bisecting fixing commit since 14b58326976de6ef3998eefec1dd7f8b38b97a75
building syzkaller on f721e4a097714a9054b9fe1aadf427afbbd2c157
testing commit 14b58326976de6ef3998eefec1dd7f8b38b97a75 with gcc (GCC) 8.4.1 20210217
kernel signature: 7b1e10bb47849c6983f725f542a4513d0397a3f265ba92b9ba9d78c398ffe0f2
all runs: crashed: KASAN: use-after-free Read in lock_sock_nested
testing current HEAD ad8397a84e1e425e3f8221638cee2bfa237d9b2c
testing commit ad8397a84e1e425e3f8221638cee2bfa237d9b2c with gcc (GCC) 8.4.1 20210217
kernel signature: 249553c18130f97be4f85085ffe9b685a46662073d00e97e899949c35cdb83f6
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m47.811712523s (build: 18m2.091888982s, test: 8m2.593633581s)
the crash still happens on HEAD
commit msg: Linux 4.14.234
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