apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1347746/+attachment/4161134/+files/CurrentDmesg.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1347746 Title: Overlayfs breaks /proc/self/exe link Status in “linux” package in Ubuntu: Confirmed Bug description: Overlayfs breaks /proc/self/exe link when mounted not to VFS root. This issue, for example, breaks clang which uses /proc/self/exe to recursively exec self. Test case: $ mkdir /tmp/bug/ && cd /tmp/bug $ mkdir lower upper mount $ cp `which readlink` upper $ sudo mount -t overlayfs -o lowerdir=lower,upperdir=upper none mount $ ./upper/readlink /proc/self/exe /tmp/bug/upper/readlink $ ./mount/readlink /proc/self/exe /readlink At the same time aufs don't break /proc/self/exe: $ sudo umount mount/ $ sudo mount -t aufs -o noxino,br=upper:lower none mount/ $ ./mount/readlink /proc/self/exe /tmp/bug/mount/readlink --- ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: alex3d 2397 F.... pulseaudio /dev/snd/controlC0: alex3d 2397 F.... pulseaudio CRDA: country RU: (2402 - 2482 @ 40), (N/A, 20) (5735 - 5835 @ 20), (N/A, 30) CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 InstallationDate: Installed on 2014-02-10 (162 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140208) MachineType: ASUSTeK COMPUTER INC. N550JV Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-30-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro rootflags=subvol=@ quiet splash acpi_osi= vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-30.55-generic 3.13.11.2 RelatedPackageVersions: linux-restricted-modules-3.13.0-30-generic N/A linux-backports-modules-3.13.0-30-generic N/A linux-firmware 1.127.4 StagingDrivers: rts5139 Tags: trusty staging Uname: Linux 3.13.0-30-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dialout dip libvirtd lpadmin plugdev sambashare sudo wireshark _MarkForUpload: True dmi.bios.date: 09/17/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N550JV.207 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N550JV dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN550JV.207:bd09/17/2013:svnASUSTeKCOMPUTERINC.:pnN550JV:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN550JV:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: N550JV dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1347746/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
