bisecting fixing commit since 893af1c79e42e53af0da22165b46eea135af0613
building syzkaller on 8620c2c2581732b54045bd75ae1220982fbb650f
testing commit 893af1c79e42e53af0da22165b46eea135af0613 with gcc (GCC) 8.1.0
kernel signature: 9c4b779b63e4809a3d0c563d6e2e4dfd8e02699b8d82d4f063b75479b9f567ce
all runs: crashed: no output from test machine
testing current HEAD 14cfdbd39e316efd91ae6e403ef8211f0b022603
testing commit 14cfdbd39e316efd91ae6e403ef8211f0b022603 with gcc (GCC) 8.1.0
kernel signature: 5cca6e2397f33aa9b31c5642a0d692e3b0886eb2d1f585350ccdd9d9bfd33748
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: 37m36.180302147s (build: 17m37.348018524s, test: 18m39.857765135s)
the crash still happens on HEAD
commit msg: Linux 4.19.112
crash: no output from test machine