ci2 starts bisection 2024-04-02 12:58:26.801222745 +0000 UTC m=+166.899683749 bisecting fixing commit since e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 building syzkaller on 28b24332d95f2f7df44ec7e7a5e0025bcadc6277 ensuring issue is reproducible on original commit e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 testing commit e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a31c9993242a36abeda7813e3d9157a43766af0789524898dc177440f573ea63 run #0: crashed: BUG: unable to handle kernel paging request in bit_putcs run #1: crashed: BUG: unable to handle kernel paging request in bit_putcs run #2: crashed: BUG: unable to handle kernel paging request in bit_putcs run #3: crashed: BUG: unable to handle kernel paging request in bit_putcs run #4: crashed: BUG: unable to handle kernel paging request in bit_putcs run #5: crashed: BUG: unable to handle kernel paging request in bit_putcs run #6: crashed: BUG: unable to handle kernel paging request in bit_putcs run #7: crashed: BUG: unable to handle kernel paging request in bit_putcs run #8: crashed: BUG: unable to handle kernel paging request in bit_putcs run #9: crashed: BUG: unable to handle kernel paging request in bit_putcs run #10: crashed: BUG: unable to handle kernel paging request in bit_putcs run #11: crashed: BUG: unable to handle kernel paging request in bit_putcs run #12: crashed: BUG: unable to handle kernel paging request in bit_putcs run #13: crashed: BUG: unable to handle kernel paging request in bit_putcs run #14: crashed: BUG: unable to handle kernel paging request in bit_putcs run #15: crashed: BUG: unable to handle kernel paging request in bit_putcs run #16: crashed: BUG: unable to handle kernel paging request in bit_putcs run #17: crashed: BUG: unable to handle kernel paging request in bit_putcs run #18: crashed: BUG: unable to handle kernel paging request in bit_putcs run #19: OK representative crash: BUG: unable to handle kernel paging request in bit_putcs, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 32b90458e95cc50c11b1f04f628331664c42a2071c01244cd63d0bf323ef4854 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=7493 full=9695 leaves diff=1933 split chunks (needed=false): <1933> split chunk #0 of len 1933 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 e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 67ba6963d3215bdd4886bd9714c82c9fa386aab4de26370f1acfee6d80df0c7a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: da1da16c75d988995e8c8fb9874cd4150143d0c7eab374143f58a2afdf7f28ae all runs: boot failed: can't ssh into the instance unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 testing without sub-chunk 3/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1505196af4403e6b98b8bb2a56810eb37e3d1b4467e5fe6ef0b39d6180e670cb all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7dfbd40be5a5b13df009d5747e78da7187578dc9eab8e49461d8527e6f0dffe5 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 60cd6697ba5d4ceef4cd0e244db286be06189fb9a8bc304297d29f91dfeb930d all runs: boot failed: can't ssh into the instance unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 minimized to 772 configs; suspects: [6LOWPAN ACPI_VIDEO ATM BCMA BLK_DEV_ZONED CFG80211 CFG80211_WEXT CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DLM DRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_V3D DRM_VC4 DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB 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_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 E100 ECRYPT_FS ECRYPT_FS_MESSAGING EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS 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_POSIX_ACL EXT3_FS_SECURITY EXT4_FS_SECURITY 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 FB_DEFERRED_IO FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VIRTUAL FDDI FIB_RULES FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FRAMEBUFFER_CONSOLE_ROTATION FRONTSWAP FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FW_LOADER_COMPRESS FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GVE HAVE_ARCH_USERFAULTFD_MINOR HAVE_IMA_KEXEC HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HIDRAW HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_CMEDIA HID_CORSAIR HID_CP2112 HID_ELECOM HID_ELO HID_EMS_FF HID_GEMBIRD HID_GFRM HID_GREENASIA HID_GT683R HID_GYRATION HID_HOLTEK HID_ICADE HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MAGICMOUSE HID_MAYFLASH HID_NTI HID_NTRIG HID_ORTEK HID_PENMOUNT HID_PETALYNX HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PID HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SAMSUNG HID_SENSOR_ACCEL_3D HID_SENSOR_ALS 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_SPEEDLINK