ci starts bisection 2023-09-04 12:15:13.808336059 +0000 UTC m=+44.565538661 bisecting cause commit starting from db906f0ca6bb55b7237b880e06ec2fc95ab67e16 building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84 ensuring issue is reproducible on original commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f280e453b2b4066121fe5db69529b59f4aed380c0f185f9788f8ecfad8cf105 run #0: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000d2e640] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0098bc1e0] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000d2e820] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #3: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00129c0a0] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #4: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc000d2ebe0] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #5: infra problem: create image operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc0098bc500] Location: Message:Quota 'N2D_CPUS' exceeded. Limit: 300.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #6: crashed: general protection fault in serio_handle_event run #7: crashed: general protection fault in serio_handle_event run #8: crashed: general protection fault in serio_handle_event run #9: crashed: general protection fault in serio_handle_event run #10: crashed: general protection fault in serio_handle_event run #11: crashed: general protection fault in serio_handle_event run #12: crashed: general protection fault in serio_handle_event run #13: crashed: general protection fault in serio_handle_event run #14: crashed: general protection fault in serio_handle_event run #15: crashed: general protection fault in serio_handle_event run #16: crashed: general protection fault in serio_handle_event run #17: crashed: general protection fault in serio_handle_event run #18: crashed: general protection fault in serio_handle_event run #19: crashed: general protection fault in serio_handle_event representative crash: general protection fault in serio_handle_event, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3a55f5945e57b754372a52fe1427aeaf6f67f42d8434e2359aec7c43a72b4e2a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3883 full=7690 leaves diff=2019 split chunks (needed=false): <2019> split chunk #0 of len 2019 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 447c29288a3f0f8847382fafc109e7d357018075dd2da0515d8c50141f67be12 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b71d5294775af05506f6c840dd4272af6df58c7183bdc5880713269c7e32c9e4 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d120226d0fa779907b714eae9ebf5e76de18d75057aee415779bc76c63d965ad all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 47d86f72c4863231bc4840f1fe17951f4112903263400c4fa4ec343812fef96a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 336172299f7304db8da97676f42ad238743e71ce082473a39bccac6ed11be678 all runs: OK false negative chance: 0.000 minimized to 403 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB GPIOLIB HID_ZEROPLUS I2C_MUX IIO IOMMUFD IRQ_REMAP KVM KVM_INTEL LIBNVDIMM 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_VIPERBOARD PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 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_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 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_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_RNDIS_WLAN 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_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_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_ASYNC V4L2_FWNODE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_GROUP 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 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_CAMERA_SENSOR VIDEO_CMDLINE 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_NOMODESET 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_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 WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI XARRAY_MULTI 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 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed picked [%!d(string=v6.5) %!d(string=v6.4) %!d(string=v6.3) %!d(string=v6.1) %!d(string=v5.19) %!d(string=v5.17) %!d(string=v5.15) %!d(string=v5.13) %!d(string=v5.10) %!d(string=v5.7) %!d(string=v5.4) %!d(string=v5.1) %!d(string=v4.19)] out of %!d(MISSING) release tags testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bb31214bdea512d71c49b2ed0afb558615c25262b5a77e1cb258783656c29eca all runs: OK false negative chance: 0.000 # git bisect start db906f0ca6bb55b7237b880e06ec2fc95ab67e16 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 6253 revisions left to test after this (roughly 13 steps) [53ea7f624fb91074c2f9458832ed74975ee5d64c] Merge tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit 53ea7f624fb91074c2f9458832ed74975ee5d64c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2ac7893ad95436f06a6f74b75cbbb9645251d9540226b53b4e3fc8bad80286e3 all runs: OK false negative chance: 0.000 # git bisect good 53ea7f624fb91074c2f9458832ed74975ee5d64c Bisecting: 3091 revisions left to test after this (roughly 12 steps) [0e72db77672ff4758a31fb5259c754a7bb229751] Merge tag 'soc-dt-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 0e72db77672ff4758a31fb5259c754a7bb229751 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9bdec8714c3169fec2f13bc2ac8416338875ca35075e31b7fe0cf6cc55012555 all runs: OK false negative chance: 0.000 # git bisect good 0e72db77672ff4758a31fb5259c754a7bb229751 Bisecting: 1597 revisions left to test after this (roughly 11 steps) [e925992671907314b7db6793a28eb39b36bc21a4] Merge tag 'staging-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit e925992671907314b7db6793a28eb39b36bc21a4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a909ee3a729e2bdb2b875e8f1f2bd08682eacf34ab71b50f3e42da9e10c80379 all runs: OK false negative chance: 0.000 # git bisect good e925992671907314b7db6793a28eb39b36bc21a4 Bisecting: 711 revisions left to test after this (roughly 10 steps) [307d59039fb26212a84a9aa6a134a7d2bdea34ca] Merge tag 'media/v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit 307d59039fb26212a84a9aa6a134a7d2bdea34ca gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ec41ff6a4f02187a1ca3004b9a8a8574c5553138a260308f640522fc51a2477c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] # git bisect bad 307d59039fb26212a84a9aa6a134a7d2bdea34ca Bisecting: 364 revisions left to test after this (roughly 9 steps) [1c9f8dff62d85ce00b0e99f774a84bd783af7cac] Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc testing commit 1c9f8dff62d85ce00b0e99f774a84bd783af7cac gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 29994d50b56417f5c53806c832328c0e1c2a7231a9ee8962dc8edd641e236501 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] # git bisect bad 1c9f8dff62d85ce00b0e99f774a84bd783af7cac Bisecting: 235 revisions left to test after this (roughly 8 steps) [704e2c6107f1a5353a1038bac137dda0df2a6dd0] Merge tag 'icc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next testing commit 704e2c6107f1a5353a1038bac137dda0df2a6dd0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 218751e165eb079165bff81361f2c6ca96de4d0fa81a8332e43cb12dbb28d0f9 all runs: OK false negative chance: 0.000 # git bisect good 704e2c6107f1a5353a1038bac137dda0df2a6dd0 Bisecting: 117 revisions left to test after this (roughly 7 steps) [94b580e308c67922514af146a8793292d60a9b18] tty: can327: unify error paths in can327_ldisc_rx() testing commit 94b580e308c67922514af146a8793292d60a9b18 