bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
building syzkaller on cb93dc6ac64225e09f44bac6c6cce1dae1b248b0
testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a68d4c1f48f34f5b59024daeb7fb82db1f18ed2de42e2b62378fa5a7e05b5755
all runs: crashed: BUG: unable to handle kernel paging request in vga16fb_fillrect
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ea53d67f8082ca3fc780a14093570207d53b6f0b7abd47c8136ecda5c5541f47
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m26.793037293s (build: 20m18.156541337s, test: 6m34.779803761s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1