bisecting fixing commit since c10b57a567e4333b9fdf60b5ec36de9859263ca2
building syzkaller on 365fba2440cee3aed74c774867a1f43e3e2f7aac
testing commit c10b57a567e4333b9fdf60b5ec36de9859263ca2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 84773dde1b90f1904b1dbbfacaedb49b1e123383438d93ebf7ebd9455d5a5380
all runs: crashed: possible deadlock in perf_event_read_value
testing current HEAD f96eb53cbd76415edfba99c2cfa88567a885a428
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a520b1a5aa81ddb7d09d4ade7cb8956ff016a4c0d6efcbd0cdfb442a7d3385af
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m50.321755118s (build: 23m38.015639622s, test: 6m26.505309881s)
the crash still happens on HEAD
commit msg: Linux 4.14.246
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1