bisecting fixing commit since 2d19be4653f5e74ed95560b69f94eb6791d49af3
building syzkaller on 06ed56cd22e24a55c40d152880b66b108834c8f2
testing commit 2d19be4653f5e74ed95560b69f94eb6791d49af3 with gcc (GCC) 8.4.1 20210217
kernel signature: 99af8f21a6bbb9eeb2a6dbc6df9811d823a8bafc2d04f18a2b8124f4a8c8f07f
all runs: crashed: SYZFAIL: negative running
testing current HEAD 9f84340f012ee60c12aacc03662bcdd67419a31a
testing commit 9f84340f012ee60c12aacc03662bcdd67419a31a with gcc (GCC) 8.4.1 20210217
kernel signature: 8c5ddb694ea243a9eb7765c5ad1b05a087424fce7125da10ce67cf42223ca4f3
all runs: crashed: SYZFAIL: negative running
revisions tested: 2, total time: 23m6.959131096s (build: 16m32.117337062s, test: 6m11.218806681s)
the crash still happens on HEAD
commit msg: Linux 4.19.196
crash: SYZFAIL: negative running
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/07/03 06:03:33 executed programs: 6
2021/07/03 06:03:34 result: hanged=false err=executor 4: exit status 67
running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/07/03 06:03:34 result: hanged=false err=executor 5: exit status 67
running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/07/03 06:03:34 result: hanged=false err=executor 2: exit status 67
running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/07/03 06:03:35 result: hanged=false err=executor 3: exit status 67
running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67
2021/07/03 06:03:36 result: hanged=false err=executor 1: exit status 67
running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67


running=-1 collide=0 completed=2 flag_threaded=1 flag_collide=1 current=0
th # 0: created=1 executing=0 colliding=0 ready=0 done=1 call_index=1 res=0 reserrno=14
th # 1: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 2: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 3: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 4: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 5: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 6: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 7: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 8: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th # 9: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #10: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #11: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #12: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #13: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #14: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
th #15: created=0 executing=0 colliding=0 ready=0 done=0 call_index=0 res=0 reserrno=0
SYZFAIL: negative running
 (errno 11: Resource temporarily unavailable)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67