bisecting fixing commit since 459e3a21535ae3c7a9a123650e54f5c882b8fcbf building syzkaller on 7516d9fa9301d2dfa5beaf49d93563f8048694aa testing commit 459e3a21535ae3c7a9a123650e54f5c882b8fcbf with gcc (GCC) 8.1.0 kernel signature: 3372aae0f11bce9703d0c7293dc5491e31f45a0869d218b65b4704492535a667 run #0: crashed: WARNING: refcount bug in p9_req_put run #1: crashed: WARNING: refcount bug in p9_req_put run #2: crashed: WARNING: refcount bug in p9_req_put run #3: crashed: WARNING: refcount bug in p9_req_put run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: OK testing current HEAD b85051e755b0e9d6dd8f17ef1da083851b83287d testing commit b85051e755b0e9d6dd8f17ef1da083851b83287d with gcc (GCC) 8.1.0 kernel signature: 54dedabe5a0f05ecb3750dcae30698f483c2736ef6bd024326978fbe892c3433 run #0: crashed: WARNING: refcount bug in p9_tag_lookup run #1: crashed: WARNING: refcount bug in p9_req_put run #2: crashed: WARNING: refcount bug in p9_tag_lookup run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: OK revisions tested: 2, total time: 31m15.310460717s (build: 11m24.512942555s, test: 19m13.771318233s) the crash still happens on HEAD commit msg: Merge tag 'fixes-for-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux crash: no output from test machine