Moderate: glibc security and bug fix update (Oracle Linux 7)

aarch64:
[2.17-292.0.2]
- CR29749550 [armv5] build failure
- Add 3 arm patches to aarch64 tree to avoid future build/merge failures.
- Rebase aarch64 patches at 30000 to avoid future conflicts.
- Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>
- EL Errata <el-errata_ww@oracle.com>
- Add BUS_MCEERR_AR, BUS_MCEERR_AO to sysdeps/unix/sysv/linux/bits/siginfo.h
- Add MAP_SHARED_VALIDATE to sysdeps/unix/sysv/linux/bits/mman-linux.h and
- sysdeps/unix/sysv/linux/aarch64/bits/mman-linux.h
- Add MAP_SYNC to sysdeps/unix/sysv/linux/aarch64/bits/mman.h
- Add RTEXT_FILTER_SKIP_STATS
- Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Orabug: <29495283>
- add Ampere emag to tunable cpu list
- add optimized memset for emag
- add an ASIMD variant of strlen for falkor
- Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Orabug: <2700101>
- Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>
- bundle of 71 upstream commits to improve malloc correctness and performance
- upstream commit 4b5b548c9fedd5e6d920639e42ea8e5f473c4de3
- Fix BZ #15089: malloc_trim always trim for large padding.
- upstream commit 51a7380b8968251a49a4c5b0bc7ed1af5b0512c6
- malloc/malloc.c: Avoid calling sbrk unnecessarily with zero
- upstream commit 8a35c3fe122d49ba76dff815b3537affb5a50b45
- Use alignment macros, pagesize and powerof2.
- upstream commit eab55bfb14f5e1ea6f522d81632ce5a1b8a8c942
- Add missing includes to sysdeps/generic/malloc-sysdep.h.
- upstream commit 987c02692a88b8c9024cb99187434aad02c3c047
- Remove mi_arena nested function.
- upstream commit 62a5881678b725cdabb27225ebae208a6e4b3f90
- Fix formatting in malloc_info
- upstream commit 9fa76613d0df2a23e2b979e2303b12d617d6729d
- Fix format specifier for n_mmaps
- upstream commit bb2ce416563a61bb065f92e022dfd231097d90b6
- malloc: fix comment typo
- upstream commit c52ff39e8ee052e4a57676d65a27f09bd0a859ad
- Fix malloc_info namespace (bug 17570).
- upstream commit fc56e970934d9e936108240f3dc05e5e131f5772
- * malloc/malloc.c: Fix powerof2 check.
- upstream commit af102d9529faee5810fde80dac6337b6148789ad
- Remove explicit inline on malloc perturb functions.
- upstream commit ca6be1655bd357bf6ac8857fba9b9dce928edbdc
- Use ALIGN_DOWN in systrim.
- upstream commit 8ba14398e629c1f63b9c91a59a47a713b3cce8bc
- Do not macro-expand failed assertion expression [BZ #18604]
- upstream commit 400e12265d99964f8445bb6d717321eb73152cc5
- Replace MUTEX_INITIALIZER with _LIBC_LOCK_INITIALIZER in generic code
- upstream commit 00d4e2ea3503e6de0f198cd65343f287a51f04db
- malloc: Remove arena_mem variable
- upstream commit ca135f824b1dbaf43e4a673de7725db76a51b714
- malloc: Remove max_total_mem member from struct malloc_par
- upstream commit 59eda029a8a35e5f4e5cd7be0f84c6629e48ec6e
- malloc: Remove NO_THREADS
- upstream commit b43f552a8a23c0e405ab13a268bee12ada3b7841
- Fix type of parameter passed by malloc_consolidate
- upstream commit 8a727af925be63aa6ea0f5f90e16751fd541626b
- malloc: Remove malloc hooks from fork handler
- upstream commit 4cf6c72fd2a482e7499c29162349810029632c3f
- malloc: Rewrite dumped heap for compatibility in __malloc_set_state
- upstream commit dea39b13e2958a7f0e75b5594a06d97d61cc439f
- malloc: Correct malloc alignment on 32-bit architectures [BZ #6527]
- upstream commit 1e8a8875d69e36d2890b223ffe8853a8ff0c9512
- malloc: Correct size computation in realloc for dumped fake mmapped chunks
- upstream commit 073f82140c7dbd7af387153c29ac7ac3e882c4ef
- malloc_usable_size: Use correct size for dumped fake mapped chunks
- upstream commit f88aab5d508c13ae4a88124e65773d7d827cd47b
- malloc: Preserve arena free list/thread count invariant [BZ #20370]
- upstream commit 5bc17330eb7667b96fee8baf3729c3310fa28b40
- elf: dl-minimal malloc needs to respect fundamental alignment
- upstream commit 4bf5f2224baa1590f92f7a26930928fe9f7e4b57
- malloc: Automated part of conversion to __libc_lock
- upstream commit c1234e60f975da09764683cddff4ef7e2a21ce78
- Document the M_ARENA_* mallopt parameters
- upstream commit 68fc2ccc1aebc15b92e596b2bdc5605da1e25f3c
- Remove redundant definitions of M_ARENA_* macros
- upstream commit aceb22c1f59231909777f7d0a6b955adbf7096a2
- Remove references to sbrk to grow/shrink arenas
- upstream commit e863cce57bff6cb795e6aad745ddf6235bca21ce
- malloc: Remove malloc_get_state, malloc_set_state [BZ #19473]
- upstream commit 681421f3cac665a82d000d854ae6df1fb3b561a5
- sysmalloc: Initialize previous size field of mmaped chunks
- upstream commit e9c4fe93b3855239752819303ca377dff0ed0553
- malloc: Use accessors for chunk metadata access
- upstream commit ae9166f2b8936304ea347a98519372804963447f
- malloc: Update comments about chunk layout
- upstream commit 3d7229c2507be1daf0c3e15e1f134076fa8b9025
- Fix malloc/ tests for GCC 7 -Walloc-size-larger-than=.
- upstream commit 17f487b7afa7cd6c316040f3e6c86dc96b2eec30
- Further harden glibc malloc metadata against 1-byte overflows.
- upstream commit e4e26210c3bdb5dcdce7a3def3b90fa45d3e2c89
- Fix failing test malloc/tst-interpose-nothread with GCC 7.
- upstream commit 622222846a2e6ffbcd02cb46cb5f29c48fe4a466
- Call the right helper function when setting mallopt M_ARENA_MAX (BZ #21338)
- upstream commit 44e4b889ab0e0497567c8983ad25a78798a3ab51
- manual: Document replacing malloc [BZ #20424
- upstream commit 3b5f801ddb838311b5b05c218caac3bdb00d7c95
- Tweak realloc/MREMAP comment to be more accurate.
- upstream commit 4e61a6be446026c327aa70cef221c9082bf0085d
- i386: Increase MALLOC_ALIGNMENT to 16 [BZ #21120]
- upstream commit d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc
- Add per-thread cache to malloc
- upstream commit be8aa923a70da16ebabe85e912abc6b815bbdcb4
- * manual/tunables.texi: Add missing @end deftp.
- upstream commit ed421fca42fd9b4cab7c66e77894b8dd7ca57ed0
- Avoid backtrace from __stack_chk_fail [BZ #12189]
- upstream commit eac43cbb8d808a40004aa0a4a286f5c5155beccb
- malloc: Avoid optimizer warning with GCC 7 and -O3
- upstream commit ec2c1fcefb200c6cb7e09553f3c6af8815013d83
- malloc: Abort on heap corru