bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 1b88c6d5c8477f1d4fb3b389443b200acc32e9a8
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67 with gcc (GCC) 8.4.1 20210217
kernel signature: 2cc2a4dacf8c02644b437f194271ce4ae67cff4e750d880c518372afd67907f7
run #0: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #1: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #2: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #3: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #4: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #5: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #6: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #7: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #8: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #9: crashed: KASAN: slab-out-of-bounds Read in ntfs_are_names_equal
run #10: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #11: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #12: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #13: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #14: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #15: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #16: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #17: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #18: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #19: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
testing current HEAD cfb41ef9deb1e6572ac218ddfcec9567e5d1c101
testing commit cfb41ef9deb1e6572ac218ddfcec9567e5d1c101 with gcc (GCC) 8.4.1 20210217
kernel signature: b38eec6c4e77fcad0e0b074509891cfe640b5ac223503bc71743e90e71a4e688
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m3.48376626s (build: 22m10.838217385s, test: 6m22.12207207s)
the crash still happens on HEAD
commit msg: Linux 4.14.237
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f 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: 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
Bluetooth: hci0 command 0x0419 tx timeout