bisecting fixing commit since 893af1c79e42e53af0da22165b46eea135af0613
building syzkaller on 8620c2c2581732b54045bd75ae1220982fbb650f
testing commit 893af1c79e42e53af0da22165b46eea135af0613 with gcc (GCC) 8.1.0
kernel signature: 674076fff8700b9d33d26806ab224db08e82678e59fecf861304d2de29c26cdd
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 0c88e405c97ed1828443b67891e6d4bb6e56cd4e
testing commit 0c88e405c97ed1828443b67891e6d4bb6e56cd4e with gcc (GCC) 8.1.0
kernel signature: 31c41d7f74b8cfe162cca3f7b647ad5627b87af4701a75e35dbc7c07f7431198
all runs: crashed: no output from test machine
revisions tested: 2, total time: 41m40.720633243s (build: 24m24.965900467s, test: 16m19.914417877s)
the crash still happens on HEAD
commit msg: Linux 4.19.160
crash: no output from test machine