bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae building syzkaller on c2c1d1dd603b7d66d283253ffbd61b8692712bd2 testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 57d8731ce262921f582190df629f29d97f9fdce74c6320efc3cc96d82941bc8f run #0: crashed: BUG: unable to handle kernel paging request in cfb_imageblit run #1: crashed: BUG: unable to handle kernel paging request in cfb_imageblit run #2: crashed: BUG: unable to handle kernel paging request in cfb_imageblit run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor1041333697" "root@10.128.15.193:./syz-executor1041333697"]: exit status 1 ssh: connect to host 10.128.15.193 port 22: Connection timed out lost connection run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK reproducer seems to be flaky testing current HEAD e853993d29aa42ac4b3c2912db975a0a66d7a5b0 testing commit e853993d29aa42ac4b3c2912db975a0a66d7a5b0 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 39774e9da2a07875e801191140b92fa72e89314093c3345a4458f1798124a1b7 failed: failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci2-linux-4-14-bisect-job-bisect-job-image.tar.gz' ForceSendFields:[] NullFields:[]}. Reproducer flagged being flaky revisions tested: 2, total time: 31m1.356315811s (build: 17m47.594557587s, test: 12m43.314418622s) bisection is inconclusive, the first good commit could be any of: 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae e853993d29aa42ac4b3c2912db975a0a66d7a5b0