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platform_bionic/libc/private
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Christopher Ferris 1fc5ccfe76 Add a platform API for setting an allocation limit. 
Introduce an M_SET_ALLOCATION_LIMIT enumerator for android_mallopt(),
which can be used to set an upper bound on the total size of all
allocations made using the memory allocation APIs.

This is useful for programs such as audioextractor and mediaserver
which need to set such a limit as a security mitigation. Currently
these programs are using setrlimit(RLIMIT_AS) which isn't exactly
what these programs want to control. RLIMIT_AS is also problematic
under sanitizers which allocate large amounts of address space as
shadow memory, and is especially problematic under shadow call stack,
which requires 16MB of address space per thread.

Add new unit tests for bionic.

Add new unit tests for malloc debug that verify that when the limit
is enabled, malloc debug still functions for nearly every allocation
function.

Bug: 118642754
Test: Ran bionic-unit-tests/bionic-unit-tests-static.
Test: Ran malloc debug tests and perfetto integration tests.
Change-Id: I735403c4d2c87f00fb2cdef81d00af0af446b2bb
2019-03-15 10:54:55 -07:00
..
__get_tls.h AArch64: Add initial support for AArch64 2013-12-16 17:00:22 -08:00
bionic_allocator.h Add BionicAllocator::memalign 2019-01-25 15:31:35 -08:00
bionic_arc4random.h Replace TLS_SLOT_BIONIC_PREINIT w/ shared globals 2018-12-04 13:51:56 -08:00
bionic_asm.h Mark __BIONIC_WEAK_FOR_NATIVE_BRIDGE symbols 2017-10-27 10:01:46 +02:00
bionic_asm_arm.h Unified sysroot: kill arch-specific include dirs. 2017-10-12 13:19:51 -07:00
bionic_asm_arm64.h Set __bionic_asm_align to 16 for arm64 2018-06-26 15:58:52 -03:00
bionic_asm_mips.h Unified sysroot: kill arch-specific include dirs. 2017-10-12 13:19:51 -07:00
bionic_asm_tls.h Reassign TLS slot 2 to TLS_SLOT_APP. 2019-01-23 18:48:48 -08:00
bionic_asm_x86.h Unified sysroot: kill arch-specific include dirs. 2017-10-12 13:19:51 -07:00
bionic_asm_x86_64.h Unified sysroot: kill arch-specific include dirs. 2017-10-12 13:19:51 -07:00
bionic_auxv.h Use shared globals so getauxval works earlier 2018-12-04 13:51:46 -08:00
bionic_config.h Use a separate config.h for config like defines. 2014-06-16 23:35:53 -07:00
bionic_constants.h Allocate a small guard region around the shadow call stack. 2018-11-16 14:37:08 -08:00
bionic_ctype.h Use inline ctype functions for ato*/strto* and scanf. 2017-12-19 16:37:01 -08:00
bionic_defs.h Mark __BIONIC_WEAK_FOR_NATIVE_BRIDGE symbols 2017-10-27 10:01:46 +02:00
bionic_elf_tls.h Implement dynamic TLS accesses and allocation 2019-01-25 17:53:01 -08:00
bionic_fdsan.h libc_shared_globals: add a constexpr ctor 2019-01-03 17:11:27 -08:00
bionic_fortify.h bionic_fortify: clarify error message for an out of bounds FD. 2018-03-14 12:37:25 +00:00
bionic_futex.h Modernize codebase by replacing NULL with nullptr 2018-08-02 18:09:44 -07:00
bionic_globals.h Add a platform API for setting an allocation limit. 2019-03-15 10:54:55 -07:00
bionic_ieee.h Fix instances of '#if __LP64__'. 2016-09-15 14:21:28 -07:00
bionic_inline_raise.h Generalize abort's inline_tgkill, use it in fdsan. 2018-08-31 16:39:23 -07:00
bionic_lock.h Fix/suppress bionic google-explicit-constructor warnings 2019-01-02 11:04:05 -08:00
bionic_macros.h Clean up bionic_macros.h a bit. 2018-10-25 11:00:00 -07:00
bionic_malloc.h Add a platform API for setting an allocation limit. 2019-03-15 10:54:55 -07:00
bionic_malloc_dispatch.h Refactor the malloc_info code. 2019-03-07 08:39:55 -08:00
bionic_mbstate.h Include what we use. 2018-01-22 12:20:16 -08:00
bionic_page.h Move PAGE_MASK into <sys/user.h>. 2015-07-28 14:58:37 -07:00
bionic_sigdefs.h Move <sys/_sigdefs.h> and <sys/_errdefs.h> to private. 2016-04-13 17:45:39 -07:00
bionic_ssp.h Simplify __stack_chk_fail, and fix it so we get debuggerd stack traces. 2013-02-14 14:37:34 -08:00
bionic_string_utils.h Fix pthread_getattr_np for the main thread. 2014-08-26 10:36:38 -07:00
bionic_systrace.h Clean up bionic_macros.h a bit. 2018-10-25 11:00:00 -07:00
bionic_time_conversions.h Always use CLOCK_MONOTONIC for pthreads and semaphores 2017-08-18 09:11:05 -07:00
bionic_tls.h Reorganize static TLS memory for ELF TLS 2019-01-11 15:34:22 -08:00
bionic_vdso.h Clean up the time(2) implementation. 2018-01-12 15:20:28 -08:00
CachedProperty.h Address a bunch of clang-tidy complaints. 2018-01-19 15:56:12 -08:00
CFIShadow.h Revert "Revert "arm64: expand CFI shadow to cover 48-bit virtual addresses"" 2017-08-03 14:11:28 -07:00
ErrnoRestorer.h Clean up bionic_macros.h a bit. 2018-10-25 11:00:00 -07:00
FdPath.h Add POSIX fexecve. 2017-10-18 16:26:17 -07:00
get_cpu_count_from_string.h Fix the way to count online cpus. 2015-09-29 17:49:37 -07:00
grp_pwd.h Require vendor users and groups to start with vendor_ 2018-05-15 14:10:21 -07:00
icu.h Implement <iconv.h>. 2017-08-25 08:47:41 -07:00
KernelArgumentBlock.h Move the abort message to libc_shared_globals 2018-11-28 14:26:14 -08:00
linker_native_bridge.h Reorganize static TLS memory for ELF TLS 2019-01-11 15:34:22 -08:00
MallocXmlElem.h Refactor the malloc_info code. 2019-03-07 08:39:55 -08:00
NetdClientDispatch.h Replace android_open_proxy with dns_open_proxy 2018-11-19 18:00:37 +08:00
ScopedPthreadMutexLocker.h Clean up bionic_macros.h a bit. 2018-10-25 11:00:00 -07:00
ScopedReaddir.h Fix/suppress bionic google-explicit-constructor warnings 2019-01-02 11:04:05 -08:00
ScopedRWLock.h Factor out ScopedRWLock into its own header 2019-01-16 01:11:26 -08:00
ScopedSignalBlocker.h Clean up bionic_macros.h a bit. 2018-10-25 11:00:00 -07:00
ScopedSignalHandler.h Fix/suppress bionic google-explicit-constructor warnings 2019-01-02 11:04:05 -08:00
sigrtmin.h Add RT signal to load heapprofd library. 2018-10-18 21:38:06 +01:00
SigSetConverter.h Add sigset64_t and accompanying functions. 2018-01-30 18:47:16 -08:00
thread_private.h Reimplement popen(3)/pclose(3). 2018-07-11 12:15:26 -07:00
WriteProtected.h Clean up bionic_macros.h a bit. 2018-10-25 11:00:00 -07:00