bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on 0fa352f2d664766b3115daecc56ab8608986864b
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6de0321fa50b4363d740c06fae79bff7547b0a5f29ad24d4ee0f282da71d8fbd
run #0: crashed: WARNING in tty_set_termios
run #1: crashed: WARNING in tty_set_termios
run #2: crashed: WARNING in tty_set_termios
run #3: crashed: WARNING in tty_set_termios
run #4: crashed: WARNING in tty_set_termios
run #5: crashed: WARNING in tty_set_termios
run #6: crashed: WARNING in tty_set_termios
run #7: crashed: WARNING in tty_set_termios
run #8: crashed: WARNING in tty_set_termios
run #9: crashed: WARNING in tty_set_termios
run #10: crashed: WARNING in tty_set_termios
run #11: crashed: WARNING in tty_set_termios
run #12: crashed: WARNING in tty_set_termios
run #13: crashed: WARNING in tty_set_termios
run #14: crashed: WARNING in tty_set_termios
run #15: crashed: WARNING in tty_set_termios
run #16: crashed: WARNING in corrupted
run #17: crashed: WARNING in tty_set_termios
run #18: crashed: WARNING in tty_set_termios
run #19: crashed: WARNING in tty_set_termios
testing current HEAD c01d4d1b885d96a7c8c27d629abeb918ca897dbe
testing commit c01d4d1b885d96a7c8c27d629abeb918ca897dbe
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 99072eee51a5879d44b5e8d95b51c0c4578bc6d038199d28245c59401066c928
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m5.875939093s (build: 20m8.479722485s, test: 6m26.397421925s)
the crash still happens on HEAD
commit msg: Linux 4.14.257
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout