2025/08/14 22:03:02 extracted 303751 symbol hashes for base and 303751 for patched 2025/08/14 22:03:02 adding modified_functions to focus areas: ["nvmet_execute_disc_identify"] 2025/08/14 22:03:02 adding directly modified files to focus areas: ["tools/testing/selftests/kvm/s390/cpumodel_subfuncs_test.c"] 2025/08/14 22:03:03 downloaded the corpus from https://storage.googleapis.com/syzkaller/corpus/ci-upstream-kasan-gce-root-corpus.db 2025/08/14 22:04:01 runner 3 connected 2025/08/14 22:04:01 runner 2 connected 2025/08/14 22:04:01 runner 1 connected 2025/08/14 22:04:01 runner 5 connected 2025/08/14 22:04:01 runner 1 connected 2025/08/14 22:04:01 runner 3 connected 2025/08/14 22:04:02 runner 7 connected 2025/08/14 22:04:02 runner 9 connected 2025/08/14 22:04:02 runner 8 connected 2025/08/14 22:04:02 runner 2 connected 2025/08/14 22:04:09 executor cover filter: 0 PCs 2025/08/14 22:04:09 initializing coverage information... 2025/08/14 22:04:09 runner 6 connected 2025/08/14 22:04:09 runner 0 connected 2025/08/14 22:04:11 machine check: disabled the following syscalls: openat$sev : failed to open /dev/sev: no such file or directory syz_kvm_setup_cpu$ppc64 : unsupported arch transitively disabled the following syscalls (missing resource [creating syscalls]): close$binfmt : fd_binfmt [openat$binfmt] close$fd_v4l2_buffer : fd_v4l2_buffer [ioctl$VIDIOC_QUERYBUF_DMABUF] close$ibv_device : fd_rdma [openat$uverbs0] ioctl$KVM_CAP_SGX_ATTRIBUTE : fd_sgx_provision [openat$sgx_provision] ioctl$KVM_SEV_CERT_EXPORT : fd_sev [openat$sev] ioctl$KVM_SEV_DBG_DECRYPT : fd_sev [openat$sev] ioctl$KVM_SEV_DBG_ENCRYPT : fd_sev [openat$sev] ioctl$KVM_SEV_ES_INIT : fd_sev [openat$sev] ioctl$KVM_SEV_GET_ATTESTATION_REPORT : fd_sev [openat$sev] ioctl$KVM_SEV_GUEST_STATUS : fd_sev [openat$sev] ioctl$KVM_SEV_INIT : fd_sev [openat$sev] ioctl$KVM_SEV_INIT2 : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_MEASURE : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_SECRET : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_START : sev_handle [ioctl$KVM_SEV_GUEST_STATUS ioctl$KVM_SEV_LAUNCH_START ioctl$KVM_SEV_RECEIVE_START] ioctl$KVM_SEV_LAUNCH_UPDATE_DATA : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_UPDATE_VMSA : fd_sev [openat$sev] ioctl$KVM_SEV_RECEIVE_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_RECEIVE_START : sev_handle [ioctl$KVM_SEV_GUEST_STATUS ioctl$KVM_SEV_LAUNCH_START ioctl$KVM_SEV_RECEIVE_START] ioctl$KVM_SEV_RECEIVE_UPDATE_DATA : fd_sev [openat$sev] ioctl$KVM_SEV_RECEIVE_UPDATE_VMSA : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_CANCEL : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_START : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_UPDATE_DATA : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_UPDATE_VMSA : fd_sev [openat$sev] ioctl$KVM_SEV_SNP_LAUNCH_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_SNP_LAUNCH_START : fd_sev [openat$sev] ioctl$KVM_SEV_SNP_LAUNCH_UPDATE : fd_sev [openat$sev] BinFmtMisc : enabled Comparisons : enabled Coverage : enabled DelayKcovMmap : enabled DevlinkPCI : PCI device 0000:00:10.0 is not available ExtraCoverage : enabled Fault : enabled KCSAN : write(/sys/kernel/debug/kcsan, on) failed KcovResetIoctl : kernel does not support ioctl(KCOV_RESET_TRACE) LRWPANEmulation : enabled Leak : failed to write(kmemleak, "scan=off") NetDevices : enabled NetInjection : enabled NicVF : PCI device 0000:00:11.0 is not available SandboxAndroid : setfilecon: setxattr failed. (errno 1: Operation not permitted). . process exited with status 67. SandboxNamespace : enabled SandboxNone : enabled SandboxSetuid : enabled Swap : enabled USBEmulation : enabled VhciInjection : enabled WifiEmulation : enabled syscalls : 165/8048 2025/08/14 22:04:11 base: machine check complete 2025/08/14 22:04:15 discovered 7699 source files, 338620 symbols 2025/08/14 22:04:15 coverage filter: nvmet_execute_disc_identify: [nvmet_execute_disc_identify] 2025/08/14 22:04:15 coverage filter: tools/testing/selftests/kvm/s390/cpumodel_subfuncs_test.c: [] 2025/08/14 22:04:15 area "symbols": 15 PCs in the cover filter 2025/08/14 22:04:15 area "files": 0 PCs in the cover filter 2025/08/14 22:04:15 area "": 0 PCs in the cover filter 2025/08/14 22:04:15 executor cover filter: 0 PCs 2025/08/14 22:04:17 machine check: disabled the following syscalls: openat$sev : failed to open /dev/sev: no such file or directory syz_kvm_setup_cpu$ppc64 : unsupported arch transitively disabled the following syscalls (missing resource [creating syscalls]): close$binfmt : fd_binfmt [openat$binfmt] close$fd_v4l2_buffer : fd_v4l2_buffer [ioctl$VIDIOC_QUERYBUF_DMABUF] close$ibv_device : fd_rdma [openat$uverbs0] ioctl$KVM_CAP_SGX_ATTRIBUTE : fd_sgx_provision [openat$sgx_provision] ioctl$KVM_SEV_CERT_EXPORT : fd_sev [openat$sev] ioctl$KVM_SEV_DBG_DECRYPT : fd_sev [openat$sev] ioctl$KVM_SEV_DBG_ENCRYPT : fd_sev [openat$sev] ioctl$KVM_SEV_ES_INIT : fd_sev [openat$sev] ioctl$KVM_SEV_GET_ATTESTATION_REPORT : fd_sev [openat$sev] ioctl$KVM_SEV_GUEST_STATUS : fd_sev [openat$sev] ioctl$KVM_SEV_INIT : fd_sev [openat$sev] ioctl$KVM_SEV_INIT2 : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_MEASURE : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_SECRET : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_START : sev_handle [ioctl$KVM_SEV_GUEST_STATUS ioctl$KVM_SEV_LAUNCH_START ioctl$KVM_SEV_RECEIVE_START] ioctl$KVM_SEV_LAUNCH_UPDATE_DATA : fd_sev [openat$sev] ioctl$KVM_SEV_LAUNCH_UPDATE_VMSA : fd_sev [openat$sev] ioctl$KVM_SEV_RECEIVE_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_RECEIVE_START : sev_handle [ioctl$KVM_SEV_GUEST_STATUS ioctl$KVM_SEV_LAUNCH_START ioctl$KVM_SEV_RECEIVE_START] ioctl$KVM_SEV_RECEIVE_UPDATE_DATA : fd_sev [openat$sev] ioctl$KVM_SEV_RECEIVE_UPDATE_VMSA : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_CANCEL : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_START : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_UPDATE_DATA : fd_sev [openat$sev] ioctl$KVM_SEV_SEND_UPDATE_VMSA : fd_sev [openat$sev] ioctl$KVM_SEV_SNP_LAUNCH_FINISH : fd_sev [openat$sev] ioctl$KVM_SEV_SNP_LAUNCH_START : fd_sev [openat$sev] ioctl$KVM_SEV_SNP_LAUNCH_UPDATE : fd_sev [openat$sev] BinFmtMisc : enabled Comparisons : enabled Coverage : enabled DelayKcovMmap : enabled DevlinkPCI : PCI device 0000:00:10.0 is not available ExtraCoverage : enabled Fault : enabled KCSAN : write(/sys/kernel/debug/kcsan, on) failed KcovResetIoctl : kernel does not support ioctl(KCOV_RESET_TRACE) LRWPANEmulation : enabled Leak : failed to write(kmemleak, "scan=off") NetDevices : enabled NetInjection : enabled NicVF : PCI device 0000:00:11.0 is not available SandboxAndroid : setfilecon: setxattr failed. (errno 1: Operation not permitted). . process exited with status 67. SandboxNamespace : enabled SandboxNone : enabled SandboxSetuid : enabled Swap : enabled USBEmulation : enabled VhciInjection : enabled WifiEmulation : enabled syscalls : 165/8048 2025/08/14 22:04:17 new: machine check complete 2025/08/14 22:04:21 new: adding 2157 seeds 2025/08/14 22:04:35 triaged 97.3% of the corpus 2025/08/14 22:04:35 starting bug reproductions 2025/08/14 22:04:35 starting bug reproductions (max 10 VMs, 7 repros) 2025/08/14 