ci starts bisection 2025-09-02 07:55:00.795695562 +0000 UTC m=+286980.090202268
bisecting cause commit starting from b320789d6883cc00ac78ce83bccbfe7ed58afcf0
building syzkaller on 807a3b61ca22f8988561c180eb47268ea6e244db
ensuring issue is reproducible on original commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0

testing commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 88fac8d0140cafe8ebdcb21070c3fb4efa403df097a2cf6769ef23b7001d44cd
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #3: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #4: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #5: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #6: crashed: BUG: corrupted list in list_lru_add
run #7: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #8: crashed: BUG: corrupted list in list_lru_add
run #9: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #10: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #11: OK
run #12: OK
run #13: OK
run #14: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: crashed: KASAN: slab-use-after-free Read in list_lru_add
representative crash: KASAN: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
check whether we can drop unnecessary instrumentation
disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed
testing commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 744ee9f08b1316061537e757384412fff4826e986d68a84ddcad0879446a0167
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #3: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #4: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #5: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #6: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #7: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #8: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #9: OK
representative crash: KASAN: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
the bug reproduces without the instrumentation
disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed
kconfig minimization: base=4099 full=8509 leaves diff=2193
split chunks (needed=false): <2193>
split chunk #0 of len 2193 into 5 parts
testing without sub-chunk 1/5
disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed
testing commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1b9d7ca3281e51e9ec1df9c61c2a5fdb6455577c9747ab9ed9e5e65b6b2f0066
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #3: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #4: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #5: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #6: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #7: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #8: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #9: OK
representative crash: KASAN: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed
testing commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: eb5170c0fceab1c6e043e820162b5e66678b3b3f3535ad4b07fdab44a727b05b
all runs: OK
false negative chance: 0.000
testing without sub-chunk 3/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 679133e6b6c406810f17e23c4226156f74246a6614874ee60e44a14038a7b513
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #3: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #4: crashed: general protection fault in __gfs2_trans_begin
run #5: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #6: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #7: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #8: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #9: OK
representative crash: KASAN: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed
testing commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0848db7338afac4d7d6d77b1a39810fea02a9ca19e55a9df0b90fb687a7af096
all runs: crashed: KASAN: slab-use-after-free Read in list_lru_add
representative crash: KASAN: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed
testing commit b320789d6883cc00ac78ce83bccbfe7ed58afcf0 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0a353b548798abf0244da05b87f54aedeb5ee9842913b67e8eef9f4a2e4368bd
run #0: crashed: invalid opcode in corrupted
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #3: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #4: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #5: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #6: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #7: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #8: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #9: crashed: KASAN: slab-use-after-free Read in list_lru_add
representative crash: KASAN: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
the chunk can be dropped
minimized to 439 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI BLK_DEV_ZONED CHARGER_BQ24190 CMA COMMON_CLK DAX DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_CMA_LEGACY DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_SYSFB_HELPER DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX 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 EFS_FS ENCRYPTED_KEYS EPROBE_EVENTS 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_INTEL_CHT_WC EXTCON_PTN5150 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_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT 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 FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENDWARFKSYMS GENERIC_IRQ_ENTRY GENERIC_PHY GENERIC_SYSCALL GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIOLIB_LEGACY GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GROUP_SCHED_BANDWIDTH GTP GUEST_PERF_EVENTS HAS_LTO_CLANG HAVE_ARCH_KSTACK_ERASE HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM 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_DRAGONRISE HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF 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_PXRC HID_RAZER 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_SIGMAMICRO HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA 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_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_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST 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_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_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_SCTP IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR MAC802154 MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_VIPERBOARD MODVERSIONS MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE TRUSTED_KEYS TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE]
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 473ac4c7efd09150e65a559ee27ebfa0a67c2abc4da9ab8ced0a877791c79c3a
all runs: crashed: KASAN: slab-use-after-free Read in list_lru_add
representative crash: KASAN: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
testing release v6.15
testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dc31c103c5fbd89402457eb4e855b5b54ce1aaaadfe4daffb7ba339b97b97bd1
all runs: OK
false negative chance: 0.000
# git bisect start 038d61fd642278bab63ee8ef722c50d10ab01e8f 0ff41df1cb268fc69e703a08a57ee14ae967d0ca
Bisecting: 7873 revisions left to test after this (roughly 13 steps)
[43db1111073049220381944af4a3b8a5400eda71] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

testing commit 43db1111073049220381944af4a3b8a5400eda71 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: a5d41e168379c8bd00b971d268f7511b2057dc4d426383497bcd770ec9238042
all runs: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
representative crash: KASAN: null-ptr-deref Read in gfs2_drop_inode, types: [KASAN-NULL-POINTER-DEREFERENCE-READ]
# git bisect bad 43db1111073049220381944af4a3b8a5400eda71
Bisecting: 4089 revisions left to test after this (roughly 12 steps)
[a61e26038143727d9b0f1bc01b0370f77f2ad7e4] Merge tag 'media/v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

