ci2 starts bisection 2026-01-01 03:22:52.419702892 +0000 UTC m=+3073984.596825949 bisecting fixing commit since f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe building syzkaller on 64219f1537429ca826770c4d6f3d49ee6964d16c ensuring issue is reproducible on original commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d3916b55819ae5ac7d903511dfe9d4267d8a5c4c2515c7762e62e6de6fd2884f run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #10: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #11: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #12: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #13: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #14: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #15: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #16: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #17: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #18: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #19: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] 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 f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b07ce499b8282a778caf85e33391b1e583b584ed97dba7b5006edaa927a10391 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 4 kconfig minimization: base=3829 full=7619 leaves diff=2131 split chunks (needed=false): <2131> split chunk #0 of len 2131 into 5 parts testing without sub-chunk 1/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3dded813e30745775e96730c82573f3b85060b9a182a796c9f7d987c734dd9df run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] the chunk can be dropped testing without sub-chunk 2/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 05978976a70bbb309a5f7b46796f018f3cfe1b68e960aca3bce9d6c8ac252ef6 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #2: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] the chunk can be dropped testing without sub-chunk 3/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bba86706a025e69362aaaf61f04e65b60f76f61d80c2d1d6c3364689eb270940 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] the chunk can be dropped testing without sub-chunk 4/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0d8461be445c749d2fd1c18995c6a4d02e22684e8dbaee90db2ee67ee64bdf32 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 testing without sub-chunk 5/5 testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0c537e4cbf2d7799cb625548a64d703244e826989701c6ecc7b8fb9c59b33865 all runs: OK false negative chance: 0.000 minimized to 850 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BXT_WC_PMIC_OPREGION CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON FB GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_NINTENDO 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 KVM KVM_INTEL L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 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_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_CONNTRACK_SNMP NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 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_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE 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 PLFXLC PMIC_OPREGION PM_CLK 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_NOTIFIERS 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_SI470X RADIO_SI4713 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 SENSORS_NZXT_SMART2 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 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_FAST_LOOKUP SND_CTL_LED 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_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 STAGING_MEDIA STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB 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_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 TOOLS_SUPPORT_RELR 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 TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 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 UCSI_STM32G0 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_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_MSM USB_CHIPIDEA_PCI 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_CONN_GPIO 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_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL 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 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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_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 USERFAULTFD USERIO USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER 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 VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 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_TUNER VIDEO_TVEEPROM VIDEO_USBTV 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 WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_X2APIC 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 ZLIB_DEFLATE 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] testing current HEAD 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e07a2d5ec2aecb2135cc00b4933044cb6ea2ea288c06b439a67c677303affed1 all runs: OK false negative chance: 0.000 # git bisect start 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe Bisecting: 283 revisions left to test after this (roughly 8 steps) [94a649487ee7249cdbf153b933285da2ca537377] clk: at91: clk-master: Add check for divide by 3 determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit 94a649487ee7249cdbf153b933285da2ca537377 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3fdb10c78d18966e0876fe889a6c4aa38d7745b3c9461f0e924e786461e87ec5 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #2: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] # git bisect good 94a649487ee7249cdbf153b933285da2ca537377 Bisecting: 141 revisions left to test after this (roughly 7 steps) [44a4833917370f110ece142642ae0f27a7ba1250] net/mlx5e: Preserve shared buffer capacity during headroom updates determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit 44a4833917370f110ece142642ae0f27a7ba1250 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bc5f4c720e856f18f4e4d6fc19c8f237d86461952b38a7020d09156f54f12cf3 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 44a4833917370f110ece142642ae0f27a7ba1250 Bisecting: 70 revisions left to test after this (roughly 