Messages in this thread Patch in this message | | | Date | Sun, 07 Apr 2013 19:20:50 +0800 | From | Chen Gang <> | Subject | [PATCH] kernel: debug: kdb: strncpy issue, using strlcpy instead of strncpy |
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kdb_prompt_str is NUL terminated string, need always set '\0' at the end.
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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