22:05:05 triaged 100.0% of the corpus 2025/08/14 22:08:05 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 0, "corpus": 700, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 0, "coverage": 9535, "distributor delayed": 453, "distributor undelayed": 453, "distributor violated": 0, "exec candidate": 2157, "exec collide": 3761, "exec fuzz": 7175, "exec gen": 393, "exec hints": 1105, "exec inject": 0, "exec minimize": 9333, "exec retries": 0, "exec seeds": 1997, "exec smash": 7961, "exec total [base]": 16268, "exec total [new]": 42209, "exec triage": 1920, "executor restarts": 48, "fault jobs": 0, "fuzzer jobs": 821, "fuzzing VMs [base]": 3, "fuzzing VMs [new]": 9, "hints jobs": 142, "max signal": 9867, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 5008, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 813, "no exec duration": 21005000000, "no exec requests": 22, "pending": 0, "prog exec time": 228, "reproducing": 0, "rpc recv": 781804828, "rpc sent": 58784832, "signal": 9129, "smash jobs": 672, "triage jobs": 7, "vm output": 195743, "vm restarts [base]": 3, "vm restarts [new]": 9 } 2025/08/14 22:13:05 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 11, "corpus": 962, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 8, "coverage": 12214, "distributor delayed": 578, "distributor undelayed": 578, "distributor violated": 0, "exec candidate": 2157, "exec collide": 8681, "exec fuzz": 16364, "exec gen": 851, "exec hints": 2917, "exec inject": 0, "exec minimize": 14004, "exec retries": 0, "exec seeds": 2856, "exec smash": 19864, "exec total [base]": 28754, "exec total [new]": 76739, "exec triage": 2639, "executor restarts": 48, "fault jobs": 0, "fuzzer jobs": 472, "fuzzing VMs [base]": 3, "fuzzing VMs [new]": 9, "hints jobs": 96, "max signal": 12663, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 7356, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1131, "no exec duration": 21005000000, "no exec requests": 22, "pending": 0, "prog exec time": 306, "reproducing": 0, "rpc recv": 1104053220, "rpc sent": 142047648, "signal": 11723, "smash jobs": 364, "triage jobs": 12, "vm output": 335000, "vm restarts [base]": 3, "vm restarts [new]": 9 } 2025/08/14 22:13:11 base: boot error: can't ssh into the instance 2025/08/14 22:13:11 new: boot error: can't ssh into the instance 2025/08/14 22:14:08 runner 0 connected 2025/08/14 22:14:09 runner 4 connected 2025/08/14 22:18:05 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 28, "corpus": 1141, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 18, "coverage": 12785, "distributor delayed": 681, "distributor undelayed": 681, "distributor violated": 0, "exec candidate": 2157, "exec collide": 14006, "exec fuzz": 26489, "exec gen": 1433, "exec hints": 6394, "exec inject": 0, "exec minimize": 17187, "exec retries": 0, "exec seeds": 3431, "exec smash": 28463, "exec total [base]": 41749, "exec total [new]": 109160, "exec triage": 3192, "executor restarts": 51, "fault jobs": 0, "fuzzer jobs": 28, "fuzzing VMs [base]": 4, "fuzzing VMs [new]": 10, "hints jobs": 8, "max signal": 13384, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 8809, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1361, "no exec duration": 21005000000, "no exec requests": 22, "pending": 0, "prog exec time": 273, "reproducing": 0, "rpc recv": 1435259152, "rpc sent": 226629384, "signal": 12278, "smash jobs": 12, "triage jobs": 8, "vm output": 553135, "vm restarts [base]": 4, "vm restarts [new]": 10 } 2025/08/14 22:23:05 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 44, "corpus": 