bisecting fixing commit since 459e3a21535ae3c7a9a123650e54f5c882b8fcbf building syzkaller on 7516d9fa9301d2dfa5beaf49d93563f8048694aa testing commit 459e3a21535ae3c7a9a123650e54f5c882b8fcbf with gcc (GCC) 8.1.0 run #0: crashed: no output from test machine run #1: crashed: no output from test machine run #2: crashed: no output from test machine 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: OK run #8: OK run #9: OK testing current HEAD 00aff6836241ae5654895dcea10e6d4fc5878ca6 testing commit 00aff6836241ae5654895dcea10e6d4fc5878ca6 with gcc (GCC) 8.1.0 run #0: crashed: WARNING: refcount bug in p9_req_put run #1: crashed: no output from test machine run #2: crashed: no output from test machine 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: 32m14.194971775s (build: 11m32.736084375s, test: 19m24.693139029s) the crash still happens on HEAD commit msg: Merge tag 'for-5.4-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux crash: no output from test machine