bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 54289b0835634ca07a8117613c48b73e9e647d13
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ef5c7110295b6d499c7cf4088672721635424e068b34d3833de29ce0e6f778b4
all runs: crashed: KASAN: slab-out-of-bounds Read in find_first_zero_bit
testing current HEAD bfdef05c8da46b022172695aa493cff7ac667a4b
testing commit bfdef05c8da46b022172695aa493cff7ac667a4b
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b6bcd9549035ae632b6e4f4cfe2472a22fdd5922b3e303d7ed06b6ce51140b16
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m3.171234595s (build: 22m41.096550173s, test: 6m29.774002741s)
the crash still happens on HEAD
commit msg: Linux 4.14.261
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout