{"action":"opened","issue":{"url":"https://api.github.com/repos/eurecom-s3/news2e-qemu/issues/6","repository_url":"https://api.github.com/repos/eurecom-s3/news2e-qemu","labels_url":"https://api.github.com/repos/eurecom-s3/news2e-qemu/issues/6/labels{/name}","comments_url":"https://api.github.com/repos/eurecom-s3/news2e-qemu/issues/6/comments","events_url":"https://api.github.com/repos/eurecom-s3/news2e-qemu/issues/6/events","html_url":"https://github.com/eurecom-s3/news2e-qemu/issues/6","id":170165752,"number":6,"title":"longjmp from KLEE code to native","user":{"login":"zaddach","id":5988756,"avatar_url":"https://avatars.githubusercontent.com/u/5988756?v=3","gravatar_id":"","url":"https://api.github.com/users/zaddach","html_url":"https://github.com/zaddach","followers_url":"https://api.github.com/users/zaddach/followers","following_url":"https://api.github.com/users/zaddach/following{/other_user}","gists_url":"https://api.github.com/users/zaddach/gists{/gist_id}","starred_url":"https://api.github.com/users/zaddach/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zaddach/subscriptions","organizations_url":"https://api.github.com/users/zaddach/orgs","repos_url":"https://api.github.com/users/zaddach/repos","events_url":"https://api.github.com/users/zaddach/events{/privacy}","received_events_url":"https://api.github.com/users/zaddach/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-08-09T13:27:11Z","updated_at":"2016-08-09T13:27:11Z","closed_at":null,"body":"Some code (e.g., the softmmu, but also some native helpers) exit the CPU loop with _cpu_loop_exit_. Internally, this is implemented via a _setjmp_/_longjmp_ combination. If such a _longjmp_ occurs in LLVM IR code, KLEE with call s2e::S2EExternalDispatcher::runProtectedCall. The code there is currently stubbed and needs to be tested with an instruction that would cause a CPU loop exit (e.g., accessing a non-mapped page, or executing an invalid instruction)."}}
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