Date: Wed, 20 Jun 2018 18:29:33 +0000 From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 228354] mount_smbfs - long hostname causes stack overflow Message-ID: <bug-228354-3630-I5s8ojzSxf@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-228354-3630@https.bugs.freebsd.org/bugzilla/> References: <bug-228354-3630@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D228354 --- Comment #7 from Brooks Davis <brooks@FreeBSD.org> --- This problem here appears to be unchecked copies from a larger array into a 17-byte array in struct nb_name. I've attached a compiled, but untested pa= tch to check the size of the hostname before copying. This restriction seems dumb and it looks like struct nb_name isn't used in kernel so it may be that we can just increase NB_NAMELEN in sys/netsmb/netbios.h. I don't know and am not a position to test. --=20 You are receiving this mail because: You are the assignee for the bug.=
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