ci2 starts bisection 2025-10-22 05:32:32.675902489 +0000 UTC m=+8960.132520633 bisecting cause commit starting from 552c50713f273b494ac6c77052032a49bc9255e2 building syzkaller on 9832ed61ae41048a549b0194edc9dcade0851e76 ensuring issue is reproducible on original commit 552c50713f273b494ac6c77052032a49bc9255e2 testing commit 552c50713f273b494ac6c77052032a49bc9255e2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 6459c639f0d612a43339441496a151c50b47a5b0fcda325c14e290527e8ef579 run #0: crashed: kernel BUG in hfs_new_inode run #1: crashed: kernel BUG in hfs_new_inode run #2: crashed: kernel BUG in hfs_new_inode run #3: crashed: kernel BUG in hfs_new_inode run #4: crashed: kernel BUG in hfs_new_inode run #5: crashed: kernel BUG in hfs_new_inode run #6: crashed: kernel BUG in hfs_new_inode run #7: crashed: kernel BUG in hfs_new_inode run #8: crashed: kernel BUG in hfs_new_inode run #9: crashed: kernel BUG in hfs_new_inode run #10: crashed: kernel BUG in hfs_new_inode run #11: crashed: kernel BUG in hfs_new_inode run #12: crashed: kernel BUG in hfs_new_inode run #13: crashed: kernel BUG in hfs_new_inode run #14: crashed: kernel BUG in hfs_new_inode run #15: crashed: kernel BUG in hfs_new_inode run #16: crashed: kernel BUG in hfs_new_inode run #17: crashed: kernel BUG in hfs_new_inode run #18: crashed: kernel BUG in hfs_new_inode run #19: crashed: kernel BUG in corrupted representative crash: kernel BUG in hfs_new_inode, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 552c50713f273b494ac6c77052032a49bc9255e2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ad2b25525a957b6401c9ba0cae95b9298d609e994e0ddb1e05c45669c6cc9eb4 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] the bug reproduces without the instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed kconfig minimization: base=4109 full=8350 leaves diff=2116 split chunks (needed=false): <2116> split chunk #0 of len 2116 into 5 parts testing without sub-chunk 1/5 disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing commit 552c50713f273b494ac6c77052032a49bc9255e2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d53902b174dcdb86a122eb1dae66e7949d97da6946de605fb05ef813ba1d538f all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 552c50713f273b494ac6c77052032a49bc9255e2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ffb1f63160d7b665ed0f1ff3bd9a0b2e4c165a2d24af182d38fe9d5ed280fefe all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed testing commit 552c50713f273b494ac6c77052032a49bc9255e2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 27a47c15908cfa305c984cdd087c84a18c4170573db34cd860405fb57145a9c8 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 552c50713f273b494ac6c77052032a49bc9255e2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ff96832c9cef2cbc22d133eb77af67efa97ba6a63168e3e362ce4f1e3d39cbd3 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 552c50713f273b494ac6c77052032a49bc9255e2 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: cd140a2abe5204a4de36cecdb39c5a029db4b0d5ba26cd341333041dc99030a0 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] the chunk can be dropped minimized to 424 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI BLK_DEV_ZONED CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_KMS_HELPER DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_SYSFB_HELPER 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 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EVM_EXTRA_SMACK_XATTRS EXFAT_FS EXPORTFS_BLOCK_OPS EXTCON EXTCON_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 EXTENDED_MODVERSIONS 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_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_BANDWIDTH GTP GUEST_PERF_EVENTS HAS_LTO_CLANG 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_DRAGONRISE 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_HAPTIC HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH 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_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_PSP 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 IO_URING_MOCK_FILE 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_TARGET_NPT IP6_NF_TARGET_REJECT 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_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_TARGET_ECN IP_NF_TARGET_REJECT IP_NF_TARGET_SYNPROXY IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR 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 MODVERSIONS 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 TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE] disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed picked [v6.17 v6.16 v6.15 v6.13 v6.11 v6.9 v6.7 v6.5 v6.2 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 40 release tags testing release v6.17 testing commit e5f0a698b34ed76002dc5cff3804a61c80233a7a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1266f5c08dd1d933a2fcca0b1b131b401e106e645577c0f6ba58ae3dff6235c8 all runs: OK false negative chance: 0.000 # git bisect start 552c50713f273b494ac6c77052032a49bc9255e2 e5f0a698b34ed76002dc5cff3804a61c80233a7a Bisecting: 6851 revisions left to test after this (roughly 13 steps) [58809f614e0e3f4e12b489bddf680bfeb31c0a20] Merge tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel testing commit 58809f614e0e3f4e12b489bddf680bfeb31c0a20 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 94a9ca58a3a5b347582b24fce8f1f0bf41b268eed7580a18ab6876878bcf772e all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad 58809f614e0e3f4e12b489bddf680bfeb31c0a20 Bisecting: 3518 revisions left to test after this (roughly 12 steps) [a8253f807760e9c80eada9e5354e1240ccf325f9] Merge tag 'soc-newsoc-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit a8253f807760e9c80eada9e5354e1240ccf325f9 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7e90ab6ae04bdc49cf91b111a2b58105181bc580060d4811738767a41a45afb2 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad a8253f807760e9c80eada9e5354e1240ccf325f9 Bisecting: 1480 revisions left to test after this (roughly 11 steps) [4b81e2eb9e4db8f6094c077d0c8b27c264901c1b] Merge tag 'timers-vdso-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 4b81e2eb9e4db8f6094c077d0c8b27c264901c1b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 215bca82f07b80f1abe2f3138eb1865f2900af66278f2c6b5a1218e728be2179 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad 4b81e2eb9e4db8f6094c077d0c8b27c264901c1b Bisecting: 721 revisions left to test after this (roughly 10 steps) [f1004b2f19d7e9add9d707f64d9fcbc50f67921b] Merge tag 'm68k-for-v6.18-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k testing commit f1004b2f19d7e9add9d707f64d9fcbc50f67921b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 94b0c54387b583f9d6d91559b32ab3bc73bb00dd2a42cc0b7b81bf60be3d7518 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad f1004b2f19d7e9add9d707f64d9fcbc50f67921b Bisecting: 276 revisions left to test after this (roughly 9 steps) [a9401710a5f5681abd2a6f21f9e76bc9f2e81891] Merge tag 'v6.18-rc-part1-smb3-common' of git://git.samba.org/ksmbd testing commit a9401710a5f5681abd2a6f21f9e76bc9f2e81891 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: df7838aaa3abcb9f41709798dbc85e9fa9a8827481c8779c7822ced04241e209 all runs: OK false negative chance: 0.000 # git bisect good a9401710a5f5681abd2a6f21f9e76bc9f2e81891 Bisecting: 149 revisions left to test after this (roughly 7 steps) [fe68bb2861808ed5c48d399bd7e670ab76829d55] Merge tag 'microblaze-v6.18' of git://git.monstr.eu/linux-2.6-microblaze testing commit fe68bb2861808ed5c48d399bd7e670ab76829d55 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 13a2b5a4925d7025c60e6c0127d8e25c2ef91905e7948ad1761c0e982902856f all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad fe68bb2861808ed5c48d399bd7e670ab76829d55 Bisecting: 51 revisions left to test after this (roughly 6 steps) [d8768fb12a14c30436bd0466b4fc28edeef45078] Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux testing commit d8768fb12a14c30436bd0466b4fc28edeef45078 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: aa73072c89094b8ace567f35f2eab371051545f46c193f28e129d2346df08a92 all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad d8768fb12a14c30436bd0466b4fc28edeef45078 Bisecting: 37 revisions left to test after this (roughly 5 steps) [54e7bb6ade8acd3fb1c486c9f3e2c0dfdc18f84e] wireguard: kconfig: simplify crypto kconfig selections testing commit 54e7bb6ade8acd3fb1c486c9f3e2c0dfdc18f84e gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 97fdc0190f53ee6ec4f8e0533e418b0902f5dceaac743431b45f2cc2503d1eaa all runs: OK false negative chance: 0.000 # git bisect good 54e7bb6ade8acd3fb1c486c9f3e2c0dfdc18f84e Bisecting: 20 revisions left to test after this (roughly 4 steps) [5928397f5739fb94559350575826d94fa8c35929] Merge tag 'erofs-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs testing commit 5928397f5739fb94559350575826d94fa8c35929 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d5df1b80499c8d7d90bf6e30b644009021818899c4922f8fbedec15fd63f126a all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad 5928397f5739fb94559350575826d94fa8c35929 Bisecting: 8 revisions left to test after this (roughly 3 steps) [a06ec283e125e334155fe13005c76c9f484ce759] hfs: add logic of correcting a next unused CNID testing commit a06ec283e125e334155fe13005c76c9f484ce759 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fc3388ecd6b63596dbc34815706bce205e3da66997d56b5ea3ce07b7ceaff02c all runs: crashed: kernel BUG in hfs_new_inode representative crash: kernel BUG in hfs_new_inode, types: [BUG] # git bisect bad a06ec283e125e334155fe13005c76c9f484ce759 Bisecting: 3 revisions left to test after this (roughly 2 steps) [4840ceadef4290c56cc422f0fc697655f3cbf070] hfsplus: fix KMSAN uninit-value issue in __hfsplus_ext_cache_extent() testing commit 4840ceadef4290c56cc422f0fc697655f3cbf070 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d421ee413e2ac8a71c9ee10aa4a1f01af3109d6bf70c07a4239ea8c9b39aef24 all runs: OK false negative chance: 0.000 # git bisect good 4840ceadef4290c56cc422f0fc697655f3cbf070 Bisecting: 1 revision left to test after this (roughly 1 step) [2048ec5b98dbdfe0b929d2e42dc7a54c389c53dd] hfs: fix KMSAN uninit-value issue in hfs_find_set_zero_bits() testing commit 2048ec5b98dbdfe0b929d2e42dc7a54c389c53dd gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 479f66b977f702dcdf4607e20f201371830b76ab8bde966b0c54b5c880000b5e all runs: OK false negative chance: 0.000 # git bisect good 2048ec5b98dbdfe0b929d2e42dc7a54c389c53dd Bisecting: 0 revisions left to test after this (roughly 0 steps) [9b3d15a758910bb98ba8feb4109d99cc67450ee4] hfsplus: fix KMSAN uninit-value issue in hfsplus_delete_cat() testing commit 9b3d15a758910bb98ba8feb4109d99cc67450ee4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f89dd778fda756fd4cd3217183de054840c0a36eb6abadc712fed8836a443c0f all runs: OK false negative chance: 0.000 # git bisect good 9b3d15a758910bb98ba8feb4109d99cc67450ee4 a06ec283e125e334155fe13005c76c9f484ce759 is the first bad commit commit a06ec283e125e334155fe13005c76c9f484ce759 Author: Viacheslav Dubeyko Date: Tue Jun 10 16:16:09 2025 -0700 hfs: add logic of correcting a next unused CNID The generic/736 xfstest fails for HFS case: BEGIN TEST default (1 test): hfs Mon May 5 03:18:32 UTC 2025 DEVICE: /dev/vdb HFS_MKFS_OPTIONS: MOUNT_OPTIONS: MOUNT_OPTIONS FSTYP -- hfs PLATFORM -- Linux/x86_64 kvm-xfstests 6.15.0-rc4-xfstests-g00b827f0cffa #1 SMP PREEMPT_DYNAMIC Fri May 25 MKFS_OPTIONS -- /dev/vdc MOUNT_OPTIONS -- /dev/vdc /vdc generic/736 [03:18:33][ 3.510255] run fstests generic/736 at 2025-05-05 03:18:33 _check_generic_filesystem: filesystem on /dev/vdb is inconsistent (see /results/hfs/results-default/generic/736.full for details) Ran: generic/736 Failures: generic/736 Failed 1 of 1 tests The HFS volume becomes corrupted after the test run: sudo fsck.hfs -d /dev/loop50 ** /dev/loop50 Using cacheBlockSize=32K cacheTotalBlock=1024 cacheSize=32768K. Executing fsck_hfs (version 540.1-Linux). ** Checking HFS volume. The volume name is untitled ** Checking extents overflow file. ** Checking catalog file. ** Checking catalog hierarchy. ** Checking volume bitmap. ** Checking volume information. invalid MDB drNxtCNID Master Directory Block needs minor repair (1, 0) Verify Status: VIStat = 0x8000, ABTStat = 0x0000 EBTStat = 0x0000 CBTStat = 0x0000 CatStat = 0x00000000 ** Repairing volume. ** Rechecking volume. ** Checking HFS volume. The volume name is untitled ** Checking extents overflow file. ** Checking catalog file. ** Checking catalog hierarchy. ** Checking volume bitmap. ** Checking volume information. ** The volume untitled was repaired successfully. The main reason of the issue is the absence of logic that corrects mdb->drNxtCNID/HFS_SB(sb)->next_id (next unused CNID) after deleting a record in Catalog File. This patch introduces a hfs_correct_next_unused_CNID() method that implements the necessary logic. In the case of Catalog File's record