linux-ext4 - [PATCH 07/10] fuse2fs: recheck support after replaying journal

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: <174786678817.1385354.15500841625097960030.stgit@frogsfrogsfrogs>
Date: Wed, 21 May 2025 15:46:56 -0700
From: "Darrick J. Wong" <djwong@...nel.org>
To: tytso@....edu
Cc: linux-ext4@...r.kernel.org
Subject: [PATCH 07/10] fuse2fs: recheck support after replaying journal

From: Darrick J. Wong <djwong@...nel.org>

The journal could have contained a new primary superblock, so we need to
recheck feature support after recovering it.

Signed-off-by: "Darrick J. Wong" <djwong@...nel.org>
---
 misc/fuse2fs.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index 7c61c470723a88..2d4b9c8f51264e 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -800,6 +800,10 @@ _("Mounting read-only without recovering journal."));
 			}
 			ext2fs_clear_feature_journal_needs_recovery(fs->super);
 			ext2fs_mark_super_dirty(fs);
+
+			err = check_fs_supported(ff);
+			if (err)
+				return err;
 		}
 	}