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2671234aa30e996c185665dcc1c1928bb603cf27dca6dcb67787cbcaaae1f1cb all runs: OK false negative chance: 0.000 # git bisect good 94b580e308c67922514af146a8793292d60a9b18 Bisecting: 58 revisions left to test after this (roughly 6 steps) [dabc54a45711fe77674a6c0348231e00e66bd567] serial: sc16is7xx: remove obsolete out_thread label testing commit dabc54a45711fe77674a6c0348231e00e66bd567 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fee99ad9e49b7945e0b86e1f721c7bcad33bae9e0ff7a7d0fd1dea5f41a73bfe all runs: OK false negative chance: 0.000 # git bisect good dabc54a45711fe77674a6c0348231e00e66bd567 Bisecting: 29 revisions left to test after this (roughly 5 steps) [4d0fe8c52bb3029d83e323c961221156ab98680b] kobject: Add sanity check for kset->kobj.ktype in kset_register() testing commit 4d0fe8c52bb3029d83e323c961221156ab98680b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ebdd93fa21a2ef05355c63201dc1d1b600bd28a835d73cd5615323148ef98f1a all runs: OK false negative chance: 0.000 # git bisect good 4d0fe8c52bb3029d83e323c961221156ab98680b Bisecting: 14 revisions left to test after this (roughly 4 steps) [819287f0f335cf74d6486eb7f3d465b9668bc9d8] tty: n_tty: use MASK() for masking out size bits testing commit 819287f0f335cf74d6486eb7f3d465b9668bc9d8 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb7623700d285dec870f169f7f56043a80898edc47b1bebd80f2bacaf1a95305 all runs: OK false negative chance: 0.000 # git bisect good 819287f0f335cf74d6486eb7f3d465b9668bc9d8 Bisecting: 7 revisions left to test after this (roughly 3 steps) [2aa91851ffa7cdfc0a63330d273115d38324b585] tty: n_tty: extract ECHO_OP processing to a separate function testing commit 2aa91851ffa7cdfc0a63330d273115d38324b585 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f766c530f19f1aaf2f4373b0487bd3dace7726cc2614a3cf66ad62699831b2d all runs: OK false negative chance: 0.000 # git bisect good 2aa91851ffa7cdfc0a63330d273115d38324b585 Bisecting: 4 revisions left to test after this (roughly 2 steps) [29c8ab79e91d35b93cfab87bf67a11516f7b2051] driver core: Call in reversed order in device_platform_notify_remove() testing commit 29c8ab79e91d35b93cfab87bf67a11516f7b2051 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e2e5b7a541ebd972e5cbf3981c905b5a20da41b9c3b4b6df4642e0ee4a7a639 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] # git bisect bad 29c8ab79e91d35b93cfab87bf67a11516f7b2051 Bisecting: 0 revisions left to test after this (roughly 1 step) [d21fdd07cea418c0d98c8a15fc95b8b8970801e7] driver core: Return proper error code when dev_set_name() fails testing commit d21fdd07cea418c0d98c8a15fc95b8b8970801e7 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 497e37f074782f010b72b3b0abe769c3def476d65ab31da43c0c0fde084f06e0 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event representative crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event, types: [UNKNOWN] # git bisect bad d21fdd07cea418c0d98c8a15fc95b8b8970801e7 Bisecting: 0 revisions left to test after this (roughly 0 steps) [1b28cb81dab7c1eedc6034206f4e8d644046ad31] kobject: Remove redundant checks for whether ktype is NULL testing commit 1b28cb81dab7c1eedc6034206f4e8d644046ad31 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f5b7279ef86c38c14c517f2ccd120b4092feb7f1604434f8600507a66520c2d0 all runs: OK false negative chance: 0.000 # git bisect good 1b28cb81dab7c1eedc6034206f4e8d644046ad31 d21fdd07cea418c0d98c8a15fc95b8b8970801e7 is the first bad commit commit d21fdd07cea418c0d98c8a15fc95b8b8970801e7 Author: Andy Shevchenko Date: Thu Aug 17 12:12:21 2023 +0300 driver core: Return proper error code when dev_set_name() fails Whe device_add() tries to assign a device name with help of dev_set_name() the error path explicitly uses -EINVAL, while the function may return something different. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230817091221.463721-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman drivers/base/core.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) accumulated error probability: 0.00 culprit signature: 497e37f074782f010b72b3b0abe769c3def476d65ab31da43c0c0fde084f06e0 parent signature: f5b7279ef86c38c14c517f2ccd120b4092feb7f1604434f8600507a66520c2d0 revisions tested: 22, total time: 7h7m15.835558886s (build: 3h24m46.638797983s, test: 3h15m37.218240438s) first bad commit: d21fdd07cea418c0d98c8a15fc95b8b8970801e7 driver core: Return proper error code when dev_set_name() fails recipients (to): ["andriy.shevchenko@linux.intel.com" "gregkh@linuxfoundation.org" "gregkh@linuxfoundation.org" "linux-kernel@vger.kernel.org"] recipients (cc): ["rafael@kernel.org"] crash: BUG: unable to handle kernel NULL pointer dereference in serio_handle_event BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 1131f0067 P4D 1131f0067 PUD 1130c2067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 2042 Comm: kworker/0:2 Not tainted 6.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Workqueue: events_long serio_handle_event RIP: 0010:strchr+0x4/0x30 lib/string.c:329 Code: c0 eb 0d 84 c9 74 18 48 83 c0 01 48 39 d0 74 0f 0f b6 0c 07 3a 0c 06 74 ea 19 c0 83 c8 01 c3 31 c0 c3 0f 1f 40 00 f3 0f 1e fa <0f> b6 07 89 f2 40 38 f0 75 0e eb 13 0f b6 47 01 48 83 c7 01 38 d0 RSP: 0018:ffffc90000f77ce8 EFLAGS: 00010246 RAX: ffffc90000f77d50 RBX: 0000000000000000 RCX: ffffc90000f77cec RDX: ffffc90000f77d30 RSI: 0000000000000025 RDI: 0000000000000000 RBP: ffffc90000f77d30 R08: 00000000000000f4 R09: ffff8881072925a8 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000cc0 R13: 0000000000000000 R14: ffff8881132cf660 R15: ffff88810df4a9c0 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000110356000 CR4: 0000000000350ef0 Call Trace: kvasprintf_const+0x1e/0xa0 lib/kasprintf.c:45 kobject_set_name_vargs+0x20/0x90 lib/kobject.c:272 kobject_add_varg lib/kobject.c:366 [inline] kobject_add+0x84/0x100 lib/kobject.c:424 device_add+0xe4/0x8d0 drivers/base/core.c:3562 serio_add_port drivers/input/serio/serio.c:539 [inline] serio_handle_event+0x2a2/0x2f0 drivers/input/serio/serio.c:207 process_one_work+0x297/0x4f0 kernel/workqueue.c:2597 worker_thread+0x4e/0x330 kernel/workqueue.c:2748 kthread+0xde/0x110 kernel/kthread.c:389 ret_from_fork+0x2c/0x40 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:strchr+0x4/0x30 lib/string.c:329 Code: c0 eb 0d 84 c9 74 18 48 83 c0 01 48 39 d0 74 0f 0f b6 0c 07 3a 0c 06 74 ea 19 c0 83 c8 01 c3 31 c0 c3 0f 1f 40 00 f3 0f 1e fa <0f> b6 07 89 f2 40 38 f0 75 0e eb 13 0f b6 47 01 48 83 c7 01 38 d0 RSP: 0018:ffffc90000f77ce8 EFLAGS: 00010246 RAX: ffffc90000f77d50 RBX: 0000000000000000 RCX: ffffc90000f77cec RDX: ffffc90000f77d30 RSI: 0000000000000025 RDI: 0000000000000000 RBP: ffffc90000f77d30 R08: 00000000000000f4 R09: ffff8881072925a8 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000cc0 R13: 0000000000000000 R14: ffff8881132cf660 R15: ffff88810df4a9c0 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000110356000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: c0 eb 0d shr $0xd,%bl 3: 84 c9 test %cl,%cl 5: 74 18 je 0x1f 7: 48 83 c0 01 add $0x1,%rax b: 48 39 d0 cmp %rdx,%rax e: 74 0f je 0x1f 10: 0f b6 0c 07 movzbl (%rdi,%rax,1),%ecx 14: 3a 0c 06 cmp (%rsi,%rax,1),%cl 17: 74 ea je 0x3 19: 19 c0 sbb %eax,%eax 1b: 83 c8 01 or $0x1,%eax 1e: c3 ret 1f: 31 c0 xor %eax,%eax 21: c3 ret 22: 0f 1f 40 00 nopl 0x0(%rax) 26: f3 0f 1e fa endbr64 * 2a: 0f b6 07 movzbl (%rdi),%eax <-- trapping instruction 2d: 89 f2 mov %esi,%edx 2f: 40 38 f0 cmp %sil,%al 32: 75 0e jne 0x42 34: eb 13 jmp 0x49 36: 0f b6 47 01 movzbl 0x1(%rdi),%eax 3a: 48 83 c7 01 add $0x1,%rdi 3e: 38 d0 cmp %dl,%al