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Subject: [Bug 206804] Inconsistent type handling for sizes in sbuf code
Date: Sun, 31 Jan 2016 20:49:45 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206804

--- Comment #4 from CTurt <cturt@hardenedbsd.org> ---
The error is:

/jenkins/workspace/HardenedBSD-CURRENT-unstable-amd64/sy/kern/subr_sbuf.c:2=
26:60:
error: format specifies type 'int' but the argument has type 'ssize_t' (aka
'long') [-Werror,-Wformat] ("attempt to create an sbuf of negative length
(%d)", length));

Referring to this line:

KASSERT(length >=3D 0,
            ("attempt to create an sbuf of negative length (%d)", length));

I find it odd that this would give an error, but the below line doesn't:

        KASSERT(s->s_len < s->s_size,
            ("wrote past end of sbuf (%d >=3D %d)", s->s_len, s->s_size));

Regardless, I've committed a new patch to use the `%zd` format specifier he=
re,
instead:

https://github.com/HardenedBSD/hardenedBSD-playground/commit/5165b5cc55f09b=
a357bc1ee41d828ec2864e7d0d.patch

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