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 <dmonak...@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
--
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