ci2 starts bisection 2024-01-20 04:31:05.075546396 +0000 UTC m=+48766.610983025 bisecting cause commit starting from 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 building syzkaller on 9bd8dcda8c7c494d59bd3132a668f4784ea835c6 ensuring issue is reproducible on original commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 testing commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e19e014a31e9d6c6c796f13f9186b55b084f5a444ba82734e637ef11c4a48e38 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3d73e1e30665ad6f090ee320ad623a64bc1d44dcce24aefb680ff449f3048de6 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=3915 full=7676 leaves diff=2012 split chunks (needed=false): <2012> split chunk #0 of len 2012 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a96de4dd7a975cfc52dc0719e915c589a4d9002d9427e01fd0d339e34cddc29 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c65f3308d2ff54240d7404326a1ea779d5323c4af2dc7a636068889bf51b7bec all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a0d031102450d9a42e199d4e81a463a538ce10b77e40e0ce875b5b3950b1d378 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8c9154f0395f6188b369b214555ccd3ae0bfa39865f430967b6847d41a708bf all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 9d1694dc91ce7b80bc96d6d8eaf1a1eca668d847 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0874f9e23634c9b5ef00c115465f417ea5b60f9496cfeb59e2a3ac486654efb0 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] the chunk can be dropped minimized to 403 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_DP_AUX_BUS DRM_DP_AUX_CHARDEV DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR 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 DRM_VRAM_HELPER 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_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_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 EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC 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_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_CPU_DEVICES GENERIC_PHY GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB 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_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_CMEDIA HID_CORSAIR HID_CP2112 HID_ELECOM HID_ELO HID_EMS_FF HID_GEMBIRD HID_GFRM HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MAGICMOUSE HID_MAYFLASH 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_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS 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_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 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_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_TEST IOMMU_MM_DATA IOMMU_SVA 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_LBLCR IP_VS_LC 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_FWD_NETDEV NF_TABLES NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE VIDEO_DEV VIRTIO_FS WAN X86_HAVE_PAE ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed picked [v6.7 v6.6 v6.5 v6.3 v6.1 v5.19 v5.17 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 30 release tags testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 421e53f00abe5eedf3a6ae9d7aee4f28b11b84d415b72de383af35fbc932f608 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5f2acde054ac8190b7ac9fe7bc82e7442e3f6ff753177c55d190ab395224f9fd all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] 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: 5471ceb3166422c416e04d09086e7d1411b0f8a4f5e4c8faf330b2787e276c19 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9f60a8de7b2eacddff9aad9bd0842c17e87680336c172cade81c2dba5645bbc4 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v6.1 testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: adf7a523068a968188a1a9f76fee3ca85326081531c11151f9ab2e88597b692e all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5f30c73d88f9d200593a83d2111af1e859f28f22be2dbd08549d377f6a63236 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9caaf746059ffe5ebd05fcdfef0e53b4c38909829b1e9da6151615c621f7cfb9 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a0080e071c73838cd33cd1eaf4fe781cca745e6a84d7c7ffffe40293113a8c0 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9763f5917584ae323f3ca1867b6098cfd57aae1dd6e588fca8e28aca29bbac74 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7f7239404ea5bc89f2a514822340d0dd673152c19c036b9879a6800cc59ca151 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3d64e5d15f7402add533fad64ace504c85573d3980d78ed26e7269c308d15e27 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c05df6ebfb156835cb699715b1a43cdb3bf44381c6a6dd9e9dd03f7c4abbf5a2 all runs: boot failed: can't ssh into the instance unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: a5e69ba97a393df9f4c1c9c72c651ba364dee1553a53f027f6c8d1c55ba18ba3 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c498780d950d7da112f5308062d14aee8e252caf59580e34b5b51465716dcdb1 all runs: crashed: possible deadlock in hfsplus_block_free representative crash: possible deadlock in hfsplus_block_free, types: [LOCKDEP] crash still not fixed/happens on the oldest tested release revisions tested: 21, total time: 2h55m42.851005263s (build: 1h6m17.996128136s, test: 1h42m41.163701432s) oldest tested release already had the bug or it had kernel test errors commit msg: Linux 4.19 crash: possible deadlock in hfsplus_block_free IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 ====================================================== WARNING: possible circular locking dependency detected 4.19.0-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/5038 is trying to acquire lock: 00000000bc6c3f9d (&sbi->alloc_mutex){+.