ci2 starts bisection 2023-10-27 01:58:27.444624787 +0000 UTC m=+8999.932948854 bisecting fixing commit since 18940c888c85fd7527375343bd4fcc94a540c69c building syzkaller on fbf0499acc828df26995835e51d83c3a0117e716 ensuring issue is reproducible on original commit 18940c888c85fd7527375343bd4fcc94a540c69c testing commit 18940c888c85fd7527375343bd4fcc94a540c69c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 856e47c7b19b193ca90e7cb1b80eb02b2e2198d43c495c4451fd90c9f47351b0 all runs: crashed: general protection fault in ni_readpage_cmpr representative crash: general protection fault in ni_readpage_cmpr, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 18940c888c85fd7527375343bd4fcc94a540c69c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 002b3037ab1a25b2ec0574471a669b56ca15fa75795bf324c3da0429010660d4 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed kconfig minimization: base=3930 full=7587 leaves diff=1986 split chunks (needed=false): <1986> split chunk #0 of len 1986 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 18940c888c85fd7527375343bd4fcc94a540c69c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e5ff9b6fd0e11a6e60e3c271a4453a8f19d23dfb3965828c601094b554f9fb7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 18940c888c85fd7527375343bd4fcc94a540c69c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2e679c3b297ab3a1fbee440b3052182d4e109823678eda0bf5ca699125f8726c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 18940c888c85fd7527375343bd4fcc94a540c69c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d265e3cd840c862c489025394d549cf43c7dd977c2d24f62fb588e90c3f3b883 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 18940c888c85fd7527375343bd4fcc94a540c69c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92efd0df75954a7b128473dd0e0f594e17a9fca275632fe6ee82c8d2db2c1837 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 18940c888c85fd7527375343bd4fcc94a540c69c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f92545f4d1f62cb8b7320408e1901c6b8585ba9a85f7499b78886c316c01356d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] the chunk can be dropped minimized to 398 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 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_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 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 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_8250_PCI1XXXX 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_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 SRCU 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_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 3a568e3a961ba330091cd031647e4c303fa0badb testing commit 3a568e3a961ba330091cd031647e4c303fa0badb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 42910f4b21306409eeef6b4580374e966fe543621ca7a66adbd338ba063f234d all runs: OK false negative chance: 0.000 # git bisect start 3a568e3a961ba330091cd031647e4c303fa0badb 18940c888c85fd7527375343bd4fcc94a540c69c Bisecting: 22823 revisions left to test after this (roughly 15 steps) [1b722407a13b7f8658d2e26917791f32805980a2] Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 18940c888c85fd7527375343bd4fcc94a540c69c crashed and is reachable testing commit 1b722407a13b7f8658d2e26917791f32805980a2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3404e559552986a3de682564f37e3a4cfee8cbb02e3921dd8f144c3e5620cea9 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 1b722407a13b7f8658d2e26917791f32805980a2 Bisecting: 11248 revisions left to test after this (roughly 14 steps) [bd6c11bc43c496cddfc6cf603b5d45365606dbd5] Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision 18940c888c85fd7527375343bd4fcc94a540c69c crashed and is reachable testing commit bd6c11bc43c496cddfc6cf603b5d45365606dbd5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7db27942169db14fbe3b3575b89aea8d774478e028818215e5e0e3dbb4e96e6 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #1: crashed: VFS: Busy inodes after unmount (use-after-free) run #2: crashed: VFS: Busy inodes after unmount (use-after-free) run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #4: crashed: VFS: Busy inodes after unmount (use-after-free) run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #8: crashed: VFS: Busy inodes after unmount (use-after-free) run #9: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good bd6c11bc43c496cddfc6cf603b5d45365606dbd5 Bisecting: 5611 revisions left to test after this (roughly 13 steps) [51e7accbe8ab51476fbe55fbb5616c12fb3a0beb] Merge tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb determine whether the revision contains the guilty commit revision 18940c888c85fd7527375343bd4fcc94a540c69c crashed and is reachable testing commit 51e7accbe8ab51476fbe55fbb5616c12fb3a0beb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40c65ed3cdc91b13013e330343ff540d6203a557071df3bcc1455648e7be89ab run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #1: crashed: VFS: Busy inodes after unmount (use-after-free) run #2: crashed: VFS: Busy inodes after unmount (use-after-free) run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #4: crashed: VFS: Busy inodes after unmount (use-after-free) run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #8: crashed: VFS: Busy inodes after unmount (use-after-free) run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 51e7accbe8ab51476fbe55fbb5616c12fb3a0beb Bisecting: 2773 revisions left to test after this (roughly 12 steps) [0c02183427b4d2002992f26d4917c1263c5d4a7f] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision 1b722407a13b7f8658d2e26917791f32805980a2 crashed and is reachable testing commit 0c02183427b4d2002992f26d4917c1263c5d4a7f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b23e3ae2b7fdd3d2d76b4b7256e24a568a392c41e11ececd17599dba1ec9454a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 0c02183427b4d2002992f26d4917c1263c5d4a7f Bisecting: 1386 revisions left to test after this (roughly 11 steps) [5edc6bb321d970c77d666a6cf8eeb060f2d18116] Merge tag 'trace-v6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace determine whether the revision contains the guilty commit revision bd6c11bc43c496cddfc6cf603b5d45365606dbd5 crashed and is reachable testing commit 5edc6bb321d970c77d666a6cf8eeb060f2d18116 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ed51fd44067f19d104c1de6d31c2e25213d7118ecd60563c72db86a2eadbeef0 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 5edc6bb321d970c77d666a6cf8eeb060f2d18116 Bisecting: 720 revisions left to test after this (roughly 10 steps) [2b3f2325e71f09098723727d665e2e8003d455dc] Merge tag 'kvm-x86-selftests-6.6-fixes' of https://github.com/kvm-x86/linux into HEAD determine whether the revision contains the guilty commit revision 0c02183427b4d2002992f26d4917c1263c5d4a7f crashed and is reachable testing commit 2b3f2325e71f09098723727d665e2e8003d455dc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48370745b169a376883773c0a0cac17065b26908f9a985b21ca0027060b0af15 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 2b3f2325e71f09098723727d665e2e8003d455dc Bisecting: 402 revisions left to test after this (roughly 9 steps) [74e9347ebc5be452935fe4f3eddb150aa5a6f4fe] Merge tag 'loongarch-fixes-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson determine whether the revision contains the guilty commit revision 1b722407a13b7f8658d2e26917791f32805980a2 crashed and is reachable testing commit 74e9347ebc5be452935fe4f3eddb150aa5a6f4fe gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c645ce643c0ad965f8cb33cf033a7dfcf2b774419fb0a3a809b1bbbfb76335d all runs: OK false negative chance: 0.000 # git bisect bad 74e9347ebc5be452935fe4f3eddb150aa5a6f4fe Bisecting: 157 revisions left to test after this (roughly 7 steps) [a1ef447deed5f5add172cd83efa48c46cb2b1a0d] Merge tag 'ceph-for-6.6-rc6' of https://github.com/ceph/ceph-client determine whether the revision contains the guilty commit revision 5edc6bb321d970c77d666a6cf8eeb060f2d18116 crashed and is reachable testing commit a1ef447deed5f5add172cd83efa48c46cb2b1a0d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1d4c25ce5bd24864c0d8e9b62eca43fdd45fe3d99efb19e47a98c4f7e26e95fd all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good a1ef447deed5f5add172cd83efa48c46cb2b1a0d Bisecting: 77 revisions left to test after this (roughly 6 steps) [41226a360d8f51c13935bbc2ac8925c0fe8d41f7] Merge tag 'tty-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty determine whether the revision contains the guilty commit revision 5edc6bb321d970c77d666a6cf8eeb060f2d18116 crashed and is reachable testing commit 41226a360d8f51c13935bbc2ac8925c0fe8d41f7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 295d3d5748c09451dc40d598bbf7d75b1d52b543276e327c6b3f225a660c596c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 41226a360d8f51c13935bbc2ac8925c0fe8d41f7 Bisecting: 36 revisions left to test after this (roughly 5 steps) [06dc10eae55b5ceabfef287a7e5f16ceea204aa0] Merge tag 'fbdev-for-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev determine whether the revision contains the guilty commit revision 5edc6bb321d970c77d666a6cf8eeb060f2d18116 crashed and is reachable testing commit 06dc10eae55b5ceabfef287a7e5f16ceea204aa0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fd7eadf2ed06be4cf157a53fd48f2e1202c520ffaebc37ea25cebc4704bd8f24 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 06dc10eae55b5ceabfef287a7e5f16ceea204aa0 Bisecting: 18 revisions left to test after this (roughly 4 steps) [85a4780dc96ed9dd643bbadf236552b3320fae26] fs/ntfs3: Fix directory element type detection determine whether the revision contains the guilty commit revision 18940c888c85fd7527375343bd4fcc94a540c69c crashed and is reachable testing commit 85a4780dc96ed9dd643bbadf236552b3320fae26 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a3e0c16d63c980858007329ad38bd282ddca60c6a82458be6ac6face38b0ec4 run #0: infra problem: create image operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '4110306842302824287') ForceSendFields:[] NullFields:[]}. run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 85a4780dc96ed9dd643bbadf236552b3320fae26 Bisecting: 8 revisions left to test after this (roughly 3 steps) [dcc852e509a4cba0ac6ac734077cef260e4e0fe6] fs/ntfs3: Fix alternative boot searching determine whether the revision contains the guilty commit revision bd6c11bc43c496cddfc6cf603b5d45365606dbd5 crashed and is reachable testing commit dcc852e509a4cba0ac6ac734077cef260e4e0fe6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1015c77a8e691665830f246f93960ae0bf012076b5002e125b6f45ed46cf91da all runs: OK false negative chance: 0.000 # git bisect bad dcc852e509a4cba0ac6ac734077cef260e4e0fe6 Bisecting: 4 revisions left to test after this (roughly 2 steps) [013ff63b649475f0ee134e2c8d0c8e65284ede50] fs/ntfs3: Add more attributes checks in mi_enum_attr() determine whether the revision contains the guilty commit revision 18940c888c85fd7527375343bd4fcc94a540c69c crashed and is reachable testing commit 013ff63b649475f0ee134e2c8d0c8e65284ede50 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad3418927e43cce315685807a69c639a074c530134095dad195a4f5622e257fb all runs: OK false negative chance: 0.000 # git bisect bad 013ff63b649475f0ee134e2c8d0c8e65284ede50 Bisecting: 1 revision left to test after this (roughly 1 step) [06ccfb00645990a9fcc14249e6d1c25921ecb836] fs/ntfs3: Write immediately updated ntfs state determine whether the revision contains the guilty commit revision bd6c11bc43c496cddfc6cf603b5d45365606dbd5 crashed and is reachable testing commit 06ccfb00645990a9fcc14249e6d1c25921ecb836 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c43752bd23e3cc73906920b42e72066ae63ef49199141e7a3dd83bd03486f46 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good 06ccfb00645990a9fcc14249e6d1c25921ecb836 Bisecting: 0 revisions left to test after this (roughly 0 steps) [fc471e39e38fea6677017cbdd6d928088a59fc67] fs/ntfs3: Use kvmalloc instead of kmalloc(... __GFP_NOWARN) determine whether the revision contains the guilty commit revision 1b722407a13b7f8658d2e26917791f32805980a2 crashed and is reachable testing commit fc471e39e38fea6677017cbdd6d928088a59fc67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 755075547b4e97b0f1b52508b23ac0b276630e3188b83608f6461b4134a8efb6 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr representative crash: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr, types: [UNKNOWN] # git bisect good fc471e39e38fea6677017cbdd6d928088a59fc67 013ff63b649475f0ee134e2c8d0c8e65284ede50 is the first bad commit commit 013ff63b649475f0ee134e2c8d0c8e65284ede50 Author: Konstantin Komarov Date: Fri Jun 30 16:17:02 2023 +0400 fs/ntfs3: Add more attributes checks in mi_enum_attr() Signed-off-by: Konstantin Komarov fs/ntfs3/record.c | 68 ++++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 52 insertions(+), 16 deletions(-) accumulated error probability: 0.00 culprit signature: ad3418927e43cce315685807a69c639a074c530134095dad195a4f5622e257fb parent signature: 755075547b4e97b0f1b52508b23ac0b276630e3188b83608f6461b4134a8efb6 revisions tested: 23, total time: 3h12m6.712161345s (build: 1h17m20.436133106s, test: 1h45m9.738490033s) first good commit: 013ff63b649475f0ee134e2c8d0c8e65284ede50 fs/ntfs3: Add more attributes checks in mi_enum_attr() recipients (to): ["almaz.alexandrovich@paragon-software.com"] recipients (cc): []