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8f83d095fa
glibc/malloc
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Florian Weimer 8f83d095fa malloc: Always call memcpy in _int_realloc [BZ #24027] 
This commit removes the custom memcpy implementation from _int_realloc
for small chunk sizes.  The ncopies variable has the wrong type, and
an integer wraparound could cause the existing code to copy too few
elements (leaving the new memory region mostly uninitialized).
Therefore, removing this code fixes bug 24027.

(cherry picked from commit b50dd3bc8c)
2019-01-01 10:46:55 +01:00
..
alloc_buffer_alloc_array.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
alloc_buffer_allocate.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
alloc_buffer_copy_bytes.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
alloc_buffer_copy_string.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
alloc_buffer_create_failure.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
arena.c Run thread shutdown functions in an explicit order 2018-06-26 15:27:12 +02:00
Depend Update. 1999-10-04 22:59:43 +00:00
dynarray_at_failure.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dynarray_emplace_enlarge.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dynarray_finalize.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dynarray_resize_clear.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dynarray_resize.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dynarray-skeleton.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dynarray.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
hooks.c malloc: Update heap dumping/undumping comments [BZ #23351] 2018-06-29 14:55:15 +02:00
Makefile malloc: Add another test for tcache double free check. 2018-12-12 12:04:12 +01:00
malloc-hooks.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
malloc-internal.h Run thread shutdown functions in an explicit order 2018-06-26 15:27:12 +02:00
malloc.c malloc: Always call memcpy in _int_realloc [BZ #24027] 2019-01-01 10:46:55 +01:00
malloc.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mallocbug.c Reformat malloc to gnu style. 2014-01-02 09:40:10 +01:00
mcheck-init.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mcheck.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mcheck.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memusage.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
memusage.sh Update copyright dates not handled by scripts/update-copyrights. 2018-01-01 00:41:16 +00:00
memusagestat.c Update copyright dates not handled by scripts/update-copyrights. 2018-01-01 00:41:16 +00:00
morecore.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mtrace.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mtrace.pl Update copyright dates not handled by scripts/update-copyrights. 2018-01-01 00:41:16 +00:00
obstack.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
obstack.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
reallocarray.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
scratch_buffer_grow_preserve.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
scratch_buffer_grow.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
scratch_buffer_set_array_size.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
set-freeres.c libc: Extend __libc_freeres framework (Bug 23329). 2018-06-29 22:39:06 -04:00
thread-freeres.c libc: Extend __libc_freeres framework (Bug 23329). 2018-06-29 22:39:06 -04:00
tst-alloc_buffer.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-calloc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-dynarray-at-fail.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-dynarray-fail.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-dynarray-shared.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-dynarray.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-aux-nothread.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-aux-thread.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-aux.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-aux.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-nothread.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-skeleton.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-static-nothread.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-static-thread.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-interpose-thread.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-malloc_info.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-malloc-backtrace.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-malloc-fork-deadlock.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-malloc-stats-cancellation.c [BZ #22830] malloc_stats: restore cancellation for stderr correctly. 2018-02-10 16:24:17 -05:00
tst-malloc-tcache-leak.c Increase some test timeouts. 2018-01-04 21:58:40 +00:00
tst-malloc-thread-exit.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-malloc-thread-fail.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-malloc-too-large.c Fix integer overflows in internal memalign and malloc functions [BZ #22343] 2018-01-18 17:55:45 +01:00
tst-malloc-usable-static-tunables.c Initialize tunable list with the GLIBC_TUNABLES environment variable 2016-12-31 23:49:24 +05:30
tst-malloc-usable-static.c Add framework for tunables 2016-12-31 23:49:24 +05:30
tst-malloc-usable-tunables.c Initialize tunable list with the GLIBC_TUNABLES environment variable 2016-12-31 23:49:24 +05:30
tst-malloc-usable.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-malloc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-mallocfork2.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-mallocfork.c Prefer https for Sourceware links 2017-11-16 11:49:26 +05:30
tst-mallocstate.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-mallopt.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-mcheck.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-memalign.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-mtrace.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-mtrace.sh Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-obstack.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-posix_memalign.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-pvalloc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-realloc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-reallocarray.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-scratch_buffer.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-tcfree1.c malloc: tcache double free check 2018-11-28 15:45:42 -05:00
tst-tcfree2.c malloc: tcache double free check 2018-11-28 15:45:42 -05:00
tst-tcfree3.c malloc: Add another test for tcache double free check. 2018-12-12 12:04:12 +01:00
tst-trim1.c * malloc/tst-trim1.c: New file. 2007-12-16 22:57:57 +00:00
tst-valloc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Versions Implement allocation buffers for internal use 2017-06-21 22:43:57 +02:00