On Mon,  1 Apr 2013 11:00:00 +0400, Dmitry Monakhov <dmonakhov(a)openvz.org> wrote:
Ping. Patch (
https://lkml.org/lkml/2013/4/1/65) was not a 1'st April's joke. 
Add CC:linux-audit@redhat.com
 filename should be destroyed via final_putname() instead of
__putname()
 Otherwise this result in following BUGON() in case of long names:
   kernel BUG at mm/slab.c:3006!
   Call Trace:
   kmem_cache_free+0x1c1/0x850
   audit_putname+0x88/0x90
   putname+0x73/0x80
   sys_symlinkat+0x120/0x150
   sys_symlink+0x16/0x20
   system_call_fastpath+0x16/0x1b
 
 Signed-off-by: Dmitry Monakhov <dmonakhov(a)openvz.org>
 ---
  kernel/auditsc.c |    6 +++---
  1 files changed, 3 insertions(+), 3 deletions(-)
 
 diff --git a/kernel/auditsc.c b/kernel/auditsc.c
 index a371f85..bfe7ca6 100644
 --- a/kernel/auditsc.c
 +++ b/kernel/auditsc.c
 @@ -1010,7 +1010,7 @@ static inline void audit_free_names(struct audit_context *context)
  	list_for_each_entry_safe(n, next, &context->names_list, list) {
  		list_del(&n->list);
  		if (n->name && n->name_put)
 -			__putname(n->name);
 +			final_putname(n->name);
  		if (n->should_free)
  			kfree(n);
  	}
 @@ -2036,7 +2036,7 @@ void audit_putname(struct filename *name)
  	BUG_ON(!context);
  	if (!context->in_syscall) {
  #if AUDIT_DEBUG == 2
 -		printk(KERN_ERR "%s:%d(:%d): __putname(%p)\n",
 +		printk(KERN_ERR "%s:%d(:%d): final_putname(%p)\n",
  		       __FILE__, __LINE__, context->serial, name);
  		if (context->name_count) {
  			struct audit_names *n;
 @@ -2047,7 +2047,7 @@ void audit_putname(struct filename *name)
  				       n->name, n->name->name ?: "(null)");
  			}
  #endif
 -		__putname(name);
 +		final_putname(name);
  	}
  #if AUDIT_DEBUG
  	else {
 -- 
 1.7.1