ci starts bisection 2024-11-30 07:33:18.571610166 +0000 UTC m=+56107.524924976 bisecting cause commit starting from f486c8aa16b8172f63bddc70116a0c897a7f3f02 building syzkaller on 5df2386563cbffa1bbbb9d0b8ec1eebb98d051ae ensuring issue is reproducible on original commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 testing commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c95eeddec750f1cb342834f6407cf8977daeaf0c72e83c393ae899a073718aa6 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d695e44256d1d692ca26304d57ca38acde62786b9dbf74dc0b4b8e0438b6dc65 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4045 full=8242 leaves diff=2124 split chunks (needed=false): <2124> split chunk #0 of len 2124 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bcfa80a90d8dd0fb8c1c5b6f427bc0b6630c970622246261033282ed8cc88c2f all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building f486c8aa16b8172f63bddc70116a0c897a7f3f02: drivers/gpu/drm/bridge/aux-bridge.c:116: undefined reference to `devm_drm_of_get_bridge' testing without sub-chunk 3/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9709badc9c7e4f6ab9a0d02a06e3513808d56b29ec31cea86d306402de372965 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 11d9a2bcaef8bca143a7d4f81d43c07abcc86b1c6d63bef0113fd62da33d7cf3 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit f486c8aa16b8172f63bddc70116a0c897a7f3f02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6821623e7627a214ffb8fe24398282f877f054e40e68b650c9171b500da07654 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] the chunk can be dropped minimized to 425 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE DRM_I915 DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_CXUSB_ANALOG DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_BACKED_BY_FILE EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GROUP_SCHED_WEIGHT GTP GUEST_PERF_EVENTS GVE HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SIGMAMICRO HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_PROTO_TCP IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE MAC802154 MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_VIPERBOARD MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE] disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.12 v6.11 v6.10 v6.8 v6.6 v6.4 v6.2 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 35 release tags testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a6cd67f809d9e6975c92cd4f66efdffa19f750f3a7a3609c448d811c142addb all runs: OK false negative chance: 0.000 # git bisect start f486c8aa16b8172f63bddc70116a0c897a7f3f02 adc218676eef25575469234709c2d87185ca223a Bisecting: 6785 revisions left to test after this (roughly 13 steps) [071b34dcf71523a559b6c39f5d21a268a9531b50] Merge tag 'sound-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 071b34dcf71523a559b6c39f5d21a268a9531b50 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c9043540e89fd949ce990f6f0afd8b0c9d61454e2d50cd0436eb28ea0a689ece all runs: OK false negative chance: 0.000 # git bisect good 071b34dcf71523a559b6c39f5d21a268a9531b50 Bisecting: 3368 revisions left to test after this (roughly 12 steps) [0637a68b9c6c1dfffcc1fca003cb7cd3257c3c03] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit 0637a68b9c6c1dfffcc1fca003cb7cd3257c3c03 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2cf73b473a8ed81f5c9f055506e6ce4fd37f8fc9dd42ae4ba8eed2078ee6a08c all runs: OK false negative chance: 0.000 # git bisect good 0637a68b9c6c1dfffcc1fca003cb7cd3257c3c03 Bisecting: 1807 revisions left to test after this (roughly 11 steps) [6dbb9a0417c6d33925544984cd83c3ffd855f4c8] Merge branch 'xtensa-for-next' of git://github.com/jcmvbkbc/linux-xtensa.git testing commit 6dbb9a0417c6d33925544984cd83c3ffd855f4c8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 46c12c788380155809d8a23419ca43133cd47d9e9ca09d3d2545f771e29cec01 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] # git bisect bad 6dbb9a0417c6d33925544984cd83c3ffd855f4c8 Bisecting: 784 revisions left to test after this (roughly 10 steps) [afb7955d33d6a57c681a7d088a6e36ee86ef55a3] Merge branch into tip/master: 'x86/urgent' testing commit afb7955d33d6a57c681a7d088a6e36ee86ef55a3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c41eff455f264fda9b2c0d3bc38c3764088b4b7c104f9e930856286638a0a4a8 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] # git bisect bad afb7955d33d6a57c681a7d088a6e36ee86ef55a3 Bisecting: 480 revisions left to test after this (roughly 9 steps) [9160b68e0cf8d57243f17debcb564ce01e327ada] Merge tag 'parisc-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux testing commit 9160b68e0cf8d57243f17debcb564ce01e327ada gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0bad3a864975aeac6ac7d4f8d69975641df8f6072dbfed4830a5e4d2ede572e2 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] # git bisect bad 9160b68e0cf8d57243f17debcb564ce01e327ada Bisecting: 180 revisions left to test after this (roughly 7 steps) [44b4d13b70f682a86fee356786cc3e17987fae4d] Merge tag 'f2fs-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs testing commit 44b4d13b70f682a86fee356786cc3e17987fae4d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 61da3979ce70fc274fefc3c552a70dd460bd5810d89c6e7ae0c032877e31c797 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] # git bisect bad 44b4d13b70f682a86fee356786cc3e17987fae4d Bisecting: 71 revisions left to test after this (roughly 6 steps) [ff2a7a064a69069554564f52b6a84fc8a8c7d688] Merge tag 'gfs2-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit ff2a7a064a69069554564f52b6a84fc8a8c7d688 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a2a6f502f540a3e62bdf6e12774c2db2231787f5455f7d75710ae732b44c757 all runs: OK false negative chance: 0.000 # git bisect good ff2a7a064a69069554564f52b6a84fc8a8c7d688 Bisecting: 35 revisions left to test after this (roughly 5 steps) [f88c7904b5c7e35ab8037e2a59e10d80adf6fd7e] f2fs: clear SBI_POR_DOING before initing inmem curseg testing commit f88c7904b5c7e35ab8037e2a59e10d80adf6fd7e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0052ddef5494d66efdde699dd52606767ae5a7504eec194ab3e692d963742e29 all runs: OK false negative chance: 0.000 # git bisect good f88c7904b5c7e35ab8037e2a59e10d80adf6fd7e Bisecting: 17 revisions left to test after this (roughly 4 steps) [ee80369a8aa850a992e93127bd16023fe1425010] fuse: convert cuse to use folios testing commit ee80369a8aa850a992e93127bd16023fe1425010 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ecce4c8767a854a02ae37fa7ed4b4edab1caab7fc178aeca35d7d0a0bcd29f7b all runs: OK false negative chance: 0.000 # git bisect good ee80369a8aa850a992e93127bd16023fe1425010 Bisecting: 8 revisions left to test after this (roughly 3 steps) [3b97c3652d9128ab7f8c9b8adec6108611fdb153] fuse: convert direct io to use folios testing commit 3b97c3652d9128ab7f8c9b8adec6108611fdb153 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0300c00fb51db991d6db27dc5545dff689cb1c24273274500c55a5875c9c4441 all runs: crashed: kernel BUG in iov_iter_revert representative crash: kernel BUG in iov_iter_revert, types: [BUG] # git bisect bad 3b97c3652d9128ab7f8c9b8adec6108611fdb153 Bisecting: 4 revisions left to test after this (roughly 2 steps) [f2ef459bab7326f4800ec2098cf073fbda2185af] fuse: convert writes (non-writeback) to use folios testing commit f2ef459bab7326f4800ec2098cf073fbda2185af gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1daeb6cea2b272f7e6fb190d6fffc0ef12fc47b583bc9b86bc21acb7a6cf5f6e all runs: OK false negative chance: 0.000 # git bisect good f2ef459bab7326f4800ec2098cf073fbda2185af Bisecting: 2 revisions left to test after this (roughly 1 step) [448895df0366041366a84861350ce471446bf560] fuse: convert retrieves to use folios testing commit 448895df0366041366a84861350ce471446bf560 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dd78a60ab09ec1ee1bbfbcc8da6a0e7051a3e4a8026dd054a616cd294786fbd6 all runs: OK false negative chance: 0.000 # git bisect good 448895df0366041366a84861350ce471446bf560 Bisecting: 0 revisions left to test after this (roughly 1 step) [7fce207af5ec074a9a50e90eb866b17ca4a90f06] mm/writeback: add folio_mark_dirty_lock() testing commit 7fce207af5ec074a9a50e90eb866b17ca4a90f06 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e3ffec01982c192589dd0ce243d9942413fbba26b05c772df77657e48357ac04 all runs: OK false negative chance: 0.000 # git bisect good 7fce207af5ec074a9a50e90eb866b17ca4a90f06 3b97c3652d9128ab7f8c9b8adec6108611fdb153 is the first bad commit commit 3b97c3652d9128ab7f8c9b8adec6108611fdb153 Author: Joanne Koong Date: Thu Oct 24 10:18:08 2024 -0700 fuse: convert direct io to use folios Convert direct io requests to use folios instead of pages. No functional changes. Signed-off-by: Joanne Koong Reviewed-by: Josef Bacik Signed-off-by: Miklos Szeredi fs/fuse/file.c | 80 +++++++++++++++++++++++++------------------------------- fs/fuse/fuse_i.h | 22 ---------------- 2 files changed, 35 insertions(+), 67 deletions(-) accumulated error probability: 0.00 culprit signature: 0300c00fb51db991d6db27dc5545dff689cb1c24273274500c55a5875c9c4441 parent signature: e3ffec01982c192589dd0ce243d9942413fbba26b05c772df77657e48357ac04 revisions tested: 20, total time: 7h9m42.285236421s (build: 4h36m0.405995657s, test: 2h17m20.823798727s) first bad commit: 3b97c3652d9128ab7f8c9b8adec6108611fdb153 fuse: convert direct io to use folios recipients (to): ["joannelkoong@gmail.com" "josef@toxicpanda.com" "mszeredi@redhat.com"] recipients (cc): [] crash: kernel BUG in iov_iter_revert RBP: 00007fb6a770f0a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fb6a6b45fa0 R15: 00007ffdc5ae5a78 ------------[ cut here ]------------ kernel BUG at lib/iov_iter.c:624! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID: 3094 Comm: syz.3.15 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:iov_iter_revert+0x10b/0x120 lib/iov_iter.c:624 Code: 48 8b 50 f8 48 83 c0 f0 48 89 4f 20 48 ff c1 48 29 d6 77 e9 48 89 47 10 4c 29 c2 48 89 57 08 c3 cc cc cc cc 83 f8 05 75 c9 90 <0f> 0b 90 0f 0b 90 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 RSP: 0018:ffffc90001b73ca8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: fffffffffffffff1 RSI: 000000000000000f RDI: ffffc90001b73e38 RBP: ffffc90001b73d70 R08: 000000008010000f R09: ffffffff8160b71b R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000f R13: fffffffffffffffc R14: ffff8881027bb700 R15: 0000000000000000 FS: 00007fb6a770f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb6a76eed58 CR3: 0000000101b66000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_direct_io+0x9ac/0xaa0 fs/fuse/file.c:1670 fuse_direct_write_iter fs/fuse/file.c:1745 [inline] fuse_file_write_iter+0x1e1/0x410 fs/fuse/file.c:1790 new_sync_write fs/read_write.c:590 [inline] vfs_write+0x392/0x440 fs/read_write.c:683 ksys_write+0x70/0xe0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x1f0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb6a6980809 Code: ff ff 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 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb6a770f058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fb6a6b45fa0 RCX: 00007fb6a6980809 RDX: 000000000000000f RSI: 0000000020000280 RDI: 0000000000000005 RBP: 00007fb6a770f0a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007fb6a6b45fa0 R15: 00007ffdc5ae5a78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iov_iter_revert+0x10b/0x120 lib/iov_iter.c:624 Code: 48 8b 50 f8 48 83 c0 f0 48 89 4f 20 48 ff c1 48 29 d6 77 e9 48 89 47 10 4c 29 c2 48 89 57 08 c3 cc cc cc cc 83 f8 05 75 c9 90 <0f> 0b 90 0f 0b 90 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 RSP: 0018:ffffc90001b73ca8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: fffffffffffffff1 RSI: 000000000000000f RDI: ffffc90001b73e38 RBP: ffffc90001b73d70 R08: 000000008010000f R09: ffffffff8160b71b R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000f R13: fffffffffffffffc R14: ffff8881027bb700 R15: 0000000000000000 FS: 00007fb6a770f6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb6a76eed58 CR3: 0000000101b66000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400