ci starts bisection 2023-12-21 00:14:35.359284003 +0000 UTC m=+37.935556449 bisecting fixing commit since dd72f9c7e512da377074d47d990564959b772643 building syzkaller on 342b9c5594e85819665af37b55afe27d0731379f ensuring issue is reproducible on original commit dd72f9c7e512da377074d47d990564959b772643 testing commit dd72f9c7e512da377074d47d990564959b772643 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 13c12984ca649e2a6b75f2bd48c0f48bffb6783be7fe0ebfa4915ea8190fe54a run #0: crashed: possible deadlock in j1939_session_activate run #1: crashed: possible deadlock in j1939_sk_queue_drop_all run #2: crashed: possible deadlock in j1939_session_activate run #3: crashed: possible deadlock in j1939_sk_queue_drop_all run #4: crashed: possible deadlock in j1939_session_activate run #5: crashed: possible deadlock in j1939_session_activate run #6: crashed: possible deadlock in j1939_sk_queue_drop_all run #7: crashed: possible deadlock in j1939_session_activate run #8: crashed: possible deadlock in j1939_session_activate run #9: crashed: possible deadlock in j1939_sk_queue_drop_all run #10: crashed: possible deadlock in j1939_sk_queue_drop_all run #11: crashed: possible deadlock in j1939_session_activate run #12: crashed: possible deadlock in j1939_sk_queue_drop_all run #13: crashed: possible deadlock in j1939_session_activate run #14: OK run #15: crashed: possible deadlock in j1939_sk_queue_drop_all run #16: crashed: possible deadlock in j1939_session_activate run #17: crashed: possible deadlock in j1939_session_activate run #18: OK run #19: OK representative crash: possible deadlock in j1939_session_activate, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed testing commit dd72f9c7e512da377074d47d990564959b772643 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7e147a31eb920a4c7645b9e0a0f8c9e154f12daa4f20ce3e21de7ae11c66f51 run #0: crashed: possible deadlock in j1939_sk_queue_drop_all run #1: crashed: possible deadlock in j1939_sk_queue_drop_all run #2: crashed: possible deadlock in j1939_session_activate run #3: crashed: possible deadlock in j1939_session_activate run #4: crashed: possible deadlock in j1939_sk_queue_drop_all run #5: crashed: possible deadlock in j1939_sk_queue_drop_all run #6: crashed: possible deadlock in j1939_sk_queue_drop_all run #7: crashed: possible deadlock in j1939_sk_queue_drop_all run #8: crashed: possible deadlock in j1939_sk_queue_drop_all run #9: crashed: possible deadlock in j1939_sk_queue_drop_all representative crash: possible deadlock in j1939_sk_queue_drop_all, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3915 full=7688 leaves diff=2008 split chunks (needed=false): <2008> split chunk #0 of len 2008 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit dd72f9c7e512da377074d47d990564959b772643 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cea77e49c3808dad59ff226b9e7d12bdd01c6f847c1802d08b4ed34284720031 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit dd72f9c7e512da377074d47d990564959b772643 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 596b41549543f7107fe760bb336eb349d12cbe60602b7aebbad906f9fddcf63f run #0: crashed: possible deadlock in j1939_sk_queue_drop_all run #1: crashed: possible deadlock in j1939_session_activate run #2: crashed: possible deadlock in j1939_sk_queue_drop_all run #3: crashed: possible deadlock in j1939_session_activate run #4: crashed: possible deadlock in j1939_sk_queue_drop_all run #5: crashed: possible deadlock in j1939_sk_queue_drop_all run #6: crashed: possible deadlock in j1939_sk_queue_drop_all run #7: crashed: possible deadlock in j1939_session_activate run #8: crashed: possible deadlock in j1939_sk_queue_drop_all run #9: crashed: possible deadlock in j1939_session_activate representative crash: possible deadlock in j1939_sk_queue_drop_all, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit dd72f9c7e512da377074d47d990564959b772643 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 