ci starts bisection 2024-01-28 07:23:25.387501957 +0000 UTC m=+218034.318161935 bisecting cause commit starting from 3a5879d495b226d0404098e3564462d5f1daa33b building syzkaller on cc4a4020ecb6d62110981f597feea0c04a643efa ensuring issue is reproducible on original commit 3a5879d495b226d0404098e3564462d5f1daa33b testing commit 3a5879d495b226d0404098e3564462d5f1daa33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9fec80d47a1e8c6cde9df0c53fd7beb3ef8109601009c75e3144e58793423dcc all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 3a5879d495b226d0404098e3564462d5f1daa33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5ee408a77833b795abea6c03f0234a0ef864a65fa78a8f4616d7617016005206 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, 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=3923 full=7687 leaves diff=2013 split chunks (needed=false): <2013> split chunk #0 of len 2013 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 3a5879d495b226d0404098e3564462d5f1daa33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a8cd047cb55b79a42ab2d77f9387377f226cefc7c9d2be725d22b8bb4466903a all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 3a5879d495b226d0404098e3564462d5f1daa33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38aff80a929f7e2855eff2dc365bd26939c3e8a082ca17106d7564a3877625f1 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 3a5879d495b226d0404098e3564462d5f1daa33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 517a7a08ee82654c0c9d12cd9e1b1bb05c203faa62158b5339d63c1a4beb6e7e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 3a5879d495b226d0404098e3564462d5f1daa33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c9f42e618b41f3e618a1476652d48b72ea32909f2967560fde41c4bdd1245c41 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, 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 3a5879d495b226d0404098e3564462d5f1daa33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a0736ae57efcaf38e42cbe10bd982ddefe215393dd5a360448af210c5b595dcd all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] the chunk can be dropped minimized to 403 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 ACPI_THERMAL_LIB ADDRESS_MASKING 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 ARCH_HAS_CPU_PASID ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_HAS_NON_CONST_ULEB128 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 BCACHEFS_DEBUG BCACHEFS_FS 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_DEBUG_FS_ZONED BLK_DEV_BSGLIB 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_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_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_HIDP BT_HS BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED 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_RX_OFFLOAD CAN_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CC_STRINGOP_OVERFLOW 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 CLOSURES 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_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_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_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_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 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 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_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 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_HAVE_PAE X86_X32_ABI ZONE_DEVICE] disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.7 v6.6 v6.5 v6.3 v6.1 v5.19 v5.17 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 30 release tags testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 797a7793fad49cb9c40d284adf0476211c206398e2dc397be1c96dc02e4898f1 all runs: OK false negative chance: 0.000 # git bisect start 3a5879d495b226d0404098e3564462d5f1daa33b 0dd3ee31125508cd67f7e7172247f05b7fd1753a Bisecting: 7096 revisions left to test after this (roughly 13 steps) [ba5afb9a84df2e6b26a1b6389b98849cd16ea757] fs: rework listmount() implementation testing commit ba5afb9a84df2e6b26a1b6389b98849cd16ea757 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a1e73730c5b34b9f86e432c2d211f6f60891e0f0c106e18d7aac7b00d19aa685 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad ba5afb9a84df2e6b26a1b6389b98849cd16ea757 Bisecting: 3542 revisions left to test after this (roughly 12 steps) [de927f6c0b07d9e698416c5b287c521b07694cac] Merge tag 's390-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux testing commit de927f6c0b07d9e698416c5b287c521b07694cac gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cbf168ae9ba94ba65f0e055f8cb1c711c659f0be1af95a94bd3550d5771b93a5 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad de927f6c0b07d9e698416c5b287c521b07694cac Bisecting: 1355 revisions left to test after this (roughly 10 steps) [35f11a3710cdcbbc5090d14017a6295454e0cc73] Merge tag 'mtd/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux testing commit 35f11a3710cdcbbc5090d14017a6295454e0cc73 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5353b3d4634984c1c8431fbdb5eecc986dd1236a0b5a0d3be18cfc6c0c0962a2 all runs: OK false negative chance: 0.000 # git bisect good 35f11a3710cdcbbc5090d14017a6295454e0cc73 Bisecting: 687 revisions left to test after this (roughly 9 steps) [d8c8e595dc31fb639bc4f8a202901afaa15bb13f] Merge tag 'dlm-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm testing commit d8c8e595dc31fb639bc4f8a202901afaa15bb13f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7643d32632590d385ccdc5bacfbd17d8b9941257c41545ccfb8771389ade6d73 all runs: OK false negative chance: 0.000 # git bisect good d8c8e595dc31fb639bc4f8a202901afaa15bb13f Bisecting: 339 revisions left to test after this (roughly 9 steps) [84e9a2d5517bf62edda74f382757aa173b8e45fd] Merge tag 'v6.8-rc-part1-smb-client' of git://git.samba.org/sfrench/cifs-2.6 testing commit 84e9a2d5517bf62edda74f382757aa173b8e45fd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2bdc5efc3986c319c52e5a8fbeaf3e997705cc084b382c2de5733e330ea75b9d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad 84e9a2d5517bf62edda74f382757aa173b8e45fd Bisecting: 175 revisions left to test after this (roughly 8 steps) [b8910630c967ffee582289451ddb5f9f19c26872] crypto: iaa - Account for cpu-less numa nodes testing commit b8910630c967ffee582289451ddb5f9f19c26872 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2c3c8a0b7377de110386d53806951891b6546cb523b10e78e57543f5658fe90 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad b8910630c967ffee582289451ddb5f9f19c26872 Bisecting: 85 revisions left to test after this (roughly 7 steps) [d7ad915d817c8ce07a6101292497dddbab0429a3] dmaengine: idxd: Rename drv_enable/disable_wq to idxd_drv_enable/disable_wq, and export testing commit d7ad915d817c8ce07a6101292497dddbab0429a3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef870a93e457c032fc34e799b48609f9aa7422d511ac08a8fba5b506d53e80c9 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad d7ad915d817c8ce07a6101292497dddbab0429a3 Bisecting: 42 revisions left to test after this (roughly 6 steps) [040791041b68fbc06511834b225c5974daa5088b] crypto: octeontx2 - By default allocate one CPT LF per CPT VF testing commit 040791041b68fbc06511834b225c5974daa5088b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b883191d06518b4d0c2528f38dd864142d3b2ff7c584a8dda75e296450fced65 all runs: OK false negative chance: 0.000 # git bisect good 040791041b68fbc06511834b225c5974daa5088b Bisecting: 21 revisions left to test after this (roughly 5 steps) [a16144bda9c332079b6a1db52725e9c22007114d] crypto: atmel - Remove cfb and ofb testing commit a16144bda9c332079b6a1db52725e9c22007114d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bbe44345d2fae23ab16e9ce15557b894cb4d5b3665bbb29925aedcddc09e0daa all runs: OK false negative chance: 0.000 # git bisect good a16144bda9c332079b6a1db52725e9c22007114d Bisecting: 10 revisions left to test after this (roughly 4 steps) [92650f930073a0d98c8479b0b4341a613223ec10] crypto: ccree - Remove ofb testing commit 92650f930073a0d98c8479b0b4341a613223ec10 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c819b36e71207d2ef4254c57e3976c39b17440496ad25445ccbf5c009a3e56f2 all runs: OK false negative chance: 0.000 # git bisect good 92650f930073a0d98c8479b0b4341a613223ec10 Bisecting: 5 revisions left to test after this (roughly 3 steps) [662ea18d089ba6fa02859fbd64f2aa78d88c6648] crypto: skcipher - Make use of internal state testing commit 662ea18d089ba6fa02859fbd64f2aa78d88c6648 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 532327c3e8d226e8a91f37c5c072e843f3e09d9e4d50560048110cf91b7e0884 all runs: OK false negative chance: 0.000 # git bisect good 662ea18d089ba6fa02859fbd64f2aa78d88c6648 Bisecting: 2 revisions left to test after this (roughly 2 steps) [555e387047761eb909a0a1a8230efad3fa3e82ca] crypto: starfive - Remove unneeded NULL checks testing commit 555e387047761eb909a0a1a8230efad3fa3e82ca gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bb1bd8302a8dd6a6a0cde5ba983953bc280276ef69a0ce40b556d941a7fdaa8f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad 555e387047761eb909a0a1a8230efad3fa3e82ca Bisecting: 0 revisions left to test after this (roughly 1 step) [99bd99d3e3a7f73c1c01ef510d48730b3bdd2c4a] crypto: algif_skcipher - Fix stream cipher chaining testing commit 99bd99d3e3a7f73c1c01ef510d48730b3bdd2c4a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 56adf240c4d845651148c2b3d407a50543fdb65c6dac0d440a9acc8835ecde26 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad 99bd99d3e3a7f73c1c01ef510d48730b3bdd2c4a Bisecting: 0 revisions left to test after this (roughly 0 steps) [47309ea1359115125d9cab17a279c8df72b47235] crypto: arc4 - Add internal state testing commit 47309ea1359115125d9cab17a279c8df72b47235 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f1b49bf896bfb5fba854de9c478474caab0ef39e139b9e153e0b1f52f7bf6db all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt representative crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt, types: [UNKNOWN] # git bisect bad 47309ea1359115125d9cab17a279c8df72b47235 47309ea1359115125d9cab17a279c8df72b47235 is the first bad commit commit 47309ea1359115125d9cab17a279c8df72b47235 Author: Herbert Xu Date: Tue Nov 28 14:52:57 2023 +0800 crypto: arc4 - Add internal state The arc4 algorithm has always had internal state. It's been buggy from day one in that the state has been stored in the shared tfm object. That means two users sharing the same tfm will end up affecting each other's output, or worse, they may end up with the same output. Fix this by declaring an internal state and storing the state there instead of within the tfm context. Signed-off-by: Herbert Xu crypto/arc4.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: 4f1b49bf896bfb5fba854de9c478474caab0ef39e139b9e153e0b1f52f7bf6db parent signature: 532327c3e8d226e8a91f37c5c072e843f3e09d9e4d50560048110cf91b7e0884 revisions tested: 22, total time: 8h48m24.8199303s (build: 5h51m41.020923208s, test: 2h36m20.587613283s) first bad commit: 47309ea1359115125d9cab17a279c8df72b47235 crypto: arc4 - Add internal state recipients (to): ["davem@davemloft.net" "herbert@gondor.apana.org.au" "herbert@gondor.apana.org.au" "linux-crypto@vger.kernel.