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| author | William Henderson <william.henderson@nutanix.com> | 2023-08-18 13:24:49 +0000 |
|---|---|---|
| committer | John Levon <john.levon@nutanix.com> | 2023-09-15 12:59:39 +0100 |
| commit | 8fa69649eb3de2c4ccd6185fb1ae80d3f88247a8 (patch) | |
| tree | 26a79ca9f7174990fe8150eeb5099eeac2323f01 | |
| parent | 7f2e0e9ca01b42b4d6f323490213ca58bb955d50 (diff) | |
| download | libvfio-user-8fa69649eb3de2c4ccd6185fb1ae80d3f88247a8.zip libvfio-user-8fa69649eb3de2c4ccd6185fb1ae80d3f88247a8.tar.gz libvfio-user-8fa69649eb3de2c4ccd6185fb1ae80d3f88247a8.tar.bz2 | |
fix: not checking bitmap size valid
Signed-off-by: William Henderson <william.henderson@nutanix.com>
| -rw-r--r-- | lib/libvfio-user.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libvfio-user.c b/lib/libvfio-user.c index cd1b558..eb2b064 100644 --- a/lib/libvfio-user.c +++ b/lib/libvfio-user.c @@ -1014,6 +1014,9 @@ handle_dma_device_feature_get(vfu_ctx_t *vfu_ctx, vfu_msg_t *msg, (void *)req->data; ssize_t bitmap_size = get_bitmap_size(rep->length, rep->page_size); + if (bitmap_size < 0) { + return bitmap_size; + } msg->out.iov.iov_len = sizeof(struct vfio_user_device_feature) + sizeof(struct vfio_user_device_feature_dma_logging_report) |