[dm-devel] [PATCH v2 23/29] multipath-tools: mpath-tools.supp: file with valgrind suppressions
mwilck at suse.com
mwilck at suse.com
Fri Oct 16 10:44:55 UTC 2020
From: Martin Wilck <mwilck at suse.com>
These leaks are caused by other libraries (libsystemd, glibc,
libgcrypt) and should be ignored when debugging with valgrind
Usage example:
valgrind --suppressions=mpath-tools.supp \
--leak-check=full --show-leak-kinds=all $COMMAND
Signed-off-by: Martin Wilck <mwilck at suse.com>
---
third-party/valgrind/mpath-tools.supp | 32 +++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 third-party/valgrind/mpath-tools.supp
diff --git a/third-party/valgrind/mpath-tools.supp b/third-party/valgrind/mpath-tools.supp
new file mode 100644
index 0000000..0537fd5
--- /dev/null
+++ b/third-party/valgrind/mpath-tools.supp
@@ -0,0 +1,32 @@
+{
+ glibc _dlerror_run leak: https://stackoverflow.com/questions/1542457/memory-leak-reported-by-valgrind-in-dlopen
+ Memcheck:Leak
+ match-leak-kinds: reachable
+ fun:calloc
+ fun:_dlerror_run
+ fun:dlopen*
+}
+
+{
+ systemd mempools are never freed: https://bugzilla.redhat.com/show_bug.cgi?id=1215670
+ Memcheck:Leak
+ match-leak-kinds: reachable
+ fun:malloc
+ fun:mempool_alloc_tile
+ fun:mempool_alloc0_tile
+ fun:hashmap_base_new
+ fun:hashmap_base_ensure_allocated
+}
+
+{
+ libgcrypt library initialization
+ Memcheck:Leak
+ match-leak-kinds: reachable
+ fun:malloc
+ ...
+ fun:_gcry_xmalloc
+ ...
+ fun:global_init.*
+ ...
+ fun:_dl_init
+}
--
2.28.0
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