pstree: fix theoretically unsafe code

In practice, p->comm is never long enough to trigger the bug, but still.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-06-28 01:59:25 +02:00
parent 26a7e2ecbf
commit 173aa78bcf

View File

@ -349,7 +349,7 @@ static void dump_by_user(PROC *current, uid_t uid)
static void handle_thread(const char *comm, pid_t pid, pid_t ppid, uid_t uid)
{
char threadname[COMM_DISP_LEN + 1];
sprintf(threadname, "{%.*s}", (int)sizeof(threadname) - 1, comm);
sprintf(threadname, "{%.*s}", (int)sizeof(threadname) - 3, comm);
add_proc(threadname, pid, ppid, uid/*, 1*/);
}
#endif