Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
  kgdb: Always process the whole breakpoint list on activate or deactivate
  kgdb: continue and warn on signal passing from gdb
  kgdb,x86: do not set kgdb_single_step on x86
  kgdb: allow for cpu switch when single stepping
  kgdb,i386: Fix corner case access to ss with NMI watch dog exception
  kgdb: Replace strstr() by strchr() for single-character needles
  kgdbts: Read buffer overflow
  kgdb: Read buffer overflow
  kgdb,x86: remove redundant test

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index e4ff50b95a5e..fcb6ec1af173 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -712,6 +712,12 @@ static int run_simple_test(int is_get_char, int chr)
 
 	/* End of packet == #XX so look for the '#' */
 	if (put_buf_cnt > 3 && put_buf[put_buf_cnt - 3] == '#') {
+		if (put_buf_cnt >= BUFMAX) {
+			eprintk("kgdbts: ERROR: put buffer overflow on"
+				" '%s' line %i\n", ts.name, ts.idx);
+			put_buf_cnt = 0;
+			return 0;
+		}
 		put_buf[put_buf_cnt] = '\0';
 		v2printk("put%i: %s\n", ts.idx, put_buf);
 		/* Trigger check here */
@@ -885,16 +891,16 @@ static void kgdbts_run_tests(void)
 	int nmi_sleep = 0;
 	int i;
 
-	ptr = strstr(config, "F");
+	ptr = strchr(config, 'F');
 	if (ptr)
 		fork_test = simple_strtol(ptr + 1, NULL, 10);
-	ptr = strstr(config, "S");
+	ptr = strchr(config, 'S');
 	if (ptr)
 		do_sys_open_test = simple_strtol(ptr + 1, NULL, 10);
-	ptr = strstr(config, "N");
+	ptr = strchr(config, 'N');
 	if (ptr)
 		nmi_sleep = simple_strtol(ptr+1, NULL, 10);
-	ptr = strstr(config, "I");
+	ptr = strchr(config, 'I');
 	if (ptr)
 		sstep_test = simple_strtol(ptr+1, NULL, 10);