Re: [Qemu-devel] [PATCH] linux-user: fix ipc(SEMCTL, ...) argument handling

[Peter Maydell]

On 23 June 2014 22:40, Paul Burton <address@hidden> wrote:
> The ptr argument to the ipc syscall was incorrectly being used as the
> value of the argument union for the SEMCTL call. It is actually, as its
> name would suggest, a pointer to that union.

Have you checked this on other architectures than MIPS?
I have a vague recollection that there are between-arch
differences regarding handling of the semctl argument...

Also, VERIFY_READ doesn't seem right for some of the
semctl operations which will modify the target_semun.

thanks
-- PMM