ci2 starts bisection 2025-11-15 02:59:35.497681916 +0000 UTC m=+52708.166381505 bisecting fixing commit since 003148680b790d8c7da6f58a76d126d1a5a8aebe building syzkaller on 4c6ac32f33aa00c680c8f4656d1fbf2887f390f1 ensuring issue is reproducible on original commit 003148680b790d8c7da6f58a76d126d1a5a8aebe testing commit 003148680b790d8c7da6f58a76d126d1a5a8aebe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 044902de98e75c657177e0dbae9abbad314b9f4259aa53a8b83a476799138fdb run #0: crashed: KASAN: use-after-free Read in sysv_new_inode run #1: crashed: KASAN: use-after-free Read in sysv_new_inode run #2: crashed: KASAN: use-after-free Read in sysv_new_inode run #3: crashed: KASAN: use-after-free Read in sysv_new_inode run #4: crashed: KASAN: use-after-free Read in sysv_new_inode run #5: crashed: KASAN: use-after-free Read in sysv_new_block run #6: crashed: KASAN: use-after-free Read in sysv_new_inode run #7: crashed: KASAN: use-after-free Read in sysv_new_inode run #8: crashed: KASAN: use-after-free Read in sysv_new_inode run #9: crashed: KASAN: use-after-free Read in sysv_new_inode run #10: crashed: KASAN: slab-out-of-bounds Read in sysv_new_inode run #11: crashed: KASAN: use-after-free Read in sysv_new_inode run #12: crashed: KASAN: use-after-free Read in sysv_new_block run #13: crashed: KASAN: use-after-free Read in sysv_new_inode run #14: crashed: KASAN: use-after-free Read in sysv_new_block run #15: crashed: KASAN: use-after-free Read in sysv_new_block run #16: crashed: KASAN: use-after-free Read in sysv_new_inode run #17: crashed: KASAN: use-after-free Read in sysv_new_inode run #18: crashed: KASAN: use-after-free Read in sysv_new_inode run #19: crashed: KASAN: use-after-free Read in sysv_new_inode representative crash: KASAN: use-after-free Read in sysv_new_inode, types: [KASAN-USE-AFTER-FREE-READ] check whether we can drop unnecessary instrumentation disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit 003148680b790d8c7da6f58a76d126d1a5a8aebe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48884b47435754dccd831ac176ac9e2396c7beae56a88d4ff17358b7ac518c54 run #0: crashed: KASAN: use-after-free Read in sysv_new_block run #1: crashed: KASAN: use-after-free Read in sysv_new_inode run #2: crashed: KASAN: use-after-free Read in sysv_new_block run #3: crashed: KASAN: use-after-free Read in sysv_new_block run #4: crashed: KASAN: use-after-free Read in sysv_new_inode run #5: crashed: KASAN: use-after-free Read in sysv_new_inode run #6: crashed: KASAN: use-after-free Read in sysv_new_inode run #7: crashed: KASAN: use-after-free Read in sysv_new_inode run #8: crashed: KASAN: use-after-free Read in sysv_new_inode run #9: crashed: KASAN: use-after-free Read in sysv_new_block representative crash: KASAN: use-after-free Read in sysv_new_block, types: [KASAN-USE-AFTER-FREE-READ] the bug reproduces without the instrumentation disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed kconfig minimization: base=3707 full=7305 leaves diff=2039 split chunks (needed=false): <2039> split chunk #0 of len 2039 into 5 parts testing without sub-chunk 1/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit 003148680b790d8c7da6f58a76d126d1a5a8aebe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 88815e3b6fdf948bf623b826d0e58dbb62ed044b8cd0fd5d0f1ae94e334eda74 run #0: crashed: KASAN: use-after-free Read in sysv_new_inode run #1: crashed: KASAN: use-after-free Read in sysv_new_inode run #2: crashed: KASAN: use-after-free Read in sysv_new_inode run #3: crashed: KASAN: use-after-free Read in sysv_new_inode run #4: crashed: KASAN: use-after-free Read in sysv_new_block run #5: crashed: KASAN: use-after-free Read in sysv_new_inode run #6: crashed: KASAN: use-after-free Read in sysv_new_inode run #7: crashed: KASAN: use-after-free Read in sysv_new_inode run #8: crashed: KASAN: use-after-free Read in sysv_new_inode run #9: crashed: KASAN: use-after-free Read in sysv_new_block representative crash: KASAN: use-after-free Read in sysv_new_inode, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed testing commit 003148680b790d8c7da6f58a76d126d1a5a8aebe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a3d3cb4e9911ad3806fb34c80361d807c778a5835a067f70c504e5858726358 run #0: crashed: KASAN: use-after-free Read in sysv_new_inode run #1: crashed: KASAN: use-after-free Read in sysv_new_inode run #2: crashed: KASAN: use-after-free Read in sysv_new_inode run #3: crashed: KASAN: use-after-free Read in sysv_new_block run #4: crashed: KASAN: use-after-free Read in sysv_new_inode run #5: crashed: KASAN: use-after-free Read in sysv_new_inode run #6: crashed: KASAN: use-after-free Read in sysv_new_inode run #7: crashed: KASAN: use-after-free Read in sysv_new_inode run #8: crashed: KASAN: use-after-free Read in sysv_new_block run #9: crashed: KASAN: use-after-free Read in sysv_new_block representative crash: KASAN: use-after-free Read in sysv_new_inode, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit 003148680b790d8c7da6f58a76d126d1a5a8aebe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c032a2b533ecbc2553fdcd8f855ff7b106263922a33eaca905ee82d8a649d5a1 run #0: crashed: KASAN: use-after-free Read in sysv_new_inode run #1: crashed: KASAN: use-after-free Read in sysv_new_block run #2: crashed: KASAN: use-after-free Read in sysv_new_block run #3: crashed: KASAN: use-after-free Read in sysv_new_inode run #4: crashed: KASAN: use-after-free Read in sysv_new_inode run #5: crashed: KASAN: use-after-free Read in sysv_new_inode run #6: crashed: KASAN: use-after-free Read in sysv_new_block run #7: crashed: KASAN: use-after-free Read in sysv_new_block run #8: crashed: KASAN: use-after-free Read in sysv_new_inode run #9: crashed: KASAN: use-after-free Read in sysv_new_inode representative crash: KASAN: use-after-free Read in sysv_new_inode, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit 003148680b790d8c7da6f58a76d126d1a5a8aebe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9aecfe40ec661ffa9deb5c3fdd3c9b4078eaaf4fd2655057e37cc496188c05bc all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed testing commit 003148680b790d8c7da6f58a76d126d1a5a8aebe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 18aff15035bfdfc231bb638c6036bc7277de6acc6a81f2895affe6df1ad9a93d run #0: crashed: KASAN: use-after-free Read in sysv_new_inode run #1: crashed: KASAN: use-after-free Read in sysv_new_inode run #2: crashed: KASAN: use-after-free Read in sysv_new_inode run #3: crashed: KASAN: use-after-free Read in sysv_new_inode run #4: crashed: KASAN: use-after-free Read in sysv_new_block run #5: crashed: KASAN: use-after-free Read in sysv_new_inode run #6: crashed: KASAN: use-after-free Read in sysv_new_inode run #7: crashed: KASAN: use-after-free Read in sysv_new_block run #8: crashed: KASAN: use-after-free Read in sysv_new_inode run #9: crashed: KASAN: use-after-free Read in sysv_new_inode representative crash: KASAN: use-after-free Read in sysv_new_inode, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped minimized to 408 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER 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 L2TP LIBCRC32C LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN 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 R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_NZXT_KRAKEN2 SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS_COMMON SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_CGROUP_DATA SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP 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 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 TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TPM_KEY_PARSER TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UCSI_CCG UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing current HEAD cc5ec87693063acebb60f587e8a019ba9b94ae0e testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79bd8cf2b861ce6760036c8f8f0c74c06bb042feb58163c57d6cd59f33d3aaa8 run #0: crashed: KASAN: use-after-free Read in sysv_new_inode run #1: crashed: KASAN: use-after-free Read in sysv_new_inode