Package: binfmt-support Version: 2.0.8 Severity: serious User: debian...@lists.debian.org Usertags: piuparts
Hi, during a test with piuparts I noticed a failure in the jarwrapper package whcih I traced to update-binfmts. To reproduce: * the host has the kernel module loaded and /proc/sys/fs/binfmt_misc is mounted, kernel: 3.2.0-2-amd64 * the chroot is a minimal sid or wheezy chroot and /proc/sys/fs/binfmt_misc is not yet mounted, but /proc is mounted * apt-get install jarwrapper [...] Setting up binfmt-support (2.0.9) ... invoke-rc.d: policy-rc.d denied execution of start. Setting up fastjar (2:0.98-3) ... Setting up jarwrapper (0.43) ... update-binfmts: warning: unable to close /proc/sys/fs/binfmt_misc/register: Invalid argument update-binfmts: warning: unable to enable binary format jarwrapper update-binfmts: exiting due to previous errors dpkg: error processing jarwrapper (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: jarwrapper * now /proc/sys/fs/binfmt_misc got mounted and the foloowing succeeds: * dpkg --configure --pending Setting up jarwrapper (0.43) ... The problem can be reproduced inside this chroot easily: # umount /proc/sys/fs/binfmt_misc/ # update-binfmts --install jarwrapper /usr/bin/jarwrapper --magic 'PK\x03\x04' --detector /usr/bin/jardetector update-binfmts: warning: unable to close /proc/sys/fs/binfmt_misc/register: Invalid argument update-binfmts: warning: unable to enable binary format jarwrapper update-binfmts: exiting due to previous errors # update-binfmts --install jarwrapper /usr/bin/jarwrapper --magic 'PK\x03\x04' --detector /usr/bin/jardetector && echo success success I'm setting the severity to serious as this breaks installation and testing of unrelated packages. (And I'll add here Affects/Found in the other packages s.t. piuparts can find this bugreport for automated classification) Looking at the code, /proc/sys/fs/binfmt_misc/register gets opened (but does not exist), then /proc/sys/fs/binfmt_misc gets mounted and brings its own /proc/sys/fs/binfmt_misc/register, thereafter the originally opened /proc/sys/fs/binfmt_misc/register no longer seems to exist and closing fails. Andreas -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
