bisecting fixing commit since a5aa80588fcd5520ece36121c41b7d8e72245e33
building syzkaller on 4ea67ff893eedeac16a8406659783dcfa6bf8186
testing commit a5aa80588fcd5520ece36121c41b7d8e72245e33 with gcc (GCC) 8.1.0
kernel signature: 864ee330b8612fffd47aa3ae1b811c4bfed9c98541444fc72c7aa61610ad81b8
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
testing current HEAD 32ee7492f104d82b01a44fc4b4ae17d5d2bb237b
testing commit 32ee7492f104d82b01a44fc4b4ae17d5d2bb237b with gcc (GCC) 8.1.0
kernel signature: ed28898a6687a6dd6d79e8766d79e8e007598cec85fbfc85658b75711417b612
run #0: crashed: INFO: task hung in grab_super
run #1: crashed: INFO: task hung in grab_super
run #2: crashed: INFO: task hung in grab_super
run #3: crashed: INFO: task hung in grab_super
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: 35m3.979746577s (build: 18m3.436971378s, test: 16m13.470072066s)
the crash still happens on HEAD
commit msg: Linux 4.19.101
crash: no output from test machine