bisecting fixing commit since 2d19be4653f5e74ed95560b69f94eb6791d49af3
building syzkaller on 06ed56cd22e24a55c40d152880b66b108834c8f2
testing commit 2d19be4653f5e74ed95560b69f94eb6791d49af3
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 75540ceacd77434f0e3e087381325f46efbd7b0706e21a325b1ba0557426b1b4
all runs: crashed: SYZFAIL: negative running
testing current HEAD 53bd76690e27f37c9df221a651a52cea04214da9
testing commit 53bd76690e27f37c9df221a651a52cea04214da9
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 94da8e89a4a57ed057f0b9b3a6940e3946d1aa54ba2467a2c1035983f2c0560d
all runs: crashed: SYZFAIL: negative running
revisions tested: 2, total time: 29m24.193399078s (build: 22m12.447192149s, test: 6m37.145642947s)
the crash still happens on HEAD
commit msg: Linux 4.19.200
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
2021/08/02 06:33:25 executed programs: 6
2021/08/02 06:33:25 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
2021/08/02 06:33:26 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
2021/08/02 06:33:27 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
2021/08/02 06:33:27 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
2021/08/02 06:33:27 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