bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 062c9832a6cdb39bf38ad7a6dad51300a2e9a734
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 942b2b63357685f826b2c4f3e888d6ccc3d1e677b02af3c1cee2788a063be846
run #0: crashed: BUG: unable to handle kernel paging request in diFree
run #1: crashed: BUG: unable to handle kernel paging request in diFree
run #2: crashed: BUG: unable to handle kernel paging request in diFree
run #3: crashed: BUG: unable to handle kernel paging request in diFree
run #4: crashed: BUG: unable to handle kernel
run #5: crashed: BUG: unable to handle kernel paging request in diFree
run #6: crashed: BUG: unable to handle kernel paging request in diFree
run #7: crashed: BUG: unable to handle kernel paging request in diFree
run #8: crashed: BUG: unable to handle kernel paging request in diFree
run #9: crashed: BUG: unable to handle kernel paging request in diFree
run #10: crashed: BUG: unable to handle kernel paging request in diFree
run #11: crashed: BUG: unable to handle kernel paging request in diFree
run #12: crashed: BUG: unable to handle kernel paging request in diFree
run #13: crashed: BUG: unable to handle kernel paging request in diFree
run #14: crashed: BUG: unable to handle kernel paging request in diFree
run #15: crashed: BUG: unable to handle kernel paging request in diFree
run #16: crashed: BUG: unable to handle kernel paging request in diFree
run #17: crashed: BUG: unable to handle kernel paging request in diFree
run #18: crashed: BUG: unable to handle kernel paging request in diFree
run #19: crashed: BUG: unable to handle kernel paging request in diFree
testing current HEAD eb045674aab31aa55a4f9aec27cce36e3d946a21
testing commit eb045674aab31aa55a4f9aec27cce36e3d946a21
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 86592742a7d7ace577cd001f9402a9f49def4f9f6dcb3057af7b98f0fd7f25c5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m28.156585436s (build: 24m29.55151734s, test: 6m23.727275245s)
the crash still happens on HEAD
commit msg: Linux 4.14.272
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1