testing commit a61e26038143727d9b0f1bc01b0370f77f2ad7e4 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: b8284841c37b4510ae674789acc6413438c54fd7f45a581034ffe10843c67543
all runs: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
representative crash: KASAN: null-ptr-deref Read in gfs2_drop_inode, types: [KASAN-NULL-POINTER-DEREFERENCE-READ]
# git bisect bad a61e26038143727d9b0f1bc01b0370f77f2ad7e4
Bisecting: 1981 revisions left to test after this (roughly 11 steps)
[0c1494015fea0935fbf6cd9d99c008fcbe1e4165] Merge tag 'core-entry-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 0c1494015fea0935fbf6cd9d99c008fcbe1e4165 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: d06277ebf645b402475c023a1a05bb94289d60865ab8b82c66b929e699fab026
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #2: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #3: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #4: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #5: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #6: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #7: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #8: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
run #9: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
representative crash: KASAN: null-ptr-deref Read in gfs2_drop_inode, types: [KASAN-NULL-POINTER-DEREFERENCE-READ]
# git bisect bad 0c1494015fea0935fbf6cd9d99c008fcbe1e4165
Bisecting: 1061 revisions left to test after this (roughly 10 steps)
[15d90a5e5524532b7456a24f4626cf28c1629c4c] Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

testing commit 15d90a5e5524532b7456a24f4626cf28c1629c4c gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6b2fd1fa3d73be574f0077af758815af700881b0c918231b6c2f8e0f6a7ea2f5
all runs: crashed: KASAN: null-ptr-deref Read in gfs2_drop_inode
representative crash: KASAN: null-ptr-deref Read in gfs2_drop_inode, types: [KASAN-NULL-POINTER-DEREFERENCE-READ]
# git bisect bad 15d90a5e5524532b7456a24f4626cf28c1629c4c
Bisecting: 507 revisions left to test after this (roughly 9 steps)
[49fffac983ac52aea0ab94914be3f56bcf92d5dc] Merge tag 'for-6.16/io_uring-20250523' of git://git.kernel.dk/linux

testing commit 49fffac983ac52aea0ab94914be3f56bcf92d5dc gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6447e271e34569d13066519d96e5577f4a6c36189fa0b80c85ea9aac5678facc
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: ignore: lost connection to test machine
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: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
unable to determine the verdict: 8 good runs (wanted 5), for bad wanted 5 in total, got 9
# git bisect skip 49fffac983ac52aea0ab94914be3f56bcf92d5dc
Bisecting: 507 revisions left to test after this (roughly 9 steps)
[08c649a5637371cb6bf8f3e974323cf59a7f434b] btrfs: check we grabbed inode reference when allocating an ordered extent

testing commit 08c649a5637371cb6bf8f3e974323cf59a7f434b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 085c70a3da593bc1b30c61e3dece96b1bf44e1f02956744e81158553ab96b59b
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
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: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10
# git bisect skip 08c649a5637371cb6bf8f3e974323cf59a7f434b
Bisecting: 507 revisions left to test after this (roughly 9 steps)
[0f987c099d22c3b8c7d94fd13f957792e46f79c9] btrfs: tracepoints: use btrfs_root_id() to get the id of a root

testing commit 0f987c099d22c3b8c7d94fd13f957792e46f79c9 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e049a2e39e1d99d2a6184e3d90447e64668bbb0be28c72dc904b4cf63537729f
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
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: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10
# git bisect skip 0f987c099d22c3b8c7d94fd13f957792e46f79c9
Bisecting: 507 revisions left to test after this (roughly 9 steps)
[c16b984cdbaf3a96c671bc2952c1064af983683d] btrfs: update Kconfig option descriptions

testing commit c16b984cdbaf3a96c671bc2952c1064af983683d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 13bbb75af0950a9333fcd16589d8bbcd0bef6c9ab7931d3febbd4b2003a5d06d
all runs: OK
false negative chance: 0.000
# git bisect good c16b984cdbaf3a96c671bc2952c1064af983683d
Bisecting: 383 revisions left to test after this (roughly 9 steps)
[6f59de9bc0d576eb5a5edfea470527902315e924] Merge tag 'for-6.16/block-20250523' of git://git.kernel.dk/linux

testing commit 6f59de9bc0d576eb5a5edfea470527902315e924 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e342a8d35c7ef9f7ed01ee5822ba0c62f9ee7264eb28c3b8bef99ffb47f72780
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
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: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10
# git bisect skip 6f59de9bc0d576eb5a5edfea470527902315e924
Bisecting: 383 revisions left to test after this (roughly 9 steps)
[f8e111c859b92ee909f1676f90c791e7165d3860] block: don't call freeze queue in elevator_switch() and elevator_disable()

