Date: Tue, 21 Jul 2026 07:53:51 +0000 From: Peter Holm <pho@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: ff6574d2508d - main - stress2: Added a regression test Message-ID: <6a5f258f.18b57.1901d00a@gitrepo.freebsd.org>
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The branch main has been updated by pho: URL: https://cgit.FreeBSD.org/src/commit/?id=ff6574d2508d6bc72247993787963dd84c4ff9dd commit ff6574d2508d6bc72247993787963dd84c4ff9dd Author: Peter Holm <pho@FreeBSD.org> AuthorDate: 2026-07-21 07:53:24 +0000 Commit: Peter Holm <pho@FreeBSD.org> CommitDate: 2026-07-21 07:53:24 +0000 stress2: Added a regression test --- tools/test/stress2/misc/nullfs35.sh | 65 +++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/tools/test/stress2/misc/nullfs35.sh b/tools/test/stress2/misc/nullfs35.sh new file mode 100755 index 000000000000..9f46cd9316ac --- /dev/null +++ b/tools/test/stress2/misc/nullfs35.sh @@ -0,0 +1,65 @@ +#!/bin/sh + +# +# Copyright (c) 2026 Peter Holm <pho@FreeBSD.org> +# +# SPDX-License-Identifier: BSD-2-Clause +# + +# "nullfs mount over a file" scenario, see D58178 and D58191 + +set -u +prog=$(basename "$0" .sh) + +file=/tmp/$prog.file +mp=/tmp/$prog.mp +sleep=/tmp/$prog.sleep +rm -f $file +touch $mp + +# Mounting and running a program +cp /bin/date $file +mount_nullfs $file $mp || exit 1 +$mp +umount $mp + +# Display binary information for the process +rm -f $file +cp /bin/sleep $file +mount_nullfs $file $mp || exit 1 +$mp 60 & +sleep .2 +# "panic: condition vp->v_type == VDIR || VN_IS_DOOMED(vp) not met at vfs_cache.c:3547 (vn_fullpath_dir)" seen. +procstat -b $! +kill $! +umount $mp + +# Mounting a link +rm $file +cp /bin/sleep $sleep +ln $sleep $file +mount_nullfs $file $mp || exit 1 +$mp 60 & +sleep .2 +procstat -b $! +kill $! +umount $mp +rm $sleep + +# Mounting a symbolic link +rm $file +ln -s /bin/sleep $file +mount_nullfs $file $mp || exit 1 +$mp 60 & +sleep .2 +procstat -b $! +kill $! +umount $mp + +# Mounting a fifo must fail +rm $file +mkfifo $file +mount_nullfs $file $mp 2>/dev/null && exit 1 + +rm -f $file $mp +exit 0home | help
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