On Mon, Jan 03, 2022 at 03:45:25AM +0000, Jason A. Harmening wrote: > The branch main has been updated by jah: > > URL: > https://cgit.FreeBSD.org/src/commit/?id=9e891d43f586e91541bd61fb12550de296d76fd9 > > commit 9e891d43f586e91541bd61fb12550de296d76fd9 > Author: Jason A. Harmening <j...@freebsd.org> > AuthorDate: 2021-12-21 23:51:51 +0000 > Commit: Jason A. Harmening <j...@freebsd.org> > CommitDate: 2022-01-03 03:52:58 +0000 > > unionfs: implement VOP_SET_TEXT/VOP_UNSET_TEXT > > The implementation simply passes the text ref to the appropriate > underlying vnode. Without this, the default [un]set_text > implementation will only manage the text ref on the unionfs vnode, > causing it to be out of sync with the underlying filesystems and > potentially allowing corruption of executable file contents. > On INVARIANTS kernels, it also readily produces a panic on process > termination because the VM object representing the executable mapping > is backed by the underlying vnode, not the unionfs vnode. > > PR: 251342 > Reviewed by: kib > Differential Revision: https://reviews.freebsd.org/D33611
Hey Jason, Thanks for working on unionfs! I'm wondering if MFC'ing all the recent unionfs work to 13-stable is planned (or possible). Thanks, -- Shawn Webb Cofounder / Security Engineer HardenedBSD https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc
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