ci starts bisection 2024-01-14 06:18:33.573735523 +0000 UTC m=+93619.421208510 bisecting fixing commit since 4b2b606075e50cdae62ab2356b0a1e206947c354 building syzkaller on 65faba36470e75a1339e6f79c8631c9578786b7b ensuring issue is reproducible on original commit 4b2b606075e50cdae62ab2356b0a1e206947c354 testing commit 4b2b606075e50cdae62ab2356b0a1e206947c354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70ff4c0b25fa7ac35e37cf044f6eb6629bcd62ea4bb808f96d635eecb0b648d2 all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 4b2b606075e50cdae62ab2356b0a1e206947c354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 62269dcde847845dc0e5d2d50b5f5d426a4e90383718df258ec7ecb99858c92b all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3923 full=7693 leaves diff=2006 split chunks (needed=false): <2006> split chunk #0 of len 2006 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 4b2b606075e50cdae62ab2356b0a1e206947c354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1f992c9b7dbd623e3f7da12af8f3462e03190417665cf8a925dcb96e8376010e all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 4b2b606075e50cdae62ab2356b0a1e206947c354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f9145892ba753400658e48fdd86464d07a3d489f67dcd103b20706864c4bfca2 all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 4b2b606075e50cdae62ab2356b0a1e206947c354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a912ceadb588cc747539469ff53bb472da04dae5e48522b9c4aafefbae09cb5 all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 4b2b606075e50cdae62ab2356b0a1e206947c354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe2620327ac06cb18ebfd63175bfbaa5cdde23cf3c050f67243199c4b7b9de90 all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 4b2b606075e50cdae62ab2356b0a1e206947c354 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10157cf7bec0049e7df36da976ea02068c18e1a6e8baecd026816b13ad25266a all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] the chunk can be dropped minimized to 402 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_PMD_MKWRITE 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 DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HELPER ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED 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 [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 894d7508316e7ad722df597d68b4b1797a9eee11 testing commit 894d7508316e7ad722df597d68b4b1797a9eee11 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0cf0d4597e2b3c2c72ba2a15dc7d4c6705b5bc7a1f23e955144ae3f3147364a1 all runs: OK false negative chance: 0.000 # git bisect start 894d7508316e7ad722df597d68b4b1797a9eee11 4b2b606075e50cdae62ab2356b0a1e206947c354 Bisecting: 12495 revisions left to test after this (roughly 14 steps) [6eb04ca8c52e3f8c8ea7102ade81d642eee87f4a] HID: nintendo: Prevent divide-by-zero on code determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 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: e08feed6b5fa684601f5d5863dc0238399f5952ac1dc696686811c98ec5ba65c all runs: OK false negative chance: 0.000 # git bisect bad 6eb04ca8c52e3f8c8ea7102ade81d642eee87f4a Bisecting: 6718 revisions left to test after this (roughly 13 steps) [5a6a09e97199d6600d31383055f9d43fbbcbe86f] Merge tag 'cgroup-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit 5a6a09e97199d6600d31383055f9d43fbbcbe86f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c4922529b6353a10ac500567e9af7933f5bed7cde442a283552fc43a63c2c59 all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] # git bisect good 5a6a09e97199d6600d31383055f9d43fbbcbe86f 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 4b2b606075e50cdae62ab2356b0a1e206947c354 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: 042610f1fbd35db973a01680259e81fd518fce19430e03e7023f3ee0907fbb43 all runs: OK false negative chance: 0.000 # git bisect bad 8bc9e6515183935fa0cccaf67455c439afe4982b Bisecting: 1481 revisions left to test after this (roughly 11 steps) [daee7aaba8491e64911438696c5f3f7cb77edf5e] mlxsw: pci: Permit toggling LAG mode determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit daee7aaba8491e64911438696c5f3f7cb77edf5e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f77c6b32f652fecc417f829d962ae19c32a516fd45d828d1ac0eb9f9afc015bb all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] # git bisect good daee7aaba8491e64911438696c5f3f7cb77edf5e Bisecting: 704 revisions left to test after this (roughly 10 steps) [ad1871ad8d9b3d252390ade8e2bcab7b773173ad] Merge tag 'pm-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm determine whether the revision contains the guilty commit revision daee7aaba8491e64911438696c5f3f7cb77edf5e crashed and is reachable testing commit ad1871ad8d9b3d252390ade8e2bcab7b773173ad gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: efeba791754b9a1fadf5dabdadd41392f74edab64779ff76df5a2cec3cd6d030 all runs: OK false negative chance: 0.000 # git bisect bad ad1871ad8d9b3d252390ade8e2bcab7b773173ad Bisecting: 362 revisions left to test after this (roughly 9 