ci starts bisection 2023-12-23 00:18:36.418325676 +0000 UTC m=+20744.015090883 bisecting fixing commit since 85eb043618bb17124050197d71c453d4a1f556e5 building syzkaller on 03d9c195daed8fca30b642783f35657aa7e32209 ensuring issue is reproducible on original commit 85eb043618bb17124050197d71c453d4a1f556e5 testing commit 85eb043618bb17124050197d71c453d4a1f556e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 60294b9cc3fda4befcf6c1ea4c34295242dfe99d4f24de6a7382008bafb3bd9d run #0: crashed: KASAN: use-after-free Read in ntfs_read_folio run #1: crashed: KASAN: use-after-free Read in ntfs_read_folio run #2: crashed: KASAN: use-after-free Read in ntfs_read_folio run #3: crashed: KASAN: use-after-free Read in ntfs_read_folio run #4: crashed: KASAN: use-after-free Read in ntfs_read_folio run #5: crashed: KASAN: use-after-free Read in ntfs_read_folio run #6: crashed: KASAN: use-after-free Read in ntfs_read_folio run #7: crashed: KASAN: use-after-free Read in ntfs_read_folio run #8: crashed: KASAN: use-after-free Read in ntfs_read_folio run #9: crashed: KASAN: use-after-free Read in ntfs_read_folio run #10: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #11: crashed: KASAN: use-after-free Read in ntfs_read_folio run #12: crashed: KASAN: use-after-free Read in ntfs_read_folio run #13: crashed: KASAN: use-after-free Read in ntfs_read_folio run #14: crashed: KASAN: use-after-free Read in ntfs_read_folio run #15: crashed: KASAN: use-after-free Read in ntfs_read_folio run #16: crashed: KASAN: use-after-free Read in ntfs_read_folio run #17: crashed: KASAN: use-after-free Read in ntfs_read_folio run #18: crashed: KASAN: use-after-free Read in ntfs_read_folio run #19: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 85eb043618bb17124050197d71c453d4a1f556e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2bbdef4cbe5b06d486eacb78387f5610a1f19b120b825681ff52d53228b723c4 all runs: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3915 full=7645 leaves diff=2002 split chunks (needed=false): <2002> split chunk #0 of len 2002 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 85eb043618bb17124050197d71c453d4a1f556e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f3997e342d4f5e2fb3bea5d0f05d27ae9b5904ac60a3d65eb72540c197239802 all runs: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 85eb043618bb17124050197d71c453d4a1f556e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 41ba76bf4874566a8ca5cd16f3ab2bbe07d17022bfa130ff757864cadb49aa87 run #0: crashed: KASAN: use-after-free Read in ntfs_read_folio run #1: crashed: KASAN: use-after-free Read in ntfs_read_folio run #2: crashed: KASAN: use-after-free Read in ntfs_read_folio run #3: crashed: KASAN: use-after-free Read in ntfs_read_folio run #4: crashed: KASAN: use-after-free Read in ntfs_read_folio run #5: crashed: KASAN: out-of-bounds Read in ntfs_read_folio run #6: crashed: KASAN: use-after-free Read in ntfs_read_folio run #7: crashed: KASAN: use-after-free Read in ntfs_read_folio run #8: crashed: KASAN: use-after-free Read in ntfs_read_folio run #9: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 85eb043618bb17124050197d71c453d4a1f556e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 830ae366944e1825c4866acc84ccc041120c5f98528ab262d457fc076c35992a all runs: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 85eb043618bb17124050197d71c453d4a1f556e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 924f85ab3e21c19974e171b55c44540468042ca720b7505560f6877f9848358f all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 85eb043618bb17124050197d71c453d4a1f556e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb6dd9ea7f619d8128ea95af64c04f7c676975dfbecc25532ea83225b344b3e8 all runs: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] the chunk can be dropped minimized to 401 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_TABLES NF_TABLES_ARP NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS 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 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 PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES 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_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 SECURITY_SMACK_NETFILTER 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 SMC SMC_DIAG SMSC_PHY 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_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC 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 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_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI 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 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_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD c0f65a7c112b3cfa691cead54bcf24d6cc2182b5 testing commit c0f65a7c112b3cfa691cead54bcf24d6cc2182b5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3c343489c0cc703e40e34acace53081efb0dae0c804125352a2892678d1128bc all runs: crashed: KASAN: use-after-free Read in ntfs_read_folio representative crash: KASAN: use-after-free Read in ntfs_read_folio, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h9m15.974338035s (build: 1h28m58.241002118s, test: 33m30.562411223s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'printk-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux crash: KASAN: use-after-free Read in ntfs_read_folio loop0: detected capacity change from 0 to 190 ================================================================== BUG: KASAN: use-after-free in ntfs_read_folio+0x810/0x1bd0 fs/ntfs/aops.c:483 Read of size 1 at addr ffff88806eb9c17f by task syz-executor.0/2666 CPU: 0 PID: 2666 Comm: syz-executor.0 Not tainted 6.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xf8/0x260 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x163/0x540 mm/kasan/report.c:475 kasan_report+0x142/0x170 mm/kasan/report.c:588 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:187 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 ntfs_read_folio+0x810/0x1bd0 fs/ntfs/aops.c:483 filemap_read_folio+0x151/0x530 mm/filemap.c:2323 do_read_cache_folio+0x104/0x5a0 mm/filemap.c:3691 do_read_cache_page+0x11/0x160 mm/filemap.c:3757 read_mapping_page include/linux/pagemap.h:871 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] load_and_init_attrdef fs/ntfs/super.c:1617 [inline] load_system_files+0x1c57/0x3e40 fs/ntfs/super.c:1825 ntfs_fill_super+0x123f/0x23d0 fs/ntfs/super.c:2900 mount_bdev+0x1d6/0x290 fs/super.c:1650 legacy_get_tree+0xe9/0x170 fs/fs_context.c:662 vfs_get_tree+0x7e/0x190 fs/super.c:1771 do_new_mount+0x1e5/0x930 fs/namespace.c:3337 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x242/0x2d0 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0xe0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f659fe7e1ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f65a0b0aee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f65a0b0af80 RCX: 00007f659fe7e1ea RDX: 0000000020000040 RSI: 000000002001f200 RDI: 00007f65a0b0af40 RBP: 0000000020000040 R08: 00007f65a0b0af80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000002001f200 R13: 00007f65a0b0af40 R14: 000000000000097e R15: 0000000020000000 The buggy address belongs to the physical page: page:ffffea0001bae700 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x6eb9c flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000000 ffffea0001bae748 ffffea0001bae6c8 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 0, migratetype Movable, gfp_mask 0x100cca(GFP_HIGHUSER_MOVABLE), pid 2660, tgid 2658 (syz-executor.0), ts 55318645673, free_ts 55506696208 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x10b/0x130 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1544 [inline] get_page_from_freelist+0x345c/0x35f0 mm/page_alloc.c:3312 __alloc_pages+0x255/0x650 mm/page_alloc.c:4568 alloc_pages_mpol+0x27f/0x4d0 mm/mempolicy.c:2133 shmem_alloc_folio mm/shmem.c:1630 [inline] shmem_alloc_and_add_folio+0x2de/0xb60 mm/shmem.c:1670 shmem_get_folio_gfp+0x581/0x14b0 mm/shmem.c:2054 shmem_get_folio mm/shmem.c:2136 [inline] shmem_write_begin+0x148/0x3d0 mm/shmem.c:2719 generic_perform_write+0x30c/0x580 mm/filemap.c:3918 shmem_file_write_iter+0xb6/0xd0 mm/shmem.c:2895 call_write_iter include/linux/fs.h:2020 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x63a/0xc80 fs/read_write.c:584 ksys_write+0x163/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0xe0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1137 [inline] free_unref_page_prepare+0x7f9/0x910 mm/page_alloc.c:2347 free_unref_page_list+0x54b/0x7f0 mm/page_alloc.c:2533 release_pages+0x194b/0x1b10 mm/swap.c:1042 __folio_batch_release+0x66/0xe0 mm/swap.c:1062 folio_batch_release include/linux/pagevec.h:83 [inline] shmem_undo_range+0x50e/0x1520 mm/shmem.c:1004 shmem_truncate_range mm/shmem.c:1113 [inline] shmem_evict_inode+0x3b5/0x8b0 mm/shmem.c:1241 evict+0x263/0x640 fs/inode.c:666 __dentry_kill+0x380/0x5d0 fs/dcache.c:607 dentry_kill+0xbb/0x1e0 dput+0x13c/0x2b0 fs/dcache.c:913 __fput+0x4d1/0x7e0 fs/file_table.c:402 task_work_run+0x20a/0x280 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xa9/0xc0 kernel/entry/common.c:171 exit_to_user_mode_prepare+0x64/0xb0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x2c/0x1e0 kernel/entry/common.c:296 do_syscall_64+0x52/0xe0 arch/x86/entry/common.c:89 Memory state around the buggy address: ffff88806eb9c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88806eb9c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88806eb9c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88806eb9c180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88806eb9c200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================