linux-kernel - [PATCH 01/14] orangefs: don't return errno values from ->fault

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180516054348.15950-2-hch@lst.de>
Date:   Wed, 16 May 2018 07:43:35 +0200
From:   Christoph Hellwig <hch@....de>
To:     Souptick Joarder <jrdr.linux@...il.com>,
        Matthew Wilcox <willy@...radead.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, devel@...ts.orangefs.org,
        ceph-devel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, ocfs2-devel@....oracle.com,
        linux-mtd@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        lustre-devel@...ts.lustre.org,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org
Subject: [PATCH 01/14] orangefs: don't return errno values from ->fault

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/orangefs/file.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index 26358efbf794..b4a25cd4f3fa 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -528,18 +528,16 @@ static long orangefs_ioctl(struct file *file, unsigned int cmd, unsigned long ar
 	return ret;
 }
 
-static int orangefs_fault(struct vm_fault *vmf)
+static vm_fault_t orangefs_fault(struct vm_fault *vmf)
 {
 	struct file *file = vmf->vma->vm_file;
 	int rc;
-	rc = orangefs_inode_getattr(file->f_mapping->host, 0, 1,
-	    STATX_SIZE);
-	if (rc == -ESTALE)
-		rc = -EIO;
+
+	rc = orangefs_inode_getattr(file->f_mapping->host, 0, 1, STATX_SIZE);
 	if (rc) {
 		gossip_err("%s: orangefs_inode_getattr failed, "
 		    "rc:%d:.\n", __func__, rc);
-		return rc;
+		return VM_FAULT_SIGBUS;
 	}
 	return filemap_fault(vmf);
 }
-- 
2.17.0