kernel panic when touch file in filesystem mounted with sshfs

[gallafent]

Hi All,

When I try to touch a file in a filesystem mounted using sshfs, the machine crashes hard, requiring four-second-button-press.

I cleaned and reinstalled sshfs and its dependencies. The install process went like this:

MyMac:~ williamg $ sudo port install sshfs ---> Computing dependencies for sshfs ---> Dependencies to be installed: fuse4x fuse4x-kext ---> Fetching archive for fuse4x-kext ---> Attempting to fetch fuse4x-kext-0.8.12_0+universal.darwin_11.i386-x86_64.tbz2 from ​http://packages.macports.org/fuse4x-kext ---> Fetching fuse4x-kext ---> Attempting to fetch fuse4x-kext-0.8.12.tar.gz from ​http://lil.fr.distfiles.macports.org/fuse4x-kext ---> Verifying checksum(s) for fuse4x-kext ---> Extracting fuse4x-kext ---> Applying patches to fuse4x-kext ---> Configuring fuse4x-kext ---> Building fuse4x-kext ---> Staging fuse4x-kext into destroot ---> Installing fuse4x-kext @0.8.12_0+universal ---> Activating fuse4x-kext @0.8.12_0+universal ---> Cleaning fuse4x-kext ---> Fetching archive for fuse4x ---> Attempting to fetch fuse4x-0.8.12_0.darwin_11.x86_64.tbz2 from ​http://packages.macports.org/fuse4x ---> Fetching fuse4x ---> Attempting to fetch fuse4x-0.8.12.tar.gz from ​http://lil.fr.distfiles.macports.org/fuse4x ---> Verifying checksum(s) for fuse4x ---> Extracting fuse4x ---> Applying patches to fuse4x ---> Configuring fuse4x ---> Building fuse4x ---> Staging fuse4x into destroot ---> Installing fuse4x @0.8.12_0 ---> Activating fuse4x @0.8.12_0 ---> Cleaning fuse4x ---> Fetching archive for sshfs ---> Attempting to fetch sshfs-2.3_0.darwin_11.x86_64.tbz2 from ​http://packages.macports.org/sshfs ---> Fetching sshfs ---> Verifying checksum(s) for sshfs ---> Extracting sshfs ---> Applying patches to sshfs ---> Configuring sshfs ---> Building sshfs ---> Staging sshfs into destroot ---> Installing sshfs @2.3_0 ---> Activating sshfs @2.3_0 ---> Cleaning sshfs

As you can see, all the dependencies were installed fresh.

However, the hard crash results. I will attach a sample session (in which I simply mount the remote fs with -d in case that's of any use), and the kernel crash log which is presented to me after the reboot! If instead of attempting to use it, I unmount the filesystem using umount, the sshfs process terminates and all is well!

[gallafent]

console output during mount process with -d debug flag