ci starts bisection 2025-07-05 06:01:19.720015366 +0000 UTC m=+174.890749930 bisecting cause commit starting from cce3fee729ee18caa03bade7f4c360343e863bb1 building syzkaller on ffe4b334cb3673050f6078356393ce4b76adfc54 ensuring issue is reproducible on original commit cce3fee729ee18caa03bade7f4c360343e863bb1 testing commit cce3fee729ee18caa03bade7f4c360343e863bb1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 9f45cd7183cddc8881a463534a9f0a2c4b8ca3fa38b53967395ccfb6a152c243 all runs: crashed: WARNING in reg_bounds_sanity_check representative crash: WARNING in reg_bounds_sanity_check, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit cce3fee729ee18caa03bade7f4c360343e863bb1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: eff364e8e249217ae2f1c71a10cef7f1fdfe983e20f2737ff93b045ac1a98d86 all runs: crashed: WARNING in reg_bounds_sanity_check representative crash: WARNING in reg_bounds_sanity_check, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed kconfig minimization: base=4095 full=8363 leaves diff=2126 split chunks (needed=false): <2126> split chunk #0 of len 2126 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit cce3fee729ee18caa03bade7f4c360343e863bb1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 134b630e8b63d4ee181ebbc9a6d0ffe3b6c146efe463ce336f1898f96ccc115b all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit cce3fee729ee18caa03bade7f4c360343e863bb1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 0a31002f85c9f8244df93f833dc2f912f159110bdbe0e5a395099cdead362087 all runs: crashed: WARNING in reg_bounds_sanity_check representative crash: WARNING in reg_bounds_sanity_check, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit cce3fee729ee18caa03bade7f4c360343e863bb1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: b17f06801558d38538be11f5783c0f2b591434c454793a0560ee364384d98865 all runs: crashed: WARNING in reg_bounds_sanity_check representative crash: WARNING in reg_bounds_sanity_check, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed testing commit cce3fee729ee18caa03bade7f4c360343e863bb1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: a24aa274b13ec1d0a6baa7559548f01fec92ac99cf833ca3a84a7dfdea903cee all runs: crashed: WARNING in reg_bounds_sanity_check representative crash: WARNING in reg_bounds_sanity_check, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed testing commit cce3fee729ee18caa03bade7f4c360343e863bb1 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: a5e843129f6deec9595c7198468fa6add8fb8a6022c1bd1c0d6983244b446931 all runs: crashed: WARNING in reg_bounds_sanity_check representative crash: WARNING in reg_bounds_sanity_check, types: [WARNING] the chunk can be dropped minimized to 426 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_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_CRC32 ARCH_HAS_CRC64 ARCH_HAS_CRC_T10DIF 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 CRC64 CRC64_ARCH CRC8 CRC_CCITT 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_CRC32C 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_HKDF CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_KRB5 CRYPTO_KRB5ENC CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_CURVE25519_INTERNAL CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_SM3 CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT 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_SHA512_SSSE3 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 DEBUG_VFS 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_HELPER DRM_FBDEV_EMULATION 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 