ci starts bisection 2025-04-07 00:28:44.722785799 +0000 UTC m=+133723.185395192 bisecting cause commit starting from a4cda136f021ad44b8b52286aafd613030a6db5f building syzkaller on 1c65791efe9456a21463647b20027e6f8c2c21af ensuring issue is reproducible on original commit a4cda136f021ad44b8b52286aafd613030a6db5f testing commit a4cda136f021ad44b8b52286aafd613030a6db5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e321d4ae2dabb6fc4c76aade67c80b9450b3e6fddaf4b7c5962be9164f6a7e1 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, 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 a4cda136f021ad44b8b52286aafd613030a6db5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e88fafa971c866ad68198d26dd592d23a0388ed55eaafc26183e1e15fb61ea86 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4079 full=8322 leaves diff=2126 split chunks (needed=false): <2126> split chunk #0 of len 2126 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit a4cda136f021ad44b8b52286aafd613030a6db5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: afdaf6187d2a6ec7fe52507ee0bad2065bc8a520c763b3372cb2265d58bd2b8e 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 a4cda136f021ad44b8b52286aafd613030a6db5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e25ad2879dee20cfc41976b3c6c313fd4961165ea99e1d35729665bdf521b3fb all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit a4cda136f021ad44b8b52286aafd613030a6db5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d637de85a6b70ed9f296220739fb21573bb8b094fee7819895b2ee48f1149ac all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit a4cda136f021ad44b8b52286aafd613030a6db5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4cee979d4ac5f484c5bd5a5813093e9400bfa3d4ccc33e1055053549e761f817 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, 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 a4cda136f021ad44b8b52286aafd613030a6db5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8565ca9628b2472d42d8713680879e2fc946a6425cf428fcd1b5e933f16a1d49 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] the chunk can be dropped minimized to 426 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 ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP 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 CRC64 CRC64_ARCH CRC8 CRC_ITU_T CRC_T10DIF CRC_T10DIF_ARCH 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_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32C 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_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_HKDF CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CHACHA_INTERNAL CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_CURVE25519_INTERNAL CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_POLY1305_INTERNAL CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC 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_SIMD 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_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEBUG_VFS 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_DEFAULT_FBDEV 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_HELPER DRM_FBDEV_EMULATION 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 WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.14 v6.13 v6.12 v6.10 v6.8 v6.6 v6.4 v6.2 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 37 release tags testing release v6.14 testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0fc9e24a164f42a2f71637db373b54fe776c8ceea4001e903e8b64f083a7fa0 all runs: OK false negative chance: 0.000 # git bisect start a4cda136f021ad44b8b52286aafd613030a6db5f 38fec10eb60d687e30c8c6b5420d86e8149f7557 Bisecting: 7296 revisions left to test after this (roughly 13 steps) [744fab2d9ff9177a27647c3710e86d43f2efe68c] Merge tag 'trace-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace testing commit 744fab2d9ff9177a27647c3710e86d43f2efe68c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4d61c279327dc752d2c642274f4b1a46eae977baca07f79a1632d463464215bc all runs: OK false negative chance: 0.000 # git bisect good 744fab2d9ff9177a27647c3710e86d43f2efe68c Bisecting: 3701 revisions left to test after this (roughly 12 steps) [c1f4534b213d7be41b5d8b815a42d201a8f2978f] scripts: generate_rust_analyzer: fix pin-init name in kernel deps testing commit c1f4534b213d7be41b5d8b815a42d201a8f2978f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2f12911134257c3e4e981d57b746e71cf708cd9186db56250807c2338ae86924 all runs: OK false negative chance: 0.000 # git bisect good c1f4534b213d7be41b5d8b815a42d201a8f2978f Bisecting: 1886 revisions left to test after this (roughly 11 steps) [25757984d77da731922bed5001431673b6daf5ac] Merge tag 'staging-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit 25757984d77da731922bed5001431673b6daf5ac gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a199d61cfe90904dcf68df27ad71a853d8301bbe714966ad3c45556a238024e7 