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authorBenoît Ganne <bganne@cisco.com>2020-04-21 19:25:14 +0200
committerDave Barach <openvpp@barachs.net>2020-04-22 13:04:00 +0000
commit332bc084dd15a2c7b7b26bb00775c835c9630e8a (patch)
tree6fb6b0d26e41afde56d09d59f368387d72b07600
parent703128816ff8504340dcb512ff05935dab6b2e40 (diff)
misc: asan: disable leak sanitizer by default
Leak Sanitizer is not stable yet with VPP. It can always be enabled at runtime with ASAN_OPTIONS=detect_leaks=1. Type: fix Change-Id: Ieff01091e2976e127783ebd331cd0e50a1dbca12 Signed-off-by: Benoît Ganne <bganne@cisco.com>
-rw-r--r--docs/troubleshooting/sanitizer.rst8
-rw-r--r--src/vpp/vnet/main.c3
2 files changed, 5 insertions, 6 deletions
diff --git a/docs/troubleshooting/sanitizer.rst b/docs/troubleshooting/sanitizer.rst
index d4e9a4da4c5..a63720ffe42 100644
--- a/docs/troubleshooting/sanitizer.rst
+++ b/docs/troubleshooting/sanitizer.rst
@@ -35,12 +35,10 @@ build option, so all VPP targets should be supported. For example:
$ make test-debug TEST=test_gbp VPP_EXTRA_CMAKE_ARGS=-DENABLE_SANITIZE_ADDR=ON
....
-Once VPP has been built with ASan support, you can use it as usual. When
-running under a debugger it can be useful to disable LeakSanitizer which is
-not compatible with a debugger and displays spurious warnings at exit:
-
+Once VPP has been built with ASan support you can use it as usual including
+under gdb:
.. code-block:: console
- $ ASAN_OPTIONS=detect_leaks=0 gdb --args $PWD/build-root/install-vpp_debug-native/vpp/bin/vpp "unix { interactive }"
+ $ gdb --args $PWD/build-root/install-vpp_debug-native/vpp/bin/vpp "unix { interactive }"
....
diff --git a/src/vpp/vnet/main.c b/src/vpp/vnet/main.c
index 7c7dd9870e9..a95d6a75993 100644
--- a/src/vpp/vnet/main.c
+++ b/src/vpp/vnet/main.c
@@ -512,7 +512,8 @@ VLIB_CLI_COMMAND (show_bihash_command, static) =
const char *
__asan_default_options (void)
{
- return "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1";
+ return
+ "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1:detect_leaks=0";
}
#endif /* CLIB_SANITIZE_ADDR */