ci starts bisection 2025-11-06 01:07:41.439849228 +0000 UTC m=+100371.636202647 bisecting fixing commit since b19a97d57c15643494ac8bfaaa35e3ee472d41da building syzkaller on 795129097e7698798d759932c65f298b6110be22 ensuring issue is reproducible on original commit b19a97d57c15643494ac8bfaaa35e3ee472d41da testing commit b19a97d57c15643494ac8bfaaa35e3ee472d41da gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5aa6317586f345425f905d09f3f4b663f243e398758b6c34f7a742505653fe88 run #0: crashed: KASAN: use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: KASAN: use-after-free Read in filemap_map_pages run #3: crashed: WARNING in __folio_rmap_sanity_checks run #4: crashed: KASAN: use-after-free Read in filemap_map_pages run #5: crashed: KASAN: use-after-free Read in filemap_map_pages run #6: crashed: KASAN: use-after-free Read in filemap_map_pages run #7: crashed: KASAN: use-after-free Read in filemap_map_pages run #8: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #9: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #10: crashed: KASAN: use-after-free Read in filemap_map_pages run #11: crashed: KASAN: use-after-free Read in filemap_map_pages run #12: crashed: KASAN: use-after-free Read in filemap_map_pages run #13: crashed: KASAN: use-after-free Read in filemap_map_pages run #14: crashed: WARNING in __folio_rmap_sanity_checks run #15: crashed: WARNING in __folio_rmap_sanity_checks run #16: crashed: KASAN: use-after-free Read in filemap_map_pages run #17: crashed: KASAN: use-after-free Read in filemap_map_pages run #18: crashed: KASAN: use-after-free Read in filemap_map_pages run #19: crashed: WARNING in __folio_rmap_sanity_checks representative crash: KASAN: use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] check whether we can drop unnecessary instrumentation disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning locking], they are not needed testing commit b19a97d57c15643494ac8bfaaa35e3ee472d41da gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 814f6c573fbed25629b47c80d29a1b6e8b509ed9f5be87e8ff2a5cf04da9330b run #0: crashed: KASAN: use-after-free Read in filemap_map_pages run #1: crashed: invalid opcode in page_table_check_set run #2: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #3: crashed: KASAN: use-after-free Read in filemap_map_pages run #4: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #5: crashed: invalid opcode in page_table_check_set run #6: crashed: KASAN: use-after-free Read in filemap_map_pages run #7: crashed: KASAN: use-after-free Read in filemap_map_pages run #8: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #9: crashed: invalid opcode in page_table_check_set representative crash: KASAN: use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ DoS] the bug reproduces without the instrumentation disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed kconfig minimization: base=4116 full=8509 leaves diff=2193 split chunks (needed=false): <2193> split chunk #0 of len 2193 into 5 parts testing without sub-chunk 1/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit b19a97d57c15643494ac8bfaaa35e3ee472d41da gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 4d9b33fcea1923fe12b5f3af7d5f2669050f92bc3b0a3cda645365f322668d2e run #0: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-out-of-bounds Read in filemap_map_pages run #2: crashed: KASAN: use-after-free Read in filemap_map_pages run #3: crashed: KASAN: use-after-free Read in filemap_map_pages run #4: crashed: KASAN: use-after-free Read in filemap_map_pages run #5: crashed: invalid opcode in page_table_check_set run #6: crashed: KASAN: use-after-free Read in filemap_map_pages run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: KASAN: use-after-free Read in filemap_map_pages run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit b19a97d57c15643494ac8bfaaa35e3ee472d41da gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d36b897494092075053525e8b2fe77265a5cc021a8b5b36d162f7aa07b4357fe run #0: crashed: KASAN: use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: invalid opcode in page_table_check_set run #3: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #4: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #5: crashed: invalid opcode in page_table_check_set run #6: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: KASAN: use-after-free Read in filemap_map_pages run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit b19a97d57c15643494ac8bfaaa35e3ee472d41da gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d117316228c28c9047585a276a5286b5b4f5f22b026b6f78f0077b6a55e4d72e run #0: crashed: invalid opcode in page_table_check_set run #1: crashed: invalid opcode in page_table_check_set run #2: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #3: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #4: crashed: KASAN: slab-out-of-bounds Read in filemap_map_pages run #5: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #6: crashed: invalid opcode in page_table_check_set run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #9: crashed: invalid opcode in page_table_check_set representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ DoS] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit b19a97d57c15643494ac8bfaaa35e3ee472d41da gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0977640e938b4dd0ba2357749bf126a717536e95200b15699adc9dc2efea5e42 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit b19a97d57c15643494ac8bfaaa35e3ee472d41da gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 4c542ea4d0c5113d51b120cb9b3be32740a4bc50c15d09dbff0fe0a8b6aa716d run #0: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: invalid opcode in page_table_check_set run #3: crashed: KASAN: use-after-free Read in filemap_map_pages run #4: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #5: crashed: KASAN: use-after-free Read in filemap_map_pages run #6: crashed: KASAN: slab-out-of-bounds Read in filemap_map_pages run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped minimized to 439 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_NINTENDO HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_CONNTRACK_SNMP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 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_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 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 RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO 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 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_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_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 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 THP_SWAP 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 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_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 USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS VIDEO_DEV VXLAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing current HEAD dc77806cf3b4788d328fddf245e86c5b529f31a2 testing commit dc77806cf3b4788d328fddf245e86c5b529f31a2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5eb2c215ffe0a51ca790f3fadffaf9ad6e9c154b0d28909d85ab5de38364c6da all runs: OK false negative chance: 0.000 # git bisect start dc77806cf3b4788d328fddf245e86c5b529f31a2 b19a97d57c15643494ac8bfaaa35e3ee472d41da Bisecting: 7495 revisions left to test after this (roughly 13 steps) [58809f614e0e3f4e12b489bddf680bfeb31c0a20] Merge tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 58809f614e0e3f4e12b489bddf680bfeb31c0a20 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5799d9e8fa6d18db604a684e8ae87706136a70d836bfb60c18d1bc284ae7097a run #0: crashed: KASAN: slab-out-of-bounds Read in filemap_map_pages run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: KASAN: use-after-free Read in filemap_map_pages run #3: crashed: invalid opcode in page_table_check_set run #4: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #5: crashed: KASAN: slab-out-of-bounds Read in filemap_map_pages run #6: crashed: KASAN: use-after-free Read in filemap_map_pages run #7: crashed: KASAN: use-after-free Read in filemap_map_pages run #8: crashed: invalid opcode in page_table_check_set run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] # git bisect good 58809f614e0e3f4e12b489bddf680bfeb31c0a20 Bisecting: 3726 revisions left to test after this (roughly 12 steps) [f3826aa9962b4572d01083c84ac0f8345f121168] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit f3826aa9962b4572d01083c84ac0f8345f121168 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8a21982b312a847664a72d0bdd2ed88f935eee363f55f5cdfd36a69c21d1624a all runs: OK false negative chance: 0.000 # git bisect bad f3826aa9962b4572d01083c84ac0f8345f121168 Bisecting: 2034 revisions left to test after this (roughly 11 steps) [f1455695d2d99894b65db233877acac9a0e120b9] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit f1455695d2d99894b65db233877acac9a0e120b9 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 34d0bffc4e7365479f170dce2dfacc1bfcb90edeceff02589f5380989fafd0c2 run #0: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #3: crashed: KASAN: use-after-free Read in filemap_map_pages run #4: crashed: KASAN: use-after-free Read in filemap_map_pages run #5: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #6: crashed: KASAN: use-after-free Read in filemap_map_pages run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: invalid opcode in page_table_check_set run #9: crashed: invalid opcode in page_table_check_set representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] # git bisect good f1455695d2d99894b65db233877acac9a0e120b9 Bisecting: 1015 revisions left to test after this (roughly 10 steps) [829745b75a1af25bfb0c7dc36640548c98c57169] Merge tag 'pull-finish_no_open' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 829745b75a1af25bfb0c7dc36640548c98c57169 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: a9cb33f69dec8ae7e01cd5f794ec59a331d1b6ab8fff3396babca8d367c200a2 all runs: OK false negative chance: 0.000 # git bisect bad 829745b75a1af25bfb0c7dc36640548c98c57169 Bisecting: 534 revisions left to test after this (roughly 9 steps) [24d9e8b3c9c8a6f72c8b4c196a703e144928d919] Merge tag 'slab-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 24d9e8b3c9c8a6f72c8b4c196a703e144928d919 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9716cfd95a523e564f7a581f1318c742382a22e236ef5d3797d7299f0ae806ae run #0: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #3: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #4: crashed: invalid opcode in page_table_check_set run #5: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #6: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: invalid opcode in page_table_check_set run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] # git bisect good 24d9e8b3c9c8a6f72c8b4c196a703e144928d919 Bisecting: 267 revisions left to test after this (roughly 8 steps) [4805ef3707608e04477caeba6a8a0de04d1d77b5] mm/page_alloc: check the correct buddy if it is a starting block determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 4805ef3707608e04477caeba6a8a0de04d1d77b5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 37c3c28983f1d94124c20791be5e3afd8694d7cdf18d6d8393044eaa76acdb6e run #0: crashed: invalid opcode in page_table_check_set run #1: crashed: invalid opcode in page_table_check_set run #2: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #3: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #4: crashed: KASAN: use-after-free Read in filemap_map_pages run #5: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #6: crashed: KASAN: slab-out-of-bounds Read in filemap_map_pages run #7: crashed: KASAN: use-after-free Read in filemap_map_pages run #8: crashed: KASAN: use-after-free Read in filemap_map_pages run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ DoS] # git bisect good 4805ef3707608e04477caeba6a8a0de04d1d77b5 Bisecting: 160 revisions left to test after this (roughly 7 steps) [8804d970fab45726b3c7cd7f240b31122aa94219] Merge tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 8804d970fab45726b3c7cd7f240b31122aa94219 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5970c4213006689d9c279a9cd4d1e0451e383c933fd5599a4c24d0af35662780 all runs: OK false negative chance: 0.000 # git bisect bad 8804d970fab45726b3c7cd7f240b31122aa94219 Bisecting: 53 revisions left to test after this (roughly 6 steps) [e18190b7e97e9db6546390e6e0ceddae606892b2] mm/damon/lru_sort: use param_ctx for damon_attrs staging determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit e18190b7e97e9db6546390e6e0ceddae606892b2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c5ba907115eae969e1b421c5de81a2e3d0a2caf1830fc87226fdd7bd22fca884 run #0: crashed: KASAN: use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-out-of-bounds Read in filemap_map_pages run #2: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #3: crashed: KASAN: use-after-free Read in filemap_map_pages run #4: crashed: KASAN: use-after-free Read in filemap_map_pages run #5: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #6: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] # git bisect good e18190b7e97e9db6546390e6e0ceddae606892b2 Bisecting: 26 revisions left to test after this (roughly 5 steps) [7ef5268a907534c4e6373b0d3fe45e0b3d95bfe2] mm/vmalloc: move resched point into alloc_vmap_area() determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 7ef5268a907534c4e6373b0d3fe45e0b3d95bfe2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c38d8a0820088bc802cd803c58433939d77ada9bf4eca0d777f25a5758a5b374 run #0: crashed: invalid opcode in page_table_check_set run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: KASAN: use-after-free Read in filemap_map_pages run #3: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #4: crashed: KASAN: use-after-free Read in filemap_map_pages run #5: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #6: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #7: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #8: crashed: invalid opcode in page_table_check_set run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] # git bisect good 7ef5268a907534c4e6373b0d3fe45e0b3d95bfe2 Bisecting: 13 revisions left to test after this (roughly 4 steps) [4afb85f5e359e521ef20c0260af17a4490fc83f7] mm: remove PMD alignment constraint in execmem_vmalloc() determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 4afb85f5e359e521ef20c0260af17a4490fc83f7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3761a56eb8657ba211718b10aa10516ac3960df376e0630521e1126936397731 all runs: OK false negative chance: 0.000 # git bisect bad 4afb85f5e359e521ef20c0260af17a4490fc83f7 Bisecting: 6 revisions left to test after this (roughly 3 steps) [2db579838296239545554443234fafb8f485cca0] mm/page_vma_mapped: track if the page is mapped across page table boundary determine whether the revision contains the guilty commit revision e18190b7e97e9db6546390e6e0ceddae606892b2 crashed and is reachable testing commit 2db579838296239545554443234fafb8f485cca0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2ee27f2bee556137a52a05d9e0713019e3d695736179442109a33d79cf2fecd1 run #0: crashed: KASAN: use-after-free Read in filemap_map_pages run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: invalid opcode in page_table_check_set run #3: crashed: KASAN: use-after-free Read in filemap_map_pages run #4: crashed: KASAN: use-after-free Read in filemap_map_pages run #5: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #6: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #7: crashed: KASAN: use-after-free Read in filemap_map_pages run #8: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #9: crashed: KASAN: use-after-free Read in filemap_map_pages representative crash: KASAN: use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ] # git bisect good 2db579838296239545554443234fafb8f485cca0 Bisecting: 3 revisions left to test after this (roughly 2 steps) [19773df031bcc67d5caa06bf0ddbbff40174be7a] mm/fault: try to map the entire file folio in finish_fault() determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit 19773df031bcc67d5caa06bf0ddbbff40174be7a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 6184b2763547efb910f11b628ff361053a83a0f93734b18192f2505a08171185 run #0: crashed: invalid opcode in page_table_check_set run #1: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #2: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #3: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #4: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #5: crashed: invalid opcode in page_table_check_set run #6: crashed: KASAN: slab-use-after-free Read in filemap_map_pages run #7: crashed: invalid opcode in page_table_check_set run #8: crashed: KASAN: use-after-free Read in filemap_map_pages run #9: crashed: invalid opcode in page_table_check_set representative crash: KASAN: slab-use-after-free Read in filemap_map_pages, types: [KASAN-USE-AFTER-FREE-READ DoS] # git bisect good 19773df031bcc67d5caa06bf0ddbbff40174be7a Bisecting: 1 revision left to test after this (roughly 1 step) [ab521b4142aa41fdf74efc20e2b1806f35dbc64b] mm/rmap: improve mlock tracking for large folios determine whether the revision contains the guilty commit revision b19a97d57c15643494ac8bfaaa35e3ee472d41da crashed and is reachable testing commit ab521b4142aa41fdf74efc20e2b1806f35dbc64b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 4801bc99e3aedaac84e823e940d3bbdca663112381569606e62c464fd35eff2a all runs: OK false negative chance: 0.000 # git bisect bad ab521b4142aa41fdf74efc20e2b1806f35dbc64b Bisecting: 0 revisions left to test after this (roughly 0 steps) [357b92761d942432c90aeeb965f9eb0c94466921] mm/filemap: map entire large folio faultaround determine whether the revision contains the guilty commit revision 7ef5268a907534c4e6373b0d3fe45e0b3d95bfe2 crashed and is reachable testing commit 357b92761d942432c90aeeb965f9eb0c94466921 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: a16ca0abeaa836d611f38a467790cd1bd484103e56b125517ed5d6a584ed126f all runs: OK false negative chance: 0.000 # git bisect bad 357b92761d942432c90aeeb965f9eb0c94466921 357b92761d942432c90aeeb965f9eb0c94466921 is the first bad commit commit 357b92761d942432c90aeeb965f9eb0c94466921 Author: Kiryl Shutsemau Date: Tue Sep 23 12:07:10 2025 +0100 mm/filemap: map entire large folio faultaround Currently, kernel only maps part of large folio that fits into start_pgoff/end_pgoff range. Map entire folio where possible. It will match finish_fault() behaviour that user hits on cold page cache. Mapping large folios at once will allow the rmap code to mlock it on add, as it will recognize that it is fully mapped and mlocking is safe. Link: https://lkml.kernel.org/r/20250923110711.690639-6-kirill@shutemov.name Signed-off-by: Kiryl Shutsemau Cc: Baolin Wang Cc: David Hildenbrand Cc: Johannes Weiner Cc: Lorenzo Stoakes Cc: Shakeel Butt Signed-off-by: Andrew Morton mm/filemap.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) accumulated error probability: 0.00 culprit signature: a16ca0abeaa836d611f38a467790cd1bd484103e56b125517ed5d6a584ed126f parent signature: 6184b2763547efb910f11b628ff361053a83a0f93734b18192f2505a08171185 revisions tested: 22, total time: 9h57m29.759731999s (build: 6h41m39.727016963s, test: 2h7m38.57843716s) first good commit: 357b92761d942432c90aeeb965f9eb0c94466921 mm/filemap: map entire large folio faultaround recipients (to): ["akpm@linux-foundation.org" "akpm@linux-foundation.org" "kas@kernel.org" "linux-fsdevel@vger.kernel.org" "linux-mm@kvack.org" "willy@infradead.org"] recipients (cc): ["linux-kernel@vger.kernel.org"]