bisecting fixing commit since a5aa80588fcd5520ece36121c41b7d8e72245e33
building syzkaller on 4ea67ff893eedeac16a8406659783dcfa6bf8186
testing commit a5aa80588fcd5520ece36121c41b7d8e72245e33 with gcc (GCC) 8.1.0
kernel signature: ff78815982066cfb797443e4137151a51996572dd76c7ca1f69998ef734eb049
run #0: crashed: INFO: task hung in grab_super
run #1: crashed: INFO: task hung in grab_super
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: crashed: no output from test machine
testing current HEAD fdc072324f3c66190a20f57490b4842a391d8233
testing commit fdc072324f3c66190a20f57490b4842a391d8233 with gcc (GCC) 8.1.0
kernel signature: 815e46c74ed9c76f4d6d8f628a7c62f5303371d04725012ae1b284e8603c13db
all runs: crashed: no output from test machine
revisions tested: 2, total time: 35m49.718000429s (build: 19m1.169714804s, test: 15m47.449289822s)
the crash still happens on HEAD
commit msg: Linux 4.19.120
crash: no output from test machine