ci starts bisection 2024-09-03 10:53:51.887376169 +0000 UTC m=+10072.566442344 bisecting cause commit starting from 5517ae241919e0208b077c910b0a369b9dce3c11 building syzkaller on 512328ba4c7c2d32f3ce13ad568a44b25d7e8df5 ensuring issue is reproducible on original commit 5517ae241919e0208b077c910b0a369b9dce3c11 testing commit 5517ae241919e0208b077c910b0a369b9dce3c11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: efebba11f30a44c7b425073ece35f4acfccc1ff2eb94c360d7dc88b9d10abbd6 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 5517ae241919e0208b077c910b0a369b9dce3c11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad7fcd0412825aa2cfb80b8ca5d66bb6bf6f4d43ffdd22c02f78d85a2f282672 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4045 full=8138 leaves diff=2106 split chunks (needed=false): <2106> split chunk #0 of len 2106 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 5517ae241919e0208b077c910b0a369b9dce3c11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69347698cc264dfd7e6072addae5b4711162cff31326b7685284e122072b47ff all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 5517ae241919e0208b077c910b0a369b9dce3c11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7414d496a56363969b400995fa554758333d48e8afe4cd9bd6c55d012c87e4b all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 5517ae241919e0208b077c910b0a369b9dce3c11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ce597342ac1977e1b9b6658f9db0513826b78896559dfa9d6adf095a37bac193 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 5517ae241919e0208b077c910b0a369b9dce3c11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: abf39c285997545516ea61e69a6e80efd4a7114f0a59a04fbaf932b87dc08ff1 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 5517ae241919e0208b077c910b0a369b9dce3c11 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d291a902390263194f4e10c043e12f35ff974c08273f86ae20e747c0076eff35 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] the chunk can be dropped minimized to 422 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_NHLT ACPI_PLATFORM_PROFILE ADDRESS_MASKING 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_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_USES_PG_UNCACHED 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_CMTP 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 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_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_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_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 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 DMA_OPS 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_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_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 DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed picked [v6.10 v6.9 v6.8 v6.6 v6.4 v6.2 v6.0 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 33 release tags testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ce7360fcbaa233ad0d04d7feab894c52e5c7344e51393309257bfdc28aadcaaa all runs: OK false negative chance: 0.000 # git bisect start 5517ae241919e0208b077c910b0a369b9dce3c11 0c3836482481200ead7b416ca80c68a29cfdaabd Bisecting: 6411 revisions left to test after this (roughly 13 steps) [b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 035d42d123103963ea73d4a7ef461a413d306c7e3459dff13d51b002f092f14e all runs: OK false negative chance: 0.000 # git bisect good b3ce7a30847a54a7f96a35e609303d8afecd460b Bisecting: 3157 revisions left to test after this (roughly 12 steps) [8e313211f7d46d42b6aa7601b972fe89dcc4a076] Merge tag 'pinctrl-v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl testing commit 8e313211f7d46d42b6aa7601b972fe89dcc4a076 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73ca382c77b90824374a48538fb0aee90d819090f5a0d64b9ad2a1a828b8cc49 all runs: OK false negative chance: 0.000 # git bisect good 8e313211f7d46d42b6aa7601b972fe89dcc4a076 Bisecting: 1575 revisions left to test after this (roughly 11 steps) [6342649c33d232c4e7ac690b98bcddaab10a4d8c] Merge tag 'block-6.11-20240726' of git://git.kernel.dk/linux testing commit 6342649c33d232c4e7ac690b98bcddaab10a4d8c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6e1b22e67d003bca5e1d268585625f205e1c5d72d6529a323315615aa76522d all runs: OK false negative chance: 0.000 # git bisect good 6342649c33d232c4e7ac690b98bcddaab10a4d8c Bisecting: 790 revisions left to test after this (roughly 10 steps) [d07b43284ab356daf7ec5ae1858a16c1c7b6adab] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm testing commit d07b43284ab356daf7ec5ae1858a16c1c7b6adab gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 916df3208d99b49d7ae71c270c2856d54f0fe0f7e82556cafa87d8392e4241fa all runs: OK false negative chance: 0.000 # git bisect good d07b43284ab356daf7ec5ae1858a16c1c7b6adab Bisecting: 440 revisions left to test after this (roughly 9 steps) [3f44ae972ae5cf6a75eb40314a6a81bd694d0f53] Merge tag 'kbuild-fixes-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild testing commit 3f44ae972ae5cf6a75eb40314a6a81bd694d0f53 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c6a239b45a61b99f8540a28020c7000bd71ec67a797c08edca9c706fb20e469 all runs: OK false negative chance: 0.000 # git bisect good 3f44ae972ae5cf6a75eb40314a6a81bd694d0f53 Bisecting: 219 revisions left to test after this (roughly 8 steps) [891e811ad604805b2c706f85480e38961b706a70] Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit 891e811ad604805b2c706f85480e38961b706a70 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2559deade42f2ed1f578f8771d978a358001a05c389c16e8e79ab83231e062e3 all runs: OK false negative chance: 0.000 # git bisect good 891e811ad604805b2c706f85480e38961b706a70 Bisecting: 108 revisions left to test after this (roughly 7 steps) [a18093afa393d03599cbe42da2eb00d84a1c9a34] Merge tag 'nfsd-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux testing commit a18093afa393d03599cbe42da2eb00d84a1c9a34 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 210840b9ed20d9cc4b59fe4a79c84aeb6bca8f7cebbfb8852adc8fc80d6c7766 all runs: OK false negative chance: 0.000 # git bisect good a18093afa393d03599cbe42da2eb00d84a1c9a34 Bisecting: 54 revisions left to test after this (roughly 6 steps) [d82809b6c5f2676b382f77a5cbeb1a5d91ed2235] mptcp: avoid duplicated SUB_CLOSED events testing commit d82809b6c5f2676b382f77a5cbeb1a5d91ed2235 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c100dfc68d7fb83f2966f4ea2872cf42ee24ab08bed83df67dc29d9c3ba069f all runs: OK false negative chance: 0.000 # git bisect good d82809b6c5f2676b382f77a5cbeb1a5d91ed2235 Bisecting: 27 revisions left to test after this (roughly 5 steps) [98d4435efcbf37801a3246fb53856c4b934a2613] net/smc: prevent NULL pointer dereference in txopt_get testing commit 98d4435efcbf37801a3246fb53856c4b934a2613 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aea3df3eddd79ed1cb6eab0cb76ab706a9ac23a2b45994419a0d600ed35229d5 all runs: OK false negative chance: 0.000 # git bisect good 98d4435efcbf37801a3246fb53856c4b934a2613 Bisecting: 13 revisions left to test after this (roughly 4 steps) [7dd9c26bd6cf679bcfdef01a8659791aa6487a29] can: mcp251x: fix deadlock if an interrupt occurs during mcp251x_open testing commit 7dd9c26bd6cf679bcfdef01a8659791aa6487a29 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f57b68d3e760b7d8aae0c4d5d9cbf2b2b21f182f101bbc888f2eabb431d70dc0 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] # git bisect bad 7dd9c26bd6cf679bcfdef01a8659791aa6487a29 