d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

eal/arm64: support ASan

Browse Source 
This patch defines ASAN_SHADOW_OFFSET for arm64 according to the ASan
documentation. This offset should cover all arm64 VMAs supported by
ASan.

Signed-off-by: Volodymyr Fialko <vfialko@marvell.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
Acked-by: Ruifeng Wang <ruifeng.wang@arm.com>
This commit is contained in:
Volodymyr Fialko 2021-11-09 10:59:52 +01:00 committed by David Marchand
parent 19d024003d
commit 001d402c89
3 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
config/meson.build
View File

@ -433,7 +433,7 @@ if get_option('b_sanitize') == 'address' or get_option('b_sanitize') == 'address
dpdk_extra_ldflags += '-lasan'
endif
if is_linux and arch_subdir == 'x86' and dpdk_conf.get('RTE_ARCH_64')
if is_linux and arch_subdir in ['x86', 'arm'] and dpdk_conf.get('RTE_ARCH_64')
dpdk_conf.set10('RTE_MALLOC_ASAN', true)
endif
endif

2
doc/guides/prog_guide/asan.rst
View File

@ -33,7 +33,7 @@ Example::
"stty echo" command when an error occurs.
ASan is aware of DPDK memory allocations, thanks to added instrumentation.
This is only enabled on x86_64 at the moment.
This is enabled on x86_64 and arm64 at the moment.
Other architectures may have to define ASAN_SHADOW_OFFSET.
Example heap-buffer-overflow error

6
lib/eal/common/malloc_elem.h
View File

@ -104,8 +104,14 @@ malloc_elem_cookies_ok(const struct malloc_elem *elem)
#ifdef RTE_MALLOC_ASAN
/*
* ASAN_SHADOW_OFFSET should match to the corresponding
* value defined in gcc/libsanitizer/asan/asan_mapping.h
*/
#ifdef RTE_ARCH_X86_64
#define ASAN_SHADOW_OFFSET 0x00007fff8000
#elif defined(RTE_ARCH_ARM64)
#define ASAN_SHADOW_OFFSET 0x001000000000
#endif
#define ASAN_SHADOW_GRAIN_SIZE 8