testing commit f8e111c859b92ee909f1676f90c791e7165d3860 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: b39a197877924a4ad559d89f56a349db935cdfe4ab19adcfde7c5c0dde507cd2
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
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: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10
# git bisect skip f8e111c859b92ee909f1676f90c791e7165d3860
Bisecting: 383 revisions left to test after this (roughly 9 steps)
[2a6c0136ae9ac44f2b097e469d4cee95cd11e4f8] bcachefs: bch2_journal_write_checksum()

testing commit 2a6c0136ae9ac44f2b097e469d4cee95cd11e4f8 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 3ae0d919634f137d51739e8be33b8b26278b62f9ed6acb4625864745ac117979
all runs: OK
false negative chance: 0.000
# git bisect good 2a6c0136ae9ac44f2b097e469d4cee95cd11e4f8
Bisecting: 339 revisions left to test after this (roughly 8 steps)
[533c87e2ed742454957f14d7bef9f48d5a72e72d] selftests: ublk: add test for UBLK_F_QUIESCE

testing commit 533c87e2ed742454957f14d7bef9f48d5a72e72d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: a918d9f74420a665934d725255a53bb901d5875f242c6eceba477033cc41b281
all runs: OK
false negative chance: 0.000
# git bisect good 533c87e2ed742454957f14d7bef9f48d5a72e72d
Bisecting: 182 revisions left to test after this (roughly 7 steps)
[85bf2dfa3f1287d349fa1f92b673ca67d13c7784] xfs: ignore HW which cannot atomic write a single block

testing commit 85bf2dfa3f1287d349fa1f92b673ca67d13c7784 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 8590574ce012186749d23769e4281acf0a696213ce03da4efe9e2deb1843f25e
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
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: slab-use-after-free Read in list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
# git bisect bad 85bf2dfa3f1287d349fa1f92b673ca67d13c7784
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[84270a1a30c964e51af3e489411b4e178c4f153e] xfs: only call xfs_setsize_buftarg once per buffer target

testing commit 84270a1a30c964e51af3e489411b4e178c4f153e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e56bebdd8970068d1337a57923d4fec48e80a49a9c489cd2953a79febd361a40
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #3: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #4: crashed: KASAN: slab-use-after-free Read in list_lru_add
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 list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
# git bisect bad 84270a1a30c964e51af3e489411b4e178c4f153e
Bisecting: 2 revisions left to test after this (roughly 1 step)
[5088aad3d32cc0b1c96cbe3e718569ffc0aca4ba] xfs: stop using set_blocksize

testing commit 5088aad3d32cc0b1c96cbe3e718569ffc0aca4ba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 11da5d92ff127ba13d601ff058dcb9ef2fe13fe61d4318345d5278d162b25c53
run #0: ignore: lost connection to test machine
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
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
false negative chance: 0.000
# git bisect good 5088aad3d32cc0b1c96cbe3e718569ffc0aca4ba
Bisecting: 0 revisions left to test after this (roughly 1 step)
[5d894321c49e61379189b0ff605f316e39cbd1e9] fs: add atomic write unit max opt to statx

testing commit 5d894321c49e61379189b0ff605f316e39cbd1e9 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 96fbf7ed4185bfe68d5858f7cebff84e3b9c82f8cb001d881f0e7ba5424fed45
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #3: OK
run #4: OK
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 list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
# git bisect bad 5d894321c49e61379189b0ff605f316e39cbd1e9
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[bfecc4091e07a47696ac922783216d9e9ea46c97] xfs: allow ro mounts if rtdev or logdev are read-only

testing commit bfecc4091e07a47696ac922783216d9e9ea46c97 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 695c46bd583b8acc7da0a0557e7d080efcd98b1a620edbea586dcef32d1f1ad0
run #0: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #1: crashed: KASAN: slab-use-after-free Read in list_lru_add
run #2: OK
run #3: OK
run #4: OK
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 list_lru_add, types: [KASAN-USE-AFTER-FREE-READ]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip bfecc4091e07a47696ac922783216d9e9ea46c97
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
bfecc4091e07a47696ac922783216d9e9ea46c97
5d894321c49e61379189b0ff605f316e39cbd1e9
We cannot bisect more!

accumulated error probability: 0.00
reproducer is flaky (0.29 repro chance estimate)
revisions tested: 26, total time: 9h2m9.012510159s (build: 4h4m2.761268956s, test: 4h23m39.800666196s)
bisection is inconclusive, the first bad commit could be any of:
bfecc4091e07a47696ac922783216d9e9ea46c97
5d894321c49e61379189b0ff605f316e39cbd1e9