Messages in this thread | | | Date | Fri, 4 Oct 2019 15:27:48 +0100 | From | Al Viro <> | Subject | Re: [PATCH] devpts: Fix NULL pointer dereference in dcache_readdir() |
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On Fri, Oct 04, 2019 at 04:05:03PM +0200, Christian Brauner wrote: > From: Will Deacon <will@kernel.org> > > Closing /dev/pts/ptmx removes the corresponding pty under /dev/pts/ > without synchronizing against concurrent path walkers. This can lead to > 'dcache_readdir()' tripping over a 'struct dentry' with a NULL 'd_inode' > field:
FWIW, vfs.git#fixes (or #next.dcache) ought to deal with that one.
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