ci2 starts bisection 2024-05-14 09:47:16.944614816 +0000 UTC m=+35884.665762832 bisecting fixing commit since b925f60c6ee7ec871d2d48575d0fde3872129c20 building syzkaller on baa80228d652d8b1341ecf7f1411c4e4caf75bd5 ensuring issue is reproducible on original commit b925f60c6ee7ec871d2d48575d0fde3872129c20 testing commit b925f60c6ee7ec871d2d48575d0fde3872129c20 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 866a89748054c22d8dbee4c9b32672fe75eb0dba3e9ef06234e06eaf0d1885ec all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit b925f60c6ee7ec871d2d48575d0fde3872129c20 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 56a57f49c7a2c0b3884762f432481708c919acfe1f40042cca352c9b302984c1 all runs: OK false negative chance: 0.000 kconfig minimization: base=3703 full=7262 leaves diff=1980 split chunks (needed=false): <1980> split chunk #0 of len 1980 into 5 parts testing without sub-chunk 1/5 testing commit b925f60c6ee7ec871d2d48575d0fde3872129c20 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d93224390776bf53e782084bebaa21bd445150aaf1039634c37131f93fda129 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 testing commit b925f60c6ee7ec871d2d48575d0fde3872129c20 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 398acf94f68be428d67cc20d392d5bc1be700e515adcce0ce4ab9e941c1234da all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 testing commit b925f60c6ee7ec871d2d48575d0fde3872129c20 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e6fee3e5778cbe6c459d8a61a1a1e5cb56e213febb817a6e0183ee5cc1360dc all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 testing commit b925f60c6ee7ec871d2d48575d0fde3872129c20 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4ee1b725f3dcce6ca466eb858fbbf3458a9b93c1086ebb7f8755c84c09b32b32 all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 testing commit b925f60c6ee7ec871d2d48575d0fde3872129c20 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad5afdb086c8b2e97a531b876088c5ddb1759c1b6fcad79306d1aa0ac408e694 all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] the chunk can be dropped minimized to 396 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_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMIGA_PARTITION ANDROID ANDROID_BINDERFS ANDROID_BINDER_IPC AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_CPU_FINALIZE_INIT ASHMEM ASM_MODVERSIONS ASN1_ENCODER 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_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG 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 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 BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP BLK_CGROUP_IOCOST BLK_CGROUP_IOLATENCY BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_CRYPTOLOOP BLK_DEV_INITRD BLK_DEV_INTEGRITY BLK_DEV_INTEGRITY_T10 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_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_RDMA BLK_RQ_ALLOC_TIME BLK_WBT BLK_WBT_MQ BONDING 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_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_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK 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_HIDP BT_HS BT_INTEL BT_LE BT_LEDS BT_MSFTEXT 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_USB2 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_PEAK_USB CAN_RAW CAN_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE 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 CGROUP_DEVICE CGROUP_HUGETLB CGROUP_NET_CLASSID CGROUP_NET_PRIO CGROUP_PERF CGROUP_RDMA CGROUP_WRITEBACK CHARGER_BQ24190 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 CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MBYTES 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 CRC7 CRC_ITU_T CRC_T10DIF 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_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_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL 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_ECB CRYPTO_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_KEYWRAP 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_LIB_SM4 CRYPTO_LRW CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 