ci2 starts bisection 2024-04-26 01:40:04.187908135 +0000 UTC m=+121634.963552700
bisecting fixing commit since 9d6bde853685609a631871d7c12be94fdf8d912e
building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec
ensuring issue is reproducible on original commit 9d6bde853685609a631871d7c12be94fdf8d912e
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5b7c29f9245ec6af4618ffe284e1583cefe17936b2be96af53617becacce1386
all runs: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3df7c2302ffb62ea996b3995bdcf6d009b6df1e65adc735c819103d0d120d909
all runs: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, 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=3703 full=7272 leaves diff=1986
split chunks (needed=false): <1986>
split chunk #0 of len 1986 into 5 parts
testing without sub-chunk 1/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f780c64a0c250ef301fc1368511b8b86d5959ca187b89e15d61f3014fa7d168c
all runs: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 69e768b183b56993f7a4d264b0ef6095cd6b8b823afd497a33044ef658038224
run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #2: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #3: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #4: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #5: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #6: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #7: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #8: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #9: OK
representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 171e93cc97a82619ddfe3b3376ac90625472d55ee764ee5b1f4d757219155a15
run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #2: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #3: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #4: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #5: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #6: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #7: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #8: OK
run #9: OK
representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b5a96f07e49853d60693f7aa8718374a68172a1daf3ccd8777f6cfcee7d08edb
run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #1: OK
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 Write in usb_anchor_suspend_wakeups, types: [KASAN]
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 9d6bde853685609a631871d7c12be94fdf8d912e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8f1e7692138307704812b9a64dfe6cefcfb3003e2de7c325fdb24fd53134f678
all runs: OK
false negative chance: 0.000
minimized to 792 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL 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_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 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_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTPLUG_SPARSE MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 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 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 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_SI470X RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES 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_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 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 SMC SMC_DIAG SMSC_PHY 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 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 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 TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI 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 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_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET 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_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 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_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 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_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_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 XFS_SUPPORT_V4 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_ZPOOL_DEFAULT_ZBUD]
disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd
testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 40efa8b5e6c36d3d2081c36a9755daf14545bbc06fab9433285fa27412f78da8
run #0: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #1: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #2: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #3: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #4: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #5: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #6: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #7: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #8: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #9: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #10: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #11: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #12: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #13: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #14: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #15: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #16: crashed: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups, 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: 1h55m0.424456344s (build: 29m25.681491244s, test: 1h22m17.920829009s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15.156
crash: KASAN: use-after-free Write in usb_anchor_suspend_wakeups
==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_inc include/linux/atomic/atomic-instrumented.h:181 [inline]
BUG: KASAN: use-after-free in usb_anchor_suspend_wakeups drivers/usb/core/urb.c:940 [inline]
BUG: KASAN: use-after-free in usb_anchor_suspend_wakeups+0x1a/0x30 drivers/usb/core/urb.c:937
Write of size 4 at addr ffff88807c091910 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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
check_region_inline mm/kasan/generic.c:183 [inline]
kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
atomic_inc include/linux/atomic/atomic-instrumented.h:181 [inline]
usb_anchor_suspend_wakeups drivers/usb/core/urb.c:940 [inline]
usb_anchor_suspend_wakeups+0x1a/0x30 drivers/usb/core/urb.c:937
__usb_hcd_giveback_urb+0x1d2/0x3f0 drivers/usb/core/hcd.c:1661
dummy_timer+0x104d/0x2d20 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x159/0x370 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers.part.0+0x430/0x780 kernel/time/timer.c:1767
__run_timers kernel/time/timer.c:1745 [inline]
run_timer_softirq+0x65/0xf0 kernel/time/timer.c:1780
__do_softirq+0x1ea/0x5c8 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xce/0x110 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:40 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:75 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline]
RIP: 0010:acpi_idle_do_entry+0x180/0x1f0 drivers/acpi/processor_idle.c:570
Code: 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 55 48 8b 45 00 a8 08 75 c9 66 90 0f 00 2d 02 71 99 00 fb f4 5d c3 48 89 ef 5d e9 64 f5 ff ff e8 3f 78 0c fc e9 99 fe ff ff
RSP: 0018:ffffffff86e07d88 EFLAGS: 00000246
RAX: 0000000000004000 RBX: ffff888144389065 RCX: ffffffff85662d56
RDX: 1ffffffff0dca350 RSI: 0000000000000008 RDI: ffffffff86e51a80
RBP: ffffffff86e51a80 R08: 0000000000000000 R09: ffffffff86e51a87
R10: fffffbfff0dca350 R11: 0000000000000001 R12: 0000000000000001
R13: ffff888144389064 R14: ffff88800b1d6004 R15: ffffffff8740a320
acpi_idle_enter+0x299/0x460 drivers/acpi/processor_idle.c:705
cpuidle_enter_state+0x13d/0xa80 drivers/cpuidle/cpuidle.c:237
cpuidle_enter+0x45/0xa0 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:158 [inline]
cpuidle_idle_call kernel/sched/idle.c:239 [inline]
do_idle+0x381/0x500 kernel/sched/idle.c:306
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
start_kernel+0x2ec/0x30a init/main.c:1138
secondary_startup_64_no_verify+0xb0/0xbb
Allocated by task 3466:
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_kmalloc mm/kasan/common.c:513 [inline]
__kasan_kmalloc+0x7c/0x90 mm/kasan/common.c:522
kmalloc include/linux/slab.h:591 [inline]
kzalloc include/linux/slab.h:721 [inline]
usbtmc_open+0x98/0x920 drivers/usb/class/usbtmc.c:175
usb_open+0x1b1/0x240 drivers/usb/core/file.c:48
chrdev_open+0x20f/0x650 fs/char_dev.c:414
do_dentry_open+0x46a/0x10e0 fs/open.c:826
do_open fs/namei.c:3608 [inline]
path_openat+0x1542/0x2360 fs/namei.c:3742
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_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__x64_sys_openat+0x11b/0x1d0 fs/open.c:1280
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 3466:
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]
kfree+0xd0/0x4e0 mm/slub.c:4559
usbtmc_release+0x237/0x340 drivers/usb/class/usbtmc.c:261
__fput+0x1f0/0x9a0 fs/file_table.c:280
task_work_run+0xb8/0x140 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:181 [inline]
exit_to_user_mode_prepare+0x15d/0x160 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:307
do_syscall_64+0x40/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
The buggy address belongs to the object at ffff88807c091800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 272 bytes inside of
1024-byte region [ffff88807c091800, ffff88807c091c00)
The buggy address belongs to the page:
page:ffffea0001f02400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7c090
head:ffffea0001f02400 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff80000010200(slab|head|node=0|zone=1|lastcpupid=0xfff)
raw: 00fff80000010200 ffffea00005dd600 0000000400000004 ffff888009c41dc0
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 2268, ts 74774738562, free_ts 74594715086
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x12d1/0x2d40 mm/page_alloc.c:4159
__alloc_pages+0x1b2/0x440 mm/page_alloc.c:5423
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]
__kmalloc_node_track_caller+0x18e/0x490 mm/slub.c:4958
kmalloc_reserve net/core/skbuff.c:356 [inline]
__alloc_skb+0x8b/0x280 net/core/skbuff.c:427
alloc_skb include/linux/skbuff.h:1167 [inline]
nlmsg_new include/net/netlink.h:953 [inline]
inet6_rt_notify+0xd1/0x260 net/ipv6/route.c:6178
fib6_add_rt2node net/ipv6/ip6_fib.c:1251 [inline]
fib6_add+0x2559/0x4200 net/ipv6/ip6_fib.c:1480
__ip6_ins_rt net/ipv6/route.c:1302 [inline]
ip6_route_add+0x65/0xf0 net/ipv6/route.c:3869
addrconf_prefix_route.isra.0+0x16a/0x260 net/ipv6/addrconf.c:2446
inet6_addr_add+0x50b/0x940 net/ipv6/addrconf.c:3001
inet6_rtm_newaddr+0x512/0x1900 net/ipv6/addrconf.c:4953
rtnetlink_rcv_msg+0x398/0x900 net/core/rtnetlink.c:5629
netlink_rcv_skb+0x118/0x340 net/netlink/af_netlink.c:2505
netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
netlink_unicast+0x430/0x700 net/netlink/af_netlink.c:1356
netlink_sendmsg+0x770/0xc20 net/netlink/af_netlink.c:1924
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
getname_flags.part.0+0x4a/0x440 fs/namei.c:138
user_path_at_empty+0x1e/0x50 fs/namei.c:2882
user_path_at include/linux/namei.h:57 [inline]
vfs_statx+0xd6/0x2e0 fs/stat.c:221
vfs_fstatat fs/stat.c:243 [inline]
__do_sys_newfstatat+0x7d/0xd0 fs/stat.c:411
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
Memory state around the buggy address:
ffff88807c091800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88807c091880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807c091900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88807c091980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88807c091a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: 48 89 ea mov %rbp,%rdx
3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
a: fc ff df
d: 48 c1 ea 03 shr $0x3,%rdx
11: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
15: 75 55 jne 0x6c
17: 48 8b 45 00 mov 0x0(%rbp),%rax
1b: a8 08 test $0x8,%al
1d: 75 c9 jne 0xffffffe8
1f: 66 90 xchg %ax,%ax
21: 0f 00 2d 02 71 99 00 verw 0x997102(%rip) # 0x99712a
28: fb sti
29: f4 hlt
* 2a: fa cli <-- trapping instruction
2b: 5d pop %rbp
2c: c3 ret
2d: 48 89 ef mov %rbp,%rdi
30: 5d pop %rbp
31: e9 64 f5 ff ff jmp 0xfffff59a
36: e8 3f 78 0c fc call 0xfc0c787a
3b: e9 99 fe ff ff jmp 0xfffffed9