steps) [edd68156bccf1af233576ad847f4b138e8b88040] Merge tag 'wireless-next-2023-10-26' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit edd68156bccf1af233576ad847f4b138e8b88040 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb0a2b140445ab56208ad149beb52cf6acf85a1e35697158185dfc0c2c70f6d7 all runs: OK false negative chance: 0.000 # git bisect bad edd68156bccf1af233576ad847f4b138e8b88040 Bisecting: 212 revisions left to test after this (roughly 8 steps) [cc33a80b816406f900a53c7f98a50f6eacdd2e31] MAINTAINERS: Maintainer change for ptp_vmw driver determine whether the revision contains the guilty commit revision daee7aaba8491e64911438696c5f3f7cb77edf5e crashed and is reachable testing commit cc33a80b816406f900a53c7f98a50f6eacdd2e31 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 525be97f35789a58083b43e8164212d0065bafe0d66669f74215132fece85bc5 all runs: OK false negative chance: 0.000 # git bisect bad cc33a80b816406f900a53c7f98a50f6eacdd2e31 Bisecting: 100 revisions left to test after this (roughly 7 steps) [de97502e16fc406a74edee8359612e518986cf59] page_pool: introduce page_pool_alloc() API determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit de97502e16fc406a74edee8359612e518986cf59 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e288f6c2959ecff08f513582853fa752a5ffa4af6843a709ed8ce91fbe26318 all runs: OK false negative chance: 0.000 # git bisect bad de97502e16fc406a74edee8359612e518986cf59 Bisecting: 49 revisions left to test after this (roughly 6 steps) [003e07a1e48e9423647d2fef1c86b4caab3a94be] tcp: move tcp_ns_to_ts() to net/ipv4/syncookies.c determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit 003e07a1e48e9423647d2fef1c86b4caab3a94be gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb1fbc1e9b90042ca3d83b8c32c7e3a7657ca37d2787da5633204b69e5514dec all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] # git bisect good 003e07a1e48e9423647d2fef1c86b4caab3a94be Bisecting: 24 revisions left to test after this (roughly 5 steps) [f4da3ee15de9944482382181329bb6d7335ca003] Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 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: 19631b77458d77fcc609ce5b29f4edc4fcf4917b5d64686829cd153e362630f0 all runs: OK false negative chance: 0.000 # git bisect bad f4da3ee15de9944482382181329bb6d7335ca003 Bisecting: 12 revisions left to test after this (roughly 4 steps) [a254b90c9aac3d3d938a07e019773e35a977451b] Bluetooth: ISO: Fix BIS cleanup determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit a254b90c9aac3d3d938a07e019773e35a977451b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 292316e2eaad611576e450de664723bb939042b7ff3041c23b0ac05fcb6ce27c all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] # git bisect good a254b90c9aac3d3d938a07e019773e35a977451b Bisecting: 6 revisions left to test after this (roughly 3 steps) [02be109d3a405dbc4d53fb4b4473d7a113548088] Bluetooth: btusb: Add RTW8852BE device 13d3:3570 to device tables determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit 02be109d3a405dbc4d53fb4b4473d7a113548088 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 22d65870e37e25126939af6764587b2b9b6ac1a3df7a1fd1580e9dbe48ab2841 all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] # git bisect good 02be109d3a405dbc4d53fb4b4473d7a113548088 Bisecting: 3 revisions left to test after this (roughly 2 steps) [41c56aa94c647a0f84c5c33fffb3f283e6f0e5bf] Bluetooth: msft: __hci_cmd_sync() doesn't return NULL determine whether the revision contains the guilty commit revision 4b2b606075e50cdae62ab2356b0a1e206947c354 crashed and is reachable testing commit 41c56aa94c647a0f84c5c33fffb3f283e6f0e5bf gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 186f6b0770cf3b6c8f774783e9a235ef1f7e99705fe027d68b30884eaf8d4a2a all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] # git bisect good 41c56aa94c647a0f84c5c33fffb3f283e6f0e5bf Bisecting: 1 revision left to test after this (roughly 1 step) [624820f7c8826dd010e8b1963303c145f99816e9] Bluetooth: btusb: Add date->evt_skb is NULL check determine whether the revision contains the guilty commit revision daee7aaba8491e64911438696c5f3f7cb77edf5e 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: 834c7ea230a48359ed16c82cd1eaa0bebc34b27b2441726aec6c72fa1ab2f122 all runs: crashed: KASAN: slab-use-after-free Read in hci_send_acl representative crash: KASAN: slab-use-after-free Read in hci_send_acl, types: [KASAN] # git bisect good 624820f7c8826dd010e8b1963303c145f99816e9 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 624820f7c8826dd010e8b1963303c145f99816e9 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: 24675fe98bdf32e7a6ca05e2550e34802eb22c5aecaae0d08ebe122a6af52564 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: 24675fe98bdf32e7a6ca05e2550e34802eb22c5aecaae0d08ebe122a6af52564 parent signature: 834c7ea230a48359ed16c82cd1eaa0bebc34b27b2441726aec6c72fa1ab2f122 revisions tested: 23, total time: 8h17m30.498753531s (build: 4h22m29.564515346s, test: 3h24m51.50883268s) 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"]