The branch main has been updated by trasz: URL: https://cgit.FreeBSD.org/src/commit/?id=fc595a6b76642dfdfdb8e6f9b9bbc734e95fb59c
commit fc595a6b76642dfdfdb8e6f9b9bbc734e95fb59c Author: Edward Tomasz Napierala <[email protected]> AuthorDate: 2024-11-13 10:00:38 +0000 Commit: Edward Tomasz Napierala <[email protected]> CommitDate: 2024-11-13 10:25:57 +0000 Fix "vrefact: wrong use count 0" with DRM Bump the vnode use count, not its hold count. This fixes a panic triggered by fstatat(..., AT_EMPTY_PATH) on DRM device nodes, which happens to be what glxinfo(1) from Ubuntu Jammy is doing. PR: kern/274538 Reviewed By: kib (earlier version), olce Differential Revision: https://reviews.freebsd.org/D47391 --- sys/compat/linuxkpi/common/src/linux_compat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c index 81d24603d1dd..8f705cd3b2ce 100644 --- a/sys/compat/linuxkpi/common/src/linux_compat.c +++ b/sys/compat/linuxkpi/common/src/linux_compat.c @@ -772,7 +772,7 @@ linux_dev_fdopen(struct cdev *dev, int fflags, struct thread *td, } /* hold on to the vnode - used for fstat() */ - vhold(filp->f_vnode); + vref(filp->f_vnode); /* release the file from devfs */ finit(file, filp->f_mode, DTYPE_DEV, filp, &linuxfileops); @@ -1504,7 +1504,7 @@ linux_file_close(struct file *file, struct thread *td) error = -OPW(file, td, release(filp->f_vnode, filp)); funsetown(&filp->f_sigio); if (filp->f_vnode != NULL) - vdrop(filp->f_vnode); + vrele(filp->f_vnode); linux_drop_fop(ldev); ldev = filp->f_cdev; if (ldev != NULL)
