bisecting fixing commit since 893af1c79e42e53af0da22165b46eea135af0613
building syzkaller on 8620c2c2581732b54045bd75ae1220982fbb650f
testing commit 893af1c79e42e53af0da22165b46eea135af0613 with gcc (GCC) 8.1.0
kernel signature: 8eb3f802e56eb58d8f07c40f6916c4d99fae96ad750325481543a376668ef1fc
all runs: crashed: no output from test machine
testing current HEAD 10ad6cfd57360760116cde00a8ef756e121367a9
testing commit 10ad6cfd57360760116cde00a8ef756e121367a9 with gcc (GCC) 8.1.0
kernel signature: 3ad6322db56184d50cedb4ff0728059a19293f8875211c0093e45fc4781f820c
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
revisions tested: 2, total time: 37m17.437265285s (build: 17m53.938240618s, test: 18m35.08741627s)
the crash still happens on HEAD
commit msg: Linux 4.19.148
crash: no output from test machine