ci2 starts bisection 2023-09-15 14:24:51.548451269 +0000 UTC m=+194823.577625382 bisecting fixing commit since f9ff5644bcc04221bae56f922122f2b7f5d24d62 building syzkaller on 05494336991504e3c6137b89eeddd492e17af6b6 ensuring issue is reproducible on original commit f9ff5644bcc04221bae56f922122f2b7f5d24d62 testing commit f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 17d4785eb7ef68d1756c190700ed88fc4d19d64110bb813cb22fdb2e61f987d9 all runs: crashed: general protection fault in __d_instantiate representative crash: general protection fault in __d_instantiate, 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 f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 28d55253ff3895f41acd4049ab4b480065ed4c6359d2f05201d663c28ab54684 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=3876 full=7549 leaves diff=2002 split chunks (needed=false): <2002> split chunk #0 of len 2002 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b30da4c231544cdac1c747ac46f046f11435a50f32ce2fda92ec1e150a4c5243 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2053e6fd7ba975ef4ecc1522b1f80d7bc30c5a060e35fc197c64dd72c9196e18 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f4321b37f5d1c6929242e9539a4af1638fcdf478bf0116b8b01443dff96ada41 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, 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 f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3d46dd30174d43c4b762f32cf5604c018fcd59b2949a2a2793fbf263f63ba21 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 f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 946b077c17bfe47c8234c0cf5a1537889b521ef52489510da01ca69e5e103915 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] the chunk can be dropped minimized to 401 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_TABLES NF_TABLES_ARP NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_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 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_APPARMOR SECURITY_APPARMOR_DEBUG SECURITY_APPARMOR_DEBUG_ASSERTS SECURITY_APPARMOR_HASH SECURITY_APPARMOR_HASH_DEFAULT SECURITY_APPARMOR_INTROSPECT_POLICY 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_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 STAGING_MEDIA 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 [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 9fdfb15a3dbf818e06be514f4abbfc071004cbe7 testing commit 9fdfb15a3dbf818e06be514f4abbfc071004cbe7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2bb98938177a803ff74a62321e3f50edbbe0b03a431323dd79d79408c8a8c5a9 all runs: OK false negative chance: 0.000 # git bisect start 9fdfb15a3dbf818e06be514f4abbfc071004cbe7 f9ff5644bcc04221bae56f922122f2b7f5d24d62 Bisecting: 31584 revisions left to test after this (roughly 15 steps) [c8c655c34e33544aec9d64b660872ab33c29b5f1] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit c8c655c34e33544aec9d64b660872ab33c29b5f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc750394ba47fe45444cf12c4414928daf076ebd7bfa14840a99ff2836d579f2 all runs: OK false negative chance: 0.000 # git bisect bad c8c655c34e33544aec9d64b660872ab33c29b5f1 Bisecting: 15978 revisions left to test after this (roughly 14 steps) [ecf1d926661bec4080a79c0ac9dbfe02b31702cf] mailmap: map Dikshita Agarwal's old address to his current one determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit ecf1d926661bec4080a79c0ac9dbfe02b31702cf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73a20dd4a58fef9dce4fe42b8cb29a7f541007bb5776784805c8ce6f3f07cf16 all runs: OK false negative chance: 0.000 # git bisect bad ecf1d926661bec4080a79c0ac9dbfe02b31702cf Bisecting: 8850 revisions left to test after this (roughly 13 steps) [36289a03bcd3aabdf66de75cb6d1b4ee15726438] Merge tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit 36289a03bcd3aabdf66de75cb6d1b4ee15726438 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77f4e43a15e903b31a3bd873c88fb1bc9bf8c261ac2e36b3a66b0035fc83e294 all runs: OK false negative chance: 0.000 # git bisect bad 36289a03bcd3aabdf66de75cb6d1b4ee15726438 Bisecting: 3440 revisions left to test after this (roughly 12 steps) [dee4bf7167cfcae642e0cf04bef81dca49cc286f] Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit dee4bf7167cfcae642e0cf04bef81dca49cc286f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8fe3419a514c13ffc5bc22576acdc18e7e237c0d6a0a2a3abc5c5889d84f196 all runs: OK false negative chance: 0.000 # git bisect bad dee4bf7167cfcae642e0cf04bef81dca49cc286f Bisecting: 1668 revisions left to test after this (roughly 11 steps) [50011c32f421215f6231996fcc84fd1fe81c4a48] Merge tag 'net-6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit 50011c32f421215f6231996fcc84fd1fe81c4a48 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 30ac9f98ef493476b051e800fd65890d935811911dc5c37b42140812c9b3e362 all runs: OK false negative chance: 0.000 # git bisect bad 50011c32f421215f6231996fcc84fd1fe81c4a48 Bisecting: 890 revisions left to test after this (roughly 10 steps) [4d1c1379d71777ddeda3e54f8fc26e9ecbfd1009] net/mlx5: Lag, fix failure to cancel delayed bond work determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit 4d1c1379d71777ddeda3e54f8fc26e9ecbfd1009 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7ce6255ef1739eae7cb3a9a6b98739e312f1583afe4d36f218f0ac057de856a6 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] # git bisect good 4d1c1379d71777ddeda3e54f8fc26e9ecbfd1009 Bisecting: 411 revisions left to test after this (roughly 9 steps) [d1ac1a2b14264e98c24db6f8c2bd452e695c7238] Merge tag 'perf-tools-for-v6.2-2-2022-12-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit d1ac1a2b14264e98c24db6f8c2bd452e695c7238 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b6c524b1df46668b738dc8b13b9414590b1d286795cb7b9b6116d7f82018bbc all runs: OK false negative chance: 0.000 # git bisect bad d1ac1a2b14264e98c24db6f8c2bd452e695c7238 Bisecting: 218 revisions left to test after this (roughly 8 steps) [7a693ea78e3c48605a2d849fd241ff15561f10d5] Merge tag 'pwm/for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm determine whether the revision contains the guilty commit revision f9ff5644bcc04221bae56f922122f2b7f5d24d62 crashed and is reachable testing commit 7a693ea78e3c48605a2d849fd241ff15561f10d5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 86269e6132a415c69dcf14adaf0d743b2e015b0f091366eec18aa38f2af0a694 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] # git bisect good 7a693ea78e3c48605a2d849fd241ff15561f10d5 Bisecting: 111 revisions left to test after this (roughly 7 steps) [0a924817d2ed9396401e0557c6134276d2e26382] Merge tag '6.2-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6 determine whether the revision contains the guilty commit revision 7a693ea78e3c48605a2d849fd241ff15561f10d5 crashed and is reachable testing commit 0a924817d2ed9396401e0557c6134276d2e26382 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 09d156e4ed247ec08b6f77791cba24cd2ebc212be3fa275a427e280d013b9379 all runs: OK false negative chance: 0.000 # git bisect bad 0a924817d2ed9396401e0557c6134276d2e26382 Bisecting: 53 revisions left to test after this (roughly 6 steps) [0ad9dfcb8d3fd6ef91983ccb93fafbf9e3115796] fs/ntfs3: Changing locking in ntfs_rename determine whether the revision contains the guilty commit checking the merge base f76349cf41451c5c42a99f18a9163377e4b364ff no existing result, test the revision testing commit f76349cf41451c5c42a99f18a9163377e4b364ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7fb29a7184ab34e2d0428cd7a734c8f46ac609f24356ff0883f3fbbcf6067d84 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] testing commit 0ad9dfcb8d3fd6ef91983ccb93fafbf9e3115796 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0df264aa51afc8208eebcf1c8284257e17e2d3d0a5b4284d90e83919059b1ada all runs: OK false negative chance: 0.000 # git bisect bad 0ad9dfcb8d3fd6ef91983ccb93fafbf9e3115796 Bisecting: 26 revisions left to test after this (roughly 5 steps) [0d0f659bf713662fabed973f9996b8f23c59ca51] fs/ntfs3: Use __GFP_NOWARN allocation at wnd_init() determine whether the revision contains the guilty commit revision f76349cf41451c5c42a99f18a9163377e4b364ff crashed and is reachable testing commit 0d0f659bf713662fabed973f9996b8f23c59ca51 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f24bd607633853cca73eb14a7fd5c3a0e92b7f2aebdd3dc7bcee61783c26106 all runs: OK false negative chance: 0.000 # git bisect bad 0d0f659bf713662fabed973f9996b8f23c59ca51 Bisecting: 12 revisions left to test after this (roughly 4 steps) [51e76a232f8c037f1d9e9922edc25b003d5f3414] fs/ntfs3: Fix memory leak on ntfs_fill_super() error path determine whether the revision contains the guilty commit revision f76349cf41451c5c42a99f18a9163377e4b364ff crashed and is reachable testing commit 51e76a232f8c037f1d9e9922edc25b003d5f3414 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90fc611f91132de30eb43e5540498754a91da6a2fc51616d1efd8d45f8dfd7d4 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate representative crash: BUG: unable to handle kernel NULL pointer dereference in __d_instantiate, types: [UNKNOWN] # git bisect good 51e76a232f8c037f1d9e9922edc25b003d5f3414 Bisecting: 6 revisions left to test after this (roughly 3 steps) [4d42ecda239cc13738d6fd84d098a32e67b368b9] fs/ntfs3: Validate buffer length while parsing index determine whether the revision contains the guilty commit revision 51e76a232f8c037f1d9e9922edc25b003d5f3414 crashed and is reachable testing commit 4d42ecda239cc13738d6fd84d098a32e67b368b9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d9f5dd924583093ba71bfaf99c6faa85f05d576149a8a054c7b224ff1ff03a13 run #0: OK 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: crashed: BUG: unable to handle kernel paging request in ntfs_evict_inode representative crash: BUG: unable to handle kernel paging request in ntfs_evict_inode, types: [UNKNOWN] # git bisect good 4d42ecda239cc13738d6fd84d098a32e67b368b9 Bisecting: 3 revisions left to test after this (roughly 2 steps) [d45da67caedacd500879de5e649360cc70777af7] fs/ntfs3: Use strcmp to determine attribute type determine whether the revision contains the guilty commit revision 4d42ecda239cc13738d6fd84d098a32e67b368b9 crashed and is reachable testing commit d45da67caedacd500879de5e649360cc70777af7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a34c3ecef58129ef1ef070d65807d85291c095400f65111caa2fa68e14b2e2e1 run #0: basic kernel testing failed: lost connection to test machine 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 run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK false negative chance: 0.000 # git bisect bad d45da67caedacd500879de5e649360cc70777af7 Bisecting: 0 revisions left to test after this (roughly 1 step) [887bfc546097fbe8071dac13b2fef73b77920899] fs/ntfs3: Fix slab-out-of-bounds read in run_unpack determine whether the revision contains the guilty commit revision 51e76a232f8c037f1d9e9922edc25b003d5f3414 crashed and is reachable testing commit 887bfc546097fbe8071dac13b2fef73b77920899 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e74185d37716af6457649903178684314f1d44840fe79871e063daff10350e17 all runs: OK false negative chance: 0.000 # git bisect bad 887bfc546097fbe8071dac13b2fef73b77920899 Bisecting: 0 revisions left to test after this (roughly 0 steps) [54e45702b648b7c0000e90b3e9b890e367e16ea8] fs/ntfs3: Validate resident attribute name determine whether the revision contains the guilty commit revision f76349cf41451c5c42a99f18a9163377e4b364ff crashed and is reachable testing commit 54e45702b648b7c0000e90b3e9b890e367e16ea8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f77f199f620435e2ed7a2f9ead48116d91cfd65f3dc5d1e0ba82298c611004f5 all runs: OK false negative chance: 0.000 # git bisect bad 54e45702b648b7c0000e90b3e9b890e367e16ea8 54e45702b648b7c0000e90b3e9b890e367e16ea8 is the first bad commit commit 54e45702b648b7c0000e90b3e9b890e367e16ea8 Author: Edward Lo Date: Fri Sep 23 00:50:23 2022 +0800 fs/ntfs3: Validate resident attribute name Though we already have some sanity checks while enumerating attributes, resident attribute names aren't included. This patch checks the resident attribute names are in the valid ranges. [ 259.209031] BUG: KASAN: slab-out-of-bounds in ni_create_attr_list+0x1e1/0x850 [ 259.210770] Write of size 426 at addr ffff88800632f2b2 by task exp/255 [ 259.211551] [ 259.212035] CPU: 0 PID: 255 Comm: exp Not tainted 6.0.0-rc6 #37 [ 259.212955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 259.214387] Call Trace: [ 259.214640] [ 259.214895] dump_stack_lvl+0x49/0x63 [ 259.215284] print_report.cold+0xf5/0x689 [ 259.215565] ? kasan_poison+0x3c/0x50 [ 259.215778] ? kasan_unpoison+0x28/0x60 [ 259.215991] ? ni_create_attr_list+0x1e1/0x850 [ 259.216270] kasan_report+0xa7/0x130 [ 259.216481] ? ni_create_attr_list+0x1e1/0x850 [ 259.216719] kasan_check_range+0x15a/0x1d0 [ 259.216939] memcpy+0x3c/0x70 [ 259.217136] ni_create_attr_list+0x1e1/0x850 [ 259.217945] ? __rcu_read_unlock+0x5b/0x280 [ 259.218384] ? ni_remove_attr+0x2e0/0x2e0 [ 259.218712] ? kernel_text_address+0xcf/0xe0 [ 259.219064] ? __kernel_text_address+0x12/0x40 [ 259.219434] ? arch_stack_walk+0x9e/0xf0 [ 259.219668] ? __this_cpu_preempt_check+0x13/0x20 [ 259.219904] ? sysvec_apic_timer_interrupt+0x57/0xc0 [ 259.220140] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 259.220561] ni_ins_attr_ext+0x52c/0x5c0 [ 259.220984] ? ni_create_attr_list+0x850/0x850 [ 259.221532] ? run_deallocate+0x120/0x120 [ 259.221972] ? vfs_setxattr+0x128/0x300 [ 259.222688] ? setxattr+0x126/0x140 [ 259.222921] ? path_setxattr+0x164/0x180 [ 259.223431] ? __x64_sys_setxattr+0x6d/0x80 [ 259.223828] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 259.224417] ? mi_find_attr+0x3c/0xf0 [ 259.224772] ni_insert_attr+0x1ba/0x420 [ 259.225216] ? ni_ins_attr_ext+0x5c0/0x5c0 [ 259.225504] ? ntfs_read_ea+0x119/0x450 [ 259.225775] ni_insert_resident+0xc0/0x1c0 [ 259.226316] ? ni_insert_nonresident+0x400/0x400 [ 259.227001] ? __kasan_kmalloc+0x88/0xb0 [ 259.227468] ? __kmalloc+0x192/0x320 [ 259.227773] ntfs_set_ea+0x6bf/0xb30 [ 259.228216] ? ftrace_graph_ret_addr+0x2a/0xb0 [ 259.228494] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 259.228838] ? ntfs_read_ea+0x450/0x450 [ 259.229098] ? is_bpf_text_address+0x24/0x40 [ 259.229418] ? kernel_text_address+0xcf/0xe0 [ 259.229681] ? __kernel_text_address+0x12/0x40 [ 259.229948] ? unwind_get_return_address+0x3a/0x60 [ 259.230271] ? write_profile+0x270/0x270 [ 259.230537] ? arch_stack_walk+0x9e/0xf0 [ 259.230836] ntfs_setxattr+0x114/0x5c0 [ 259.231099] ? ntfs_set_acl_ex+0x2e0/0x2e0 [ 259.231529] ? evm_protected_xattr_common+0x6d/0x100 [ 259.231817] ? posix_xattr_acl+0x13/0x80 [ 259.232073] ? evm_protect_xattr+0x1f7/0x440 [ 259.232351] __vfs_setxattr+0xda/0x120 [ 259.232635] ? xattr_resolve_name+0x180/0x180 [ 259.232912] __vfs_setxattr_noperm+0x93/0x300 [ 259.233219] __vfs_setxattr_locked+0x141/0x160 [ 259.233492] ? kasan_poison+0x3c/0x50 [ 259.233744] vfs_setxattr+0x128/0x300 [ 259.234002] ? __vfs_setxattr_locked+0x160/0x160 [ 259.234837] do_setxattr+0xb8/0x170 [ 259.235567] ? vmemdup_user+0x53/0x90 [ 259.236212] setxattr+0x126/0x140 [ 259.236491] ? do_setxattr+0x170/0x170 [ 259.236791] ? debug_smp_processor_id+0x17/0x20 [ 259.237232] ? kasan_quarantine_put+0x57/0x180 [ 259.237605] ? putname+0x80/0xa0 [ 259.237870] ? __kasan_slab_free+0x11c/0x1b0 [ 259.238234] ? putname+0x80/0xa0 [ 259.238500] ? preempt_count_sub+0x18/0xc0 [ 259.238775] ? __mnt_want_write+0xaa/0x100 [ 259.238990] ? mnt_want_write+0x8b/0x150 [ 259.239290] path_setxattr+0x164/0x180 [ 259.239605] ? setxattr+0x140/0x140 [ 259.239849] ? debug_smp_processor_id+0x17/0x20 [ 259.240174] ? fpregs_assert_state_consistent+0x67/0x80 [ 259.240411] __x64_sys_setxattr+0x6d/0x80 [ 259.240715] do_syscall_64+0x3b/0x90 [ 259.240934] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 259.241697] RIP: 0033:0x7fc6b26e4469 [ 259.242647] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 088 [ 259.244512] RSP: 002b:00007ffc3c7841f8 EFLAGS: 00000217 ORIG_RAX: 00000000000000bc [ 259.245086] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6b26e4469 [ 259.246025] RDX: 00007ffc3c784380 RSI: 00007ffc3c7842e0 RDI: 00007ffc3c784238 [ 259.246961] RBP: 00007ffc3c788410 R08: 0000000000000001 R09: 00007ffc3c7884f8 [ 259.247775] R10: 000000000000007f R11: 0000000000000217 R12: 00000000004004e0 [ 259.248534] R13: 00007ffc3c7884f0 R14: 0000000000000000 R15: 0000000000000000 [ 259.249368] [ 259.249644] [ 259.249888] Allocated by task 255: [ 259.250283] kasan_save_stack+0x26/0x50 [ 259.250957] __kasan_kmalloc+0x88/0xb0 [ 259.251826] __kmalloc+0x192/0x320 [ 259.252745] ni_create_attr_list+0x11e/0x850 [ 259.253298] ni_ins_attr_ext+0x52c/0x5c0 [ 259.253685] ni_insert_attr+0x1ba/0x420 [ 259.253974] ni_insert_resident+0xc0/0x1c0 [ 259.254311] ntfs_set_ea+0x6bf/0xb30 [ 259.254629] ntfs_setxattr+0x114/0x5c0 [ 259.254859] __vfs_setxattr+0xda/0x120 [ 259.255155] __vfs_setxattr_noperm+0x93/0x300 [ 259.255445] __vfs_setxattr_locked+0x141/0x160 [ 259.255862] vfs_setxattr+0x128/0x300 [ 259.256251] do_setxattr+0xb8/0x170 [ 259.256522] setxattr+0x126/0x140 [ 259.256911] path_setxattr+0x164/0x180 [ 259.257308] __x64_sys_setxattr+0x6d/0x80 [ 259.257637] do_syscall_64+0x3b/0x90 [ 259.257970] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 259.258550] [ 259.258772] The buggy address belongs to the object at ffff88800632f000 [ 259.258772] which belongs to the cache kmalloc-1k of size 1024 [ 259.260190] The buggy address is located 690 bytes inside of [ 259.260190] 1024-byte region [ffff88800632f000, ffff88800632f400) [ 259.261412] [ 259.261743] The buggy address belongs to the physical page: [ 259.262354] page:0000000081e8cac9 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x632c [ 259.263722] head:0000000081e8cac9 order:2 compound_mapcount:0 compound_pincount:0 [ 259.264284] flags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff) [ 259.265312] raw: 000fffffc0010200 ffffea0000060d00 dead000000000004 ffff888001041dc0 [ 259.265772] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000 [ 259.266305] page dumped because: kasan: bad access detected [ 259.266588] [ 259.266728] Memory state around the buggy address: [ 259.267225] ffff88800632f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 259.267841] ffff88800632f380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 259.269111] >ffff88800632f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 259.269626] ^ [ 259.270162] ffff88800632f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 259.270810] ffff88800632f500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Signed-off-by: Edward Lo Signed-off-by: Konstantin Komarov fs/ntfs3/record.c | 5 +++++ 1 file changed, 5 insertions(+) accumulated error probability: 0.00 culprit signature: f77f199f620435e2ed7a2f9ead48116d91cfd65f3dc5d1e0ba82298c611004f5 parent signature: d9f5dd924583093ba71bfaf99c6faa85f05d576149a8a054c7b224ff1ff03a13 reproducer is flaky (0.55 repro chance estimate) revisions tested: 25, total time: 4h34m46.157213011s (build: 1h28m34.292121734s, test: 2h56m57.063162828s) first good commit: 54e45702b648b7c0000e90b3e9b890e367e16ea8 fs/ntfs3: Validate resident attribute name recipients (to): ["almaz.alexandrovich@paragon-software.com" "edward.lo@ambergroup.io"] recipients (cc): []