ci2 starts bisection 2024-06-04 23:44:43.006187614 +0000 UTC m=+92.801343361 bisecting cause commit starting from 2ab79514109578fc4b6df90633d500cf281eb689 building syzkaller on 11f2afa5a3c8cc88e10b001d6eb8790c8a3b91a7 ensuring issue is reproducible on original commit 2ab79514109578fc4b6df90633d500cf281eb689 testing commit 2ab79514109578fc4b6df90633d500cf281eb689 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d3a1f308bcd5a794e9befdfd19d362446e444ea1b479be05d136d3d7fc732a96 all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 2ab79514109578fc4b6df90633d500cf281eb689 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 230c9643c0289d7b329af3e199cabf9bfb9c4c4f926aa2ee4310d19b259fb028 all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3971 full=8037 leaves diff=2024 split chunks (needed=false): <2024> split chunk #0 of len 2024 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 2ab79514109578fc4b6df90633d500cf281eb689 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77b111a5550ab1c8ae680228a5296a8f627b1a9222e28427f54cfbfbf5b42d4a all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 2ab79514109578fc4b6df90633d500cf281eb689 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f382714f4e69af8557fcde2f4c02a3e662b9d6119a58bd3199bd587db3b7869d all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 2ab79514109578fc4b6df90633d500cf281eb689 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dbec709655f4f9741920a4d7545300807837c06a686636ded330867a70296190 all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 2ab79514109578fc4b6df90633d500cf281eb689 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 16acb3907a8b587d21106cd2e572726d2a44f791e554be5aff13ec6b36b5889d all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 2ab79514109578fc4b6df90633d500cf281eb689 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25a392f8c5c7b7cfffb309dfd1dae59150930e45883b7768e25acce34c7ebd9b all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] the chunk can be dropped minimized to 405 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 AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS AR5523 ARCH_CONFIGURES_CPU_MITIGATIONS ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_CPU_PASID ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_VAES AS_VPCLMULQDQ 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 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_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_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_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_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO 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 CLOSURES 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_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_AESCFB 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_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_SIG 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_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST 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_NEED_SYNC 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 ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO 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 [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.9 v6.8 v6.7 v6.5 v6.3 v6.1 v5.19 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 32 release tags testing release v6.9 testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9e0e71f49cbd7875b90de7a1d08943417180bc0cdd97a9ab01a8874bfd4ef82d all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] testing release v6.8 testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 068cf13b990a37b062a4cc5b5ed1efeb319d99d41cad07a115744a2b702814e3 all runs: OK false negative chance: 0.000 # git bisect start a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 e8f897f4afef0031fe618a8e94127a0934896aba Bisecting: 7604 revisions left to test after this (roughly 13 steps) [480e035fc4c714fb5536e64ab9db04fedc89e910] Merge tag 'drm-next-2024-03-13' of https://gitlab.freedesktop.org/drm/kernel testing commit 480e035fc4c714fb5536e64ab9db04fedc89e910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 060c3ad85d3b64647397890765dd545ad3deb072f6cbbba39c5924bd207919b4 all runs: OK false negative chance: 0.000 # git bisect good 480e035fc4c714fb5536e64ab9db04fedc89e910 