Date: Mon, 3 May 2021 01:38:39 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: dd93a6270db3 - stable/13 - O_PATH: disable kqfilter for fifos Message-ID: <202105030138.1431cdbC045336@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=dd93a6270db30ca9ff07a108b0173368c8bf97e3 commit dd93a6270db30ca9ff07a108b0173368c8bf97e3 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-04-28 15:45:36 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-05-03 01:27:05 +0000 O_PATH: disable kqfilter for fifos (cherry picked from commit 2082565798041ceb9fb77137f00ea6b0ff50fe5e) --- sys/kern/vfs_vnops.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index f715c9828d04..832c717a33b7 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -427,7 +427,10 @@ vn_open_vnode(struct vnode *vp, int fmode, struct ucred *cred, return (error); } if ((fmode & O_PATH) != 0) { - error = VOP_ACCESS(vp, VREAD, cred, td); + if (vp->v_type == VFIFO) + error = EPIPE; + else + error = VOP_ACCESS(vp, VREAD, cred, td); if (error == 0) fp->f_flag |= FKQALLOWED; return (0);
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