From: "Darrick J. Wong" <djwong@kernel.org>
To: tytso@mit.edu
Cc: linux-ext4@vger.kernel.org, linux-ext4@vger.kernel.org
Subject: [PATCH 12/12] fuse2fs: check free space when creating a symlink
Date: Mon, 15 Sep 2025 15:40:50 -0700 [thread overview]
Message-ID: <175797569835.245695.17963678318721637704.stgit@frogsfrogsfrogs> (raw)
In-Reply-To: <175797569564.245695.4628729304068635201.stgit@frogsfrogsfrogs>
From: Darrick J. Wong <djwong@kernel.org>
Make sure we have enough space to create the symlink and its remote
block.
Cc: <linux-ext4@vger.kernel.org> # v1.43
Fixes: 81cbf1ef4f5dab ("misc: add fuse2fs, a FUSE server for e2fsprogs")
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
---
misc/fuse2fs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c
index c09b2aa04c02fb..569ac402427767 100644
--- a/misc/fuse2fs.c
+++ b/misc/fuse2fs.c
@@ -1825,6 +1825,10 @@ static int op_symlink(const char *src, const char *dest)
*node_name = 0;
pthread_mutex_lock(&ff->bfl);
+ if (!fs_can_allocate(ff, 1)) {
+ ret = -ENOSPC;
+ goto out2;
+ }
err = ext2fs_namei(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, temp_path,
&parent);
*node_name = a;
prev parent reply other threads:[~2025-09-15 22:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 22:37 [PATCHSET 1/2] fuse2fs: round 5 bug fixes Darrick J. Wong
2025-09-15 22:37 ` [PATCH 01/12] libext2fs: use F_GETFL, not F_GETFD, in unixfd_open Darrick J. Wong
2025-09-15 22:38 ` [PATCH 02/12] libext2fs: don't look for O_EXCL in the F_GETFL output Darrick J. Wong
2025-09-15 22:38 ` [PATCH 03/12] fuse2fs: update manpage Darrick J. Wong
2025-09-15 22:38 ` [PATCH 04/12] fuse2fs: quiet down EXT2_ET_RO_FILSYS errors Darrick J. Wong
2025-09-15 22:39 ` [PATCH 05/12] fuse2fs: free global_fs after a failed ext2fs_close call Darrick J. Wong
2025-10-06 21:23 ` Darrick J. Wong
2025-09-15 22:39 ` [PATCH 06/12] fuse2fs: fix memory corruption when parsing mount options Darrick J. Wong
2025-10-10 15:30 ` Dave Dykstra
2025-09-15 22:39 ` [PATCH 07/12] fuse2fs: fix fssetxattr flags updates Darrick J. Wong
2025-09-15 22:39 ` [PATCH 08/12] fuse2fs: fix default acls propagating to non-dir children Darrick J. Wong
2025-09-15 22:40 ` [PATCH 09/12] fuse2fs: don't update atime when reading executable file content Darrick J. Wong
2025-09-15 22:40 ` [PATCH 10/12] fuse2fs: fix in_file_group missing the primary process gid Darrick J. Wong
2025-09-15 22:40 ` [PATCH 11/12] fuse2fs: work around EBUSY discard returns from dm-thinp Darrick J. Wong
2025-09-15 22:40 ` Darrick J. Wong [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=175797569835.245695.17963678318721637704.stgit@frogsfrogsfrogs \
--to=djwong@kernel.org \
--cc=linux-ext4@vger.kernel.org \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox