ci starts bisection 2023-11-21 11:00:45.146595311 +0000 UTC m=+667408.121761163 bisecting fixing commit since 1b29d271614abd97cc39782daa9d6dd70e98609f building syzkaller on f3921d4d63f97d1f1fb49a69ea85744bb7ef184b ensuring issue is reproducible on original commit 1b29d271614abd97cc39782daa9d6dd70e98609f testing commit 1b29d271614abd97cc39782daa9d6dd70e98609f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f1af9530c6fba0f8bf90fc7f002b0de641d85f729620de0eb11efe9618989bae 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 1b29d271614abd97cc39782daa9d6dd70e98609f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 314e2562dc34533682f228f6bab532fb1b3a2e8e3e27640f56e68e46bc098fe3 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 [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3923 full=7594 leaves diff=2004 split chunks (needed=false): <2004> split chunk #0 of len 2004 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 1b29d271614abd97cc39782daa9d6dd70e98609f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8c4a1b00c51c1a9bfde4e7e4b0990172ef4539d78479f21d0dbf367cc8699e8d 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 [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 1b29d271614abd97cc39782daa9d6dd70e98609f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: adb5c3014e7d7e60ceca2191cd8aaa4da762ae88aa4a28bde5796c390b3f55ad 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 1b29d271614abd97cc39782daa9d6dd70e98609f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f21986ef8585a540098543c532277202b5f7fd65fbaffaf446d13a5ede9f21f 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 1b29d271614abd97cc39782daa9d6dd70e98609f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 54ed3d3cdf2a461be9e184c5bf925ba3f725c7b249505895fcb76c460c135007 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 1b29d271614abd97cc39782daa9d6dd70e98609f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 68f1129b32f71e7675f28fd710b6560bbe08901d8c85c256b661ed261503f0a2 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 401 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CC_HAS_UBSAN_BOUNDS 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_POOL_STATS 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 PER_VMA_LOCK_STATS 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 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 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 UBSAN_ONLY_BOUNDS 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_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 HANG LEAK UBSAN BUG KASAN], they are not needed testing current HEAD 98b1cc82c4affc16f5598d4fa14b1858671b2263 testing commit 98b1cc82c4affc16f5598d4fa14b1858671b2263 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55a28e01881f70795e7d51719a8ca91f48d6236735420ea80837fd97b1f01d6a all runs: OK false negative chance: 0.000 # git bisect start 98b1cc82c4affc16f5598d4fa14b1858671b2263 1b29d271614abd97cc39782daa9d6dd70e98609f Bisecting: 23496 revisions left to test after this (roughly 15 steps) [4a3b1007eeb26b2bb7ae4d734cc8577463325165] Merge tag 'pinctrl-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl determine whether the revision contains the guilty commit revision 1b29d271614abd97cc39782daa9d6dd70e98609f crashed and is reachable testing commit 4a3b1007eeb26b2bb7ae4d734cc8577463325165 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 323e19d3ea02b7b6c11c481e562c4bdde649e2373a85ab7e389c767b52251f74 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr run #2: crashed: VFS: Busy inodes after unmount (use-after-free) run #3: crashed: VFS: Busy inodes after unmount (use-after-free) run #4: crashed: VFS: Busy inodes after unmount (use-after-free) run #5: crashed: VFS: Busy inodes after unmount (use-after-free) 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: BUG: unable to handle kernel NULL pointer dereference in ni_readpage_cmpr 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 4a3b1007eeb26b2bb7ae4d734cc8577463325165 Bisecting: 12709 revisions left to test after this (roughly 14 steps) [5a6a09e97199d6600d31383055f9d43fbbcbe86f] Merge tag 'cgroup-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup determine whether the revision contains the guilty commit revision 1b29d271614abd97cc39782daa9d6dd70e98609f crashed and is reachable testing commit 5a6a09e97199d6600d31383055f9d43fbbcbe86f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 759e64ae622b9d277569de32658388ff2eca115e795e8f1a6538b50478344085 all runs: OK false negative chance: 0.000 # git bisect bad 5a6a09e97199d6600d31383055f9d43fbbcbe86f Bisecting: 5394 revisions left to test after this (roughly 12 steps) [72897b29599934753d67932fccdde4c61d03b6db] Merge tag 'wireless-2023-09-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless determine whether the revision contains the guilty commit revision 1b29d271614abd97cc39782daa9d6dd70e98609f crashed and is reachable testing commit 72897b29599934753d67932fccdde4c61d03b6db gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6caf6ccc8262cd8dd46646105c9a3bbd6a2d442e8214e3b1eec5b9a11127b57 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 72897b29599934753d67932fccdde4c61d03b6db Bisecting: 2698 revisions left to test after this (roughly 11 steps) [aef32bf7cc040fc770199f0c1a0a2cd26f164f45] bcachefs: __bch2_btree_insert() -> bch2_btree_insert_trans() determine whether the revision contains the guilty commit revision 1b29d271614abd97cc39782daa9d6dd70e98609f crashed and is reachable testing commit aef32bf7cc040fc770199f0c1a0a2cd26f164f45 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21d955157d95a3334a8d57bea313e03a32f4b451ae0c57549ea8cfcbe64277c5 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 aef32bf7cc040fc770199f0c1a0a2cd26f164f45 Bisecting: 1349 revisions left to test after this (roughly 10 steps) [7c14564010fc1d0f16ca7d39b0ff948b43344209] Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost determine whether the revision contains the guilty commit revision 4a3b1007eeb26b2bb7ae4d734cc8577463325165 crashed and is reachable testing commit 7c14564010fc1d0f16ca7d39b0ff948b43344209 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 88f03c6ffb39553ba848f4a6405ace8e0654f3e543f6ce3e5243b5f81149aedb all runs: OK false negative chance: 0.000 # git bisect bad 7c14564010fc1d0f16ca7d39b0ff948b43344209 Bisecting: 675 revisions left to test after this (roughly 9 steps) [832b5d0bf94cab3ab1ca690fca3c3d931f5fa7cd] Merge tag 'v6.6-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 determine whether the revision contains the guilty commit revision 1b29d271614abd97cc39782daa9d6dd70e98609f crashed and is reachable testing commit 832b5d0bf94cab3ab1ca690fca3c3d931f5fa7cd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4dab58c158b78ee02cf2f3d303a4179be941cfa939b6414eedadb7bb2569ffa2 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 832b5d0bf94cab3ab1ca690fca3c3d931f5fa7cd Bisecting: 336 revisions left to test after this (roughly 8 steps) [213f891525c222e8ed145ce1ce7ae1f47921cb9c] Merge tag 'probes-fixes-v6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace determine whether the revision contains the guilty commit revision 4a3b1007eeb26b2bb7ae4d734cc8577463325165 crashed and is reachable testing commit 213f891525c222e8ed145ce1ce7ae1f47921cb9c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3d4f878318a4ebbf8033ca45f77e89911bbed36ce9ce7ddfccf35e4fe1787743 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 213f891525c222e8ed145ce1ce7ae1f47921cb9c Bisecting: 158 revisions left to test after this (roughly 7 steps) [c8045b4a33a511ff1feaeb806e819572b90b6625] Merge tag 'drm-fixes-2023-10-20' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 213f891525c222e8ed145ce1ce7ae1f47921cb9c crashed and is reachable testing commit c8045b4a33a511ff1feaeb806e819572b90b6625 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef08eca9f47b47f2af0b42761d37ad3d06469429647c88634695e10277765171 all runs: OK false negative chance: 0.000 # git bisect bad c8045b4a33a511ff1feaeb806e819572b90b6625 Bisecting: 87 revisions left to test after this (roughly 7 steps) [9b9ac46c6cb52a2f3f779732d6837ecab1ca78dc] Merge tag 'nf-23-10-18' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf determine whether the revision contains the guilty commit revision 72897b29599934753d67932fccdde4c61d03b6db crashed and is reachable testing commit 9b9ac46c6cb52a2f3f779732d6837ecab1ca78dc gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c525053c2f9061297acb9b727920c9e71b9d21f27c90333fa62081554eeb26f3 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 9b9ac46c6cb52a2f3f779732d6837ecab1ca78dc Bisecting: 45 revisions left to test after this (roughly 6 steps) [54fb58aec47a49a80534d2ccabd319334d6b0ef8] Merge tag 'slab-fixes-for-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab determine whether the revision contains the guilty commit revision 832b5d0bf94cab3ab1ca690fca3c3d931f5fa7cd crashed and is reachable testing commit 54fb58aec47a49a80534d2ccabd319334d6b0ef8 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0d803a5fc2d97e09a830f0f43e83389499d6a0b4cb58053d2650aa0ec631e07 all runs: OK false negative chance: 0.000 # git bisect bad 54fb58aec47a49a80534d2ccabd319334d6b0ef8 Bisecting: 22 revisions left to test after this (roughly 4 steps) [e4494770a5cad3c9d1d2a65ed15d07656c0d9b82] fs/ntfs3: Avoid possible memory leak determine whether the revision contains the guilty commit revision 4a3b1007eeb26b2bb7ae4d734cc8577463325165 crashed and is reachable testing commit e4494770a5cad3c9d1d2a65ed15d07656c0d9b82 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 18ad59be863a9406188db986ff46d70af69565be9f2b8d9670cb01baa6084129 all runs: OK false negative chance: 0.000 # git bisect bad e4494770a5cad3c9d1d2a65ed15d07656c0d9b82 Bisecting: 9 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 4a3b1007eeb26b2bb7ae4d734cc8577463325165 crashed and is reachable testing commit dcc852e509a4cba0ac6ac734077cef260e4e0fe6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8fa1767d4b7dc86b3e85bcdce2f69b269c3a214f45d1d9628ab31804f87b8c95 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 1b29d271614abd97cc39782daa9d6dd70e98609f crashed and is reachable testing commit 013ff63b649475f0ee134e2c8d0c8e65284ede50 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0ba1ce7a7565ceabaa8aee92257cc6560e321b6a9b9ba0c2519689a4e47c14ea 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 1b29d271614abd97cc39782daa9d6dd70e98609f crashed and is reachable testing commit 06ccfb00645990a9fcc14249e6d1c25921ecb836 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b9d62dca58bdc93b78907a9322d3cd6ebdb2c0a17de74149c32e7cc030c68c3 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 06ccfb00645990a9fcc14249e6d1c25921ecb836 crashed and is reachable testing commit fc471e39e38fea6677017cbdd6d928088a59fc67 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55fd0d3343ec09c81b31e744624d3564da160883b3653f9e080a1955b03fe567 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: 0ba1ce7a7565ceabaa8aee92257cc6560e321b6a9b9ba0c2519689a4e47c14ea parent signature: 55fd0d3343ec09c81b31e744624d3564da160883b3653f9e080a1955b03fe567 revisions tested: 23, total time: 4h56m27.092227212s (build: 2h13m11.963260953s, test: 2h28m27.824243191s) first good commit: 013ff63b649475f0ee134e2c8d0c8e65284ede50 fs/ntfs3: Add more attributes checks in mi_enum_attr() recipients (to): ["almaz.alexandrovich@paragon-software.com" "almaz.alexandrovich@paragon-software.com" "ntfs3@lists.linux.dev"] recipients (cc): ["linux-kernel@vger.kernel.org"]