https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=173002
Zhenlei Huang <z...@freebsd.org> changed:
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CC| |z...@freebsd.org
--- Comment #5 from Zhenlei Huang <z...@freebsd.org> ---
Actually user space `struct spppreq spr` is not explicitly zeroed [1], so
`fuword() / fueword()` can read garbage into kernel space. I guess
/sbin/spppcontrol will get error EINVAL occasionally on a 64bit platforms.
As this is an old report, not sure if the reporter Jens can confirm this.
1.
https://cgit.freebsd.org/src/tree/sbin/spppcontrol/spppcontrol.c?h=stable/13#n63
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