bisecting fixing commit since 45f092f9e9cb31486db546e39bfe7cc0b3f57099
building syzkaller on 78ded1969a3882c1a5dc9cf32ed2ffc23119a4ca
testing commit 45f092f9e9cb31486db546e39bfe7cc0b3f57099
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 073e41d915aed5df20c9e1cf3b1b00d3e6465d426b027c5a0cc3dd2b773d3c21
all runs: crashed: general protection fault in sysfs_do_create_link_sd
testing current HEAD 46914f96189be290174e378c6bf9ccadfdb9ca1e
testing commit 46914f96189be290174e378c6bf9ccadfdb9ca1e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 83af3d3343d06c32bee5cc412071af78669702f43fdbf2b9ccce86296cf5efea
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m54.843835956s (build: 21m12.36083591s, test: 6m49.40648109s)
the crash still happens on HEAD
commit msg: Linux 4.14.243
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1