bisecting fixing commit since a5aa80588fcd5520ece36121c41b7d8e72245e33
building syzkaller on 4ea67ff893eedeac16a8406659783dcfa6bf8186
testing commit a5aa80588fcd5520ece36121c41b7d8e72245e33 with gcc (GCC) 8.1.0
kernel signature: 3cab6332e9749bac985c440318b12c4c19bb45805d60e36c66e8802c8e0b7a34
run #0: crashed: INFO: task hung in grab_super
run #1: crashed: INFO: task hung in grab_super
run #2: crashed: INFO: task hung in grab_super
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 f6d5cb9e2c06f7d583dd9f4f7cca21d13d78c32a
testing commit f6d5cb9e2c06f7d583dd9f4f7cca21d13d78c32a with gcc (GCC) 8.1.0
kernel signature: cf43d107e48c17c71f395c376e5a8414f7f51a75ebe563f1e4b7c7706ee5e060
all runs: crashed: no output from test machine
revisions tested: 2, total time: 36m37.55835985s (build: 19m19.324982469s, test: 15m38.230700993s)
the crash still happens on HEAD
commit msg: Linux 4.19.142
crash: no output from test machine