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-rw-r--r--security/keys/keyring.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index d46cbc5e335e..2fb2576dc644 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -1000,7 +1000,11 @@ static int keyring_detect_cycle_iterator(const void *object,
kenter("{%d}", key->serial);
- BUG_ON(key != ctx->match_data);
+ /* We might get a keyring with matching index-key that is nonetheless a
+ * different keyring. */
+ if (key != ctx->match_data)
+ return 0;
+
ctx->result = ERR_PTR(-EDEADLK);
return 1;
}