Date: Sat, 24 Sep 2022 16:42:36 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: b5b16659c5ac - main - tmpfs: disallow truncation to set file size past RLIMIT_FSIZE Message-ID: <202209241642.28OGgaQr058118@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=b5b16659c5aceb9caa0a9b76c7746e1d12a505ce commit b5b16659c5aceb9caa0a9b76c7746e1d12a505ce Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2022-09-18 13:28:11 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2022-09-24 16:41:30 +0000 tmpfs: disallow truncation to set file size past RLIMIT_FSIZE PR: 164793 Reviewed by: asomers, jah, markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D36625 --- sys/fs/tmpfs/tmpfs_subr.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/fs/tmpfs/tmpfs_subr.c b/sys/fs/tmpfs/tmpfs_subr.c index be1eef1c3d89..7d589b1c193d 100644 --- a/sys/fs/tmpfs/tmpfs_subr.c +++ b/sys/fs/tmpfs/tmpfs_subr.c @@ -2120,6 +2120,10 @@ tmpfs_chsize(struct vnode *vp, u_quad_t size, struct ucred *cred, if (node->tn_flags & (IMMUTABLE | APPEND)) return (EPERM); + error = vn_rlimit_trunc(size, td); + if (error != 0) + return (error); + error = tmpfs_truncate(vp, size); /* * tmpfs_truncate will raise the NOTE_EXTEND and NOTE_ATTRIB kevents
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