bisecting fixing commit since 397a88b2cc869c823bf40bc403d36a62afec1edd
building syzkaller on e4b4d570a88c0d2e0420c6e21fc20d90564636b1
testing commit 397a88b2cc869c823bf40bc403d36a62afec1edd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6cedd827cb9374796fdb56fb6a5e9957439beaf6c31dbf048db17cdc0314427e
run #0: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #1: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #2: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #3: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #4: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #5: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #6: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #7: OK
run #8: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #9: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #10: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #11: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #12: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #13: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD 74766a973637a02c32c04c1c6496e114e4855239
testing commit 74766a973637a02c32c04c1c6496e114e4855239
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b71183c201368159ad904af7bffcad2d778c12721d7478b32f21cbe59983259f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m41.431937689s (build: 16m26.339985155s, test: 14m13.953690512s)
the crash still happens on HEAD
commit msg: Linux 4.14.275
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b 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: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout