ci2 starts bisection 2024-09-23 22:06:07.143952216 +0000 UTC m=+45545.503346951 bisecting cause commit starting from f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 building syzkaller on 89298aad70c7bd5d018a868dc31bc6ff4dca7f27 ensuring issue is reproducible on original commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 testing commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8a81eacb34433204ed7895d5aebc3a1d0556d695c9fb260b36809b7f093ed5e8 all runs: crashed: general protection fault in __copy_super representative crash: general protection fault in __copy_super, 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 f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3506d6e1262712f372c36a2e6adb538202a28b62824e22a5c51bc9d3c0b3e7b all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4037 full=8172 leaves diff=2113 split chunks (needed=false): <2113> split chunk #0 of len 2113 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba2dfd9a7365e16630cb895d718035ca240d193aa056e2849ddcfaf42e2e54ff all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03afd94c5231d042f9008c7ecf342f37831a2e281a0e7d22158104b2226d2895 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f178900b77ec9f9676375e4b959f51ba007ed3b48cb1b1d9e013edabc8e2fd1d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e96dedc9999b31e742fa6f937990ba3aaefbcfc7d2a3f504a3a3e74c97a9f7f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit f8eb5bd9a818cc5f2a1e50b22b0091830b28cc36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ea0d63a2064b024d857a2cc8dc8242e821429699fe7c2cd58c8177a7bd902ff0 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] the chunk can be dropped minimized to 423 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADDRESS_MASKING ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP 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_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_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 DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM 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 WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bb05b2bcfd84b0b121e1fe6ab7934dc6ad23ac12a544511bd995af323380a66f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6dd565081c21d45b978a6694462a4e4310cdeea40076b1d4f55fc5c3e871d6b7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] testing release v6.9 testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03872d42df921ee8c265b6e24d6bc45447661f4de06a1cf98fcf6722c32d6134 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __copy_super representative crash: BUG: unable to handle kernel NULL pointer dereference in __copy_super, types: [UNKNOWN] testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 284a115365ea2f1a85100fe701777b0b7988c079940830c4b3a8aa2e447069a5 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open, types: [UNKNOWN] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f7ad7e545dea59307bdca4f8eb782f43646096aa091493863568001bf94fed3 all runs: OK false negative chance: 0.000 # git bisect start 0dd3ee31125508cd67f7e7172247f05b7fd1753a 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 16833 revisions left to test after this (roughly 14 steps) [ec4c20ca09831ddba8fac10a7d82a9902e96e717] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit ec4c20ca09831ddba8fac10a7d82a9902e96e717 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3e70ba7e8cc30fcc65adc4a56377cc30f3f6189e07a5a384b3f7bd717cd5703 all runs: OK false negative chance: 0.000 # git bisect good ec4c20ca09831ddba8fac10a7d82a9902e96e717 Bisecting: 8387 revisions left to test after this (roughly 13 steps) [385903a7ec75bb400f4bf0f07d8d5ad61390270d] Merge tag 'soc-drivers-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 385903a7ec75bb400f4bf0f07d8d5ad61390270d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a7717867622a4d31b9e6fc18849682874bb5ccaa3ab6caecfa5e30913c9ece86 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open, types: [UNKNOWN] # git bisect bad 385903a7ec75bb400f4bf0f07d8d5ad61390270d Bisecting: 4172 revisions left to test after this (roughly 12 steps) [89ed67ef126c4160349c1b96fdb775ea6170ac90] Merge tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25ca75765cef9c72c752d3f8abe3e8185fe60001ec8d74e24a8db7733b572f20 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open, types: [UNKNOWN] # git bisect bad 89ed67ef126c4160349c1b96fdb775ea6170ac90 Bisecting: 2137 revisions left to test after this (roughly 11 steps) [42fab2695bfea686dc5eef92da0b4ce3277484a0] bcachefs: Kill BCH_FEATURE_incompressible testing commit 42fab2695bfea686dc5eef92da0b4ce3277484a0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 42fab2695bfea686dc5eef92da0b4ce3277484a0: fs/bcachefs/buckets.c:1295:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip 42fab2695bfea686dc5eef92da0b4ce3277484a0 Bisecting: 2135 revisions left to test after this (roughly 11 steps) [447e92274af6c7e8dcdc7921a6af238afcc87a0a] bcachefs: Don't set accessed bit on btree node fill testing commit 447e92274af6c7e8dcdc7921a6af238afcc87a0a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 447e92274af6c7e8dcdc7921a6af238afcc87a0a: fs/bcachefs/buckets.c:1295:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip 447e92274af6c7e8dcdc7921a6af238afcc87a0a Bisecting: 2135 revisions left to test after this (roughly 11 steps) [0bc166ff564f9e2b0bfc7a0c1a92472a600f901d] bcachefs: Track whether filesystem has errors in superblock testing commit 0bc166ff564f9e2b0bfc7a0c1a92472a600f901d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 0bc166ff564f9e2b0bfc7a0c1a92472a600f901d: fs/bcachefs/bset.c:1321:8: error: unknown token in expression # git bisect skip 0bc166ff564f9e2b0bfc7a0c1a92472a600f901d Bisecting: 2135 revisions left to test after this (roughly 11 steps) [ff7dc3651d5bdcc9d9fe4ace3da21f0f5c2bd778] bcachefs: Print last line in debugfs/btree_transaction_stats testing commit ff7dc3651d5bdcc9d9fe4ace3da21f0f5c2bd778 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building ff7dc3651d5bdcc9d9fe4ace3da21f0f5c2bd778: fs/bcachefs/buckets.c:1292:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip ff7dc3651d5bdcc9d9fe4ace3da21f0f5c2bd778 Bisecting: 2135 revisions left to test after this (roughly 11 steps) [befaa609f4c784f505c02ea3ff036adf4f4aa814] Merge tag 'hardening-v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux testing commit befaa609f4c784f505c02ea3ff036adf4f4aa814 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5bfee544536bf0e0ddb2d472470afdda709da19188dbe023055a861d792b9057 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open, types: [UNKNOWN] # git bisect bad befaa609f4c784f505c02ea3ff036adf4f4aa814 Bisecting: 1944 revisions left to test after this (roughly 11 steps) [45b033fa1afd35a8eab0af003ffac9413548f476] bcachefs: Fix assertion in bch2_btree_key_cache_drop() testing commit 45b033fa1afd35a8eab0af003ffac9413548f476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 45b033fa1afd35a8eab0af003ffac9413548f476: fs/bcachefs/buckets.c:1292:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip 45b033fa1afd35a8eab0af003ffac9413548f476 Bisecting: 1944 revisions left to test after this (roughly 11 steps) [f54788cc8c79cad2ac8016d1c4a8a1373a4d7707] bcachefs: Convert a BUG_ON() to a warning testing commit f54788cc8c79cad2ac8016d1c4a8a1373a4d7707 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building f54788cc8c79cad2ac8016d1c4a8a1373a4d7707: fs/bcachefs/buckets.c:1410:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip f54788cc8c79cad2ac8016d1c4a8a1373a4d7707 Bisecting: 1944 revisions left to test after this (roughly 11 