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authorIngo Molnar <mingo@kernel.org>2021-04-20 11:13:58 +0300
committerIngo Molnar <mingo@kernel.org>2021-04-20 11:13:58 +0300
commitd0d252b8ca7a636640a7dca8606edf7c3bcfe0b8 (patch)
tree992b53f3c91669f3597e05997b61fa09db2155df /drivers/md/dm-ioctl.c
parent9406415f46f6127fd31bb66f0260f7a61a8d2786 (diff)
parentbf05bf16c76bb44ab5156223e1e58e26dfe30a88 (diff)
downloadlinux-d0d252b8ca7a636640a7dca8606edf7c3bcfe0b8.tar.xz
Merge tag 'v5.12-rc8' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/dm-ioctl.c')
-rw-r--r--drivers/md/dm-ioctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 5e306bba4375..1ca65b434f1f 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -529,7 +529,7 @@ static int list_devices(struct file *filp, struct dm_ioctl *param, size_t param_
* Grab our output buffer.
*/
nl = orig_nl = get_result_buffer(param, param_size, &len);
- if (len < needed) {
+ if (len < needed || len < sizeof(nl->dev)) {
param->flags |= DM_BUFFER_FULL_FLAG;
goto out;
}