* [PATCH v2] kernel: debug: kdb: strncpy issue, using strlcpy instead of strncpy
@ 2013-05-16 11:44 Chen Gang
0 siblings, 0 replies; only message in thread
From: Chen Gang @ 2013-05-16 11:44 UTC (permalink / raw)
To: jason.wessel; +Cc: kgdb-bugreport, linux-kernel
'kdb_prompt_str' is NUL terminated string, need always set '\0' at the
end.
Or kdb_printf() below will cause issue.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
kernel/debug/kdb/kdb_io.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 14ff484..932b436 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -442,7 +442,7 @@ poll_again:
char *kdb_getstr(char *buffer, size_t bufsize, char *prompt)
{
if (prompt && kdb_prompt_str != prompt)
- strncpy(kdb_prompt_str, prompt, CMD_BUFLEN);
+ strlcpy(kdb_prompt_str, prompt, CMD_BUFLEN);
kdb_printf(kdb_prompt_str);
kdb_nextline = 1; /* Prompt and input resets line number */
return kdb_read(buffer, bufsize);
--
1.7.7.6
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2013-05-16 11:44 [PATCH v2] kernel: debug: kdb: strncpy issue, using strlcpy instead of strncpy Chen Gang
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