diff options
Diffstat (limited to 'sys/i386/linux/linux_machdep.c')
| -rw-r--r-- | sys/i386/linux/linux_machdep.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/i386/linux/linux_machdep.c b/sys/i386/linux/linux_machdep.c index d1f6ab99780c..57756c4d3e83 100644 --- a/sys/i386/linux/linux_machdep.c +++ b/sys/i386/linux/linux_machdep.c @@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> +#include <sys/capability.h> #include <sys/file.h> #include <sys/fcntl.h> #include <sys/imgact.h> @@ -467,9 +468,12 @@ linux_mmap_common(struct thread *td, l_uintptr_t addr, l_size_t len, l_int prot, * The file descriptor fildes is opened with * read permission, regardless of the * protection options specified. + * + * Checking just CAP_MMAP is fine here, since the real work + * is done in the FreeBSD mmap(). */ - if ((error = fget(td, bsd_args.fd, &fp)) != 0) + if ((error = fget(td, bsd_args.fd, CAP_MMAP, &fp)) != 0) return (error); if (fp->f_type != DTYPE_VNODE) { fdrop(fp, td); |