radare2/ia_fuzz: Crash in r_uleb128

Type ossfuzz
Reporter Google
Modified 2019-04-27T15:29:45


Project: https://github.com/radare/radare2.git

Detailed report: https://oss-fuzz.com/testcase?key=5651766995058688

Project: radare2 Fuzzer: afl_radare2_ia_fuzz Fuzz target binary: ia_fuzz Job Type: afl_asan_radare2 Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x61f10005167f Crash State: r_uleb128 parse_class dex_loadcode

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_radare2&range=201903260623:201903270120

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5651766995058688

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for instructions to reproduce this bug locally.

This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.

When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.

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