ci2 starts bisection 2024-10-13 23:57:47.197283346 +0000 UTC m=+183415.104072028
bisecting cause commit starting from 36c254515dc6592c44db77b84908358979dd6b50
building syzkaller on 084d817847fa603dabdd081770a757e9c41f1ae7
ensuring issue is reproducible on original commit 36c254515dc6592c44db77b84908358979dd6b50

testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5b38af1ac3c1cbcaf7d022ce2281e8b94953580b05b99799e020db02dc54e0cb
run #0: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #10: crashed: KASAN: slab-out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #11: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #12: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #13: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #14: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #15: crashed: KASAN: slab-out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #16: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #17: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #18: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #19: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2f7f247d8014c698f52464e393941858d4a08aa3d3a1385e3a4203d77daeb7cf
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=4037 full=8185 leaves diff=2111
split chunks (needed=false): <2111>
split chunk #0 of len 2111 into 5 parts
testing without sub-chunk 1/5
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b5193d595ff82618d5fbb3c4ad40cd216064c12d1d0066c4fe0620d13f34bceb
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 19fdcfdb28a4049581d53cfc8eb1ff530e86454ef615b17c9fc720fee89d4149
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5a5826e086c0bff2a9b80d4dcc08897199a6b7f006ea04be9bbf989feb803695
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3d0a23a2849d603c65c15a9bb60720b73b435eead0f3d4cc6ac90068e1707a8c
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 36c254515dc6592c44db77b84908358979dd6b50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building 36c254515dc6592c44db77b84908358979dd6b50: drivers/gpu/drm/bridge/aux-bridge.c:115: undefined reference to `devm_drm_of_get_bridge'
minimized to 842 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON FB GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IOMMUFD IP_SCTP IRQ_REMAP KVM KVM_INTEL L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 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 NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF 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_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE 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 PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 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 REGMAP_SPI 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 SCREEN_INFO 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 SECURITY_SMACK_NETFILTER SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS 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_FAST_LOOKUP SND_CTL_LED 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_HDA_SCODEC_COMPONENT 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_UMP_CLIENT SND_SEQ_VIRMIDI SND_SOC SND_SOC_I2C_AND_SPI SND_SUPPORT_OLD_API SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 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_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI 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 STEAM_FF STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB 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 TAP TARGET_CORE 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 TEE 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_TOE TMPFS_QUOTA 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 TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_GPIO_SBU TYPEC_MUX_INTEL_PMC TYPEC_MUX_NB7VPQ904M TYPEC_MUX_PTN36502 TYPEC_MUX_WCD939X_USBSS TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 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 UCSI_STM32G0 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_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS2_UDC USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_NPCM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM 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_CONFIGFS_F_MIDI2 USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_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 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USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT 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VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA Z3FOLD Z3FOLD_DEPRECATED ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_Z3FOLD_DEPRECATED]
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags
testing release v6.11
testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2f4462676adea408f93a1c3dc10bd7e96dea6bdf8834e2ea430848678e4172e5
all runs: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cffc0a8c22ce45ccc9e7ebaac8b11ceb9feebdd59884589a9baa9e787e01631f
all runs: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v6.9
testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 90a32bce975338b232b58c64c196baa21e7a36acdf4f9b77056c107cf3076ffa
all runs: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v6.7
testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 69a1be51ac5ef506cf6c59764ea497e164e74338809959c242ff7374074d05e8
all runs: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v6.5
testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building 2dde18cd1d8fac735875f2e4987f11817cc0bc2c: drivers/usb/typec/mux/nb7vpq904m.c:310: undefined reference to `devm_drm_of_get_bridge'
testing release v6.3
testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9f6be182a234dae48184f483fabc002bc0be64f014942872bcdc010aa5bfe068
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f4e9356db1ab2e267bc43358ade4f717d8f0c61f649b86a36c20e0e9dfd3d9b4
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v5.19
testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b390121270d8108fc97c204db2f14919d3f80b8142708804b80bdea30d0e191a
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v5.16
testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d0842adde39a7e0efb32e474e881460a66413f93532abd5c730d40fdda20d33d
run #0: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fbf03f98abd9ad421c8806ff4a0c448e57aa524b0e63c6f642f3b894eb5e695a
all runs: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: de40b5f3829c3089f6d239e738a82bf539d496173758e28b01daf5b1481d2079
run #0: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #1: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #2: crashed: KASAN: slab-out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #3: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #4: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #5: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #6: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #7: crashed: KASAN: use-after-free Read in ocfs2_reserve_suballoc_bits
run #8: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
run #9: crashed: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits
representative crash: KASAN: out-of-bounds Read in ocfs2_reserve_suballoc_bits, types: [KASAN]
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc
compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 660abd5da22f588e04e57900e12eafe3d3a430bea33233820b8acb278ed42d1b
run #0: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #1: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #2: crashed: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
run #3: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #4: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #5: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #6: crashed: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
run #7: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #8: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #9: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
representative crash: KASAN: use-after-free Read in ocfs2_block_group_alloc, types: [KASAN]
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2248ee662efae1516dafa84fa0ea98cf2790a165be8d1efef9c45c3f4c2efbf4
run #0: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #1: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #2: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #3: crashed: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
run #4: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #5: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #6: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #7: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #8: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #9: crashed: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
representative crash: KASAN: use-after-free Read in ocfs2_block_group_alloc, types: [KASAN]
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4ffbe4821fdeb30d8da3f2a8a101bff6d56409da3bd9f346446162e27ff6e87e
all runs: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
representative crash: KASAN: use-after-free Read in ocfs2_block_group_alloc, types: [KASAN]
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6bdbb48030dc333ad9f4918320d6b677e9aa9fa6ed075d5a318c287015fdf685
run #0: crashed: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
run #1: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #2: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #3: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #4: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #5: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #6: crashed: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
run #7: crashed: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
run #8: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
run #9: crashed: KASAN: use-after-free Read in ocfs2_block_group_alloc
representative crash: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc, types: [KASAN]
crash still not fixed/happens on the oldest tested release
revisions tested: 20, total time: 5h33m7.37898598s (build: 3h45m17.463322611s, test: 1h35m36.905760166s)
oldest tested release already had the bug or it had kernel test errors
commit msg: Linux 4.19
crash: KASAN: slab-out-of-bounds Read in ocfs2_block_group_alloc
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
==================================================================
BUG: KASAN: slab-out-of-bounds in ocfs2_find_smallest_chain fs/ocfs2/suballoc.c:425 [inline]
BUG: KASAN: slab-out-of-bounds in ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:442 [inline]
BUG: KASAN: slab-out-of-bounds in ocfs2_block_group_alloc+0x1698/0x1c90 fs/ocfs2/suballoc.c:711
Read of size 4 at addr ffff8800b422f034 by task syz.0.15/4303

CPU: 0 PID: 4303 Comm: syz.0.15 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x10c/0x17a lib/dump_stack.c:113
 print_address_description.cold.6+0x9/0x244 mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report mm/kasan/report.c:412 [inline]
 kasan_report.cold.7+0x242/0x305 mm/kasan/report.c:396
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432
 ocfs2_find_smallest_chain fs/ocfs2/suballoc.c:425 [inline]
 ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:442 [inline]
 ocfs2_block_group_alloc+0x1698/0x1c90 fs/ocfs2/suballoc.c:711
 ocfs2_reserve_suballoc_bits+0x3da/0xc80 fs/ocfs2/suballoc.c:844
 ocfs2_reserve_new_metadata_blocks+0x522/0x950 fs/ocfs2/suballoc.c:994
 ocfs2_mknod+0xd3a/0x1d00 fs/ocfs2/namei.c:356
 ocfs2_create+0xe0/0x390 fs/ocfs2/namei.c:680
 lookup_open+0x78b/0x1d20 fs/namei.c:3234
 do_last fs/namei.c:3324 [inline]
 path_openat+0xde7/0x2870 fs/namei.c:3534
 do_filp_open+0x177/0x250 fs/namei.c:3564
 do_sys_open+0x1dc/0x350 fs/open.c:1063
 __do_sys_open fs/open.c:1081 [inline]
 __se_sys_open fs/open.c:1076 [inline]
 __x64_sys_open+0x79/0xb0 fs/open.c:1076
 do_syscall_64+0xd0/0x340 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f663dc1fff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f663d6a1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f663ddd7f80 RCX: 00007f663dc1fff9
RDX: 0000000000000000 RSI: 0000000004008040 RDI: 0000000020000200
RBP: 00007f663dc92296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f663ddd7f80 R15: 00007ffe427b6ae8

Allocated by task 4045:
 save_stack mm/kasan/kasan.c:448 [inline]
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc.part.1+0x62/0xf0 mm/kasan/kasan.c:553
 kasan_kmalloc+0xaf/0xc0 mm/kasan/kasan.c:538
 kasan_slab_alloc+0x11/0x20 mm/kasan/kasan.c:490
 slab_post_alloc_hook mm/slab.h:444 [inline]
 slab_alloc_node mm/slub.c:2706 [inline]
 slab_alloc mm/slub.c:2714 [inline]
 kmem_cache_alloc+0xdc/0x230 mm/slub.c:2719
 kmem_cache_zalloc include/linux/slab.h:697 [inline]
 fill_pool lib/debugobjects.c:134 [inline]
 __debug_object_init+0x801/0xda0 lib/debugobjects.c:380
 debug_object_init+0x16/0x20 lib/debugobjects.c:432
 debug_hrtimer_init kernel/time/hrtimer.c:410 [inline]
 debug_init kernel/time/hrtimer.c:458 [inline]
 hrtimer_init+0x26/0x1b0 kernel/time/hrtimer.c:1308
 copy_signal kernel/fork.c:1499 [inline]
 copy_process.part.4+0x1e8b/0x6e80 kernel/fork.c:1866
 copy_process kernel/fork.c:1664 [inline]
 _do_fork+0x159/0x920 kernel/fork.c:2166
 __do_sys_clone kernel/fork.c:2273 [inline]
 __se_sys_clone kernel/fork.c:2267 [inline]
 __x64_sys_clone+0xba/0x140 kernel/fork.c:2267
 do_syscall_64+0xd0/0x340 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Freed by task 0:
(stack is not available)

The buggy address belongs to the object at ffff8800b422f000
 which belongs to the cache debug_objects_cache of size 40
The buggy address is located 12 bytes to the right of
 40-byte region [ffff8800b422f000, ffff8800b422f028)
The buggy address belongs to the page:
page:ffffea0002d08bc0 count:1 mapcount:0 mapping:ffff88013bfce400 index:0x0
flags: 0xfff00000000100(slab)
raw: 00fff00000000100 dead000000000100 dead000000000200 ffff88013bfce400
raw: 0000000000000000 0000000000490049 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page allocated via order 0, migratetype Unmovable, gfp_mask 0x4a1220(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL)
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook mm/page_alloc.c:1906 [inline]
 prep_new_page mm/page_alloc.c:1914 [inline]
 get_page_from_freelist+0x2c68/0x41c0 mm/page_alloc.c:3345
 __alloc_pages_nodemask+0x390/0x2380 mm/page_alloc.c:4370
 alloc_pages_current+0xfd/0x290 mm/mempolicy.c:2093
 alloc_pages include/linux/gfp.h:509 [inline]
 alloc_slab_page mm/slub.c:1438 [inline]
 allocate_slab mm/slub.c:1583 [inline]
 new_slab+0x49d/0x7f0 mm/slub.c:1654
 new_slab_objects mm/slub.c:2417 [inline]
 ___slab_alloc+0x5b3/0x8e0 mm/slub.c:2569
 __slab_alloc.isra.22+0x6a/0xa0 mm/slub.c:2609
 slab_alloc_node mm/slub.c:2672 [inline]
 slab_alloc mm/slub.c:2714 [inline]
 kmem_cache_alloc+0x1ef/0x230 mm/slub.c:2719
 kmem_cache_zalloc include/linux/slab.h:697 [inline]
 fill_pool lib/debugobjects.c:134 [inline]
 __debug_object_init+0x801/0xda0 lib/debugobjects.c:380
 debug_object_init+0x16/0x20 lib/debugobjects.c:432
 debug_hrtimer_init kernel/time/hrtimer.c:410 [inline]
 debug_init kernel/time/hrtimer.c:458 [inline]
 hrtimer_init+0x26/0x1b0 kernel/time/hrtimer.c:1308
 copy_signal kernel/fork.c:1499 [inline]
 copy_process.part.4+0x1e8b/0x6e80 kernel/fork.c:1866
 copy_process kernel/fork.c:1664 [inline]
 _do_fork+0x159/0x920 kernel/fork.c:2166
 __do_sys_clone kernel/fork.c:2273 [inline]
 __se_sys_clone kernel/fork.c:2267 [inline]
 __x64_sys_clone+0xba/0x140 kernel/fork.c:2267
 do_syscall_64+0xd0/0x340 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Memory state around the buggy address:
 ffff8800b422ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8800b422ef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8800b422f000: 00 00 00 00 00 fc fc 00 00 00 00 00 fc fc 00 00
                                     ^
 ffff8800b422f080: 00 00 00 fc fc 00 00 00 00 00 fc fc 00 00 00 00
 ffff8800b422f100: 00 fc fc 00 00 00 00 00 fc fc 00 00 00 00 00 fc
==================================================================