bisecting fixing commit since 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a building syzkaller on cb93dc6ac64225e09f44bac6c6cce1dae1b248b0 testing commit 69b94dd6dcd14d9bfcba35a492f5e27c15cf4d0a compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 4733f7e59e3888ca15999f409ae138147a450f0b08239d0c7617e973c01fc0f5 all runs: crashed: BUG: unable to handle kernel paging request in vga16fb_fillrect testing current HEAD b8f3be299d5176348b15cc59d55b85faa3dece68 testing commit b8f3be299d5176348b15cc59d55b85faa3dece68 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 00dc56e206d9ec0dcf127fb990609439988a56df0ddb2d67fc508496d901b62a all runs: crashed: unregister_netdevice: waiting for DEV to become free revisions tested: 2, total time: 24m54.732802514s (build: 17m16.468981195s, test: 6m58.60472776s) the crash still happens on HEAD commit msg: Linux 4.14.282 crash: unregister_netdevice: waiting for DEV to become free IPVS: ftp: loaded support on port[0] = 21 can: request_module (can-proto-0) failed. 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 unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1