bisecting fixing commit since 958e517f4e16952e9a2e2d58fd32d28ae4e23dda
building syzkaller on fcdb12ba70875c410749932abf39160d19c753d9
testing commit 958e517f4e16952e9a2e2d58fd32d28ae4e23dda
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b07297a5df4786f206a752d59c79ed8299e8190d71abfbac3f3c34f5c235d597
run #0: crashed: KASAN: use-after-free Read in tasklet_action
run #1: crashed: KASAN: use-after-free Read in tasklet_action
run #2: crashed: KASAN: use-after-free Read in tasklet_action
run #3: crashed: KASAN: use-after-free Read in tasklet_action
run #4: crashed: KASAN: use-after-free Read in tasklet_action
run #5: crashed: KASAN: use-after-free Read in tasklet_action
run #6: crashed: KASAN: use-after-free Read in tasklet_action
run #7: crashed: KASAN: use-after-free Read in tasklet_action
run #8: crashed: KASAN: use-after-free Read in tasklet_action
run #9: crashed: KASAN: use-after-free Read in tasklet_action
run #10: crashed: KASAN: use-after-free Read in tasklet_action
run #11: crashed: KASAN: use-after-free Read in tasklet_action
run #12: crashed: KASAN: use-after-free Read in tasklet_action
run #13: crashed: KASAN: use-after-free Read in tasklet_action
run #14: crashed: KASAN: use-after-free Read in tasklet_action
run #15: crashed: KASAN: use-after-free Read in bcm_can_tx
run #16: crashed: KASAN: use-after-free Read in tasklet_action
run #17: crashed: KASAN: use-after-free Read in tasklet_action
run #18: crashed: KASAN: use-after-free Read in tasklet_action
run #19: OK
testing current HEAD ed99bf0e81b558df39f7db2fa96d0228be4198c6
testing commit ed99bf0e81b558df39f7db2fa96d0228be4198c6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6a958b2cb0eab69261d144c0136b0481145964c28fe86f4b91ab9ad7bee5df0f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 33m56.831598197s (build: 18m50.82539158s, test: 14m42.229838308s)
the crash still happens on HEAD
commit msg: Linux 4.14.250
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout