ci starts bisection 2025-06-30 13:15:43.856599921 +0000 UTC m=+201572.620658404 bisecting fixing commit since fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 building syzkaller on 9ac0fdc66500475f1914254ef369b32d51adbff9 ensuring issue is reproducible on original commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 testing commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: a01f33ff47a0daa898bd763aad5d32c0b16d9ab023fd460800c9fae85c13d718 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 8c21f141cd7b791d2ba30e4e9aeba120cd6e123952e303459eeecd4d7f40cf2b all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed kconfig minimization: base=4095 full=8242 leaves diff=2149 split chunks (needed=false): <2149> split chunk #0 of len 2149 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: aa5cf3ae5c8b1c184a5c4dcbb9a626029c00f95e7d54f61ff36ad0d4e8c2cf06 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 failed building fac04efc5c793dccbd07e2d59af9f90b7fc0dca4: ld.lld: error: undefined symbol: devm_drm_of_get_bridge testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 22ea4fd60eba14eb3c1b5e036f72d8f3c2649ebcd17d73c8a9a17083cce697dd all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 4cd178911fba6dcaaf21418c833de15461cff3a6f9f629f90f0824d940efb9a7 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: e781c90fd752242b452aac0d358517a132c3943901a73776619ba78c2932e372 all runs: OK false negative chance: 0.000 minimized to 859 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CHARGER_BQ24190 CMA COMMON_CLK CONTIG_ALLOC DAX DLM DRM DRM_BRIDGE DRM_CLIENT_SELECTION DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_CXUSB_ANALOG DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_BACKED_BY_FILE EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY GENERIC_PTDUMP GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GUEST_PERF_EVENTS GVE HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_EISA HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SIGMAMICRO HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZEROPLUS HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS 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IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IRQ_REMAP IRQ_TIME_ACCOUNTING KVM KVM_INTEL LAPB LCD_CLASS_DEVICE LIBNVDIMM MAC802154 MCORE2 MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_VIPERBOARD MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND SPI SSB STAGING TAP TARGET_CORE TRANSPARENT_HUGEPAGE TUN TYPEC TYPEC_MUX_PI3USB30532 USB_AMD5536UDC USB_ATM USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_NPCM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM 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USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_LJCA USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_FS VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_CMPXCHG64 X86_INTEL_USERCOPY X86_P6_NOP X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_USE_PPRO_CHECKSUM X86_X32_ABI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA Z3FOLD Z3FOLD_DEPRECATED ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_Z3FOLD_DEPRECATED] disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af testing commit d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: a8659ec49c52951f6c61f1e3f43da810612ae4497e165700e1d8c80e96978b51 all runs: OK false negative chance: 0.000 # git bisect start d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 Bisecting: 21360 revisions left to test after this (roughly 15 steps) [0c86b42439b6c11d758b3392a21117934fef00c1] Merge tag 'drm-next-2025-03-28' of https://gitlab.freedesktop.org/drm/kernel determine whether the revision contains the guilty commit revision fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 crashed and is reachable testing commit 0c86b42439b6c11d758b3392a21117934fef00c1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: da1bceb1ab0fbdb448120cba9a5a206c86fc50312a5da8767bf60ed2ca8c2045 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good 0c86b42439b6c11d758b3392a21117934fef00c1 Bisecting: 10810 revisions left to test after this (roughly 13 steps) [a61e26038143727d9b0f1bc01b0370f77f2ad7e4] Merge tag 'media/v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media determine whether the revision contains the guilty commit revision 0c86b42439b6c11d758b3392a21117934fef00c1 crashed and is reachable testing commit a61e26038143727d9b0f1bc01b0370f77f2ad7e4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 3fbb7061d7edb780757e276c0f3c92630adff42b0cebb2a941f10179d9c9e82c all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good a61e26038143727d9b0f1bc01b0370f77f2ad7e4 Bisecting: 5398 revisions left to test after this (roughly 12 steps) [f79749a8e42b3a6dcb980e87f3ef752962b9f094] Merge tag 'soc-defconfig-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision 0c86b42439b6c11d758b3392a21117934fef00c1 crashed and is reachable testing commit f79749a8e42b3a6dcb980e87f3ef752962b9f094 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: ec4a9d66a3a8f438eb31421280f3a02dd8541135b17897b0c1482f0a9ef61d38 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good f79749a8e42b3a6dcb980e87f3ef752962b9f094 Bisecting: 2712 revisions left to test after this (roughly 11 steps) [64980441d26995ea5599958740dbf6d791e81e27] Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf determine whether the revision contains the guilty commit revision fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 crashed and is reachable testing commit 64980441d26995ea5599958740dbf6d791e81e27 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 740f68f1fe2d19354c1c2d530519fa127e6164847568e7c0354c8d8cbd7a57c7 all runs: OK false negative chance: 0.000 # git bisect bad 64980441d26995ea5599958740dbf6d791e81e27 Bisecting: 1356 revisions left to test after this (roughly 10 steps) [00c010e130e58301db2ea0cec1eadc931e1cb8cf] Merge tag 'mm-stable-2025-05-31-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 0c86b42439b6c11d758b3392a21117934fef00c1 crashed and is reachable testing commit 00c010e130e58301db2ea0cec1eadc931e1cb8cf gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f80d950651963e2100afebad9659156c5ebca9d536d2cf7983efe17e8136afe9 all runs: OK false negative chance: 0.000 # git bisect bad 00c010e130e58301db2ea0cec1eadc931e1cb8cf Bisecting: 596 revisions left to test after this (roughly 9 steps) [12a75f2d9f73172161d096fc61cacc4989250604] Merge tag 'qcom-arm64-for-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/dt determine whether the revision contains the guilty commit revision fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 crashed and is reachable testing commit 12a75f2d9f73172161d096fc61cacc4989250604 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 3a5bd254ae0f8f16cd8091b8806d0e80c5824b2fa84c2b4a4692dd7f7a76652d all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good 12a75f2d9f73172161d096fc61cacc4989250604 Bisecting: 298 revisions left to test after this (roughly 8 steps) [4cb6c8af8591135ec000fbe4bb474139ceec595d] selftests/filesystems: Fix build of anon_inode_test determine whether the revision contains the guilty commit revision 12a75f2d9f73172161d096fc61cacc4989250604 crashed and is reachable testing commit 4cb6c8af8591135ec000fbe4bb474139ceec595d gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 7077711579b5d3db39d751ca9814138171337eca8664d8848addaad80a8091bc all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good 4cb6c8af8591135ec000fbe4bb474139ceec595d Bisecting: 149 revisions left to test after this (roughly 7 steps) [f7f68274e476c49e29bfb81daf4ad717fe9880c6] mm/vmalloc.c: change purge_ndoes as local static variable determine whether the revision contains the guilty commit revision 0c86b42439b6c11d758b3392a21117934fef00c1 crashed and is reachable testing commit f7f68274e476c49e29bfb81daf4ad717fe9880c6 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 78f4ca6d0384ff33d3807dc7d4582910af681daad2ef4bc56813c718d281036f all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good f7f68274e476c49e29bfb81daf4ad717fe9880c6 Bisecting: 74 revisions left to test after this (roughly 6 steps) [7d0f0f06153116bb737eef76d47406639e161613] mm: move folio_index to mm/swap.h and remove no longer needed helper determine whether the revision contains the guilty commit revision fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 crashed and is reachable testing commit 7d0f0f06153116bb737eef76d47406639e161613 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: e7c8ae82e48cfbad9b2bd849a31676e37bad3157d7107b626280dec77ef82ae8 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good 7d0f0f06153116bb737eef76d47406639e161613 Bisecting: 37 revisions left to test after this (roughly 5 steps) [698c0089cdf0b27d37f0b24824b682c23de5f72d] mm: convert do_set_pmd() to take a folio determine whether the revision contains the guilty commit revision 0c86b42439b6c11d758b3392a21117934fef00c1 crashed and is reachable testing commit 698c0089cdf0b27d37f0b24824b682c23de5f72d gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 01b579a7b6a39131ed83ee7f07e3f320de0e2baf03e618361978e245e29f0e67 all runs: OK false negative chance: 0.000 # git bisect bad 698c0089cdf0b27d37f0b24824b682c23de5f72d Bisecting: 18 revisions left to test after this (roughly 4 steps) [e17c1f15b0ccfa4802cedbd464d00ece50a10cf1] kmsan: enter the runtime around kmsan_internal_memmove_metadata() call determine whether the revision contains the guilty commit revision fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 crashed and is reachable testing commit e17c1f15b0ccfa4802cedbd464d00ece50a10cf1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 935fc028389a42f74c618dc9dd8eb4111d96b057db751986a5a02936aa57bd81 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good e17c1f15b0ccfa4802cedbd464d00ece50a10cf1 Bisecting: 9 revisions left to test after this (roughly 3 steps) [db44863a4d9df3604c4ff76507bb2056b6392e58] mm: introduce pfnmap_track() and pfnmap_untrack() and use them for memremap determine whether the revision contains the guilty commit revision f7f68274e476c49e29bfb81daf4ad717fe9880c6 crashed and is reachable testing commit db44863a4d9df3604c4ff76507bb2056b6392e58 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 05c3cc87bd60b1a11a118343300094584ebbcbb300c27d3fd959dbde81967184 all runs: crashed: WARNING in get_pat_info representative crash: WARNING in get_pat_info, types: [WARNING] # git bisect good db44863a4d9df3604c4ff76507bb2056b6392e58 Bisecting: 4 revisions left to test after this (roughly 2 steps) [81baf8450165ac57cca52f73b541a1056a2ca676] x86/mm/pat: remove MEMTYPE_*_MATCH determine whether the revision contains the guilty commit revision db44863a4d9df3604c4ff76507bb2056b6392e58 crashed and is reachable testing commit 81baf8450165ac57cca52f73b541a1056a2ca676 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: a7b96da2d3fd830ddb0b60cdee17a2ab9fa319dac940c4c9367d0bf471e65dff run #0: ignore: lost connection to test machine run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 81baf8450165ac57cca52f73b541a1056a2ca676 Bisecting: 2 revisions left to test after this (roughly 1 step) [7bd7d74ec01954fde9eb65b065eb55bcda4f86e2] x86/mm/pat: remove old pfnmap tracking interface determine whether the revision contains the guilty commit revision 0c86b42439b6c11d758b3392a21117934fef00c1 crashed and is reachable testing commit 7bd7d74ec01954fde9eb65b065eb55bcda4f86e2 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: a0249ea45b5065beea82eae4295073929105865c84deccb192997f3ba80be08a all runs: OK false negative chance: 0.000 # git bisect bad 7bd7d74ec01954fde9eb65b065eb55bcda4f86e2 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f8e97613fed25758ddf52159b87e1c66e619a23a] mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() determine whether the revision contains the guilty commit revision fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 crashed and is reachable testing commit f8e97613fed25758ddf52159b87e1c66e619a23a gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: c4d8c221b55ba1f586e03950cdec2828c18fea9a2f9587229d64a54d4c01735b all runs: OK false negative chance: 0.000 # git bisect bad f8e97613fed25758ddf52159b87e1c66e619a23a f8e97613fed25758ddf52159b87e1c66e619a23a is the first bad commit commit f8e97613fed25758ddf52159b87e1c66e619a23a Author: David Hildenbrand Date: Mon May 12 14:34:17 2025 +0200 mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() Let's use our new interface. In remap_pfn_range(), we'll now decide whether we have to track (full VMA covered) or only lookup the cachemode (partial VMA covered). Remember what we have to untrack by linking it from the VMA. When duplicating VMAs (e.g., splitting, mremap, fork), we'll handle it similar to anon VMA names, and use a kref to share the tracking. Once the last VMA un-refs our tracking data, we'll do the untracking, which simplifies things a lot and should sort our various issues we saw recently, for example, when partially unmapping/zapping a tracked VMA. This change implies that we'll keep tracking the original PFN range even after splitting + partially unmapping it: not too bad, because it was not working reliably before. The only thing that kind-of worked before was shrinking such a mapping using mremap(): we managed to adjust the reservation in a hacky way, now we won't adjust the reservation but leave it around until all involved VMAs are gone. If that ever turns out to be an issue, we could hook into VM splitting code and split the tracking; however, that adds complexity that might not be required, so we'll keep it simple for now. Link: https://lkml.kernel.org/r/20250512123424.637989-5-david@redhat.com Signed-off-by: David Hildenbrand Acked-by: Ingo Molnar [x86 bits] Reviewed-by: Lorenzo Stoakes Reviewed-by: Liam R. Howlett Cc: Andy Lutomirski Cc: Borislav Betkov Cc: Dave Airlie Cc: "H. Peter Anvin" Cc: Jani Nikula Cc: Jann Horn Cc: Jonas Lahtinen Cc: "Masami Hiramatsu (Google)" Cc: Mathieu Desnoyers Cc: Peter Xu Cc: Peter Zijlstra Cc: Rodrigo Vivi Cc: Steven Rostedt Cc: Thomas Gleinxer Cc: Tvrtko Ursulin Cc: Vlastimil Babka Signed-off-by: Andrew Morton include/linux/mm_inline.h | 2 ++ include/linux/mm_types.h | 11 +++++++ mm/memory.c | 82 ++++++++++++++++++++++++++++++++++++++--------- mm/mmap.c | 5 --- mm/mremap.c | 4 --- mm/vma_init.c | 50 +++++++++++++++++++++++++++++ 6 files changed, 129 insertions(+), 25 deletions(-) accumulated error probability: 0.00 culprit signature: c4d8c221b55ba1f586e03950cdec2828c18fea9a2f9587229d64a54d4c01735b parent signature: 05c3cc87bd60b1a11a118343300094584ebbcbb300c27d3fd959dbde81967184 revisions tested: 22, total time: 6h49m56.290044647s (build: 3h48m38.356301114s, test: 2h25m49.330584673s) first good commit: f8e97613fed25758ddf52159b87e1c66e619a23a mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() recipients (to): ["akpm@linux-foundation.org" "david@redhat.com" "liam.howlett@oracle.com" "lorenzo.stoakes@oracle.com"] recipients (cc): []