Bisecting: 3840 revisions left to test after this (roughly 12 steps) [2ac2b1665d3fbec6ca709dd6ef3ea05f4a51ee4c] Merge tag 'hwlock-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux testing commit 2ac2b1665d3fbec6ca709dd6ef3ea05f4a51ee4c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9230ff3591b52acf5fb3e7aae56d61d549e0da452082b39c664302e308254a21 all runs: OK false negative chance: 0.000 # git bisect good 2ac2b1665d3fbec6ca709dd6ef3ea05f4a51ee4c Bisecting: 1930 revisions left to test after this (roughly 11 steps) [e858beeddfa3a400844c0e22d2118b3b52f1ea5e] bcachefs: If we run merges at a lower watermark, they must be nonblocking testing commit e858beeddfa3a400844c0e22d2118b3b52f1ea5e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5861f9b92dae838be5f16818baeeb1cc27781da230fbb971a2ea3d842aec6d72 all runs: OK false negative chance: 0.000 # git bisect good e858beeddfa3a400844c0e22d2118b3b52f1ea5e Bisecting: 966 revisions left to test after this (roughly 10 steps) [e43afae4a335ac0bf54c7a8f23ed65dd55449649] Merge tag 'powerpc-6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux testing commit e43afae4a335ac0bf54c7a8f23ed65dd55449649 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 35654991a5a7d4187d99dfbb6a7f9763ba3793a20ce99e8a4026b7985fb2c685 all runs: OK false negative chance: 0.000 # git bisect good e43afae4a335ac0bf54c7a8f23ed65dd55449649 Bisecting: 480 revisions left to test after this (roughly 9 steps) [09e10499ee6a5a89fc352f25881276398a49596a] Merge tag 'drm-misc-fixes-2024-05-02' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes testing commit 09e10499ee6a5a89fc352f25881276398a49596a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 97036b2b84c269611864db781284db334def90b9a4676b18f72766c953ae36ef all runs: OK false negative chance: 0.000 # git bisect good 09e10499ee6a5a89fc352f25881276398a49596a Bisecting: 233 revisions left to test after this (roughly 8 steps) [3c15237018eb8a9a56bb49a5dbf4d8eeb154b5cc] Merge tag 'usb-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit 3c15237018eb8a9a56bb49a5dbf4d8eeb154b5cc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0d328e7b20da50c35ddce934e2a0cbfe2c40126a0926c533b9f9e7384b9ce609 all runs: OK false negative chance: 0.000 # git bisect good 3c15237018eb8a9a56bb49a5dbf4d8eeb154b5cc Bisecting: 142 revisions left to test after this (roughly 7 steps) [62788b0f225da1837ad38101112e2c49123470ee] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux testing commit 62788b0f225da1837ad38101112e2c49123470ee gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a3aca4f41e26067d64d42f2890bf54d342617d0542809cb2cef069449d75763e all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] # git bisect bad 62788b0f225da1837ad38101112e2c49123470ee Bisecting: 44 revisions left to test after this (roughly 6 steps) [1ab1a19db13cdd05f9df4760e42a1f2f52f13439] Merge tag 'pci-v6.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci testing commit 1ab1a19db13cdd05f9df4760e42a1f2f52f13439 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 176efb2aa83936dad51f2917c624ed32a8e260c8ca12f77854732ba746c210d5 all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] # git bisect bad 1ab1a19db13cdd05f9df4760e42a1f2f52f13439 Bisecting: 23 revisions left to test after this (roughly 5 steps) [d099637d074b9d8170b06365f575f6cf03d614f5] Merge tag 'x86-urgent-2024-05-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit d099637d074b9d8170b06365f575f6cf03d614f5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3cefedb08dfc7ec3806d3f6aa1d4d03929b488f5d926820392de17fb452095ea all runs: OK false negative chance: 0.000 # git bisect good d099637d074b9d8170b06365f575f6cf03d614f5 Bisecting: 9 revisions left to test after this (roughly 4 steps) [c73677ca411d3dbfe585dcbf389b3cd83e0e3530] Merge tag 'auxdisplay-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay testing commit c73677ca411d3dbfe585dcbf389b3cd83e0e3530 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ff35409e7e781b7eab4584a57f142bc0d920136f85781f236cbc7eda1abeb605 all runs: OK false negative chance: 0.000 # git bisect good c73677ca411d3dbfe585dcbf389b3cd83e0e3530 Bisecting: 5 revisions left to test after this (roughly 2 steps) [3628e0383dd349f02f882e612ab6184e4bb3dc10] Reapply "drm/qxl: simplify qxl_fence_wait" testing commit 3628e0383dd349f02f882e612ab6184e4bb3dc10 