1268, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 47, "coverage": 13137, "distributor delayed": 731, "distributor undelayed": 731, "distributor violated": 0, "exec candidate": 2157, "exec collide": 21203, "exec fuzz": 40502, "exec gen": 2149, "exec hints": 8402, "exec inject": 0, "exec minimize": 19536, "exec retries": 0, "exec seeds": 3818, "exec smash": 31671, "exec total [base]": 54612, "exec total [new]": 139399, "exec triage": 3550, "executor restarts": 51, "fault jobs": 0, "fuzzer jobs": 26, "fuzzing VMs [base]": 4, "fuzzing VMs [new]": 10, "hints jobs": 7, "max signal": 13738, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 9906, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1513, "no exec duration": 21005000000, "no exec requests": 22, "pending": 0, "prog exec time": 314, "reproducing": 0, "rpc recv": 1640370460, "rpc sent": 310987504, "signal": 12582, "smash jobs": 13, "triage jobs": 6, "vm output": 711216, "vm restarts [base]": 4, "vm restarts [new]": 10 } 2025/08/14 22:28:05 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 55, "corpus": 1355, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 65, "coverage": 13369, "distributor delayed": 769, "distributor undelayed": 769, "distributor violated": 0, "exec candidate": 2157, "exec collide": 28625, "exec fuzz": 54549, "exec gen": 2902, "exec hints": 9744, "exec inject": 0, "exec minimize": 21312, "exec retries": 0, "exec seeds": 4089, "exec smash": 34002, "exec total [base]": 66229, "exec total [new]": 167577, "exec triage": 3789, "executor restarts": 51, "fault jobs": 0, "fuzzer jobs": 11, "fuzzing VMs [base]": 4, "fuzzing VMs [new]": 10, "hints jobs": 4, "max signal": 14000, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 10683, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1613, "no exec duration": 21005000000, "no exec requests": 22, "pending": 0, "prog exec time": 348, "reproducing": 0, "rpc recv": 1823904828, "rpc sent": 398084176, "signal": 12787, "smash jobs": 4, "triage jobs": 3, "vm output": 958324, "vm restarts [base]": 4, "vm restarts [new]": 10 } 2025/08/14 22:33:05 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 60, "corpus": 1420, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 91, "coverage": 13537, "distributor delayed": 813, "distributor undelayed": 813, "distributor violated": 0, "exec candidate": 2157, "exec collide": 36286, "exec fuzz": 69112, "exec gen": 3647, "exec hints": 11117, "exec inject": 0, "exec minimize": 22511, "exec retries": 0, "exec seeds": 4284, "exec smash": 35660, "exec total [base]": 77737, "exec total [new]": 195188, "exec triage": 4007, "executor restarts": 51, "fault jobs": 0, "fuzzer jobs": 12, "fuzzing VMs [base]": 4, "fuzzing VMs [new]": 10, "hints jobs": 3, "max signal": 14231, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 11242, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1701, "no exec duration": 21005000000, "no exec requests": 22, "pending": 0, "prog exec time": 331, "reproducing": 0, "rpc recv": 1951096052, "rpc sent": 484021304, "signal": 12947, "smash jobs": 3, "triage jobs": 6, "vm output": 1188086, "vm restarts [base]": 4, "vm restarts [new]": 10 } 2025/08/14 22:35:05 fuzzer has not reached the modified code in 30m0s, aborting 2025/08/14 22:35:05 syz-diff (base): kernel context loop terminated 2025/08/14 22:35:05 syz-diff (new): kernel context loop terminated 2025/08/14 22:35:05 diff fuzzing terminated 2025/08/14 22:35:05 bug reporting terminated 2025/08/14 22:35:05 status reporting terminated 2025/08/14 22:35:05 fuzzing is finished 2025/08/14 22:35:05 status at the end: Title On-Base On-Patched