ci starts bisection 2023-09-02 10:31:40.996337351 +0000 UTC m=+145281.526873190 bisecting cause commit starting from b84acc11b1c9552c9ca3a099b1610a6018619332 building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84 ensuring issue is reproducible on original commit b84acc11b1c9552c9ca3a099b1610a6018619332 testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55fa607a4eda4d6603cdfa7dc014ef0983ad709c3289bf0c48a894f7b8216ba1 all runs: crashed: general protection fault in evdev_connect representative crash: general protection fault in evdev_connect, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c851865916536f9058ad27f43c15afcf278d9eaffac0a0e56134bdc09d601b02 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3876 full=7674 leaves diff=2017 split chunks (needed=false): <2017> split chunk #0 of len 2017 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 383c4ff205317370089cfb798158833da7e3788beafcc1cd078f94e0b72a9014 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8556b6d55fde800ed1ef1f17b495358ece2c7de50fd1c2c3e246959c0ddca1a2 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b73ed0a499c3886a4838d70fafb1e004c49cd9fd808efa8811873e5c81b6209e run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect run #6: boot failed: WARNING: bad unlock balance in vkms_vblank_simulate run #7: boot failed: WARNING: bad unlock balance in vkms_vblank_simulate run #8: boot failed: WARNING: bad unlock balance in vkms_vblank_simulate run #9: boot failed: WARNING: bad unlock balance in vkms_vblank_simulate representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48e33c901dcc253ceb6247fe4e3195075b86ef172a068bc08b29cd3b48019e16 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit b84acc11b1c9552c9ca3a099b1610a6018619332 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 23d6ee8ed5cff5be6613bd77c60c98b15d68269494bce12d935ebe66e6ee0a2f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] the chunk can be dropped minimized to 404 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI BLK_DEV_ZONED CMA COMMON_CLK DAX DLM DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_DP_AUX_BUS DRM_DP_AUX_CHARDEV DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER 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 DRM_VRAM_HELPER 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_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 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 EVM_EXTRA_SMACK_XATTRS EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC 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_HELPERS FB_NOTIFY FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS 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_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 GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 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_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_EVENTFD HAVE_KVM_IRQCHIP HAVE_KVM_IRQFD HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER 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_CMEDIA HID_CORSAIR HID_CP2112 HID_DRAGONRISE HID_ELECOM HID_ELO HID_EMS_FF HID_GEMBIRD HID_GFRM HID_GREENASIA HID_GT683R 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_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_RETRODE HID_RMI HID_ROCCAT HID_SAITEK 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_THINGM HID_TIVO HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 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 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_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_TEST IOMMU_SVA IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE 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_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 IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_PROTO_TCP IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE MAC802154 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_FWD_NETDEV NF_TABLES NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE] 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: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 693d932083daf5fff2412f0076e63196eeebc9cbf5c356e0234ba668e7add8c0 all runs: OK false negative chance: 0.000 # git bisect start b84acc11b1c9552c9ca3a099b1610a6018619332 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 5182 revisions left to test after this (roughly 12 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: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5363a03fcbdc4fa42a49fb888fef88575e01f7b58611e07fa50007afd2332ed0 all runs: OK false negative chance: 0.000 # git bisect good 53ea7f624fb91074c2f9458832ed74975ee5d64c Bisecting: 2797 revisions left to test after this (roughly 11 steps) [a1c19328a160c80251868dbd80066dce23d07995] Merge tag 'soc-arm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit a1c19328a160c80251868dbd80066dce23d07995 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 14aa87af6f2af48ab778deabd8160136a66665a5dc33f921943605a503ab7a7c all runs: OK false negative chance: 0.000 # git bisect good a1c19328a160c80251868dbd80066dce23d07995 Bisecting: 1379 revisions left to test after this (roughly 11 steps) [ec0e2dc81072300acbda5deca2e02f98485eafa9] Merge tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio testing commit ec0e2dc81072300acbda5deca2e02f98485eafa9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c68d3abec21341e641af4c2e690ccad16fe6ebef86dfae479b87a5a3906535ae all runs: OK false negative chance: 0.000 # git bisect good ec0e2dc81072300acbda5deca2e02f98485eafa9 Bisecting: 758 revisions left to test after this (roughly 10 steps) [e2c874f999f079e3ec9b8071e92c87d57aded3b6] Merge tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit e2c874f999f079e3ec9b8071e92c87d57aded3b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ab5101732e348740334bc507102dc5fd436a6378fbc912aa2817a211c4608aa6 all runs: OK false negative chance: 0.000 # git bisect good e2c874f999f079e3ec9b8071e92c87d57aded3b6 Bisecting: 324 revisions left to test after this (roughly 9 steps) [8e1e49550dc85694abd04d86a8ee36bc98bd8b9e] Merge tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit 8e1e49550dc85694abd04d86a8ee36bc98bd8b9e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a23d2afbccaa1c811d6c00ed2c082beabb7ad19a83c712ae3a400a6c77181946 all runs: OK false negative chance: 0.000 # git bisect good 8e1e49550dc85694abd04d86a8ee36bc98bd8b9e Bisecting: 163 revisions left to test after this (roughly 7 steps) [b587cb726467a9d1c62b4b61c284966fe677c040] fsi: i2cr: Switch to use struct i2c_driver's .probe() testing commit b587cb726467a9d1c62b4b61c284966fe677c040 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5153f4db0ad4264bfaea418b87a5ed1f44fb7752be84837e4f3f337fc9938cae all runs: OK false negative chance: 0.000 # git bisect good b587cb726467a9d1c62b4b61c284966fe677c040 Bisecting: 89 revisions left to test after this (roughly 6 steps) [eb176cb46191f20314878222d8186106e23cb711] nvmem: core: Notify when a new layout is registered testing commit eb176cb46191f20314878222d8186106e23cb711 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 036a27600540358adcecec45025805265fefc26fd0ff75730163ff5d0fd7e0f3 all runs: OK false negative chance: 0.000 # git bisect good eb176cb46191f20314878222d8186106e23cb711 Bisecting: 44 revisions left to test after this (roughly 6 steps) [3a60e2a1c8a6eaa38336d798c23ab6dcb61b5cc2] Merge branch 'icc-retire-macros' into icc-next testing commit 3a60e2a1c8a6eaa38336d798c23ab6dcb61b5cc2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c5d27fe2a1ade9a7b8ed6b9c9c4611ee8b14885ee1e8e4b7cb78b3a671b859d5 all runs: OK false negative chance: 0.000 # git bisect good 3a60e2a1c8a6eaa38336d798c23ab6dcb61b5cc2 Bisecting: 22 revisions left to test after this (roughly 5 steps) [bbaee49cce7c815d1bd6d95b6020b5fe33ba561a] docs: stable-kernel-rules: mention that regressions must be prevented testing commit bbaee49cce7c815d1bd6d95b6020b5fe33ba561a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4ecc36c196a4a7f8604a36a905e14098865c9a8405a89ded2860ffdd98c0ee4e all runs: OK false negative chance: 0.000 # git bisect good bbaee49cce7c815d1bd6d95b6020b5fe33ba561a Bisecting: 11 revisions left to test after this (roughly 4 steps) [28a4f91f5f251689c69155bc6a0b1afc9916c874] Merge tag 'driver-core-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core testing commit 28a4f91f5f251689c69155bc6a0b1afc9916c874 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e665f9580ce0fae81817dded77a0cba7328368536d46a310949cfbc0770122b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] # git bisect bad 28a4f91f5f251689c69155bc6a0b1afc9916c874 Bisecting: 5 revisions left to test after this (roughly 3 steps) [f71b144e3e7a490d9140045680b7025382fb33b5] drivers: base: test: Add missing MODULE_* macros for platform devices tests testing commit f71b144e3e7a490d9140045680b7025382fb33b5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0654433b531f7f0e7f1a522acd24cf5ad40dc691f06cd8ffe8fd9547d83ea732 all runs: OK false negative chance: 0.000 # git bisect good f71b144e3e7a490d9140045680b7025382fb33b5 Bisecting: 2 revisions left to test after this (roughly 2 steps) [1b28cb81dab7c1eedc6034206f4e8d644046ad31] kobject: Remove redundant checks for whether ktype is NULL testing commit 1b28cb81dab7c1eedc6034206f4e8d644046ad31 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0745bfe794f39a281f49fc44e6dfd7ef4b7d4cfa536eb0df6b0dc64be75f96a8 all runs: OK false negative chance: 0.000 # git bisect good 1b28cb81dab7c1eedc6034206f4e8d644046ad31 Bisecting: 0 revisions left to test after this (roughly 1 