367503385bf324342d0489b90c917a5d41950302b4fe934eef996abe0947ddf7 run #0: crashed: possible deadlock in j1939_sk_queue_drop_all run #1: crashed: possible deadlock in j1939_sk_queue_drop_all run #2: crashed: possible deadlock in j1939_sk_queue_drop_all run #3: crashed: possible deadlock in j1939_session_activate run #4: crashed: possible deadlock in j1939_session_activate run #5: crashed: possible deadlock in j1939_sk_queue_drop_all run #6: crashed: possible deadlock in j1939_sk_queue_drop_all run #7: crashed: possible deadlock in j1939_session_activate run #8: crashed: possible deadlock in j1939_sk_queue_drop_all run #9: crashed: possible deadlock in j1939_sk_queue_drop_all representative crash: possible deadlock in j1939_sk_queue_drop_all, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit dd72f9c7e512da377074d47d990564959b772643 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50d961be936a5b8e086fced1c9ea139ca4b1c84c0d3bbee811bad4896e0b5c2e all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit dd72f9c7e512da377074d47d990564959b772643 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb6234f5ba90d8c5fcd18c69cfa88e5612d35ae4e3d7986bf5c5747848439247 run #0: crashed: possible deadlock in j1939_session_activate run #1: crashed: possible deadlock in j1939_session_activate run #2: crashed: possible deadlock in j1939_session_activate run #3: crashed: possible deadlock in j1939_session_activate run #4: crashed: possible deadlock in j1939_session_activate run #5: crashed: possible deadlock in j1939_session_activate run #6: crashed: possible deadlock in j1939_sk_queue_drop_all run #7: crashed: possible deadlock in j1939_session_activate run #8: crashed: possible deadlock in j1939_session_activate run #9: crashed: possible deadlock in j1939_session_activate representative crash: possible deadlock in j1939_session_activate, types: [LOCKDEP] the chunk can be dropped minimized to 804 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 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 DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_BOCHS DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DVB_CORE ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_DRAGONRISE HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_RTRS_CLIENT INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IOSCHED_BFQ IP_SCTP ISDN ISDN_CAPI L2TP LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_CLS_U32 NET_IPGRE NET_IPGRE_DEMUX NET_SCH_DEFAULT NFS_V4_1 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TARGET_CORE TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_DEVICE TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_PHY USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VLAN_8021Q VXLAN WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD 1a44b0073b9235521280e19d963b6dfef7888f18 testing commit 1a44b0073b9235521280e19d963b6dfef7888f18 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1f620b468f45048dfbbad7f438d5435ef70c629178aad773f2ab80eb0fd2fe72 run #0: crashed: possible deadlock in j1939_session_activate run #1: crashed: possible deadlock in j1939_session_activate run #2: crashed: possible deadlock in j1939_session_activate run #3: crashed: possible deadlock in j1939_sk_queue_drop_all run #4: crashed: possible deadlock in j1939_sk_queue_drop_all run #5: crashed: possible deadlock in j1939_session_activate run #6: crashed: possible deadlock in j1939_session_activate run #7: crashed: possible deadlock in j1939_session_activate run #8: OK run #9: OK representative crash: possible deadlock in j1939_session_activate, types: [LOCKDEP] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 3h12m46.477153411s (build: 1h13m59.572507242s, test: 55m25.644488719s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'ovl-fixes-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs crash: possible deadlock in j1939_session_activate ====================================================== WARNING: possible circular locking dependency detected 6.7.0-rc6-syzkaller #0 Not tainted ------------------------------------------------------ ksoftirqd/1/22 is trying to acquire lock: ffff888113ef9088 (&priv->active_session_list_lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] ffff888113ef9088 (&priv->active_session_list_lock){+.