ci2 starts bisection 2024-12-12 15:32:14.47034082 +0000 UTC m=+4965.795073931 bisecting fixing commit since 0a51d2d4527b43c5e467ffa6897deefeaf499358 building syzkaller on 68da6d951a345757b69b764ceb8dda1e9d65b038 ensuring issue is reproducible on original commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 91bdbb44fbf1caa1e5cfcc81e75340a9d97a38831b24fe856f78d2451726dc8e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, 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 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0907b99ecbd49a2622464e9045026469a32780dbe8dc679263e9cb4e2bae76b1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3706 full=7302 leaves diff=2037 split chunks (needed=false): <2037> split chunk #0 of len 2037 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f44d10ed18c79c2a844d48d16adef71ca20583b96f1dc5f791559ffb3940e70c all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10fa2ad0526861de3fb2493734b94b56095d9aed8d4aa6df46a453484239e684 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40b50035b0eb40dea7509af41d4e09fb015d5accfbb9499f5375e96d7c010e1f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c566edd78c1f0e25f2bfb5cab6447eb260fdb617f6cc64b99341c97832c4760 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 0a51d2d4527b43c5e467ffa6897deefeaf499358 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8c0a32bd4a14e81842099c34fd0d2bf861c486804ad08c39257b8ed1c2229878 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] the chunk can be dropped minimized to 816 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID ANDROID_BINDERFS ANDROID_BINDER_IPC APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ASHMEM ASM_MODVERSIONS ASN1_ENCODER ASYMMETRIC_TPM_KEY_SUBTYPE ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP BLK_CGROUP_IOCOST BLK_CGROUP_IOLATENCY BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_CRYPTOLOOP BLK_DEV_INTEGRITY BLK_DEV_INTEGRITY_T10 BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_RDMA BLK_RQ_ALLOC_TIME BLK_WBT BLK_WBT_MQ BONDING BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_HIDP BT_HS BT_INTEL BT_LE BT_LEDS BT_MSFTEXT BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL BXT_WC_PMIC_OPREGION CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB2 CAN_ETAS_ES58X CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_PEAK_USB CAN_RAW CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CGROUP_DEVICE CGROUP_HUGETLB CGROUP_NET_CLASSID CGROUP_NET_PRIO CGROUP_PERF CGROUP_RDMA CGROUP_WRITEBACK CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MBYTES CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD CRYPTO_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECB CRYPTO_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_SM4 CRYPTO_LRW CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM2 CRYPTO_SM3 CRYPTO_SM4 CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XTS CRYPTO_XXHASH CUSE CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_VADDR DAX DCA DCB DEBUG_PREEMPT DEFAULT_PFIFO_FAST DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DEV_PAGEMAP_OPS DIMLIB DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_BOCHS DRM_BRIDGE DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DP_AUX_CHARDEV 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_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DVB_CORE ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GENEVE GPIOLIB HAMRADIO HID_DRAGONRISE HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_RTRS_CLIENT INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IOSCHED_BFQ IP_SCTP ISDN ISDN_CAPI L2TP LIBCRC32C LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_CLS_U32 NET_IPGRE NET_IPGRE_DEMUX NET_SCH_DEFAULT NFS_V4_1 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PMIC_OPREGION PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPTION PREEMPT_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU PRISM2_USB PROC_CHILDREN PROC_MEM_ALWAYS_FORCE PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_NZXT_KRAKEN2 SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS_COMMON SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_CGROUP_DATA SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_RCU TASKS_RCU_GENERIC TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_DEVICE TLS_TOE 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 TPM_KEY_PARSER TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE 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 UCSI_CCG 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_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET 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_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_PHY USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VLAN_8021Q VXLAN WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32 ZONE_DEVICE] disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed determining the merge base between 0a51d2d4527b43c5e467ffa6897deefeaf499358 and 231825b2e1ff6ba799c5eaf396d3ab2354e37c6b 8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d32468eb63eaad0ba162798a3ea69f40acc85a328080f980ac69219e0c3b9e4e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] testing current HEAD 231825b2e1ff6ba799c5eaf396d3ab2354e37c6b testing commit 231825b2e1ff6ba799c5eaf396d3ab2354e37c6b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e512036de55eb8a4cb57eb211c31c2fd544cb7ccd06f082d4fb8ae9d28b14db all runs: OK false negative chance: 0.000 # git bisect start 231825b2e1ff6ba799c5eaf396d3ab2354e37c6b 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 139605 revisions left to test after this (roughly 17 steps) [667de5c68440732373f571f7eac4ff44b1b93ee7] Merge tag 'thermal-6.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 667de5c68440732373f571f7eac4ff44b1b93ee7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 67a25d107aafb32cdb2201ff0eaaca0173493a8f0aec79c8c5cc171ed0ff028f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good 667de5c68440732373f571f7eac4ff44b1b93ee7 Bisecting: 69832 revisions left to test after this (roughly 16 steps) [1f440397665f4241346e4cc6d93f8b73880815d1] Merge tag 'docs-6.9' of git://git.lwn.net/linux determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 1f440397665f4241346e4cc6d93f8b73880815d1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: acfef7f48442fd6fd4921ea0dd95ebfcd4ffc6dbd1408ba173a726bb338c4f77 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good 1f440397665f4241346e4cc6d93f8b73880815d1 Bisecting: 34285 revisions left to test after this (roughly 15 steps) [b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel determine whether the revision contains the guilty commit revision 1f440397665f4241346e4cc6d93f8b73880815d1 crashed and is reachable testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25a0489e8b13f8def08bc785d2ca957d8a5e360e0576350c704f8948df6468d1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good b3ce7a30847a54a7f96a35e609303d8afecd460b Bisecting: 17149 revisions left to test after this (roughly 14 steps) [3147a0689dd9793990ff954369ffcdf2de984b46] Merge tag 'for-6.12/io_uring-20240922' of git://git.kernel.dk/linux determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 3147a0689dd9793990ff954369ffcdf2de984b46 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe187378fbe2c6ee9b891f839313d6de5e0b76239553d206050c23713f79c53e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good 3147a0689dd9793990ff954369ffcdf2de984b46 Bisecting: 8767 revisions left to test after this (roughly 13 steps) [6e95ef0258ff4ee23ae3b06bf6b00b33dbbd5ef7] Merge tag 'bpf-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next determine whether the revision contains the guilty commit revision 667de5c68440732373f571f7eac4ff44b1b93ee7 crashed and is reachable testing commit 6e95ef0258ff4ee23ae3b06bf6b00b33dbbd5ef7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c5c4181f2ab03ae78e65b91006edbb6d38b70d10b6105bc6899feb5cdd1a316f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good 6e95ef0258ff4ee23ae3b06bf6b00b33dbbd5ef7 Bisecting: 4387 revisions left to test after this (roughly 12 steps) [619d996c86421da1057d589123a28e2da0bf0785] Merge tag 'tpmdd-next-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd determine whether the revision contains the guilty commit revision