ci starts bisection 2023-12-25 06:14:54.819564065 +0000 UTC m=+214922.416329273 bisecting fixing commit since ae074e2b2fd410bf54d56509a7e48fb83873af3b building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84 ensuring issue is reproducible on original commit ae074e2b2fd410bf54d56509a7e48fb83873af3b testing commit ae074e2b2fd410bf54d56509a7e48fb83873af3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0bf2769bb18df9d3a1b175f4c017d597de534aa201de0c492811d2c52c0c1508 all runs: crashed: general protection fault in lock_sock_nested representative crash: general protection fault in lock_sock_nested, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit ae074e2b2fd410bf54d56509a7e48fb83873af3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ebf69c71d162c9010f1bdc97648a8725a8a9192f4c6a166fb7c1a6665946ae7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3923 full=7650 leaves diff=1999 split chunks (needed=false): <1999> split chunk #0 of len 1999 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit ae074e2b2fd410bf54d56509a7e48fb83873af3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5e940058207afcc5f8686c278dad88b4419924faf76a8385d15f18b3a0d0078a all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit ae074e2b2fd410bf54d56509a7e48fb83873af3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef6341aadd2559dd5b8c37502826be875b8be6cd1cdb35768086eacc2d2632ba all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit ae074e2b2fd410bf54d56509a7e48fb83873af3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c36aa435c2f4153ed653c53a6627b9569ef1c0742605e7848ae238f6aceac195 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, 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 ae074e2b2fd410bf54d56509a7e48fb83873af3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c0d0103d8b9912d5cce3832bc7863150c14fe4b9655f3f4838ca8ad153711233 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit ae074e2b2fd410bf54d56509a7e48fb83873af3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9645e110de3396410292bc9c6b78619f00e92d7e9255b41a463979b78b03a3c0 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] the chunk can be dropped minimized to 400 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 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_WANT_OPTIMIZE_VMEMMAP 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_PUNT_BIO 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_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 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_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_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 DRM_BUDDY DRM_CIRRUS_QEMU ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD 7c5e046bdcb2513f9decb3765d8bf92d604279cf testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a841788efe182c9874a32b6858985e70b95b3c10a7d22dc5a28325177d5bc56c all runs: OK false negative chance: 0.000 # git bisect start 7c5e046bdcb2513f9decb3765d8bf92d604279cf ae074e2b2fd410bf54d56509a7e48fb83873af3b Bisecting: 14646 revisions left to test after this (roughly 14 steps) [3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012] Merge tag 'locking-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision ae074e2b2fd410bf54d56509a7e48fb83873af3b crashed and is reachable testing commit 3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7149a75822bd6a06ec4a94f47d76753f11b1e76c514a77aa0ac81476afc4d6c6 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] # git bisect good 3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012 Bisecting: 7447 revisions left to test after this (roughly 13 steps) [6eb04ca8c52e3f8c8ea7102ade81d642eee87f4a] HID: nintendo: Prevent divide-by-zero on code determine whether the revision contains the guilty commit revision ae074e2b2fd410bf54d56509a7e48fb83873af3b crashed and is reachable testing commit 6eb04ca8c52e3f8c8ea7102ade81d642eee87f4a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0b3990b0a6931c4ad927c4885632fa1249aee5119e26d47da839dd296619208d all runs: OK false negative chance: 0.000 # git bisect bad 6eb04ca8c52e3f8c8ea7102ade81d642eee87f4a Bisecting: 3754 revisions left to test after this (roughly 12 steps) [8bc9e6515183935fa0cccaf67455c439afe4982b] Merge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux determine whether the revision contains the guilty commit revision 3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012 crashed and is reachable testing commit 8bc9e6515183935fa0cccaf67455c439afe4982b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 054f65441a2a1eddc5d856d2554fa98b943781d30ddd76c3c5ab7ee6b44b9721 all runs: OK false negative chance: 0.000 # git bisect bad 8bc9e6515183935fa0cccaf67455c439afe4982b Bisecting: 1704 revisions left to test after this (roughly 11 steps) [c6f9b7138bf5c6b826175c9e0ad5f5dbfff4fa36] Merge tag 'for-netdev' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next determine whether the revision contains the guilty commit revision ae074e2b2fd410bf54d56509a7e48fb83873af3b crashed and is reachable testing commit c6f9b7138bf5c6b826175c9e0ad5f5dbfff4fa36 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2faff7b219c09e817775f2d1e72ded6a44f79bd999b6256a134f54b389a67a99 all runs: OK false negative chance: 0.000 # git bisect bad c6f9b7138bf5c6b826175c9e0ad5f5dbfff4fa36 Bisecting: 801 revisions left to test after this (roughly 10 steps) [a1fb841f9d189d257814562dacb3d65667f2a9c3] Merge tag 'wireless-next-2023-10-06' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next determine whether the revision contains the guilty commit revision ae074e2b2fd410bf54d56509a7e48fb83873af3b crashed and is reachable testing commit a1fb841f9d189d257814562dacb3d65667f2a9c3 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2066c8c7c6414253e06efca2fdada811e22718d731e5487eb97474bfc5d58511 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] # git bisect good a1fb841f9d189d257814562dacb3d65667f2a9c3 Bisecting: 383 revisions left to test after this (roughly 9 steps) [56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c] Merge tag 'wireless-next-2023-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next determine whether the revision contains the guilty commit revision a1fb841f9d189d257814562dacb3d65667f2a9c3 crashed and is reachable testing commit 56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 36785c5eca26cc81e309e4071afd90d870eaaf9d7ab50591bff9eb054f251e0f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] # git bisect good 56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c Bisecting: 191 revisions left to test after this (roughly 8 steps) [a97258dba7d298669899d86e5aecb9f718bee531] Bluetooth: Add support for Intel Misty Peak - 8087:0038 determine whether the revision contains the guilty commit revision ae074e2b2fd410bf54d56509a7e48fb83873af3b crashed and is reachable testing commit a97258dba7d298669899d86e5aecb9f718bee531 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a398a8bc56534f40dfd39f78fecfd23a0c0a0eb07709bc11c352926e97e1293d all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] # git bisect good a97258dba7d298669899d86e5aecb9f718bee531 Bisecting: 95 revisions left to test after this (roughly 7 steps) [a1ab24e5fc4a3048a1b3a24ab0ddc7b73358baa9] mptcp: consolidate sockopt synchronization determine whether the revision contains the guilty commit revision ae074e2b2fd410bf54d56509a7e48fb83873af3b crashed and is reachable testing commit a1ab24e5fc4a3048a1b3a24ab0ddc7b73358baa9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 52e75d981c1d4645c542fe21717a8fa3dfbe1c399c6d96eba26d85a43c79abfd all runs: OK false negative chance: 0.000 # git bisect bad a1ab24e5fc4a3048a1b3a24ab0ddc7b73358baa9 Bisecting: 47 revisions left to test after this (roughly 6 steps) [1d0507f46843b14b0cb051fe50ebc7e6432111ab] net: mptcp: convert netlink from small_ops to ops determine whether the revision contains the guilty commit revision 56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c crashed and is reachable testing commit 1d0507f46843b14b0cb051fe50ebc7e6432111ab gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f5b5adc4c5716929e33463d987e64346eb7c53f523341d8f8f01b81947fe12c all runs: OK false negative chance: 0.000 # git bisect bad 1d0507f46843b14b0cb051fe50ebc7e6432111ab Bisecting: 31 revisions left to test after this (roughly 5 steps) [4fb56e3e92bcac98625ebb85bd931785e7779cec] Merge branch 'devlink-finish-conversion-to-generated-split_ops' determine whether the revision contains the guilty commit revision a1fb841f9d189d257814562dacb3d65667f2a9c3 crashed and is reachable testing commit 4fb56e3e92bcac98625ebb85bd931785e7779cec gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1b17fc6a2f9ad199a9692887dfb08bd0c0f2114c62d9f789d810794ec5d8900f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] # git bisect good 4fb56e3e92bcac98625ebb85bd931785e7779cec Bisecting: 15 revisions left to test after this (roughly 4 steps) [f4dbc2bb7a54d3bff234a9f1915f1b7187bedb1f] Merge tag 'for-net-next-2023-10-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next determine whether the revision contains the guilty commit revision a1fb841f9d189d257814562dacb3d65667f2a9c3 crashed and is reachable testing commit f4dbc2bb7a54d3bff234a9f1915f1b7187bedb1f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ff9ac9dd986a0affa7f268f74218ed848fc83b3d932f4a9c36650ba65f2a9212 all runs: OK false negative chance: 0.000 # git bisect bad f4dbc2bb7a54d3bff234a9f1915f1b7187bedb1f Bisecting: 7 revisions left to test after this (roughly 3 steps) [624820f7c8826dd010e8b1963303c145f99816e9] Bluetooth: btusb: Add date->evt_skb is NULL check determine whether the revision contains the guilty commit revision a1fb841f9d189d257814562dacb3d65667f2a9c3 crashed and is reachable testing commit 624820f7c8826dd010e8b1963303c145f99816e9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c245b2ff6da9da757bc69870375c023a263b5dfef7aae8d036c4997aa5b24b41 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested representative crash: BUG: unable to handle kernel NULL pointer dereference in lock_sock_nested, types: [UNKNOWN] # git bisect good 624820f7c8826dd010e8b1963303c145f99816e9 Bisecting: 3 revisions left to test after this (roughly 2 steps) [da06ff1f585ea784c79f80e7fab0e0c4ebb49c1c] Bluetooth: btusb: Add 0bda:b85b for Fn-Link RTL8852BE determine whether the revision contains the guilty commit revision 624820f7c8826dd010e8b1963303c145f99816e9 crashed and is reachable testing commit da06ff1f585ea784c79f80e7fab0e0c4ebb49c1c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bc0379123de9aaaa4f350cb412d0cf7c2de5c8d0af454aebd6c78ea56739cfaa all runs: OK false negative chance: 0.000 # git bisect bad da06ff1f585ea784c79f80e7fab0e0c4ebb49c1c Bisecting: 1 revision left to test after this (roughly 1 step) [f4da3ee15de9944482382181329bb6d7335ca003] Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID determine whether the revision contains the guilty commit revision 56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c crashed and is reachable testing commit f4da3ee15de9944482382181329bb6d7335ca003 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad4fac13afec9010dc931ef00099dbff1dd7972153eeb15dac63bfbcacb04428 all runs: OK false negative chance: 0.000 # git bisect bad f4da3ee15de9944482382181329bb6d7335ca003 Bisecting: 0 revisions left to test after this (roughly 0 steps) [181a42edddf51d5d9697ecdf365d72ebeab5afb0] Bluetooth: Make handle of hci_conn be unique determine whether the revision contains the guilty commit revision 56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c crashed and is reachable testing commit 181a42edddf51d5d9697ecdf365d72ebeab5afb0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d48334eb3f3e7d34396f4cd70cf5c23986445dad8b2888a51776219eb6f0f487 all runs: OK false negative chance: 0.000 # git bisect bad 181a42edddf51d5d9697ecdf365d72ebeab5afb0 181a42edddf51d5d9697ecdf365d72ebeab5afb0 is the first bad commit commit 181a42edddf51d5d9697ecdf365d72ebeab5afb0 Author: Ziyang Xuan Date: Wed Oct 11 17:57:31 2023 +0800 Bluetooth: Make handle of hci_conn be unique The handle of new hci_conn is always HCI_CONN_HANDLE_MAX + 1 if the handle of the first hci_conn entry in hci_dev->conn_hash->list is not HCI_CONN_HANDLE_MAX + 1. Use ida to manage the allocation of hci_conn->handle to make it be unique. Fixes: 9f78191cc9f1 ("Bluetooth: hci_conn: Always allocate unique handles") Signed-off-by: Ziyang Xuan Signed-off-by: Luiz Augusto von Dentz include/net/bluetooth/hci_core.h | 6 ++++- net/bluetooth/amp.c | 3 +-- net/bluetooth/hci_conn.c | 57 ++++++++++++++++++++++------------------ net/bluetooth/hci_core.c | 3 +++ net/bluetooth/hci_event.c | 38 +++++++++++---------------- 5 files changed, 56 insertions(+), 51 deletions(-) accumulated error probability: 0.00 culprit signature: d48334eb3f3e7d34396f4cd70cf5c23986445dad8b2888a51776219eb6f0f487 parent signature: c245b2ff6da9da757bc69870375c023a263b5dfef7aae8d036c4997aa5b24b41 revisions tested: 23, total time: 5h24m5.772143078s (build: 2h15m56.911556596s, test: 2h52m21.693624341s) first good commit: 181a42edddf51d5d9697ecdf365d72ebeab5afb0 Bluetooth: Make handle of hci_conn be unique recipients (to): ["davem@davemloft.net" "edumazet@google.com" "johan.hedberg@gmail.com" "kuba@kernel.org" "linux-bluetooth@vger.kernel.org" "luiz.dentz@gmail.com" "luiz.von.dentz@intel.com" "marcel@holtmann.org" "netdev@vger.kernel.org" "pabeni@redhat.com" "william.xuanziyang@huawei.com"] recipients (cc): ["linux-kernel@vger.kernel.org"]