bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 1b88c6d5c8477f1d4fb3b389443b200acc32e9a8
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5af77f7a7eb007637ad61b6ddb560eed259f6eea91701a294afd74e8f5493afc
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: out-of-bounds Read in ntfs_are_names_equal
run #8: crashed: KASAN: use-after-free Read in ntfs_are_names_equal
run #9: crashed: KASAN: use-after-free 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 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7577a38453cab58001c1c6eeed0ab44d5d51188e027536ad36157b496e2196c8
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 24m49.411965881s (build: 17m53.08126664s, test: 6m25.379051616s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1