ci2 starts bisection 2023-09-24 09:08:40.507404604 +0000 UTC m=+953452.536578706 bisecting fixing commit since bfa3037d828050896ae52f6467b6ca2489ae6fb1 building syzkaller on 4547cdf9e497f833628b7b0660809b3247a7411e ensuring issue is reproducible on original commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 96d7a12d8ee6d9d7510cc2a7a0b442bec7a5b15f6e2ebd2e93486c6965c6d7bb run #0: crashed: INFO: task hung in ni_readpage_cmpr run #1: crashed: INFO: task hung in ntfs_read_folio run #2: crashed: INFO: task hung in ntfs_compress_write run #3: crashed: INFO: task hung in ntfs_read_folio run #4: crashed: INFO: task hung in ntfs_read_folio run #5: crashed: INFO: task hung in ntfs_read_folio run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ntfs_compress_write run #8: crashed: INFO: task hung in ntfs_read_folio run #9: crashed: INFO: task hung in ntfs_compress_write run #10: crashed: INFO: task hung in ni_readpage_cmpr run #11: crashed: INFO: task hung in ni_readpage_cmpr run #12: crashed: INFO: task hung in ntfs_compress_write run #13: crashed: INFO: task hung in ni_readpage_cmpr run #14: crashed: INFO: task hung in ntfs_read_folio run #15: crashed: INFO: task hung in ni_readpage_cmpr run #16: crashed: INFO: task hung in ni_readpage_cmpr run #17: crashed: INFO: task hung in ni_readpage_cmpr run #18: crashed: INFO: task hung in ntfs_read_folio run #19: crashed: INFO: task hung in ntfs_compress_write representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7c18dd7a9df47c361c0a5db6f643e014b605e412fe3e85abd64e855940a32b6 run #0: crashed: INFO: task hung in ntfs_read_folio run #1: crashed: INFO: task hung in ntfs_get_frame_pages run #2: crashed: INFO: task hung in ntfs_get_frame_pages run #3: crashed: INFO: task hung in ntfs_read_folio run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ntfs_get_frame_pages run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ntfs_read_folio run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: OK representative crash: INFO: task hung in ntfs_read_folio, types: [HANG] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed kconfig minimization: base=3876 full=7645 leaves diff=1998 split chunks (needed=false): <1998> split chunk #0 of len 1998 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a7f0a149b37c8702be944bcb66081c0b92367cfa5a04c8662bc36665b65da871 run #0: crashed: INFO: task hung in ntfs_read_folio run #1: crashed: INFO: task hung in ntfs_get_frame_pages run #2: crashed: INFO: task hung in ni_readpage_cmpr run #3: crashed: INFO: task hung in ntfs_read_folio run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ntfs_read_folio run #7: crashed: INFO: task hung in ntfs_read_folio run #8: crashed: INFO: task hung in ntfs_get_frame_pages run #9: OK representative crash: INFO: task hung in ntfs_read_folio, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1dcbd3d3f483186bc8df1c7d2b09e6a0dd209ab835c80e154cbcfe90614f4080 run #0: crashed: INFO: task hung in ntfs_read_folio run #1: crashed: INFO: task hung in ntfs_read_folio run #2: crashed: INFO: task hung in ntfs_get_frame_pages run #3: crashed: INFO: task hung in ntfs_get_frame_pages run #4: crashed: INFO: task hung in ntfs_get_frame_pages run #5: crashed: INFO: task hung in ntfs_get_frame_pages run #6: crashed: INFO: task hung in ntfs_get_frame_pages run #7: crashed: INFO: task hung in ntfs_read_folio run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ntfs_get_frame_pages representative crash: INFO: task hung in ntfs_read_folio, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 19107b2c95292627cd7876d3056c9c8b02c00b69b527f7fefc0a9a6a975d51d2 run #0: crashed: INFO: task hung in ntfs_get_frame_pages run #1: crashed: INFO: task hung in ni_readpage_cmpr run #2: crashed: INFO: task hung in ntfs_read_folio run #3: crashed: INFO: task hung in ntfs_read_folio run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ntfs_read_folio run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ntfs_read_folio run #9: crashed: INFO: task hung in ntfs_read_folio representative crash: INFO: task hung in ntfs_get_frame_pages, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e0d9301f8d1b01ffa0fff683f3d8058085a963e4bde592e1007c9bdb8d32124 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 36b80ae1164fd3dee9ad9017a217930e0e844718ebb734217faa34008c3da1df run #0: crashed: INFO: task hung in ntfs_read_folio run #1: crashed: INFO: task hung in ni_readpage_cmpr run #2: crashed: INFO: task hung in ni_readpage_cmpr run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ntfs_read_folio run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ni_readpage_cmpr run #8: crashed: INFO: task hung in ni_readpage_cmpr run #9: crashed: INFO: task hung in ntfs_read_folio representative crash: INFO: task hung in ntfs_read_folio, types: [HANG] the chunk can be dropped minimized to 400 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_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 [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing current HEAD 3aba70aed91f2b283f7952be152ad76ec5c34975 testing commit 3aba70aed91f2b283f7952be152ad76ec5c34975 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71f08130982013f978842a08287292e2dd9bbb6f448b5be16698a574346534ac run #0: crashed: INFO: task hung in ntfs_read_folio run #1: crashed: INFO: task hung in ntfs_read_folio run #2: crashed: INFO: task hung in ni_readpage_cmpr run #3: crashed: INFO: task hung in ntfs_get_frame_pages run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: crashed: INFO: task hung in ntfs_read_folio run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in ntfs_read_folio, types: [HANG] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h53m31.935795876s (build: 32m33.826730041s, test: 1h17m52.716592582s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'gpio-fixes-for-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux crash: INFO: task hung in ntfs_read_folio INFO: task syz-executor.3:5799 blocked for more than 143 seconds. Not tainted 6.6.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:13000 pid:5799 ppid:2234 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x714/0x1450 kernel/sched/core.c:6695 schedule+0x54/0xc0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x32/0x50 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x43b/0x960 kernel/locking/mutex.c:747 ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] ntfs_read_folio+0x79/0xc0 fs/ntfs3/inode.c:717 filemap_read_folio+0x66/0x250 mm/filemap.c:2382 filemap_create_folio mm/filemap.c:2510 [inline] filemap_get_pages+0x361/0x8f0 mm/filemap.c:2563 filemap_splice_read+0x1e2/0x3a0 mm/filemap.c:2919 splice_direct_to_actor+0xa2/0x250 fs/splice.c:1069 do_splice_direct+0x92/0xe0 fs/splice.c:1194 do_sendfile+0x291/0x460 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x9a/0xd0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3a89c7cb29 RSP: 002b:00007f3a897ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f3a89d9bf80 RCX: 00007f3a89c7cb29 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f3a89cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f3a89d9bf80 R15: 00007ffca8c160f8 INFO: task syz-executor.3:5806 blocked for more than 143 seconds. Not tainted 6.6.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:13520 pid:5806 ppid:2234 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x714/0x1450 kernel/sched/core.c:6695 schedule+0x54/0xc0 kernel/sched/core.c:6771 io_schedule+0x3e/0x60 kernel/sched/core.c:9026 folio_wait_bit_common+0x200/0x4a0 mm/filemap.c:1301 __folio_lock mm/filemap.c:1629 [inline] folio_lock include/linux/pagemap.h:1042 [inline] __filemap_get_folio+0x7b/0x390 mm/filemap.c:1882 pagecache_get_page+0xd/0x160 mm/folio-compat.c:99 find_or_create_page include/linux/pagemap.h:723 [inline] ni_readpage_cmpr+0x173/0x3f0 fs/ntfs3/frecord.c:2135 ntfs_read_folio+0x84/0xc0 fs/ntfs3/inode.c:718 filemap_read_folio+0x66/0x250 mm/filemap.c:2382 filemap_create_folio mm/filemap.c:2510 [inline] filemap_get_pages+0x361/0x8f0 mm/filemap.c:2563 filemap_splice_read+0x1e2/0x3a0 mm/filemap.c:2919 splice_direct_to_actor+0xa2/0x250 fs/splice.c:1069 do_splice_direct+0x92/0xe0 fs/splice.c:1194 do_sendfile+0x291/0x460 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x9a/0xd0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3a89c7cb29 RSP: 002b:00007f3a815de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f3a89d9c050 RCX: 00007f3a89c7cb29 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 RBP: 00007f3a89cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f3a89d9c050 R15: 00007ffca8c160f8 Showing all locks held in the system: 1 lock held by khungtaskd/28: #0: ffffffff83373b40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:303 [inline] #0: ffffffff83373b40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:749 [inline] #0: ffffffff83373b40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x30/0x100 kernel/locking/lockdep.c:6613 2 locks held by getty/1661: #0: ffff8881400f30a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 drivers/tty/tty_ldisc.c:243 #1: ffffc90000bfb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x218/0x8e0 drivers/tty/n_tty.c:2206 1 lock held by syz-executor.5/2242: #0: ffffffff83374af8 (rcu_state.exp_mutex){....}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline] #0: ffffffff83374af8 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0x240/0x700 kernel/rcu/tree_exp.h:992 3 locks held by syz-executor.3/5799: #0: ffff8881001163f8 (sb_writers#14){....}-{0:0}, at: do_sendfile+0x276/0x460 fs/read_write.c:1253 #1: ffff88810b3e12f0 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #1: ffff88810b3e12f0 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_create_folio mm/filemap.c:2502 [inline] #1: ffff88810b3e12f0 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_get_pages+0x31a/0x8f0 mm/filemap.c:2563 #2: ffff88810b3e0eb0 (&ni->ni_lock/4){....}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff88810b3e0eb0 (&ni->ni_lock/4){....}-{3:3}, at: ntfs_read_folio+0x79/0xc0 fs/ntfs3/inode.c:717 3 locks held by syz-executor.3/5806: #0: ffff8881001163f8 (sb_writers#14){....}-{0:0}, at: do_sendfile+0x276/0x460 fs/read_write.c:1253 #1: ffff88810b3e12f0 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #1: ffff88810b3e12f0 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_create_folio mm/filemap.c:2502 [inline] #1: ffff88810b3e12f0 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_get_pages+0x31a/0x8f0 mm/filemap.c:2563 #2: ffff88810b3e0eb0 (&ni->ni_lock/4){....}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff88810b3e0eb0 (&ni->ni_lock/4){....}-{3:3}, at: ntfs_read_folio+0x79/0xc0 fs/ntfs3/inode.c:717 1 lock held by syz-executor.2/8959: 2 locks held by syz-executor.2/8960: #0: ffff88813bc2d5d8 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x23/0xd0 kernel/sched/core.c:558 #1: ffff88813bc1c708 (&per_cpu_ptr(group->pcpu, cpu)->seq){....}-{0:0}, at: psi_task_switch+0x266/0x2c0 kernel/sched/psi.c:999 2 locks held by syz-executor.3/8962: #0: ffff888147a523f8 (sb_writers#4){....}-{0:0}, at: do_sendfile+0x276/0x460 fs/read_write.c:1253 #1: ffff88813bd2d5d8 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x23/0xd0 kernel/sched/core.c:558 3 locks held by syz-executor.3/8968: 4 locks held by syz-executor.0/8970: 2 locks held by syz-executor.0/8972: #0: ffff8881194e43f8 (sb_writers#14){....}-{0:0}, at: do_sendfile+0x276/0x460 fs/read_write.c:1253 #1: ffff88813bc2d5d8 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x23/0xd0 kernel/sched/core.c:558 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.6.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x83/0xd0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x142/0x160 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x8e/0x140 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0x5da/0x600 kernel/hung_task.c:379 kthread+0xe5/0x100 kernel/kthread.c:388 ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8972 Comm: syz-executor.0 Not tainted 6.6.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:122 [inline] RIP: 0010:lock_acquire+0xa9/0x1f0 kernel/locking/lockdep.c:5754 Code: 00 00 00 48 c7 44 24 08 00 00 00 00 9c 8f 44 24 08 48 8b 5c 24 08 fa 48 c7 c7 d1 dc ef 82 e8 6e d9 3c 01 65 ff 05 8f 22 f3 7e <45> 31 c0 48 89 1c 24 f7 c3 00 02 00 00 41 0f 94 c0 4c 89 ff 44 89 RSP: 0018:ffffc904e003fa20 EFLAGS: 00000002 RAX: 0000000000000000 RBX: 0000000000000246 RCX: ffffffff812d86a1 RDX: 0000000000000000 RSI: ffffffff82efdcd1 RDI: ffffffff82e06db5 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000000 R15: ffffffff83373b40 FS: 00007fa6c47ff6c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556fb2818 CR3: 000000011ea6d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_acquire include/linux/rcupdate.h:303 [inline] rcu_read_lock include/linux/rcupdate.h:749 [inline] percpu_ref_put_many include/linux/percpu-refcount.h:330 [inline] percpu_ref_put include/linux/percpu-refcount.h:351 [inline] css_put include/linux/cgroup_refcnt.h:79 [inline] uncharge_folio+0x25d/0x4f0 mm/memcontrol.c:7170 __mem_cgroup_uncharge+0x60/0x90 mm/memcontrol.c:7182 mem_cgroup_uncharge include/linux/memcontrol.h:705 [inline] __folio_put_small mm/swap.c:105 [inline] __folio_put+0x49/0xa0 mm/swap.c:129 folio_put include/linux/mm.h:1475 [inline] read_pages+0x119/0x1f0 mm/readahead.c:176 page_cache_ra_unbounded+0x1ea/0x240 mm/readahead.c:269 filemap_readahead mm/filemap.c:2531 [inline] filemap_get_pages+0x1f8/0x8f0 mm/filemap.c:2572 filemap_splice_read+0x1e2/0x3a0 mm/filemap.c:2919 splice_direct_to_actor+0xa2/0x250 fs/splice.c:1069 do_splice_direct+0x92/0xe0 fs/splice.c:1194 do_sendfile+0x291/0x460 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x9a/0xd0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa6cce7cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa6c47ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fa6ccf9c050 RCX: 00007fa6cce7cb29 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 RBP: 00007fa6ccec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fa6ccf9c050 R15: 00007ffe16e047d8