bisecting fixing commit since a844dc4c544291470aa69edbe2434b040794e269
building syzkaller on 1508f45368a309a3b1196a342b3d64ce7be4cc43
testing commit a844dc4c544291470aa69edbe2434b040794e269
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 93a0a9ac1b0ba9f54c676e1a03463bcb18681d6cadfe82bfe24b65756908aab1
all runs: crashed: KASAN: null-ptr-deref Read in llcp_sock_getname
testing current HEAD bfdef05c8da46b022172695aa493cff7ac667a4b
testing commit bfdef05c8da46b022172695aa493cff7ac667a4b
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 87332324a19cf231a2edabbdebf6328964e00a364d868cd989de85cd8ba381c6
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 26m17.750088436s (build: 18m53.503736514s, test: 6m39.015001561s)
the crash still happens on HEAD
commit msg: Linux 4.14.261
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1