ci2 starts bisection 2024-03-24 02:12:37.096042858 +0000 UTC m=+77516.211594703 bisecting fixing commit since 6139f2a02fe0ac7a08389b4eb786e0c659039ddd building syzkaller on 345111b5c0a164190c90a1134a8c8b801792759d ensuring issue is reproducible on original commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 420511dfb2718579d0e0f3afe4349d2c92510841fb5c6cebd84d1ff399f5c050 run #0: crashed: INFO: task hung in ni_readpage_cmpr run #1: crashed: INFO: task hung in ni_readpage_cmpr run #2: crashed: INFO: task hung in ntfs_readpage run #3: crashed: INFO: task hung in ntfs_readpage run #4: crashed: INFO: task hung in ntfs_get_frame_pages run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ntfs_readpage run #7: crashed: INFO: task hung in ntfs_readpage run #8: crashed: INFO: task hung in ntfs_readpage run #9: crashed: INFO: task hung in ntfs_readpage 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_readpage run #13: crashed: INFO: task hung in ntfs_readpage run #14: crashed: INFO: task hung in ni_readpage_cmpr run #15: crashed: INFO: task hung in ntfs_readpage run #16: crashed: INFO: task hung in ntfs_readpage run #17: crashed: INFO: task hung in ni_readpage_cmpr run #18: crashed: INFO: task hung in ntfs_get_frame_pages run #19: crashed: INFO: task hung in ntfs_readpage representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d4c00f9aede459a53079654a87e025971d29d6c03dfdc806d85abfa2aec10380 run #0: crashed: INFO: task hung in ntfs_readpage run #1: crashed: INFO: task hung in ntfs_readpage run #2: crashed: INFO: task hung in ntfs_readpage run #3: crashed: INFO: task hung in ntfs_readpage 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_readpage run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in ntfs_readpage, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3703 full=7266 leaves diff=1981 split chunks (needed=false): <1981> split chunk #0 of len 1981 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d7f84ba1de65ed9c3df5a535f0e2b525470a7a980e00ee2b26106dc5362fc318 run #0: crashed: INFO: task hung in ni_readpage_cmpr run #1: crashed: INFO: task hung in ntfs_readpage run #2: crashed: INFO: task hung in ntfs_readpage run #3: crashed: INFO: task hung in ntfs_readpage run #4: crashed: INFO: task hung in ntfs_readpage run #5: crashed: INFO: task hung in ni_readpage_cmpr run #6: crashed: INFO: task hung in ni_readpage_cmpr run #7: crashed: INFO: task hung in ntfs_readpage run #8: crashed: INFO: task hung in ntfs_readpage run #9: OK representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6021d024498cb201e20477bdd8d683fe3eb5a50926a0956b5b9d9fae4c695895 run #0: crashed: INFO: task hung in ni_readpage_cmpr run #1: crashed: INFO: task hung in ntfs_readpage run #2: crashed: INFO: task hung in ni_readpage_cmpr run #3: crashed: INFO: task hung in ntfs_readpage run #4: crashed: INFO: task hung in ni_readpage_cmpr run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ea3841da042725ac3b9d6e12300f2bbb5fec5adb85153927e7bb5deb59a4b4c run #0: crashed: INFO: task hung in ni_readpage_cmpr run #1: crashed: INFO: task hung in ni_readpage_cmpr run #2: crashed: INFO: task hung in ntfs_get_frame_pages run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: crashed: INFO: task hung in ntfs_map_page run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 33af1d1ed949f7480bf1b816876f75fc0074bec727c19954b7f22218e1bc8ede all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 6139f2a02fe0ac7a08389b4eb786e0c659039ddd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9f774e5267cf95da0bc263c5eeb3e6a3426ac92fa7a4b87930b3ecf3237183bc run #0: crashed: INFO: task hung in ntfs_readpage run #1: crashed: INFO: task hung in ntfs_map_page run #2: crashed: INFO: task hung in ntfs_map_page run #3: crashed: INFO: task hung in ni_readpage_cmpr run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in ntfs_readpage, types: [HANG] the chunk can be dropped minimized to 397 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO 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 LIBCRC32C 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 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_REPORTING 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 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_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU 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 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_COMMON SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION 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_CGROUP_DATA 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 STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC 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 TARGET_CORE TASKS_RCU TASKS_RCU_GENERIC 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 TPM_KEY_PARSER TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS 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_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA 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_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD b95c01af211304429c11b8c8bdf791ab11f7f395 testing commit b95c01af211304429c11b8c8bdf791ab11f7f395 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2386c0d70deaa74a514def21150888f3aab4e58ae25aa8c3336f202fca9a2309 run #0: crashed: INFO: task hung in ntfs_readpage 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 ni_readpage_cmpr run #4: crashed: INFO: task hung in ntfs_get_frame_pages run #5: crashed: INFO: task hung in ntfs_readpage run #6: crashed: INFO: task hung in ntfs_readpage run #7: crashed: INFO: task hung in ntfs_map_page run #8: crashed: INFO: task hung in ntfs_map_page run #9: crashed: INFO: task hung in ntfs_get_frame_pages run #10: crashed: INFO: task hung in ntfs_map_page run #11: crashed: INFO: task hung in ntfs_readpage run #12: OK run #13: crashed: INFO: task hung in ni_readpage_cmpr run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in ntfs_readpage, types: [HANG] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.40 repro chance estimate) revisions tested: 8, total time: 2h32m18.690434135s (build: 23m31.940633332s, test: 2h6m39.440731621s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.152 crash: INFO: task hung in ntfs_readpage INFO: task syz-executor.1:4644 blocked for more than 143 seconds. Not tainted 5.15.152-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:13160 pid: 4644 ppid: 1604 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x378/0x13e0 kernel/sched/core.c:6376 schedule+0x68/0xb0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:6518 __mutex_lock_common kernel/locking/mutex.c:669 [inline] __mutex_lock+0x471/0x730 kernel/locking/mutex.c:729 ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline] ntfs_readpage+0x42/0xd0 fs/ntfs3/inode.c:724 filemap_read_page+0x50/0x170 mm/filemap.c:2386 filemap_update_page mm/filemap.c:2464 [inline] filemap_get_pages+0x538/0x6f0 mm/filemap.c:2574 filemap_read+0x9d/0x3b0 mm/filemap.c:2634 call_read_iter include/linux/fs.h:2142 [inline] generic_file_splice_read+0xf4/0x1b0 fs/splice.c:311 splice_direct_to_actor+0xaa/0x200 fs/splice.c:870 do_splice_direct+0x8c/0xd0 fs/splice.c:979 do_sendfile+0x35e/0x520 fs/read_write.c:1249 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f71e87e5da9 RSP: 002b:00007f71e83670c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f71e8913f80 RCX: 00007f71e87e5da9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f71e883247a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f71e8913f80 R15: 00007ffcd26b04e8 INFO: task syz-executor.1:4647 blocked for more than 143 seconds. Not tainted 5.15.152-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:13496 pid: 4647 ppid: 1604 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5030 [inline] __schedule+0x378/0x13e0 kernel/sched/core.c:6376 schedule+0x68/0xb0 kernel/sched/core.c:6459 io_schedule+0x3d/0x60 kernel/sched/core.c:8484 wait_on_page_bit_common+0x116/0x440 mm/filemap.c:1356 __lock_page mm/filemap.c:1648 [inline] lock_page include/linux/pagemap.h:625 [inline] pagecache_get_page+0x3f8/0x690 mm/filemap.c:1910 find_or_create_page include/linux/pagemap.h:420 [inline] ni_readpage_cmpr+0x121/0x280 fs/ntfs3/frecord.c:2087 ntfs_readpage+0x4d/0xd0 fs/ntfs3/inode.c:725 filemap_read_page+0x50/0x170 mm/filemap.c:2386 filemap_update_page mm/filemap.c:2464 [inline] filemap_get_pages+0x538/0x6f0 mm/filemap.c:2574 filemap_read+0x9d/0x3b0 mm/filemap.c:2634 call_read_iter include/linux/fs.h:2142 [inline] generic_file_splice_read+0xf4/0x1b0 fs/splice.c:311 splice_direct_to_actor+0xaa/0x200 fs/splice.c:870 do_splice_direct+0x8c/0xd0 fs/splice.c:979 do_sendfile+0x35e/0x520 fs/read_write.c:1249 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f71e87e5da9 RSP: 002b:00007f71e83460c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f71e8914050 RCX: 00007f71e87e5da9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 RBP: 00007f71e883247a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f71e8914050 R15: 00007ffcd26b04e8 Showing all locks held in the system: 1 lock held by khungtaskd/26: #0: ffffffff831774c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf7 kernel/locking/lockdep.c:6453 2 locks held by getty/1017: #0: ffff888106491098 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x50 drivers/tty/tty_ldisc.c:252 #1: ffffc90002b6f2e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x4eb/0x610 drivers/tty/n_tty.c:2158 3 locks held by syz-executor.1/4644: #0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 #1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_update_page mm/filemap.c:2435 [inline] #1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_get_pages+0x2c1/0x6f0 mm/filemap.c:2574 #2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline] #2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ntfs_readpage+0x42/0xd0 fs/ntfs3/inode.c:724 3 locks held by syz-executor.1/4647: #0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff88810948f448 (sb_writers#13){....}-{0:0}, at: do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 #1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline] #1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_update_page mm/filemap.c:2435 [inline] #1: ffff88811143eae8 (mapping.invalidate_lock#3){....}-{3:3}, at: filemap_get_pages+0x2c1/0x6f0 mm/filemap.c:2574 #2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline] #2: ffff88811143e6b8 (&ni->ni_lock/4){....}-{3:3}, at: ntfs_readpage+0x42/0xd0 fs/ntfs3/inode.c:724 1 lock held by udevd/5278: #0: ffff8881049ea918 (&disk->open_mutex){....}-{3:3}, at: blkdev_get_by_dev+0x51/0x2e0 block/bdev.c:817 2 locks held by syz-executor.3/8373: #0: ffff88813bc2ba58 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x19/0x80 kernel/sched/core.c:475 #1: ffff88813bc1b808 (&per_cpu_ptr(group->pcpu, cpu)->seq){....}-{0:0}, at: psi_task_switch+0x1c9/0x1f0 kernel/sched/psi.c:891 2 locks held by syz-executor.2/8377: 1 lock held by syz-executor.2/8384: 2 locks held by syz-executor.0/8379: #0: ffff8881049ea918 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0 block/bdev.c:912 #1: ffff888142fc5468 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90 drivers/block/loop.c:2070 2 locks held by syz-executor.4/8386: #0: ffff8881049ec718 (&disk->open_mutex){....}-{3:3}, at: blkdev_put+0x35/0x1e0 block/bdev.c:912 #1: ffff888101f9b468 (&lo->lo_mutex){....}-{3:3}, at: lo_release+0x1b/0x90 drivers/block/loop.c:2070 2 locks held by syz-executor.1/8391: 1 lock held by syz-executor.1/8392: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.15.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x41/0x5e lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x32/0x80 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x91/0xb0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0x4a2/0x4e0 kernel/hung_task.c:295 kthread+0x124/0x150 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8391 Comm: syz-executor.1 Not tainted 5.15.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:__page_memcg include/linux/memcontrol.h:410 [inline] RIP: 0010:page_memcg include/linux/memcontrol.h:459 [inline] RIP: 0010:lock_page_memcg+0x88/0x280 mm/memcontrol.c:2049 Code: 85 a3 00 00 00 48 83 3a ff 0f 84 85 01 00 00 48 8b 4d 08 48 8d 51 ff 83 e1 01 48 0f 44 d5 48 8b 12 80 e6 02 0f 85 a8 01 00 00 <48> 83 e0 fc 48 89 c3 48 85 db 0f 84 b7 00 00 00 8b 83 80 10 00 00 RSP: 0018:ffffc90bef747ae8 EFLAGS: 00000246 RAX: ffff888109cf0000 RBX: ffff888108ac1c78 RCX: 0000000000000000 RDX: 017ff00000000017 RSI: 00000000d3d1ef9c RDI: 00000000c99ecb36 RBP: ffffea00044fe140 R08: 0000000000020015 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000004 R12: ffffc90bef747b58 R13: ffffea00044fe140 R14: 0000000000000000 R15: 00000000000017d6 FS: 00007fedae0436c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556f49818 CR3: 000000012a640000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_buffer_dirty+0x8e/0x130 fs/buffer.c:1104 __block_write_begin_int+0x2d9/0x530 fs/buffer.c:2024 ext4_da_write_begin+0x129/0x2e0 fs/ext4/inode.c:2991 generic_perform_write+0xbf/0x1f0 mm/filemap.c:3785 ext4_buffered_write_iter+0x9a/0x150 fs/ext4/file.c:268 call_write_iter include/linux/fs.h:2148 [inline] do_iter_readv_writev+0x14d/0x1a0 fs/read_write.c:729 do_iter_write+0x7a/0x1c0 fs/read_write.c:855 iter_file_splice_write+0x28f/0x430 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x24/0x40 fs/splice.c:936 splice_direct_to_actor+0xd5/0x200 fs/splice.c:891 do_splice_direct+0x8c/0xd0 fs/splice.c:979 do_sendfile+0x35e/0x520 fs/read_write.c:1249 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fedae4c1da9 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:00007fedae0430c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fedae5eff80 RCX: 00007fedae4c1da9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00007fedae50e47a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000016 R14: 00007fedae5eff80 R15: 00007ffd4839f478