The stack object “si” has a total size of 128 bytes; however, only 16 bytes are initialized. The remaining uninitialized bytes are sent to userland via send_signal. Signed-off-by: Kangjie Lu <kjlu@xxxxxxxxxx> --- fs/fcntl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/fcntl.c b/fs/fcntl.c index 350a2c8..d06f943 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -468,6 +468,7 @@ static void send_sigio_to_task(struct task_struct *p, delivered even if we can't queue. Failure to queue in this case _should_ be reported; we fall back to SIGIO in that case. --sct */ + memset(&si, 0, sizeof(si)); si.si_signo = signum; si.si_errno = 0; si.si_code = reason; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
