diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-30 02:54:44 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-10-30 08:45:43 -0400 |
| commit | 120a795da07c9a02221ca23464c28a7c6ad7de1d (patch) | |
| tree | 14e0f5ab35e9397f4a1b2f5e24b8394a601aa409 /mm | |
| parent | af2951325bd6c26cb2c91943c7b11aed53504056 (diff) | |
audit mmap
Normal syscall audit doesn't catch 5th argument of syscall. It also
doesn't catch the contents of userland structures pointed to be
syscall argument, so for both old and new mmap(2) ABI it doesn't
record the descriptor we are mapping. For old one it also misses
flags.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mmap.c | 2 | ||||
| -rw-r--r-- | mm/nommu.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 00161a48a45..b179abb1474 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -28,6 +28,7 @@ #include <linux/rmap.h> #include <linux/mmu_notifier.h> #include <linux/perf_event.h> +#include <linux/audit.h> #include <asm/uaccess.h> #include <asm/cacheflush.h> @@ -1108,6 +1109,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, unsigned long retval = -EBADF; if (!(flags & MAP_ANONYMOUS)) { + audit_mmap_fd(fd, flags); if (unlikely(flags & MAP_HUGETLB)) return -EINVAL; file = fget(fd); diff --git a/mm/nommu.c b/mm/nommu.c index 30b5c20eec1..3613517c759 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -29,6 +29,7 @@ #include <linux/personality.h> #include <linux/security.h> #include <linux/syscalls.h> +#include <linux/audit.h> #include <asm/uaccess.h> #include <asm/tlb.h> @@ -1458,6 +1459,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len, struct file *file = NULL; unsigned long retval = -EBADF; + audit_mmap_fd(fd, flags); if (!(flags & MAP_ANONYMOUS)) { file = fget(fd); if (!file) |