ZONE_DEVICE] disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed picked [v6.15 v6.14 v6.13 v6.11 v6.9 v6.7 v6.5 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 38 release tags testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: c5326d6bd0e4e42266407c5e850bdb4e54c57aec4a4de55dbfc032ff37f19098 all runs: OK false negative chance: 0.000 # git bisect start cce3fee729ee18caa03bade7f4c360343e863bb1 0ff41df1cb268fc69e703a08a57ee14ae967d0ca Bisecting: 7047 revisions left to test after this (roughly 13 steps) [1b98f357dadd6ea613a435fbaef1a5dd7b35fd21] Merge tag 'net-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 9c2db3d96e1d525eb43d806fa6e28c486b071fb82748b98f2dd8f98d46143081 all runs: OK false negative chance: 0.000 # git bisect good 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 Bisecting: 3539 revisions left to test after this (roughly 12 steps) [fe4281644c62ce9385d3b9165e27d6c86ae0a845] Merge tag 'gfs2-for-6.16-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit fe4281644c62ce9385d3b9165e27d6c86ae0a845 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 285402985647df4c62f14fbc2317f34a534d75b679ec1775ad995189ce02b898 all runs: OK false negative chance: 0.000 # git bisect good fe4281644c62ce9385d3b9165e27d6c86ae0a845 Bisecting: 1877 revisions left to test after this (roughly 11 steps) [a100922a3855eb35ecd465f1d558546b1e144445] Merge tag 'staging-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit a100922a3855eb35ecd465f1d558546b1e144445 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: db610dfbaa0360059ec4055ddb3f622e88dba3e1b1b9067e1d4e05d1e12cd43e all runs: OK false negative chance: 0.000 # git bisect good a100922a3855eb35ecd465f1d558546b1e144445 Bisecting: 946 revisions left to test after this (roughly 10 steps) [b3154a6ff1f53b794c01096577700f35b1be9cc2] Merge tag 'sh-for-v6.16-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux testing commit b3154a6ff1f53b794c01096577700f35b1be9cc2 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 941c51f7bcd7b0a12b49667fa2dfc515b6feb7c6298dd069063c8303a362a3cc all runs: OK false negative chance: 0.000 # git bisect good b3154a6ff1f53b794c01096577700f35b1be9cc2 Bisecting: 457 revisions left to test after this (roughly 9 steps) [5c8013ae2e86ec36b07500ba4cacb14ab4d6f728] Merge tag 'net-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 5c8013ae2e86ec36b07500ba4cacb14ab4d6f728 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 603dae27f8e14392158dbe1880aaaeaff065bd7cbb99aff6e8da6e4524bd017b all runs: OK false negative chance: 0.000 # git bisect good 5c8013ae2e86ec36b07500ba4cacb14ab4d6f728 Bisecting: 232 revisions left to test after this (roughly 8 steps) [2d65fc13be85c336c56af7077f08ccd3a3a15a4a] um: vector: Reduce stack usage in vector_eth_configure() testing commit 2d65fc13be85c336c56af7077f08ccd3a3a15a4a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 55e26b769fdd8c87ea77327faa273e4f271abfff8df6eb5f784e21cec84bfd60 all runs: OK false negative chance: 0.000 # git bisect good 2d65fc13be85c336c56af7077f08ccd3a3a15a4a Bisecting: 120 revisions left to test after this (roughly 7 steps) [e34a79b96ab9d49ed8b605fee11099cf3efbb428] Merge tag 'net-6.