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authorScott Wiersdorf <scott@bluehost.com>2007-05-08 03:30:25 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 14:15:12 -0400
commit7f76c403751ab917b2ebed5663079a6b2956eebd (patch)
tree7704e45081d38e44f7f6dc717eab67220ac781fd /Documentation/accounting
parentd1ab824be43842ae7429ab1df37153e1cebb4d32 (diff)
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>
Diffstat (limited to 'Documentation/accounting')
-rw-r--r--Documentation/accounting/getdelays.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
index 6207e2f59e3b..71acc28ed0d1 100644
--- a/Documentation/accounting/getdelays.c
+++ b/Documentation/accounting/getdelays.c
@@ -61,8 +61,6 @@ __u64 stime, utime;
61#define MAX_MSG_SIZE 1024 61#define MAX_MSG_SIZE 1024
62/* Maximum number of cpus expected to be specified in a cpumask */ 62/* Maximum number of cpus expected to be specified in a cpumask */
63#define MAX_CPUS 32 63#define MAX_CPUS 32
64/* Maximum length of pathname to log file */
65#define MAX_FILENAME 256
66 64
67struct msgtemplate { 65struct msgtemplate {
68 struct nlmsghdr n; 66 struct nlmsghdr n;
@@ -231,7 +229,7 @@ int main(int argc, char *argv[])
231 int count = 0; 229 int count = 0;
232 int write_file = 0; 230 int write_file = 0;
233 int maskset = 0; 231 int maskset = 0;
234 char logfile[128]; 232 char *logfile = NULL;
235 int loop = 0; 233 int loop = 0;
236 234
237 struct msgtemplate msg; 235 struct msgtemplate msg;
@@ -251,7 +249,7 @@ int main(int argc, char *argv[])
251 print_io_accounting = 1; 249 print_io_accounting = 1;
252 break; 250 break;
253 case 'w': 251 case 'w':
254 strncpy(logfile, optarg, MAX_FILENAME); 252 logfile = strdup(optarg);
255 printf("write to file %s\n", logfile); 253 printf("write to file %s\n", logfile);
256 write_file = 1; 254 write_file = 1;
257 break; 255 break;