ci starts bisection 2024-11-29 15:59:43.99137447 +0000 UTC m=+92.944689285 bisecting cause commit starting from b86545e02e8c22fb89218f29d381fa8e8b91d815 building syzkaller on 5df2386563cbffa1bbbb9d0b8ec1eebb98d051ae ensuring issue is reproducible on original commit b86545e02e8c22fb89218f29d381fa8e8b91d815 testing commit b86545e02e8c22fb89218f29d381fa8e8b91d815 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df5e2efc7ff0085e0f866006e3ffe2841620c4eb93a369ed00cebb90e873a56e all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit b86545e02e8c22fb89218f29d381fa8e8b91d815 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 53f8145b04430ceeef2c88ed8fefda68307195832054c25a570f6f7496854335 all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=4045 full=8238 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit b86545e02e8c22fb89218f29d381fa8e8b91d815 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dde16155c4b3e2b5f847192ed6d822282f03a754b37e25cf9ec69ddc0a2eed70 all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit b86545e02e8c22fb89218f29d381fa8e8b91d815 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building b86545e02e8c22fb89218f29d381fa8e8b91d815: 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 [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit b86545e02e8c22fb89218f29d381fa8e8b91d815 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a80fec93e60a2c287aab72987a7c8692bf9092609542a8ef2aae3c4a9db2920 all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit b86545e02e8c22fb89218f29d381fa8e8b91d815 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df9e0a5600d7b1bf1f98a04c6ac2408fe383cf38ac0bf3853132dad418df165a all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit b86545e02e8c22fb89218f29d381fa8e8b91d815 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0181df2f119cb890b58b1b03bb7480943607af76fef502777f34fbd4674e3d4d all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] 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_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_IPV6 IP_VS_LBLC 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], 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: 47f799f30ed22c3670118423dd77a9fa751d3a4a7b997f0505b9610929170c5c all runs: OK false negative chance: 0.000 # git bisect start b86545e02e8c22fb89218f29d381fa8e8b91d815 adc218676eef25575469234709c2d87185ca223a Bisecting: 5072 revisions left to test after this (roughly 12 steps) [fcc79e1714e8c2b8e216dc3149812edd37884eef] Merge tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit fcc79e1714e8c2b8e216dc3149812edd37884eef gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0bad84b79ae3dc4f7056b6525b80b1785a87a30918492817f0de0169fd8c2998 all runs: OK false negative chance: 0.000 # git bisect good fcc79e1714e8c2b8e216dc3149812edd37884eef Bisecting: 2561 revisions left to test after this (roughly 11 steps) [2fb7eb3d7e8c5c0375c726c7d5c443e6f7e53741] Merge tag 'backlight-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight testing commit 2fb7eb3d7e8c5c0375c726c7d5c443e6f7e53741 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6174a43573af98ad91733436e4df8f654dca8913dec960303d2f771037bbb53f all runs: OK false negative chance: 0.000 # git bisect good 2fb7eb3d7e8c5c0375c726c7d5c443e6f7e53741 Bisecting: 1276 revisions left to test after this (roughly 10 steps) [f5f4745a7f057b58c9728ee4e2c5d6d79f382fe7] Merge tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit f5f4745a7f057b58c9728ee4e2c5d6d79f382fe7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4635f8f95ab1df21c0554f89657c3ce68285c3ad2bfa08f6e6e64b58c5c4922e all runs: OK false negative chance: 0.000 # git bisect good f5f4745a7f057b58c9728ee4e2c5d6d79f382fe7 Bisecting: 710 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: 8aeb88776383333ab23da16088756454c30f2dda733b9692801258cef4f2f9c5 all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] # git bisect bad 9160b68e0cf8d57243f17debcb564ce01e327ada Bisecting: 274 revisions left to test after this (roughly 8 steps) [7eef7e306d3c40a0c5b9ff6adc9b273cc894dbd5] Merge tag 'for-6.13/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm testing commit 7eef7e306d3c40a0c5b9ff6adc9b273cc894dbd5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4cd7c9a36ccd991cda5bdbd1b130afc9ce275a08630332006c86516a8dba2271 all runs: OK false negative chance: 0.000 # git bisect good 7eef7e306d3c40a0c5b9ff6adc9b273cc894dbd5 Bisecting: 107 revisions left to test after this (roughly 7 steps) [445d9f05fa149556422f7fdd52dacf487cc8e7be] Merge tag 'nfsd-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux testing commit 445d9f05fa149556422f7fdd52dacf487cc8e7be gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cbdb24b2f5dca0a0940514a910750780b2876add6d64b99d66ef4386398f7987 all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] # git bisect bad 445d9f05fa149556422f7fdd52dacf487cc8e7be Bisecting: 72 revisions left to test after this (roughly 6 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: b63a81bd68bb92f84e7b210165ed7cac84b3900e8e0c6a24cd3a2b2f89b2a09b all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] # git bisect bad 44b4d13b70f682a86fee356786cc3e17987fae4d Bisecting: 40 revisions left to test after this (roughly 6 steps) [fb527fc1f36e252cd1f62a26be4906949e7708ff] Merge tag 'fuse-update-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse testing commit fb527fc1f36e252cd1f62a26be4906949e7708ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3aa69c2c7ab5701498d77aa6b589d9bb1aecee2d662e3e9cdc8cef3b28ced2ca all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] # git bisect bad fb527fc1f36e252cd1f62a26be4906949e7708ff Bisecting: 26 revisions left to test after this (roughly 5 steps) [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: b62547c9e8d94bb394b20957a401575eae915d6eaabeee0dfddee0d05a373e46 all runs: OK false negative chance: 0.000 # git bisect good 7fce207af5ec074a9a50e90eb866b17ca4a90f06 Bisecting: 13 revisions left to test after this (roughly 4 steps) [a6033333ccce01ecada39b3ddabc03fd967e60c0] gfs2: Update to the evict / remote delete documentation testing commit a6033333ccce01ecada39b3ddabc03fd967e60c0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5b7d4d7b182abb15fb6b5731f5bd5b88f2308f0b2209308ffc4e7d56d206ce9b all runs: OK false negative chance: 0.000 # git bisect good a6033333ccce01ecada39b3ddabc03fd967e60c0 Bisecting: 6 revisions left to test after this (roughly 3 steps) [c5b7a2400edc458b22133d5e5394bea26eab1923] gfs2: Only defer deletes when we have an iopen glock testing commit c5b7a2400edc458b22133d5e5394bea26eab1923 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7ef0adc7719e75e3602d8fde2e4203d88af404f5e6e76338b4bd2e7ce97b389d all runs: OK false negative chance: 0.000 # git bisect good c5b7a2400edc458b22133d5e5394bea26eab1923 Bisecting: 3 revisions left to test after this (roughly 2 steps) [69eb56f69efb866c791cc87fd7bf62adf2ffcbb3] fuse: check attributes staleness on fuse_iget() testing commit 69eb56f69efb866c791cc87fd7bf62adf2ffcbb3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b8bd5c751aae3765c1571d5fce30742db3f8e1b4627c0c39e1cedb720f61166 all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] # git bisect bad 69eb56f69efb866c791cc87fd7bf62adf2ffcbb3 Bisecting: 0 revisions left to test after this (roughly 1 step) [68bfb7eb7f7de355d5b3812c25a2a36e9eead97b] fuse: remove pages for requests and exclusively use folios testing commit 68bfb7eb7f7de355d5b3812c25a2a36e9eead97b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4222f3fc6fb317347d57c65725031316f1ae3bbc96beb41581302c67e4039aec all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] # git bisect bad 68bfb7eb7f7de355d5b3812c25a2a36e9eead97b Bisecting: 0 revisions left to test after this (roughly 0 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: 450042863700bc28c376227f40b67df948526f26b4f7b81bbf40fc3a2b792321 all runs: crashed: KASAN: stack-out-of-bounds Read in iov_iter_revert representative crash: KASAN: stack-out-of-bounds Read in iov_iter_revert, types: [KASAN] # git bisect bad 3b97c3652d9128ab7f8c9b8adec6108611fdb153 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: 450042863700bc28c376227f40b67df948526f26b4f7b81bbf40fc3a2b792321 parent signature: b62547c9e8d94bb394b20957a401575eae915d6eaabeee0dfddee0d05a373e46 revisions tested: 21, total time: 8h20m13.570149705s (build: 5h35m16.379343659s, test: 2h29m10.883803914s) 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: KASAN: stack-out-of-bounds Read in iov_iter_revert RBP: 00007f7accadd0a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f7acbf45fa0 R15: 00007fff0e7a2168 ================================================================== BUG: KASAN: stack-out-of-bounds in iov_iter_revert+0x3ce/0x4e0 lib/iov_iter.c:646 Read of size 8 at addr ffffc90002cd7cb8 by task syz.3.15/3464 CPU: 0 UID: 0 PID: 3464 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 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x108/0x280 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 iov_iter_revert+0x3ce/0x4e0 lib/iov_iter.c:646 fuse_direct_io+0x2c63/0x2ce0 fs/fuse/file.c:1670 fuse_direct_write_iter fs/fuse/file.c:1745 [inline] fuse_file_write_iter+0x683/0xdd0 fs/fuse/file.c:1790 do_iter_readv_writev+0x43d/0x6e0 vfs_writev+0x428/0xd20 fs/read_write.c:1064 do_writev+0x150/0x280 fs/read_write.c:1111 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x170 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7acbd80809 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:00007f7accadd058 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f7acbf45fa0 RCX: 00007f7acbd80809 RDX: 0000000000000002 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007f7accadd0a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f7acbf45fa0 R15: 00007fff0e7a2168 The buggy address belongs to stack of task syz.3.15/3464 and is located at offset 24 in frame: vfs_writev+0x0/0xd20 This frame has 3 objects: [32, 160) 'iovstack' [192, 200) 'iov' [224, 264) 'iter' The buggy address belongs to the virtual mapping at [ffffc90002cd0000, ffffc90002cd9000) created by: copy_process+0x40b/0x3620 kernel/fork.c:2206 The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88817aa95000 pfn:0x17aa95 memcg:ffff88810c389d02 flags: 0x100000000000000(node=0|zone=2) raw: 0100000000000000 0000000000000000 dead000000000122 0000000000000000 raw: ffff88817aa95000 0000000000000000 00000001ffffffff ffff88810c389d02 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 368, tgid 368 (kworker/u8:5), ts 76208457103, free_ts 75539682710 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x10f/0x130 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x4213/0x43f0 mm/page_alloc.c:3457 __alloc_pages_noprof+0x256/0x670 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x289/0x4e0 mm/mempolicy.c:2265 vm_area_alloc_pages mm/vmalloc.c:3568 [inline] __vmalloc_area_node mm/vmalloc.c:3646 [inline] __vmalloc_node_range_noprof+0x68f/0xfd0 mm/vmalloc.c:3828 alloc_thread_stack_node kernel/fork.c:314 [inline] dup_task_struct+0x5ee/0x740 kernel/fork.c:1115 copy_process+0x40b/0x3620 kernel/fork.c:2206 kernel_clone+0x195/0x720 kernel/fork.c:2787 user_mode_thread+0x12d/0x190 kernel/fork.c:2865 call_usermodehelper_exec_sync kernel/umh.c:133 [inline] call_usermodehelper_exec_work+0x78/0x1c0 kernel/umh.c:164 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x8ea/0x1360 kernel/workqueue.c:3310 worker_thread+0x868/0xc70 kernel/workqueue.c:3391 kthread+0x26a/0x2c0 kernel/kthread.c:389 ret_from_fork+0x34/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 page last free pid 8 tgid 8 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_page+0xa9b/0xc60 mm/page_alloc.c:2638 vfree+0x10e/0x210 mm/vmalloc.c:3361 delayed_vfree_work+0x3c/0x70 mm/vmalloc.c:3282 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x8ea/0x1360 kernel/workqueue.c:3310 worker_thread+0x868/0xc70 kernel/workqueue.c:3391 kthread+0x26a/0x2c0 kernel/kthread.c:389 ret_from_fork+0x34/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffffc90002cd7b80: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 ffffc90002cd7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc90002cd7c80: 00 00 00 00 f1 f1 f1 f1 00 00 00 00 00 00 00 00 ^ ffffc90002cd7d00: 00 00 00 00 00 00 00 00 f2 f2 f2 f2 00 f2 f2 f2 ffffc90002cd7d80: 00 00 00 00 00 f3 f3 f3 f3 f3 f3 f3 00 00 00 00 ==================================================================