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: BUG: unable to handle kernel NULL pointer dereference in crypto_arc4_crypt "syz-executor.0" (2003) uses obsolete ecb(arc4) skcipher BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 109372067 P4D 109372067 PUD 109727067 PMD 0 Oops: 0002 [#1] PREEMPT SMP CPU: 1 PID: 2003 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:memcpy_orig+0x31/0x120 arch/x86/lib/memcpy_64.S:71 Code: 48 83 fa 20 0f 82 86 00 00 00 40 38 fe 7c 35 48 83 ea 20 48 83 ea 20 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c 8b 5e 18 48 8d 76 20 <4c> 89 07 4c 89 4f 08 4c 89 57 10 4c 89 5f 18 48 8d 7f 20 73 d4 83 RSP: 0018:ffffc90001e57bf0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff8881786890a0 RCX: 0000000000000001 RDX: 00000000000003c8 RSI: ffff888106771040 RDI: 0000000000000000 RBP: ffff88810b6e8000 R08: 0000000400000003 R09: 0000002200000071 R10: 0000000800000016 R11: 0000001700000083 R12: 0000000000000001 R13: 0000000000000001 R14: ffff888106768ae0 R15: ffff88810b6e8000 FS: 00007f0c6330b6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001017e6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: crypto_arc4_crypt+0x28/0x50 crypto/arc4.c:33 crypto_cbc_decrypt_segment crypto/cbc.c:80 [inline] crypto_cbc_decrypt+0x79/0x190 crypto/cbc.c:133 crypto_lskcipher_crypt_sg+0xcc/0x150 crypto/lskcipher.c:229 _skcipher_recvmsg crypto/algif_skcipher.c:138 [inline] skcipher_recvmsg+0x39b/0x420 crypto/algif_skcipher.c:157 sock_recvmsg_nosec net/socket.c:1044 [inline] sock_recvmsg+0x43/0x70 net/socket.c:1066 __sys_recvfrom+0xcd/0x140 net/socket.c:2242 __do_sys_recvfrom net/socket.c:2260 [inline] __se_sys_recvfrom net/socket.c:2256 [inline] __x64_sys_recvfrom+0x1f/0x30 net/socket.c:2256 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f0c6267e9d4 Code: 89 4c 24 1c e8 dd 51 02 00 44 8b 54 24 1c 8b 3c 24 45 31 c9 89 c5 48 8b 54 24 10 48 8b 74 24 08 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 04 24 e8 29 52 02 00 48 8b 04 RSP: 002b:00007f0c63309f70 EFLAGS: 00000246 ORIG_RAX: 000000000000002d RAX: ffffffffffffffda RBX: 00007f0c6330a050 RCX: 00007f0c6267e9d4 RDX: 0000000000001000 RSI: 00007f0c6330a0a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007f0c6330a008 R14: 00007f0c6330a0a0 R15: 0000000000000000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:memcpy_orig+0x31/0x120 arch/x86/lib/memcpy_64.S:71 Code: 48 83 fa 20 0f 82 86 00 00 00 40 38 fe 7c 35 48 83 ea 20 48 83 ea 20 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c 8b 5e 18 48 8d 76 20 <4c> 89 07 4c 89 4f 08 4c 89 57 10 4c 89 5f 18 48 8d 7f 20 73 d4 83 RSP: 0018:ffffc90001e57bf0 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff8881786890a0 RCX: 0000000000000001 RDX: 00000000000003c8 RSI: ffff888106771040 RDI: 0000000000000000 RBP: ffff88810b6e8000 R08: 0000000400000003 R09: 0000002200000071 R10: 0000000800000016 R11: 0000001700000083 R12: 0000000000000001 R13: 0000000000000001 R14: ffff888106768ae0 R15: ffff88810b6e8000 FS: 00007f0c6330b6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001017e6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 83 fa 20 cmp $0x20,%rdx 4: 0f 82 86 00 00 00 jb 0x90 a: 40 38 fe cmp %dil,%sil d: 7c 35 jl 0x44 f: 48 83 ea 20 sub $0x20,%rdx 13: 48 83 ea 20 sub $0x20,%rdx 17: 4c 8b 06 mov (%rsi),%r8 1a: 4c 8b 4e 08 mov 0x8(%rsi),%r9 1e: 4c 8b 56 10 mov 0x10(%rsi),%r10 22: 4c 8b 5e 18 mov 0x18(%rsi),%r11 26: 48 8d 76 20 lea 0x20(%rsi),%rsi * 2a: 4c 89 07 mov %r8,(%rdi) <-- trapping instruction 2d: 4c 89 4f 08 mov %r9,0x8(%rdi) 31: 4c 89 57 10 mov %r10,0x10(%rdi) 35: 4c 89 5f 18 mov %r11,0x18(%rdi) 39: 48 8d 7f 20 lea 0x20(%rdi),%rdi 3d: 73 d4 jae 0x13 3f: 83 .byte 0x83