bisecting fixing commit since 14b58326976de6ef3998eefec1dd7f8b38b97a75
building syzkaller on f721e4a097714a9054b9fe1aadf427afbbd2c157
testing commit 14b58326976de6ef3998eefec1dd7f8b38b97a75
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c2cc5bd9b5fc034b13d81925cbffe30ba71064593334c2362ae805d73ab043dc
all runs: crashed: KASAN: use-after-free Read in lock_sock_nested
testing current HEAD fa33f9094f36943ea32f7fbe323293b62e96151d
testing commit fa33f9094f36943ea32f7fbe323293b62e96151d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f55b9e1ba95a546983f89e9864b316d61424d85631aead22d14bf41430860422
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m6.658680826s (build: 16m36.854072118s, test: 8m55.000409318s)
the crash still happens on HEAD
commit msg: Linux 4.14.268
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1