Date: Mon, 20 Oct 2014 11:22:05 +0200 From: "Ronald Klop" <ronald-lists@klop.ws> To: freebsd-stable@freebsd.org Subject: Re: 10.1-RC1 tar(1) spurious directory traversal permission error Message-ID: <op.xn0uy3dxkndu52@ronaldradial.radialsg.local> In-Reply-To: <20141020090424.GB1120@rwpc15.gfn.riverwillow.net.au> References: <20141020090424.GB1120@rwpc15.gfn.riverwillow.net.au>
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On Mon, 20 Oct 2014 11:04:24 +0200, John Marshall <john.marshall@riverwillow.com.au> wrote: > I don't know if tar(1) is the culprit or an innocent bystander but this > is what I am seeing on 10.1-RC1 (r272468 amd64). The archive appears to > be written properly prior to generation of the error message. Although > the user is permitted to traverse the parent directory, tar(1) emits the > complaint if the parent directory is not readable. Filesystem is UFS. > > $ tar -czf dtt.tgz -C /data/tftp/thlan . > tar: .: Unable to continue traversing directory tree: Permission denied > tar: Error exit delayed from previous errors. > $ > > $ ls -ld /data /data/tftp /data/tftp/thlan > drwxr-xr-x 33 root wheel 1024 2 Sep 20:13 /data > drwxr-x--x 4 root wheel 512 23 Apr 09:00 /data/tftp > drwxr-x--x 3 john wheel 512 23 Apr 10:28 /data/tftp/thlan > > # chmod o+r /data/tftp > > $ tar -czf dtt.tgz -C /data/tftp/thlan . > $ > > I haven't played with 10.0 but this behaviour is different to other > earlier releases (e.g. 9.3-RELEASE doesn't do this). > > I have filed a PR [Bug 194477]. > Maybe the output of 'truss -o /tmp/truss.txt tar -czf dtt.tgz -C /data/tftp/thlan .' gives interesting information about what is exactly giving the permission denied. Ronald.
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