René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"index: crash in index_remove_entry","articleBody":"I have received the following crash stack trace from someone else's machine. \r\n\r\n```\r\n#0. Crashed: com.apple.main-thread\r\n0  libsystem_kernel.dylib         0x7fff78a192c6 __pthread_kill + 10\r\n1  libsystem_pthread.dylib        0x7fff78ad4bf1 pthread_kill + 284\r\n2  libsystem_c.dylib              0x7fff789836a6 abort + 127\r\n3  libsystem_malloc.dylib         0x7fff78a9216b malloc_vreport + 545\r\n4  libsystem_malloc.dylib         0x7fff78a91f2c malloc_report + 151\r\n5  Git                            0x11034d058 index_remove_entry + 200\r\n6  Git                            0x11034ce09 git_index_clear + 89\r\n7  Git                            0x11034bd71 git_index_read + 401\r\n8  Git                            0x11033b95a git_diff_tree_to_workdir_with_index + 90\r\n```\r\n\r\nUnfortunately I was not able yet to reproduce it on my machine,\r\nI'll update this issue if I am able to.\r\n\r\nThe only thing I could see crashing in this method is if `index` would be a `NULL` value.","author":{"url":"https://github.com/eaigner","@type":"Person","name":"eaigner"},"datePublished":"2019-07-12T22:02:52.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/5164/libgit2/issues/5164"}