ci2 starts bisection 2025-06-07 09:06:27.78564793 +0000 UTC m=+25423.700352796 bisecting fixing commit since c16c81c81336c0912eb3542194f16215c0a40037 building syzkaller on c3901742785ff25afdc6f470af7b25b69d7c4f2f ensuring issue is reproducible on original commit c16c81c81336c0912eb3542194f16215c0a40037 testing commit c16c81c81336c0912eb3542194f16215c0a40037 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7191ca9c18a5dae75af2619947f62427ca0266f2e10422b98d6ece2b276f7401 run #0: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #1: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #2: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #3: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #4: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #5: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #6: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #7: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #8: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #9: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #10: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #11: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #12: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #13: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #14: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #15: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #16: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #17: OK run #18: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #19: OK representative crash: KASAN: use-after-free Read in xfs_iflush_cluster, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit c16c81c81336c0912eb3542194f16215c0a40037 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bab60130f3aad80bd113c9ce09fb97dce23b3048ff5b02f49aad825c148a35f8 run #0: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #1: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #2: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #3: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #4: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in xfs_iflush_cluster, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=3707 full=7305 leaves diff=2040 split chunks (needed=false): <2040> split chunk #0 of len 2040 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit c16c81c81336c0912eb3542194f16215c0a40037 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2398ecc9dd9f95a0eb1d3920b34a39b7c6686a3fc30b7db499884329afdde084 run #0: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #1: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #2: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #3: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #4: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #5: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #6: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in xfs_iflush_cluster, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c16c81c81336c0912eb3542194f16215c0a40037 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cf52ba75a1684c2d41ad9fd74c0387f71ab83faecf8f65423f4732c7e645c431 run #0: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #1: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #2: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #3: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #4: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #5: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #6: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in xfs_iflush_cluster, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit c16c81c81336c0912eb3542194f16215c0a40037 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 88754e1eb3ca449fe2dd63dc8eaa4abb58513cb059440860bd7d4e79a20cec78 run #0: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #1: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #2: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #3: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #4: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #5: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #6: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #7: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in xfs_iflush_cluster, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit c16c81c81336c0912eb3542194f16215c0a40037 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe1c831d78bfe26e9ed9896381a5fd672f44096a3b97ccc067075c3ab918f8c6 run #0: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #1: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in xfs_inode_item_push, types: [KASAN] testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit c16c81c81336c0912eb3542194f16215c0a40037 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d35b5c5c00b93d745efd0bf783d835a733be498a3853b9969c19e1a9aaf02512 all runs: OK false negative chance: 0.000 minimized to 816 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BXT_WC_PMIC_OPREGION CARDBUS CFG80211 CFG80211_WEXT CMA CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB FRONTSWAP GENEVE GPIOLIB HAMRADIO HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP IRQ_REMAP L2TP LIBCRC32C LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTPLUG_SPARSE MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_865 NLS_CODEPAGE_866 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ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PMIC_OPREGION PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU PRISM2_USB PROC_CHILDREN PROC_MEM_ALWAYS_FORCE PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN 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STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TAP TARGET_CORE TASKS_RCU TASKS_RCU_GENERIC TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE 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USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STKWEBCAM USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_REALTEK USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USB_ZR364XX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOBUF_GEN VIDEOBUF_VMALLOC VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CPIA2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TM6000 VIDEO_TM6000_ALSA VIDEO_TM6000_DVB VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2 VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK X86_SGX X86_X2APIC X86_X32 XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD 1c700860e8bc079c5c71d73c55e51865d273943c testing commit 1c700860e8bc079c5c71d73c55e51865d273943c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cc194256870f6aeb64e580b3499f714103c0393fd70e37219a33aa7a092419f8 run #0: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #1: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #2: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #3: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #4: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #5: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #6: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #7: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #8: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #9: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #10: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #11: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #12: crashed: KASAN: use-after-free Read in xfs_iflush_cluster run #13: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #14: crashed: KASAN: use-after-free Read in xfs_inode_item_push run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: use-after-free Read in xfs_iflush_cluster, types: [KASAN] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.80 repro chance estimate) revisions tested: 8, total time: 2h22m9.362902799s (build: 30m35.630234561s, test: 1h49m21.89161761s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.185 crash: KASAN: use-after-free Read in xfs_iflush_cluster ================================================================== BUG: KASAN: use-after-free in xfs_iflush_cluster+0xbda/0x1050 fs/xfs/xfs_inode.c:3646 Read of size 8 at addr ffff88806dca3690 by task xfsaild/loop4/6740 CPU: 0 PID: 6740 Comm: xfsaild/loop4 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x41/0x5e lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x6c/0x309 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:451 xfs_iflush_cluster+0xbda/0x1050 fs/xfs/xfs_inode.c:3646 xfs_inode_item_push+0x1c7/0x2c0 fs/xfs/xfs_inode_item.c:567 xfsaild_push_item fs/xfs/xfs_trans_ail.c:414 [inline] xfsaild_push fs/xfs/xfs_trans_ail.c:472 [inline] xfsaild+0x80f/0x1e00 fs/xfs/xfs_trans_ail.c:657 kthread+0x30c/0x3d0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 6699: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x61/0x80 mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x223/0x370 mm/slub.c:3233 kmem_cache_zalloc include/linux/slab.h:725 [inline] xfs_inode_item_init+0x1b/0xb0 fs/xfs/xfs_inode_item.c:675 xfs_trans_ijoin+0x9b/0xf0 fs/xfs/libxfs/xfs_trans_inode.c:36 xfs_create+0xa73/0xf80 fs/xfs/xfs_inode.c:1056 xfs_generic_create+0x228/0x620 fs/xfs/xfs_iops.c:197 lookup_open.isra.0+0xe3b/0x1680 fs/namei.c:3462 open_last_lookups fs/namei.c:3532 [inline] path_openat+0x7e3/0x2360 fs/namei.c:3739 do_filp_open+0x199/0x3d0 fs/namei.c:3769 do_sys_openat2+0x11e/0x400 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_open fs/open.c:1277 [inline] __se_sys_open fs/open.c:1273 [inline] __x64_sys_open+0xfd/0x1a0 fs/open.c:1273 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 4260: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free mm/kasan/common.c:328 [inline] __kasan_slab_free+0xe0/0x110 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1705 [inline] slab_free_freelist_hook mm/slub.c:1731 [inline] slab_free mm/slub.c:3499 [inline] kmem_cache_free+0x7e/0x470 mm/slub.c:3515 xfs_inode_free_callback+0x195/0x2a0 fs/xfs/xfs_icache.c:142 rcu_do_batch kernel/rcu/tree.c:2523 [inline] rcu_core+0x549/0x11b0 kernel/rcu/tree.c:2763 handle_softirqs+0x1ef/0x520 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu kernel/softirq.c:659 [inline] irq_exit_rcu+0xd0/0x110 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 The buggy address belongs to the object at ffff88806dca3640 which belongs to the cache xfs_ili of size 256 The buggy address is located 80 bytes inside of 256-byte region [ffff88806dca3640, ffff88806dca3740) The buggy address belongs to the page: page:ffffea0001b728c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6dca3 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea0001cdda40 0000000400000004 ffff888140df2b40 raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x112c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 3336, ts 90276061288, free_ts 54850664194 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x1369/0x31f0 mm/page_alloc.c:4192 __alloc_pages+0x1b2/0x440 mm/page_alloc.c:5474 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab+0x2eb/0x430 mm/slub.c:1912 new_slab mm/slub.c:1975 [inline] ___slab_alloc+0xa4b/0xfe0 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x31f/0x370 mm/slub.c:3233 kmem_cache_zalloc include/linux/slab.h:725 [inline] xfs_inode_item_init+0x1b/0xb0 fs/xfs/xfs_inode_item.c:675 xfs_trans_ijoin+0x9b/0xf0 fs/xfs/libxfs/xfs_trans_inode.c:36 xfs_trans_alloc_dir+0x188/0x3f0 fs/xfs/xfs_trans.c:1246 xfs_remove+0x380/0x9c0 fs/xfs/xfs_inode.c:2792 xfs_vn_unlink+0xf3/0x200 fs/xfs/xfs_iops.c:387 vfs_unlink+0x291/0x800 fs/namei.c:4280 do_unlinkat+0x30f/0x550 fs/namei.c:4348 __do_sys_unlink fs/namei.c:4396 [inline] __se_sys_unlink fs/namei.c:4394 [inline] __x64_sys_unlink+0xa0/0xe0 fs/namei.c:4394 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare+0x379/0x850 mm/page_alloc.c:1391 free_unref_page_prepare mm/page_alloc.c:3317 [inline] free_unref_page+0x19/0x4b0 mm/page_alloc.c:3396 __unfreeze_partials+0x2b9/0x2d0 mm/slub.c:2507 qlink_free mm/kasan/quarantine.c:157 [inline] qlist_free_all+0x68/0x110 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x180/0x1f0 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x73/0x80 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x223/0x370 mm/slub.c:3233 anon_vma_chain_alloc mm/rmap.c:138 [inline] __anon_vma_prepare+0x4a/0x4d0 mm/rmap.c:192 anon_vma_prepare include/linux/rmap.h:152 [inline] do_anonymous_page mm/memory.c:3836 [inline] handle_pte_fault mm/memory.c:4648 [inline] __handle_mm_fault+0x3227/0x35c0 mm/memory.c:4785 handle_mm_fault+0x1c5/0x5b0 mm/memory.c:4883 do_user_addr_fault+0x298/0xc80 arch/x86/mm/fault.c:1357 handle_page_fault arch/x86/mm/fault.c:1445 [inline] exc_page_fault+0x5a/0xb0 arch/x86/mm/fault.c:1501 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606 Memory state around the buggy address: ffff88806dca3580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88806dca3600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb >ffff88806dca3680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88806dca3700: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88806dca3780: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================