step) [29c8ab79e91d35b93cfab87bf67a11516f7b2051] driver core: Call in reversed order in device_platform_notify_remove() testing commit 29c8ab79e91d35b93cfab87bf67a11516f7b2051 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d7fd8f3d4d77443f8101945ce3f323b26a5cfabecfb7b9d94ed6b02b1ac97760 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] # git bisect bad 29c8ab79e91d35b93cfab87bf67a11516f7b2051 Bisecting: 0 revisions left to test after this (roughly 0 steps) [d21fdd07cea418c0d98c8a15fc95b8b8970801e7] driver core: Return proper error code when dev_set_name() fails testing commit d21fdd07cea418c0d98c8a15fc95b8b8970801e7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d498accc07e4ca98662d13d9bbc399ec8e34279f707f1e7cf62123a9571aa6d1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in evdev_connect representative crash: BUG: unable to handle kernel NULL pointer dereference in evdev_connect, types: [UNKNOWN] # git bisect bad d21fdd07cea418c0d98c8a15fc95b8b8970801e7 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: d498accc07e4ca98662d13d9bbc399ec8e34279f707f1e7cf62123a9571aa6d1 parent signature: 0745bfe794f39a281f49fc44e6dfd7ef4b7d4cfa536eb0df6b0dc64be75f96a8 revisions tested: 22, total time: 7h45m22.051853038s (build: 3h33m8.158825402s, test: 3h27m42.771301281s) 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 evdev_connect RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007fe48db74120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007fe48cf9bf80 R15: 00007ffdbbdb54f8 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 101729067 P4D 101729067 PUD 101b7f067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 2541 Comm: syz-executor.0 Not tainted 6.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:strchr+0x7/0x30 lib/string.c:329 Code: c9 74 0c 49 8d 48 01 4c 39 c2 49 89 c8 75 e5 c3 31 c0 c3 0f 93 c0 0f b6 c0 8d 44 00 ff c3 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 <0f> b6 0f 40 38 f1 74 10 84 c9 74 0d 0f b6 48 01 48 ff c0 40 38 f1 RSP: 0018:ffffc9000220bc38 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888103b6c938 RCX: 0000000000000001 RDX: ffffc9000220bcf0 RSI: 0000000000000025 RDI: 0000000000000000 RBP: ffffc9000220bc88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888103b6c938 R14: 0000000000000cc0 R15: ffffc9000220bcf0 FS: 00007fe48db746c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000101f75000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvasprintf_const+0x3b/0x140 lib/kasprintf.c:45 kobject_set_name_vargs+0x24/0x90 lib/kobject.c:272 kobject_add_varg lib/kobject.c:366 [inline] kobject_add+0x97/0x100 lib/kobject.c:424 device_add+0x186/0x460 drivers/base/core.c:3562 cdev_device_add+0x6f/0xc0 fs/char_dev.c:556 evdev_connect+0x175/0x1d0 drivers/input/evdev.c:1386 input_attach_handler drivers/input/input.c:1064 [inline] input_register_device+0x543/0x5f0 drivers/input/input.c:2396 uinput_create_device+0xcc/0x190 drivers/input/misc/uinput.c:365 uinput_ioctl_handler+0x316/0x760 drivers/input/misc/uinput.c:904 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x6d/0xb0 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe48ce7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe48db740c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe48cf9bf80 RCX: 00007fe48ce7cae9 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003 RBP: 00007fe48db74120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007fe48cf9bf80 R15: 00007ffdbbdb54f8 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:strchr+0x7/0x30 lib/string.c:329 Code: c9 74 0c 49 8d 48 01 4c 39 c2 49 89 c8 75 e5 c3 31 c0 c3 0f 93 c0 0f b6 c0 8d 44 00 ff c3 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 <0f> b6 0f 40 38 f1 74 10 84 c9 74 0d 0f b6 48 01 48 ff c0 40 38 f1 RSP: 0018:ffffc9000220bc38 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888103b6c938 RCX: 0000000000000001 RDX: ffffc9000220bcf0 RSI: 0000000000000025 RDI: 0000000000000000 RBP: ffffc9000220bc88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888103b6c938 R14: 0000000000000cc0 R15: ffffc9000220bcf0 FS: 00007fe48db746c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000101f75000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c9 leave 1: 74 0c je 0xf 3: 49 8d 48 01 lea 0x1(%r8),%rcx 7: 4c 39 c2 cmp %r8,%rdx a: 49 89 c8 mov %rcx,%r8 d: 75 e5 jne 0xfffffff4 f: c3 ret 10: 31 c0 xor %eax,%eax 12: c3 ret 13: 0f 93 c0 setae %al 16: 0f b6 c0 movzbl %al,%eax 19: 8d 44 00 ff lea -0x1(%rax,%rax,1),%eax 1d: c3 ret 1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 23: f3 0f 1e fa endbr64 27: 48 89 f8 mov %rdi,%rax * 2a: 0f b6 0f movzbl (%rdi),%ecx <-- trapping instruction 2d: 40 38 f1 cmp %sil,%cl 30: 74 10 je 0x42 32: 84 c9 test %cl,%cl 34: 74 0d je 0x43 36: 0f b6 48 01 movzbl 0x1(%rax),%ecx 3a: 48 ff c0 inc %rax 3d: 40 38 f1 cmp %sil,%cl