bisecting fixing commit since 397a88b2cc869c823bf40bc403d36a62afec1edd
building syzkaller on e4b4d570a88c0d2e0420c6e21fc20d90564636b1
testing commit 397a88b2cc869c823bf40bc403d36a62afec1edd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5c95615a86a1aa47516a9cc64d53772f5aeb10ca92af7596cf95660bc28ed817
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: crashed: KASAN: use-after-free Read in rht_deferred_worker
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: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #15: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #16: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #17: crashed: KASAN: use-after-free Read in rht_deferred_worker
run #18: OK
run #19: OK
testing current HEAD e3a56aaade89bc89f33baec11b12538fc22536e2
testing commit e3a56aaade89bc89f33baec11b12538fc22536e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: aff417e009838f42e8d08bd4fa11ae774ce0e0a2452b8d32ecffa13761f41774
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m1.535502342s (build: 14m48.186092602s, test: 14m47.605918329s)
the crash still happens on HEAD
commit msg: Linux 4.14.277
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout