kernel 2.6.32-504 crashes if a fuse file system is accessed from within the kernel space

Solution Unverified - Updated -

Issue

The latest kernel 2.6.32-504 crashes if a fuse file system is accessed
from within the kernel space. This happens for instance when a fuse file system is re-exported via NFS. When it happens, the stack trace starts with

BUG: unable to handle kernel NULL pointer dereference at 0000000000000030
IP: [<ffffffffa0202260>] fuse_dentry_revalidate+0xf0/0x400 [fuse]

Environment

  • Red Hat Enterprise Linux 6.6
  • kernel-2.6.32-504

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