ci starts bisection 2025-01-05 15:51:41.030447206 +0000 UTC m=+182427.847058852
bisecting fixing commit since 9f16d5e6f220661f73b36a4be1b21575651d8833
building syzkaller on 68da6d951a345757b69b764ceb8dda1e9d65b038
ensuring issue is reproducible on original commit 9f16d5e6f220661f73b36a4be1b21575651d8833

testing commit 9f16d5e6f220661f73b36a4be1b21575651d8833 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e769994cec893b719e722e165c7993e739ad390a5bd8a2fc0e5e162d9599a98b
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
check whether we can drop unnecessary instrumentation
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 9f16d5e6f220661f73b36a4be1b21575651d8833 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2b7fb831e31b249d06ef13dbcbfc399db0c7845141912f6621c030b6fd661327
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
kconfig minimization: base=4037 full=8221 leaves diff=2122
split chunks (needed=false): <2122>
split chunk #0 of len 2122 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 9f16d5e6f220661f73b36a4be1b21575651d8833 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5c888d19e2b9cf4248fdbd8252ad08c78f04af2a36a022fd8c2a9622573c4a10
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 9f16d5e6f220661f73b36a4be1b21575651d8833 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0f3d5be10c9d3f0bb75192f0cc635b299cabe9178fd1e89af26545a8d1b6340e
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 9f16d5e6f220661f73b36a4be1b21575651d8833 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bb742be8a751e1168af97d810ce78a4fc882112d8c3e494f235fe7737f47d75e
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 9f16d5e6f220661f73b36a4be1b21575651d8833 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 71323a4711b4791c88217899b1c17dbd92c1557f3ac6fda92b6ba404313211b6
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 9f16d5e6f220661f73b36a4be1b21575651d8833 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f4af5bcfc32c3445de8d2befcb47d192a4a5f8af80a7ad686f9355f2efff4040
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
the chunk can be dropped
minimized to 425 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_EC ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_DEFAULT_CRASH_DUMP ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_EXECMEM_ROX ARCH_HAS_PREEMPT_LAZY ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_SUPPORTS_RT ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_MTKSDIO BT_MTKUART BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCTR CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE]
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed
testing current HEAD ab75170520d4964f3acf8bb1f91d34cbc650688e
testing commit ab75170520d4964f3acf8bb1f91d34cbc650688e gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e7512228b73ff0ba334d2821de31d4c7026d54583895453a35662bfa32b7e5f8
all runs: OK
false negative chance: 0.000
# git bisect start ab75170520d4964f3acf8bb1f91d34cbc650688e 9f16d5e6f220661f73b36a4be1b21575651d8833
Bisecting: 2377 revisions left to test after this (roughly 11 steps)
[55cb93fd243bad2c6e15f9151a32f575d2f5371f] Merge tag 'driver-core-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

determine whether the revision contains the guilty commit
revision 9f16d5e6f220661f73b36a4be1b21575651d8833 crashed and is reachable
testing commit 55cb93fd243bad2c6e15f9151a32f575d2f5371f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 45f1f20c973002ee2c6d386da5a1e65e48a48c8211346e7df1b9874f13bb5c34
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
# git bisect good 55cb93fd243bad2c6e15f9151a32f575d2f5371f
Bisecting: 1188 revisions left to test after this (roughly 10 steps)
[2b90dcd599b62ccaaa367947037235de8e6bc3a7] Merge tag 'sound-6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

determine whether the revision contains the guilty commit
revision 9f16d5e6f220661f73b36a4be1b21575651d8833 crashed and is reachable
testing commit 2b90dcd599b62ccaaa367947037235de8e6bc3a7 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a8f6947393d808a8b9d3897582b23248dd8d873a4ea2ba1be3c8aac69fde480c
all runs: OK
false negative chance: 0.000
# git bisect bad 2b90dcd599b62ccaaa367947037235de8e6bc3a7
Bisecting: 587 revisions left to test after this (roughly 9 steps)
[baf67f6aa9d29512809f1b1fbab624fce57fd16d] Merge tag 'nfs-for-6.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

determine whether the revision contains the guilty commit
revision 9f16d5e6f220661f73b36a4be1b21575651d8833 crashed and is reachable
testing commit baf67f6aa9d29512809f1b1fbab624fce57fd16d gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a343f50ade1442d7975e98b21a45c0da72ff7b887598a223f621314ced4828ca
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
# git bisect good baf67f6aa9d29512809f1b1fbab624fce57fd16d
Bisecting: 309 revisions left to test after this (roughly 8 steps)
[dd54fcced81d479d77acbeb4eea74b9ab9276bff] Merge tag 'io_uring-6.13-20242901' of git://git.kernel.dk/linux

