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| author | Scott Wiersdorf <scott@bluehost.com> | 2007-05-08 09:30:25 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 20:15:12 +0200 |
| commit | 7f76c403751ab917b2ebed5663079a6b2956eebd (patch) | |
| tree | 7704e45081d38e44f7f6dc717eab67220ac781fd /Documentation/accounting/getdelays.c | |
| parent | Document SPIN_LOCK_UNLOCKED/RW_LOCK_UNLOCKED deprecation (diff) | |
| download | linux-7f76c403751ab917b2ebed5663079a6b2956eebd.tar.xz linux-7f76c403751ab917b2ebed5663079a6b2956eebd.zip | |
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 '')
| -rw-r--r-- | Documentation/accounting/getdelays.c | 6 |
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; #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; |