ci2 starts bisection 2025-01-01 09:56:16.109035465 +0000 UTC m=+519197.844144542 bisecting cause commit starting from ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 building syzkaller on d3ccff6372e07c6aabd02b5da419aa6492b5f0ad ensuring issue is reproducible on original commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5852cf56f067204760bbbf0ef928254a0e2ad20d30645d6788708ddc9c8fd245 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK BUG KASAN LOCKDEP], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a024925e833e7f66a4d35eb50a69cc0cfc966be194669b73e12b20955ed40c2 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4037 full=8236 leaves diff=2125 split chunks (needed=false): <2125> split chunk #0 of len 2125 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK BUG], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db0992ebf657656b6966b348e1bde5dd33c78dcb692bd073bc6c81379bc1b3b1 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 82ceb1e5858dbdefdccde26cb5b0f884baae6c3dcf258da3657ef72a694dd6fc all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a5cb0d098d9b765ffb2ddd4c093687a56ef7ca84b3f226e69e0ccc1e5a53252f all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b80734f640f6160e7115d1dfaec8175a5a2ecf4f5942f285dcf2e61c1e75c792 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 494605f87b6719d498b54affc6602e228938743a399fd286b0684a38cd13e431 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] the chunk can be dropped minimized to 425 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_EC 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_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_DEFAULT_CRASH_DUMP ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_EXECMEM_ROX ARCH_HAS_PREEMPT_LAZY ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_AUTOFDO_CLANG ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PROPELLER_CLANG ARCH_SUPPORTS_PUD_PFNMAP ARCH_SUPPORTS_RT 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 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_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD 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_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC 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_AVX_X86_64 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 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_XCTR 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_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 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed picked [v6.12 v6.11 v6.10 v6.8 v6.6 v6.4 v6.2 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 35 release tags testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b3873384616edb5aad416b41f95da0d5876515b4b03ca58caa3d4b4136f57eb5 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 22dc6ed0eccb16db23fb21d0e9be64916874761de15d996ab76b077792767850 all runs: OK false negative chance: 0.000 # git bisect start adc218676eef25575469234709c2d87185ca223a 98f7e32f20d28ec452afb208f9cffc08448a2652 Bisecting: 7334 revisions left to test after this (roughly 13 steps) [509d2cd12a10d057fdf72f565b930f9a81140d59] Merge tag 'Smack-for-6.12' of https://github.com/cschaufler/smack-next testing commit 509d2cd12a10d057fdf72f565b930f9a81140d59 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 966edec276e904d5f7cbd1d98e35a1f770586d808e88b1ba15ddb5aea16cf075 all runs: OK false negative chance: 0.000 # git bisect good 509d2cd12a10d057fdf72f565b930f9a81140d59 Bisecting: 3656 revisions left to test after this (roughly 12 steps) [356a0319456810f3a5618353f6ca3b0ef9965479] Merge tag 'tty-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit 356a0319456810f3a5618353f6ca3b0ef9965479 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a945ab1121331e45df1579ae9f0ed3b3bcebd07f07499fe96084166dabba6926 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] # git bisect bad 356a0319456810f3a5618353f6ca3b0ef9965479 Bisecting: 1770 revisions left to test after this (roughly 11 steps) [3a37872316c2e3288e09a1322221c83e5929768d] Merge tag 'pci-v6.