ci starts bisection 2025-03-09 22:55:03.981605493 +0000 UTC m=+88117.236260840 bisecting cause commit starting from f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 building syzkaller on 163f510d99dcf7239e56cef53bbca39db1f2fd9b ensuring issue is reproducible on original commit f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 testing commit f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 484f55bb67df602cfd9226e77e45ae813804321ec7f4577a4b3cb4d311dfe9d6 all runs: crashed: KASAN: slab-out-of-bounds Read in atomic_ptr_type_ok representative crash: KASAN: slab-out-of-bounds Read in atomic_ptr_type_ok, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8d2a9d483744faa7a3cd5dc0a58ee598151e83928aa25005fbeef6cf0b87c150 all runs: crashed: KASAN: slab-out-of-bounds Read in do_check representative crash: KASAN: slab-out-of-bounds Read in do_check, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed kconfig minimization: base=4062 full=8263 leaves diff=2115 split chunks (needed=false): <2115> split chunk #0 of len 2115 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 f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 154bd73dea6f6ac9eed67aa3920b88fbcf3056d1034c75e5ef1c00d480ccdc6d all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3369beeb15fedb2ffdc5bd8726f6ffd25fa61bf6dd5b840abebd6259ceac4765 all runs: crashed: KASAN: slab-out-of-bounds Read in do_check representative crash: KASAN: slab-out-of-bounds Read in do_check, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f30ba0ef23438a6b662759cf5ffbc243676c493b8567c1b405c1b0128d9bfcb all runs: crashed: KASAN: slab-out-of-bounds Read in do_check representative crash: KASAN: slab-out-of-bounds Read in do_check, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a5514bbce4389246a887d6064d16e13b2dd5867ede374d4122a8d98dfa1a58d7 all runs: crashed: KASAN: slab-out-of-bounds Read in do_check representative crash: KASAN: slab-out-of-bounds Read in do_check, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a7cce345eca53ddbb6befa0d83bd099e755c7baeb1456876923a728f400b742 all runs: crashed: KASAN: slab-out-of-bounds Read in do_check representative crash: KASAN: slab-out-of-bounds Read in do_check, types: [KASAN] the chunk can be dropped minimized to 423 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 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: daf3247a43df7b282e586dfc6fea936ebd83782788b1ed1e8c978768b58074e4 all runs: OK false negative chance: 0.000 # git bisect start f28214603dc6c09b3b5e67b1ebd5ca83ad943ce3 ffd294d346d185b70e28b1a28abe367bbfe53c04 Bisecting: 5569 revisions left to test after this (roughly 13 steps) [113691ce9f321c6d3d4da0cae2bfc233403251dc] Merge tag 'x86_tdx_for_6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 113691ce9f321c6d3d4da0cae2bfc233403251dc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a4304b462d9d716ecedb49635a32a97162f5632009848acc544057f10649b4f all runs: OK false negative chance: 0.000 # git bisect good 113691ce9f321c6d3d4da0cae2bfc233403251dc Bisecting: 2778 revisions left to test after this (roughly 12 steps) [9c5968db9e625019a0ee5226c7eebef5519d366a] Merge tag 'mm-stable-2025-01-26-14-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 9c5968db9e625019a0ee5226c7eebef5519d366a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 323a84d2b981f56030f0e6b18ded5e9cf02f2b0957d527126230a39a6184bf9e all runs: OK false negative chance: 0.000 # git bisect good 9c5968db9e625019a0ee5226c7eebef5519d366a Bisecting: 1358 revisions left to test after this (roughly 11 steps) [c2933b2befe25309f4c5cfbea0ca80909735fd76] Merge tag 'net-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit c2933b2befe25309f4c5cfbea0ca80909735fd76 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0265d02db330b3658125997a3115b932b4280cf59d6d60c863a2f369809b0dc7 all runs: OK false negative chance: 0.000 # git bisect good c2933b2befe25309f4c5cfbea0ca80909735fd76 Bisecting: 676 revisions left to test after this (roughly 9 steps) [ab68d7eb7b1a64f3f4710da46cc5f93c6c154942] Merge tag 'loongarch-fixes-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson testing commit ab68d7eb7b1a64f3f4710da46cc5f93c6c154942 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 63788a3f69a2a894b160c927be620c37493c70f4639d20f27f4493156fdd97c6 all runs: OK false negative chance: 0.000 # git bisect good ab68d7eb7b1a64f3f4710da46cc5f93c6c154942 Bisecting: 337 revisions left to test after this (roughly 8 steps) [6186bdd120eccf4ca44fcba8967fc59ea50b11b8] Merge tag 'powerpc-6.