bisecting fixing commit since 27ce4f2a6817e38ca74c643d47a96359f6cc0c1c
building syzkaller on 1bf9a662c66aa432ff2fe3bf2562578cef626c09
testing commit 27ce4f2a6817e38ca74c643d47a96359f6cc0c1c
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 096d9baf092d56d25591c1f398b112c4d26801a77ac4b08727ca7b95c80131d3
run #0: crashed: KASAN: use-after-free Read in lbmIODone
run #1: crashed: KASAN: use-after-free Read in lbmIODone
run #2: crashed: KASAN: use-after-free Read in lbmIODone
run #3: crashed: KASAN: use-after-free Read in lbmIODone
run #4: crashed: KASAN: use-after-free Read in lbmIODone
run #5: crashed: KASAN: use-after-free Read in lbmIODone
run #6: crashed: KASAN: use-after-free Read in lbmIODone
run #7: crashed: KASAN: use-after-free Read in lbmIODone
run #8: crashed: KASAN: use-after-free Read in lbmIODone
run #9: crashed: KASAN: use-after-free Read in lbmIODone
run #10: crashed: KASAN: use-after-free Read in lbmIODone
run #11: crashed: KASAN: use-after-free Read in lbmIODone
run #12: crashed: KASAN: use-after-free Read in lbmIODone
run #13: crashed: KASAN: use-after-free Read in lbmIODone
run #14: crashed: KASAN: use-after-free Read in lbmIODone
run #15: crashed: KASAN: use-after-free Read in lbmIODone
run #16: crashed: KASAN: use-after-free Read in lbmIODone
run #17: crashed: KASAN: use-after-free Read in lbmIODone
run #18: crashed: KASAN: use-after-free Read in lbmIODone
run #19: OK
testing current HEAD cd529693461026636f76d0395a42cb2439bbd368
testing commit cd529693461026636f76d0395a42cb2439bbd368
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 21e7b1a20c0a042bf1c9613430d67ddc327638bf19e562827b3e481a22b91c61
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m26.736159281s (build: 17m59.340221105s, test: 12m5.076501221s)
the crash still happens on HEAD
commit msg: Linux 4.14.253
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout