diff --git a/.gitignore b/.gitignore
index cb8d0dad..2d410cf6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -90,6 +90,7 @@ Irssi-Dist
 setup.cfg
 *.egg-info
 result
+result-*
 Build-fuzz
 
 # Fuzzing artifacts (runtime corpus and crash/leak files)
diff --git a/fuzz-corpora/.gitignore b/fuzz-corpora/.gitignore
new file mode 100644
index 00000000..89012106
--- /dev/null
+++ b/fuzz-corpora/.gitignore
@@ -0,0 +1,4 @@
+# Ignore libFuzzer-generated corpus files (40-char SHA1 hashes)
+# Only manually-created seed files with descriptive names should be committed here
+# Runtime corpus should go in corpus/ (which is gitignored at the repo root)
+[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]