ci2 starts bisection 2025-08-23 20:55:37.176328637 +0000 UTC m=+149486.939491598 bisecting cause commit starting from 6debb69041724bae8a8a4d0ac60502754c1cd945 building syzkaller on bf27483f963359281b2d9b6d6efd36289f82e282 ensuring issue is reproducible on original commit 6debb69041724bae8a8a4d0ac60502754c1cd945 testing commit 6debb69041724bae8a8a4d0ac60502754c1cd945 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 878deee248c76cd7b83329133f794e3f3ee2f855d1c58f5d5b0fe193e822e323 run #0: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #1: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #3: crashed: WARNING: locking bug in igrab run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #6: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #7: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #8: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #9: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #10: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #11: crashed: general protection fault in igrab run #12: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #13: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #14: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #15: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #16: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #17: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #18: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #19: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode, types: [KASAN-READ KASAN-USE-AFTER-FREE-READ] check whether we can drop unnecessary instrumentation disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit 6debb69041724bae8a8a4d0ac60502754c1cd945 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: f3fecf68e6922ebf10cebe4d97a743c6f416ccd60151f16aa32b0270306c508f run #0: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #1: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #2: crashed: BUG: unable to handle kernel paging request in igrab run #3: crashed: general protection fault in igrab run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: general protection fault in igrab run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #8: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: use-after-free Read in ocfs2_get_system_file_inode, types: [KASAN-USE-AFTER-FREE-READ DoS] the bug reproduces without the instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed kconfig minimization: base=4092 full=8349 leaves diff=2173 split chunks (needed=false): <2173> split chunk #0 of len 2173 into 5 parts testing without sub-chunk 1/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 6debb69041724bae8a8a4d0ac60502754c1cd945 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: f53daada0eb2fb4cc62dbc386c0a619edb52c377576153e6c7937e9d7abcd53c run #0: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #1: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: general protection fault in igrab run #6: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #7: crashed: general protection fault in igrab run #8: crashed: KASAN: slab-out-of-bounds Read in igrab run #9: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode, types: [KASAN-READ DoS] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit 6debb69041724bae8a8a4d0ac60502754c1cd945 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 81a2d73317c9d8cbecd2c776ce296ce3e4271509d528c6ba38f2f236c721c320 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 6debb69041724bae8a8a4d0ac60502754c1cd945 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 71c58c1b449f0a977d8b1d62d631a02234ce4a5db2066d6502ec43044ba4f041 run #0: crashed: general protection fault in igrab run #1: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: slab-out-of-bounds Read in igrab run #3: crashed: KASAN: slab-out-of-bounds in ocfs2_get_system_file_inode run #4: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #6: crashed: KASAN: slab-out-of-bounds in ocfs2_get_system_file_inode run #7: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #8: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-out-of-bounds Read in igrab, types: [KASAN-READ KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed testing commit 6debb69041724bae8a8a4d0ac60502754c1cd945 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: bce3cac342fc59d68ec1f8bbb41a10f641b69d08da541a9eb2304684f1ef7aa3 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit 6debb69041724bae8a8a4d0ac60502754c1cd945 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 2b0f7549b5f1cf7237419814d6c95b68189819d8aaaaad2c775fa85d385e35a7 run #0: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #1: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: general protection fault in igrab run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #8: crashed: general protection fault in igrab run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] the chunk can be dropped minimized to 870 configs; suspects: [6LOWPAN AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM AX25 BLK_DEV_ZONED BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 CHARGER_BQ24190 CMA COMMON_CLK DAX DEV_COREDUMP DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_CMA_LEGACY DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT 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_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_KMS_HELPER DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_SYSFB_HELPER DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX 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_CXUSB_ANALOG 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 EFS_FS ENCRYPTED_KEYS EPROBE_EVENTS 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 EXTCON_PTN5150 EXTCON_USBC_TUSB320 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_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT 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_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK 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 GENDWARFKSYMS GENERIC_IRQ_ENTRY GENERIC_PHY GENERIC_SYSCALL GENEVE GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIOLIB_LEGACY GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GROUP_SCHED_BANDWIDTH GTP GUEST_PERF_EVENTS HAMRADIO HAS_LTO_CLANG HAVE_ARCH_KSTACK_ERASE HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK 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_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM 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_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_DRAGONRISE HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NINTENDO HID_NTI HID_NVIDIA_SHIELD HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PLAYSTATION HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE 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_SIGMAMICRO HID_SMARTJOYPLUS HID_SPEEDLINK HID_STEAM HID_STEELSERIES HID_THINGM HID_THRUSTMASTER HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA 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_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 INFINIBAND_VIRT_DMA INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_TABLET INPUT_TOUCHSCREEN INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST 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_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_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_TARGET_ECN IP_NF_TARGET_SYNPROXY IP_ROUTE_CLASSID IP_SCTP IRQ_TIME_ACCOUNTING L2TP LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MAC802154 MEDIA_COMMON_OPTIONS 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 MODVERSIONS MPTCP MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 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 NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY 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 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 PREEMPT_RT PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RAS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A 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 SMB_SERVER 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_ALC260 SND_HDA_CODEC_ALC262 SND_HDA_CODEC_ALC268 SND_HDA_CODEC_ALC269 SND_HDA_CODEC_ALC662 SND_HDA_CODEC_ALC680 SND_HDA_CODEC_ALC861 SND_HDA_CODEC_ALC861VD SND_HDA_CODEC_ALC880 SND_HDA_CODEC_ALC882 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_CS420X SND_HDA_CODEC_CS421X SND_HDA_CODEC_HDMI SND_HDA_CODEC_HDMI_ATI SND_HDA_CODEC_HDMI_GENERIC SND_HDA_CODEC_HDMI_INTEL SND_HDA_CODEC_HDMI_NVIDIA SND_HDA_CODEC_HDMI_NVIDIA_MCP SND_HDA_CODEC_HDMI_SIMPLE SND_HDA_CODEC_HDMI_TEGRA SND_HDA_CODEC_REALTEK SND_HDA_CODEC_REALTEK_LIB SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP 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_ELD 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_SOC SND_SOC_I2C_AND_SPI SND_SOC_SDCA_OPTIONAL 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 SURFACE_AGGREGATOR SURFACE_AGGREGATOR_BUS SURFACE_AGGREGATOR_REGISTRY SURFACE_HID SURFACE_HID_CORE SURFACE_KBD SW_SYNC SYSFB SYSFS_SYSCALL SYSV68_PARTITION TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT 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 THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOOLS_SUPPORT_RELR 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 TRACEFS_AUTOMOUNT_DEPRECATED TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK 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_PI3USB30532 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_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS VIDEO_DEV VIRTIO_FS VXLAN WAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags testing release v6.16 testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 03e40c7823e4f154ae13afd36c11b5e53beb408597917f29bf9aba38c4b76176 run #0: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #1: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #8: crashed: invalid opcode in ocfs2_get_system_file_inode run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 286954c38343b6f8a0012e71629b75c216fe180a45e97f7525b2df51a7d4be6b run #0: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #1: crashed: BUG: unable to handle kernel paging request in igrab run #2: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #8: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #9: crashed: KASAN: use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] testing release v6.14 testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: d7055cf2d4911bc85573bf3712c8c5245ff85a31bc56ab3887b4dd596ea05c9f all runs: OK false negative chance: 0.000 # git bisect start 0ff41df1cb268fc69e703a08a57ee14ae967d0ca 38fec10eb60d687e30c8c6b5420d86e8149f7557 Bisecting: 8357 revisions left to test after this (roughly 13 steps) [390513642ee6763c7ada07f0a1470474986e6c1c] io_uring: always do atomic put from iowq testing commit 390513642ee6763c7ada07f0a1470474986e6c1c gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: d8d005de89b61be87de69a0b1aeef9cbe6b48c8ef5b394d609056db2dceff395 all runs: OK false negative chance: 0.000 # git bisect good 390513642ee6763c7ada07f0a1470474986e6c1c Bisecting: 4194 revisions left to test after this (roughly 12 steps) [eb0ece16027f8223d5dc9aaf90124f70577bd22a] Merge tag 'mm-stable-2025-03-30-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit eb0ece16027f8223d5dc9aaf90124f70577bd22a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: fd38edd212f79e916328c77cca1b5b8ab7faf8fab02cd909c373920dde933bd6 all runs: OK false negative chance: 0.000 # git bisect good eb0ece16027f8223d5dc9aaf90124f70577bd22a Bisecting: 2091 revisions left to test after this (roughly 11 steps) [ff885625298f83785b7db1b95af051a080aab7b4] Merge tag 'block-6.15-20250411' of git://git.kernel.dk/linux testing commit ff885625298f83785b7db1b95af051a080aab7b4 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: fab6369578d77a795ccf5e20b4b82045e99274354a370b88ba70507dfaa43383 all runs: OK false negative chance: 0.000 # git bisect good ff885625298f83785b7db1b95af051a080aab7b4 Bisecting: 1045 revisions left to test after this (roughly 10 steps) [4397684a292a71fbc1e815c3e283f7490ddce5ae] virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable() testing commit 4397684a292a71fbc1e815c3e283f7490ddce5ae gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: a4355f54d14413f86d997c4d073113f731538119a112bde8223670e23a918c0f all runs: OK false negative chance: 0.000 # git bisect good 4397684a292a71fbc1e815c3e283f7490ddce5ae Bisecting: 522 revisions left to test after this (roughly 9 steps) [a833a693a490ecff8ba377654c6d4d333718b6b1] mm: hugetlb: fix incorrect fallback for subpool testing commit a833a693a490ecff8ba377654c6d4d333718b6b1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 06ce8e226b19ea71873db427fa45e56a9b8f58797f33f5194c04a844dffed723 run #0: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #1: crashed: BUG: unable to handle kernel paging request in assign_lock_key run #2: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #7: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #8: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #9: crashed: general protection fault in igrab representative crash: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode, types: [KASAN-READ KASAN-USE-AFTER-FREE-READ] # git bisect bad a833a693a490ecff8ba377654c6d4d333718b6b1 Bisecting: 231 revisions left to test after this (roughly 8 steps) [2c89c1b655c0b06823f4ee8b055140d8628fc4da] Merge tag 'net-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 2c89c1b655c0b06823f4ee8b055140d8628fc4da gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 66d9e31f17059a70950ffc95fd51730a1066bc65f54f1772e7f14cf2070694dd all runs: OK false negative chance: 0.000 # git bisect good 2c89c1b655c0b06823f4ee8b055140d8628fc4da Bisecting: 102 revisions left to test after this (roughly 7 steps) [914a1fe5f818bff5abb0e792bc0addf0c7c274f4] Merge tag 'char-misc-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc testing commit 914a1fe5f818bff5abb0e792bc0addf0c7c274f4 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 946fa136fe0361a94f2bf2fa717a019663664776448d7ddf036857574731cd56 all runs: OK false negative chance: 0.000 # git bisect good 914a1fe5f818bff5abb0e792bc0addf0c7c274f4 Bisecting: 51 revisions left to test after this (roughly 6 steps) [f717acc6e9977287641c84af4e397754c8403838] Merge tag 'fixes-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock testing commit f717acc6e9977287641c84af4e397754c8403838 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 549deaa625a7b65499f669a5b72d2ac7b5fa1a65ebbbbdc39101c46a1cdd042b run #0: crashed: general protection fault in igrab run #1: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #4: crashed: general protection fault in igrab run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #8: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode, types: [KASAN-READ KASAN-USE-AFTER-FREE-READ] # git bisect bad f717acc6e9977287641c84af4e397754c8403838 Bisecting: 25 revisions left to test after this (roughly 5 steps) [345030986df8f7712f9e4c00fe61e145c8984ef3] Merge tag 'driver-core-6.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core testing commit 345030986df8f7712f9e4c00fe61e145c8984ef3 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: ef747d9c62662d23e3d4a9e703bf89e20ae19c069a51f729b505bcf43c021513 all runs: OK false negative chance: 0.000 # git bisect good 345030986df8f7712f9e4c00fe61e145c8984ef3 Bisecting: 12 revisions left to test after this (roughly 4 steps) [8f947e0fd595951460f5a6e1ac29baa82fa02eab] ocfs2: implement handshaking with ocfs2 recovery thread testing commit 8f947e0fd595951460f5a6e1ac29baa82fa02eab gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 4f861efb773977467e8a1bd6c2c172412dadd91947f793248e0d79db59084bc1 run #0: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #1: crashed: general protection fault in igrab run #2: crashed: general protection fault in igrab run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: general protection fault in igrab run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #8: crashed: BUG: unable to handle kernel paging request in igrab run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode, types: [KASAN-USE-AFTER-FREE-READ DoS] # git bisect bad 8f947e0fd595951460f5a6e1ac29baa82fa02eab Bisecting: 6 revisions left to test after this (roughly 3 steps) [31d4cd4eb2f8d9b87ebfa6a5e443a59e3b3d7b8c] ocfs2: fix panic in failed foilio allocation testing commit 31d4cd4eb2f8d9b87ebfa6a5e443a59e3b3d7b8c gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: f9025af505ce81183e2d9359277a25fb42b9699f0687cf71c9ca91a8156eecfa run #0: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #1: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: BUG: unable to handle kernel paging request in igrab run #6: crashed: KASAN: global-out-of-bounds Read in igrab run #7: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #8: crashed: general protection fault in igrab run #9: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] # git bisect bad 31d4cd4eb2f8d9b87ebfa6a5e443a59e3b3d7b8c Bisecting: 2 revisions left to test after this (roughly 2 steps) [00a241f528427b63c415a410293b86e66098888e] x86: disable image size check for test builds testing commit 00a241f528427b63c415a410293b86e66098888e gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 6eaca840417c511249bd8ef55f63323acfe74aa07842a7ef4ab0f1a5c16ea56c run #0: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #1: crashed: general protection fault in igrab run #2: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #3: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #4: crashed: KASAN: global-out-of-bounds Read in igrab run #5: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #6: crashed: general protection fault in igrab run #7: crashed: BUG: unable to handle kernel paging request in igrab run #8: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #9: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ DoS] # git bisect bad 00a241f528427b63c415a410293b86e66098888e Bisecting: 0 revisions left to test after this (roughly 1 step) [bd1261b16d9131d79723d982d54295e7f309797a] ocfs2: fix the issue with discontiguous allocation in the global_bitmap testing commit bd1261b16d9131d79723d982d54295e7f309797a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 811e0c5f3181cfedf095b5fda36f103746cebd733afb9d6e827ca68a5bf2b561 run #0: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #1: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #2: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #3: crashed: general protection fault in igrab run #4: crashed: KASAN: slab-use-after-free Read in ocfs2_get_system_file_inode run #5: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #6: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode run #7: crashed: general protection fault in igrab run #8: crashed: general protection fault in igrab run #9: crashed: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode representative crash: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode, types: [KASAN-READ KASAN-USE-AFTER-FREE-READ DoS] # git bisect bad bd1261b16d9131d79723d982d54295e7f309797a Bisecting: 0 revisions left to test after this (roughly 0 steps) [df84d2fd35c6f2d6b2241e47f26e1829eab26186] mailmap: add entries for Lance Yang testing commit df84d2fd35c6f2d6b2241e47f26e1829eab26186 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 8bceec2529f4c910d735953a56ad73d44e4501260e2ac0322c342226cff34683 all runs: OK false negative chance: 0.000 # git bisect good df84d2fd35c6f2d6b2241e47f26e1829eab26186 bd1261b16d9131d79723d982d54295e7f309797a is the first bad commit commit bd1261b16d9131d79723d982d54295e7f309797a Author: Heming Zhao Date: Mon Apr 14 14:01:23 2025 +0800 ocfs2: fix the issue with discontiguous allocation in the global_bitmap commit 4eb7b93e0310 ("ocfs2: improve write IO performance when fragmentation is high") introduced another regression. The following ocfs2-test case can trigger this issue: > discontig_runner.sh => activate_discontig_bg.sh => resv_unwritten: > ${RESV_UNWRITTEN_BIN} -f ${WORK_PLACE}/large_testfile -s 0 -l \ > $((${FILE_MAJOR_SIZE_M}*1024*1024)) In my env, test disk size (by "fdisk -l "): > 53687091200 bytes, 104857600 sectors. Above command is: > /usr/local/ocfs2-test/bin/resv_unwritten -f \ > /mnt/ocfs2/ocfs2-activate-discontig-bg-dir/large_testfile -s 0 -l \ > 53187969024 Error log: > [*] Reserve 50724M space for a LARGE file, reserve 200M space for future test. > ioctl error 28: "No space left on device" > resv allocation failed Unknown error -1 > reserve unwritten region from 0 to 53187969024. Call flow: __ocfs2_change_file_space //by ioctl OCFS2_IOC_RESVSP64 ocfs2_allocate_unwritten_extents //start:0 len:53187969024 while() + ocfs2_get_clusters //cpos:0, alloc_size:1623168 (cluster number) + ocfs2_extend_allocation + ocfs2_lock_allocators | + choose OCFS2_AC_USE_MAIN & ocfs2_cluster_group_search | + ocfs2_add_inode_data ocfs2_add_clusters_in_btree __ocfs2_claim_clusters ocfs2_claim_suballoc_bits + During the allocation of the final part of the large file (after ~47GB), no chain had the required contiguous bits_wanted. Consequently, the allocation failed. How to fix: When OCFS2 is encountering fragmented allocation, the file system should stop attempting bits_wanted contiguous allocation and instead provide the largest available contiguous free bits from the cluster groups. Link: https://lkml.kernel.org/r/20250414060125.19938-2-heming.zhao@suse.com Fixes: 4eb7b93e0310 ("ocfs2: improve write IO performance when fragmentation is high") Signed-off-by: Heming Zhao Reported-by: Gautham Ananthakrishna Reviewed-by: Joseph Qi Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Jun Piao Cc: Signed-off-by: Andrew Morton fs/ocfs2/suballoc.c | 38 ++++++++++++++++++++++++++++++++------ fs/ocfs2/suballoc.h | 1 + 2 files changed, 33 insertions(+), 6 deletions(-) accumulated error probability: 0.00 culprit signature: 811e0c5f3181cfedf095b5fda36f103746cebd733afb9d6e827ca68a5bf2b561 parent signature: 8bceec2529f4c910d735953a56ad73d44e4501260e2ac0322c342226cff34683 revisions tested: 24, total time: 6h31m59.483342146s (build: 3h19m20.670090031s, test: 2h52m39.913548572s) first bad commit: bd1261b16d9131d79723d982d54295e7f309797a ocfs2: fix the issue with discontiguous allocation in the global_bitmap recipients (to): ["akpm@linux-foundation.org" "heming.zhao@suse.com" "joseph.qi@linux.alibaba.com"] recipients (cc): [] crash: KASAN: slab-out-of-bounds Read in ocfs2_get_system_file_inode ================================================================== BUG: KASAN: slab-out-of-bounds in ocfs2_get_system_file_inode+0x179/0x630 fs/ocfs2/sysfile.c:102 Read of size 8 at addr ffff888035583f90 by task syz-executor/3556 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0xf4/0x170 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xca/0x220 mm/kasan/report.c:521 kasan_report+0x118/0x150 mm/kasan/report.c:634 ocfs2_get_system_file_inode+0x179/0x630 fs/ocfs2/sysfile.c:102 ocfs2_remove_inode fs/ocfs2/inode.c:661 [inline] ocfs2_wipe_inode fs/ocfs2/inode.c:832 [inline] ocfs2_delete_inode fs/ocfs2/inode.c:1093 [inline] ocfs2_evict_inode+0xe00/0x3030 fs/ocfs2/inode.c:1230 evict+0x3ed/0x8e0 fs/inode.c:810 d_delete_notify include/linux/fsnotify.h:402 [inline] vfs_rmdir+0x34f/0x400 fs/namei.c:4467 do_rmdir+0x212/0x4d0 fs/namei.c:4509 __do_sys_unlinkat fs/namei.c:4683 [inline] __se_sys_unlinkat fs/namei.c:4677 [inline] __x64_sys_unlinkat+0x92/0xb0 fs/namei.c:4677 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x180 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7943bae1c7 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 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:00007ffd9fc9fff8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f7943bae1c7 RDX: 0000000000000200 RSI: 00007ffd9fca11a0 RDI: 00000000ffffff9c RBP: 00007f7943c31c05 R08: 0000555574e6254b R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffd9fca11a0 R13: 00007f7943c31c05 R14: 0000000000014ee9 R15: 00007ffd9fca3360 Allocated by task 3508: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0x1dc/0x470 mm/slub.c:4339 kmalloc_noprof include/linux/slab.h:909 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] __register_sysctl_table+0x67/0x1270 fs/proc/proc_sysctl.c:1376 __devinet_sysctl_register+0x379/0x450 net/ipv4/devinet.c:2678 devinet_init_net+0x30c/0x720 net/ipv4/devinet.c:2807 ops_init+0x27f/0x3f0 net/core/net_namespace.c:138 setup_net+0x29f/0x6a0 net/core/net_namespace.c:364 copy_net_ns+0x289/0x470 net/core/net_namespace.c:518 create_new_namespaces+0x3b1/0x6b0 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xe0/0x120 kernel/nsproxy.c:228 ksys_unshare+0x3b6/0x720 kernel/fork.c:3375 __do_sys_unshare kernel/fork.c:3446 [inline] __se_sys_unshare kernel/fork.c:3444 [inline] __x64_sys_unshare+0x33/0x40 kernel/fork.c:3444 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x180 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 153: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x62/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2380 [inline] slab_free_freelist_hook mm/slub.c:2409 [inline] slab_free_bulk mm/slub.c:4666 [inline] kmem_cache_free_bulk+0x358/0x5b0 mm/slub.c:5243 kfree_bulk include/linux/slab.h:794 [inline] kvfree_rcu_bulk+0xc6/0x1a0 mm/slab_common.c:1516 kfree_rcu_work+0xed/0x160 mm/slab_common.c:1594 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0x987/0x12d0 kernel/workqueue.c:3319 worker_thread+0x850/0xc60 kernel/workqueue.c:3400 kthread+0x598/0x690 kernel/kthread.c:464 ret_from_fork+0x32/0x70 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Last potentially related work creation: kasan_save_stack+0x3e/0x60 mm/kasan/common.c:47 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:548 kvfree_call_rcu+0x66/0x380 mm/slab_common.c:1962 drop_sysctl_table+0x2ff/0x480 fs/proc/proc_sysctl.c:1518 unregister_sysctl_table+0x26/0x40 fs/proc/proc_sysctl.c:1539 __devinet_sysctl_unregister net/ipv4/devinet.c:2701 [inline] devinet_exit_net+0x195/0x240 net/ipv4/devinet.c:2864 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x6c9/0xa30 net/core/net_namespace.c:654 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0x987/0x12d0 kernel/workqueue.c:3319 worker_thread+0x850/0xc60 kernel/workqueue.c:3400 kthread+0x598/0x690 kernel/kthread.c:464 ret_from_fork+0x32/0x70 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff888035583000 which belongs to the cache kmalloc-cg-2k of size 2048 The buggy address is located 1936 bytes to the right of allocated 2048-byte region [ffff888035583000, ffff888035583800) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x35580 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x80000000000040(head|node=0|zone=1) page_type: f5(slab) raw: 0080000000000040 ffff88800ec4b3c0 ffffea0000693c00 dead000000000002 raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 0080000000000040 ffff88800ec4b3c0 ffffea0000693c00 dead000000000002 head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 head: 0080000000000003 ffffea0000d56001 00000000ffffffff 00000000ffffffff head: 00000007f8d06f17 0000000000000000 00000000ffffffff 0000000000000008 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2629, tgid 2629 (syz-executor), ts 39225590425, free_ts 38972629539 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x168/0x1a0 mm/page_alloc.c:1718 prep_new_page mm/page_alloc.c:1726 [inline] get_page_from_freelist+0x2856/0x28f0 mm/page_alloc.c:3688 __alloc_frozen_pages_noprof+0x26b/0x460 mm/page_alloc.c:4970 alloc_pages_mpol+0xcb/0x270 mm/mempolicy.c:2301 alloc_slab_page mm/slub.c:2450 [inline] allocate_slab+0x8a/0x350 mm/slub.c:2618 new_slab mm/slub.c:2672 [inline] ___slab_alloc+0x7fc/0xc60 mm/slub.c:3858 __slab_alloc mm/slub.c:3948 [inline] __slab_alloc_node mm/slub.c:4023 [inline] slab_alloc_node mm/slub.c:4184 [inline] __do_kmalloc_node mm/slub.c:4326 [inline] __kmalloc_node_track_caller_noprof+0x12c/0x480 mm/slub.c:4346 kmemdup_noprof+0x21/0x50 mm/util.c:137 kmemdup_noprof include/linux/fortify-string.h:765 [inline] neigh_sysctl_register+0x9a/0xa30 net/core/neighbour.c:3732 devinet_sysctl_register+0xa0/0x190 net/ipv4/devinet.c:2715 inetdev_init+0x232/0x3e0 net/ipv4/devinet.c:291 inetdev_event+0x3b7/0xf90 net/ipv4/devinet.c:1591 notifier_call_chain+0x12b/0x220 kernel/notifier.c:85 call_netdevice_notifiers_info net/core/dev.c:2176 [inline] call_netdevice_notifiers_extack net/core/dev.c:2214 [inline] call_netdevice_notifiers+0xc8/0x100 net/core/dev.c:2228 register_netdevice+0x1209/0x1680 net/core/dev.c:11047 register_netdev+0x25/0x40 net/core/dev.c:11126 page last free pid 2617 tgid 2617 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] free_unref_folios+0xc89/0x13f0 mm/page_alloc.c:2782 folios_put_refs+0x3ab/0x490 mm/swap.c:992 free_pages_and_swap_cache+0x20d/0x3c0 mm/swap_state.c:267 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:397 [inline] tlb_flush_mmu+0x2ba/0x500 mm/mmu_gather.c:404 tlb_finish_mmu+0xaa/0x190 mm/mmu_gather.c:496 vms_clear_ptes+0x45e/0x5a0 mm/vma.c:1191 vms_complete_munmap_vmas+0x1ad/0x680 mm/vma.c:1233 do_vmi_align_munmap+0x308/0x350 mm/vma.c:1492 do_vmi_munmap+0x192/0x210 mm/vma.c:1540 __vm_munmap+0x1bc/0x330 mm/vma.c:3013 __do_sys_munmap mm/mmap.c:1084 [inline] __se_sys_munmap mm/mmap.c:1081 [inline] __x64_sys_munmap+0x5b/0x70 mm/mmap.c:1081 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x180 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888035583e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888035583f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888035583f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888035584000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888035584080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================