ci2 starts bisection 2023-09-02 17:23:24.321570027 +0000 UTC m=+172915.203941317 bisecting fixing commit since a456e17438819ed77f63d16926f96101ca215f09 building syzkaller on 022df2bb9a105c303cf24c910b8e787cf642a3f3 ensuring issue is reproducible on original commit a456e17438819ed77f63d16926f96101ca215f09 testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cbd6b0feb808867974c3d0a68fe0eb7c4e8c28ad98c4a368cfc2b61351d98ed9 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: BUG: unable to handle kernel paging request in corrupted run #17: crashed: general protection fault in bpf_dispatcher_xdp run #18: crashed: general protection fault in bpf_dispatcher_xdp run #19: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp representative crash: INFO: rcu detected stall in corrupted, types: [HANG UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ccb006441c37508e84c2dd8f94fe284b6183566d5fb0e5adb7fd5a6d81d578fe run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: BUG: unable to handle kernel paging request in corrupted run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN HANG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed kconfig minimization: base=3820 full=7523 leaves diff=1995 split chunks (needed=false): <1995> split chunk #0 of len 1995 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e955a5c504eac1fc4ae00d6edc94c5d17d1aaa770c8a40a3e68db24aa394193a run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f49aff6f57b99f7bbd1a020564e9cc13562aaab96b9a9b590a5d658357d8808 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: kernel panic: Fatal exception run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: kernel panic: Fatal exception run #18: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: kernel panic: Fatal exception, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f8407a34d0e2d3e87c11831cc51a848190a3c6c3f0d06a00ffcf64292178d57 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in corrupted run #11: crashed: BUG: unable to handle kernel paging request in skb_put run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in corrupted run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8eeee1156398c765d8508dedc59f6f775dd86847605c826dd5969aadf2671e3f all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b84094024715474f73944ade717d88239297a08000db200af5ee99e1254614b run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: kernel panic: Fatal exception run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: general protection fault in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] the chunk can be dropped minimized to 798 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_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ASM_MODVERSIONS 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 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 BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_FD 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_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_RDMA 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_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_MTK 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_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_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 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 CRC64_ROCKSOFT CRC7 CRC8 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_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_CFB CRYPTO_CHACHA20 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_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_HCTR2 CRYPTO_KDF800108_CTR 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_LRW CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_OFB 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_SHA3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM2 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_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CUSE CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DIMLIB DLM 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_BOCHS DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HELPER DVB_CORE ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_DRAGONRISE HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_RTRS_CLIENT INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IOSCHED_BFQ IP_SCTP ISDN ISDN_CAPI L2TP LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_CLS_U32 NET_IPGRE NET_IPGRE_DEMUX NET_SCH_DEFAULT NFS_V4_1 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STAGING_MEDIA STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_DEVICE TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_PHY USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VLAN_8021Q VXLAN WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between a456e17438819ed77f63d16926f96101ca215f09 and fdde6187804782dce49c78d00e04bac6535628c7 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d69ed0078fed50461d6fb1233b97b3af8e5152a3efc367d847b773eb07e426bf run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: general protection fault in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: kernel panic: Fatal exception representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] testing current HEAD fdde6187804782dce49c78d00e04bac6535628c7 testing commit fdde6187804782dce49c78d00e04bac6535628c7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 169983c1e78197ea3854e1de4d5e82f7a6b97976e0b44de0d70d60e70459f322 all runs: OK false negative chance: 0.000 # git bisect start fdde6187804782dce49c78d00e04bac6535628c7 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 37008 revisions left to test after this (roughly 15 steps) [793582ff47f8b73be8d3d925d750bf3ef79f33c7] Merge tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 793582ff47f8b73be8d3d925d750bf3ef79f33c7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 19e4d7b30bc234650b50d79b99487d3fcecf4557b1969c605ec40e071a0a70e9 all runs: OK false negative chance: 0.000 # git bisect bad 793582ff47f8b73be8d3d925d750bf3ef79f33c7 Bisecting: 18629 revisions left to test after this (roughly 14 steps) [38ae3192296924181537544e7cfc43ca78eadcda] wifi: rtl8xxxu: add LEDS_CLASS dependency determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 38ae3192296924181537544e7cfc43ca78eadcda gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 342593648f5f18874da65d34cebb8d5fc73366f06dc66966cf6d697bccc0bc0b all runs: OK false negative chance: 0.000 # git bisect bad 38ae3192296924181537544e7cfc43ca78eadcda Bisecting: 8796 revisions left to test after this (roughly 13 steps) [7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91] Merge tag 'net-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 81c2867db2f763155e6483524427881e7bd376df29c7f6119808041d9db1bb79 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in __SCT__tp_func_afs_receive_data run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 Bisecting: 4401 revisions left to test after this (roughly 12 steps) [2951b2e142ecf6e0115df785ba91e91b6da74602] net/mlx5e: Always clear dest encap in neigh-update-del determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 2951b2e142ecf6e0115df785ba91e91b6da74602 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5fb2c60272a8ace9e2e077452a571f15e4f892b46f4b39a3aa6bb4120a95d933 all runs: OK false negative chance: 0.000 # git bisect bad 2951b2e142ecf6e0115df785ba91e91b6da74602 Bisecting: 2185 revisions left to test after this (roughly 11 steps) [58bcac11fd94f950abc7b8466c5ceac7be07a00e] Merge tag 'usb-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 58bcac11fd94f950abc7b8466c5ceac7be07a00e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 746b565b588c8a34920650f81f668a49afcedcda9c696df64f3fff287a7d20a2 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: kernel panic: Fatal exception run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #4: crashed: BUG: unable to handle kernel paging request in ia32_sys_call_table run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good 58bcac11fd94f950abc7b8466c5ceac7be07a00e Bisecting: 991 revisions left to test after this (roughly 10 steps) [aa4800e31c547ed00681318335ca2298c4bca33a] Merge tag 'perf-tools-for-v6.2-1-2022-12-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux determine whether the revision contains the guilty commit revision 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 crashed and is reachable testing commit aa4800e31c547ed00681318335ca2298c4bca33a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0036929db0adb3d67f10cfc2221e66b5b0e9d8b498635b6164eb3e6ab8cf32b0 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: divide error in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good aa4800e31c547ed00681318335ca2298c4bca33a Bisecting: 532 revisions left to test after this (roughly 9 steps) [b8fd76f41820951d8a6e2521c25f54afadf338bd] Merge tag 'iommu-updates-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit b8fd76f41820951d8a6e2521c25f54afadf338bd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4900608f737f2d28a54d508e80b75cc459ddb61e6abdc554d1a90d48dec1d48 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: divide error in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good b8fd76f41820951d8a6e2521c25f54afadf338bd Bisecting: 242 revisions left to test after this (roughly 8 steps) [acd04af6e4765bdc322adab3bf72e249b8b65457] Merge tag 'rtc-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux determine whether the revision contains the guilty commit revision b8fd76f41820951d8a6e2521c25f54afadf338bd crashed and is reachable testing commit acd04af6e4765bdc322adab3bf72e249b8b65457 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 32a8b2d70111751d3684d3917c94f52f4efc23375a9bc7f998156b3847eaf446 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #11: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: divide error in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good acd04af6e4765bdc322adab3bf72e249b8b65457 Bisecting: 139 revisions left to test after this (roughly 7 steps) [878cf96f686c59b82ee76c2b233c41b5fc3c0936] Merge tag 'fs.vfsuid.ima.v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping determine whether the revision contains the guilty commit revision 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 crashed and is reachable testing commit 878cf96f686c59b82ee76c2b233c41b5fc3c0936 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64ef41d327d0d0028fe27d40d8bb81b8daab44b45470ba354f97c5a15feab9ab run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: BUG: unable to handle kernel paging request in corrupted run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: kernel panic: Fatal exception run #14: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: invalid opcode in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good 878cf96f686c59b82ee76c2b233c41b5fc3c0936 Bisecting: 70 revisions left to test after this (roughly 6 steps) [fcbb408a1aaf426f88d8fb3b4c14e3625745b02f] selftests/bpf: Add host-tools to gitignore determine whether the revision contains the guilty commit revision 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 crashed and is reachable testing commit fcbb408a1aaf426f88d8fb3b4c14e3625745b02f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c4ffbe13caa07d8fe6444a5248548dc66e170cf784cab4c769f73fe942465cf all runs: OK false negative chance: 0.000 # git bisect bad fcbb408a1aaf426f88d8fb3b4c14e3625745b02f Bisecting: 32 revisions left to test after this (roughly 5 steps) [13e3c7793e2fa2707455aaf66f2498ed4a00d6e2] Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf determine whether the revision contains the guilty commit revision 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 crashed and is reachable testing commit 13e3c7793e2fa2707455aaf66f2498ed4a00d6e2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9f96c51acf80003829fbac283c1fc1c548679254302682ec83ba9a77b798ccdd all runs: OK false negative chance: 0.000 # git bisect bad 13e3c7793e2fa2707455aaf66f2498ed4a00d6e2 Bisecting: 17 revisions left to test after this (roughly 4 steps) [a8dfde09c90109e3a98af54847e91bde7dc2d5c2] selftests/bpf: Select CONFIG_FUNCTION_ERROR_INJECTION determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit a8dfde09c90109e3a98af54847e91bde7dc2d5c2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ddd77e22be915be08b472b7052d4f216552b8c26c589298904faf6143796448 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: divide error in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: general protection fault in bpf_dispatcher_xdp run #19: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good a8dfde09c90109e3a98af54847e91bde7dc2d5c2 Bisecting: 8 revisions left to test after this (roughly 3 steps) [b4cafb3d2c740f8d1b1234b43ac4a60e5291c960] devlink: hold region lock when flushing snapshots determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit b4cafb3d2c740f8d1b1234b43ac4a60e5291c960 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe20f2db432922f5ad55c565d80636e8498b85b984f178e505c1e7e7949094d9 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: BUG: unable to handle kernel paging request in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: BUG: unable to handle kernel paging request in corrupted run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: BUG: unable to handle kernel paging request in corrupted run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good b4cafb3d2c740f8d1b1234b43ac4a60e5291c960 Bisecting: 4 revisions left to test after this (roughly 2 steps) [f506439ec3dee11e0e77b0a1f3fb3eec22c97873] selftests/bpf: Add a test for using a cpumap from an freplace-to-XDP program determine whether the revision contains the guilty commit revision 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 crashed and is reachable testing commit f506439ec3dee11e0e77b0a1f3fb3eec22c97873 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2fafae5a3a41f4ee816557e3118092ce4491d42e4e6b83c4649e87df6bdb727 all runs: OK false negative chance: 0.000 # git bisect bad f506439ec3dee11e0e77b0a1f3fb3eec22c97873 Bisecting: 1 revision left to test after this (roughly 1 step) [4121d4481b72501aa4d22680be4ea1096d69d133] bpf: Synchronize dispatcher update with bpf_dispatcher_xdp_func determine whether the revision contains the guilty commit revision a8dfde09c90109e3a98af54847e91bde7dc2d5c2 crashed and is reachable testing commit 4121d4481b72501aa4d22680be4ea1096d69d133 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5b22d6527b11d4809daa548315028f9443a15984195950281a4ee0af618e86db all runs: OK false negative chance: 0.000 # git bisect bad 4121d4481b72501aa4d22680be4ea1096d69d133 Bisecting: 0 revisions left to test after this (roughly 0 steps) [e89f3edffb860a0f54a9ed16deadb7a4a1fa3862] bpf: prevent leak of lsm program after failed attach determine whether the revision contains the guilty commit revision a8dfde09c90109e3a98af54847e91bde7dc2d5c2 crashed and is reachable testing commit e89f3edffb860a0f54a9ed16deadb7a4a1fa3862 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 75bedf3f2508aa71f7c5582a3780745392ab18428070f6d6426e90e051e29609 run #0: crashed: invalid opcode in bpf_dispatcher_xdp run #1: crashed: invalid opcode in bpf_dispatcher_xdp run #2: crashed: invalid opcode in bpf_dispatcher_xdp run #3: crashed: invalid opcode in bpf_dispatcher_xdp run #4: crashed: invalid opcode in bpf_dispatcher_xdp run #5: crashed: invalid opcode in bpf_dispatcher_xdp run #6: crashed: invalid opcode in bpf_dispatcher_xdp run #7: crashed: invalid opcode in bpf_dispatcher_xdp run #8: crashed: invalid opcode in bpf_dispatcher_xdp run #9: crashed: invalid opcode in bpf_dispatcher_xdp run #10: crashed: invalid opcode in bpf_dispatcher_xdp run #11: crashed: invalid opcode in bpf_dispatcher_xdp run #12: crashed: invalid opcode in bpf_dispatcher_xdp run #13: crashed: invalid opcode in bpf_dispatcher_xdp run #14: crashed: invalid opcode in bpf_dispatcher_xdp run #15: crashed: invalid opcode in bpf_dispatcher_xdp run #16: crashed: invalid opcode in bpf_dispatcher_xdp run #17: crashed: invalid opcode in bpf_dispatcher_xdp run #18: crashed: PANIC: double fault in bpf_dispatcher_xdp run #19: crashed: invalid opcode in bpf_dispatcher_xdp representative crash: invalid opcode in bpf_dispatcher_xdp, types: [UNKNOWN] # git bisect good e89f3edffb860a0f54a9ed16deadb7a4a1fa3862 4121d4481b72501aa4d22680be4ea1096d69d133 is the first bad commit commit 4121d4481b72501aa4d22680be4ea1096d69d133 Author: Jiri Olsa Date: Wed Dec 14 13:35:42 2022 +0100 bpf: Synchronize dispatcher update with bpf_dispatcher_xdp_func Hao Sun reported crash in dispatcher image [1]. Currently we don't have any sync between bpf_dispatcher_update and bpf_dispatcher_xdp_func, so following race is possible: cpu 0: cpu 1: bpf_prog_run_xdp ... bpf_dispatcher_xdp_func in image at offset 0x0 bpf_dispatcher_update update image at offset 0x800 bpf_dispatcher_update update image at offset 0x0 in image at offset 0x0 -> crash Fixing this by synchronizing dispatcher image update (which is done in bpf_dispatcher_update function) with bpf_dispatcher_xdp_func that reads and execute the dispatcher image. Calling synchronize_rcu after updating and installing new image ensures that readers leave old image before it's changed in the next dispatcher update. The update itself is locked with dispatcher's mutex. The bpf_prog_run_xdp is called under local_bh_disable and synchronize_rcu will wait for it to leave [2]. [1] https://lore.kernel.org/bpf/Y5SFho7ZYXr9ifRn@krava/T/#m00c29ece654bc9f332a17df493bbca33e702896c [2] https://lore.kernel.org/bpf/0B62D35A-E695-4B7A-A0D4-774767544C1A@gmail.com/T/#mff43e2c003ae99f4a38f353c7969be4c7162e877 Reported-by: Hao Sun Signed-off-by: Jiri Olsa Acked-by: Yonghong Song Acked-by: Paul E. McKenney Link: https://lore.kernel.org/r/20221214123542.1389719-1-jolsa@kernel.org Signed-off-by: Martin KaFai Lau kernel/bpf/dispatcher.c | 5 +++++ 1 file changed, 5 insertions(+) accumulated error probability: 0.00 culprit signature: 5b22d6527b11d4809daa548315028f9443a15984195950281a4ee0af618e86db parent signature: 75bedf3f2508aa71f7c5582a3780745392ab18428070f6d6426e90e051e29609 reproducer is flaky (1.00 repro chance estimate) revisions tested: 25, total time: 6h0m34.154478884s (build: 1h50m57.209195757s, test: 4h1m7.435050172s) first good commit: 4121d4481b72501aa4d22680be4ea1096d69d133 bpf: Synchronize dispatcher update with bpf_dispatcher_xdp_func recipients (to): ["jolsa@kernel.org" "martin.lau@kernel.org" "paulmck@kernel.org" "yhs@fb.com"] recipients (cc): []