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glibc/malloc
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Wilco Dijkstra 54ba8bcd42 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.

(cherry picked from commit 5ad533e8e6)
2019-05-22 15:00:49 +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 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Depend
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 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Makefile malloc: Add another test for tcache double free check. 2018-12-12 13:23:48 +01:00
malloc-hooks.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
malloc-internal.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
malloc.c Fix tcache count maximum (BZ #24531) 2019-05-22 15:00:49 +01:00
malloc.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
mallocbug.c
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 Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
thread-freeres.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
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
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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-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
tst-malloc-usable-static.c
tst-malloc-usable-tunables.c
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
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 2018-12-12 13:22:42 +01:00
tst-tcfree2.c malloc: tcache double free check 2018-12-12 13:22:42 +01:00
tst-tcfree3.c malloc: Add another test for tcache double free check. 2018-12-12 13:23:48 +01:00
tst-trim1.c
tst-valloc.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
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