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-rw-r--r--kernel/trace/trace_uprobe.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 469ba7ecd14b..34fd0e0ec51d 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -151,6 +151,8 @@ static void FETCH_FUNC_NAME(memory, string)(struct pt_regs *regs,
return;
ret = strncpy_from_user(dst, src, maxlen);
+ if (ret == maxlen)
+ dst[--ret] = '\0';
if (ret < 0) { /* Failed to fetch string */
((u8 *)get_rloc_data(dest))[0] = '\0';