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Commit 7f76c403 authored by Scott Wiersdorf's avatar Scott Wiersdorf Committed by Linus Torvalds
Browse files

getdelays.c: fix overrun 



A patch for getdelays.c that fixes a buffer overrun when you set -w.

Cc: <matt@bluehost.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d1ab824b

Documentation/accounting/getdelays.c

+2 −4
Original line number Diff line number Diff line
@@ -61,8 +61,6 @@ __u64 stime, utime; 
#define MAX_MSG_SIZE	1024

/* Maximum number of cpus expected to be specified in a cpumask */

#define MAX_CPUS	32

/* Maximum length of pathname to log file */

#define MAX_FILENAME	256



struct msgtemplate {

	struct nlmsghdr n;
@@ -231,7 +229,7 @@ int main(int argc, char *argv[]) 
	int count = 0;

	int write_file = 0;

	int maskset = 0;

	char logfile[128];

	char *logfile = NULL;

	int loop = 0;



	struct msgtemplate msg;
@@ -251,7 +249,7 @@ int main(int argc, char *argv[]) 
			print_io_accounting = 1;

			break;

		case 'w':

			strncpy(logfile, optarg, MAX_FILENAME);

			logfile = strdup(optarg);

			printf("write to file %s\n", logfile);

			write_file = 1;

			break;