HID_STEELSERIES HID_SUNPLUS HID_THINGM HID_TIVO HID_TOPSEED HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZEROPLUS HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPFS_FS I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB 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_AH INET6_ESP INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_JOYSTICK INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_TOUCHSCREEN INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_IPV6HEADER IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_NPT 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_ADVANCED_ROUTER IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE IP_MROUTE_COMMON 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_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_PIMSM_V1 IP_PIMSM_V2 IP_PNP_RARP IP_ROUTE_CLASSID IP_ROUTE_MULTIPATH IP_ROUTE_VERBOSE 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 IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE ISO9660_FS JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOLIET JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE LAPB LCD_CLASS_DEVICE MAC80211 MAC802154 MEDIA_CEC_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_TEST_SUPPORT MFD_DLN2 MFD_VIPERBOARD MPTCP MTD_UBI NET_IPGRE_DEMUX NFT_FWD_NETDEV NF_CONNTRACK_FTP NF_CONNTRACK_SIP NF_TABLES NF_TABLES_NETDEV PARPORT PARTITION_ADVANCED PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RFKILL SND SND_SOC SOUND SSB TARGET_CORE TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_ATMEL_MXT TOUCHSCREEN_EDT_FT5X06 TOUCHSCREEN_GOODIX TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AMD5536UDC USB_AN2720 USB_ANNOUNCE_NEW_DEVICES USB_APPLEDISPLAY USB_ATM USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CONFIGFS_F_HID 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_PHONET USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2_PCI USB_DWC3_GADGET USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_HID USB_F_MIDI USB_F_PHONET USB_F_PRINTER USB_F_SS_LB USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC 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_HIDDEV USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_KAWETH USB_KC2190 USB_KEENE USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MON USB_MR800 USB_MSI2500 USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SR9700 USB_OTG_FSM USB_OXU210HP_HCD USB_PRINTER 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_S2255 USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE 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_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_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_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_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_U132_HCD USB_UAS USB_UEAGLEATM USB_UHCI_HCD USB_USS720 USB_U_AUDIO USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XUSBATM USB_YUREX USERFAULTFD USERIO U_SERIAL_CONSOLE V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK 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_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_STK1160_COMMON VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_DMA_SHARED_BUFFER VIRTIO_FS VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VXFS_FS WAN WCN36XX WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_ATH WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS XDP_SOCKETS XDP_SOCKETS_DIAG XFRM XFRM_AH XFRM_ALGO XFRM_ESP XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT ZBUD ZEROPLUS_FF ZISOFS ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC 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 testing current HEAD e5cd595e23c1a075359a337c0e5c3a4f2dc28dd1 testing commit e5cd595e23c1a075359a337c0e5c3a4f2dc28dd1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2bfdfb5162e7f04d9ff86ffa0e55e14b096e7824b18ce96483eab32aea1a25f2 all runs: OK false negative chance: 0.000 # git bisect start e5cd595e23c1a075359a337c0e5c3a4f2dc28dd1 e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 Bisecting: 1392 revisions left to test after this (roughly 11 steps) [4d4e06eaa25192e3fe01e0f8ecadf52f6bb39a4a] audit: Send netlink ACK before setting connection in auditd_set determine whether the revision contains the guilty commit revision e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 crashed and is reachable testing commit 4d4e06eaa25192e3fe01e0f8ecadf52f6bb39a4a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eacad70510298ce845f63fb8ec3b65ac8949759584c59d56d6e63bceb2fc9b7d run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] # git bisect good 4d4e06eaa25192e3fe01e0f8ecadf52f6bb39a4a Bisecting: 