run #2: crashed: KASAN: use-after-free Read in sysv_new_inode run #3: crashed: KASAN: use-after-free Read in sysv_new_inode run #4: crashed: KASAN: use-after-free Read in sysv_new_inode run #5: crashed: KASAN: use-after-free Read in sysv_new_inode run #6: crashed: KASAN: use-after-free Read in sysv_new_block run #7: crashed: KASAN: use-after-free Read in sysv_new_inode run #8: crashed: KASAN: use-after-free Read in sysv_new_inode run #9: crashed: KASAN: use-after-free Read in sysv_new_inode representative crash: KASAN: use-after-free Read in sysv_new_inode, types: [KASAN-USE-AFTER-FREE-READ] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h19m9.02807587s (build: 1h39m32.987277782s, test: 36m20.694584242s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.196 crash: KASAN: use-after-free Read in sysv_new_inode attempt to access beyond end of device loop3: rw=0, want=6491538, limit=128 Buffer I/O error on dev loop3, logical block 3245768, async page read ================================================================== BUG: KASAN: use-after-free in sysv_new_inode+0xd21/0x1250 fs/sysv/ialloc.c:153 Read of size 2 at addr ffff8880640701ce by task syz.3.16/3076 CPU: 1 PID: 3076 Comm: syz.3.16 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 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 sysv_new_inode+0xd21/0x1250 fs/sysv/ialloc.c:153 sysv_symlink+0x7b/0x130 fs/sysv/namei.c:80 vfs_symlink fs/namei.c:4437 [inline] vfs_symlink+0xd7/0x250 fs/namei.c:4422 do_symlinkat+0x1e9/0x250 fs/namei.c:4466 __do_sys_symlink fs/namei.c:4488 [inline] __se_sys_symlink fs/namei.c:4486 [inline] __x64_sys_symlink+0x70/0x90 fs/namei.c:4486 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f9a4b343da9 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:00007f9a4adb6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f9a4b55cfa0 RCX: 00007f9a4b343da9 RDX: 0000000000000000 RSI: 000000002000acc0 RDI: 000000002000ad80 RBP: 00007f9a4b3c52a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9a4b55cfa0 R15: 00007fff6e7a6c78 The buggy address belongs to the page: page:ffffea0001901c00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x64070 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 ffffea0001901c48 ffffea0001901bc8 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 0, migratetype Movable, gfp_mask 0x8(__GFP_MOVABLE), pid 1, ts 4102496441, free_ts 4642567896 split_map_pages+0x1b2/0x470 mm/compaction.c:99 isolate_freepages_range+0x251/0x2d0 mm/compaction.c:749 alloc_contig_range+0x505/0x690 mm/page_alloc.c:9280 __alloc_contig_pages mm/page_alloc.c:9304 [inline] alloc_contig_pages+0x338/0x470 mm/page_alloc.c:9384 debug_vm_pgtable_alloc_huge_page mm/debug_vm_pgtable.c:1090 [inline] init_args mm/debug_vm_pgtable.c:1212 [inline] debug_vm_pgtable+0x6f2/0x17f5 mm/debug_vm_pgtable.c:1250 do_one_initcall+0xb4/0x320 init/main.c:1316 do_initcall_level init/main.c:1389 [inline] do_initcalls init/main.c:1405 [inline] do_basic_setup init/main.c:1424 [inline] kernel_init_freeable+0x51e/0x580 init/main.c:1629 kernel_init+0x14/0x120 init/main.c:1520 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 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 free_contig_range+0x8b/0xb0 mm/page_alloc.c:9406 destroy_args+0x7e/0x5d1 mm/debug_vm_pgtable.c:1018 debug_vm_pgtable+0x1773/0x17f5 mm/debug_vm_pgtable.c:1336 do_one_initcall+0xb4/0x320 init/main.c:1316 do_initcall_level init/main.c:1389 [inline] do_initcalls init/main.c:1405 [inline] do_basic_setup init/main.c:1424 [inline] kernel_init_freeable+0x51e/0x580 init/main.c:1629 kernel_init+0x14/0x120 init/main.c:1520 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Memory state around the buggy address: ffff888064070080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888064070100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff888064070180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888064070200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888064070280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================