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Wed, 26 Oct 2022 00:44:04 GMT (envelope-from git) Date: Wed, 26 Oct 2022 00:44:04 GMT Message-Id: <202210260044.29Q0i4l7029609@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: b798b4e3d4d6 - stable/13 - vn_bmap_seekhole: check that passed offset is non-negative List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: b798b4e3d4d634d21ce6f28f9cb807ec63fd9f6e Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; 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mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=b798b4e3d4d634d21ce6f28f9cb807ec63fd9f6e commit b798b4e3d4d634d21ce6f28f9cb807ec63fd9f6e Author: Konstantin Belousov AuthorDate: 2022-10-17 15:29:38 +0000 Commit: Konstantin Belousov CommitDate: 2022-10-26 00:43:43 +0000 vn_bmap_seekhole: check that passed offset is non-negative (cherry picked from commit 33ce1788350612f4143be6837b74f77e29329fd9) --- sys/kern/vfs_vnops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 190a48291517..b71d37820b0c 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -2565,7 +2565,7 @@ vn_bmap_seekhole(struct vnode *vp, u_long cmd, off_t *off, struct ucred *cred) if (error != 0) goto unlock; noff = *off; - if (noff >= va.va_size) { + if (noff < 0 || noff >= va.va_size) { error = ENXIO; goto unlock; }