From 03d9c2dbc4e7356471751b25e41a429afff6a4ec Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 2 May 2022 16:48:19 +0530
Subject: [PATCH] Ignore undecodeable GIFs in MOBI files

---
 src/calibre/ebooks/mobi/reader/mobi6.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/ebooks/mobi/reader/mobi6.py b/src/calibre/ebooks/mobi/reader/mobi6.py
index 76c31881a4..0daab71749 100644
--- a/src/calibre/ebooks/mobi/reader/mobi6.py
+++ b/src/calibre/ebooks/mobi/reader/mobi6.py
@@ -915,6 +915,8 @@ class MobiReader:
                     imgfmt = 'png'
                 except AnimatedGIF:
                     pass
+                except OSError:
+                    continue
             path = os.path.join(output_dir, '%05d.%s' % (image_index, imgfmt))
             image_name_map[image_index] = os.path.basename(path)
             if imgfmt == 'png':