ci2 starts bisection 2025-07-03 12:00:16.144635401 +0000 UTC m=+29810.607377364 bisecting fixing commit since 0c935c049b5c196b83b968c72d348ae6fff83ea2 building syzkaller on e28266709dd2a1d1452d4a5bbf271700e10335c6 ensuring issue is reproducible on original commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3fee70781df1fb053d6ce69ffd59c520ba8a77f8ca35d5ac82ca475d92cb4b87 run #0: crashed: KASAN: use-after-free Read in steam_input_open run #1: crashed: KASAN: use-after-free Read in steam_input_open run #2: crashed: KASAN: use-after-free Read in steam_input_open run #3: crashed: KASAN: use-after-free Read in steam_input_open run #4: crashed: KASAN: use-after-free Read in steam_input_open run #5: crashed: KASAN: use-after-free Read in steam_input_open run #6: crashed: KASAN: use-after-free Read in steam_input_close run #7: crashed: KASAN: use-after-free Read in steam_input_open run #8: crashed: KASAN: use-after-free Read in steam_input_open run #9: crashed: KASAN: use-after-free Read in steam_input_open run #10: crashed: KASAN: use-after-free Read in steam_input_open run #11: crashed: KASAN: use-after-free Read in steam_input_open run #12: crashed: KASAN: use-after-free Read in steam_input_open run #13: crashed: KASAN: use-after-free Read in steam_input_open run #14: crashed: KASAN: use-after-free Read in steam_input_close run #15: crashed: KASAN: use-after-free Read in steam_input_open run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: use-after-free Read in steam_input_open, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1eafeea5c57c9517c2940cc8392d257602c4917d8b034b81932ca05ab7dc40a run #0: crashed: KASAN: use-after-free Read in steam_input_open run #1: crashed: KASAN: use-after-free Read in steam_input_open run #2: crashed: KASAN: use-after-free Read in steam_input_open run #3: crashed: KASAN: use-after-free Read in steam_input_open run #4: crashed: KASAN: use-after-free Read in steam_input_close run #5: crashed: KASAN: use-after-free Read in steam_input_open run #6: OK run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in steam_input_open, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed kconfig minimization: base=3707 full=7306 leaves diff=2041 split chunks (needed=false): <2041> split chunk #0 of len 2041 into 5 parts testing without sub-chunk 1/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning locking], they are not needed testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8c4f7b1c1f8e4a67800dac26cb67dcf9fb751fa9d1a0642bb586eaed8bac8239 run #0: crashed: KASAN: use-after-free Read in steam_input_open run #1: crashed: KASAN: use-after-free Read in steam_input_open run #2: crashed: KASAN: use-after-free Read in steam_input_open run #3: crashed: KASAN: use-after-free Read in steam_input_open run #4: crashed: KASAN: use-after-free Read in steam_input_open run #5: crashed: KASAN: use-after-free Read in steam_input_open run #6: crashed: KASAN: use-after-free Read in steam_input_open run #7: crashed: KASAN: use-after-free Read in steam_input_open run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in steam_input_open, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e730cab109913bb864f0b4d291a7e81268b6590cde2fb40143f5c57efe079f05 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3061c189bf5a6f1e2628b8aa3e0b74077532f035a3717d36d18bbfa5296dc086 run #0: crashed: KASAN: use-after-free Read in steam_input_open run #1: crashed: KASAN: use-after-free Read in steam_input_open run #2: crashed: KASAN: use-after-free Read in steam_input_open 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 steam_input_open, types: [KASAN] testing without sub-chunk 4/5 disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d649e42864c90e4d0ce373f0bb8ed3cd34ad3b417107b504615071f5c680ee4b run #0: crashed: KASAN: use-after-free Read in steam_input_open run #1: crashed: KASAN: use-after-free Read in steam_input_open run #2: crashed: KASAN: use-after-free Read in steam_input_open run #3: crashed: KASAN: use-after-free Read in steam_input_open run #4: crashed: KASAN: use-after-free Read in steam_input_open run #5: crashed: KASAN: use-after-free Read in steam_input_open run #6: crashed: KASAN: use-after-free Read in steam_input_open run #7: crashed: KASAN: use-after-free Read in steam_input_open run #8: crashed: KASAN: use-after-free Read in steam_input_open run #9: crashed: KASAN: use-after-free Read in steam_input_open run #10: crashed: KASAN: use-after-free Read in steam_input_open run #11: crashed: KASAN: use-after-free Read in steam_input_open run #12: crashed: KASAN: use-after-free Read in steam_input_open run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: use-after-free Read in steam_input_open, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed testing commit 0c935c049b5c196b83b968c72d348ae6fff83ea2 