[PATCH] debuginfod: PR27917 - protect against federation loops

Mark Wielaard mark@klomp.org
Fri Aug 27 17:42:21 GMT 2021

Hi dichen,

On Fri, 2021-08-20 at 20:44 +0800, Di Chen via Elfutils-devel wrote:
> 1) moved the XFF check to handle_buildid.
> 2) replace "livelock" with "deadlock" in the commit message.

This looks very good, thanks not just for the code but for also
including documentation and a testcase.

I did make one small change to the test:

diff --git a/tests/run-debuginfod-find.sh b/tests/run-debuginfod-find.sh
index dbf20975..7e12dd7f 100755
--- a/tests/run-debuginfod-find.sh
+++ b/tests/run-debuginfod-find.sh
@@ -819,6 +819,11 @@ while true; do
     ss -atn | fgrep -e ":$PORT4" -e ":$PORT5"|| break
+# Make sure the vlogs are cleaned up after the test
+# and that they are printed on error.
+tempfiles vlog$PORT4 vlog$PORT5
+errfiles vlog$PORT4 vlog$PORT5
 env LD_LIBRARY_PATH=$ldpath DEBUGINFOD_URLS=$PORT5 ${abs_builddir}/../debuginfod/debuginfod $VERBOSE --forwarded-ttl-limit 0 -p $PORT4 > vlog$PORT4 2>&1 &

And added ChangeLog file entries. Then pushed.



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