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c8cb5dc76024ad7e744f76595e38d6a967358398dac0ab1ce875ef2482bba98 all runs: OK false negative chance: 0.000 # git bisect good 3628e0383dd349f02f882e612ab6184e4bb3dc10 Bisecting: 2 revisions left to test after this (roughly 2 steps) [dccb07f2914cdab2ac3a5b6c98406f765acab803] Merge tag 'for-6.9-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5d1aea5ce732d44ce02a3a1a70470393e27319f849ffb6c2e6a798411a794a2 all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] # git bisect bad dccb07f2914cdab2ac3a5b6c98406f765acab803 Bisecting: 0 revisions left to test after this (roughly 1 step) [e03418abde871314e1a3a550f4c8afb7b89cb273] btrfs: make sure that WRITTEN is set on all metadata blocks testing commit e03418abde871314e1a3a550f4c8afb7b89cb273 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1609d50aaccc220510327f53fb58edb8de51c3f8d25953438a5fc730e2e27057 all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] # git bisect bad e03418abde871314e1a3a550f4c8afb7b89cb273 Bisecting: 0 revisions left to test after this (roughly 0 steps) [b5357cb268c41b4e2b7383d2759fc562f5b58c33] btrfs: qgroup: do not check qgroup inherit if qgroup is disabled testing commit b5357cb268c41b4e2b7383d2759fc562f5b58c33 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a453ce5e78907b3b158048e35b7c4f1f345335d492cf89476338516efd6fad2 all runs: crashed: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit representative crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit, types: [KASAN] # git bisect bad b5357cb268c41b4e2b7383d2759fc562f5b58c33 b5357cb268c41b4e2b7383d2759fc562f5b58c33 is the first bad commit commit b5357cb268c41b4e2b7383d2759fc562f5b58c33 Author: Qu Wenruo Date: Sat Apr 20 17:20:27 2024 +0930 btrfs: qgroup: do not check qgroup inherit if qgroup is disabled [BUG] After kernel commit 86211eea8ae1 ("btrfs: qgroup: validate btrfs_qgroup_inherit parameter"), user space tool snapper will fail to create snapshot using its timeline feature. [CAUSE] It turns out that, if using timeline snapper would unconditionally pass btrfs_qgroup_inherit parameter (assigning the new snapshot to qgroup 1/0) for snapshot creation. In that case, since qgroup is disabled there would be no qgroup 1/0, and btrfs_qgroup_check_inherit() would return -ENOENT and fail the whole snapshot creation. [FIX] Just skip the check if qgroup is not enabled. This is to keep the older behavior for user space tools, as if the kernel behavior changed for user space, it is a regression of kernel. Thankfully snapper is also fixing the behavior by detecting if qgroup is running in the first place, so the effect should not be that huge. Link: https://github.com/openSUSE/snapper/issues/894 Fixes: 86211eea8ae1 ("btrfs: qgroup: validate btrfs_qgroup_inherit parameter") CC: stable@vger.kernel.org # 6.8+ Reviewed-by: Filipe Manana Signed-off-by: Qu Wenruo Reviewed-by: David Sterba Signed-off-by: David Sterba fs/btrfs/qgroup.c | 2 ++ 1 file changed, 2 insertions(+) accumulated error probability: 0.00 parent commit 63a6ce5a1a6261e4c70bad2b55c4e0de8da4762e wasn't tested testing commit 63a6ce5a1a6261e4c70bad2b55c4e0de8da4762e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 016606be867009fbfcb186a9ed29d0adefc1c2288c9785b57dabc71a57677eae culprit signature: 6a453ce5e78907b3b158048e35b7c4f1f345335d492cf89476338516efd6fad2 parent signature: 016606be867009fbfcb186a9ed29d0adefc1c2288c9785b57dabc71a57677eae revisions tested: 23, total time: 6h37m13.044320537s (build: 2h47m3.935137s, test: 3h2m3.484746526s) first bad commit: b5357cb268c41b4e2b7383d2759fc562f5b58c33 btrfs: qgroup: do not check qgroup inherit if qgroup is disabled recipients (to): ["dsterba@suse.com" "fdmanana@suse.com" "wqu@suse.com"] recipients (cc): [] crash: KASAN: slab-out-of-bounds Read in btrfs_qgroup_inherit ================================================================== BUG: KASAN: slab-out-of-bounds in btrfs_qgroup_inherit+0x426/0x2a70 fs/btrfs/qgroup.c:3263 Read of size 8 at addr ffff88810deff5d0 by task syz-executor.4/5021 CPU: 0 PID: 5021 Comm: syz-executor.4 Not tainted 6.