steps) [b0c3a5f8c8caf05196560a7edbc69e10f3497817] NFSD: Add nfsd4_encode_fattr4_files_avail() testing commit b0c3a5f8c8caf05196560a7edbc69e10f3497817 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70c21ed16c8220a3444b350a9a2b49ae5e3960342d825307b63718013d66668c all runs: OK false negative chance: 0.000 # git bisect good b0c3a5f8c8caf05196560a7edbc69e10f3497817 Bisecting: 1918 revisions left to test after this (roughly 11 steps) [4f84b7e30b3aa72ce5de032380799a1a5ba044fd] bcachefs: for_each_btree_key_reverse() testing commit 4f84b7e30b3aa72ce5de032380799a1a5ba044fd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 4f84b7e30b3aa72ce5de032380799a1a5ba044fd: fs/bcachefs/buckets.c:1292:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip 4f84b7e30b3aa72ce5de032380799a1a5ba044fd Bisecting: 1918 revisions left to test after this (roughly 11 steps) [7bb61e8c0e37fdf5684bc1fa1f6e0b5644cc7f75] bcachefs: Make IO in flight by copygc/rebalance configurable testing commit 7bb61e8c0e37fdf5684bc1fa1f6e0b5644cc7f75 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 7bb61e8c0e37fdf5684bc1fa1f6e0b5644cc7f75: fs/bcachefs/buckets.c:1292:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip 7bb61e8c0e37fdf5684bc1fa1f6e0b5644cc7f75 Bisecting: 1918 revisions left to test after this (roughly 11 steps) [345ca825e7d7e76211a72e13501e6504d22369f9] bcachefs: Have btree_iter_next_node() use btree_iter_set_search_pos() testing commit 345ca825e7d7e76211a72e13501e6504d22369f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 345ca825e7d7e76211a72e13501e6504d22369f9: fs/bcachefs/bset.c:1181:6: error: unknown token in expression # git bisect skip 345ca825e7d7e76211a72e13501e6504d22369f9 Bisecting: 1918 revisions left to test after this (roughly 11 steps) [416cc426c0d79c65d85de52d3548a32de06ab3e8] bcachefs: Fix snapshot deletion testing commit 416cc426c0d79c65d85de52d3548a32de06ab3e8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 416cc426c0d79c65d85de52d3548a32de06ab3e8: fs/bcachefs/buckets.c:1292:2: error: call to undeclared function '__WARN'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] # git bisect skip 416cc426c0d79c65d85de52d3548a32de06ab3e8 Bisecting: 1918 revisions left to test after this (roughly 11 steps) [6bd68ec266ad71827ef940151067b67b62fb8fed] bcachefs: Heap allocate btree_trans testing commit 6bd68ec266ad71827ef940151067b67b62fb8fed gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f03150c048d01bf0fa659f4402f6d59123a0830648168722e12c1f024e68aeb7 all runs: OK false negative chance: 0.000 # git bisect good 6bd68ec266ad71827ef940151067b67b62fb8fed Bisecting: 562 revisions left to test after this (roughly 9 steps) [d5acbc60fafbe0fc94c552ce916dd592cd4c6371] Merge tag 'for-6.7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit d5acbc60fafbe0fc94c552ce916dd592cd4c6371 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca7651b8a928546418ecdfae95580cc058a3dd10056632dbb04389714c9dffa0 all runs: OK false negative chance: 0.000 # git bisect good d5acbc60fafbe0fc94c552ce916dd592cd4c6371 Bisecting: 279 revisions left to test after this (roughly 8 steps) [bceb7accb7b60f9844807c7433af06493ed058b7] Merge tag 'perf-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit bceb7accb7b60f9844807c7433af06493ed058b7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6cd3b9b9d6769d4e090f71e0d000cc613478341ea3f184e10fda76ccb751e6c2 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open, types: [UNKNOWN] # git bisect bad bceb7accb7b60f9844807c7433af06493ed058b7 Bisecting: 122 revisions left to test after this (roughly 7 steps) [3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012] Merge tag 'locking-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c4bf32cbec26d678d71c244276ee6c1f3518b40fe41a15707858dec5fcf02182 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open, types: [UNKNOWN] # git