Remove the limitation on argv size. The audit system now logs arguments in
smaller chunks (currently about 8k due to userspace audit system buffer sizes)
so this is no longer a requirement.

Signed-off-by: Eric Paris
Acked-by: Peter Zijlstra

---

This patch hasn't changed since the last series, just reposted as 3/3 and rediffed.

kernel/auditsc.c | 10 ----------
kernel/sysctl.c | 11 -----------
2 files changed, 0 insertions(+), 21 deletions(-)

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index ffc8d4b..5d39727 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1917,8 +1917,6 @@ int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode
return 0;
}

-int audit_argv_kb = 32;
-
int audit_bprm(struct linux_binprm *bprm)
{
struct audit_aux_data_execve *ax;
@@ -1927,14 +1925,6 @@ int audit_bprm(struct linux_binprm *bprm)
if (likely(!audit_enabled || !context || context->dummy))
return 0;

- /*
- * Even though the stack code doesn't limit the arg+env size any more,
- * the audit code requires that _all_ arguments be logged in a single
- * netlink skb. Hence cap it :-(
- */
- if (bprm->argv_len > (audit_argv_kb << 10))
- return -E2BIG;
-
ax = kmalloc(sizeof(*ax), GFP_KERNEL);
if (!ax)
return -ENOMEM;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 53a456e..88e5d06 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -77,7 +77,6 @@ extern int percpu_pagelist_fraction;
extern int compat_log;
extern int maps_protect;
extern int sysctl_stat_interval;
-extern int audit_argv_kb;

/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
static int maxolduid = 65535;
@@ -347,16 +346,6 @@ static ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = &proc_dointvec,
},
-#ifdef CONFIG_AUDITSYSCALL
- {
- .ctl_name = CTL_UNNUMBERED,
- .procname = "audit_argv_kb",
- .data = &audit_argv_kb,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- },
-#endif
{
.ctl_name = KERN_CORE_PATTERN,
.procname = "core_pattern",


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/