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xf8/0x260 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0x167/0x540 mm/kasan/report.c:488 kasan_report+0x142/0x180 mm/kasan/report.c:601 btrfs_qgroup_inherit+0x426/0x2a70 fs/btrfs/qgroup.c:3263 create_pending_snapshot+0x127f/0x26e0 fs/btrfs/transaction.c:1858 create_pending_snapshots+0x86/0x1a0 fs/btrfs/transaction.c:1928 btrfs_commit_transaction+0xfb3/0x3820 fs/btrfs/transaction.c:2388 create_snapshot+0x517/0x860 fs/btrfs/ioctl.c:875 btrfs_mksubvol+0x4d4/0x630 fs/btrfs/ioctl.c:1029 btrfs_mksnapshot+0x98/0xe0 fs/btrfs/ioctl.c:1075 __btrfs_ioctl_snap_create+0x2c1/0x3a0 fs/btrfs/ioctl.c:1340 btrfs_ioctl_snap_create_v2+0x185/0x310 fs/btrfs/ioctl.c:1422 btrfs_ioctl+0x8e0/0xaa0 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xab/0xf0 fs/ioctl.c:857 do_syscall_64+0x94/0x1a0 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7effb927cee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007effb9f1c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007effb93b4050 RCX: 00007effb927cee9 RDX: 0000000020000280 RSI: 0000000050009417 RDI: 0000000000000003 RBP: 00007effb92da6fe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007effb93b4050 R15: 00007fff59317a98 Allocated by task 5021: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:3981 [inline] __kmalloc_node_track_caller+0x22a/0x4b0 mm/slub.c:4001 memdup_user+0x26/0x80 mm/util.c:197 btrfs_ioctl_snap_create_v2+0x29f/0x310 fs/btrfs/ioctl.c:1411 btrfs_ioctl+0x8e0/0xaa0 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xab/0xf0 fs/ioctl.c:857 do_syscall_64+0x94/0x1a0 entry_SYSCALL_64_after_hwframe+0x6f/0x77 The buggy address belongs to the object at ffff88810deff580 which belongs to the cache kmalloc-96 of size 96 The buggy address is located 0 bytes to the right of allocated 80-byte region [ffff88810deff580, ffff88810deff5d0) The buggy address belongs to the physical page: page:ffffea000437bfc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10deff flags: 0x100000000000800(slab|node=0|zone=2) page_type: 0xffffffff() raw: 0100000000000800 ffff888100041780 dead000000000122 0000000000000000 raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 4800, tgid 4800 (udevd), ts 71434621083, free_ts 71381049624 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x10f/0x130 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0x3e5f/0x4080 mm/page_alloc.c:3311 __alloc_pages+0x255/0x650 mm/page_alloc.c:4567 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page+0x5f/0x160 mm/slub.c:2190 allocate_slab mm/slub.c:2354 [inline] new_slab+0x70/0x270 mm/slub.c:2407 ___slab_alloc+0xa79/0x10b0 mm/slub.c:3540 __slab_alloc mm/slub.c:3625 [inline] __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] __do_kmalloc_node mm/slub.c:3980 [inline] __kmalloc+0x2ba/0x480 mm/slub.c:3994 kmalloc include/linux/slab.h:594 [inline] kzalloc include/linux/slab.h:711 [inline] tomoyo_encode2 security/tomoyo/realpath.c:45 [inline] tomoyo_encode+0xaa/0x490 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x4a9/0x4e0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path2_perm+0x349/0x9f0 security/tomoyo/file.c:922 tomoyo_path_rename+0x169/0x1b0 security/tomoyo/tomoyo.c:300 security_path_rename+0xeb/0x1a0 security/security.c:1913 do_renameat2+0x738/0x1010 fs/namei.c:5027 __do_sys_rename fs/namei.c:5087 [inline] __se_sys_rename fs/namei.c:5085 [inline] __x64_sys_rename+0x81/0x90 fs/namei.c:5085 do_syscall_64+0x94/0x1a0 entry_SYSCALL_64_after_hwframe+0x6f/0x77 page last free pid 4978 tgid 4978 stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1140 [inline] free_unref_page_prepare+0x87f/0x9a0 mm/page_alloc.c:2346 free_unref_page+0x37/0x3a0 mm/page_alloc.c:2486 __slab_free+0x2fc/0x3c0 mm/slub.c:4211 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x5e/0xc0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3813 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc+0x15a/0x390 mm/slub.c:3867 getname_flags+0xa0/0x440 fs/namei.c:140 do_sys_openat2+0xb0/0x180 fs/open.c:1398 do_sys_open fs/open.c:1419 [inline] __do_sys_openat fs/open.c:1435 [inline] __se_sys_openat fs/open.c:1430 [inline] __x64_sys_openat+0x20d/0x260 fs/open.c:1430 do_syscall_64+0x94/0x1a0 entry_SYSCALL_64_after_hwframe+0x6f/0x77 Memory state around the buggy address: ffff88810deff480: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc ffff88810deff500: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff88810deff580: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc ^ ffff88810deff600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88810deff680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================