6 steps) [d0d858652834dcf531342c82a0428170aa7c2675] sctp: prevent possible shift-out-of-bounds in sctp_transport_update_rto determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit d0d858652834dcf531342c82a0428170aa7c2675 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0b1e1644723db5773a2ccab41b7320a2d449b67f9d9290ff4eb99120e69ace41 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] # git bisect good d0d858652834dcf531342c82a0428170aa7c2675 Bisecting: 35 revisions left to test after this (roughly 5 steps) [c3ee48468bb4b0dac913047a2263e920713105cf] lib/crypto: arm/curve25519: Disable on CPU_BIG_ENDIAN determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit c3ee48468bb4b0dac913047a2263e920713105cf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 6476f82e3aefae40ddd397fdf358b793c24ef3a9d066d640a7289b1c33e72614 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] # git bisect good c3ee48468bb4b0dac913047a2263e920713105cf Bisecting: 17 revisions left to test after this (roughly 4 steps) [c4ab11f256a29a43b2eaaaf9dbed8819da4a0abd] LoongArch: Use physical addresses for CSR_MERRENTRY/CSR_TLBRENTRY determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit c4ab11f256a29a43b2eaaaf9dbed8819da4a0abd gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 4e797a026329cfa784fb8377b88732d8ceb959a6a615ecbd29658815c5ca03ff run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad c4ab11f256a29a43b2eaaaf9dbed8819da4a0abd Bisecting: 8 revisions left to test after this (roughly 3 steps) [c07da554d07a392ab4b9ee3dd56065c3eff8c172] dma-mapping: benchmark: Restore padding to ensure uABI remained consistent determine whether the revision contains the guilty commit revision d0d858652834dcf531342c82a0428170aa7c2675 crashed and is reachable testing commit c07da554d07a392ab4b9ee3dd56065c3eff8c172 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 717ae3762ecaffc89c67a46b41a8a7659ca8e5f4e64d5cbbd2fe146b981c9563 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] # git bisect good c07da554d07a392ab4b9ee3dd56065c3eff8c172 Bisecting: 4 revisions left to test after this (roughly 2 steps) [6f2482745e510ae1dacc9b090194b9c5f918d774] fs/proc: fix uaf in proc_readdir_de() determine whether the revision contains the guilty commit revision 94a649487ee7249cdbf153b933285da2ca537377 crashed and is reachable testing commit 6f2482745e510ae1dacc9b090194b9c5f918d774 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8ec0ee890842ef6e9647cefc82cef8dd0a10b522e93150bf0f18bf53c3bc6817 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #5: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #6: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #7: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #8: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb run #9: crashed: KASAN: slab-out-of-bounds Write in copy_to_urb representative crash: KASAN: slab-out-of-bounds Write in copy_to_urb, types: [KASAN-WRITE] # git bisect good 6f2482745e510ae1dacc9b090194b9c5f918d774 Bisecting: 2 revisions left to test after this (roughly 1 step) [ef592bf2232a2daa9fffa8881881fc9957ea56e9] ALSA: usb-audio: Fix potential overflow of PCM transfer buffer determine whether the revision contains the guilty commit revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable testing commit ef592bf2232a2daa9fffa8881881fc9957ea56e9 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e3933773ef2d802cb82d46def552136ef6d4122f17c0159dc8ddf483d88efc54 all runs: crashed: possible deadlock in snd_usb_endpoint_close representative crash: possible deadlock in snd_usb_endpoint_close, types: [LOCKDEP] # git bisect good ef592bf2232a2daa9fffa8881881fc9957ea56e9 Bisecting: 0 revisions left to test after this (roughly 1 step) [88d91d962a52e98bf8d0139f6c8e24f4bc61ed36] spi: Try to get ACPI GPIO IRQ earlier determine whether the revision contains the guilty commit revision 6f2482745e510ae1dacc9b090194b9c5f918d774 crashed and is reachable testing commit 88d91d962a52e98bf8d0139f6c8e24f4bc61ed36 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 85a088c0d38d80f4cd256c83d42e3a92b09b687bc8063696ff35cfb7e24c9e15 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 88d91d962a52e98bf8d0139f6c8e24f4bc61ed36 Bisecting: 0 revisions left to test after this (roughly 0 steps) [2d5ce84a81a7bb6e7ce244fb9c413a8a5bdd39aa] ALSA: usb-audio: Fix missing unlock at error path of maxpacksize check determine whether the revision contains the guilty commit revision c07da554d07a392ab4b9ee3dd56065c3eff8c172 crashed and is reachable testing commit 2d5ce84a81a7bb6e7ce244fb9c413a8a5bdd39aa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 59ac161e53ed2431f5a97269eef5baa940905c768191c1e262fd316aa882b6c7 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc 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 false negative chance: 0.000 # git bisect bad 2d5ce84a81a7bb6e7ce244fb9c413a8a5bdd39aa 2d5ce84a81a7bb6e7ce244fb9c413a8a5bdd39aa is the first bad commit commit 2d5ce84a81a7bb6e7ce244fb9c413a8a5bdd39aa Author: Takashi Iwai Date: Wed Nov 26 11:08:31 2025 +0100 ALSA: usb-audio: Fix missing unlock at error path of maxpacksize check commit fdf0dc82eb60091772ecea73cbc5a8fb7562fc45 upstream. The recent backport of the upstream commit 05a1fc5efdd8 ("ALSA: usb-audio: Fix potential overflow of PCM transfer buffer") on the older stable kernels like 6.12.y was broken since it doesn't consider the mutex unlock, where the upstream code manages with guard(). In the older code, we still need an explicit unlock. This is a fix that corrects the error path, applied only on old stable trees. Reported-by: Pavel Machek Closes: https://lore.kernel.org/aSWtH0AZH5+aeb+a@duo.ucw.cz Fixes: 98e9d5e33bda ("ALSA: usb-audio: Fix potential overflow of PCM transfer buffer") Reviewed-by: Pavel Machek Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman sound/usb/endpoint.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: 59ac161e53ed2431f5a97269eef5baa940905c768191c1e262fd316aa882b6c7 parent signature: e3933773ef2d802cb82d46def552136ef6d4122f17c0159dc8ddf483d88efc54 revisions tested: 18, total time: 4h16m31.616099091s (build: 1h38m39.835011174s, test: 2h30m6.310895821s) first good commit: 2d5ce84a81a7bb6e7ce244fb9c413a8a5bdd39aa ALSA: usb-audio: Fix missing unlock at error path of maxpacksize check recipients (to): ["gregkh@linuxfoundation.org" "pavel@denx.de" "sashal@kernel.org" "tiwai@suse.de"] recipients (cc): []