bisect bad 3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012 Bisecting: 90 revisions left to test after this (roughly 6 steps) [01ae815c5021532aecf8c5e280cf50cdaa72a9d6] Merge tag 'ras_core_for_6.7_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 01ae815c5021532aecf8c5e280cf50cdaa72a9d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e61026a0b0997622a895ee098256e49b5dbb277a6253f290ba75f1d7011fd251 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_fs_open, types: [UNKNOWN] # git bisect bad 01ae815c5021532aecf8c5e280cf50cdaa72a9d6 Bisecting: 34 revisions left to test after this (roughly 5 steps) [793a06d984511593c6375d219b38cc84f5a71aff] bcachefs: Fixes for building in userspace testing commit 793a06d984511593c6375d219b38cc84f5a71aff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fbd18075715dae66d362f44342815fb151380dae408e934b7051bc36cd094df6 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_sb_field_get representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_sb_field_get, types: [UNKNOWN] # git bisect bad 793a06d984511593c6375d219b38cc84f5a71aff Bisecting: 16 revisions left to test after this (roughly 4 steps) [fc08031bb84b2b4660406faf9f30db8cdd09d022] bcachefs: prepare journal buf put to handle pin put testing commit fc08031bb84b2b4660406faf9f30db8cdd09d022 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 49e815249691123d715a509031602c8b5a29d10a53134f7490916727b0eb6e09 all runs: OK false negative chance: 0.000 # git bisect good fc08031bb84b2b4660406faf9f30db8cdd09d022 Bisecting: 7 revisions left to test after this (roughly 3 steps) [51c801bc6414e88d686fb3229c54d7dda1508778] bcachefs: Minor bch2_btree_node_get() smatch fixes testing commit 51c801bc6414e88d686fb3229c54d7dda1508778 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 663020c26e09288f26772e3ae164438cc8d40f8df197464971860c53c6201311 all runs: OK false negative chance: 0.000 # git bisect good 51c801bc6414e88d686fb3229c54d7dda1508778 Bisecting: 3 revisions left to test after this (roughly 2 steps) [82142a5541063addd15c84fcda890675035df8aa] bcachefs: Fix a null ptr deref in bch2_get_alloc_in_memory_pos() testing commit 82142a5541063addd15c84fcda890675035df8aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 82ca62edd71c6ab298f5ae4442b87efe93e4afc28a998288746a1d5146bccadf all runs: OK false negative chance: 0.000 # git bisect good 82142a5541063addd15c84fcda890675035df8aa Bisecting: 1 revision left to test after this (roughly 1 step) [b560e32ef78f8e748b74a27009ee417b9072dd88] bcachefs: Always check for invalid bkeys in main commit path testing commit b560e32ef78f8e748b74a27009ee417b9072dd88 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a7c01ae4dd2c273a5c645d6dfcd220e540cce919adacfa997ff83efff0d8c0e all runs: OK false negative chance: 0.000 # git bisect good b560e32ef78f8e748b74a27009ee417b9072dd88 Bisecting: 0 revisions left to test after this (roughly 0 steps) [03ef80b469d5d83530ce1ce15be78a40e5300f9b] bcachefs: Ignore unknown mount options testing commit 03ef80b469d5d83530ce1ce15be78a40e5300f9b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c71c88afea90e8f54d9eb70656532a841a718a135e674b672f22addfb2c7137 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in bch2_sb_field_get representative crash: BUG: unable to handle kernel NULL pointer dereference in bch2_sb_field_get, types: [UNKNOWN] # git bisect bad 03ef80b469d5d83530ce1ce15be78a40e5300f9b 03ef80b469d5d83530ce1ce15be78a40e5300f9b is the first bad commit commit 03ef80b469d5d83530ce1ce15be78a40e5300f9b Author: Kent Overstreet Date: Sat Sep 23 18:41:51 2023 -0400 bcachefs: Ignore unknown mount options This makes mount option handling consistent with other filesystems - options may be handled at different layers, so an option we don't know about might not be intended for us. Signed-off-by: Kent Overstreet fs/bcachefs/opts.