bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 5abc3f1ab298244473b613c289f1536e366fcf04
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 55480c56bd9dbac6fb2f29b4723f641fc412c47b486bf321fff3b09dea73bf51
run #0: crashed: KASAN: use-after-free Read in diFree
run #1: crashed: KASAN: use-after-free Read in diFree
run #2: crashed: KASAN: use-after-free Read in diFree
run #3: crashed: general protection fault in diFree
run #4: crashed: general protection fault in diFree
run #5: crashed: KASAN: use-after-free Read in diFree
run #6: crashed: KASAN: use-after-free Read in diFree
run #7: crashed: general protection fault in diFree
run #8: crashed: KASAN: use-after-free Read in diFree
run #9: crashed: general protection fault in diFree
run #10: crashed: general protection fault in diFree
run #11: crashed: KASAN: use-after-free Read in diFree
run #12: crashed: general protection fault in diFree
run #13: crashed: general protection fault in diFree
run #14: crashed: general protection fault in diFree
run #15: crashed: KASAN: use-after-free Read in diFree
run #16: crashed: KASAN: use-after-free Read in diFree
run #17: crashed: KASAN: use-after-free Read in diFree
run #18: crashed: general protection fault in diFree
run #19: crashed: KASAN: use-after-free Read in diFree
testing current HEAD 35c4ba160ab6133e548468bd0bd1109990dc7736
testing commit 35c4ba160ab6133e548468bd0bd1109990dc7736
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bac7fbce7e5b96f09737b110d11ae6d9280eb8d087082f28996e050f84e892b3
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m40.270637823s (build: 19m51.01308641s, test: 6m24.797947084s)
the crash still happens on HEAD
commit msg: Linux 4.14.245
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout