ci2 starts bisection 2025-09-30 01:35:30.470942022 +0000 UTC m=+52787.147523097 bisecting fixing commit since 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 building syzkaller on e2f27c3515f1d25672dedf92071bf6d40f623969 ensuring issue is reproducible on original commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fdb91b139ef5038d115cea97a7b107e7dbd21f822473106e5ac8d66f3e082cac run #0: crashed: kernel panic: stack is corrupted in __schedule run #1: crashed: BUG: unable to handle kernel paging request in preempt_schedule_irq run #2: crashed: kernel panic: stack is corrupted in __schedule run #3: crashed: BUG: unable to handle kernel paging request in __schedule run #4: crashed: BUG: unable to handle kernel paging request in preempt_schedule_irq run #5: crashed: BUG: unable to handle kernel paging request in preempt_schedule_irq run #6: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #7: crashed: BUG: unable to handle kernel paging request in __schedule run #8: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #9: crashed: PANIC: double fault in __switch_to_asm run #10: crashed: kernel panic: stack is corrupted in __schedule run #11: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #12: crashed: BUG: unable to handle kernel paging request in preempt_schedule_irq run #13: crashed: BUG: unable to handle kernel paging request in preempt_schedule_irq run #14: crashed: BUG: unable to handle kernel paging request in preempt_schedule_irq run #15: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #16: crashed: kernel panic: stack is corrupted in __schedule run #17: crashed: BUG: unable to handle kernel paging request in preempt_schedule_irq run #18: crashed: kernel panic: stack is corrupted in __schedule run #19: crashed: kernel panic: stack is corrupted in __schedule representative crash: BUG: unable to handle kernel paging request in preempt_schedule_irq, types: [MEMORY_SAFETY_BUG DoS] check whether we can drop unnecessary instrumentation disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 94ebf788030407071e567e3fab23f0c24e94078274b3881b1a84529d49631aa6 run #0: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #1: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #2: crashed: kernel panic: stack is corrupted in __schedule run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in dump_page run #4: crashed: kernel panic: stack is corrupted in __schedule run #5: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in blk_mq_flush_plug_list run #7: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #8: crashed: kernel panic: stack is corrupted in lock_is_held_type run #9: crashed: WARNING: bad unlock balance in corrupted representative crash: invalid opcode in asm_sysvec_reschedule_ipi, types: [DoS NULL-POINTER-DEREFERENCE] the bug reproduces without the instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed kconfig minimization: base=3829 full=7502 leaves diff=2069 split chunks (needed=false): <2069> split chunk #0 of len 2069 into 5 parts testing without sub-chunk 1/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 38a621a560d65f0a213f8904bc553a9d6f5ceae826c41c0ec6a5ef006fefb33d run #0: crashed: kernel panic: stack is corrupted in lock_is_held_type run #1: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #2: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #3: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #4: crashed: kernel panic: stack is corrupted in __schedule run #5: crashed: kernel panic: stack is corrupted in __schedule run #6: crashed: invalid opcode in asm_sysvec_reschedule_ipi run #7: crashed: kernel panic: stack is corrupted in lock_is_held_type run #8: crashed: WARNING: bad unlock balance in corrupted run #9: OK representative crash: kernel panic: stack is corrupted in lock_is_held_type, types: [DoS] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f94e4a9db905ddffcd452e6ee596e130d53dd3fc294e4377b01a7e1339c939f9 run #0: crashed: general protection fault in release_pages run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: general protection fault in release_pages, types: [DoS] unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10 testing without sub-chunk 3/5 disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 293cc927361c4894d395e350983e6a6759d8c967a69f1b6ae8b7abeb8f59ebad run #0: crashed: general protection fault in __schedule run #1: crashed: general protection fault in __schedule run #2: crashed: general protection fault in __schedule run #3: crashed: general protection fault in __schedule run #4: crashed: general protection fault in update_load_avg run #5: crashed: kernel panic: stack is corrupted in __schedule run #6: crashed: general protection fault in __schedule run #7: crashed: kernel panic: stack is corrupted in __schedule run #8: crashed: general protection fault in __schedule run #9: crashed: general protection fault in __schedule representative crash: general protection fault in __schedule, types: [DoS] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e2eae8901dcc3e0bed7879b0452eab17b70277be423d8646a4f59aca644bd59d all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: caa36612c04d05a313bae7a741084df50ab5c4b77c8515ee26ab87c03a775bc2 run #0: crashed: general protection fault in __schedule run #1: crashed: general protection fault in __schedule run #2: crashed: general protection fault in put_prev_task_fair run #3: crashed: general protection fault in __schedule run #4: crashed: general protection fault in __schedule run #5: crashed: general protection fault in put_prev_task_fair run #6: crashed: general protection fault in __schedule run #7: crashed: general protection fault in put_prev_task_fair run #8: crashed: general protection fault in update_load_avg run #9: crashed: general protection fault in __schedule representative crash: general protection fault in __schedule, types: [DoS] the chunk can be dropped minimized to 828 configs; suspects: [6LOWPAN AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM AX25 BXT_WC_PMIC_OPREGION CFG80211 CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DRM DRM_PANEL DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VMWGFX DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_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 EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS 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_CMDLINE FB_DEFERRED_IO FB_NOTIFY FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FRONTSWAP FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY 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 GPIO_ACPI GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GUEST_PERF_EVENTS HAMRADIO 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_EVENTFD HAVE_KVM_IRQCHIP HAVE_KVM_IRQFD HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_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_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM 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_SCU_IPC INTEL_SOC_PMIC_BXTWC INTEL_SOC_PMIC_CHTWC INTERVAL_TREE IOMMU_SVA IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_PROTO_TCP 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 MPTCP MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NFT_FWD_NETDEV NF_TABLES NF_TABLES_NETDEV 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 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_POOL 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 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS 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_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 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 SENSORS_NZXT_SMART2 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 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_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_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 STAGING_MEDIA 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 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_TOE 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 TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE 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_INTEL_PMC TYPEC_MUX_PI3USB30532 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_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_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIRTIO_FS VXLAN WAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing current HEAD 7b34dc04e4ff0f37ba4ad8414f42abae9f8f68e4 testing commit 7b34dc04e4ff0f37ba4ad8414f42abae9f8f68e4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 128302bbd87251d5534e41238a11008d6e343feac64c16d4ee200bf8adc73f93 all runs: OK false negative chance: 0.000 # git bisect start 7b34dc04e4ff0f37ba4ad8414f42abae9f8f68e4 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 Bisecting: 965 revisions left to test after this (roughly 10 steps) [7cd4940a8fe7e3853dbfff9e7a4c8888c51ba900] ARM: dts: vfxxx: Correctly use two tuples for timer address determine whether the revision contains the guilty commit revision 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 crashed and is reachable testing commit 7cd4940a8fe7e3853dbfff9e7a4c8888c51ba900 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 59fbccf9ac94781b6b30c85858edb6d3e441a01b2675ca955e763c23c28fc3f1 run #0: crashed: general protection fault in __schedule run #1: crashed: general protection fault in put_prev_task_fair run #2: crashed: general protection fault in put_prev_task_fair run #3: crashed: general protection fault in put_prev_task_fair run #4: crashed: general protection fault in __schedule run #5: crashed: general protection fault in put_prev_task_fair run #6: crashed: general protection fault in update_load_avg run #7: crashed: general protection fault in __schedule run #8: crashed: general protection fault in __schedule run #9: crashed: general protection fault in __schedule representative crash: general protection fault in __schedule, types: [DoS] # git bisect good 7cd4940a8fe7e3853dbfff9e7a4c8888c51ba900 Bisecting: 482 revisions left to test after this (roughly 9 steps) [4626469e5ee3f1458f8169a80c391432006f6578] mtd: spi-nor: Fix spi_nor_try_unlock_all() determine whether the revision contains the guilty commit revision 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 crashed and is reachable testing commit 4626469e5ee3f1458f8169a80c391432006f6578 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 91036e606bcd489686c0ecc1be9db5e94c3774d82323b10429b212ff0d33a041 run #0: crashed: general protection fault in update_load_avg run #1: crashed: general protection fault in __schedule run #2: crashed: general protection fault in update_load_avg run #3: crashed: general protection fault in put_prev_task_fair run #4: crashed: general protection fault in put_prev_task_fair run #5: crashed: general protection fault in put_prev_task_fair run #6: crashed: general protection fault in __schedule run #7: crashed: general protection fault in __schedule run #8: crashed: general protection fault in __schedule run #9: crashed: general protection fault in __schedule representative crash: general protection fault in update_load_avg, types: [DoS] # git bisect good 4626469e5ee3f1458f8169a80c391432006f6578 Bisecting: 241 revisions left to test after this (roughly 8 steps) [2dc71065cf3782bb44e41c8a298bf9dc2680f0d3] drm/amd/display: Don't warn when missing DCE encoder caps determine whether the revision contains the guilty commit revision 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 crashed and is reachable testing commit 2dc71065cf3782bb44e41c8a298bf9dc2680f0d3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fffb60e5a5129f7745938cda6b0f476744cb8a5cc45674153fe7787b3cf783cc all runs: OK false negative chance: 0.000 # git bisect bad 2dc71065cf3782bb44e41c8a298bf9dc2680f0d3 Bisecting: 120 revisions left to test after this (roughly 7 steps) [5a1a847d841505dba2bd85602daf5c218e1d85b8] usb: dwc3: Remove WARN_ON for device endpoint command timeouts determine whether the revision contains the guilty commit revision 7cd4940a8fe7e3853dbfff9e7a4c8888c51ba900 crashed and is reachable testing commit 5a1a847d841505dba2bd85602daf5c218e1d85b8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 342f0a2028acd044f69aac2bd234182b571b9dbbda2a364e640c7f55dac8bf2a all runs: OK false negative chance: 0.000 # git bisect bad 5a1a847d841505dba2bd85602daf5c218e1d85b8 Bisecting: 59 revisions left to test after this (roughly 6 steps) [3372691721712d8d6f39bc72e945191af0d39b52] btrfs: send: use fallocate for hole punching with send stream v2 determine whether the revision contains the guilty commit revision 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 crashed and is reachable testing commit 3372691721712d8d6f39bc72e945191af0d39b52 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 444d6cd0bb01285108b837a3df92dd2329512b0da31b2f0f62b445342407d679 run #0: crashed: general protection fault in __schedule run #1: crashed: general protection fault in __schedule run #2: crashed: general protection fault in __schedule run #3: crashed: general protection fault in __schedule run #4: crashed: general protection fault in put_prev_task_fair run #5: crashed: general protection fault in __schedule run #6: crashed: general protection fault in put_prev_task_fair run #7: crashed: general protection fault in put_prev_task_fair run #8: crashed: general protection fault in put_prev_task_fair run #9: crashed: general protection fault in update_load_avg representative crash: general protection fault in __schedule, types: [DoS] # git bisect good 3372691721712d8d6f39bc72e945191af0d39b52 Bisecting: 29 revisions left to test after this (roughly 5 steps) [8f4dc4e54eed4bebb18390305eb1f721c00457e1] KVM: arm64: Fix kernel BUG() due to bad backport of FPSIMD/SVE/SME fix determine whether the revision contains the guilty commit revision 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 crashed and is reachable testing commit 8f4dc4e54eed4bebb18390305eb1f721c00457e1 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3f0f2ee83f43028980c5d6588639582d6a45ead34c1108e2b580f9c1e9d6b070 run #0: crashed: general protection fault in put_prev_task_fair run #1: crashed: general protection fault in __schedule run #2: crashed: general protection fault in __schedule run #3: crashed: general protection fault in __schedule run #4: crashed: general protection fault in __schedule run #5: crashed: general protection fault in __schedule run #6: crashed: general protection fault in put_prev_task_fair run #7: crashed: general protection fault in update_load_avg run #8: crashed: general protection fault in __schedule run #9: crashed: general protection fault in update_load_avg representative crash: general protection fault in put_prev_task_fair, types: [DoS] # git bisect good 8f4dc4e54eed4bebb18390305eb1f721c00457e1 Bisecting: 14 revisions left to test after this (roughly 4 steps) [beeff8d850322f0a36b9c3f21c59c4274e4e02fe] fpga: zynq_fpga: Fix the wrong usage of dma_map_sgtable() determine whether the revision contains the guilty commit revision 7cd4940a8fe7e3853dbfff9e7a4c8888c51ba900 crashed and is reachable testing commit beeff8d850322f0a36b9c3f21c59c4274e4e02fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 77b68c1fca786d04e4625adafba3bb0aafc1a507469d00181b9dba3cd06dc61e all runs: OK false negative chance: 0.000 # git bisect bad beeff8d850322f0a36b9c3f21c59c4274e4e02fe Bisecting: 7 revisions left to test after this (roughly 3 steps) [6f860abff89417c0354b6ee5bbca188a233c5762] drm/amd/display: Avoid a NULL pointer dereference determine whether the revision contains the guilty commit revision 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 crashed and is reachable testing commit 6f860abff89417c0354b6ee5bbca188a233c5762 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3dfbcecb22bed4fb3e047f41ce8dd611ffe311ab2c50502381c5074e8dc101af run #0: crashed: general protection fault in put_prev_task_fair run #1: crashed: general protection fault in update_load_avg run #2: crashed: general protection fault in __schedule run #3: crashed: general protection fault in __schedule run #4: crashed: general protection fault in __schedule run #5: crashed: general protection fault in put_prev_task_fair run #6: crashed: general protection fault in update_load_avg run #7: crashed: general protection fault in put_prev_task_fair run #8: crashed: general protection fault in update_load_avg run #9: crashed: general protection fault in update_load_avg representative crash: general protection fault in put_prev_task_fair, types: [DoS] # git bisect good 6f860abff89417c0354b6ee5bbca188a233c5762 Bisecting: 3 revisions left to test after this (roughly 2 steps) [7dd4064acebf721738d367f6ca0455cba153c0ef] drm/amd/display: Fill display clock and vblank time in dce110_fill_display_configs determine whether the revision contains the guilty commit revision 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 crashed and is reachable testing commit 7dd4064acebf721738d367f6ca0455cba153c0ef gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d1f6ef1710f1c4247c92701799cd0036ebe4b0331bb47bafe8441b596636aafe run #0: crashed: general protection fault in put_prev_task_fair run #1: crashed: general protection fault in __schedule run #2: crashed: general protection fault in __schedule run #3: crashed: general protection fault in put_prev_task_fair run #4: crashed: general protection fault in update_load_avg run #5: crashed: general protection fault in put_prev_task_fair run #6: crashed: general protection fault in __schedule run #7: crashed: general protection fault in __schedule run #8: crashed: PANIC: double fault in __switch_to_asm run #9: crashed: general protection fault in __schedule representative crash: general protection fault in put_prev_task_fair, types: [DoS] # git bisect good 7dd4064acebf721738d367f6ca0455cba153c0ef Bisecting: 1 revision left to test after this (roughly 1 step) [c58c6b532b7b69537cfd9ef701c7e37cdcf79dc4] fs/buffer: fix use-after-free when call bh_read() helper determine whether the revision contains the guilty commit revision 4626469e5ee3f1458f8169a80c391432006f6578 crashed and is reachable testing commit c58c6b532b7b69537cfd9ef701c7e37cdcf79dc4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b05ea6e4a3ee762ff092cf407cd2597c15cc7a37b06ef466b44663995de91bf5 all runs: OK false negative chance: 0.000 # git bisect bad c58c6b532b7b69537cfd9ef701c7e37cdcf79dc4 Bisecting: 0 revisions left to test after this (roughly 0 steps) [524e90e58a267dad11e23351d9e4b1f941490976] smb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy() determine whether the revision contains the guilty commit revision 4626469e5ee3f1458f8169a80c391432006f6578 crashed and is reachable testing commit 524e90e58a267dad11e23351d9e4b1f941490976 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 60e671eb7ec414a290e717f92e256bd03adf2c3d35d89114d14cf3963ca38c78 run #0: crashed: general protection fault in __schedule run #1: crashed: general protection fault in __schedule run #2: crashed: general protection fault in put_prev_task_fair run #3: crashed: general protection fault in put_prev_task_fair run #4: crashed: general protection fault in put_prev_task_fair run #5: crashed: general protection fault in put_prev_task_fair run #6: crashed: general protection fault in put_prev_task_fair run #7: crashed: general protection fault in put_prev_task_fair run #8: crashed: general protection fault in put_prev_task_fair run #9: crashed: general protection fault in __schedule representative crash: general protection fault in __schedule, types: [DoS] # git bisect good 524e90e58a267dad11e23351d9e4b1f941490976 c58c6b532b7b69537cfd9ef701c7e37cdcf79dc4 is the first bad commit commit c58c6b532b7b69537cfd9ef701c7e37cdcf79dc4 Author: Ye Bin Date: Mon Aug 11 22:18:30 2025 +0800 fs/buffer: fix use-after-free when call bh_read() helper [ Upstream commit 7375f22495e7cd1c5b3b5af9dcc4f6dffe34ce49 ] There's issue as follows: BUG: KASAN: stack-out-of-bounds in end_buffer_read_sync+0xe3/0x110 Read of size 8 at addr ffffc9000168f7f8 by task swapper/3/0 CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.16.0-862.14.0.6.x86_64 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) Call Trace: dump_stack_lvl+0x55/0x70 print_address_description.constprop.0+0x2c/0x390 print_report+0xb4/0x270 kasan_report+0xb8/0xf0 end_buffer_read_sync+0xe3/0x110 end_bio_bh_io_sync+0x56/0x80 blk_update_request+0x30a/0x720 scsi_end_request+0x51/0x2b0 scsi_io_completion+0xe3/0x480 ? scsi_device_unbusy+0x11e/0x160 blk_complete_reqs+0x7b/0x90 handle_softirqs+0xef/0x370 irq_exit_rcu+0xa5/0xd0 sysvec_apic_timer_interrupt+0x6e/0x90 Above issue happens when do ntfs3 filesystem mount, issue may happens as follows: mount IRQ ntfs_fill_super read_cache_page do_read_cache_folio filemap_read_folio mpage_read_folio do_mpage_readpage ntfs_get_block_vbo bh_read submit_bh wait_on_buffer(bh); blk_complete_reqs scsi_io_completion scsi_end_request blk_update_request end_bio_bh_io_sync end_buffer_read_sync __end_buffer_read_notouch unlock_buffer wait_on_buffer(bh);--> return will return to caller put_bh --> trigger stack-out-of-bounds In the mpage_read_folio() function, the stack variable 'map_bh' is passed to ntfs_get_block_vbo(). Once unlock_buffer() unlocks and wait_on_buffer() returns to continue processing, the stack variable is likely to be reclaimed. Consequently, during the end_buffer_read_sync() process, calling put_bh() may result in stack overrun. If the bh is not allocated on the stack, it belongs to a folio. Freeing a buffer head which belongs to a folio is done by drop_buffers() which will fail to free buffers which are still locked. So it is safe to call put_bh() before __end_buffer_read_notouch(). Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Ye Bin Link: https://lore.kernel.org/20250811141830.343774-1-yebin@huaweicloud.com Reviewed-by: Matthew Wilcox (Oracle) Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin fs/buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: b05ea6e4a3ee762ff092cf407cd2597c15cc7a37b06ef466b44663995de91bf5 parent signature: 60e671eb7ec414a290e717f92e256bd03adf2c3d35d89114d14cf3963ca38c78 revisions tested: 19, total time: 3h56m52.648921074s (build: 1h18m7.709486485s, test: 2h32m26.078817439s) first good commit: c58c6b532b7b69537cfd9ef701c7e37cdcf79dc4 fs/buffer: fix use-after-free when call bh_read() helper recipients (to): ["brauner@kernel.org" "sashal@kernel.org" "willy@infradead.org" "yebin10@huawei.com"] recipients (cc): []