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit e34a79b96ab9d49ed8b605fee11099cf3efbb428 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: c27ec0c0b90546946162109e6b59d7f5d7f434d6d37a3c8e4888671d1c995295 all runs: OK false negative chance: 0.000 # git bisect good e34a79b96ab9d49ed8b605fee11099cf3efbb428 Bisecting: 60 revisions left to test after this (roughly 6 steps) [96fcf7e7a71c2b21c002e9ba9362d88f8beac09a] selftests/bpf: Fix two net related test failures with 64K page size testing commit 96fcf7e7a71c2b21c002e9ba9362d88f8beac09a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 345121fbbf2203969275fcca9c8c0c93ac316dbc6d6ed4690b8703f73906d8a6 all runs: OK false negative chance: 0.000 # git bisect good 96fcf7e7a71c2b21c002e9ba9362d88f8beac09a Bisecting: 30 revisions left to test after this (roughly 5 steps) [0967f5399b64aafb0bff1e76bca45446a3e1b6af] Merge branch 'range-tracking-for-bpf_neg' testing commit 0967f5399b64aafb0bff1e76bca45446a3e1b6af gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: ccc655c30fa95c2629205b3ff7114d0dbc2c0452aff7d34b2eacfb6a0d22d7ea all runs: OK false negative chance: 0.000 # git bisect good 0967f5399b64aafb0bff1e76bca45446a3e1b6af Bisecting: 15 revisions left to test after this (roughly 4 steps) [6def0822d211df4bfb3276eac42f541dc9cc9fb8] Merge branch 'support-array-presets-in-veristat' testing commit 6def0822d211df4bfb3276eac42f541dc9cc9fb8 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 12ab0b98aaff2bb26aeb0ee81bd400e96f853d4300dd067b3a3c84a47ab41595 all runs: OK false negative chance: 0.000 # git bisect good 6def0822d211df4bfb3276eac42f541dc9cc9fb8 Bisecting: 7 revisions left to test after this (roughly 3 steps) [a5a7b25d7535ce5d8db0c121ef588bc6ca3a39dc] bpf: guard BTF_ID_FLAGS(bpf_cgroup_read_xattr) with CONFIG_BPF_LSM testing commit a5a7b25d7535ce5d8db0c121ef588bc6ca3a39dc gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: f6a5b382a4100b3d571ed4bc781d6488fe5f4b550469b2c266495a458a7d3a91 all runs: OK false negative chance: 0.000 # git bisect good a5a7b25d7535ce5d8db0c121ef588bc6ca3a39dc Bisecting: 3 revisions left to test after this (roughly 2 steps) [b2268d550d20ff860bddfe3a91b1aec00414689a] s390/bpf: Centralize frame offset calculations testing commit b2268d550d20ff860bddfe3a91b1aec00414689a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: ee5e8995f4d7c2f05d2ee5b6a88efe2ca8c1a3962ac5db4ab81faa08580df91b all runs: OK false negative chance: 0.000 # git bisect good b2268d550d20ff860bddfe3a91b1aec00414689a Bisecting: 1 revision left to test after this (roughly 1 step) [26d0e5324677dc0acce4c0fda52316154a1d689e] Merge branch 's390-bpf-describe-the-frame-using-a-struct-instead-of-constants' testing commit 26d0e5324677dc0acce4c0fda52316154a1d689e gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 568afc5c2c919bb4feda0eddf25e37b08dcf22f53caed07011915dae997af9dc all runs: OK false negative chance: 0.000 # git bisect good 26d0e5324677dc0acce4c0fda52316154a1d689e Bisecting: 0 revisions left to test after this (roughly 0 steps) [0df1a55afa832f463f9ad68ddc5de92230f1bc8a] bpf: Warn on internal verifier errors testing commit 0df1a55afa832f463f9ad68ddc5de92230f1bc8a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 7d10f7edc81f5573a425dcf5a6461dc33d7d3bdbef28a38dc29bbd7faf89ed78 all runs: crashed: WARNING in reg_bounds_sanity_check representative crash: WARNING in reg_bounds_sanity_check, types: [WARNING] # git bisect bad 0df1a55afa832f463f9ad68ddc5de92230f1bc8a 0df1a55afa832f463f9ad68ddc5de92230f1bc8a is the first bad commit commit 0df1a55afa832f463f9ad68ddc5de92230f1bc8a Author: Paul Chaignon Date: Tue Jul 1 20:36:15 2025 +0200 bpf: Warn on internal verifier errors This patch is a follow up to commit 1cb0f56d9618 ("bpf: WARN_ONCE on verifier bugs"). It generalizes the use of verifier_error throughout the verifier, in particular for logs previously marked "verifier internal error". As a consequence, all of those verifier bugs will now