[v2] eal/ppc: support ASan
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Commit Message
Add support for Address Sanitizer (ASan) for PPC/POWER architecture.
Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
---
v2: Removed architecture test, modified programmer's guide text
config/meson.build | 2 +-
doc/guides/prog_guide/asan.rst | 6 +++---
lib/eal/common/malloc_elem.h | 2 ++
3 files changed, 6 insertions(+), 4 deletions(-)
--
2.27.0
Comments
On Mon, Nov 15, 2021 at 10:39 PM David Christensen
<drc@linux.vnet.ibm.com> wrote:
>
> Add support for Address Sanitizer (ASan) for PPC/POWER architecture.
>
> Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
On Tue, Nov 16, 2021 at 9:42 AM David Marchand
<david.marchand@redhat.com> wrote:
>
> On Mon, Nov 15, 2021 at 10:39 PM David Christensen
> <drc@linux.vnet.ibm.com> wrote:
> >
> > Add support for Address Sanitizer (ASan) for PPC/POWER architecture.
> >
> > Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
> Reviewed-by: David Marchand <david.marchand@redhat.com>
Applied, thanks.
@@ -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 in ['x86', 'arm'] and dpdk_conf.get('RTE_ARCH_64')
+ if is_linux and dpdk_conf.get('RTE_ARCH_64')
dpdk_conf.set10('RTE_MALLOC_ASAN', true)
endif
endif
@@ -32,9 +32,9 @@ Example::
- If the program is tested using cmdline, you may need to execute the
"stty echo" command when an error occurs.
-ASan is aware of DPDK memory allocations, thanks to added instrumentation.
-This is enabled on x86_64 and arm64 at the moment.
-Other architectures may have to define ASAN_SHADOW_OFFSET.
+ASan is aware of DPDK memory allocations, thanks to added instrumentation, and
+is enabled on all 64 bit architectures for Linux. Other architectures may have
+to define ASAN_SHADOW_OFFSET.
Example heap-buffer-overflow error
----------------------------------
@@ -112,6 +112,8 @@ malloc_elem_cookies_ok(const struct malloc_elem *elem)
#define ASAN_SHADOW_OFFSET 0x00007fff8000
#elif defined(RTE_ARCH_ARM64)
#define ASAN_SHADOW_OFFSET 0x001000000000
+#elif defined(RTE_ARCH_PPC_64)
+#define ASAN_SHADOW_OFFSET 0x020000000000
#endif
#define ASAN_SHADOW_GRAIN_SIZE 8