bisecting fixing commit since 14b58326976de6ef3998eefec1dd7f8b38b97a75
building syzkaller on f721e4a097714a9054b9fe1aadf427afbbd2c157
testing commit 14b58326976de6ef3998eefec1dd7f8b38b97a75
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8152102bf58719c1b4e402790c150f30134183d9f337fa7edb8c58b24bd55225
all runs: crashed: KASAN: use-after-free Read in lock_sock_nested
testing current HEAD 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4caccd322d5312ad43c2fcf3f181224d3f97b9b6d32fd6c72a009e55cf31965d
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m7.447176535s (build: 18m40.580517468s, test: 7m48.259689627s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
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