From: Christoph Hellwig <hch@lst.de>
Date: Fri, 16 Feb 2024 17:02:30 +0000 (+0100)
Subject: xfs: use kvfree for buf in xfs_ioc_getbmap
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=49c379d3a72ab86aafeafebe6b43577acb1ef359;p=linux.git

xfs: use kvfree for buf in xfs_ioc_getbmap

Without this the kernel crashes in kfree for files with a sufficiently
large number of extents.

Fixes: d4c75a1b40cd ("xfs: convert remaining kmem_free() to kfree()")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
---

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 7eeebcb6b9250..7c35d76440972 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1506,7 +1506,7 @@ xfs_ioc_getbmap(
 
 	error = 0;
 out_free_buf:
-	kfree(buf);
+	kvfree(buf);
 	return error;
 }