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Re: [Qemu-devel] [PATCH v3] inet_listen_opts: add error checking
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [PATCH v3] inet_listen_opts: add error checking |
Date: |
Fri, 13 Dec 2013 13:47:58 +0100 |
Hi,
> parse_uint_full takes an 'unsigned long long *', but you are passing an
> 'int *'. I'm surprised it compiled for you. It causes a buffer
> overflow if the pointer is assigned to, and gives different results
> depending on platform endianness.
Fixed in v4.
> > + error_setg(errp, "can't convert to a number: %s", port);
> > + return -1;
> > + }
> > + if (baseport < 0 || baseport + port_offset > 65535) {
> > + error_setg(errp, "port %s out of range", port);
>
> But errno is not set to a sane value at this point, so error_setg() is
> wrong.
That would be true for error_setg_errno()-
cheers,
Gerd