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux testing commit 6186bdd120eccf4ca44fcba8967fc59ea50b11b8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f83d787d49b14722a8f16d5d3a57fa0aacab762ea7be1b625a5ed3c97abfcb4 all runs: OK false negative chance: 0.000 # git bisect good 6186bdd120eccf4ca44fcba8967fc59ea50b11b8 Bisecting: 181 revisions left to test after this (roughly 7 steps) [319fc77f8f45a1b3dba15b0cc1a869778fd222f7] Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf testing commit 319fc77f8f45a1b3dba15b0cc1a869778fd222f7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 046a88f9abd0965d736e1d201d5e02dea671a612165f5c7cb0bce59e7e95bc3c all runs: OK false negative chance: 0.000 # git bisect good 319fc77f8f45a1b3dba15b0cc1a869778fd222f7 Bisecting: 90 revisions left to test after this (roughly 7 steps) [236d3910117e9f97ebf75e511d8bcc950f1a4e5f] libbpf: Fix out-of-bound read testing commit 236d3910117e9f97ebf75e511d8bcc950f1a4e5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 097c55af6baf209552a7c2306a0a8a19d7a9df8dcf2d0f09c6e586d17fd708b1 all runs: OK false negative chance: 0.000 # git bisect good 236d3910117e9f97ebf75e511d8bcc950f1a4e5f Bisecting: 45 revisions left to test after this (roughly 6 steps) [6829f3c51baf21f4b43ed6092b261ea4c2f6b1d2] selftests/bpf: test_tunnel: Add generic_attach* helpers testing commit 6829f3c51baf21f4b43ed6092b261ea4c2f6b1d2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f3a983c97ea84903580e9d933b503d5a491b0634e8dcf670a81ba97bf9e9200b all runs: OK false negative chance: 0.000 # git bisect good 6829f3c51baf21f4b43ed6092b261ea4c2f6b1d2 Bisecting: 22 revisions left to test after this (roughly 5 steps) [1bfe7f657cf4f67e1806d0bf8921b434969cde74] bpf, arm64: Support load-acquire and store-release instructions testing commit 1bfe7f657cf4f67e1806d0bf8921b434969cde74 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 849f579143c5d9485eba559bc406967df6bfe0e53ffe51b743f4c759e54d3c4f all runs: crashed: KASAN: slab-out-of-bounds Read in do_check representative crash: KASAN: slab-out-of-bounds Read in do_check, types: [KASAN] # git bisect bad 1bfe7f657cf4f67e1806d0bf8921b434969cde74 Bisecting: 11 revisions left to test after this (roughly 4 steps) [122f1fd14f44d8d6f0113b9db8acbdd9636d45b4] net: filter: Avoid shadowing variable in bpf_convert_ctx_access() testing commit 122f1fd14f44d8d6f0113b9db8acbdd9636d45b4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 49964c672347487cf4c38c68107e719681584f295507a321a8d747bf91798282 all runs: OK false negative chance: 0.000 # git bisect good 122f1fd14f44d8d6f0113b9db8acbdd9636d45b4 Bisecting: 5 revisions left to test after this (roughly 3 steps) [13a664f46e345b7de54bce4c1adf0ae97356a414] bpf: Add verifier support for timed may_goto testing commit 13a664f46e345b7de54bce4c1adf0ae97356a414 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b7080ff2eb4d6a5a0830c05bf503025516345ea0893a64275eb5886fa4a692cd all runs: OK false negative chance: 0.000 # git bisect good 13a664f46e345b7de54bce4c1adf0ae97356a414 Bisecting: 2 revisions left to test after this (roughly 2 steps) [e24bbad29a8de70bb33c1cabc85bb40e6707572a] bpf: Introduce load-acquire and store-release instructions testing commit e24bbad29a8de70bb33c1cabc85bb40e6707572a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: afd1edd8d0a1f4d2b0b36e472718596d100ecbc168d32fccf3220c1fad6d2f59 all runs: crashed: KASAN: slab-out-of-bounds Read in do_check representative crash: KASAN: slab-out-of-bounds Read in do_check, types: [KASAN] # git bisect bad e24bbad29a8de70bb33c1cabc85bb40e6707572a Bisecting: 0 revisions left to test after this (roughly 1 step) [ad5543205aabb6107f08c0f28bd05582fd4e6e29] Merge branch 'timed-may_goto' testing commit ad5543205aabb6107f08c0f28bd05582fd4e6e29 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 353a89e62a6b09ca4623a3c471f48241ee87e1dcee4f897ad8fd295df814b620 