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_SHA3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM2 CRYPTO_SM3 CRYPTO_SM4 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_XCBC CRYPTO_XTS CRYPTO_XXHASH CUSE CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_VADDR DAX DCA DCB DEBUG_PREEMPT DEFAULT_PFIFO_FAST DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DEV_PAGEMAP_OPS DIMLIB DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID 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_BOCHS DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DP_AUX_CHARDEV DRM_GEM_SHMEM_HELPER DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED PREEMPTION RFKILL SERIAL_DEV_BUS STAGING TCG_TPM TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32 ZONE_DEVICE] determining the merge base between b925f60c6ee7ec871d2d48575d0fde3872129c20 and a5131c3fdf2608f1c15f3809e201cf540eb28489 8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 996394a5728e6fb7967b7efef5523cad071f328aaa37a98334d8fb0aa0bc1a8b all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] testing current HEAD a5131c3fdf2608f1c15f3809e201cf540eb28489 testing commit a5131c3fdf2608f1c15f3809e201cf540eb28489 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 51c6ddb639e9f0a116e49b38e52da78de3663b9df4521431dd3e6c62e794c478 all runs: OK false negative chance: 0.000 # git bisect start a5131c3fdf2608f1c15f3809e201cf540eb28489 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 111932 revisions left to test after this (roughly 17 steps) [de4287336794f49323a5223c8b6e131f4840a866] Daniel Borkmann says: determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit de4287336794f49323a5223c8b6e131f4840a866 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d46b2d6c5cfb3c1fbb306f2814808fae7c766936f1c086e93792d743d3fdcbc2 all runs: OK false negative chance: 0.000 # git bisect bad de4287336794f49323a5223c8b6e131f4840a866 Bisecting: 55992 revisions left to test after this (roughly 16 steps) [6f664045c8688c40ad0591abd6ab89db9ecd7945] Merge tag 'mm-nonmm-stable-2022-05-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 6f664045c8688c40ad0591abd6ab89db9ecd7945 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e718abd95411931cbb742724b335d22cebcdc9ad2aa6f7c25944be71fbee1efb all runs: OK false negative chance: 0.000 # git bisect bad 6f664045c8688c40ad0591abd6ab89db9ecd7945 Bisecting: 27964 revisions left to test after this (roughly 15 steps) [7c4a94590e4dc134b36b0edeb5ddcf6e8b3da498] Merge tag 'block-5.17-2022-02-04' of git://git.kernel.dk/linux-block determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 7c4a94590e4dc134b36b0edeb5ddcf6e8b3da498 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7e2d34fc8d0a4e1c8b750c0b225e5d84551751e785d10115dda0825e7a94dc2 all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good 7c4a94590e4dc134b36b0edeb5ddcf6e8b3da498 Bisecting: 14083 revisions left to test after this (roughly 14 steps) [266d17a8c0d857a579813ad185cd1640b0d6ccac] Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 266d17a8c0d857a579813ad185cd1640b0d6ccac gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d4eebdef62b952e8582581214b018b8459f26075e2e625e79b3b263a856c9ee4 all runs: OK false negative chance: 0.000 # git bisect bad 266d17a8c0d857a579813ad185cd1640b0d6ccac Bisecting: 7461 revisions left to test after this (roughly 13 steps) [7403e6d8263937dea206dd201fed1ceed190ca18] Merge tag 'vfio-v5.18-rc1' of https://github.com/awilliam/linux-vfio determine whether the revision contains the guilty commit revision 7c4a94590e4dc134b36b0edeb5ddcf6e8b3da498 crashed and is reachable testing commit 7403e6d8263937dea206dd201fed1ceed190ca18 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8bd1150a7cdb9bf43514443551fa8fc84f885b2ddae91d1bc3dca306b097aba all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good 7403e6d8263937dea206dd201fed1ceed190ca18 Bisecting: 3072 revisions left to test after this (roughly 12 steps) [b14ffae378aa1db993e62b01392e70d1e585fb23] Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit b14ffae378aa1db993e62b01392e70d1e585fb23 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b8e51eb3f8195adbc241b9213f798205aae45191c0b609ce30810f338f286858 