,
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- S_IRUSR|S_IWUSR);
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+ int fd = mkostemp (temp_name, 0);
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if (fd < 0)
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error (EXIT_FAILURE, errno, _("Can't create temporary cache file %s"),
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temp_name);
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@@ -481,6 +481,7 @@ save_cache (const char *cache_name)
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free (file_entries_new);
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free (file_entries);
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free (strings_finalized.strings);
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+ free (temp_name);
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while (entries)
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{
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@@ -804,8 +805,9 @@ save_aux_cache (const char *aux_cache_na
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/* Write out auxiliary cache file. */
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/* Write auxiliary cache first to a temporary file and rename it later. */
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- char *temp_name = xmalloc (strlen (aux_cache_name) + 2);
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- sprintf (temp_name, "%s~", aux_cache_name);
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+ char *temp_name;
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+ if (asprintf (&temp_name, "%s.XXXXXX", aux_cache_name) < 0)
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+ goto out_fail2;
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/* Check that directory exists and create if needed. */
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char *dir = strdupa (aux_cache_name);
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@@ -819,8 +821,7 @@ save_aux_cache (const char *aux_cache_na
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}
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/* Create file. */
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- int fd = open (temp_name, O_CREAT|O_WRONLY|O_TRUNC|O_NOFOLLOW,
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- S_IRUSR|S_IWUSR);
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+ int fd = mkostemp (temp_name, 0);
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if (fd < 0)
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goto out_fail;
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@@ -840,5 +841,6 @@ save_aux_cache (const char *aux_cache_na
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out_fail:
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/* Free allocated memory. */
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free (temp_name);
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+out_fail2:
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free (file_entries);
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}
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