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forked from pool/fetchmail
fetchmail/fetchmail-6.3.8-long_headers_segfault.patch

53 lines
1.3 KiB
Diff

--- report.c
+++ report.c
@@ -238,11 +238,17 @@
rep_ensuresize();
#if defined(VA_START)
- VA_START (args, message);
for ( ; ; )
{
+ /*
+ * args has to be initialized before every call of vsnprintf(),
+ * because vsnprintf() invokes va_arg macro and thus args is
+ * undefined after the call
+ */
+ VA_START (args, message);
n = vsnprintf (partial_message + partial_message_size_used, partial_message_size - partial_message_size_used,
message, args);
+ va_end (args);
if (n >= 0
&& (unsigned)n < partial_message_size - partial_message_size_used)
@@ -254,7 +260,6 @@
partial_message_size += 2048;
partial_message = REALLOC (partial_message, partial_message_size);
}
- va_end (args);
#else
for ( ; ; )
{
@@ -304,12 +309,13 @@
rep_ensuresize();
#if defined(VA_START)
- VA_START (args, message);
for ( ; ; )
{
+ VA_START (args, message);
n = vsnprintf (partial_message + partial_message_size_used,
partial_message_size - partial_message_size_used,
message, args);
+ va_end (args);
/* old glibc versions return -1 for truncation */
if (n >= 0
@@ -322,7 +328,6 @@
partial_message_size += 2048;
partial_message = REALLOC (partial_message, partial_message_size);
}
- va_end (args);
#else
for ( ; ; )
{