all runs: OK false negative chance: 0.000 # git bisect bad b14ffae378aa1db993e62b01392e70d1e585fb23 Bisecting: 2195 revisions left to test after this (roughly 11 steps) [cb631a6398192f79f33a2480517c272120985020] net: ipa: use struct_size() for the interconnect array determine whether the revision contains the guilty commit revision 7c4a94590e4dc134b36b0edeb5ddcf6e8b3da498 crashed and is reachable testing commit cb631a6398192f79f33a2480517c272120985020 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9cd3fac5e04d3e49e03e3dc9996675ef09b27da4573a87f1d03a93387a984053 all runs: OK false negative chance: 0.000 # git bisect bad cb631a6398192f79f33a2480517c272120985020 Bisecting: 1096 revisions left to test after this (roughly 10 steps) [4b5fba4a3ac790ad79bb4d36e7a4398702429b4d] net/mlx5e: RX, Restrict bulk size for small Striding RQs determine whether the revision contains the guilty commit revision 7c4a94590e4dc134b36b0edeb5ddcf6e8b3da498 crashed and is reachable testing commit 4b5fba4a3ac790ad79bb4d36e7a4398702429b4d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0307024ab3ad4795ce123c83ee4b8d9f3efad2daa787b250ab1b02b41aa4bdd6 all runs: OK false negative chance: 0.000 # git bisect bad 4b5fba4a3ac790ad79bb4d36e7a4398702429b4d Bisecting: 546 revisions left to test after this (roughly 9 steps) [aa4725c2fc03c670ba818e4bb7d91cd37811a8e3] Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next -queue determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit aa4725c2fc03c670ba818e4bb7d91cd37811a8e3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cca1f31324a4929c0f0c21c4b38d73e2c58114b4bab1aa99a1e29833e44833a0 all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good aa4725c2fc03c670ba818e4bb7d91cd37811a8e3 Bisecting: 300 revisions left to test after this (roughly 8 steps) [c002496babfdc82c5b8fbe3f5a3b73201dca2c73] Merge branch 'ipv6-loopback' determine whether the revision contains the guilty commit revision 7c4a94590e4dc134b36b0edeb5ddcf6e8b3da498 crashed and is reachable testing commit c002496babfdc82c5b8fbe3f5a3b73201dca2c73 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0e15c242c41c9e00c2e1762ca0fc3ebda82875470300ca2de938e10b7de979b2 all runs: OK false negative chance: 0.000 # git bisect bad c002496babfdc82c5b8fbe3f5a3b73201dca2c73 Bisecting: 122 revisions left to test after this (roughly 7 steps) [5912fcb4bee1ab7a956ffe81b8ab30a8667ac034] selftests/bpf: Do not export subtest as standalone test determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 5912fcb4bee1ab7a956ffe81b8ab30a8667ac034 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e3baf04ba1046eec17b19a4ae7cf2988ed183ecfc428665d8fb8b1ffe4c952e all runs: OK false negative chance: 0.000 # git bisect bad 5912fcb4bee1ab7a956ffe81b8ab30a8667ac034 Bisecting: 61 revisions left to test after this (roughly 6 steps) [439f0336566cb9b917f5286df599ec2a3a9d1475] selftests/bpf: Update cpumap/devmap sec_name determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 439f0336566cb9b917f5286df599ec2a3a9d1475 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c2c93d1274c9b4854743227e26fa3c5bf308e15241614111b0127ccddaff9b59 all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good 439f0336566cb9b917f5286df599ec2a3a9d1475 Bisecting: 30 revisions left to test after this (roughly 5 steps) [15175336270a76695412aedf68f3eab746d84b4b] bpf, docs: Better document the legacy packet access instruction determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 15175336270a76695412aedf68f3eab746d84b4b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 988b72e636451dc00a089ad38e093770ff0a4a40710958b658fc743a82635095 run #0: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #1: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #2: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #3: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #4: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #5: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #6: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #7: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #8: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! run #9: OK representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good 15175336270a76695412aedf68f3eab746d84b4b Bisecting: 15 revisions left to test after this (roughly 4 steps) [da7af0aa20f8ad89f09d50d262e44cd5eafab816] bpftool: Fix strict mode calculation determine whether the revision contains the guilty commit revision 439f0336566cb9b917f5286df599ec2a3a9d1475 crashed and is reachable testing commit da7af0aa20f8ad89f09d50d262e44cd5eafab816 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4df2870072e83314ca5cbc38f4b4bf6569b6b9b3f979a318af1819c586d84d1c all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good da7af0aa20f8ad89f09d50d262e44cd5eafab816 Bisecting: 7 revisions left to test after this (roughly 3 steps) [ebc1415d9b4f043cef5a1fb002ec316e32167e7a] bpf: Introduce bpf_arch_text_copy determine whether the revision contains the guilty commit revision 15175336270a76695412aedf68f3eab746d84b4b crashed and is reachable testing commit ebc1415d9b4f043cef5a1fb002ec316e32167e7a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6066d8d432af0bc1804f9b752e1cb0c7508293888631171efcc460aa9c77e3a all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good ebc1415d9b4f043cef5a1fb002ec316e32167e7a Bisecting: 3 revisions left to test after this (roughly 2 steps) [80123f0ac4a6d89d0b9c0dfa163fb56f910ab718] Merge branch 'bpf_prog_pack allocator' determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 80123f0ac4a6d89d0b9c0dfa163fb56f910ab718 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70d5858dc4f5cf46fec5fdd9fc7ee22ae615a66115e4059f836e0b272a57f295 all runs: OK false negative chance: 0.000 # git bisect bad 80123f0ac4a6d89d0b9c0dfa163fb56f910ab718 Bisecting: 1 revision left to test after this (roughly 1 step) [33c9805860e584b194199cab1a1e81f4e6395408] bpf: Introduce bpf_jit_binary_pack_[alloc|finalize|free] determine whether the revision contains the guilty commit revision da7af0aa20f8ad89f09d50d262e44cd5eafab816 crashed and is reachable testing commit 33c9805860e584b194199cab1a1e81f4e6395408 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 788a5b802b66293b84f295d3a1be39bc8526dbd2f99f8621629419017b580424 all runs: crashed: BUG: MAX_STACK_TRACE_ENTRIES too low! representative crash: BUG: MAX_STACK_TRACE_ENTRIES too low!, types: [UNKNOWN] # git bisect good 33c9805860e584b194199cab1a1e81f4e6395408 Bisecting: 0 revisions left to test after this (roughly 0 steps) [1022a5498f6f745c3b5fd3f050a5e11e7ca354f0] bpf, x86_64: Use bpf_jit_binary_pack_alloc determine whether the revision contains the guilty commit revision da7af0aa20f8ad89f09d50d262e44cd5eafab816 crashed and is reachable testing commit 1022a5498f6f745c3b5fd3f050a5e11e7ca354f0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d92539ec929a9cfad37d3fe7522098f0546800b30bcd04696752f8f8a2fbd155 all runs: OK false negative chance: 0.000 # git bisect bad 1022a5498f6f745c3b5fd3f050a5e11e7ca354f0 1022a5498f6f745c3b5fd3f050a5e11e7ca354f0 is the first bad commit commit 1022a5498f6f745c3b5fd3f050a5e11e7ca354f0 Author: Song Liu Date: Fri Feb 4 10:57:42 2022 -0800 bpf, x86_64: Use bpf_jit_binary_pack_alloc Use bpf_jit_binary_pack_alloc in x86_64 jit. The jit engine first writes the program to the rw buffer. When the jit is done, the program is copied to the final location with bpf_jit_binary_pack_finalize. Note that we need to do bpf_tail_call_direct_fixup after finalize. Therefore, the text_live = false logic in __bpf_arch_text_poke is no longer needed. Signed-off-by: Song Liu Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20220204185742.271030-10-song@kernel.org arch/x86/net/bpf_jit_comp.c | 58 ++++++++++++++++++++++++--------------------- 1 file changed, 31 insertions(+), 27 deletions(-) accumulated error probability: 0.00 culprit signature: d92539ec929a9cfad37d3fe7522098f0546800b30bcd04696752f8f8a2fbd155 parent signature: 788a5b802b66293b84f295d3a1be39bc8526dbd2f99f8621629419017b580424 revisions tested: 27, total time: 7h37m58.678222857s (build: 2h50m24.56229382s, test: 4h35m6.699113191s) first good commit: 1022a5498f6f745c3b5fd3f050a5e11e7ca354f0 bpf, x86_64: Use bpf_jit_binary_pack_alloc recipients (to): ["ast@kernel.org" "songliubraving@fb.com"] recipients (cc): []