all runs: OK false negative chance: 0.000 # git bisect good ad5543205aabb6107f08c0f28bd05582fd4e6e29 e24bbad29a8de70bb33c1cabc85bb40e6707572a is the first bad commit commit e24bbad29a8de70bb33c1cabc85bb40e6707572a Author: Peilin Ye Date: Tue Mar 4 01:06:13 2025 +0000 bpf: Introduce load-acquire and store-release instructions Introduce BPF instructions with load-acquire and store-release semantics, as discussed in [1]. Define 2 new flags: #define BPF_LOAD_ACQ 0x100 #define BPF_STORE_REL 0x110 A "load-acquire" is a BPF_STX | BPF_ATOMIC instruction with the 'imm' field set to BPF_LOAD_ACQ (0x100). Similarly, a "store-release" is a BPF_STX | BPF_ATOMIC instruction with the 'imm' field set to BPF_STORE_REL (0x110). Unlike existing atomic read-modify-write operations that only support BPF_W (32-bit) and BPF_DW (64-bit) size modifiers, load-acquires and store-releases also support BPF_B (8-bit) and BPF_H (16-bit). As an exception, however, 64-bit load-acquires/store-releases are not supported on 32-bit architectures (to fix a build error reported by the kernel test robot). An 8- or 16-bit load-acquire zero-extends the value before writing it to a 32-bit register, just like ARM64 instruction LDARH and friends. Similar to existing atomic read-modify-write operations, misaligned load-acquires/store-releases are not allowed (even if BPF_F_ANY_ALIGNMENT is set). As an example, consider the following 64-bit load-acquire BPF instruction (assuming little-endian): db 10 00 00 00 01 00 00 r0 = load_acquire((u64 *)(r1 + 0x0)) opcode (0xdb): BPF_ATOMIC | BPF_DW | BPF_STX imm (0x00000100): BPF_LOAD_ACQ Similarly, a 16-bit BPF store-release: cb 21 00 00 10 01 00 00 store_release((u16 *)(r1 + 0x0), w2) opcode (0xcb): BPF_ATOMIC | BPF_H | BPF_STX imm (0x00000110): BPF_STORE_REL In arch/{arm64,s390,x86}/net/bpf_jit_comp.c, have bpf_jit_supports_insn(..., /*in_arena=*/true) return false for the new instructions, until the corresponding JIT compiler supports them in arena. [1] https://lore.kernel.org/all/20240729183246.4110549-1-yepeilin@google.com/ Acked-by: Eduard Zingerman Acked-by: Ilya Leoshkevich Cc: kernel test robot Signed-off-by: Peilin Ye Link: https://lore.kernel.org/r/a217f46f0e445fbd573a1a024be5c6bf1d5fe716.1741049567.git.yepeilin@google.com Signed-off-by: Alexei Starovoitov arch/arm64/net/bpf_jit_comp.c | 4 +++ arch/s390/net/bpf_jit_comp.c | 14 ++++++--- arch/x86/net/bpf_jit_comp.c | 4 +++ include/linux/bpf.h | 15 ++++++++++ include/linux/filter.h | 2 ++ include/uapi/linux/bpf.h | 3 ++ kernel/bpf/core.c | 67 ++++++++++++++++++++++++++++++++++++++---- kernel/bpf/disasm.c | 12 ++++++++ kernel/bpf/verifier.c | 55 ++++++++++++++++++++++++++++++++-- tools/include/uapi/linux/bpf.h | 3 ++ 10 files changed, 166 insertions(+), 13 deletions(-) accumulated error probability: 0.00 culprit signature: afd1edd8d0a1f4d2b0b36e472718596d100ecbc168d32fccf3220c1fad6d2f59 parent signature: 353a89e62a6b09ca4623a3c471f48241ee87e1dcee4f897ad8fd295df814b620 revisions tested: 21, total time: 9h13m7.009125735s (build: 5h24m39.496995872s, test: 3h28m25.649710838s) first bad commit: e24bbad29a8de70bb33c1cabc85bb40e6707572a bpf: Introduce load-acquire and store-release instructions recipients (to): ["ast@kernel.org" "eddyz87@gmail.com" "iii@linux.ibm.com" "yepeilin@google.com"] recipients (cc): [] crash: KASAN: slab-out-of-bounds Read in do_check ================================================================== BUG: KASAN: slab-out-of-bounds in is_ctx_reg kernel/bpf/verifier.c:6173 [inline] BUG: KASAN: slab-out-of-bounds in atomic_ptr_type_ok kernel/bpf/verifier.c:6211 [inline] BUG: KASAN: slab-out-of-bounds in check_atomic_store kernel/bpf/verifier.c:7792 [inline] BUG: KASAN: slab-out-of-bounds in check_atomic kernel/bpf/verifier.c:7829 [inline] BUG: KASAN: slab-out-of-bounds in do_check+0xbe19/0xce40 kernel/bpf/verifier.c:19321 Read of size 4 at addr ffff8881013b5690 by task syz.2.16/3376 CPU: 1 UID: 0 PID: 3376 Comm: syz.2.16 Not tainted 6.14.