bisecting fixing commit since 87335852c5d9ec629f80bb2257b9a9945962b719
building syzkaller on e34b696c0d7c04dbc824dee8b5123969bbca19b7
testing commit 87335852c5d9ec629f80bb2257b9a9945962b719
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3fcbb98fa71dd76afc0989bc9460c888e00dac2816873aaef32850f5a21b551f
all runs: crashed: divide error in squashfs_readpage
testing current HEAD 964f3712e6a7447d9d3203f2be3f6c50e78ea179
testing commit 964f3712e6a7447d9d3203f2be3f6c50e78ea179
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 987d90beb2e9b6cff0a839124704408fb629ef422bf184743935063d1c0931c3
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m10.191582602s (build: 20m13.501877033s, test: 6m23.677414263s)
the crash still happens on HEAD
commit msg: Linux 4.14.240
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 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: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout