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authorNick Mathewson <nickm@torproject.org>2019-12-16 15:31:23 -0500
committerNick Mathewson <nickm@torproject.org>2019-12-16 15:31:23 -0500
commitb4977d1aa9366cdb1475664bcf1486fbfdf5a166 (patch)
tree96403332d686e21ccdb017e7b9aa089b5773e10c
parentdf5c81fec0f25a684f1f7e68e80abcde5402d3ef (diff)
downloadtor-b4977d1aa9366cdb1475664bcf1486fbfdf5a166.tar.gz
tor-b4977d1aa9366cdb1475664bcf1486fbfdf5a166.zip
Fix formatting in tor_assertf() message in struct_check_magic().
Closes 32771; bugfix on 0.4.2.1-alpha.
-rw-r--r--changes/bug327714
-rw-r--r--src/lib/confmgt/structvar.c4
2 files changed, 6 insertions, 2 deletions
diff --git a/changes/bug32771 b/changes/bug32771
new file mode 100644
index 0000000000..606bcf4be4
--- /dev/null
+++ b/changes/bug32771
@@ -0,0 +1,4 @@
+ o Minor bugfixes (logging, crash):
+ - Avoid a possible crash when trying to log a (fatal) assertion failure
+ about mismatched magic numbers in configuration objects. Fixes bug 32771;
+ bugfix on 0.4.2.1-alpha.
diff --git a/src/lib/confmgt/structvar.c b/src/lib/confmgt/structvar.c
index de678d18c8..7a3b8c7df2 100644
--- a/src/lib/confmgt/structvar.c
+++ b/src/lib/confmgt/structvar.c
@@ -53,8 +53,8 @@ struct_check_magic(const void *object, const struct_magic_decl_t *decl)
const uint32_t *ptr = STRUCT_VAR_P(object, decl->magic_offset);
tor_assertf(*ptr == decl->magic_val,
"Bad magic number on purported %s object. "
- "Expected %"PRIu32"x but got "PRIu32"x.",
- decl->magic_val, *ptr);
+ "Expected %"PRIu32"x but got %"PRIu32"x.",
+ decl->typename, decl->magic_val, *ptr);
}
/**