696 revisions left to test after this (roughly 10 steps) [39c6312009574ca73865354133ca222e7753a71b] fs/ntfs3: Fix a possible null-pointer dereference in ni_clear() determine whether the revision contains the guilty commit revision e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 crashed and is reachable testing commit 39c6312009574ca73865354133ca222e7753a71b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7ea6ebfad4702c5d03c5edf65282f72fdff492ebd76f35e57ebf98028a6619ad run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs run #9: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] # git bisect good 39c6312009574ca73865354133ca222e7753a71b Bisecting: 348 revisions left to test after this (roughly 9 steps) [e72160cb6e23b78b41999d6885a34ce8db536095] cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value determine whether the revision contains the guilty commit revision 4d4e06eaa25192e3fe01e0f8ecadf52f6bb39a4a crashed and is reachable testing commit e72160cb6e23b78b41999d6885a34ce8db536095 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb06db065f79dcaa6f592f0d2422561f0a023ac6e1f4928afcd43559a0f48e99 all runs: OK false negative chance: 0.000 # git bisect bad e72160cb6e23b78b41999d6885a34ce8db536095 Bisecting: 173 revisions left to test after this (roughly 8 steps) [86c909d2275b91fb34be07b081c7343a0c2351f2] x86/efistub: Avoid placing the kernel below LOAD_PHYSICAL_ADDR determine whether the revision contains the guilty commit revision e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 crashed and is reachable testing commit 86c909d2275b91fb34be07b081c7343a0c2351f2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d010049f6081b979c5540884876ad76c3b4f082d4d8182c1ba50dac65499cf7c all runs: OK false negative chance: 0.000 # git bisect bad 86c909d2275b91fb34be07b081c7343a0c2351f2 Bisecting: 86 revisions left to test after this (roughly 7 steps) [f27d319df055629480b84b9288a502337b6f2a2e] mptcp: fix possible deadlock in subflow diag determine whether the revision contains the guilty commit revision e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 crashed and is reachable testing commit f27d319df055629480b84b9288a502337b6f2a2e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79a270cc220df5ffadd952ad72c523ac37d809816371aa8f3f17dffc33794392 all runs: OK false negative chance: 0.000 # git bisect bad f27d319df055629480b84b9288a502337b6f2a2e Bisecting: 43 revisions left to test after this (roughly 6 steps) [40f0f326cfe6847faaa409f4883b94fcdda468ab] tls: decrement decrypt_pending if no async completion will be called determine whether the revision contains the guilty commit revision e7cddbb41b63252ddb5b7f8247da5d0b24adfac5 crashed and is reachable testing commit 40f0f326cfe6847faaa409f4883b94fcdda468ab gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 32ff866f48aa080cc340a15025da91f878fa8b0cc3eef9ef0259a24e8c74c6ed all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] # git bisect good 40f0f326cfe6847faaa409f4883b94fcdda468ab Bisecting: 21 revisions left to test after this (roughly 5 steps) [237ecf1afe6c22534fa43abdf2bf0b0f52de0aaa] dmaengine: fsl-qdma: fix SoC may hang on 16 byte unaligned read determine whether the revision contains the guilty commit revision 40f0f326cfe6847faaa409f4883b94fcdda468ab crashed and is reachable testing commit 237ecf1afe6c22534fa43abdf2bf0b0f52de0aaa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ff3d96393822ef6367e21995d195a59d09a20903679e187863e5100d4a3362a5 all runs: OK false negative chance: 0.000 # git bisect bad 237ecf1afe6c22534fa43abdf2bf0b0f52de0aaa Bisecting: 10 revisions left to test after this (roughly 4 steps) [8cec41a35065dcfcca5a2337f4edd56dadd1425c] ALSA: firewire-lib: fix to check cycle continuity determine whether the revision contains the guilty commit revision 4d4e06eaa25192e3fe01e0f8ecadf52f6bb39a4a crashed and is reachable testing commit 8cec41a35065dcfcca5a2337f4edd56dadd1425c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f3f2755c76a331177b040775144de23298dca870e1df09a95bf61a1474b17cad all runs: OK false negative chance: 0.000 # git bisect bad 8cec41a35065dcfcca5a2337f4edd56dadd1425c Bisecting: 5 revisions left to test after this (roughly 3 steps) [d36b9a1b4e5214abaf864afde5617b021b5cb588] drm/tegra: Remove existing framebuffer only if we support display determine whether the revision contains the guilty commit revision 40f0f326cfe6847faaa409f4883b94fcdda468ab crashed and is reachable testing commit d36b9a1b4e5214abaf864afde5617b021b5cb588 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 960582fb1ce65370f9591eb963478409cd46da98f69e8327b5d7ea2815165475 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bit_putcs representative crash: BUG: unable to handle kernel NULL pointer dereference in bit_putcs, types: [UNKNOWN] # git bisect good d36b9a1b4e5214abaf864afde5617b021b5cb588 Bisecting: 2 revisions left to test after this (roughly 2 steps) [8310080799b40fd9f2a8b808c657269678c149af] riscv: Sparse-Memory/vmemmap out-of-bounds fix determine whether the revision contains the guilty commit revision 40f0f326cfe6847faaa409f4883b94fcdda468ab crashed and is reachable testing commit 8310080799b40fd9f2a8b808c657269678c149af gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92d4b52145a535b07472dae181bfbaca9883bed515699344582368a94a21d8da all runs: OK false negative chance: 0.000 # git bisect bad 8310080799b40fd9f2a8b808c657269678c149af Bisecting: 0 revisions left to test after this (roughly 1 step) [058ed71e0f7aa3b6694ca357e23d084e5d3f2470] afs: Fix endless loop in directory parsing determine whether the revision contains the guilty commit revision d36b9a1b4e5214abaf864afde5617b021b5cb588 crashed and is reachable testing commit 058ed71e0f7aa3b6694ca357e23d084e5d3f2470 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fd3056c621965a81e4926303a1468ceb536e19fe2e10142e2eb5e3e6f80ce641 all runs: OK false negative chance: 0.000 # git bisect bad 058ed71e0f7aa3b6694ca357e23d084e5d3f2470 Bisecting: 0 revisions left to test after this (roughly 0 steps) [2f91a96b892fab2f2543b4a55740c5bee36b1a6b] fbcon: always restore the old font data in fbcon_do_set_font() determine whether the revision contains the guilty commit revision 39c6312009574ca73865354133ca222e7753a71b crashed and is reachable testing commit 2f91a96b892fab2f2543b4a55740c5bee36b1a6b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 46f4212799872b298ba37588aa6885df63c04da6ba82694a3fde0fcb16ca2d7e all runs: OK false negative chance: 0.000 # git bisect bad 2f91a96b892fab2f2543b4a55740c5bee36b1a6b 2f91a96b892fab2f2543b4a55740c5bee36b1a6b is the first bad commit commit 2f91a96b892fab2f2543b4a55740c5bee36b1a6b Author: Jiri Slaby (SUSE) Date: Thu Feb 8 12:44:11 2024 +0100 fbcon: always restore the old font data in fbcon_do_set_font() [ Upstream commit 00d6a284fcf3fad1b7e1b5bc3cd87cbfb60ce03f ] Commit a5a923038d70 (fbdev: fbcon: Properly revert changes when vc_resize() failed) started restoring old font data upon failure (of vc_resize()). But it performs so only for user fonts. It means that the "system"/internal fonts are not restored at all. So in result, the very first call to fbcon_do_set_font() performs no restore at all upon failing vc_resize(). This can be reproduced by Syzkaller to crash the system on the next invocation of font_get(). It's rather hard to hit the allocation failure in vc_resize() on the first font_set(), but not impossible. Esp. if fault injection is used to aid the execution/failure. It was demonstrated by Sirius: BUG: unable to handle page fault for address: fffffffffffffff8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD cb7b067 P4D cb7b067 PUD cb7d067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8007 Comm: poc Not tainted 6.7.0-g9d1694dc91ce #20 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 RIP: 0010:fbcon_get_font+0x229/0x800 drivers/video/fbdev/core/fbcon.c:2286 Call Trace: con_font_get drivers/tty/vt/vt.c:4558 [inline] con_font_op+0x1fc/0xf20 drivers/tty/vt/vt.c:4673 vt_k_ioctl drivers/tty/vt/vt_ioctl.c:474 [inline] vt_ioctl+0x632/0x2ec0 drivers/tty/vt/vt_ioctl.c:752 tty_ioctl+0x6f8/0x1570 drivers/tty/tty_io.c:2803 vfs_ioctl fs/ioctl.c:51 [inline] ... So restore the font data in any case, not only for user fonts. Note the later 'if' is now protected by 'old_userfont' and not 'old_data' as the latter is always set now. (And it is supposed to be non-NULL. Otherwise we would see the bug above again.) Signed-off-by: Jiri Slaby (SUSE) Fixes: a5a923038d70 ("fbdev: fbcon: Properly revert changes when vc_resize() failed") Reported-and-tested-by: Ubisectech Sirius Cc: Ubisectech Sirius Cc: Daniel Vetter Cc: Helge Deller Cc: linux-fbdev@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20240208114411.14604-1-jirislaby@kernel.org Signed-off-by: Sasha Levin drivers/video/fbdev/core/fbcon.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) accumulated error probability: 0.00 culprit signature: 46f4212799872b298ba37588aa6885df63c04da6ba82694a3fde0fcb16ca2d7e parent signature: 960582fb1ce65370f9591eb963478409cd46da98f69e8327b5d7ea2815165475 revisions tested: 20, total time: 7h24m10.696528163s (build: 2h30m6.027486337s, test: 3h32m45.78470709s) first good commit: 2f91a96b892fab2f2543b4a55740c5bee36b1a6b fbcon: always restore the old font data in fbcon_do_set_font() recipients (to): ["bugreport@ubisectech.com" "daniel.vetter@ffwll.ch" "jirislaby@kernel.org" "sashal@kernel.org"] recipients (cc): []