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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
d1ab824be4
commit
7f76c40375
|
@ -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;
|
||||
|
|
Loading…
Reference in New Issue