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5ad533e8e6
glibc/malloc
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Wilco Dijkstra 5ad533e8e6 Fix tcache count maximum (BZ #24531) 
The tcache counts[] array is a char, which has a very small range and thus
may overflow.  When setting tcache_count tunable, there is no overflow check.
However the tunable must not be larger than the maximum value of the tcache
counts[] array, otherwise it can overflow when filling the tcache.

	[BZ #24531]
	* malloc/malloc.c (MAX_TCACHE_COUNT): New define.
	(do_set_tcache_count): Only update if count is small enough.
	* manual/tunables.texi (glibc.malloc.tcache_count): Document max value.
2019-05-10 16:38:21 +01:00
..
alloc_buffer_alloc_array.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
alloc_buffer_allocate.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
alloc_buffer_copy_bytes.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
alloc_buffer_copy_string.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
alloc_buffer_create_failure.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
arena.c Remove do_set_mallopt_check prototype 2019-04-23 13:12:25 -07:00
Depend Update. 1999-10-04 22:59:43 +00:00
dynarray_at_failure.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
dynarray_emplace_enlarge.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
dynarray_finalize.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
dynarray_resize_clear.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
dynarray_resize.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
dynarray-skeleton.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
dynarray.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
hooks.c malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
Makefile malloc/tst-mallocfork2: Use process-shared barriers 2019-05-08 15:29:13 +02:00
malloc-hooks.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
malloc-internal.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
malloc.c Fix tcache count maximum (BZ #24531) 2019-05-10 16:38:21 +01:00
malloc.h malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
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. 2019-01-01 00:11:28 +00:00
mcheck.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
mcheck.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
memusage.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
memusage.sh Update copyright dates not handled by scripts/update-copyrights. 2019-01-01 00:15:13 +00:00
memusagestat.c Break more lines before not after operators. 2019-02-25 13:19:19 +00:00
morecore.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
mtrace.c malloc: Set and reset all hooks for tracing (Bug 16573) 2019-04-09 10:56:51 -04:00
mtrace.pl Update copyright dates not handled by scripts/update-copyrights. 2019-01-01 00:15:13 +00:00
obstack.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
obstack.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
reallocarray.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
scratch_buffer_grow_preserve.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
scratch_buffer_grow.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
scratch_buffer_set_array_size.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
set-freeres.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
thread-freeres.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-alloc_buffer.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-calloc.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-dynarray-at-fail.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-dynarray-fail.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-dynarray-shared.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-dynarray.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-aux-nothread.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-aux-thread.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-aux.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-aux.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-nothread.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-skeleton.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-static-nothread.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-static-thread.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-interpose-thread.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-malloc_info.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-malloc-backtrace.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-malloc-fork-deadlock.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +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 Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-malloc-thread-exit.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-malloc-thread-fail.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-malloc-too-large.c malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
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. 2019-01-01 00:11:28 +00:00
tst-malloc.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-mallocfork2.c malloc/tst-mallocfork2: Use process-shared barriers 2019-05-08 15:29:13 +02:00
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. 2019-01-01 00:11:28 +00:00
tst-mallopt.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-mcheck.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-memalign.c malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
tst-mtrace.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-mtrace.sh Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +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 malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
tst-pvalloc.c malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
tst-realloc.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-reallocarray.c malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
tst-scratch_buffer.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-tcfree1.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-tcfree2.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-tcfree3.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
tst-trim1.c * malloc/tst-trim1.c: New file. 2007-12-16 22:57:57 +00:00
tst-valloc.c malloc: make malloc fail with requests larger than PTRDIFF_MAX (BZ#23741) 2019-04-18 17:30:06 -03:00
Versions Implement allocation buffers for internal use 2017-06-21 22:43:57 +02:00