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci testing commit 3a37872316c2e3288e09a1322221c83e5929768d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb2237c416f3d951434df92eb4c031f403d254521b76ea886ef86786388027a8 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] # git bisect bad 3a37872316c2e3288e09a1322221c83e5929768d Bisecting: 816 revisions left to test after this (roughly 10 steps) [440b65232829fad69947b8de983c13a525cc8871] Merge tag 'bpf-next-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next testing commit 440b65232829fad69947b8de983c13a525cc8871 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a1879a02ad20cce99dd8fee1ce3d52f55bc3c6a09f0e7a29a46cbbbc5b6b9874 all runs: OK false negative chance: 0.000 # git bisect good 440b65232829fad69947b8de983c13a525cc8871 Bisecting: 382 revisions left to test after this (roughly 9 steps) [891e8abed532423d3b918b0c445dc8919bc445b5] Merge tag 'perf-tools-for-v6.12-1-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools testing commit 891e8abed532423d3b918b0c445dc8919bc445b5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 895e0bc610ac577e8e7aa6fe67a9742349e220d1f19ac74347442828e1d155f0 all runs: OK false negative chance: 0.000 # git bisect good 891e8abed532423d3b918b0c445dc8919bc445b5 Bisecting: 163 revisions left to test after this (roughly 8 steps) [18ba6034468e7949a9e2c2cf28e2e123b4fe7a50] Merge tag 'nfsd-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux testing commit 18ba6034468e7949a9e2c2cf28e2e123b4fe7a50 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e234ba57becc1441dca6f114054106562e362fd83681fd9b4948166b466c222 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] # git bisect bad 18ba6034468e7949a9e2c2cf28e2e123b4fe7a50 Bisecting: 119 revisions left to test after this (roughly 7 steps) [025c55a4c7f11ea38521c6e797f3192ad8768c93] bcachefs: return err ptr instead of null in read sb clean testing commit 025c55a4c7f11ea38521c6e797f3192ad8768c93 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d5ae99a1f0136a262378c022683fdd979713cf296fb81fdef1caf58e2822f5a9 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] # git bisect bad 025c55a4c7f11ea38521c6e797f3192ad8768c93 Bisecting: 49 revisions left to test after this (roughly 6 steps) [d3f30f16294cc8e58ef14f934874ed7b3ec15b71] bcachefs: drop unused posix acl handlers testing commit d3f30f16294cc8e58ef14f934874ed7b3ec15b71 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5df7e0a1f2efe55affd2f5602c61456347fef54086e86a638656173b2062cbad all runs: OK false negative chance: 0.000 # git bisect good d3f30f16294cc8e58ef14f934874ed7b3ec15b71 Bisecting: 24 revisions left to test after this (roughly 5 steps) [6b812f1dcebfee45d9ef6856404fa666797ac979] bcachefs: bch2_dev_remove_alloc() -> alloc_background.c testing commit 6b812f1dcebfee45d9ef6856404fa666797ac979 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2337e5f51c2e5d0a2a8a35b7050cd8251e7756e8e75eb1813c800f407d8b891 all runs: OK false negative chance: 0.000 # git bisect good 6b812f1dcebfee45d9ef6856404fa666797ac979 Bisecting: 12 revisions left to test after this (roughly 4 steps) [54a12984a9a29d6b7a363e8860506f0c77f334d7] bcachefs: EIO errcode cleanup testing commit 54a12984a9a29d6b7a363e8860506f0c77f334d7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2095c600e04a980aaef9aae87dfec868241330c087af45e49500247dcebc2129 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] # git bisect bad 54a12984a9a29d6b7a363e8860506f0c77f334d7 Bisecting: 5 revisions left to test after this (roughly 3 steps) [805ddc204287e74ebd2640c0f088e04f94e98b48] bcachefs: bch2_dev_rcu_noerror() testing commit 805ddc204287e74ebd2640c0f088e04f94e98b48 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3bc8566839ea5c594bb7f2dc3f9fe925049135596936f85f79da95bf606b181a all runs: OK false negative chance: 0.000 # git bisect good 805ddc204287e74ebd2640c0f088e04f94e98b48 Bisecting: 2 revisions left to test after this (roughly 2 steps) [691f2cba229189033c55f19b904bc6f4bd68b480] bcachefs: btree cache counters should be size_t testing commit 691f2cba229189033c55f19b904bc6f4bd68b480 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 593c02af26dc44cd444418f99736e7523164a76a0638b56913ed936652644b48 all runs: OK false negative chance: 0.000 # git bisect good 691f2cba229189033c55f19b904bc6f4bd68b480 Bisecting: 0 revisions left to test after this (roughly 1 step) [7a51608d0125469664e2daf8e060d6d783924c98] bcachefs: Rework btree node pinning testing commit 7a51608d0125469664e2daf8e060d6d783924c98 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 98d2bd2d8b447ab941fa45d488d4a775ef23892bb9a0947ddffd4345bcb1edf0 all runs: crashed: UBSAN: shift-out-of-bounds in __btree_node_pinned representative crash: UBSAN: shift-out-of-bounds in __btree_node_pinned, types: [UBSAN] # git bisect bad 7a51608d0125469664e2daf8e060d6d783924c98 Bisecting: 0 revisions left to test after this (roughly 0 steps) [91ddd7151000c0e538cec7fb2f3f86e2268af4d4] bcachefs: split up btree cache counters for live, freeable testing commit 91ddd7151000c0e538cec7fb2f3f86e2268af4d4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5dff9fc27d4ad97cbf76a2a41c1dce92abf60f3845b7afe2b2e2e7fbf3822117 all runs: OK false negative chance: 0.000 # git bisect good 91ddd7151000c0e538cec7fb2f3f86e2268af4d4 7a51608d0125469664e2daf8e060d6d783924c98 is the first bad commit commit 7a51608d0125469664e2daf8e060d6d783924c98 Author: Kent Overstreet Date: Wed Sep 4 20:49:37 2024 -0400 bcachefs: Rework btree node pinning In backpointers fsck, we do a seqential scan of one btree, and check references to another: extents <-> backpointers Checking references generates random lookups, so we want to pin that btree in memory (or only a range, if it doesn't fit in ram). Previously, this was done with a simple check in the shrinker - "if btree node is in range being pinned, don't free it" - but this generated OOMs, as our shrinker wasn't well behaved if there was less memory available than expected. Instead, we now have two different shrinkers and lru lists; the second shrinker being for pinned nodes, with seeks set much higher than normal - so they can still be freed if necessary, but we'll prefer not to. Signed-off-by: Kent Overstreet fs/bcachefs/backpointers.c | 13 +-- fs/bcachefs/btree_cache.c | 164 ++++++++++++++++++++++++------------ fs/bcachefs/btree_cache.h | 3 + fs/bcachefs/btree_types.h | 21 +++-- fs/bcachefs/btree_update_interior.c | 2 +- fs/bcachefs/journal_reclaim.c | 7 +- fs/bcachefs/sysfs.c | 15 ++-- 7 files changed, 150 insertions(+), 75 deletions(-) accumulated error probability: 0.00 culprit signature: 98d2bd2d8b447ab941fa45d488d4a775ef23892bb9a0947ddffd4345bcb1edf0 parent signature: 5dff9fc27d4ad97cbf76a2a41c1dce92abf60f3845b7afe2b2e2e7fbf3822117 revisions tested: 23, total time: 6h27m52.495461321s (build: 2h41m10.221501039s, test: 3h30m19.367697258s) first bad commit: 7a51608d0125469664e2daf8e060d6d783924c98 bcachefs: Rework btree node pinning recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: UBSAN: shift-out-of-bounds in __btree_node_pinned bcachefs (loop2): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,no_splitbrain_check,fsck,fix_errors=ask,norecovery,nojournal_transaction_names,reconstruct_alloc bcachefs (loop2): recovering from clean shutdown, journal seq 10 bcachefs (loop2): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.12: rebalance_work_acct_fix running recovery passes: check_allocations bcachefs (loop2): dropping and reconstructing all alloc info invalid btree id 251 (max 63), fix? ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/bcachefs/btree_cache.c:198:18 shift exponent 251 is too large for 64-bit type 'unsigned long long' CPU: 0 UID: 0 PID: 3366 Comm: syz.2.16 Not tainted 6.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x3e/0xe0 lib/dump_stack.c:119 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x248/0x270 lib/ubsan.c:468 __btree_node_pinned+0x105/0x110 fs/bcachefs/btree_cache.c:198 __bch2_btree_node_hash_insert+0x45c/0x5e0 fs/bcachefs/btree_cache.c:270 bch2_btree_node_hash_insert+0x37/0x50 fs/bcachefs/btree_cache.c:287 __bch2_btree_root_read fs/bcachefs/btree_io.c:1743 [inline] bch2_btree_root_read+0x1bb/0x2b0 fs/bcachefs/btree_io.c:1771 read_btree_roots+0x108/0x2e0 fs/bcachefs/recovery.c:523 bch2_fs_recovery+0xfac/0x18e0 fs/bcachefs/recovery.c:851 bch2_fs_start+0x1b9/0x270 fs/bcachefs/super.c:1037 bch2_fs_get_tree+0x2b5/0x640 fs/bcachefs/fs.c:2069 vfs_get_tree+0x24/0xb0 fs/super.c:1800 do_new_mount+0x15a/0x3a0 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x148/0x1b0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc805f874ca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc806d24e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc806d24ef0 RCX: 00007fc805f874ca RDX: 0000000020000180 RSI: 0000000020000540 RDI: 00007fc806d24eb0 RBP: 0000000020000180 R08: 00007fc806d24ef0 R09: 0000000000800000 R10: 0000000000800000 R11: 0000000000000246 R12: 0000000020000540 R13: 00007fc806d24eb0 R14: 000000000000596a R15: 00000000200002c0 ---[ end trace ]---