Date: Tue, 02 Jan 2024 21:46:28 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 276043] md5(1) et al are broken when reading the last argument because of capsicum(4) code Message-ID: <bug-276043-227-kbvcUY3FOt@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-276043-227@https.bugs.freebsd.org/bugzilla/> References: <bug-276043-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D276043 Ricardo Branco <rbranco@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|fread(3) is truncated when |md5(1) et al are broken |reading from |when reading the last |pseudo-filesystems |argument because of | |capsicum(4) code --- Comment #2 from Ricardo Branco <rbranco@suse.com> --- I figured out the problematic code at: ``` /* * XXX Enter capability mode on the last argv file. * When a casper file service or other approach is * available, switch to that and enter capability m= ode * earlier. */ if (*(argv + 1) =3D=3D NULL) { #ifdef HAVE_CAPSICUM cap_rights_init(&rights, CAP_READ, CAP_FSTA= T); if (caph_rights_limit(fileno(f), &rights) <= 0 || caph_enter() < 0) err(1, "capsicum"); #endif } ``` So md5 works if I pass /dev/null as the last argument: $ md5 /compat/linux/proc/cpuinfo MD5 (/compat/linux/proc/cpuinfo) =3D 36966b53dc9e57113b2b7637d8b51720 $ md5 /compat/linux/proc/cpuinfo /dev/null MD5 (/compat/linux/proc/cpuinfo) =3D 142e18c701aa58b0e691920e2bf98e56 MD5 (/dev/null) =3D d41d8cd98f00b204e9800998ecf8427e --=20 You are receiving this mail because: You are the assignee for the bug.=
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