Commit 26f8dd2d authored by Dominique Martinet's avatar Dominique Martinet
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Revert "fs/9p: fix uaf in in v9fs_stat2inode_dotl" 



This reverts commit 11763a85.

This is a requirement to revert commit 724a0845 ("fs/9p: simplify
iget to remove unnecessary paths"), see that revert for details.

Fixes: 724a0845 ("fs/9p: simplify iget to remove unnecessary paths")
Reported-by: default avatarWill Deacon <will@kernel.org>
Link: https://lkml.kernel.org/r/20240923100508.GA32066@willie-the-truck


Cc: stable@vger.kernel.org # v6.9+
Message-ID: <20241024-revert_iget-v1-3-4cac63d25f72@codewreck.org>
Signed-off-by: default avatarDominique Martinet <asmadeus@codewreck.org>
parent fedd0621

fs/9p/vfs_inode_dotl.c

+1 −1
Original line number Diff line number Diff line
@@ -78,11 +78,11 @@ struct inode *v9fs_fid_iget_dotl(struct super_block *sb, struct p9_fid *fid) 


	retval = v9fs_init_inode(v9ses, inode, &fid->qid,

				 st->st_mode, new_decode_dev(st->st_rdev));

	v9fs_stat2inode_dotl(st, inode, 0);

	kfree(st);

	if (retval)

		goto error;



	v9fs_stat2inode_dotl(st, inode, 0);

	v9fs_set_netfs_context(inode);

	v9fs_cache_inode_get_cookie(inode);

	retval = v9fs_get_acl(inode, fid);