bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on 93f844de48fff3f13271ec9e3fc2f5abf7692424
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: afdc0a42b13aeccc3c7d77660dcb2e73d65b23052802f529487b8d5c6288e0bf
all runs: crashed: SYZFAIL: mmap of output file failed
testing current HEAD c01d4d1b885d96a7c8c27d629abeb918ca897dbe
testing commit c01d4d1b885d96a7c8c27d629abeb918ca897dbe
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 25d65fc3f1de37843b2457e1c4430df7d0449d6e7ed3d67d3ae888560a49c39c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m9.736701398s (build: 18m6.634378353s, test: 8m38.583881385s)
the crash still happens on HEAD
commit msg: Linux 4.14.257
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: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci0 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: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout