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audit: move audit_aux_data_execve contents into audit_context union

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audit_bprm() was being called to add an AUDIT_EXECVE record to the audit
context every time search_binary_handler() was recursively called.  Only one
reference is necessary, so just update it.  Move the the contents of
audit_aux_data_execve into the union in audit_context, removing dependence on a
kmalloc along the way.

Reported-by: Oleg Nesterov <onestero@redhat.com>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Richard Guy Briggs 2013-10-30 17:56:13 -04:00 • committed by Eric Paris
parent 9462dc5981
commit d9cfea91e9
3 changed files with 18 additions and 31 deletions
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4
include/linux/audit.h
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@ -209,7 +209,7 @@ static inline int audit_get_sessionid(struct task_struct *tsk)
extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
extern int __audit_bprm(struct linux_binprm *bprm);
extern void __audit_bprm(struct linux_binprm *bprm);
extern int __audit_socketcall(int nargs, unsigned long *args);
extern int __audit_sockaddr(int len, void *addr);
extern void __audit_fd_pair(int fd1, int fd2);
@ -241,7 +241,7 @@ static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid
static inline int audit_bprm(struct linux_binprm *bprm)
{
if (unlikely(!audit_dummy_context()))
return __audit_bprm(bprm);
__audit_bprm(bprm);
return 0;
}
static inline int audit_socketcall(int nargs, unsigned long *args)