bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on 79264ae39c1ef4b4875ab67d6f0c8c3e75aa6a34
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207 with gcc (GCC) 8.4.1 20210217
kernel signature: 6250056d2625f3b54c04f04f892effe47efcc712fe184c7f4f60bee72f288229
run #0: crashed: WARNING in corrupted
run #1: crashed: WARNING in corrupted
run #2: crashed: WARNING in corrupted
run #3: crashed: WARNING in corrupted
run #4: crashed: WARNING in process_one_work
run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #6: crashed: WARNING in corrupted
run #7: crashed: WARNING in corrupted
run #8: crashed: WARNING in corrupted
run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet
run #10: crashed: WARNING in corrupted
run #11: crashed: WARNING in corrupted
run #12: crashed: WARNING in process_one_work
run #13: crashed: WARNING in corrupted
run #14: crashed: WARNING in corrupted
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 313e82bbefb3d1d926858b58092f5d50f41d924d
testing commit 313e82bbefb3d1d926858b58092f5d50f41d924d with gcc (GCC) 8.4.1 20210217
kernel signature: 7340198353c18610f50d805e7b3fdb3717bec7b1668434638017d0bce64cc38c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m2.317187146s (build: 14m29.300058066s, test: 15m5.186051227s)
the crash still happens on HEAD
commit msg: Linux 4.14.238
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout