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Merge branch 'audit.b54' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current 

* 'audit.b54' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
  [PATCH] Fix the bug of using AUDIT_STATUS_RATE_LIMIT when set fail, no error output.
  [PATCH] Fix the kernel panic of audit_filter_task when key field is set
  Re: [PATCH] the loginuid field should be output in all AUDIT_CONFIG_CHANGE audit messages
  kernel/audit.c control character detection is off-by-one
  [PATCH] Audit: Collect signal info when SIGUSR2 is sent to auditd
This commit is contained in:
Linus Torvalds 2008-08-01 11:23:09 -07:00
parent b2bbf43e60 20c6aaa39a
commit a8086ad803
3 changed files with 19 additions and 8 deletions
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13
kernel/audit.c
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@ -707,12 +707,14 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (status_get->mask & AUDIT_STATUS_ENABLED) {
err = audit_set_enabled(status_get->enabled,
loginuid, sessionid, sid);
if (err < 0) return err;
if (err < 0)
return err;
}
if (status_get->mask & AUDIT_STATUS_FAILURE) {
err = audit_set_failure(status_get->failure,
loginuid, sessionid, sid);
if (err < 0) return err;
if (err < 0)
return err;
}
if (status_get->mask & AUDIT_STATUS_PID) {
int new_pid = status_get->pid;
@ -725,9 +727,12 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
audit_pid = new_pid;
audit_nlk_pid = NETLINK_CB(skb).pid;
}
if (status_get->mask & AUDIT_STATUS_RATE_LIMIT)
if (status_get->mask & AUDIT_STATUS_RATE_LIMIT) {
err = audit_set_rate_limit(status_get->rate_limit,
loginuid, sessionid, sid);
if (err < 0)
return err;
}
if (status_get->mask & AUDIT_STATUS_BACKLOG_LIMIT)
err = audit_set_backlog_limit(status_get->backlog_limit,
loginuid, sessionid, sid);
@ -1366,7 +1371,7 @@ int audit_string_contains_control(const char *string, size_t len)
{
const unsigned char *p;
for (p = string; p < (const unsigned char *)string + len && *p; p++) {
if (*p == '"' || *p < 0x21 || *p > 0x7f)
if (*p == '"' || *p < 0x21 || *p > 0x7e)
return 1;
}
return 0;

10
kernel/auditfilter.c
View File

@ -1022,8 +1022,11 @@ static void audit_update_watch(struct audit_parent *parent,
struct audit_buffer *ab;
ab = audit_log_start(NULL, GFP_KERNEL,
AUDIT_CONFIG_CHANGE);
audit_log_format(ab, "auid=%u ses=%u",
audit_get_loginuid(current),
audit_get_sessionid(current));
audit_log_format(ab,
"op=updated rules specifying path=");
" op=updated rules specifying path=");
audit_log_untrustedstring(ab, owatch->path);
audit_log_format(ab, " with dev=%u ino=%lu\n",
dev, ino);
@ -1058,7 +1061,10 @@ static void audit_remove_parent_watches(struct audit_parent *parent)
struct audit_buffer *ab;
ab = audit_log_start(NULL, GFP_KERNEL,
AUDIT_CONFIG_CHANGE);
audit_log_format(ab, "op=remove rule path=");
audit_log_format(ab, "auid=%u ses=%u",
audit_get_loginuid(current),
audit_get_sessionid(current));
audit_log_format(ab, " op=remove rule path=");
audit_log_untrustedstring(ab, w->path);
if (r->filterkey) {
audit_log_format(ab, " key=");

4
kernel/auditsc.c
View File

@ -610,7 +610,7 @@ static int audit_filter_rules(struct task_struct *tsk,
if (!result)
return 0;
}
if (rule->filterkey)
if (rule->filterkey && ctx)
ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC);
switch (rule->action) {
case AUDIT_NEVER: *state = AUDIT_DISABLED; break;
@ -2375,7 +2375,7 @@ int __audit_signal_info(int sig, struct task_struct *t)
struct audit_context *ctx = tsk->audit_context;
if (audit_pid && t->tgid == audit_pid) {
if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1) {
if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1 || sig == SIGUSR2) {
audit_sig_pid = tsk->pid;
if (tsk->loginuid != -1)
audit_sig_uid = tsk->loginuid;