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Write_rules(): Avoid stack corruption if using extremely long udev pathname 

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Jes Sorensen 2011-11-01 14:56:12 +11:00 committed by NeilBrown
parent a5cd79fec4
commit 2b710bac54
1 changed files with 2 additions and 1 deletions
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3
policy.c
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@ -883,7 +883,8 @@ int Write_rules(char *rule_name)
char udev_rule_file[PATH_MAX];
if (rule_name) {
strcpy(udev_rule_file, rule_name);
strncpy(udev_rule_file, rule_name, sizeof(udev_rule_file) - 6);
udev_rule_file[sizeof(udev_rule_file) - 6] = '\0';
strcat(udev_rule_file, ".temp");
fd = creat(udev_rule_file,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);