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From: Stefan Ring <stefanrin@gmail.com>
To: linux-xfs@vger.kernel.org
Subject: [PATCH 5/5] xfs_metadump: Zap dev inodes
Date: Mon,  5 Nov 2018 22:31:45 +0100	[thread overview]
Message-ID: <20181105213145.7560-6-stefanrin@gmail.com> (raw)
In-Reply-To: <20181105213145.7560-1-stefanrin@gmail.com>

Signed-off-by: Stefan Ring <stefanrin@gmail.com>
---
 db/metadump.c | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/db/metadump.c b/db/metadump.c
index 59765263..57d6bc09 100644
--- a/db/metadump.c
+++ b/db/metadump.c
@@ -2269,6 +2269,25 @@ process_inode_data(
 	return 1;
 }
 
+static int
+process_dev_inode(
+	xfs_dinode_t		*dip)
+{
+	if (XFS_DFORK_NEXTENTS(dip, XFS_DATA_FORK)) {
+		if (show_warnings)
+			print_warning("inode %llu has unexpected extents",
+				      (unsigned long long)cur_ino);
+		return 0;
+	} else {
+		if (zero_stale_data) {
+			unsigned int	size = sizeof(xfs_dev_t);
+			memset(XFS_DFORK_DPTR(dip) + size, 0,
+					XFS_DFORK_DSIZE(dip, mp) - size);
+		}
+		return 1;
+	}
+}
+
 /*
  * when we process the inode, we may change the data in the data and/or
  * attribute fork if they are in short form and we are obfuscating names.
@@ -2321,7 +2340,15 @@ process_inode(
 		case S_IFREG:
 			success = process_inode_data(dip, TYP_DATA);
 			break;
-		default: ;
+		case S_IFIFO:
+		case S_IFCHR:
+		case S_IFBLK:
+		case S_IFSOCK:
+			success = process_dev_inode(dip);
+			need_new_crc = 1;
+			break;
+		default:
+			break;
 	}
 	nametable_clear();
 
-- 
2.14.5

  parent reply	other threads:[~2018-11-06  6:54 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-05 21:31 [PATCH v5 0/5] Try to squash metadump data leaks Stefan Ring
2018-11-05 21:31 ` [PATCH 1/5] xfs_metadump: Extend data zapping to XFS_DIR{2,3}_LEAFN_MAGIC blocks Stefan Ring
2018-12-20 22:20   ` Eric Sandeen
2018-11-05 21:31 ` [PATCH 2/5] xfs_metadump: Zap multi fsb blocks Stefan Ring
2019-01-03 17:55   ` Darrick J. Wong
2019-01-04 22:27     ` Stefan Ring
2019-01-04 23:11       ` Eric Sandeen
2018-11-05 21:31 ` [PATCH 3/5] xfs_metadump: Zap freeindex blocks in directory inodes Stefan Ring
2019-01-03 17:59   ` Darrick J. Wong
2018-11-05 21:31 ` [PATCH 4/5] xfs_metadump: Zap unused space in inode btrees Stefan Ring
2019-01-03 17:57   ` Darrick J. Wong
2018-11-05 21:31 ` Stefan Ring [this message]
2019-01-03 17:57   ` [PATCH 5/5] xfs_metadump: Zap dev inodes Darrick J. Wong
2018-12-06 17:04 ` [PATCH v5 0/5] Try to squash metadump data leaks Stefan Ring
2018-12-06 20:23   ` Eric Sandeen
2019-01-07 20:13 ` [PATCH v6 " Stefan Ring
2019-01-07 20:13   ` [PATCH 1/5] xfs_metadump: Extend data zapping to XFS_DIR{2,3}_LEAFN_MAGIC blocks Stefan Ring
2019-01-07 20:13   ` [PATCH 2/5] xfs_metadump: Zap multi fsb blocks Stefan Ring
2019-01-11 17:31     ` Eric Sandeen
2019-01-14 17:42       ` Stefan Ring
2019-01-14 17:46         ` Eric Sandeen
2019-01-07 20:13   ` [PATCH 3/5] xfs_metadump: Zap freeindex blocks in directory inodes Stefan Ring
2019-01-07 20:13   ` [PATCH 4/5] xfs_metadump: Zap unused space in inode btrees Stefan Ring
2019-01-07 20:13   ` [PATCH 5/5] xfs_metadump: Zap dev inodes Stefan Ring
  -- strict thread matches above, loose matches on Subject: below --
2018-10-26 20:19 [PATCH 0/5] v4 Try to squash metadump data leaks Stefan Ring
2018-10-26 20:19 ` [PATCH 5/5] xfs_metadump: Zap dev inodes Stefan Ring
2018-10-29 15:38   ` Eric Sandeen
2018-10-29 18:33     ` Stefan Ring
2018-10-29 18:37       ` Eric Sandeen
2018-10-29 18:45         ` Stefan Ring

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