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x108/0x280 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0x16e/0x5b0 mm/kasan/report.c:521 kasan_report+0x143/0x180 mm/kasan/report.c:634 is_ctx_reg kernel/bpf/verifier.c:6173 [inline] atomic_ptr_type_ok kernel/bpf/verifier.c:6211 [inline] check_atomic_store kernel/bpf/verifier.c:7792 [inline] check_atomic kernel/bpf/verifier.c:7829 [inline] do_check+0xbe19/0xce40 kernel/bpf/verifier.c:19321 do_check_common+0x1526/0x1e80 kernel/bpf/verifier.c:22587 do_check_main kernel/bpf/verifier.c:22678 [inline] bpf_check+0x2175/0x1d6f0 kernel/bpf/verifier.c:23508 bpf_prog_load+0x1211/0x1de0 kernel/bpf/syscall.c:2967 __sys_bpf+0x3fa/0x650 kernel/bpf/syscall.c:5811 __do_sys_bpf kernel/bpf/syscall.c:5918 [inline] __se_sys_bpf kernel/bpf/syscall.c:5916 [inline] __x64_sys_bpf+0x77/0x90 kernel/bpf/syscall.c:5916 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: 0033:0x7f37cf78d169 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:00007f37d0512038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f37cf9a5fa0 RCX: 00007f37cf78d169 RDX: 0000000000000094 RSI: 00004000000009c0 RDI: 0000000000000005 RBP: 00007f37cf80e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f37cf9a5fa0 R15: 00007ffc9bce29b8 Allocated by task 3376: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x238/0x430 mm/slub.c:4325 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] do_check_common+0x1d5/0x1e80 kernel/bpf/verifier.c:22486 do_check_main kernel/bpf/verifier.c:22678 [inline] bpf_check+0x2175/0x1d6f0 kernel/bpf/verifier.c:23508 bpf_prog_load+0x1211/0x1de0 kernel/bpf/syscall.c:2967 __sys_bpf+0x3fa/0x650 kernel/bpf/syscall.c:5811 __do_sys_bpf kernel/bpf/syscall.c:5918 [inline] __se_sys_bpf kernel/bpf/syscall.c:5916 [inline] __x64_sys_bpf+0x77/0x90 kernel/bpf/syscall.c:5916 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 The buggy address belongs to the object at ffff8881013b5000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 312 bytes to the right of allocated 1368-byte region [ffff8881013b5000, ffff8881013b5558) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1013b0 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x100000000000040(head|node=0|zone=2) page_type: f5(slab) raw: 0100000000000040 ffff888100042000 ffffea0005c9b600 dead000000000002 raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000 head: 0100000000000040 ffff888100042000 ffffea0005c9b600 dead000000000002 head: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000 head: 0100000000000003 ffffea000404ec01 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3190056249, free_ts 0 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x108/0x120 mm/page_alloc.c:1585 prep_new_page mm/page_alloc.c:1593 [inline] get_page_from_freelist+0x4a33/0x4c60 mm/page_alloc.c:3538 __alloc_frozen_pages_noprof+0x256/0x650 mm/page_alloc.c:4805 alloc_pages_mpol+0x224/0x4e0 mm/mempolicy.c:2270 alloc_slab_page mm/slub.c:2423 [inline] allocate_slab+0x8b/0x350 mm/slub.c:2587 new_slab mm/slub.c:2640 [inline] ___slab_alloc+0x9f6/0x1130 mm/slub.c:3826 __slab_alloc mm/slub.c:3916 [inline] __slab_alloc_node mm/slub.c:3991 [inline] slab_alloc_node mm/slub.c:4152 [inline] __kmalloc_cache_noprof+0x299/0x430 mm/slub.c:4320 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] acpi_ds_create_walk_state+0xf2/0x280 drivers/acpi/acpica/dswstate.c:518 acpi_ps_execute_method+0x247/0x770 drivers/acpi/acpica/psxface.c:134 acpi_ns_evaluate+0x5c8/0x8c0 drivers/acpi/acpica/nseval.c:205 acpi_ut_evaluate_object+0x147/0x3d0 drivers/acpi/acpica/uteval.c:60 acpi_rs_get_method_data+0xa8/0x130 drivers/acpi/acpica/rsutils.c:650 acpi_walk_resources+0x143/0x540 drivers/acpi/acpica/rsxface.c:616 acpi_pci_link_get_current+0x1e9/0x4a0 drivers/acpi/pci_link.c:256 acpi_pci_link_set+0x5f6/0x9e0 drivers/acpi/pci_link.c:362 acpi_pci_link_allocate drivers/acpi/pci_link.c:584 [inline] acpi_pci_link_allocate_irq+0x9b0/0x1180 drivers/acpi/pci_link.c:630 page_owner free stack trace missing Memory state around the buggy address: ffff8881013b5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881013b5600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881013b5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff8881013b5700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881013b5780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================