bisecting fixing commit since 14b58326976de6ef3998eefec1dd7f8b38b97a75
building syzkaller on ff51e5229e0ee846d2fd687cb0dbca13de758c66
testing commit 14b58326976de6ef3998eefec1dd7f8b38b97a75
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3a3213c0a6207f1e0a485328a9a02d00587a41842e1475b03aea07a34bbbd121
all runs: crashed: BUG: corrupted list in l2cap_chan_put
testing current HEAD 9dfbac0e6b8600043de8dc85ed072f5f1342dc15
testing commit 9dfbac0e6b8600043de8dc85ed072f5f1342dc15
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e86d02151b07df8b4bbf6cd33d503cf501e87343759d72c2b53c30686da564f5
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m49.728351882s (build: 16m48.775416013s, test: 12m28.322965001s)
the crash still happens on HEAD
commit msg: Linux 4.14.258
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1