come with a kernel warning (under CONFIG_DBEUG_KERNEL) detectable by fuzzers. While at it, some error messages that were too generic (ex., "bpf verifier is misconfigured") have been reworded. Signed-off-by: Paul Chaignon Link: https://lore.kernel.org/r/aGQqnzMyeagzgkCK@Tunnel Signed-off-by: Alexei Starovoitov kernel/bpf/verifier.c | 211 ++++++++++++++++++++++++-------------------------- 1 file changed, 102 insertions(+), 109 deletions(-) accumulated error probability: 0.00 culprit signature: 7d10f7edc81f5573a425dcf5a6461dc33d7d3bdbef28a38dc29bbd7faf89ed78 parent signature: 568afc5c2c919bb4feda0eddf25e37b08dcf22f53caed07011915dae997af9dc revisions tested: 22, total time: 10h0m5.35577228s (build: 4h41m2.413182994s, test: 2h43m38.937243647s) first bad commit: 0df1a55afa832f463f9ad68ddc5de92230f1bc8a bpf: Warn on internal verifier errors recipients (to): ["ast@kernel.org" "ast@kernel.org" "bpf@vger.kernel.org" "daniel@iogearbox.net" "paul.chaignon@gmail.com"] recipients (cc): ["andrii@kernel.org" "eddyz87@gmail.com" "haoluo@google.com" "john.fastabend@gmail.com" "jolsa@kernel.org" "kpsingh@kernel.org" "linux-kernel@vger.kernel.org" "martin.lau@linux.dev" "sdf@fomichev.me" "song@kernel.org" "yonghong.song@linux.dev"] crash: WARNING in reg_bounds_sanity_check ------------[ cut here ]------------ verifier bug: REG INVARIANTS VIOLATION (false_reg1): range bounds violation u64=[0x0, 0x0] s64=[0x0, 0x0] u32=[0x1, 0x0] s32=[0x0, 0x0] var_off=(0x0, 0x0)(1) WARNING: CPU: 0 PID: 3352 at kernel/bpf/verifier.c:2688 reg_bounds_sanity_check+0x1dc/0x1f0 kernel/bpf/verifier.c:2682 Modules linked in: CPU: 0 UID: 0 PID: 3352 Comm: syz.2.16 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:reg_bounds_sanity_check+0x1dc/0x1f0 kernel/bpf/verifier.c:2682 Code: d7 48 89 ca 49 89 cc 48 89 c1 ff 73 20 ff 73 18 55 41 55 41 53 41 52 ff 73 30 e8 5f 16 ce ff 4c 89 e1 4c 89 fa 48 83 c4 38 90 <0f> 0b 90 90 e9 6d fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 RSP: 0018:ffffc900038078c8 EFLAGS: 00010282 RAX: 3207c83cf2aea000 RBX: ffff88810bfe6000 RCX: ffffffff839e1e37 RDX: ffffffff839bcda4 RSI: 00000000ffffdfff RDI: 00000000ffffffff RBP: 0000000000000000 R08: 0000000000001fff R09: ffffffff83ca2470 R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffffffff839e1e37 R13: 0000000000000000 R14: ffff88810bf10000 R15: ffffffff839bcda4 FS: 00007f69c94896c0(0000) GS:ffff8882b2f2c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f69c85182f0 CR3: 0000000106f00000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reg_set_min_max+0x178/0x1b0 kernel/bpf/verifier.c:16262 check_cond_jmp_op+0x78a/0xa70 kernel/bpf/verifier.c:-1 do_check_insn kernel/bpf/verifier.c:19882 [inline] do_check+0x1d2e/0x3030 kernel/bpf/verifier.c:20017 do_check_common+0x319/0x820 kernel/bpf/verifier.c:23180 do_check_main kernel/bpf/verifier.c:23263 [inline] bpf_check+0xf6d/0x52d0 kernel/bpf/verifier.c:24619 bpf_prog_load+0x65c/0x700 kernel/bpf/syscall.c:2972 __sys_bpf+0x3f4/0x590 kernel/bpf/syscall.c:5978 __do_sys_bpf kernel/bpf/syscall.c:6085 [inline] __se_sys_bpf kernel/bpf/syscall.c:6083 [inline] __x64_sys_bpf+0x17/0x20 kernel/bpf/syscall.c:6083 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0x2f0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f69c858e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f69c9489038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f69c87b5fa0 RCX: 00007f69c858e929 RDX: 0000000000000045 RSI: 00002000002a0fb8 RDI: 0000000000000005 RBP: 00007f69c8610b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f69c87b5fa0 R15: 00007ffd586d6ef8