bisecting fixing commit since a5aa80588fcd5520ece36121c41b7d8e72245e33
building syzkaller on 4ea67ff893eedeac16a8406659783dcfa6bf8186
testing commit a5aa80588fcd5520ece36121c41b7d8e72245e33 with gcc (GCC) 8.1.0
kernel signature: 4bea5f5cacdfcad30d8a6ab85282c2f1e63a13e1b3d26249cf9f8bd8793ee5af
all runs: crashed: no output from test machine
testing current HEAD 10ad6cfd57360760116cde00a8ef756e121367a9
testing commit 10ad6cfd57360760116cde00a8ef756e121367a9 with gcc (GCC) 8.1.0
kernel signature: 5b1c2b3bd3e268d1b2284b66b3b833c36153460a5512202f297d6b19c6a53e42
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
revisions tested: 2, total time: 34m59.410815884s (build: 18m1.903562461s, test: 15m56.084037191s)
the crash still happens on HEAD
commit msg: Linux 4.19.148
crash: no output from test machine