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authorStefan Liebler <stli@linux.ibm.com>2020-11-23 10:51:24 +0100
committerStefan Liebler <stli@linux.ibm.com>2020-11-23 10:51:24 +0100
commit29fddfc7dfd6444fa61a256e9a0d0127545e1f2e (patch)
tree01bb8ec6b2e22ae9397698b98a378129ab137cf2 /posix/bug-ga2.root
parent76ea70c613cee23a1846b9605e6433c1fa8baea7 (diff)
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Use libnss_files.so for tests posix/bug-ga2 and resolv/tst-leaks2 [BZ #26821]
The tests posix/bug-ga2-mem and resolv/mtrace-tst-leaks2 are failing on
fedora 33 as mtrace reports memory leaks.

The /etc/nsswitch.conf differs between
Fedora 32: hosts:      files dns myhostname
Fedora 33: hosts:      files resolve [!UNAVAIL=return] myhostname dns

Therefore /lib64/libnss_resolve.so.2 (from systemd) and the dependencies
libgcc_s.so.1 and libpthread.so.0 are loaded.

Usually all malloc'ed resources from getaddrinfo / gethostbyname are freed
and the libraries are dlclose'd in nss/nsswitch.c:libc_freeres_fn (free_mem).
Unfortunately, /lib64/libnss_resolve.so.2 is marked with DF_1_NODELETE.
As this library is not unmapped, you'll see "Memory not freed".

Therefore those tests are now only relying on libnss_files.so by making
them test-container tests and providing the required configuration files.

By moving the tests to tests-container, those are now running with
"make check".  Therefore the mtrace part of the tests are also moved
from "make xcheck" to "make check".

bug-ga2.c is now using test-driver.c in order to support WAIT_FOR_DEBUGGER
environment variable.
Diffstat (limited to 'posix/bug-ga2.root')
-rw-r--r--posix/bug-ga2.root/etc/hosts1
-rw-r--r--posix/bug-ga2.root/etc/nsswitch.conf2
-rw-r--r--posix/bug-ga2.root/etc/services1
3 files changed, 4 insertions, 0 deletions
diff --git a/posix/bug-ga2.root/etc/hosts b/posix/bug-ga2.root/etc/hosts
new file mode 100644
index 0000000000..65151f27f5
--- /dev/null
+++ b/posix/bug-ga2.root/etc/hosts
@@ -0,0 +1 @@
+192.0.2.1 www.gnu.org
diff --git a/posix/bug-ga2.root/etc/nsswitch.conf b/posix/bug-ga2.root/etc/nsswitch.conf
new file mode 100644
index 0000000000..fd2edb44dc
--- /dev/null
+++ b/posix/bug-ga2.root/etc/nsswitch.conf
@@ -0,0 +1,2 @@
+services: files
+hosts:    files
diff --git a/posix/bug-ga2.root/etc/services b/posix/bug-ga2.root/etc/services
new file mode 100644
index 0000000000..94d4f07612
--- /dev/null
+++ b/posix/bug-ga2.root/etc/services
@@ -0,0 +1 @@
+http 80/tcp