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-rw-r--r--source3/lib/charcnv.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/source3/lib/charcnv.c b/source3/lib/charcnv.c
index 1c6058a43e3..5f9392b6201 100644
--- a/source3/lib/charcnv.c
+++ b/source3/lib/charcnv.c
@@ -940,6 +940,10 @@ size_t pull_ucs2(const void *base_ptr, char *dest, const void *src, size_t dest_
src_len &= ~1;
ret = convert_string(CH_UCS2, CH_UNIX, src, src_len, dest, dest_len);
+
+ if (src_len == (size_t)-1)
+ src_len = ret*2;
+
if (dest_len)
dest[MIN(ret, dest_len-1)] = 0;
else