b3ce7a30847a54a7f96a35e609303d8afecd460b crashed and is reachable testing commit 619d996c86421da1057d589123a28e2da0bf0785 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cbf60a3a865343e28064e8d64b542e04cabbe92e97273e82faf7555fb7d23045 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good 619d996c86421da1057d589123a28e2da0bf0785 Bisecting: 2190 revisions left to test after this (roughly 11 steps) [4aca98a8a150f3531fea782c3040ada0ad1ce3b6] Merge tag 'vfio-v6.13-rc1' of https://github.com/awilliam/linux-vfio determine whether the revision contains the guilty commit revision 3147a0689dd9793990ff954369ffcdf2de984b46 crashed and is reachable testing commit 4aca98a8a150f3531fea782c3040ada0ad1ce3b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f645985d50a8c45afe991112025871bbb2e7d6aab8a39233351f2f7b1863ea4b all runs: OK false negative chance: 0.000 # git bisect bad 4aca98a8a150f3531fea782c3040ada0ad1ce3b6 Bisecting: 1104 revisions left to test after this (roughly 10 steps) [70dbb12e95ec7585c68cb3ceae971688915021e3] Merge tag 'i2c-for-6.13-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux determine whether the revision contains the guilty commit revision 1f440397665f4241346e4cc6d93f8b73880815d1 crashed and is reachable testing commit 70dbb12e95ec7585c68cb3ceae971688915021e3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c2dacbd306b804be99b70a7292623e60e922f78b4bfa1fc3e63c2b3507dd3334 all runs: OK false negative chance: 0.000 # git bisect bad 70dbb12e95ec7585c68cb3ceae971688915021e3 Bisecting: 549 revisions left to test after this (roughly 9 steps) [42d9e8b7ccddee75989283cf7477305cfe3776ff] Merge tag 'powerpc-6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux determine whether the revision contains the guilty commit revision 3147a0689dd9793990ff954369ffcdf2de984b46 crashed and is reachable testing commit 42d9e8b7ccddee75989283cf7477305cfe3776ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb4f5e78a41efafe1703b896dcccbc05292ff4a1609664bf46a8ced5784919eb all runs: OK false negative chance: 0.000 # git bisect bad 42d9e8b7ccddee75989283cf7477305cfe3776ff Bisecting: 309 revisions left to test after this (roughly 8 steps) [228a1157fb9fec47eb135b51c0202b574e079ebf] Merge tag '6.13-rc-part1-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 228a1157fb9fec47eb135b51c0202b574e079ebf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9f4b464b122e768d4deedf77a21afca0e6731fe9253bc9822d43a9aa8f93f138 all runs: OK false negative chance: 0.000 # git bisect bad 228a1157fb9fec47eb135b51c0202b574e079ebf Bisecting: 99 revisions left to test after this (roughly 7 steps) [ceba6f6f33f29ab838b23a567621b847e527d085] Merge tag 'iommu-updates-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux determine whether the revision contains the guilty commit revision 667de5c68440732373f571f7eac4ff44b1b93ee7 crashed and is reachable testing commit ceba6f6f33f29ab838b23a567621b847e527d085 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2fdd78e7ff0ed9e082e03317e11501bb23f986a66404b7f8c42a2f7b704fe99 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good ceba6f6f33f29ab838b23a567621b847e527d085 Bisecting: 49 revisions left to test after this (roughly 6 steps) [c64b16a37b6d240f6baefd7061970a01c23da61d] RDMA/bnxt_re: Support different traffic class determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit c64b16a37b6d240f6baefd7061970a01c23da61d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 928fb09f8241568389270592651f53505a1ef98022c5f2ec8b4a9615f791dd38 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good c64b16a37b6d240f6baefd7061970a01c23da61d Bisecting: 29 revisions left to test after this (roughly 5 steps) [060fc106b6854d3289d838ac3c98eb17afb261d7] Merge tag 'unicode-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode determine whether the revision contains the guilty commit revision ceba6f6f33f29ab838b23a567621b847e527d085 crashed and is reachable testing commit 060fc106b6854d3289d838ac3c98eb17afb261d7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3b21b88e3a4715f2ad3c616695a91920c84ab52f3484836ce46a1141faf642ea all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good 060fc106b6854d3289d838ac3c98eb17afb261d7 Bisecting: 14 revisions left to test after this (roughly 4 steps) [a9685b409a03b73d2980bbfa53eb47555802d0a9] smb: prevent use-after-free due to open_cached_dir error paths determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit a9685b409a03b73d2980bbfa53eb47555802d0a9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 11df2d4d1b6e8fac35cb92aa94d30acfb16300f94ff419e5c1b760215eb00912 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good a9685b409a03b73d2980bbfa53eb47555802d0a9 Bisecting: 7 revisions left to test after this (roughly 3 steps) [c5b28fc161c5402da2e10cc11637c2dff727ac23] ovl: Optimize override/revert creds determine whether the revision contains the guilty commit revision 1f440397665f4241346e4cc6d93f8b73880815d1 crashed and is reachable testing commit c5b28fc161c5402da2e10cc11637c2dff727ac23 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df28bb7a85600cbc7d85e426bafe0f47b65f0c0d1c65100a3d53c0fd338a840e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good c5b28fc161c5402da2e10cc11637c2dff727ac23 Bisecting: 3 revisions left to test after this (roughly 2 steps) [4333e42ed44448898a31665339702591284d1698] ovl: convert ovl_real_fdget_path() callers to ovl_real_file_path() determine whether the revision contains the guilty commit revision 1f440397665f4241346e4cc6d93f8b73880815d1 crashed and is reachable testing commit 4333e42ed44448898a31665339702591284d1698 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c5c3994c3e988b98e8bdc6c45fa390210f75fb75d19c7c66cf28f6f3c1f3e040 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good 4333e42ed44448898a31665339702591284d1698 Bisecting: 1 revision left to test after this (roughly 1 step) [c8b359dddb418c60df1a69beea01d1b3322bfe83] ovl: Filter invalid inodes with missing lookup function determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit c8b359dddb418c60df1a69beea01d1b3322bfe83 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb14f780af5c51fd65fc307efa4f6d2c36ec7fe6a8f40211352b06a5fb4ff5af all runs: OK false negative chance: 0.000 # git bisect bad c8b359dddb418c60df1a69beea01d1b3322bfe83 Bisecting: 0 revisions left to test after this (roughly 0 steps) [d66907b51ba07450bf9c6fb94364e3bf3f5e4c04] ovl: convert ovl_real_fdget() callers to ovl_real_file() determine whether the revision contains the guilty commit revision b3ce7a30847a54a7f96a35e609303d8afecd460b crashed and is reachable testing commit d66907b51ba07450bf9c6fb94364e3bf3f5e4c04 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e5eedb27a7dea8f045815b989105a6e2268d2ee88398af1d8587402c2c6d397 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow representative crash: BUG: unable to handle kernel NULL pointer dereference in __lookup_slow, types: [UNKNOWN] # git bisect good d66907b51ba07450bf9c6fb94364e3bf3f5e4c04 c8b359dddb418c60df1a69beea01d1b3322bfe83 is the first bad commit commit c8b359dddb418c60df1a69beea01d1b3322bfe83 Author: Vasiliy Kovalev Date: Tue Nov 19 18:58:17 2024 +0300 ovl: Filter invalid inodes with missing lookup function Add a check to the ovl_dentry_weird() function to prevent the processing of directory inodes that lack the lookup function. This is important because such inodes can cause errors in overlayfs when passed to the lowerstack. Reported-by: syzbot+a8c9d476508bd14a90e5@syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?extid=a8c9d476508bd14a90e5 Suggested-by: Miklos Szeredi Link: https://lore.kernel.org/linux-unionfs/CAJfpegvx-oS9XGuwpJx=Xe28_jzWx5eRo1y900_ZzWY+=gGzUg@mail.gmail.com/ Signed-off-by: Vasiliy Kovalev Cc: Signed-off-by: Amir Goldstein fs/overlayfs/util.c | 3 +++ 1 file changed, 3 insertions(+) accumulated error probability: 0.00 culprit signature: fb14f780af5c51fd65fc307efa4f6d2c36ec7fe6a8f40211352b06a5fb4ff5af parent signature: 8e5eedb27a7dea8f045815b989105a6e2268d2ee88398af1d8587402c2c6d397 revisions tested: 27, total time: 8h0m42.033955444s (build: 4h35m46.899000626s, test: 3h7m47.220144855s) first good commit: c8b359dddb418c60df1a69beea01d1b3322bfe83 ovl: Filter invalid inodes with missing lookup function recipients (to): ["amir73il@gmail.com" "kovalev@altlinux.org"] recipients (cc): []