ci2 starts bisection 2025-03-06 18:48:38.498728376 +0000 UTC m=+74995.587894037 bisecting cause commit starting from b91872c56940950a6a0852e499d249c3091d4284 building syzkaller on c3901742785ff25afdc6f470af7b25b69d7c4f2f ensuring issue is reproducible on original commit b91872c56940950a6a0852e499d249c3091d4284 testing commit b91872c56940950a6a0852e499d249c3091d4284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 52fba7d3b29c34242261e8a14c6b466ac0635eb813ad7970b15566c3c2f6eb57 run #0: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #1: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #2: crashed: KASAN: use-after-free Read in bkey_packed_valid run #3: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #4: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #5: crashed: KASAN: use-after-free Read in bkey_packed_valid run #6: crashed: BUG: corrupted list in move_expired_inodes run #7: crashed: KASAN: slab-out-of-bounds Read in bkey_packed_valid run #8: crashed: WARNING: locking bug in simple_recursive_removal run #9: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #10: crashed: KASAN: slab-use-after-free Read in __bch2_bkey_unpack_key run #11: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #12: crashed: BUG: unable to handle kernel paging request in __dentry_kill run #13: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #14: crashed: KASAN: use-after-free Read in bkey_packed_valid run #15: crashed: BUG: corrupted list in list_lru_del run #16: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #17: crashed: WARNING: locking bug in simple_recursive_removal run #18: crashed: WARNING: locking bug in simple_recursive_removal run #19: crashed: KASAN: slab-out-of-bounds Read in bkey_packed_valid representative crash: KASAN: slab-use-after-free Read in bkey_packed_valid, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit b91872c56940950a6a0852e499d249c3091d4284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d724f89a2071ef7f21106ac3c5f9cda02feaffbab98e6aeac98edb58d5e118c9 run #0: crashed: KASAN: slab-out-of-bounds Read in __bch2_bkey_unpack_key run #1: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #2: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #3: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #4: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #5: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #6: crashed: KASAN: slab-use-after-free Read in __bch2_bkey_unpack_key run #7: crashed: KASAN: use-after-free Read in bkey_packed_valid run #8: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #9: crashed: BUG: unable to handle kernel paging request in devlink_params_driverinit_load_new representative crash: KASAN: slab-out-of-bounds Read in __bch2_bkey_unpack_key, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=4054 full=8254 leaves diff=2116 split chunks (needed=false): <2116> split chunk #0 of len 2116 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit b91872c56940950a6a0852e499d249c3091d4284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 24d536f899724f559e64681591147cf60178a5020ccec431f90a9ade25325f5d all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit b91872c56940950a6a0852e499d249c3091d4284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f1ec6d845f58128540e6be6525ccfa73ce691a0f98012b9b7c532111cf888a6a run #0: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #1: crashed: KASAN: slab-out-of-bounds Read in bkey_packed_valid run #2: crashed: invalid opcode in __build_ro_aux_tree run #3: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #4: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #5: crashed: invalid opcode in corrupted run #6: crashed: invalid opcode in corrupted run #7: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #8: crashed: KASAN: use-after-free Read in bkey_packed_valid run #9: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid representative crash: KASAN: slab-use-after-free Read in bkey_packed_valid, types: [KASAN UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit b91872c56940950a6a0852e499d249c3091d4284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 259bc692675156a30cd975d9fb39070a7e0137d09e4463f22e3f2836c62b9fae run #0: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #1: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #2: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #3: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #4: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #5: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #6: crashed: invalid opcode in corrupted run #7: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #8: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #9: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid representative crash: KASAN: slab-use-after-free Read in bkey_packed_valid, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit b91872c56940950a6a0852e499d249c3091d4284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f1fa2be4ee7f9a3a6668579dc39d22fe27da36c99a5db2880b5633848bdbb69 run #0: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #1: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #2: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #3: crashed: KASAN: slab-out-of-bounds Read in __bch2_bkey_unpack_key run #4: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #5: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #6: crashed: invalid opcode in corrupted run #7: crashed: invalid opcode in __build_ro_aux_tree run #8: crashed: KASAN: slab-out-of-bounds Read in __bch2_bkey_unpack_key run #9: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid representative crash: KASAN: slab-use-after-free Read in bkey_packed_valid, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit b91872c56940950a6a0852e499d249c3091d4284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3dd22ba9346d59cff8b6ee41a92c6621b5d624f64f4907a9843a2405ea7550f5 run #0: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #1: crashed: KASAN: use-after-free Read in bkey_packed_valid run #2: crashed: general protection fault in __kernfs_remove run #3: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #4: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #5: crashed: invalid opcode in corrupted run #6: crashed: invalid opcode in __build_ro_aux_tree run #7: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #8: crashed: KASAN: slab-out-of-bounds Read in bkey_packed_valid run #9: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid representative crash: KASAN: slab-use-after-free Read in bkey_packed_valid, types: [KASAN UNKNOWN] the chunk can be dropped minimized to 424 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_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP 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_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_MTKSDIO BT_MTKUART 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 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_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRC_T10DIF_ARCH 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 CRYPTO_CRC64_ROCKSOFT 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_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR 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_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_CODEL 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_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 ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed picked [v6.13 v6.12 v6.11 v6.9 v6.7 v6.5 v6.3 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 36 release tags testing release v6.13 testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40f96e6cdb50326217c215969e11748f4b5e68b717957d496c3dec6810d42558 all runs: OK false negative chance: 0.000 # git bisect start b91872c56940950a6a0852e499d249c3091d4284 ffd294d346d185b70e28b1a28abe367bbfe53c04 Bisecting: 5615 revisions left to test after this (roughly 13 steps) [f1c243fc78ca94fd72e2e6e8f0f49b7360fef475] Merge tag 'iommu-updates-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux testing commit f1c243fc78ca94fd72e2e6e8f0f49b7360fef475 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 58bdec5118d3c317e6f0be5bdbab6115a04c02ed70e3c476aeeab999d5f7578c all runs: OK false negative chance: 0.000 # git bisect good f1c243fc78ca94fd72e2e6e8f0f49b7360fef475 Bisecting: 2770 revisions left to test after this (roughly 12 steps) [cc8b10fa70682218c2a318fc44f71f3175a23cc0] Merge tag 'usb-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit cc8b10fa70682218c2a318fc44f71f3175a23cc0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b70c26df8c355df2deb595546e4c87dbbc7237ed2a2d2ad49a20cdf31d589f9 all runs: OK false negative chance: 0.000 # git bisect good cc8b10fa70682218c2a318fc44f71f3175a23cc0 Bisecting: 1392 revisions left to test after this (roughly 11 steps) [fd8c09ad0d87783b9b6a27900d66293be45b7bad] Merge tag 'kbuild-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild testing commit fd8c09ad0d87783b9b6a27900d66293be45b7bad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b342abbe7ba832f0d4a6881f3d3013e02cc19cfd40e149b760ecd160610ad44d run #0: crashed: invalid opcode in bch2_btree_path_peek_slot 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: invalid opcode in bch2_btree_path_peek_slot, types: [UNKNOWN] unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10 # git bisect skip fd8c09ad0d87783b9b6a27900d66293be45b7bad Bisecting: 1392 revisions left to test after this (roughly 11 steps) [af13ff1c33e043b746cd96c83c7660ddf0272f73] Merge tag 'constfy-sysctl-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl testing commit af13ff1c33e043b746cd96c83c7660ddf0272f73 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e4a89e1120aa0c621d87d252ff835a05a0b437e2250aef42c1f789b994943187 all runs: OK false negative chance: 0.000 # git bisect good af13ff1c33e043b746cd96c83c7660ddf0272f73 Bisecting: 968 revisions left to test after this (roughly 10 steps) [70b0d6b0a199c5a3ee6c72f5e61681ed6f759612] tee: optee: Fix supplicant wait loop testing commit 70b0d6b0a199c5a3ee6c72f5e61681ed6f759612 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f9689a388814dcd02ac7d052085173ed9377ae66dd4305bc54996475da80c141 run #0: crashed: invalid opcode in bch2_btree_path_peek_slot 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: invalid opcode in bch2_btree_path_peek_slot, types: [UNKNOWN] unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10 # git bisect skip 70b0d6b0a199c5a3ee6c72f5e61681ed6f759612 Bisecting: 968 revisions left to test after this (roughly 10 steps) [68aaa637162787dc3374080efe03366f70b344f1] bcachefs: print op->nonce on data update inconsistency testing commit 68aaa637162787dc3374080efe03366f70b344f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f034d1b095658d2fbd3793cbf5f3053b8dc94d4adf80897dc9ccd4efed1cc6e all runs: OK false negative chance: 0.000 # git bisect good 68aaa637162787dc3374080efe03366f70b344f1 Bisecting: 635 revisions left to test after this (roughly 9 steps) [ba643b6d84409e8a9057d5bdd6dd99255b1a88fe] Merge tag 'irq_urgent_for_v6.14_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit ba643b6d84409e8a9057d5bdd6dd99255b1a88fe gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6020945340e8e255394b0f2c734c9a0ac6b39e47e7919a179de0d0f32a502f83 all runs: OK false negative chance: 0.000 # git bisect good ba643b6d84409e8a9057d5bdd6dd99255b1a88fe Bisecting: 318 revisions left to test after this (roughly 8 steps) [b8c8c1414f6d585d40f5432f36a75509737c8a07] Merge tag 'ftrace-v6.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace testing commit b8c8c1414f6d585d40f5432f36a75509737c8a07 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7688e12d5c425b7f71b76ff773888b1847346730a3335afbf72de342d66c9ef9 all runs: OK false negative chance: 0.000 # git bisect good b8c8c1414f6d585d40f5432f36a75509737c8a07 Bisecting: 186 revisions left to test after this (roughly 7 steps) [f09d694cf799d27d6de25f04f3fd5ba9190631e1] Merge tag 'sound-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit f09d694cf799d27d6de25f04f3fd5ba9190631e1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a2ccfab94cfe954c42210b478486f590b33086281b07052f872edb71372cbddc run #0: crashed: KASAN: use-after-free Read in bkey_packed_valid run #1: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #2: crashed: invalid opcode in corrupted run #3: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #4: crashed: KASAN: slab-out-of-bounds Read in bkey_packed_valid run #5: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #6: crashed: KASAN: slab-out-of-bounds Read in bkey_packed_valid run #7: crashed: KASAN: slab-use-after-free Read in bkey_packed_valid run #8: crashed: KASAN: slab-use-after-free Read in folio_try_get run #9: crashed: BUG: workqueue lockup representative crash: KASAN: use-after-free Read in bkey_packed_valid, types: [KASAN] # git bisect bad f09d694cf799d27d6de25f04f3fd5ba9190631e1 Bisecting: 70 revisions left to test after this (roughly 6 steps) [9f5270d758d955506dcb114cb863a86b30a4c783] Merge tag 'perf-tools-fixes-for-v6.14-2-2025-02-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools testing commit 9f5270d758d955506dcb114cb863a86b30a4c783 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1a8b9bfef2fe0551dafe9774a1e5fe52e3f813c84de717fa6ce1e1fd3d42cb76 all runs: OK false negative chance: 0.000 # git bisect good 9f5270d758d955506dcb114cb863a86b30a4c783 Bisecting: 33 revisions left to test after this (roughly 5 steps) [5394eea106517d5b0d4a372f00e63d5db8cb0370] Merge tag 'nfs-for-6.14-2' of git://git.linux-nfs.org/projects/anna/linux-nfs testing commit 5394eea106517d5b0d4a372f00e63d5db8cb0370 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 75c0cfabeeced9bc3da7c35e4353d277032ec403db001b86602f4ce31e81e8a8 all runs: OK false negative chance: 0.000 # git bisect good 5394eea106517d5b0d4a372f00e63d5db8cb0370 Bisecting: 16 revisions left to test after this (roughly 4 steps) [fe1544deda605f6100cbff1d5aeb179c3aa1515c] Merge tag 'asoc-fix-v6.14-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus testing commit fe1544deda605f6100cbff1d5aeb179c3aa1515c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0a1f114e61bc7550677ff699e32a3a2c9db37d56f3d1bb8e999b1917bcc9cfb run #0: crashed: invalid opcode in bch2_btree_path_peek_slot run #1: crashed: invalid opcode in bch2_btree_path_peek_slot 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: invalid opcode in bch2_btree_path_peek_slot, types: [UNKNOWN] # git bisect bad fe1544deda605f6100cbff1d5aeb179c3aa1515c Bisecting: 8 revisions left to test after this (roughly 3 steps) [769c1b79295c38d60fde4c0a8f5f31e01360c54f] ASoC: cs35l56: Prevent races when soft-resetting using SPI control testing commit 769c1b79295c38d60fde4c0a8f5f31e01360c54f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a59299dad4d13a020a9f143ea34f4ef04322ce0433459ed00257738030d206c run #0: crashed: invalid opcode in bch2_btree_path_peek_slot run #1: crashed: invalid opcode in bch2_btree_path_peek_slot 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: invalid opcode in bch2_btree_path_peek_slot, types: [UNKNOWN] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 769c1b79295c38d60fde4c0a8f5f31e01360c54f Bisecting: 8 revisions left to test after this (roughly 3 steps) [9e7c6779e3530bbdd465214afcd13f19c33e51a2] ALSA: hda/realtek: Fix wrong mic setup for ASUS VivoBook 15 testing commit 9e7c6779e3530bbdd465214afcd13f19c33e51a2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3ea9569417e3fd1a5391a0166263228f221a1202b5f74a32ae4249ab1319ee5 run #0: crashed: invalid opcode in bch2_btree_path_peek_slot run #1: crashed: invalid opcode in bch2_btree_path_peek_slot run #2: crashed: invalid opcode in bch2_btree_path_peek_slot run #3: OK run #4: crashed: invalid opcode in bch2_btree_path_peek_slot 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: invalid opcode in bch2_btree_path_peek_slot, types: [UNKNOWN] # git bisect bad 9e7c6779e3530bbdd465214afcd13f19c33e51a2 Bisecting: 3 revisions left to test after this (roughly 2 steps) [f5468beeab1b1adfc63c2717b1f29ef3f49a5fab] ASoC: tas2764: Set the SDOUT polarity correctly testing commit f5468beeab1b1adfc63c2717b1f29ef3f49a5fab gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c452c2b473dabfca750a3b971b4c37be3bd490b1dba19e24fdc06bbd02b919f1 run #0: crashed: invalid opcode in bch2_btree_path_peek_slot run #1: crashed: invalid opcode in bch2_btree_path_peek_slot run #2: crashed: invalid opcode in bch2_btree_path_peek_slot 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: invalid opcode in bch2_btree_path_peek_slot, types: [UNKNOWN] # git bisect bad f5468beeab1b1adfc63c2717b1f29ef3f49a5fab Bisecting: 1 revision left to test after this (roughly 1 step) [579cd64b9df8a60284ec3422be919c362de40e41] ASoC: tas2770: Fix volume scale testing commit 579cd64b9df8a60284ec3422be919c362de40e41 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b2e90292e79519f1defcf58d985511b2ad5b818d9f27e7d682b8fb80985cccbf run #0: crashed: invalid opcode in bch2_btree_path_peek_slot run #1: crashed: invalid opcode in bch2_btree_path_peek_slot run #2: crashed: invalid opcode in bch2_btree_path_peek_slot run #3: crashed: invalid opcode in bch2_btree_path_peek_slot 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: invalid opcode in bch2_btree_path_peek_slot, types: [UNKNOWN] # git bisect bad 579cd64b9df8a60284ec3422be919c362de40e41 579cd64b9df8a60284ec3422be919c362de40e41 is the first bad commit commit 579cd64b9df8a60284ec3422be919c362de40e41 Author: Hector Martin Date: Sat Feb 8 00:54:35 2025 +0000 ASoC: tas2770: Fix volume scale The scale starts at -100dB, not -128dB. Signed-off-by: Hector Martin Signed-off-by: Mark Brown Link: https://patch.msgid.link/20250208-asoc-tas2770-v1-1-cf50ff1d59a3@kernel.org Signed-off-by: Mark Brown sound/soc/codecs/tas2770.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) accumulated error probability: 0.00 parent commit 571b69f2f9b1ec7cf7d0e9b79e52115a87a869c4 wasn't tested testing commit 571b69f2f9b1ec7cf7d0e9b79e52115a87a869c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89de80753dc177e724f9336c79fd8bcec2263f06267d19bbd9622b063c22dd1b culprit signature: b2e90292e79519f1defcf58d985511b2ad5b818d9f27e7d682b8fb80985cccbf parent signature: 89de80753dc177e724f9336c79fd8bcec2263f06267d19bbd9622b063c22dd1b reproducer is flaky (0.24 repro chance estimate) revisions tested: 24, total time: 6h31m21.22587805s (build: 2h42m48.178816886s, test: 3h30m48.174110176s) first bad commit: 579cd64b9df8a60284ec3422be919c362de40e41 ASoC: tas2770: Fix volume scale recipients (to): ["broonie@kernel.org" "marcan@marcan.st"] recipients (cc): [] crash: invalid opcode in bch2_btree_path_peek_slot Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: btree_update btree_interior_update_work RIP: 0010:bch2_btree_path_peek_slot+0xf4d/0xf70 fs/bcachefs/btree_iter.c:1850 Code: 54 24 18 e8 c5 66 20 ff 4c 8b 54 24 18 44 8b 4c 24 10 4d 89 e8 48 8b 74 24 08 48 ba 00 00 00 00 00 fc ff df e9 38 f4 ff ff 90 <0f> 0b 90 0f 0b e8 99 a6 9e 03 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b RSP: 0018:ffffc900000bd7a0 EFLAGS: 00010206 RAX: 1ffff1102afa40e4 RBX: ffff888157d20720 RCX: 0000000000000680 RDX: dffffc0000000000 RSI: fffffffffffff765 RDI: ffff888157d20700 RBP: ffffc900000bd8b0 R08: ffff888157d20700 R09: 0000000000000000 R10: ffffc900000bda20 R11: fffff52000017b46 R12: 0000000000002164 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888157d20720 FS: 0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb9c27705a0 CR3: 0000000157402000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_iter_peek_slot+0xa8a/0x27c0 fs/bcachefs/btree_iter.c:2799 __bch2_bkey_get_iter fs/bcachefs/btree_iter.h:573 [inline] bch2_bkey_get_iter fs/bcachefs/btree_iter.h:587 [inline] bch2_check_discard_freespace_key+0x32f/0xff0 fs/bcachefs/alloc_background.c:1404 try_alloc_bucket fs/bcachefs/alloc_foreground.c:287 [inline] bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:438 [inline] bch2_bucket_alloc_trans+0x193b/0x2e50 fs/bcachefs/alloc_foreground.c:570 bch2_bucket_alloc_set_trans+0x685/0x1180 fs/bcachefs/alloc_foreground.c:726 __open_bucket_add_buckets+0x1c90/0x2a70 fs/bcachefs/alloc_foreground.c:969 open_bucket_add_buckets+0x1f0/0x2c0 fs/bcachefs/alloc_foreground.c:1013 bch2_alloc_sectors_start_trans+0xc39/0x1c00 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:322 [inline] bch2_btree_reserve_get+0x587/0x17d0 fs/bcachefs/btree_update_interior.c:532 bch2_btree_update_start+0xfa9/0x1530 fs/bcachefs/btree_update_interior.c:1230 bch2_btree_split_leaf+0xcb/0x7a0 fs/bcachefs/btree_update_interior.c:1851 bch2_trans_commit_error+0x3ea/0xe50 fs/bcachefs/btree_trans_commit.c:908 __bch2_trans_commit+0x12f0/0x8820 fs/bcachefs/btree_trans_commit.c:1085 bch2_trans_commit fs/bcachefs/btree_update.h:183 [inline] btree_update_nodes_written fs/bcachefs/btree_update_interior.c:706 [inline] btree_interior_update_work+0xa84/0x2470 fs/bcachefs/btree_update_interior.c:844 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x947/0x1410 kernel/workqueue.c:3317 worker_thread+0x868/0xc70 kernel/workqueue.c:3398 kthread+0x647/0x750 kernel/kthread.c:464 ret_from_fork+0x32/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_path_peek_slot+0xf4d/0xf70 fs/bcachefs/btree_iter.c:1850 Code: 54 24 18 e8 c5 66 20 ff 4c 8b 54 24 18 44 8b 4c 24 10 4d 89 e8 48 8b 74 24 08 48 ba 00 00 00 00 00 fc ff df e9 38 f4 ff ff 90 <0f> 0b 90 0f 0b e8 99 a6 9e 03 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b RSP: 0018:ffffc900000bd7a0 EFLAGS: 00010206 RAX: 1ffff1102afa40e4 RBX: ffff888157d20720 RCX: 0000000000000680 RDX: dffffc0000000000 RSI: fffffffffffff765 RDI: ffff888157d20700 RBP: ffffc900000bd8b0 R08: ffff888157d20700 R09: 0000000000000000 R10: ffffc900000bda20 R11: fffff52000017b46 R12: 0000000000002164 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888157d20720 FS: 0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb9c27705a0 CR3: 0000000157402000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400