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: 4c71c88afea90e8f54d9eb70656532a841a718a135e674b672f22addfb2c7137 parent signature: 4a7c01ae4dd2c273a5c645d6dfcd220e540cce919adacfa997ff83efff0d8c0e revisions tested: 28, total time: 8h48m20.097767835s (build: 3h57m28.228672699s, test: 3h57m27.928389852s) first bad commit: 03ef80b469d5d83530ce1ce15be78a40e5300f9b bcachefs: Ignore unknown mount options recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: BUG: unable to handle kernel NULL pointer dereference in bch2_sb_field_get syz.0.15[3276]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set loop0: detected capacity change from 0 to 32768 bcachefs (/dev/loop0): error reading default superblock: bad checksum bcachefs (/dev/loop0): error reading superblock: bad checksum BUG: kernel NULL pointer dereference, address: 000000000000007c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 8000000102b8d067 P4D 8000000102b8d067 PUD 10abe0067 PMD 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 0 PID: 3276 Comm: syz.0.15 Not tainted 6.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:bch2_sb_field_get+0xb/0x40 Code: cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 8d 87 f0 02 00 00 <8b> 4f 7c 48 8d 8c cf f0 02 00 00 48 39 c8 73 10 39 70 04 74 0d 8b RSP: 0018:ffffc900030cfa48 EFLAGS: 00010206 RAX: 00000000000002f0 RBX: 0000000000000001 RCX: ffff888108f1ccc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900030cfc98 R08: ffff888105b2b9a0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888108f1ccf8 R13: ffff888108f1ccc0 R14: 0000000000000001 R15: ffffffffffffffed FS: 00007f0c9ed926c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000007c CR3: 000000010d6ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_sb_get_members fs/bcachefs/super-io.h:48 [inline] bch2_fs_open+0x170/0x1470 fs/bcachefs/super.c:1908 bch2_mount+0x273/0x5b0 fs/bcachefs/fs.c:1829 legacy_get_tree+0x2d/0x60 fs/fs_context.c:638 vfs_get_tree+0x24/0xb0 fs/super.c:1750 do_new_mount+0x153/0x390 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x14b/0x1c0 fs/namespace.c:3861 do_syscall_64+0x46/0xc0 entry_SYSCALL_64_after_hwframe+0x6f/0xd9 RIP: 0033:0x7f0c9df7f69a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f0c9ed91e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f0c9ed91ef0 RCX: 00007f0c9df7f69a RDX: 0000000020000240 RSI: 0000000020005dc0 RDI: 00007f0c9ed91eb0 RBP: 0000000020000240 R08: 00007f0c9ed91ef0 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000246 R12: 0000000020005dc0 R13: 00007f0c9ed91eb0 R14: 0000000000005da6 R15: 0000000020000080 Modules linked in: CR2: 000000000000007c ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_sb_field_get+0xb/0x40 Code: cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 8d 87 f0 02 00 00 <8b> 4f 7c 48 8d 8c cf f0 02 00 00 48 39 c8 73 10 39 70 04 74 0d 8b RSP: 0018:ffffc900030cfa48 EFLAGS: 00010206 RAX: 00000000000002f0 RBX: 0000000000000001 RCX: ffff888108f1ccc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900030cfc98 R08: ffff888105b2b9a0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888108f1ccf8 R13: ffff888108f1ccc0 R14: 0000000000000001 R15: ffffffffffffffed FS: 00007f0c9ed926c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000007c CR3: 000000010d6ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: cc int3 1: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 8: 00 00 00 b: 0f 1f 40 00 nopl 0x0(%rax) f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 66 0f 1f 00 nopw (%rax) 23: 48 8d 87 f0 02 00 00 lea 0x2f0(%rdi),%rax * 2a: 8b 4f 7c mov 0x7c(%rdi),%ecx <-- trapping instruction 2d: 48 8d 8c cf f0 02 00 lea 0x2f0(%rdi,%rcx,8),%rcx 34: 00 35: 48 39 c8 cmp %rcx,%rax 38: 73 10 jae 0x4a 3a: 39 70 04 cmp %esi,0x4(%rax) 3d: 74 0d je 0x4c 3f: 8b .byte 0x8b