diff options
| author | Luca Dariz <luca@orpolo.org> | 2023-02-27 21:44:59 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-27 22:36:23 +0100 |
| commit | 8d402b754f3a436dc0e7e6e7ed3b763e98379976 (patch) | |
| tree | 5aa973bac16f74f35718b4e9225cee926669aaa4 | |
| parent | 4592eb3b02b6e6bd78bd493cf64edcd6fb65a694 (diff) | |
fix port name copyin
* x86_64/copy_user.c: in mach_msg_user_header_t there are some holes
that need to be cleared, to adapt to the different layout of
mach_msg_header_t.
Message-Id: <20230227204501.2492152-4-luca@orpolo.org>
| -rw-r--r-- | x86_64/copy_user.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/x86_64/copy_user.c b/x86_64/copy_user.c index 86d23525..ae17c368 100644 --- a/x86_64/copy_user.c +++ b/x86_64/copy_user.c @@ -194,6 +194,8 @@ int copyinmsg (const void *userbuf, void *kernelbuf, const size_t usize) "mach_msg_header_t and mach_msg_user_header_t expected to be of the same size"); if (copyin(umsg, kmsg, sizeof(mach_msg_header_t))) return 1; + kmsg->msgh_remote_port &= 0xFFFFFFFF; // FIXME: still have port names here + kmsg->msgh_local_port &= 0xFFFFFFFF; // also, this assumes little-endian #endif vm_offset_t usaddr, ueaddr, ksaddr; |