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audit: log 32-bit socketcalls

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32-bit socketcalls were not being logged by audit on x86_64 systems.
Log them.  This is basically a duplicate of the call from
net/socket.c:sys_socketcall(), but it addresses the impedance mismatch
between 32-bit userspace process and 64-bit kernel audit.

See: https://github.com/linux-audit/audit-kernel/issues/14

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Richard Guy Briggs 2017-01-17 11:07:15 -05:00 • committed by Paul Moore
parent 92c82e8a32
commit 62bc306e20
2 changed files with 34 additions and 3 deletions
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20
include/linux/audit.h
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@ -387,6 +387,20 @@ static inline int audit_socketcall(int nargs, unsigned long *args)
return __audit_socketcall(nargs, args);
return 0;
}
static inline int audit_socketcall_compat(int nargs, u32 *args)
{
unsigned long a[AUDITSC_ARGS];
int i;
if (audit_dummy_context())
return 0;
for (i = 0; i < nargs; i++)
a[i] = (unsigned long)args[i];
return __audit_socketcall(nargs, a);
}
static inline int audit_sockaddr(int len, void *addr)
{
if (unlikely(!audit_dummy_context()))
@ -513,6 +527,12 @@ static inline int audit_socketcall(int nargs, unsigned long *args)
{
return 0;
}
static inline int audit_socketcall_compat(int nargs, u32 *args)
{
return 0;
}
static inline void audit_fd_pair(int fd1, int fd2)
{ }
static inline int audit_sockaddr(int len, void *addr)