ci starts bisection 2024-12-10 09:46:10.181065709 +0000 UTC m=+27613.036477698 bisecting cause commit starting from e58b4771af2bf47ed533448457ee5cfb7eb284c6 building syzkaller on cfc402b4e65a6aab3a2555765bda8dc12c99a348 ensuring issue is reproducible on original commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 testing commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 530b2d63ae8bef5e7c69fd3f6cc39311b1704b6459e30063be218ee511d4224d all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64f088af1ec7a121deb4277da1c2b44de69c457ba3068b2f3e0c4773c2624c81 all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=4045 full=8242 leaves diff=2124 split chunks (needed=false): <2124> split chunk #0 of len 2124 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: da313dfd4fefa71c38c1a9eb33416b2c9373ff77bdb1fd9c11a688264c4fde61 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7a08e6f87dfc567f6186bf371bba0ee96e89cb01505c0db1bf93fe8f2042be6f all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e46c4527bd8b0366a1bca6050e12dda60592b8d93a0d2a1294a9794dae4b98ba all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f1abff5a54f687a305124044821b4a6d7bda580f0f844fa812a5c523d6026978 all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit e58b4771af2bf47ed533448457ee5cfb7eb284c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0037e09905e8b70629da80387e022a72436cce29305d6784006979e7d12f6c4a all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], 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: d39f7e21fbf6b037957ab6686ae4bc54c5566d44b2c2d327c17f53482e773242 run #0: ignore: lost connection to test machine 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 false negative chance: 0.000 # git bisect start e58b4771af2bf47ed533448457ee5cfb7eb284c6 adc218676eef25575469234709c2d87185ca223a Bisecting: 6343 revisions left to test after this (roughly 13 steps) [071b34dcf71523a559b6c39f5d21a268a9531b50] Merge tag 'sound-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 071b34dcf71523a559b6c39f5d21a268a9531b50 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 021f88018e242567e6858803de390cdea7a3f3499998ddc4f6991606f4b28d32 all runs: OK false negative chance: 0.000 # git bisect good 071b34dcf71523a559b6c39f5d21a268a9531b50 Bisecting: 3167 revisions left to test after this (roughly 12 steps) [70dbb12e95ec7585c68cb3ceae971688915021e3] Merge tag 'i2c-for-6.13-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux testing commit 70dbb12e95ec7585c68cb3ceae971688915021e3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 836baa34536e37c858cc8575508ea1f69deda7acc098650d16196728dfc49848 all runs: OK false negative chance: 0.000 # git bisect good 70dbb12e95ec7585c68cb3ceae971688915021e3 Bisecting: 1556 revisions left to test after this (roughly 11 steps) [e33a6d83e1786d5e310ae746c67f5f4e2f93ba35] Merge tag 'usb-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit e33a6d83e1786d5e310ae746c67f5f4e2f93ba35 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfc4325de84df957ae88f24a639114cea1fea706c64041d7e9d962756882dbe8 all runs: OK false negative chance: 0.000 # git bisect good e33a6d83e1786d5e310ae746c67f5f4e2f93ba35 Bisecting: 796 revisions left to test after this (roughly 10 steps) [2ba9f676d0a2e408aef14d679984c26373bf37b7] Merge tag 'drm-next-2024-11-29' of https://gitlab.freedesktop.org/drm/kernel testing commit 2ba9f676d0a2e408aef14d679984c26373bf37b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1aa6924a375d1c9fb4a314531cf468fe42024708d573c0050aa7a48ee4a8a6aa all runs: OK false negative chance: 0.000 # git bisect good 2ba9f676d0a2e408aef14d679984c26373bf37b7 Bisecting: 384 revisions left to test after this (roughly 9 steps) [cfd47302ac64b595beb0a67a337b81942146448a] Merge tag 'block-6.13-20242901' of git://git.kernel.dk/linux testing commit cfd47302ac64b595beb0a67a337b81942146448a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3db684f6798757d0b0613ed77547de9987c12dd700f68dd3dfdd56672acb3b25 run #0: ignore: lost connection to test machine 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 false negative chance: 0.000 # git bisect good cfd47302ac64b595beb0a67a337b81942146448a Bisecting: 161 revisions left to test after this (roughly 8 steps) [896d8946da97332d4dc80fa1937d8dd6b1c35ad4] Merge tag 