Bisecting: 6 revisions left to test after this (roughly 3 steps) [a572fea86c9b06cd3e6e89d79d565b52cb7e7cff] can: m_can: disable_all_interrupts, not clear active_interrupts testing commit a572fea86c9b06cd3e6e89d79d565b52cb7e7cff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b2b828f7996e9bb02e05be5f9231d750c03c0ea815276d29dbe75c892637e066 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] # git bisect bad a572fea86c9b06cd3e6e89d79d565b52cb7e7cff Bisecting: 3 revisions left to test after this (roughly 2 steps) [a651261ac74298535f6d6316ebe27beceb6b17b1] can: m_can: Reset coalescing during suspend/resume testing commit a651261ac74298535f6d6316ebe27beceb6b17b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ed8f2bb2f6da76844b3c17d18f4abd8dc13fc13b5acdbe55d7f4b56c9b5eb377 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] # git bisect bad a651261ac74298535f6d6316ebe27beceb6b17b1 Bisecting: 0 revisions left to test after this (roughly 1 step) [06d4ef3056a7ac31be331281bb7a6302ef5a7f8a] can: m_can: Release irq on error in m_can_open testing commit 06d4ef3056a7ac31be331281bb7a6302ef5a7f8a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e9790ea6b8a782cbe5d0125513a25419bfa8f93d47e3712b2e5719eff7ae330f all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] # git bisect bad 06d4ef3056a7ac31be331281bb7a6302ef5a7f8a Bisecting: 0 revisions left to test after this (roughly 0 steps) [76fe372ccb81b0c89b6cd2fec26e2f38c958be85] can: bcm: Remove proc entry when dev is unregistered. testing commit 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 63d2c5a483f11b17499ff06327ba99b9ae6af9d2c4efa3adf58de5c24c42c9e8 all runs: crashed: WARNING in remove_proc_entry representative crash: WARNING in remove_proc_entry, types: [WARNING] # git bisect bad 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 is the first bad commit commit 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 Author: Kuniyuki Iwashima Date: Mon Jul 22 12:28:42 2024 -0700 can: bcm: Remove proc entry when dev is unregistered. syzkaller reported a warning in bcm_connect() below. [0] The repro calls connect() to vxcan1, removes vxcan1, and calls connect() with ifindex == 0. Calling connect() for a BCM socket allocates a proc entry. Then, bcm_sk(sk)->bound is set to 1 to prevent further connect(). However, removing the bound device resets bcm_sk(sk)->bound to 0 in bcm_notify(). The 2nd connect() tries to allocate a proc entry with the same name and sets NULL to bcm_sk(sk)->bcm_proc_read, leaking the original proc entry. Since the proc entry is available only for connect()ed sockets, let's clean up the entry when the bound netdev is unregistered. [0]: proc_dir_entry 'can-bcm/2456' already registered WARNING: CPU: 1 PID: 394 at fs/proc/generic.c:376 proc_register+0x645/0x8f0 fs/proc/generic.c:375 Modules linked in: CPU: 1 PID: 394 Comm: syz-executor403 Not tainted 6.10.0-rc7-g852e42cc2dd4 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 RIP: 0010:proc_register+0x645/0x8f0 fs/proc/generic.c:375 Code: 00 00 00 00 00 48 85 ed 0f 85 97 02 00 00 4d 85 f6 0f 85 9f 02 00 00 48 c7 c7 9b cb cf 87 48 89 de 4c 89 fa e8 1c 6f eb fe 90 <0f> 0b 90 90 48 c7 c7 98 37 99 89 e8 cb 7e 22 05 bb 00 00 00 10 48 RSP: 0018:ffa0000000cd7c30 EFLAGS: 00010246 RAX: 9e129be1950f0200 RBX: ff1100011b51582c RCX: ff1100011857cd80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000000 R08: ffd400000000000f R09: ff1100013e78cac0 R10: ffac800000cd7980 R11: ff1100013e12b1f0 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ff1100011a99a2ec FS: 00007fbd7086f740(0000) GS:ff1100013fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200071c0 CR3: 0000000118556004 CR4: 0000000000771ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: proc_create_net_single+0x144/0x210 fs/proc/proc_net.c:220 bcm_connect+0x472/0x840 net/can/bcm.c:1673 __sys_connect_file net/socket.c:2049 [inline] __sys_connect+0x5d2/0x690 net/socket.c:2066 __do_sys_connect net/socket.c:2076 [inline] __se_sys_connect net/socket.c:2073 [inline] __x64_sys_connect+0x8f/0x100 net/socket.c:2073 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x4b/0x53 RIP: 0033:0x7fbd708b0e5d Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 RSP: 002b:00007fff8cd33f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd708b0e5d RDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000040 R09: 0000000000000040 R10: 0000000000000040 R11: 0000000000000246 R12: 00007fff8cd34098 R13: 0000000000401280 R14: 0000000000406de8 R15: 00007fbd70ab9000 remove_proc_entry: removing non-empty directory 'net/can-bcm', leaking at least '2456' Fixes: ffd980f976e7 ("[CAN]: Add broadcast manager (bcm) protocol") Reported-by: syzkaller Signed-off-by: Kuniyuki Iwashima Reviewed-by: Simon Horman Link: https://lore.kernel.org/all/20240722192842.37421-1-kuniyu@amazon.com Signed-off-by: Marc Kleine-Budde net/can/bcm.c | 4 ++++ 1 file changed, 4 insertions(+) accumulated error probability: 0.00 parent commit 92c4ee25208d0f35dafc3213cdf355fbe449e078 wasn't tested testing commit 92c4ee25208d0f35dafc3213cdf355fbe449e078 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 68b8ff2e0fc569584a057b21927431fb545e9efd248dfe99d0b2e10e7631857c culprit signature: 63d2c5a483f11b17499ff06327ba99b9ae6af9d2c4efa3adf58de5c24c42c9e8 parent signature: 68b8ff2e0fc569584a057b21927431fb545e9efd248dfe99d0b2e10e7631857c revisions tested: 22, total time: 5h44m56.634041049s (build: 3h6m34.361420647s, test: 2h24m0.840511049s) first bad commit: 76fe372ccb81b0c89b6cd2fec26e2f38c958be85 can: bcm: Remove proc entry when dev is unregistered. recipients (to): ["horms@kernel.org" "kuniyu@amazon.com" "mkl@pengutronix.de"] recipients (cc): [] crash: WARNING in remove_proc_entry ------------[ cut here ]------------ name '4014' WARNING: CPU: 1 PID: 3322 at fs/proc/generic.c:711 remove_proc_entry+0x16d/0x1f0 fs/proc/generic.c:711 Modules linked in: CPU: 1 UID: 0 PID: 3322 Comm: syz.0.15 Not tainted 6.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:remove_proc_entry+0x16d/0x1f0 fs/proc/generic.c:711 Code: 78 89 83 e8 a5 d0 bd ff 90 0f 0b 90 90 48 c7 c7 00 cf dc 83 e8 54 25 7e 01 90 48 c7 c7 96 5d aa 83 4c 89 f6 e8 84 d0 bd ff 90 <0f> 0b 90 90 65 48 8b 04 25 28 00 00 00 48 3b 44 24 18 75 63 48 83 RSP: 0018:ffffc9000389bdb8 EFLAGS: 00010246 RAX: dadcc83ac8d58900 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 0000000000000002 RSI: ffffffff83a31bdd RDI: 00000000ffffffff RBP: 00000000082e0003 R08: 0000000000000000 R09: ffffffff83cd00d0 R10: ffffc9000389bc88 R11: ffffc9000389bc30 R12: ffff88810b7a2b00 R13: ffff88810bfc9840 R14: ffff88810bf9ad48 R15: ffff88810bf9ad48 FS: 000055558b655500(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 0000000102f8c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bcm_release+0xd5/0x310 net/can/bcm.c:1578 __sock_release net/socket.c:659 [inline] sock_close+0x45/0xe0 net/socket.c:1421 __fput+0x8f/0x2c0 fs/file_table.c:422 task_work_run+0x82/0xb0 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xb6/0x200 kernel/entry/common.c:218 do_syscall_64+0xed/0x220 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff418379eb9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd84e36ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000000f175 RCX: 00007ff418379eb9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007ff418517a80 R08: 0000000000000001 R09: 00007ffd84e372ef R10: 00007ff418200000 R11: 0000000000000246 R12: 000000000000f1a8 R13: 00007ffd84e37100 R14: 0000000000000032 R15: ffffffffffffffff