determine whether the revision contains the guilty commit
revision 9f16d5e6f220661f73b36a4be1b21575651d8833 crashed and is reachable
testing commit dd54fcced81d479d77acbeb4eea74b9ab9276bff gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0b03778829ae0fa8c4c9c2c73ad24189d786e651a8c3aa3897fc9d545b1e80e8
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
# git bisect good dd54fcced81d479d77acbeb4eea74b9ab9276bff
Bisecting: 145 revisions left to test after this (roughly 7 steps)
[42d52acfb10cfc53139a1139e1c401a52c3f924c] Merge tag 'linux-watchdog-6.13-rc1' of git://www.linux-watchdog.org/linux-watchdog

determine whether the revision contains the guilty commit
revision dd54fcced81d479d77acbeb4eea74b9ab9276bff crashed and is reachable
testing commit 42d52acfb10cfc53139a1139e1c401a52c3f924c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ab64f9a7c0c838abcd78d8121444be78ffe87399bd283dbeb972b46d4e024467
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
# git bisect good 42d52acfb10cfc53139a1139e1c401a52c3f924c
Bisecting: 72 revisions left to test after this (roughly 6 steps)
[4615855ea8c42aff76cc7772509445dc80bcd917] Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue

determine whether the revision contains the guilty commit
revision 9f16d5e6f220661f73b36a4be1b21575651d8833 crashed and is reachable
testing commit 4615855ea8c42aff76cc7772509445dc80bcd917 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dc644b9e94e06c8796ba480ec1072881cb4a095b4b2ec9b25b744648c0dbe7da
all runs: OK
false negative chance: 0.000
# git bisect bad 4615855ea8c42aff76cc7772509445dc80bcd917
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[22be4727a8f898442066bcac34f8a1ad0bc72e14] dccp: Fix memory leak in dccp_feat_change_recv

determine whether the revision contains the guilty commit
revision 9f16d5e6f220661f73b36a4be1b21575651d8833 crashed and is reachable
testing commit 22be4727a8f898442066bcac34f8a1ad0bc72e14 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5ef3a91e64414906a1cdbd104bb0545c9f90a9bc5d698a4c3c3768377c46e2c2
run #0: ignore: lost connection to test machine
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
false negative chance: 0.000
# git bisect bad 22be4727a8f898442066bcac34f8a1ad0bc72e14
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[a8c695005bfe6569acd73d777ca298ddddd66105] can: j1939: j1939_session_new(): fix skb reference counting

determine whether the revision contains the guilty commit
checking the merge base fcc79e1714e8c2b8e216dc3149812edd37884eef
no existing result, test the revision
testing commit fcc79e1714e8c2b8e216dc3149812edd37884eef gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6bc5fcf00a1df3cd5dbe7a4e588e98dbc6dec5095b515e214c9683219604c755
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
testing commit a8c695005bfe6569acd73d777ca298ddddd66105 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1f9b91859dc2c318aae00088b9fc4a7b272beba74aa5719701c0b16753e5cfb6
all runs: OK
false negative chance: 0.000
# git bisect bad a8c695005bfe6569acd73d777ca298ddddd66105
Bisecting: 7 revisions left to test after this (roughly 3 steps)
[bb03d568bb21b4afe7935d1943bcf68ddea3ea45] can: ifi_canfd: ifi_canfd_handle_lec_err(): fix {rx,tx}_errors statistics

determine whether the revision contains the guilty commit
revision fcc79e1714e8c2b8e216dc3149812edd37884eef crashed and is reachable
testing commit bb03d568bb21b4afe7935d1943bcf68ddea3ea45 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 459deb9628662eab2e77f7f0c76ce54cd462fa6c14346d4b8c8b6f49495eca4b
all runs: crashed: WARNING: refcount bug in j1939_session_put
representative crash: WARNING: refcount bug in j1939_session_put, types: [WARNING]
# git bisect good bb03d568bb21b4afe7935d1943bcf68ddea3ea45
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[72a7e2e74b3075959f05e622bae09b115957dffe] can: ems_usb: ems_usb_rx_err(): fix {rx,tx}_errors statistics

determine whether the revision contains the guilty commit
revision fcc79e1714e8c2b8e216dc3149812edd37884eef crashed and is reachable
revisions tested: 18, total time: 13h23m20.148633211s (build: 11h5m24.637431999s, test: 2h1m23.165458305s)
error: bisection is taking too long (>12h0m0s), aborting