Bisection is inconclusive: the bug happens on the oldest tested release.
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14e635fb200000 start commit: [unknown git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16e635fb200000 console output: https://syzkaller.appspot.com/x/log.txt?x=12e635fb200000 dashboard link: https://syzkaller.appspot.com/bug?extid=7078ae989d857fe17988 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1688239f200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1059214f200000 For information about bisection process see: https://goo.gl/tpsmEJ#bisection