delete operation, the function logic checks that (deleted_CNID + 1) == next_unused_CNID and it finds/sets the new value of next_unused_CNID. sudo ./check generic/736 FSTYP -- hfs PLATFORM -- Linux/x86_64 hfsplus-testing-0001 6.15.0+ #6 SMP PREEMPT_DYNAMIC Tue Jun 10 15:02:48 PDT 2025 MKFS_OPTIONS -- /dev/loop51 MOUNT_OPTIONS -- /dev/loop51 /mnt/scratch generic/736 33s Ran: generic/736 Passed all 1 tests sudo fsck.hfs -d /dev/loop50 ** /dev/loop50 Using cacheBlockSize=32K cacheTotalBlock=1024 cacheSize=32768K. Executing fsck_hfs (version 540.1-Linux). ** Checking HFS volume. The volume name is untitled ** Checking extents overflow file. ** Checking catalog file. ** Checking catalog hierarchy. ** Checking volume bitmap. ** Checking volume information. ** The volume untitled appears to be OK Signed-off-by: Viacheslav Dubeyko Link: https://lore.kernel.org/r/20250610231609.551930-1-slava@dubeyko.com Signed-off-by: Viacheslav Dubeyko fs/hfs/catalog.c | 123 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ fs/hfs/hfs_fs.h | 6 +-- fs/hfs/inode.c | 21 +++++++--- fs/hfs/mdb.c | 18 +++++--- fs/hfs/super.c | 4 ++ 5 files changed, 158 insertions(+), 14 deletions(-) accumulated error probability: 0.00 culprit signature: fc3388ecd6b63596dbc34815706bce205e3da66997d56b5ea3ce07b7ceaff02c parent signature: f89dd778fda756fd4cd3217183de054840c0a36eb6abadc712fed8836a443c0f revisions tested: 21, total time: 6h8m57.854491254s (build: 3h3m35.572418826s, test: 2h38m53.976494119s) first bad commit: a06ec283e125e334155fe13005c76c9f484ce759 hfs: add logic of correcting a next unused CNID recipients (to): ["slava@dubeyko.com"] recipients (cc): [] crash: kernel BUG in hfs_new_inode loop3: detected capacity change from 0 to 64 hfs: unable to locate alternate MDB hfs: continuing without an alternate MDB ------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:222! Oops: invalid opcode: 0000 [#1] SMP PTI CPU: 1 UID: 0 PID: 3553 Comm: syz.3.17 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:hfs_new_inode+0x2c5/0x2d0 fs/hfs/inode.c:222 Code: 00 00 f0 80 88 28 01 00 00 02 48 89 df e8 93 22 00 00 4c 89 f0 5b 41 5c 41 5e 41 5f 5d e9 43 e2 08 01 cc 90 0f 0b 90 0f 0b 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000137fc08 EFLAGS: 00010246 RAX: ffff888106704400 RBX: ffff888102f29000 RCX: 0000000100000000 RDX: 0000000000000000 RSI: 0000000068f8b750 RDI: ffffc9000137fb90 RBP: 0000000000008058 R08: 0000000000080000 R09: 0000000000000053 R10: 0000000000000000 R11: ffffffff8176ab10 R12: 0000000100000000 R13: ffff888116c67270 R14: ffff8881077e0758 R15: ffff8881077e0158 FS: 00007fd571e5f6c0(0000) GS:ffff8882b3c37000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30c63fff CR3: 0000000105710000 CR4: 00000000003506f0 Call Trace: hfs_create+0x23/0x90 fs/hfs/dir.c:198 lookup_open fs/namei.c:3708 [inline] open_last_lookups fs/namei.c:3807 [inline] path_openat+0x787/0xee0 fs/namei.c:4043 do_filp_open+0xc6/0x180 fs/namei.c:4073 do_sys_openat2+0x7c/0xd0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x7b/0xa0 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0x2f0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd571feefc9 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:00007fd571e5f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd572245fa0 RCX: 00007fd571feefc9 RDX: 0000000000000042 RSI: 00002000000002c0 RDI: ffffffffffffff9c RBP: 00007fd572071f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000058 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd572246038 R14: 00007fd572245fa0 R15: 00007ffc24840b38 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_new_inode+0x2c5/0x2d0 fs/hfs/inode.c:222 Code: 00 00 f0 80 88 28 01 00 00 02 48 89 df e8 93 22 00 00 4c 89 f0 5b 41 5c 41 5e 41 5f 5d e9 43 e2 08 01 cc 90 0f 0b 90 0f 0b 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000137fc08 EFLAGS: 00010246 RAX: ffff888106704400 RBX: ffff888102f29000 RCX: 0000000100000000 RDX: 0000000000000000 RSI: 0000000068f8b750 RDI: ffffc9000137fb90 RBP: 0000000000008058 R08: 0000000000080000 R09: 0000000000000053 R10: 0000000000000000 R11: ffffffff8176ab10 R12: 0000000100000000 R13: ffff888116c67270 R14: ffff8881077e0758 R15: ffff8881077e0158 FS: 00007fd571e5f6c0(0000) GS:ffff8882b3c37000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30c63fff CR3: 0000000105710000 CR4: 00000000003506f0