ci2 starts bisection 2023-10-03 00:09:49.134011579 +0000 UTC m=+100.285191417 bisecting cause commit starting from 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa building syzkaller on 50b20e75ef04c31603a5b0cfe1f59c749f172724 ensuring issue is reproducible on original commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa testing commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c73e2be7913a914f506d8922899993b9644f96c21fdaeea98a3ff4beb8f7025c run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc000ca4f50 0xc000ca5040 0xc000ca50e0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc000ca5180 0xc000ca5270 0xc000ca5360] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]}. run #2: crashed: general protection fault in ovl_encode_real_fh run #3: crashed: general protection fault in ovl_encode_real_fh run #4: crashed: general protection fault in ovl_encode_real_fh run #5: crashed: general protection fault in ovl_encode_real_fh run #6: crashed: general protection fault in ovl_encode_real_fh run #7: crashed: general protection fault in ovl_encode_real_fh run #8: crashed: general protection fault in ovl_encode_real_fh run #9: crashed: general protection fault in ovl_encode_real_fh run #10: crashed: general protection fault in ovl_encode_real_fh run #11: crashed: general protection fault in ovl_encode_real_fh run #12: crashed: general protection fault in ovl_encode_real_fh run #13: crashed: general protection fault in ovl_encode_real_fh run #14: crashed: general protection fault in ovl_encode_real_fh run #15: crashed: general protection fault in ovl_encode_real_fh run #16: crashed: general protection fault in ovl_encode_real_fh run #17: crashed: general protection fault in ovl_encode_real_fh run #18: crashed: general protection fault in ovl_encode_real_fh run #19: crashed: general protection fault in ovl_encode_real_fh representative crash: general protection fault in ovl_encode_real_fh, 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 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3b03c547de303348267bcaa732d502930a3a575f6983d3bad9e88a670221516c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3876 full=7686 leaves diff=2019 split chunks (needed=false): <2019> split chunk #0 of len 2019 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5e4539bd88e01754b48c004356a5442443f8feb6f1fc792919019a451611632 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3a9f57baa9a1c8c7f68d7cbda476c5e2f195b424ace82767ec7b3ceda15f9972 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, 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 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c39d783145c0f62b271d55ea735b531cc59de6deaad4531a6e252597648bd4a all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d8113b0a8976b378e528d5d98abeb20809b05cc282c597f71527194be7d26880 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a0c5be23343861e20ec886d2bbeca9e2ab07acaab9833a13e1836cf23ebd965c all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] the chunk can be dropped minimized to 404 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_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 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 NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed picked [v6.5 v6.4 v6.3 v6.1 v5.19 v5.17 v5.15 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 28 release tags testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fceffa79a2f452a49448cf45ecd772a62375ec940fd96daa0561b6684b38f790 all runs: OK false negative chance: 0.000 # git bisect start 8a749fd1a8720d4619c91c8b6e7528c0a355c0aa 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 6974 revisions left to test after this (roughly 13 steps) [4fb0dacb78c6a041bbd38ddd998df806af5c2c69] Merge tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 4fb0dacb78c6a041bbd38ddd998df806af5c2c69 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7cc51f283d37eda12314090e9f926f272845500362b16643085bc8e9877e4d76 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] # git bisect bad 4fb0dacb78c6a041bbd38ddd998df806af5c2c69 Bisecting: 3156 revisions left to test after this (roughly 12 steps) [bd6c11bc43c496cddfc6cf603b5d45365606dbd5] Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit bd6c11bc43c496cddfc6cf603b5d45365606dbd5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7bf6fa759de6b0e072b2396b8fd2be6ee46c007e2bed07ad6cda4e70629463ed all runs: OK false negative chance: 0.000 # git bisect good bd6c11bc43c496cddfc6cf603b5d45365606dbd5 Bisecting: 1802 revisions left to test after this (roughly 11 steps) [3698a75f5a98d0a6599e2878ab25d30a82dd836a] Merge tag 'drm-intel-next-fixes-2023-08-24' of git://anongit.freedesktop.org/drm/drm-intel into drm-next testing commit 3698a75f5a98d0a6599e2878ab25d30a82dd836a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 43a77275563133605aeb29c6abdedbd8a571bfc933034f18e9111e8b8462cc06 all runs: OK false negative chance: 0.000 # git bisect good 3698a75f5a98d0a6599e2878ab25d30a82dd836a Bisecting: 901 revisions left to test after this (roughly 10 steps) [872459663c52f5e8a28c0cb6df08b77d6c24ab46] Merge tag 'Smack-for-6.6' of https://github.com/cschaufler/smack-next testing commit 872459663c52f5e8a28c0cb6df08b77d6c24ab46 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 416def635c3c4462ac3e7da23d606d630c6b7cf85054a7c619d6209b6187a2f7 all runs: OK false negative chance: 0.000 # git bisect good 872459663c52f5e8a28c0cb6df08b77d6c24ab46 Bisecting: 450 revisions left to test after this (roughly 9 steps) [2e85e70608c5d7233244c19ec2253dd1acb01e17] ASoC: atmel: merge DAI call back functions into ops testing commit 2e85e70608c5d7233244c19ec2253dd1acb01e17 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b60cd889799298e9aa2c1d28c2398179ff37f508b55ccb2a628e5e07cf7d945 all runs: OK false negative chance: 0.000 # git bisect good 2e85e70608c5d7233244c19ec2253dd1acb01e17 Bisecting: 160 revisions left to test after this (roughly 8 steps) [692f5510159c79bfa312a4e27a15e266232bfb4c] Merge tag 'asoc-v6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus testing commit 692f5510159c79bfa312a4e27a15e266232bfb4c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 046f8c9d493af23e889d6a4ad14530348ce19d157df12530a12b9f36ab6c901a all runs: OK false negative chance: 0.000 # git bisect good 692f5510159c79bfa312a4e27a15e266232bfb4c Bisecting: 74 revisions left to test after this (roughly 6 steps) [63580f669d7ff5aa5a1fa2e3994114770a491722] Merge tag 'ovl-update-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs testing commit 63580f669d7ff5aa5a1fa2e3994114770a491722 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 153ce49173a5e745a93cb24bb16edc78d50b3f84e5edf9d67b8d92571240779e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] # git bisect bad 63580f669d7ff5aa5a1fa2e3994114770a491722 Bisecting: 42 revisions left to test after this (roughly 6 steps) [96ae35c75bdd8a327c686cf39030d8ed7f82f558] x86/apic/x2apic: Share all common IPI functions testing commit 96ae35c75bdd8a327c686cf39030d8ed7f82f558 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 516e486feeabf3901ed468004d7bcf64f36098325eaa140fa6a0da84995c2975 all runs: OK false negative chance: 0.000 # git bisect good 96ae35c75bdd8a327c686cf39030d8ed7f82f558 Bisecting: 21 revisions left to test after this (roughly 5 steps) [f8542a55499a69a859c84866b66f0df43933e563] x86/apic: Turn on static calls testing commit f8542a55499a69a859c84866b66f0df43933e563 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d5df1a5efb59a948039fedc3454626e911b25779520df38e62676a33b9fc8bbf all runs: OK false negative chance: 0.000 # git bisect good f8542a55499a69a859c84866b66f0df43933e563 Bisecting: 10 revisions left to test after this (roughly 4 steps) [adcd459ff805ce5e11956cfa1e9aa85471b6ae8d] ovl: validate superblock in OVL_FS() testing commit adcd459ff805ce5e11956cfa1e9aa85471b6ae8d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eab8259fff04c7f2d05cad071a2abaa761ae0a139e195cb90843cf38908d4793 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] # git bisect bad adcd459ff805ce5e11956cfa1e9aa85471b6ae8d Bisecting: 5 revisions left to test after this (roughly 3 steps) [16aac5ad1fa94894b798dd522c5c3a6a0628d7f0] ovl: support encoding non-decodable file handles testing commit 16aac5ad1fa94894b798dd522c5c3a6a0628d7f0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6cf8a7c23853634c713d2792fc650d54edf566d3eea933a646381c1c99840463 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh representative crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh, types: [UNKNOWN] # git bisect bad 16aac5ad1fa94894b798dd522c5c3a6a0628d7f0 Bisecting: 2 revisions left to test after this (roughly 1 step) [bf07089081a0ea18da4a103b9d813ffae3c2f6d8] ovl: Add versioned header for overlay.metacopy xattr testing commit bf07089081a0ea18da4a103b9d813ffae3c2f6d8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d81c8af414cf0b7cbac3dba6b842f9592bdfc15393040619f9de5cedbfd10efb all runs: OK false negative chance: 0.000 # git bisect good bf07089081a0ea18da4a103b9d813ffae3c2f6d8 Bisecting: 0 revisions left to test after this (roughly 1 step) [0c71faf5a607c8744ccee702846970bdb1a8005f] ovl: Handle verity during copy-up testing commit 0c71faf5a607c8744ccee702846970bdb1a8005f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 680546191882b703c4cee88c0f0bc40828f4e60f58a937f7174250459630fdd2 all runs: OK false negative chance: 0.000 # git bisect good 0c71faf5a607c8744ccee702846970bdb1a8005f 16aac5ad1fa94894b798dd522c5c3a6a0628d7f0 is the first bad commit commit 16aac5ad1fa94894b798dd522c5c3a6a0628d7f0 Author: Amir Goldstein Date: Sun Apr 23 19:02:04 2023 +0300 ovl: support encoding non-decodable file handles When all layers support file handles, we support encoding non-decodable file handles (a.k.a. fid) even with nfs_export=off. When file handles do not need to be decoded, we do not need to copy up redirected lower directories on encode, and we encode also non-indexed upper with lower file handle, so fid will not change on copy up. This enables reporting fanotify events with file handles on overlayfs with default config/mount options. Signed-off-by: Amir Goldstein fs/overlayfs/export.c | 26 ++++++++++++++++++++------ fs/overlayfs/inode.c | 2 +- fs/overlayfs/overlayfs.h | 1 + fs/overlayfs/ovl_entry.h | 1 + fs/overlayfs/super.c | 9 +++++++++ 5 files changed, 32 insertions(+), 7 deletions(-) accumulated error probability: 0.00 culprit signature: 6cf8a7c23853634c713d2792fc650d54edf566d3eea933a646381c1c99840463 parent signature: 680546191882b703c4cee88c0f0bc40828f4e60f58a937f7174250459630fdd2 revisions tested: 21, total time: 4h45m44.737331466s (build: 1h18m18.335450411s, test: 2h34m46.210253788s) first bad commit: 16aac5ad1fa94894b798dd522c5c3a6a0628d7f0 ovl: support encoding non-decodable file handles recipients (to): ["amir73il@gmail.com"] recipients (cc): [] crash: BUG: unable to handle kernel NULL pointer dereference in ovl_encode_real_fh BUG: kernel NULL pointer dereference, address: 00000000000000e0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10f2cf067 P4D 10f2cf067 PUD 10f22e067 PMD 0 Oops: 0000 [#1] PREEMPT SMP CPU: 0 PID: 2638 Comm: syz-executor.0 Not tainted 6.5.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:ovl_encode_real_fh+0x2d/0x100 fs/overlayfs/copy_up.c:380 Code: 00 55 41 57 41 56 41 54 53 48 83 ec 10 41 89 d7 48 89 f5 49 89 fe 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 41 bc 60 06 00 00 <4c> 03 a6 e0 00 00 00 48 8b 3d 25 8c 94 01 ba 98 00 00 00 be c0 0d RSP: 0018:ffffc900028ebe00 EFLAGS: 00010286 RAX: 9afa026d61b4ba00 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888101785000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000660 R13: ffff88810010b4e8 R14: ffff888101785000 R15: 0000000000000001 FS: 00007f8d561176c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000e0 CR3: 000000010f257000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ovl_dentry_to_fid fs/overlayfs/export.c:240 [inline] ovl_encode_fh+0xdd/0x3f0 fs/overlayfs/export.c:275 exportfs_encode_inode_fh fs/exportfs/expfs.c:406 [inline] exportfs_encode_fh+0x72/0xf0 fs/exportfs/expfs.c:437 do_sys_name_to_handle fs/fhandle.c:52 [inline] __do_sys_name_to_handle_at fs/fhandle.c:116 [inline] __se_sys_name_to_handle_at+0x11a/0x1f0 fs/fhandle.c:98 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8d5547cae9 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:00007f8d561170c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012f RAX: ffffffffffffffda RBX: 00007f8d5559bf80 RCX: 00007f8d5547cae9 RDX: 0000000020000300 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 00007f8d554c847a R08: 0000000000001600 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f8d5559bf80 R15: 00007ffd4929f008 Modules linked in: CR2: 00000000000000e0 ---[ end trace 0000000000000000 ]--- RIP: 0010:ovl_encode_real_fh+0x2d/0x100 fs/overlayfs/copy_up.c:380 Code: 00 55 41 57 41 56 41 54 53 48 83 ec 10 41 89 d7 48 89 f5 49 89 fe 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 41 bc 60 06 00 00 <4c> 03 a6 e0 00 00 00 48 8b 3d 25 8c 94 01 ba 98 00 00 00 be c0 0d RSP: 0018:ffffc900028ebe00 EFLAGS: 00010286 RAX: 9afa026d61b4ba00 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888101785000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000660 R13: ffff88810010b4e8 R14: ffff888101785000 R15: 0000000000000001 FS: 00007f8d561176c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000e0 CR3: 000000010f257000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 55 41 add %dl,0x41(%rbp) 3: 57 push %rdi 4: 41 56 push %r14 6: 41 54 push %r12 8: 53 push %rbx 9: 48 83 ec 10 sub $0x10,%rsp d: 41 89 d7 mov %edx,%r15d 10: 48 89 f5 mov %rsi,%rbp 13: 49 89 fe mov %rdi,%r14 16: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 1d: 00 00 1f: 48 89 44 24 08 mov %rax,0x8(%rsp) 24: 41 bc 60 06 00 00 mov $0x660,%r12d * 2a: 4c 03 a6 e0 00 00 00 add 0xe0(%rsi),%r12 <-- trapping instruction 31: 48 8b 3d 25 8c 94 01 mov 0x1948c25(%rip),%rdi # 0x1948c5d 38: ba 98 00 00 00 mov $0x98,%edx 3d: be .byte 0xbe 3e: c0 .byte 0xc0 3f: 0d .byte 0xd