-.}-{2:2}, at: j1939_session_list_lock net/can/j1939/transport.c:238 [inline] ffff888113ef9088 (&priv->active_session_list_lock){+.-.}-{2:2}, at: j1939_session_activate+0x23/0x110 net/can/j1939/transport.c:1564 but task is already holding lock: ffff8881476555c8 (&jsk->sk_session_queue_lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] ffff8881476555c8 (&jsk->sk_session_queue_lock){+.-.}-{2:2}, at: j1939_sk_queue_activate_next+0x2d/0x150 net/can/j1939/socket.c:207 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&jsk->sk_session_queue_lock){+.-.}-{2:2}: __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] j1939_sk_queue_drop_all+0x22/0xc0 net/can/j1939/socket.c:139 j1939_sk_netdev_event_netdown+0x3f/0x80 net/can/j1939/socket.c:1282 j1939_netdev_notify+0xb1/0xf0 net/can/j1939/main.c:381 notifier_call_chain+0x69/0xf0 kernel/notifier.c:93 __dev_notify_flags+0xe8/0x180 dev_change_flags+0x4c/0x60 net/core/dev.c:8682 do_setlink+0x4f3/0x1170 net/core/rtnetlink.c:2916 __rtnl_newlink net/core/rtnetlink.c:3707 [inline] rtnl_newlink+0xb8c/0xe40 net/core/rtnetlink.c:3754 rtnetlink_rcv_msg+0x398/0x670 net/core/rtnetlink.c:6558 netlink_rcv_skb+0xd9/0x100 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x23b/0x320 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x3ad/0x440 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x19a/0x240 net/socket.c:2584 ___sys_sendmsg+0x28f/0x2d0 net/socket.c:2638 __sys_sendmsg net/socket.c:2667 [inline] __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg+0xf7/0x130 net/socket.c:2674 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b -> #1 (&priv->j1939_socks_lock){+.-.}-{2:2}: __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] j1939_sk_errqueue+0x48/0xb0 net/can/j1939/socket.c:1083 __j1939_session_release net/can/j1939/transport.c:294 [inline] kref_put include/linux/kref.h:65 [inline] j1939_session_put+0x55/0x160 net/can/j1939/transport.c:299 j1939_session_deactivate_locked net/can/j1939/transport.c:1086 [inline] j1939_cancel_active_session+0x62/0x150 net/can/j1939/transport.c:2194 j1939_netdev_notify+0xa9/0xf0 net/can/j1939/main.c:380 notifier_call_chain+0x69/0xf0 kernel/notifier.c:93 __dev_notify_flags+0xe8/0x180 dev_change_flags+0x4c/0x60 net/core/dev.c:8682 do_setlink+0x4f3/0x1170 net/core/rtnetlink.c:2916 __rtnl_newlink net/core/rtnetlink.c:3707 [inline] rtnl_newlink+0xb8c/0xe40 net/core/rtnetlink.c:3754 rtnetlink_rcv_msg+0x398/0x670 net/core/rtnetlink.c:6558 netlink_rcv_skb+0xd9/0x100 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x23b/0x320 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x3ad/0x440 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x19a/0x240 net/socket.c:2584 ___sys_sendmsg+0x28f/0x2d0 net/socket.c:2638 __sys_sendmsg net/socket.c:2667 [inline] __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg+0xf7/0x130 net/socket.c:2674 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b -> #0 (&priv->active_session_list_lock){+.-.}-{2:2}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x11f6/0x2480 kernel/locking/lockdep.c:5137 lock_acquire+0xea/0x260 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] j1939_session_list_lock net/can/j1939/transport.c:238 [inline] j1939_session_activate+0x23/0x110 net/can/j1939/transport.c:1564 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] j1939_sk_queue_activate_next+0xd6/0x150 net/can/j1939/socket.c:208 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1108 [inline] j1939_session_completed net/can/j1939/transport.c:1222 [inline] j1939_xtp_rx_eoma_one net/can/j1939/transport.c:1395 [inline] j1939_xtp_rx_eoma+0x14b/0x1c0 