bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on 04201c0669446145fd9c347c5538da0ca13ff29b
testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae with gcc (GCC) 8.4.1 20210217
kernel signature: cf626676dab9b578d4b80ee3cade42eb0c409b8cda6cb544bd998611399b953e
run #0: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #2: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #3: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #4: crashed: WARNING in corrupted
run #5: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #6: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #7: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #8: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #9: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #10: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #11: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #12: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #13: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #14: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #15: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #16: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #17: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #18: crashed: WARNING: ODEBUG bug in slave_kobj_release
run #19: crashed: WARNING: ODEBUG bug in slave_kobj_release
testing current HEAD 313e82bbefb3d1d926858b58092f5d50f41d924d
testing commit 313e82bbefb3d1d926858b58092f5d50f41d924d with gcc (GCC) 8.4.1 20210217
kernel signature: b9a65c7635a6fb684765c41d8cb3a940d0df24aeef55599308300f453c4402b9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m7.71625113s (build: 15m12.84054673s, test: 12m30.325646479s)
the crash still happens on HEAD
commit msg: Linux 4.14.238
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout