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Sat, 15 Jan 2022 00:51:36 GMT (envelope-from git) Date: Sat, 15 Jan 2022 00:51:36 GMT Message-Id: <202201150051.20F0paBI031096@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: bbab525fc11b - stable/13 - msdosfs: handle inconsistently hashed denodes 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: bbab525fc11b7c71e92908d0c646944f36da60ec Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; 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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=bbab525fc11b7c71e92908d0c646944f36da60ec commit bbab525fc11b7c71e92908d0c646944f36da60ec Author: Konstantin Belousov AuthorDate: 2021-12-23 23:21:53 +0000 Commit: Konstantin Belousov CommitDate: 2022-01-14 18:11:01 +0000 msdosfs: handle inconsistently hashed denodes (cherry picked from commit 595ed4d76713c1e9cab7d8a160ed59f8f4e5ecb4) --- sys/fs/msdosfs/msdosfs_denode.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/sys/fs/msdosfs/msdosfs_denode.c b/sys/fs/msdosfs/msdosfs_denode.c index de73579c7d16..bdc7436079ea 100644 --- a/sys/fs/msdosfs/msdosfs_denode.c +++ b/sys/fs/msdosfs/msdosfs_denode.c @@ -142,9 +142,23 @@ deget(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset, return (error); if (nvp != NULL) { *depp = VTODE(nvp); - KASSERT((*depp)->de_dirclust == dirclust, ("wrong dirclust")); - KASSERT((*depp)->de_diroffset == diroffset, ("wrong diroffset")); + if ((*depp)->de_dirclust != dirclust) { + printf("%s: wrong dir cluster %lu %lu\n", + pmp->pm_mountp->mnt_stat.f_mntonname, + (*depp)->de_dirclust, dirclust); + goto badoff; + } + if ((*depp)->de_diroffset != diroffset) { + printf("%s: wrong dir offset %lu %lu\n", + pmp->pm_mountp->mnt_stat.f_mntonname, + (*depp)->de_diroffset, diroffset); + goto badoff; + } return (0); +badoff: + vgone(nvp); + vput(nvp); + return (EBADF); } ldep = malloc(sizeof(struct denode), M_MSDOSFSNODE, M_WAITOK | M_ZERO);