net/can/j1939/transport.c:1410 j1939_tp_cmd_recv net/can/j1939/transport.c:2099 [inline] j1939_tp_recv+0x2ea/0x4a0 net/can/j1939/transport.c:2144 j1939_can_recv+0x1e4/0x290 net/can/j1939/main.c:112 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0x76/0x160 net/can/af_can.c:606 can_receive+0x107/0x190 net/can/af_can.c:663 can_rcv+0x4b/0x90 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5529 [inline] __netif_receive_skb+0x50/0xe0 net/core/dev.c:5643 process_backlog+0x1b6/0x2d0 net/core/dev.c:5971 __napi_poll+0x24/0x1c0 net/core/dev.c:6533 napi_poll net/core/dev.c:6602 [inline] net_rx_action+0x1b9/0x390 net/core/dev.c:6735 __do_softirq+0x146/0x3c8 kernel/softirq.c:553 run_ksoftirqd+0x50/0x80 kernel/softirq.c:921 smpboot_thread_fn+0x152/0x200 kernel/smpboot.c:164 kthread+0xe5/0x100 kernel/kthread.c:388 ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 other info that might help us debug this: Chain exists of: &priv->active_session_list_lock --> &priv->j1939_socks_lock --> &jsk->sk_session_queue_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&jsk->sk_session_queue_lock); lock(&priv->j1939_socks_lock); lock(&jsk->sk_session_queue_lock); lock(&priv->active_session_list_lock); *** DEADLOCK *** 3 locks held by ksoftirqd/1/22: #0: ffffffff83f7d500 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline] #0: ffffffff83f7d500 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline] #0: ffffffff83f7d500 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x14a/0x2d0 net/core/dev.c:5970 #1: ffffffff83f7d500 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline] #1: ffffffff83f7d500 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline] #1: ffffffff83f7d500 (rcu_read_lock){....}-{1:2}, at: can_receive+0x5f/0x190 net/can/af_can.c:656 #2: ffff8881476555c8 (&jsk->sk_session_queue_lock){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] #2: ffff8881476555c8 (&jsk->sk_session_queue_lock){+.-.}-{2:2}, at: j1939_sk_queue_activate_next+0x2d/0x150 net/can/j1939/socket.c:207 stack backtrace: CPU: 1 PID: 22 Comm: ksoftirqd/1 Not tainted 6.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8d/0xe0 lib/dump_stack.c:106 check_noncircular+0x115/0x140 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x11f6/0x2480 kernel/locking/lockdep.c:5137 lock_acquire+0xea/0x260 kernel/locking/lockdep.c:5754 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] j1939_session_list_lock net/can/j1939/transport.c:238 [inline] j1939_session_activate+0x23/0x110 net/can/j1939/transport.c:1564 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] j1939_sk_queue_activate_next+0xd6/0x150 net/can/j1939/socket.c:208 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1108 [inline] j1939_session_completed net/can/j1939/transport.c:1222 [inline] j1939_xtp_rx_eoma_one net/can/j1939/transport.c:1395 [inline] j1939_xtp_rx_eoma+0x14b/0x1c0 net/can/j1939/transport.c:1410 j1939_tp_cmd_recv net/can/j1939/transport.c:2099 [inline] j1939_tp_recv+0x2ea/0x4a0 net/can/j1939/transport.c:2144 j1939_can_recv+0x1e4/0x290 net/can/j1939/main.c:112 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0x76/0x160 net/can/af_can.c:606 can_receive+0x107/0x190 net/can/af_can.c:663 can_rcv+0x4b/0x90 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5529 [inline] __netif_receive_skb+0x50/0xe0 net/core/dev.c:5643 process_backlog+0x1b6/0x2d0 net/core/dev.c:5971 __napi_poll+0x24/0x1c0 net/core/dev.c:6533 napi_poll net/core/dev.c:6602 [inline] net_rx_action+0x1b9/0x390 net/core/dev.c:6735 __do_softirq+0x146/0x3c8 kernel/softirq.c:553 run_ksoftirqd+0x50/0x80 kernel/softirq.c:921 smpboot_thread_fn+0x152/0x200 kernel/smpboot.c:164 kthread+0xe5/0x100 kernel/kthread.c:388 ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_xtp_rx_dat: no tx connection found vxcan0: j1939_tp_rxtimer: 0xffff88811394ba00: rx timeout, send abort vxcan0: j1939_tp_rxtimer: 0xffff88811394ba00: abort rx timeout. Force session deactivation