glibc/glibc-upstream-2.34-375.patch
Florian Weimer ad85e10075 Sync with upstream branch release/2.34/master
Upstream commit: commit 6484ae5b8c4d4314f748e4d3c9a9baa5385e57c5

- malloc: Fix -Wuse-after-free warning in tst-mallocalign1 [BZ #26779]
- s_sincosf.h: Change pio4 type to float [BZ #28713]
- math: Properly cast X_TLOSS to float [BZ #28713]
- Regenerate ulps on x86_64 with GCC 12
- Avoid -Wuse-after-free in tests [BZ #26779].
- Fix build of nptl/tst-thread_local1.cc with GCC 12
- Fix stdio-common tests for GCC 12 -Waddress
- Fix stdlib/tst-setcontext.c for GCC 12 -Warray-compare
- resolv: Avoid GCC 12 false positive warning [BZ #28439].
- intl: Avoid -Wuse-after-free [BZ #26779]
- elf: Drop elf/tls-macros.h in favor of __thread and tls_model attributes [BZ #28152] [BZ #28205]
- time: Set daylight to 1 for matching DST/offset change (RHBZ#2155352)
- elf/tst-tlsopt-powerpc fails when compiled with -mcpu=power10 (BZ# 29776)
- time: Use 64 bit time on tzfile
- nscd: Use 64 bit time_t on libc nscd routines (BZ# 29402)
- nis: Build libnsl with 64 bit time_t
- Use LFS and 64 bit time for installed programs (BZ #15333)

Resolves: #2155352
Related: #2160734
2023-01-17 09:30:20 +01:00

40 lines
1.3 KiB
Diff

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