bisecting cause commit starting from 15ac8fdb74403772780be1a8c4f7c1eff1040fc4
building syzkaller on 51a9082e064119316893e12187cab2843283ed4d
testing commit 15ac8fdb74403772780be1a8c4f7c1eff1040fc4 with gcc (GCC) 8.1.0
kernel signature: a7b140657b98ecf533a868ed61174dd64cd1d917d6d463dffbb1410e5df15ee3
all runs: OK
revisions tested: 1, total time: 14m15.861594973s (build: 4m24.347466978s, test: 9m26.95171599s)
error: the crash wasn't reproduced on the original commit