+.}, at: hfsplus_block_free+0x57/0x1f7 fs/hfsplus/bitmap.c:182 but task is already holding lock: 00000000b82b827a (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x87/0x39a fs/hfsplus/extents.c:570 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x5d/0x750 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hfsplus_get_block+0xeb/0x230 fs/hfsplus/extents.c:254 block_read_full_page+0x100/0x3d0 fs/buffer.c:2247 hfsplus_readpage+0x13/0x20 fs/hfsplus/inode.c:27 do_read_cache_page.part.6+0x214/0x450 mm/filemap.c:2805 do_read_cache_page mm/filemap.c:2892 [inline] read_cache_page+0x10/0x20 mm/filemap.c:2893 read_mapping_page include/linux/pagemap.h:402 [inline] hfsplus_block_allocate+0x7e/0x3c0 fs/hfsplus/bitmap.c:37 hfsplus_file_extend+0xd5/0x330 fs/hfsplus/extents.c:462 hfsplus_get_block+0x63/0x230 fs/hfsplus/extents.c:239 __block_write_begin_int+0x168/0x5a0 fs/buffer.c:1966 __block_write_begin fs/buffer.c:2016 [inline] block_write_begin+0x48/0x100 fs/buffer.c:2075 cont_write_begin+0x1ce/0x2c0 fs/buffer.c:2428 hfsplus_write_begin+0x35/0x70 fs/hfsplus/inode.c:52 pagecache_write_begin+0x11/0x20 mm/filemap.c:2983 __page_symlink+0xb4/0x100 fs/namei.c:4832 page_symlink+0x1c/0x20 fs/namei.c:4855 hfsplus_symlink+0x69/0x130 fs/hfsplus/dir.c:449 vfs_symlink+0xe6/0x170 fs/namei.c:4127 do_symlinkat+0xdd/0xf0 fs/namei.c:4154 __do_sys_symlink fs/namei.c:4173 [inline] __se_sys_symlink fs/namei.c:4171 [inline] __x64_sys_symlink+0x16/0x20 fs/namei.c:4171 do_syscall_64+0x68/0x1b0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&sbi->alloc_mutex){+.+.}: lock_acquire+0xc0/0x190 kernel/locking/lockdep.c:3900 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x5d/0x750 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hfsplus_block_free+0x57/0x1f7 fs/hfsplus/bitmap.c:182 hfsplus_free_extents+0x76/0xe0 fs/hfsplus/extents.c:357 hfsplus_file_truncate+0x254/0x39a fs/hfsplus/extents.c:585 hfsplus_delete_inode+0x56/0x70 fs/hfsplus/inode.c:418 hfsplus_unlink+0x193/0x1d0 fs/hfsplus/dir.c:405 hfsplus_rename+0x88/0x90 fs/hfsplus/dir.c:545 vfs_rename+0x4ac/0x930 fs/namei.c:4477 do_renameat2+0x416/0x5c0 fs/namei.c:4627 __do_sys_renameat2 fs/namei.c:4662 [inline] __se_sys_renameat2 fs/namei.c:4659 [inline] __x64_sys_renameat2+0x1f/0x30 fs/namei.c:4659 do_syscall_64+0x68/0x1b0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&HFSPLUS_I(inode)->extents_lock); lock(&sbi->alloc_mutex); lock(&HFSPLUS_I(inode)->extents_lock); lock(&sbi->alloc_mutex); *** DEADLOCK *** 6 locks held by syz-executor.2/5038: #0: 00000000fc7c8df1 (sb_writers#14){.+.+}, at: sb_start_write include/linux/fs.h:1566 [inline] #0: 00000000fc7c8df1 (sb_writers#14){.+.+}, at: mnt_want_write+0x1f/0x50 fs/namespace.c:360 #1: 00000000a68ad8fc (&type->i_mutex_dir_key#8/1){+.+.}, at: inode_lock_nested include/linux/fs.h:773 [inline] #1: 00000000a68ad8fc (&type->i_mutex_dir_key#8/1){+.+.}, at: lock_rename+0xfa/0x100 fs/namei.c:2862 #2: 00000000ba440c7f (&sb->s_type->i_mutex_key#20){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] #2: 00000000ba440c7f (&sb->s_type->i_mutex_key#20){+.+.}, at: lock_two_nondirectories+0x66/0x70 fs/inode.c:1007 #3: 00000000bac6ed35 (&sb->s_type->i_mutex_key#20/4){+.+.}, at: inode_lock_nested include/linux/fs.h:773 [inline] #3: 00000000bac6ed35 (&sb->s_type->i_mutex_key#20/4){+.+.}, at: lock_two_nondirectories+0x54/0x70 fs/inode.c:1009 #4: 00000000c11ffe07 (&sbi->vh_mutex){+.+.}, at: hfsplus_unlink+0x5b/0x1d0 fs/hfsplus/dir.c:370 #5: 00000000b82b827a (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_file_truncate+0x87/0x39a fs/hfsplus/extents.c:570 stack backtrace: CPU: 1 PID: 5038 Comm: syz-executor.2 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xc4/0x11a lib/dump_stack.c:113 print_circular_bug.isra.18.cold.35+0x173/0x1cd kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x11bb/0x12f0 kernel/locking/lockdep.c:3411 lock_acquire+0xc0/0x190 kernel/locking/lockdep.c:3900 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x5d/0x750 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 hfsplus_block_free+0x57/0x1f7 fs/hfsplus/bitmap.c:182 hfsplus_free_extents+0x76/0xe0 fs/hfsplus/extents.c:357 hfsplus_file_truncate+0x254/0x39a fs/hfsplus/extents.c:585 hfsplus_delete_inode+0x56/0x70 fs/hfsplus/inode.c:418 hfsplus_unlink+0x193/0x1d0 fs/hfsplus/dir.c:405 hfsplus_rename+0x88/0x90 fs/hfsplus/dir.c:545 vfs_rename+0x4ac/0x930 fs/namei.c:4477 do_renameat2+0x416/0x5c0 fs/namei.c:4627 __do_sys_renameat2 fs/namei.c:4662 [inline] __se_sys_renameat2 fs/namei.c:4659 [inline] __x64_sys_renameat2+0x1f/0x30 fs/namei.c:4659 do_syscall_64+0x68/0x1b0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f27ff538da9 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:00007f27ff0bb0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f27ff667f80 RCX: 00007f27ff538da9 RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007f27ff58547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000016 R14: 00007f27ff667f80 R15: 00007ffe3864aad8