ci starts bisection 2024-08-14 11:46:03.87906909 +0000 UTC m=+40332.036286227 bisecting cause commit starting from 9e6869691724b12e1f43655eeedc35fade38120c building syzkaller on 6f4edef43e90da260aa93c16da223a2a5569c978 fetch other tags and check if the commit is present ensuring issue is reproducible on original commit 9e6869691724b12e1f43655eeedc35fade38120c testing commit 9e6869691724b12e1f43655eeedc35fade38120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bd78eaf931c861eb66c9a11acaffd7d9ffb09111f383aa8274b1a8f2c1809f9c all runs: crashed: kernel BUG in swap_cgroup_record representative crash: kernel BUG in swap_cgroup_record, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 9e6869691724b12e1f43655eeedc35fade38120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 01b4298abe1f437163d84edf62c7af6dfdf9199543a83d43d0fca79cac568050 all runs: crashed: kernel BUG in swap_cgroup_record representative crash: kernel BUG in swap_cgroup_record, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4001 full=8179 leaves diff=2140 split chunks (needed=false): <2140> split chunk #0 of len 2140 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 9e6869691724b12e1f43655eeedc35fade38120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 99c60274c251a45f0a5aab80d111fd81bf6073097edf385d6b2120cce5a45278 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 9e6869691724b12e1f43655eeedc35fade38120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba08c5e799d932206e6be42696bc7c007ce16e6288123a4d629e02a07f26dc84 run #0: crashed: kernel BUG in swap_cgroup_record run #1: crashed: kernel BUG in swap_cgroup_record run #2: crashed: kernel BUG in swap_cgroup_record run #3: crashed: kernel BUG in swap_cgroup_record run #4: crashed: kernel BUG in swap_cgroup_record run #5: crashed: kernel BUG in swap_cgroup_record run #6: crashed: kernel BUG in swap_cgroup_record run #7: crashed: kernel BUG in swap_cgroup_record run #8: OK run #9: OK representative crash: kernel BUG in swap_cgroup_record, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 9e6869691724b12e1f43655eeedc35fade38120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03252cab466f52734a6c6fcecfb7f4b5c75d9e806d8c87c691615c2a0cb53587 run #0: crashed: kernel BUG in swap_cgroup_record run #1: crashed: kernel BUG in swap_cgroup_record run #2: crashed: kernel BUG in swap_cgroup_record run #3: crashed: kernel BUG in swap_cgroup_record run #4: crashed: kernel BUG in swap_cgroup_record run #5: crashed: kernel BUG in swap_cgroup_record run #6: crashed: kernel BUG in swap_cgroup_record run #7: crashed: kernel BUG in swap_cgroup_record run #8: OK run #9: OK representative crash: kernel BUG in swap_cgroup_record, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 9e6869691724b12e1f43655eeedc35fade38120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9402703655e21e0651aac1bfb99cda15dcfd47f3d065145eb8081e6e6f3a2e51 all runs: crashed: kernel BUG in swap_cgroup_record representative crash: kernel BUG in swap_cgroup_record, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 9e6869691724b12e1f43655eeedc35fade38120c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c19d28efa3a36cd222963950fadecb19c4f086081e3c5cb8a48e4e4ea1359d94 all runs: OK false negative chance: 0.000 minimized to 856 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_MADT_WAKEUP ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADDRESS_MASKING ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAVE_EXTRA_ELF_NOTES ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARDBUS CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MBYTES CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMMON_CLK COMPAT_NETLINK_MESSAGES CONTIG_ALLOC COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD CRYPTO_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_SPACC CRYPTO_DEV_SPACC_AEAD CRYPTO_DEV_SPACC_AUTODETECT CRYPTO_DEV_SPACC_CIPHER CRYPTO_DEV_SPACC_HASH CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3 CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_SM4_GENERIC CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA 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_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DVB_CORE ENCRYPTED_KEYS EXTCON FB FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOMMUFD IOSCHED_BFQ IRQ_REMAP ISDN ISDN_CAPI KVM KVM_INTEL LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER 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 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT NOP_USB_XCEIV PARPORT PARTITION_ADVANCED PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SERIAL_DEV_BUS SND SOUND SPI SSB TAP TARGET_CORE TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS TUN USB_AMD5536UDC USB_ATM USB_CDNS3 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_NPCM 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_MIDI2 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_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 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_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_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_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_PHY 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_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_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR 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 USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VDSO_GETRANDOM VETH VFIO VFIO_DEVICE_CDEV 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_TASK VHOST_VDPA VHOST_VSOCK VIDEO 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_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 WANT_COMPAT_NETLINK_MESSAGES WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_ATH WLAN_VENDOR_SILABS X86_BUS_LOCK_DETECT X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI 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 XZ_DEC_ARM64 XZ_DEC_RISCV YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC] disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed picked [v6.10 v6.9 v6.8 v6.6 v6.4 v6.2 v6.0 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 33 release tags testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ea44283be543db47155e1f3e9976d3818d6987968c62675ba7e765cfc2ee919a all runs: OK false negative chance: 0.000 # git bisect start 9e6869691724b12e1f43655eeedc35fade38120c 0c3836482481200ead7b416ca80c68a29cfdaabd Bisecting: 8820 revisions left to test after this (roughly 13 steps) [3d51520954154a476bfdacf9427acd1d9538734c] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit 3d51520954154a476bfdacf9427acd1d9538734c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1fa9e20551a93a90f002683917c4fe49e39e3a14cef0bfa4117724d1bc1f2909 all runs: OK false negative chance: 0.000 # git bisect good 3d51520954154a476bfdacf9427acd1d9538734c Bisecting: 4409 revisions left to test after this (roughly 12 steps) [953f776459a83f00ac940dd67c96d226d7041550] Merge tag 'irq-urgent-2024-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 953f776459a83f00ac940dd67c96d226d7041550 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3a9a9c21a10b429a0e907549e71c592f90e62906d17f02ecacd0e2ef3502645 all runs: OK false negative chance: 0.000 # git bisect good 953f776459a83f00ac940dd67c96d226d7041550 Bisecting: 2221 revisions left to test after this (roughly 11 steps) [9cf0f32b0018cd53d555f8ce72c854ea8d23fda8] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git testing commit 9cf0f32b0018cd53d555f8ce72c854ea8d23fda8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1a04f5f3093d7d7090fde62f0ef3538b94d1df5ed1f07358cb2d557f6e97ddac run #0: crashed: kernel BUG in swap_cgroup_record run #1: crashed: kernel BUG in swap_cgroup_record run #2: crashed: kernel BUG in swap_cgroup_record run #3: crashed: kernel BUG in swap_cgroup_record run #4: crashed: kernel BUG in swap_cgroup_record run #5: crashed: kernel BUG in swap_cgroup_record run #6: crashed: kernel BUG in swap_cgroup_record run #7: crashed: kernel BUG in swap_cgroup_record run #8: crashed: kernel BUG in swap_cgroup_record run #9: OK representative crash: kernel BUG in swap_cgroup_record, types: [BUG] # git bisect bad 9cf0f32b0018cd53d555f8ce72c854ea8d23fda8 Bisecting: 1071 revisions left to test after this (roughly 10 steps) [da0bb50fcdbad9b0d48a2633b2ed11da8c1abdf1] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git testing commit da0bb50fcdbad9b0d48a2633b2ed11da8c1abdf1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4fec76a3b4df8d2bca7ba33f9324ee644b730e7800d4fbadbfe2cc0e5545f33c run #0: crashed: kernel BUG in swap_cgroup_record run #1: crashed: kernel BUG in swap_cgroup_record run #2: crashed: kernel BUG in swap_cgroup_record run #3: crashed: kernel BUG in swap_cgroup_record run #4: crashed: kernel BUG in swap_cgroup_record run #5: crashed: kernel BUG in swap_cgroup_record run #6: crashed: kernel BUG in swap_cgroup_record run #7: crashed: kernel BUG in swap_cgroup_record run #8: OK run #9: OK representative crash: kernel BUG in swap_cgroup_record, types: [BUG] # git bisect bad da0bb50fcdbad9b0d48a2633b2ed11da8c1abdf1 Bisecting: 605 revisions left to test after this (roughly 9 steps) [a456b2d103fae3ed56b94eef4028d3016196dc14] Merge branch 'for-linux-next-fixes' of https://gitlab.freedesktop.org/drm/misc/kernel.git testing commit a456b2d103fae3ed56b94eef4028d3016196dc14 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 854ef51d65e919b7ebed0e7c6ebd6f82c5110b6bd46ff41a3742b131aa90ab0b all runs: OK false negative chance: 0.000 # git bisect good a456b2d103fae3ed56b94eef4028d3016196dc14 Bisecting: 337 revisions left to test after this (roughly 8 steps) [6dc3bce466b5c50bde36ed0065671f9aeb429210] Merge branch 'clang-format' of https://github.com/ojeda/linux.git testing commit 6dc3bce466b5c50bde36ed0065671f9aeb429210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 354b96cf75d0917a88c593dc77771baa403ce35f1185d7b1b593b06775e0f90e all runs: crashed: kernel BUG in swap_cgroup_record representative crash: kernel BUG in swap_cgroup_record, types: [BUG] # git bisect bad 6dc3bce466b5c50bde36ed0065671f9aeb429210 Bisecting: 133 revisions left to test after this (roughly 7 steps) [0138957918ce4a3a0d934e2de55d5722acb513dc] zswap: implement a second chance algorithm for dynamic zswap shrinker testing commit 0138957918ce4a3a0d934e2de55d5722acb513dc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 41c1d5d0e62ee8d4b54ea2c6aa337cdb41c20123b2a0a56418841388f667b3d3 all runs: OK false negative chance: 0.000 # git bisect good 0138957918ce4a3a0d934e2de55d5722acb513dc Bisecting: 66 revisions left to test after this (roughly 6 steps) [05a6f2f057cfc17ce950e21e379320d1e23a3476] mm: accept memory in __alloc_pages_bulk() testing commit 05a6f2f057cfc17ce950e21e379320d1e23a3476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 05a6f2f057cfc17ce950e21e379320d1e23a3476: mm/memory.c:5403:34: error: use of undeclared identifier 'NUMA_HINT_FAULTS' # git bisect skip 05a6f2f057cfc17ce950e21e379320d1e23a3476 Bisecting: 66 revisions left to test after this (roughly 6 steps) [50687dedf7dc6491aa769ff37cd98890d7feeec4] mm: remove PG_error testing commit 50687dedf7dc6491aa769ff37cd98890d7feeec4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2788c03201fa539aa81171b6bb6e317e9f0fd73297e9e9e467f534ba3660551a all runs: OK false negative chance: 0.000 # git bisect good 50687dedf7dc6491aa769ff37cd98890d7feeec4 Bisecting: 41 revisions left to test after this (roughly 5 steps) [319b86739a4641b92991495475ff9934cb640ec1] locking/ww_mutex/test: add MODULE_DESCRIPTION() testing commit 319b86739a4641b92991495475ff9934cb640ec1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e55322a3acd3b90d6572647fbb0527f77d5f01d8088728e102a3fea22f8275e all runs: OK false negative chance: 0.000 # git bisect good 319b86739a4641b92991495475ff9934cb640ec1 Bisecting: 20 revisions left to test after this (roughly 4 steps) [91abdcee0554fe35c009a279f026b197a6ebbe26] mm: add a helper to accept page testing commit 91abdcee0554fe35c009a279f026b197a6ebbe26 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 91abdcee0554fe35c009a279f026b197a6ebbe26: mm/memory.c:5403:34: error: use of undeclared identifier 'NUMA_HINT_FAULTS' # git bisect skip 91abdcee0554fe35c009a279f026b197a6ebbe26 Bisecting: 20 revisions left to test after this (roughly 4 steps) [0b1f760e82abc8554a039fe433bdce696acc54f5] foo testing commit 0b1f760e82abc8554a039fe433bdce696acc54f5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 0b1f760e82abc8554a039fe433bdce696acc54f5: mm/memory.c:5403:34: error: use of undeclared identifier 'NUMA_HINT_FAULTS' # git bisect skip 0b1f760e82abc8554a039fe433bdce696acc54f5 Bisecting: 20 revisions left to test after this (roughly 4 steps) [bfdcec7cdfc612cc00f50a7b04dde62e775299de] mm: page_isolation: handle unaccepted memory isolation testing commit bfdcec7cdfc612cc00f50a7b04dde62e775299de gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building bfdcec7cdfc612cc00f50a7b04dde62e775299de: mm/memory.c:5403:34: error: use of undeclared identifier 'NUMA_HINT_FAULTS' # git bisect skip bfdcec7cdfc612cc00f50a7b04dde62e775299de Bisecting: 20 revisions left to test after this (roughly 4 steps) [8d68ac90c7fd52f61a3f552f68127a5742af3bdb] mm: tidy up shmem mTHP controls and stats testing commit 8d68ac90c7fd52f61a3f552f68127a5742af3bdb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b5d98bc72e8e6e1386a12808f8a723de9c5028d96d0d9538895cab67b4977d5 all runs: OK false negative chance: 0.000 # git bisect good 8d68ac90c7fd52f61a3f552f68127a5742af3bdb Bisecting: 15 revisions left to test after this (roughly 4 steps) [c11f74a938eedc113919d3a089d11bb2870673ec] mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory testing commit c11f74a938eedc113919d3a089d11bb2870673ec gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building c11f74a938eedc113919d3a089d11bb2870673ec: mm/memory.c:5403:34: error: use of undeclared identifier 'NUMA_HINT_FAULTS' # git bisect skip c11f74a938eedc113919d3a089d11bb2870673ec Bisecting: 15 revisions left to test after this (roughly 4 steps) [d65aea610f0a14cda5ec56a154c724584ef7da17] mm: attempt to batch free swap entries for zap_pte_range() testing commit d65aea610f0a14cda5ec56a154c724584ef7da17 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8ca2502f02c343828991241b777b67e1ab0f5fdf2a0e9be9ba18e44f83a65c92 run #0: crashed: kernel BUG in swap_cgroup_record run #1: crashed: kernel BUG in swap_cgroup_record run #2: crashed: kernel BUG in swap_cgroup_record run #3: crashed: kernel BUG in swap_cgroup_record run #4: crashed: kernel BUG in swap_cgroup_record run #5: crashed: kernel BUG in swap_cgroup_record run #6: crashed: kernel BUG in swap_cgroup_record run #7: crashed: kernel BUG in swap_cgroup_record run #8: crashed: kernel BUG in swap_cgroup_record run #9: OK representative crash: kernel BUG in swap_cgroup_record, types: [BUG] # git bisect bad d65aea610f0a14cda5ec56a154c724584ef7da17 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f2ffc19ba097d69990ed8a632b4ccc77d5bd37cd] mm: rename instances of swap_info_struct to meaningful 'si' testing commit f2ffc19ba097d69990ed8a632b4ccc77d5bd37cd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c85be826670f9c9d6fb7a46244ebb02b8c5367a61695bc5955b483c22b053d41 all runs: OK false negative chance: 0.000 # git bisect good f2ffc19ba097d69990ed8a632b4ccc77d5bd37cd d65aea610f0a14cda5ec56a154c724584ef7da17 is the first bad commit commit d65aea610f0a14cda5ec56a154c724584ef7da17 Author: Barry Song Date: Thu Aug 8 09:58:59 2024 +1200 mm: attempt to batch free swap entries for zap_pte_range() Zhiguo reported that swap release could be a serious bottleneck during process exits[1]. With mTHP, we have the opportunity to batch free swaps. Thanks to the work of Chris and Kairui[2], I was able to achieve this optimization with minimal code changes by building on their efforts. If swap_count is 1, which is likely true as most anon memory are private, we can free all contiguous swap slots all together. Ran the below test program for measuring the bandwidth of munmap using zRAM and 64KiB mTHP: #include #include #include unsigned long long tv_to_ms(struct timeval tv) { return tv.tv_sec * 1000 + tv.tv_usec / 1000; } main() { struct timeval tv_b, tv_e; int i; #define SIZE 1024*1024*1024 void *p = mmap(NULL, SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (!p) { perror("fail to get memory"); exit(-1); } madvise(p, SIZE, MADV_HUGEPAGE); memset(p, 0x11, SIZE); /* write to get mem */ madvise(p, SIZE, MADV_PAGEOUT); gettimeofday(&tv_b, NULL); munmap(p, SIZE); gettimeofday(&tv_e, NULL); printf("munmap in bandwidth: %ld bytes/ms\n", SIZE/(tv_to_ms(tv_e) - tv_to_ms(tv_b))); } The result is as below (munmap bandwidth): mm-unstable mm-unstable-with-patch round1 21053761 63161283 round2 21053761 63161283 round3 21053761 63161283 round4 20648881 67108864 round5 20648881 67108864 munmap bandwidth becomes 3X faster. [1] https://lore.kernel.org/linux-mm/20240731133318.527-1-justinjiang@vivo.com/ [2] https://lore.kernel.org/linux-mm/20240730-swap-allocator-v5-0-cb9c148b9297@kernel.org/ Link: https://lkml.kernel.org/r/20240807215859.57491-3-21cnbao@gmail.com Signed-off-by: Barry Song Acked-by: David Hildenbrand Cc: Kairui Song Cc: Chris Li Cc: "Huang, Ying" Cc: Hugh Dickins Cc: Kalesh Singh Cc: Ryan Roberts Signed-off-by: Andrew Morton mm/swapfile.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 65 insertions(+), 11 deletions(-) accumulated error probability: 0.00 culprit signature: 8ca2502f02c343828991241b777b67e1ab0f5fdf2a0e9be9ba18e44f83a65c92 parent signature: c85be826670f9c9d6fb7a46244ebb02b8c5367a61695bc5955b483c22b053d41 revisions tested: 20, total time: 8h6m22.896313797s (build: 5h2m5.21684933s, test: 2h48m42.400187108s) first bad commit: d65aea610f0a14cda5ec56a154c724584ef7da17 mm: attempt to batch free swap entries for zap_pte_range() recipients (to): ["akpm@linux-foundation.org" "david@redhat.com" "v-songbaohua@oppo.com"] recipients (cc): [] crash: kernel BUG in swap_cgroup_record ------------[ cut here ]------------ kernel BUG at mm/swap_cgroup.c:141! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 0 UID: 0 PID: 5122 Comm: syz.0.615 Not tainted 6.11.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:swap_cgroup_record+0xf2/0x100 mm/swap_cgroup.c:141 Code: cf 49 83 c7 02 eb de 48 8b 3c 24 48 89 c6 e8 85 c3 c6 01 44 89 e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90007f0fa18 EFLAGS: 00010002 RAX: 0000000000000286 RBX: 00000000000002d3 RCX: 5a40000000000000 RDX: c432d217f9634e30 RSI: 0005088000000000 RDI: ffffffff86255d10 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff86255d00 R15: ffff888114fab5a4 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555585ec57e0 CR3: 00000001787a8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mem_cgroup_uncharge_swap+0x27/0x140 mm/memcontrol.c:5106 mem_cgroup_uncharge_swap include/linux/swap.h:668 [inline] swap_entry_range_free+0x2a9/0x460 mm/swapfile.c:1556 __swap_entries_free mm/swapfile.c:1518 [inline] free_swap_and_cache_nr+0x376/0x460 mm/swapfile.c:1876 zap_pte_range mm/memory.c:1653 [inline] zap_pmd_range mm/memory.c:1736 [inline] zap_pud_range mm/memory.c:1765 [inline] zap_p4d_range mm/memory.c:1786 [inline] unmap_page_range+0x86e/0x1bd0 mm/memory.c:1807 unmap_vmas+0x11f/0x1a0 mm/memory.c:1897 exit_mmap+0x1f1/0x590 mm/mmap.c:1923 __mmput+0x3d/0x110 kernel/fork.c:1345 exit_mm+0xaa/0x110 kernel/exit.c:571 do_exit+0x206/0xa50 kernel/exit.c:926 do_group_exit+0x9c/0xa0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x12/0x20 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x220 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7f6f9779f9 Code: Unable to access opcode bytes at 0x7f7f6f9779cf. RSP: 002b:00007ffc3be9f4f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7f6f9779f9 RDX: 00007f7f6f9779f9 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 00007ffc3be9f5df R09: 00007f7f6fad0260 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f7f6fad0f68 R13: 00007f7f6fad0260 R14: 0000000000000003 R15: 00007ffc3be9f5a0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:swap_cgroup_record+0xf2/0x100 mm/swap_cgroup.c:141 Code: cf 49 83 c7 02 eb de 48 8b 3c 24 48 89 c6 e8 85 c3 c6 01 44 89 e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90007f0fa18 EFLAGS: 00010002 RAX: 0000000000000286 RBX: 00000000000002d3 RCX: 5a40000000000000 RDX: c432d217f9634e30 RSI: 0005088000000000 RDI: ffffffff86255d10 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff86255d00 R15: ffff888114fab5a4 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555585ec57e0 CR3: 00000001787a8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400