bisecting fixing commit since 893af1c79e42e53af0da22165b46eea135af0613
building syzkaller on 8620c2c2581732b54045bd75ae1220982fbb650f
testing commit 893af1c79e42e53af0da22165b46eea135af0613 with gcc (GCC) 8.1.0
kernel signature: 819994f425a3b8bf0e81776420d01b8c937daf1bd91ff9310a7d098479406eb9
run #0: crashed: INFO: task hung in grab_super
run #1: crashed: no output from test machine
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 d18b78abc0c6e7d3119367c931c583e02d466495
testing commit d18b78abc0c6e7d3119367c931c583e02d466495 with gcc (GCC) 8.1.0
kernel signature: 49b371db2ef7de1c618e6d04f1ea8cfdc903e29c6fddda7d982b4abc051db65b
all runs: crashed: no output from test machine
revisions tested: 2, total time: 38m13.369200851s (build: 19m26.396800045s, test: 17m4.03010437s)
the crash still happens on HEAD
commit msg: Linux 4.19.141
crash: no output from test machine