2026/04/23 20:52:07 extracted 326681 text symbol hashes for base and 326679 for patched 2026/04/23 20:52:07 symbol "vfio_pci_core_enable.__UNIQUE_ID_ddebug_838" has different values in base vs patch 2026/04/23 20:52:07 binaries are different, continuing fuzzing 2026/04/23 20:52:07 adding modified_functions to focus areas: ["__vfio_pci_intx_mask" "__vfio_pci_memory_enabled" "vfio_af_config_write" "vfio_basic_config_read" "vfio_basic_config_write" "vfio_config_free" "vfio_config_init" "vfio_default_config_read" "vfio_default_config_write" "vfio_direct_config_read" "vfio_exp_config_write" "vfio_fill_vconfig_bytes" "vfio_intx_handler" "vfio_irq_ctx_alloc" "vfio_msi_config_read" "vfio_msi_config_write" "vfio_msi_disable" "vfio_msi_set_vector_signal" "vfio_pci_bar_rw" "vfio_pci_bus_notifier" "vfio_pci_config_rw_single" "vfio_pci_core_aer_err_detected" "vfio_pci_core_close_device" "vfio_pci_core_disable" "vfio_pci_core_do_io_rw" "vfio_pci_core_enable" "vfio_pci_core_finish_enable" "vfio_pci_core_init_dev" "vfio_pci_core_ioctl" "vfio_pci_core_ioctl_feature" "vfio_pci_core_ioread16" "vfio_pci_core_ioread32" "vfio_pci_core_ioread64" "vfio_pci_core_ioread8" "vfio_pci_core_iowrite16" "vfio_pci_core_iowrite32" "vfio_pci_core_iowrite64" "vfio_pci_core_iowrite8" "vfio_pci_core_match_token_uuid" "vfio_pci_core_mmap" "vfio_pci_core_register_dev_region" "vfio_pci_core_register_device" "vfio_pci_core_release_dev" "vfio_pci_core_request" "vfio_pci_core_runtime_resume" "vfio_pci_core_runtime_suspend" "vfio_pci_core_sriov_configure" "vfio_pci_core_unregister_device" "vfio_pci_dev_set_hot_reset" "vfio_pci_eventfd_replace_locked" "vfio_pci_get_irq_count" "vfio_pci_intx_mask" "vfio_pci_intx_unmask" "vfio_pci_intx_unmask_handler" "vfio_pci_ioctl_get_region_info" "vfio_pci_ioeventfd" "vfio_pci_ioeventfd_do_write" "vfio_pci_ioeventfd_handler" "vfio_pci_memory_lock_and_enable" "vfio_pci_memory_unlock_and_restore" "vfio_pci_mmap_huge_fault" "vfio_pci_probe" "vfio_pci_probe_power_state" "vfio_pci_rw" "vfio_pci_set_ctx_trigger_single" "vfio_pci_set_err_trigger" "vfio_pci_set_intx_mask" "vfio_pci_set_intx_trigger" "vfio_pci_set_intx_unmask" "vfio_pci_set_msi_trigger" "vfio_pci_set_power_state" "vfio_pci_set_req_trigger" "vfio_pci_vf_uninit" "vfio_pci_vmf_insert_pfn" "vfio_pci_zap_and_down_write_memory_lock" "vfio_pm_config_write" "vfio_send_intx_eventfd" "vfio_virt_config_read" "vfio_virt_config_write" "vfio_vpd_config_write"] 2026/04/23 20:52:07 adding directly modified files to focus areas: ["drivers/vfio/pci/nvgrace-gpu/main.c" "drivers/vfio/pci/vfio_pci_core.c" "drivers/vfio/pci/vfio_pci_dmabuf.c" "drivers/vfio/pci/vfio_pci_rdwr.c" "drivers/vfio/pci/virtio/legacy_io.c" "include/linux/vfio_pci_core.h"] 2026/04/23 20:52:07 downloading corpus #1: "https://storage.googleapis.com/syzkaller/corpus/ci-upstream-kasan-gce-root-corpus.db" 2026/04/23 20:53:13 runner 2 connected 2026/04/23 20:53:14 runner 1 connected 2026/04/23 20:53:14 runner 8 connected 2026/04/23 20:53:14 runner 0 connected 2026/04/23 20:53:15 runner 1 connected 2026/04/23 20:53:19 initializing coverage information... 2026/04/23 20:53:21 executor cover filter: 0 PCs 2026/04/23 20:53:21 runner 2 connected 2026/04/23 20:53:21 runner 4 connected 2026/04/23 20:53:21 runner 6 connected 2026/04/23 20:53:21 runner 5 connected 2026/04/23 20:53:21 runner 3 connected 2026/04/23 20:53:22 runner 7 connected 2026/04/23 20:53:22 runner 0 connected 2026/04/23 20:53:23 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") MemoryDump : disabled by user 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 : 172/8210 2026/04/23 20:53:23 base: machine check complete 2026/04/23 20:53:28 discovered 7699 source files, 337620 symbols 2026/04/23 20:53:29 coverage filter: ^__vfio_pci_intx_mask$: [__vfio_pci_intx_mask] 2026/04/23 20:53:29 coverage filter: ^__vfio_pci_memory_enabled$: [__vfio_pci_memory_enabled] 2026/04/23 20:53:29 coverage filter: ^vfio_af_config_write$: [vfio_af_config_write] 2026/04/23 20:53:29 coverage filter: ^vfio_basic_config_read$: [vfio_basic_config_read] 2026/04/23 20:53:29 coverage filter: ^vfio_basic_config_write$: [vfio_basic_config_write] 2026/04/23 20:53:29 coverage filter: ^vfio_config_free$: [vfio_config_free] 2026/04/23 20:53:29 coverage filter: ^vfio_config_init$: [vfio_config_init] 2026/04/23 20:53:29 coverage filter: ^vfio_default_config_read$: [vfio_default_config_read] 2026/04/23 20:53:29 coverage filter: ^vfio_default_config_write$: [vfio_default_config_write] 2026/04/23 20:53:29 coverage filter: ^vfio_direct_config_read$: [vfio_direct_config_read] 2026/04/23 20:53:29 coverage filter: ^vfio_exp_config_write$: [vfio_exp_config_write] 2026/04/23 20:53:29 coverage filter: ^vfio_fill_vconfig_bytes$: [vfio_fill_vconfig_bytes] 2026/04/23 20:53:29 coverage filter: ^vfio_intx_handler$: [vfio_intx_handler] 2026/04/23 20:53:29 coverage filter: ^vfio_irq_ctx_alloc$: [vfio_irq_ctx_alloc] 2026/04/23 20:53:29 coverage filter: ^vfio_msi_config_read$: [vfio_msi_config_read] 2026/04/23 20:53:29 coverage filter: ^vfio_msi_config_write$: [vfio_msi_config_write] 2026/04/23 20:53:29 coverage filter: ^vfio_msi_disable$: [vfio_msi_disable] 2026/04/23 20:53:29 coverage filter: ^vfio_msi_set_vector_signal$: [vfio_msi_set_vector_signal] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_bar_rw$: [vfio_pci_bar_rw] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_bus_notifier$: [vfio_pci_bus_notifier] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_config_rw_single$: [vfio_pci_config_rw_single] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_aer_err_detected$: [vfio_pci_core_aer_err_detected] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_close_device$: [vfio_pci_core_close_device] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_disable$: [vfio_pci_core_disable] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_do_io_rw$: [vfio_pci_core_do_io_rw] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_enable$: [vfio_pci_core_enable] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_finish_enable$: [vfio_pci_core_finish_enable] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_init_dev$: [vfio_pci_core_init_dev] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_ioctl$: [vfio_pci_core_ioctl] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_ioctl_feature$: [vfio_pci_core_ioctl_feature] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_ioread16$: [vfio_pci_core_ioread16] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_ioread32$: [vfio_pci_core_ioread32] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_ioread64$: [vfio_pci_core_ioread64] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_ioread8$: [vfio_pci_core_ioread8] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_iowrite16$: [vfio_pci_core_iowrite16] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_iowrite32$: [vfio_pci_core_iowrite32] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_iowrite64$: [vfio_pci_core_iowrite64] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_iowrite8$: [vfio_pci_core_iowrite8] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_match_token_uuid$: [vfio_pci_core_match_token_uuid] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_mmap$: [vfio_pci_core_mmap] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_register_dev_region$: [vfio_pci_core_register_dev_region] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_register_device$: [vfio_pci_core_register_device] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_release_dev$: [vfio_pci_core_release_dev] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_request$: [vfio_pci_core_request] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_runtime_resume$: [vfio_pci_core_runtime_resume] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_runtime_suspend$: [vfio_pci_core_runtime_suspend] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_sriov_configure$: [vfio_pci_core_sriov_configure] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_core_unregister_device$: [vfio_pci_core_unregister_device] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_dev_set_hot_reset$: [vfio_pci_dev_set_hot_reset] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_eventfd_replace_locked$: [vfio_pci_eventfd_replace_locked] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_get_irq_count$: [vfio_pci_get_irq_count] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_intx_mask$: [vfio_pci_intx_mask] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_intx_unmask$: [vfio_pci_intx_unmask] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_intx_unmask_handler$: [vfio_pci_intx_unmask_handler] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_ioctl_get_region_info$: [vfio_pci_ioctl_get_region_info] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_ioeventfd$: [vfio_pci_ioeventfd] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_ioeventfd_do_write$: [vfio_pci_ioeventfd_do_write] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_ioeventfd_handler$: [vfio_pci_ioeventfd_handler] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_memory_lock_and_enable$: [vfio_pci_memory_lock_and_enable] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_memory_unlock_and_restore$: [vfio_pci_memory_unlock_and_restore] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_mmap_huge_fault$: [vfio_pci_mmap_huge_fault] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_probe$: [vfio_pci_probe] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_probe_power_state$: [vfio_pci_probe_power_state] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_rw$: [vfio_pci_rw] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_ctx_trigger_single$: [vfio_pci_set_ctx_trigger_single] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_err_trigger$: [vfio_pci_set_err_trigger] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_intx_mask$: [vfio_pci_set_intx_mask] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_intx_trigger$: [vfio_pci_set_intx_trigger] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_intx_unmask$: [vfio_pci_set_intx_unmask] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_msi_trigger$: [vfio_pci_set_msi_trigger] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_power_state$: [vfio_pci_set_power_state] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_set_req_trigger$: [vfio_pci_set_req_trigger] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_vf_uninit$: [vfio_pci_vf_uninit] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_vmf_insert_pfn$: [vfio_pci_vmf_insert_pfn] 2026/04/23 20:53:29 coverage filter: ^vfio_pci_zap_and_down_write_memory_lock$: [vfio_pci_zap_and_down_write_memory_lock] 2026/04/23 20:53:29 coverage filter: ^vfio_pm_config_write$: [vfio_pm_config_write] 2026/04/23 20:53:29 coverage filter: ^vfio_send_intx_eventfd$: [vfio_send_intx_eventfd] 2026/04/23 20:53:29 coverage filter: ^vfio_virt_config_read$: [vfio_virt_config_read] 2026/04/23 20:53:29 coverage filter: ^vfio_virt_config_write$: [vfio_virt_config_write] 2026/04/23 20:53:29 coverage filter: ^vfio_vpd_config_write$: [vfio_vpd_config_write] 2026/04/23 20:53:29 coverage filter: drivers/vfio/pci/nvgrace-gpu/main.c: [] 2026/04/23 20:53:29 coverage filter: drivers/vfio/pci/vfio_pci_core.c: [drivers/vfio/pci/vfio_pci_core.c] 2026/04/23 20:53:29 coverage filter: drivers/vfio/pci/vfio_pci_dmabuf.c: [] 2026/04/23 20:53:29 coverage filter: drivers/vfio/pci/vfio_pci_rdwr.c: [drivers/vfio/pci/vfio_pci_rdwr.c] 2026/04/23 20:53:29 coverage filter: drivers/vfio/pci/virtio/legacy_io.c: [] 2026/04/23 20:53:29 coverage filter: include/linux/vfio_pci_core.h: [] 2026/04/23 20:53:29 area "symbols": 2100 PCs in the cover filter 2026/04/23 20:53:29 area "files": 1209 PCs in the cover filter 2026/04/23 20:53:29 area "": 0 PCs in the cover filter 2026/04/23 20:53:29 executor cover filter: 0 PCs 2026/04/23 20:53:30 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") MemoryDump : disabled by user 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 : 172/8210 2026/04/23 20:53:30 new: machine check complete 2026/04/23 20:53:33 new: adding 2449 seeds 2026/04/23 20:53:39 triaged 96.8% of the corpus 2026/04/23 20:53:39 starting bug reproductions 2026/04/23 20:53:39 starting bug reproductions (max 6 VMs, 4 repros) 2026/04/23 20:54:09 triaged 100.0% of the corpus 2026/04/23 20:57:09 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 3, "corpus": 752, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 2, "coverage": 11213, "distributor delayed": 455, "distributor undelayed": 455, "distributor violated": 0, "exec candidate": 2449, "exec collide": 3955, "exec fuzz": 7379, "exec gen": 378, "exec hints": 1063, "exec inject": 0, "exec minimize": 9676, "exec retries": 0, "exec seeds": 2058, "exec smash": 8323, "exec total [base]": 16031, "exec total [new]": 44630, "exec triage": 2054, "executor restarts [base]": 28, "executor restarts [new]": 48, "fault jobs": 0, "fuzzer jobs": 877, "fuzzing VMs [base]": 3, "fuzzing VMs [new]": 9, "hints jobs": 175, "max signal": 11671, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 5226, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 882, "no exec duration": 19050000000, "no exec requests": 25, "pending": 0, "prog exec time": 176, "reproducing": 0, "rpc recv": 1213776124, "rpc sent": 57870752, "signal": 10829, "smash jobs": 689, "triage jobs": 13, "vm output": 182280, "vm restarts [base]": 3, "vm restarts [new]": 9 } 2026/04/23 21:02:09 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 47, "corpus": 1052, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 141, "coverage": 12683, "distributor delayed": 634, "distributor undelayed": 634, "distributor violated": 0, "exec candidate": 2449, "exec collide": 8324, "exec fuzz": 15967, "exec gen": 831, "exec hints": 2793, "exec inject": 0, "exec minimize": 14740, "exec retries": 0, "exec seeds": 3019, "exec smash": 19038, "exec total [base]": 25211, "exec total [new]": 77372, "exec triage": 2913, "executor restarts [base]": 28, "executor restarts [new]": 48, "fault jobs": 0, "fuzzer jobs": 815, "fuzzing VMs [base]": 3, "fuzzing VMs [new]": 9, "hints jobs": 178, "max signal": 13255, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 7573, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1245, "no exec duration": 19050000000, "no exec requests": 25, "pending": 0, "prog exec time": 231, "reproducing": 0, "rpc recv": 2140232728, "rpc sent": 127561704, "signal": 12152, "smash jobs": 626, "triage jobs": 11, "vm output": 349557, "vm restarts [base]": 3, "vm restarts [new]": 9 } 2026/04/23 21:02:37 base crash: INFO: rcu detected stall in corrupted 2026/04/23 21:03:42 runner 0 connected 2026/04/23 21:06:40 base crash: no output from test machine 2026/04/23 21:07:09 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 72, "corpus": 1246, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 376, "coverage": 13238, "distributor delayed": 749, "distributor undelayed": 749, "distributor violated": 0, "exec candidate": 2449, "exec collide": 12355, "exec fuzz": 23341, "exec gen": 1200, "exec hints": 4748, "exec inject": 0, "exec minimize": 18279, "exec retries": 0, "exec seeds": 3682, "exec smash": 28193, "exec total [base]": 30252, "exec total [new]": 105007, "exec triage": 3464, "executor restarts [base]": 31, "executor restarts [new]": 48, "fault jobs": 0, "fuzzer jobs": 354, "fuzzing VMs [base]": 2, "fuzzing VMs [new]": 9, "hints jobs": 74, "max signal": 14267, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 9244, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1481, "no exec duration": 19050000000, "no exec requests": 25, "pending": 0, "prog exec time": 354, "reproducing": 0, "rpc recv": 2835081812, "rpc sent": 185609008, "signal": 12679, "smash jobs": 269, "triage jobs": 11, "vm output": 558129, "vm restarts [base]": 4, "vm restarts [new]": 9 } 2026/04/23 21:07:37 runner 2 connected 2026/04/23 21:12:09 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 103, "corpus": 1408, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 697, "coverage": 13811, "distributor delayed": 837, "distributor undelayed": 837, "distributor violated": 0, "exec candidate": 2449, "exec collide": 16553, "exec fuzz": 31262, "exec gen": 1620, "exec hints": 6876, "exec inject": 0, "exec minimize": 21319, "exec retries": 0, "exec seeds": 4209, "exec smash": 34951, "exec total [base]": 35320, "exec total [new]": 130429, "exec triage": 3893, "executor restarts [base]": 34, "executor restarts [new]": 48, "fault jobs": 0, "fuzzer jobs": 24, "fuzzing VMs [base]": 3, "fuzzing VMs [new]": 9, "hints jobs": 5, "max signal": 14850, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 10667, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1668, "no exec duration": 19050000000, "no exec requests": 25, "pending": 0, "prog exec time": 355, "reproducing": 0, "rpc recv": 3453556552, "rpc sent": 241712672, "signal": 13209, "smash jobs": 13, "triage jobs": 6, "vm output": 809711, "vm restarts [base]": 5, "vm restarts [new]": 9 } 2026/04/23 21:14:21 base crash: no output from test machine 2026/04/23 21:15:19 runner 0 connected 2026/04/23 21:16:02 base crash: INFO: rcu detected stall in corrupted 2026/04/23 21:17:00 runner 2 connected 2026/04/23 21:17:09 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 111, "corpus": 1472, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 998, "coverage": 13955, "distributor delayed": 884, "distributor undelayed": 884, "distributor violated": 0, "exec candidate": 2449, "exec collide": 22573, "exec fuzz": 42698, "exec gen": 2161, "exec hints": 8042, "exec inject": 0, "exec minimize": 22505, "exec retries": 0, "exec seeds": 4403, "exec smash": 36593, "exec total [base]": 36331, "exec total [new]": 152829, "exec triage": 4110, "executor restarts [base]": 40, "executor restarts [new]": 51, "fault jobs": 0, "fuzzer jobs": 19, "fuzzing VMs [base]": 3, "fuzzing VMs [new]": 9, "hints jobs": 8, "max signal": 15094, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 11210, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1757, "no exec duration": 19050000000, "no exec requests": 25, "pending": 0, "prog exec time": 391, "reproducing": 0, "rpc recv": 3705989536, "rpc sent": 287442992, "signal": 13344, "smash jobs": 7, "triage jobs": 4, "vm output": 1007465, "vm restarts [base]": 7, "vm restarts [new]": 9 } 2026/04/23 21:19:20 base crash: INFO: rcu detected stall in corrupted 2026/04/23 21:20:17 runner 1 connected 2026/04/23 21:21:40 base crash: INFO: rcu detected stall in corrupted 2026/04/23 21:22:09 STAT { "buffer too small": 0, "candidate triage jobs": 0, "candidates": 0, "comps overflows": 120, "corpus": 1522, "corpus [files]": 0, "corpus [symbols]": 0, "cover overflows": 1284, "coverage": 14050, "distributor delayed": 912, "distributor undelayed": 912, "distributor violated": 0, "exec candidate": 2449, "exec collide": 28481, "exec fuzz": 53898, "exec gen": 2726, "exec hints": 9260, "exec inject": 0, "exec minimize": 23514, "exec retries": 0, "exec seeds": 4560, "exec smash": 37941, "exec total [base]": 36664, "exec total [new]": 174400, "exec triage": 4276, "executor restarts [base]": 46, "executor restarts [new]": 58, "fault jobs": 0, "fuzzer jobs": 16, "fuzzing VMs [base]": 2, "fuzzing VMs [new]": 9, "hints jobs": 5, "max signal": 15265, "minimize: array": 0, "minimize: buffer": 0, "minimize: call": 11684, "minimize: filename": 0, "minimize: integer": 0, "minimize: pointer": 0, "minimize: props": 0, "minimize: resource": 0, "modules [base]": 1, "modules [new]": 1, "new inputs": 1826, "no exec duration": 19050000000, "no exec requests": 25, "pending": 0, "prog exec time": 327, "reproducing": 0, "rpc recv": 3854056416, "rpc sent": 330655232, "signal": 13438, "smash jobs": 5, "triage jobs": 6, "vm output": 1223901, "vm restarts [base]": 8, "vm restarts [new]": 9 } 2026/04/23 21:22:36 runner 0 connected 2026/04/23 21:23:00 base crash: INFO: rcu detected stall in corrupted 2026/04/23 21:23:56 runner 2 connected 2026/04/23 21:24:09 fuzzer has not reached the modified code in 30m0s, aborting 2026/04/23 21:24:09 repro loop terminated 2026/04/23 21:24:09 new: rpc server terminaled 2026/04/23 21:24:09 base: rpc server terminaled 2026/04/23 21:24:10 base: pool terminated 2026/04/23 21:24:10 base: kernel context loop terminated 2026/04/23 21:24:10 new: pool terminated 2026/04/23 21:24:10 new: kernel context loop terminated 2026/04/23 21:24:10 diff fuzzing terminated 2026/04/23 21:24:10 status reporting terminated 2026/04/23 21:24:10 bug reporting terminated 2026/04/23 21:24:10 fuzzing is finished 2026/04/23 21:24:10 status at the end: Title On-Base On-Patched Status INFO: rcu detected stall in corrupted 5 crashes completed no output from test machine 2 crashes completed