This is a note to let you know that I've just added the patch titled
fs/ntfs3: Fix general protection fault in run_is_mapped_full
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fs-ntfs3-fix-general-protection-fault-in-run_is_mapp.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 80ca6990a5e6f2dbd4b407b0a3d18c3b67d518c0
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Aug 30 13:50:18 2024 +0300
fs/ntfs3: Fix general protection fault in run_is_mapped_full
[ Upstream commit a33fb016e49e37aafab18dc3c8314d6399cb4727 ]
Fixed deleating of a non-resident attribute in ntfs_create_inode()
rollback.
Reported-by: syzbot+9af29acd8f27fbce94bc@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index 20988ef3dc2ec..52b80fd159147 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1703,7 +1703,10 @@ struct inode *ntfs_create_inode(struct mnt_idmap *idmap, struct inode *dir,
attr = ni_find_attr(ni, NULL, NULL, ATTR_EA, NULL, 0, NULL, NULL);
if (attr && attr->non_res) {
/* Delete ATTR_EA, if non-resident. */
- attr_set_size(ni, ATTR_EA, NULL, 0, NULL, 0, NULL, false, NULL);
+ struct runs_tree run;
+ run_init(&run);
+ attr_set_size(ni, ATTR_EA, NULL, 0, &run, 0, NULL, false, NULL);
+ run_close(&run);
}
if (rp_inserted)
