Date: Tue, 2 Feb 2021 18:14:52 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 45456abc4ce7 - main - cache: fix trailing slash support in face of permission problems Message-ID: <202102021814.112IEqLa009596@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch main has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=45456abc4ce71053d07cf03ca63bd1ce459fec55 commit 45456abc4ce71053d07cf03ca63bd1ce459fec55 Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2021-02-02 18:06:56 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2021-02-02 18:13:51 +0000 cache: fix trailing slash support in face of permission problems Reported by: Johan Hendriks <joh.hendriks gmail.com> Tested by: kevans --- sys/kern/vfs_cache.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index 7f0e59f1a1ee..db482ea4eba3 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -5521,6 +5521,16 @@ cache_fplookup_failed_vexec(struct cache_fpl *fpl, int error) dvp = fpl->dvp; dvp_seqc = fpl->dvp_seqc; + /* + * TODO: Due to ignoring slashes lookup will perform a permission check + * on the last dir when it should not have. If it fails, we get here. + * It is possible possible to fix it up fully without resorting to + * regular lookup, but for now just abort. + */ + if (cache_fpl_istrailingslash(fpl)) { + return (cache_fpl_aborted(fpl)); + } + /* * Hack: delayed degenerate path checking. */
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202102021814.112IEqLa009596>