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e345514d6adbae9ab501ad73b8d0f86240019354f86d7983641b1da689e421d all runs: OK false negative chance: 0.000 minimized to 1223 configs; suspects: [6LOWPAN ACPI_WMI ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BRIDGE BRIDGE_NETFILTER CAN CARDBUS CFG80211 CFG80211_WEXT CHARGER_BQ24190 CHECKPOINT_RESTORE CMA CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DAX_DRIVER DLM DRM DRM_FBDEV_EMULATION DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VMWGFX DRM_VMWGFX_FBCON DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_CXUSB_ANALOG DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_USBC_TUSB320 F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_BOOT_VESA_SUPPORT FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CMDLINE FB_DEFERRED_IO FB_NOTIFY FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FRONTSWAP FSCACHE FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GVE HAMRADIO HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_EVENTFD HAVE_KVM_IRQCHIP HAVE_KVM_IRQFD HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PM_NOTIFIER HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2221 HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SPEEDLINK HID_STEAM HID_STEELSERIES HID_THINGM HID_TIVO HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZEROPLUS HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS HSR I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_JOYSTICK INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSE INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHT_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTERVAL_TREE IOMMU_SVA_LIB IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IRQ_REMAP IRQ_TIME_ACCOUNTING IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_IMON_RAW IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TOY IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_PXRC JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMPAT KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_INTEL KVM_MMIO KVM_VFIO KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LCD_CLASS_DEVICE LDM_PARTITION LD_IS_BFD LEDS_TRIGGER_AUDIO LEGACY_PTYS LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_DEBUGFS MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MAC802154 MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MDIO_MVUSB MD_LINEAR MD_MULTIPATH MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_CONTROLLER_REQUEST_API MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TEST_SUPPORT MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_TUNER_XC2028 MEDIA_TUNER_XC5000 MEDIA_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTPLUG_DEFAULT_ONLINE MEMORY_HOTPLUG_SPARSE MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_DLN2 MFD_SYSCON MFD_VIPERBOARD MHI_BUS MHI_WWAN_CTRL MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MMU_NOTIFIER MODULE_SRCVERSION_ALL MODVERSIONS MOST MOST_USB_HDM MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_BLK ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST 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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_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_FS 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 WAN WANT_DEV_COREDUMP WATCH_QUEUE WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WWAN X25 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 [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed determining the merge base between 0c935c049b5c196b83b968c72d348ae6fff83ea2 and b4911fb0b060899e4eebca0151eb56deb86921ec 8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 749c13b9b121047c692cfa7cd41e9b83e33d1acf0d9d4560eaa571586d09f7ad run #0: crashed: KASAN: use-after-free Read in steam_input_open run #1: crashed: KASAN: use-after-free Read in steam_input_close run #2: crashed: KASAN: use-after-free Read in steam_input_open run #3: crashed: KASAN: use-after-free Read in steam_input_open run #4: crashed: KASAN: use-after-free Read in steam_input_close run #5: crashed: KASAN: use-after-free Read in steam_input_open run #6: crashed: KASAN: use-after-free Read in steam_input_close run #7: crashed: KASAN: use-after-free Read in steam_input_open run #8: crashed: KASAN: use-after-free Read in steam_input_close run #9: crashed: KASAN: use-after-free Read in steam_input_close run #10: crashed: KASAN: use-after-free Read in steam_input_open run #11: crashed: KASAN: use-after-free Read in input_dev_uevent run #12: crashed: KASAN: use-after-free Read in steam_input_open run #13: crashed: KASAN: use-after-free Read in steam_input_open run #14: crashed: KASAN: use-after-free Read in steam_input_open run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: use-after-free Read in steam_input_open, types: [KASAN] testing current HEAD b4911fb0b060899e4eebca0151eb56deb86921ec testing commit b4911fb0b060899e4eebca0151eb56deb86921ec gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 3951f5d58b4df18eefb508578efdb427259aefbd6160db2ac15c4d4961812441 all runs: OK false negative chance: 0.000 # git bisect start b4911fb0b060899e4eebca0151eb56deb86921ec 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 161833 revisions left to test after this (roughly 17 steps) [b96a3e9142fdf346b05b20e867b4f0dfca119e96] Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit b96a3e9142fdf346b05b20e867b4f0dfca119e96 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 1a69d1d414666bec5e5f4e0196da631ee48cde0999de4dc884951e3fc49959c3 run #0: crashed: KASAN: slab-use-after-free Read in steam_input_open run #1: crashed: KASAN: slab-use-after-free Read in steam_input_close run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_close run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_open run #7: crashed: KASAN: slab-use-after-free Read in steam_input_close run #8: crashed: KASAN: slab-use-after-free Read in steam_input_open run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_open, types: [KASAN] # git bisect good b96a3e9142fdf346b05b20e867b4f0dfca119e96 Bisecting: 81265 revisions left to test after this (roughly 16 steps) [280e36f0d5b997173d014c07484c03a7f7750668] nsfs: use cleanup guard determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 280e36f0d5b997173d014c07484c03a7f7750668 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 3e8dccd9cc73be3c2233b58b511d6c05036e8ed4551e9fc2aad4cb5cb2c0d86a all runs: OK false negative chance: 0.000 # git bisect bad 280e36f0d5b997173d014c07484c03a7f7750668 Bisecting: 40293 revisions left to test after this (roughly 15 steps) [296455ade1fdcf5f8f8c033201633b60946c589a] Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 296455ade1fdcf5f8f8c033201633b60946c589a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 6091c9a3be13169ba5be6678068cad1dbdda984940cb86d6d4fc4eae5898b6e7 all runs: OK false negative chance: 0.000 # git bisect bad 296455ade1fdcf5f8f8c033201633b60946c589a Bisecting: 20342 revisions left to test after this (roughly 14 steps) [deefd5024f0772cf56052ace9a8c347dc70bcaf3] Merge tag 'vfio-v6.7-rc1' of https://github.com/awilliam/linux-vfio determine whether the revision contains the guilty commit revision b96a3e9142fdf346b05b20e867b4f0dfca119e96 crashed and is reachable testing commit deefd5024f0772cf56052ace9a8c347dc70bcaf3 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 083d3cb87adc85c1b7fd479752a410694529cabe2054a00b02312753fc135bcc run #0: crashed: KASAN: slab-use-after-free Read in steam_input_open run #1: crashed: KASAN: slab-use-after-free Read in steam_input_close run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_close run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_open run #7: crashed: KASAN: slab-use-after-free Read in steam_input_open run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_open, types: [KASAN] # git bisect good deefd5024f0772cf56052ace9a8c347dc70bcaf3 Bisecting: 10129 revisions left to test after this (roughly 13 steps) [fb46e22a9e3863e08aef8815df9f17d0f4b9aede] Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision deefd5024f0772cf56052ace9a8c347dc70bcaf3 crashed and is reachable testing commit fb46e22a9e3863e08aef8815df9f17d0f4b9aede gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: b0252cc961f621e000e89080a4228449a1e16e22c08f9dae19c6e537a26fe9f2 run #0: crashed: KASAN: slab-use-after-free Read in steam_input_open run #1: crashed: KASAN: slab-use-after-free Read in steam_input_open run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_open run #4: crashed: KASAN: slab-use-after-free Read in steam_input_close run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_open run #7: crashed: KASAN: slab-use-after-free Read in steam_input_open run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_open, types: [KASAN] # git bisect good fb46e22a9e3863e08aef8815df9f17d0f4b9aede Bisecting: 5008 revisions left to test after this (roughly 12 steps) [22d29f1112c85c1ad519a8c0403f7f7289cf060c] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 22d29f1112c85c1ad519a8c0403f7f7289cf060c gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 63811461edf7e8f217abb693a5b12346bf32c2e06f180229c6fd34f960487e1e run #0: crashed: KASAN: slab-use-after-free Read in steam_input_open run #1: crashed: KASAN: slab-use-after-free Read in steam_input_close run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_close run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_close run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_open, types: [KASAN] # git bisect good 22d29f1112c85c1ad519a8c0403f7f7289cf060c Bisecting: 2456 revisions left to test after this (roughly 11 steps) [cf65598d5909acf5e7b7dc9e21786e386356bc81] Merge tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit cf65598d5909acf5e7b7dc9e21786e386356bc81 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 977f266e158750cb511ed186bf7923cafa4c14b4df8d8deb1ca4f2f602e9cde9 run #0: crashed: KASAN: slab-use-after-free Read in steam_input_close run #1: crashed: KASAN: slab-use-after-free Read in steam_input_close run #2: crashed: KASAN: slab-use-after-free Read in steam_input_close run #3: crashed: KASAN: slab-use-after-free Read in steam_input_open run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_open run #7: crashed: KASAN: slab-use-after-free Read in steam_input_open run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_close, types: [KASAN] # git bisect good cf65598d5909acf5e7b7dc9e21786e386356bc81 Bisecting: 1229 revisions left to test after this (roughly 10 steps) [42bff4d0f9b9c8b669c5cef25c5116f41eb45c6b] Merge tag 'pwm/for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm determine whether the revision contains the guilty commit revision b96a3e9142fdf346b05b20e867b4f0dfca119e96 crashed and is reachable testing commit 42bff4d0f9b9c8b669c5cef25c5116f41eb45c6b gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 1fbd017591e21eef33c0e57d9f9706c1999808c09d8e64dbd9e0bab6b6a228f6 all runs: OK false negative chance: 0.000 # git bisect bad 42bff4d0f9b9c8b669c5cef25c5116f41eb45c6b Bisecting: 594 revisions left to test after this (roughly 9 steps) [c736c9a9553f9cfcb1b03e65f91bc29fc6446fd3] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux determine whether the revision contains the guilty commit revision b96a3e9142fdf346b05b20e867b4f0dfca119e96 crashed and is reachable testing commit c736c9a9553f9cfcb1b03e65f91bc29fc6446fd3 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: b64aa369f962855a7379ac10d858a364a0d429dbb8e9cb8937024b8d562afc31 run #0: crashed: KASAN: slab-use-after-free Read in steam_input_open run #1: crashed: KASAN: slab-use-after-free Read in steam_input_close run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_open run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_open, types: [KASAN] # git bisect good c736c9a9553f9cfcb1b03e65f91bc29fc6446fd3 Bisecting: 297 revisions left to test after this (roughly 8 steps) [ff3f4490625bac7c42f5a09a72d9ff5cf4e64fa5] media: s5p-mfc: Add support for DMABUF for encoder determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit ff3f4490625bac7c42f5a09a72d9ff5cf4e64fa5 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 35237c1951cb06a92e3c6c576d578d369a184f0a9c5ebf436bf749f25914e35b run #0: crashed: KASAN: slab-use-after-free Read in steam_input_open run #1: crashed: KASAN: slab-use-after-free Read in steam_input_open run #2: crashed: KASAN: slab-use-after-free Read in steam_input_close run #3: crashed: KASAN: slab-use-after-free Read in steam_input_open run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_open run #7: crashed: KASAN: slab-use-after-free Read in steam_input_close run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_open, types: [KASAN] # git bisect good ff3f4490625bac7c42f5a09a72d9ff5cf4e64fa5 Bisecting: 154 revisions left to test after this (roughly 7 steps) [a3cc31e75185f9b1ad8dc45eac77f8de788dc410] Merge tag 'libnvdimm-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit a3cc31e75185f9b1ad8dc45eac77f8de788dc410 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 889255552b96e514fa96dbc732f3877aca08eccd8a73573787cee5c4fb31a8d5 run #0: crashed: KASAN: slab-use-after-free Read in steam_input_close run #1: crashed: KASAN: slab-use-after-free Read in steam_input_open run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_close run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_close run #7: crashed: KASAN: slab-use-after-free Read in steam_input_open run #8: crashed: KASAN: slab-use-after-free Read in steam_input_close run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_close, types: [KASAN] # git bisect good a3cc31e75185f9b1ad8dc45eac77f8de788dc410 Bisecting: 89 revisions left to test after this (roughly 6 steps) [0b43615af19742e1f4f71d332e72381430804804] Merge branch 'for-6.8/wacom' into for-linus determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 0b43615af19742e1f4f71d332e72381430804804 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: b448fa265cfcb5711d10b2dfbd97c973e8558ddbe8005c5fd5c3bd5631a107e5 all runs: OK false negative chance: 0.000 # git bisect bad 0b43615af19742e1f4f71d332e72381430804804 Bisecting: 32 revisions left to test after this (roughly 5 steps) [e9d29f4f6f5cdc166d264238969929f7322bab7e] Merge branch 'for-6.8/mcp2221' into for-linus determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit e9d29f4f6f5cdc166d264238969929f7322bab7e gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: f6f6b5729b7c36a21d8b170ab081f671720b2294e5d5c8a715f5e6f298ca467e run #0: crashed: KASAN: slab-use-after-free Read in steam_input_open run #1: crashed: KASAN: slab-use-after-free Read in steam_input_open run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_open run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_close run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_open, types: [KASAN] # git bisect good e9d29f4f6f5cdc166d264238969929f7322bab7e Bisecting: 16 revisions left to test after this (roughly 4 steps) [da2c1b861065b452590d75a1e2f5ee9b396fef92] selftests/hid: fix failing tablet button tests determine whether the revision contains the guilty commit revision b96a3e9142fdf346b05b20e867b4f0dfca119e96 crashed and is reachable testing commit da2c1b861065b452590d75a1e2f5ee9b396fef92 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 624b07f383d2c1115208a435776c0d3f9936bc1b3b8a7329ed389fc1d7580e39 run #0: crashed: KASAN: slab-use-after-free Read in steam_input_close run #1: crashed: KASAN: slab-use-after-free Read in steam_input_open run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_close run #4: crashed: KASAN: slab-use-after-free Read in steam_input_close run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_close, types: [KASAN] # git bisect good da2c1b861065b452590d75a1e2f5ee9b396fef92 Bisecting: 9 revisions left to test after this (roughly 3 steps) [cd438e57dd05b077f4e87c1567beafb2377b6d6b] HID: hid-steam: Add gamepad-only mode switched to by holding options determine whether the revision contains the guilty commit revision b96a3e9142fdf346b05b20e867b4f0dfca119e96 crashed and is reachable testing commit cd438e57dd05b077f4e87c1567beafb2377b6d6b gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 108f89cd2ac36ae1c7cc40ac8fdcd4d4c1a15980355c867cdb6b024aadb86166 all runs: OK false negative chance: 0.001 # git bisect bad cd438e57dd05b077f4e87c1567beafb2377b6d6b Bisecting: 3 revisions left to test after this (roughly 2 steps) [691ead124a0c35e56633dbb73e43711ff3db23ef] HID: hid-steam: Clean up locking determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 691ead124a0c35e56633dbb73e43711ff3db23ef gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: abaa4ea55bb44253b7e8a369c6411abff0979a1c1894f023b93a6d022506b063 all runs: OK false negative chance: 0.001 # git bisect bad 691ead124a0c35e56633dbb73e43711ff3db23ef Bisecting: 0 revisions left to test after this (roughly 1 step) [917972636e8271c5691710ce5dcd66c2d3bd04f2] HID: hid-steam: Disable watchdog instead of using a heartbeat determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 917972636e8271c5691710ce5dcd66c2d3bd04f2 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 88d021322ba0c3cc7e353dc568691d1e8f86b86dd8d1fb290a5497dd5a6f398e run #0: crashed: KASAN: slab-use-after-free Read in steam_input_close run #1: crashed: KASAN: slab-use-after-free Read in steam_input_open run #2: crashed: KASAN: slab-use-after-free Read in steam_input_open run #3: crashed: KASAN: slab-use-after-free Read in steam_input_open run #4: crashed: KASAN: slab-use-after-free Read in steam_input_open run #5: crashed: KASAN: slab-use-after-free Read in steam_input_open run #6: crashed: KASAN: slab-use-after-free Read in steam_input_open run #7: crashed: KASAN: slab-use-after-free Read in steam_input_open run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: slab-use-after-free Read in steam_input_close, types: [KASAN] # git bisect good 917972636e8271c5691710ce5dcd66c2d3bd04f2 691ead124a0c35e56633dbb73e43711ff3db23ef is the first bad commit commit 691ead124a0c35e56633dbb73e43711ff3db23ef Author: Vicki Pfau Date: Tue Dec 19 19:38:33 2023 -0800 HID: hid-steam: Clean up locking This cleans up the locking logic so that the spinlock is consistently used for access to a small handful of struct variables, and the mutex is exclusively and consistently used for ensuring that mutliple threads aren't trying to send/receive reports at the same time. Previously, only some report transactions were guarded by this mutex, potentially breaking atomicity. The mutex has been renamed to reflect this usage. Signed-off-by: Vicki Pfau Signed-off-by: Jiri Kosina drivers/hid/hid-steam.c | 122 +++++++++++++++++++++++++++--------------------- 1 file changed, 69 insertions(+), 53 deletions(-) accumulated error probability: 0.00 culprit signature: abaa4ea55bb44253b7e8a369c6411abff0979a1c1894f023b93a6d022506b063 parent signature: 88d021322ba0c3cc7e353dc568691d1e8f86b86dd8d1fb290a5497dd5a6f398e reproducer is flaky (0.28 repro chance estimate) revisions tested: 26, total time: 9h53m15.245883422s (build: 4h20m10.378663304s, test: 5h19m5.400086607s) first good commit: 691ead124a0c35e56633dbb73e43711ff3db23ef HID: hid-steam: Clean up locking recipients (to): ["jkosina@suse.com" "vi@endrift.com"] recipients (cc): []