'net-6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 896d8946da97332d4dc80fa1937d8dd6b1c35ad4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 259eb7e663781c886892ab74ac83a90156ec1ea61bd41a598cb3d1349ba8f559 all runs: OK false negative chance: 0.000 # git bisect good 896d8946da97332d4dc80fa1937d8dd6b1c35ad4 Bisecting: 80 revisions left to test after this (roughly 6 steps) [77586156b517c1d38a22c0a8662fe9401ab0f580] net: usb: lan78xx: Add error handling to lan78xx_init_ltm testing commit 77586156b517c1d38a22c0a8662fe9401ab0f580 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 411f73d11c31924e12f3d51700fb4b366967c4a4757e0fd252fc551d0775e42e run #0: ignore: lost connection to test machine run #1: ignore: lost connection to test machine run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 77586156b517c1d38a22c0a8662fe9401ab0f580 Bisecting: 40 revisions left to test after this (roughly 5 steps) [cd69a07b6d186eeb7df20d8bcbef18d7bbd84c4b] rxrpc: Fix injection of packet loss testing commit cd69a07b6d186eeb7df20d8bcbef18d7bbd84c4b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d75633bdaf096440b867b2bf6b3a3b32f21df7a91e4d8c8278b34b6de26b2f5 run #0: ignore: lost connection to test machine 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 false negative chance: 0.000 # git bisect good cd69a07b6d186eeb7df20d8bcbef18d7bbd84c4b Bisecting: 20 revisions left to test after this (roughly 4 steps) [547a9acd4c5e95190c6c93a6d8628c5b8b74a4d6] rxrpc: Tidy up the ACK parsing a bit testing commit 547a9acd4c5e95190c6c93a6d8628c5b8b74a4d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69e08212a8f47cdf7cf61ec4b2da31aea102da6a6d92e1a3ee71eaf5c3689c80 all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] # git bisect bad 547a9acd4c5e95190c6c93a6d8628c5b8b74a4d6 Bisecting: 9 revisions left to test after this (roughly 3 steps) [dcdff0d8e3b61033b28c72926997d458949fcc05] rxrpc: Store the DATA serial in the txqueue and use this in RTT calc testing commit dcdff0d8e3b61033b28c72926997d458949fcc05 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 647a7f0fc3a3e09e5a06ab6d6a49deaea2d080187f2a68e2a4f6ce8105d22c4b all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] # git bisect bad dcdff0d8e3b61033b28c72926997d458949fcc05 Bisecting: 4 revisions left to test after this (roughly 2 steps) [692c4caa074c0d6092bd713babc6fc3872b5592a] rxrpc: call->acks_hard_ack is now the same call->tx_bottom, so remove it testing commit 692c4caa074c0d6092bd713babc6fc3872b5592a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 989f3f65e69d10618db99d02b60a518ee831b7c989c43f11a6385092da45b297 all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] # git bisect bad 692c4caa074c0d6092bd713babc6fc3872b5592a Bisecting: 2 revisions left to test after this (roughly 1 step) [976b0ca5aae741ef33f4cf4079a9a026331eae88] rxrpc: Timestamp DATA packets before transmitting them testing commit 976b0ca5aae741ef33f4cf4079a9a026331eae88 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0b7ae1f1862eb01ede706874b5f9f18578306db7888360bb2754beccdb59fc3 all runs: OK false negative chance: 0.000 # git bisect good 976b0ca5aae741ef33f4cf4079a9a026331eae88 Bisecting: 0 revisions left to test after this (roughly 1 step) [b341a0263b1b804d329f864c2dc24815364510ec] rxrpc: Implement progressive transmission queue struct testing commit b341a0263b1b804d329f864c2dc24815364510ec gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dd40411ff6a8eb688296cdaf4547d3a49a935661c413fc864a531d8972fbaa3e all runs: crashed: WARNING in rxrpc_send_data representative crash: WARNING in rxrpc_send_data, types: [WARNING] # git bisect bad b341a0263b1b804d329f864c2dc24815364510ec Bisecting: 0 revisions left to test after this (roughly 0 steps) [6396b48ac0a77165f9c2c40ab03d6c8188c89739] rxrpc: Don't need barrier for ->tx_bottom and ->acks_hard_ack testing commit 6396b48ac0a77165f9c2c40ab03d6c8188c89739 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bdd9f519153488b0c095cc3a72bdf27aec8b327b27ed31d1fc52982e748d20ed all runs: OK false negative chance: 0.000 # git bisect good 6396b48ac0a77165f9c2c40ab03d6c8188c89739 b341a0263b1b804d329f864c2dc24815364510ec is the first bad commit commit b341a0263b1b804d329f864c2dc24815364510ec Author: David Howells Date: Wed Dec 4 07:46:46 2024 +0000 rxrpc: Implement progressive transmission queue struct We need to scan the buffers in the transmission queue occasionally when processing ACKs, but the transmission queue is currently a linked list of transmission buffers which, when we eventually expand the Tx window to 8192 packets will be very slow to walk. Instead, pull the fields we need to examine a lot (last sent time, retransmitted flag) into a new struct rxrpc_txqueue and make each one hold an array of 32 or 64 packets. The transmission queue is then a list of these structs, each pointing to a contiguous set of packets. Scanning is then a lot faster as the flags and timestamps are concentrated in the CPU dcache. The transmission timestamps are stored as a number of microseconds from a base ktime to reduce memory requirements. This should be fine provided we manage to transmit an entire buffer within an hour. This will make implementing RACK-TLP [RFC8985] easier as it will be less costly to scan the transmission buffers. Signed-off-by: David Howells cc: Marc Dionne cc: linux-afs@lists.infradead.org Link: https://patch.msgid.link/20241204074710.990092-19-dhowells@redhat.com Signed-off-by: Jakub Kicinski include/trace/events/rxrpc.h | 98 +++++++++++++++++---- net/rxrpc/ar-internal.h | 47 ++++++++-- net/rxrpc/call_event.c | 204 +++++++++++++++++++++++++++---------------- net/rxrpc/call_object.c | 38 ++++---- net/rxrpc/input.c | 72 +++++++++++---- net/rxrpc/output.c | 163 +++++++++++++++++----------------- net/rxrpc/sendmsg.c | 69 ++++++++++++--- net/rxrpc/txbuf.c | 41 +-------- 8 files changed, 467 insertions(+), 265 deletions(-) accumulated error probability: 0.00 culprit signature: dd40411ff6a8eb688296cdaf4547d3a49a935661c413fc864a531d8972fbaa3e parent signature: bdd9f519153488b0c095cc3a72bdf27aec8b327b27ed31d1fc52982e748d20ed revisions tested: 22, total time: 4h57m4.419366113s (build: 2h11m21.338666783s, test: 2h22m12.78249574s) first bad commit: b341a0263b1b804d329f864c2dc24815364510ec rxrpc: Implement progressive transmission queue struct recipients (to): ["davem@davemloft.net" "dhowells@redhat.com" "edumazet@google.com" "kuba@kernel.org" "kuba@kernel.org" "linux-trace-kernel@vger.kernel.org" "mhiramat@kernel.org" "netdev@vger.kernel.org" "pabeni@redhat.com" "rostedt@goodmis.org"] recipients (cc): ["dhowells@redhat.com" "horms@kernel.org" "linux-afs@lists.infradead.org" "linux-kernel@vger.kernel.org" "marc.dionne@auristor.com" "mathieu.desnoyers@efficios.com"] crash: WARNING in rxrpc_send_data ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3587 at net/rxrpc/sendmsg.c:298 rxrpc_alloc_txqueue net/rxrpc/sendmsg.c:298 [inline] WARNING: CPU: 1 PID: 3587 at net/rxrpc/sendmsg.c:298 rxrpc_send_data+0xa13/0xa50 net/rxrpc/sendmsg.c:389 Modules linked in: CPU: 1 UID: 0 PID: 3587 Comm: syz.2.88 Not tainted 6.13.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:rxrpc_alloc_txqueue net/rxrpc/sendmsg.c:298 [inline] RIP: 0010:rxrpc_send_data+0xa13/0xa50 net/rxrpc/sendmsg.c:389 Code: ff ff ff e9 6a ff ff ff 48 b8 ff ff ff ff ff ff ff 7f 48 39 c5 b8 00 fe ff ff 41 bc fc ff ff ff 44 0f 44 e0 e9 1a ff ff ff 90 <0f> 0b 90 48 89 df e8 32 d3 8c fe e9 09 ff ff ff 41 89 c0 48 c7 c7 RSP: 0018:ffffc9000307bb10 EFLAGS: 00010286 RAX: ffff88817201a588 RBX: ffff88810f314c00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffff88810f314f40 RBP: ffff88817201a540 R08: 0000000000000dc0 R09: 0000000000000000 R10: ffff88810f314e40 R11: 0000000000000000 R12: 00000000fffffff4 R13: ffff888108320e00 R14: ffffc9000307bd50 R15: ffff88817201a1c0 FS: 00007f644e2456c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f644d3098f0 CR3: 0000000103f98000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxrpc_do_sendmsg+0x5eb/0x620 net/rxrpc/sendmsg.c:762 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x8e/0xb0 net/socket.c:726 ____sys_sendmsg+0x1a4/0x200 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x2cd/0x320 net/socket.c:2669 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x220 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f644d37ff19 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:00007f644e245058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f644d545fa0 RCX: 00007f644d37ff19 RDX: 0000000000008880 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f644d3f3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f644d545fa0 R15: 00007ffcc0fca728