ci starts bisection 2026-08-01 11:01:30.879879732 +0000 UTC m=+14388.934107630 bisecting fixing commit since 5a66900afbd6b2a063eebad35294038a654de2b0 building syzkaller on fb92f11c4789d9647a75c09c983dbee5c8488ccf ensuring issue is reproducible on original commit 5a66900afbd6b2a063eebad35294038a654de2b0 testing commit 5a66900afbd6b2a063eebad35294038a654de2b0 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 8e5f2e4972cc234f89a86219c0e6b0be4c296d5e7c38a259432a66bf94cadf24 run #0: crashed: INFO: rcu detected stall in security_file_open run #1: crashed: INFO: rcu detected stall in corrupted run #2: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.23" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #3: OK run #4: OK run #5: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.130" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.17" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.90" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #8: OK run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.167" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #10: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.241" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.6" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #12: OK run #13: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.5" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #14: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.0.20" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #15: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.191" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #16: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.7" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #17: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.14" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 run #18: basic kernel testing failed: failed to copy binary to VM: scp failed: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/tmp/syz-executor2322687247" "root@10.128.1.70:ci-upstream-kasan-gce-selinux-root-bisect-job/syz-executor2322687247"] run #19: basic kernel testing failed: failed to copy binary to VM: failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.59" "mkdir" "-p" "ci-upstream-kasan-gce-selinux-root-bisect-job"]: exit status 255 representative crash: INFO: rcu detected stall in security_file_open, types: [HANG] unable to determine the verdict: 4 good runs (wanted 10), for bad wanted 10 in total, got 6 revisions tested: 1, total time: 38m51.622574154s (build: 12m34.631057469s, test: 12m2.530246848s) error: the crash wasn't reproduced on the original commit