all runs: OK false negative chance: 0.000 # git bisect good 25757984d77da731922bed5001431673b6daf5ac Bisecting: 975 revisions left to test after this (roughly 10 steps) [99837dcf1cbd8168871aac68d967ba36fc905a69] Merge branch 'for-next' of git://github.com/openrisc/linux.git testing commit 99837dcf1cbd8168871aac68d967ba36fc905a69 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1a3b6171b5c41547f590dc199b160708839b0299a273236da674c669a22746fa all runs: OK false negative chance: 0.000 # git bisect good 99837dcf1cbd8168871aac68d967ba36fc905a69 Bisecting: 488 revisions left to test after this (roughly 9 steps) [a71fbcd75c35199e6cc9481a01645cf9f77305d4] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git testing commit a71fbcd75c35199e6cc9481a01645cf9f77305d4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f1c878f74d471e9f4b4c06d4aa2dafc9fe16ac41e189e1bdb3ec3d0cfc6708b all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad a71fbcd75c35199e6cc9481a01645cf9f77305d4 Bisecting: 238 revisions left to test after this (roughly 8 steps) [aa8340a0f13f1fd99f64e14a197f97d0b1a2d443] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git testing commit aa8340a0f13f1fd99f64e14a197f97d0b1a2d443 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f662e3efe8f12a056dba8713507e0dc7a32907c48b27f4818c461445d453f1b all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad aa8340a0f13f1fd99f64e14a197f97d0b1a2d443 Bisecting: 129 revisions left to test after this (roughly 7 steps) [b1bbad961f8742a16a64e4e4cc583f78fd4f4e7b] Merge branch 'for-next' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git testing commit b1bbad961f8742a16a64e4e4cc583f78fd4f4e7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df38dbf78706f292772fa439e6aada37dab73cfeb8f89aa0ec5075aa71931263 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad b1bbad961f8742a16a64e4e4cc583f78fd4f4e7b Bisecting: 68 revisions left to test after this (roughly 6 steps) [c3ef9a827f25acad56ee111798fbf2cc6256e0a1] Merge branch 'master' of git://github.com/ceph/ceph-client.git testing commit c3ef9a827f25acad56ee111798fbf2cc6256e0a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eaed4d3cfdaad2f2c389117b0f9a25c42d59d93f69166863507953464f0b67d8 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad c3ef9a827f25acad56ee111798fbf2cc6256e0a1 Bisecting: 24 revisions left to test after this (roughly 5 steps) [8b2df71520faacf63b2853c14bac969d62d428ae] bcachefs: trace bch2_trans_kmalloc() testing commit 8b2df71520faacf63b2853c14bac969d62d428ae gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 41746cd08635d58271d4714a1200d702099a8b29d5dd7b6acd593ae271722741 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad 8b2df71520faacf63b2853c14bac969d62d428ae Bisecting: 11 revisions left to test after this (roughly 4 steps) [570f5050bb0739f24aeb94034d8ec134c450b4aa] bcachefs: use nonblocking variant of print_string_as_lines in error path testing commit 570f5050bb0739f24aeb94034d8ec134c450b4aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4af9ca499380e8b705d080c6acd04ffc08139f3ef8dc8b26fa608a6870af0c2b all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad 570f5050bb0739f24aeb94034d8ec134c450b4aa Bisecting: 5 revisions left to test after this (roughly 3 steps) [1c8f4587d239837b2556a76a11706c987c43909a] bcachefs: do_trace_key_cache_fill() testing commit 1c8f4587d239837b2556a76a11706c987c43909a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7b083d69b57521caf8661ebad6da457fc7d8f692cc9b3c7c94fc90911cea70ba all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad 1c8f4587d239837b2556a76a11706c987c43909a Bisecting: 2 revisions left to test after this (roughly 2 steps) [de399658588931506e1b3f4cc63cb3c9134a692e] bcachefs: Fix null ptr deref in bch2_write_endio() testing commit de399658588931506e1b3f4cc63cb3c9134a692e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ce7e48e251906c95a4d52734f976e7c0c4e674d854a6e9a3ab268ca79a704404 all runs: OK false negative chance: 0.000 # git bisect good de399658588931506e1b3f4cc63cb3c9134a692e Bisecting: 0 revisions left to test after this (roughly 1 step) [dcffc3b1ae3251d796a25c673f614e3099ca83d3] bcachefs: Split up bch_dev.io_ref testing commit dcffc3b1ae3251d796a25c673f614e3099ca83d3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b083f6c23e51c1a1fd8c0f5c04fee6a2265666d2de0382c256c3e07f31da5d3 all runs: crashed: WARNING in bch2_dev_free representative crash: WARNING in bch2_dev_free, types: [WARNING] # git bisect bad dcffc3b1ae3251d796a25c673f614e3099ca83d3 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f1350c2c74e62afbc77048ed35718f42b3baba91] bcachefs: fix ref leak in btree_node_read_all_replicas testing commit f1350c2c74e62afbc77048ed35718f42b3baba91 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b928055803ccb759dcdecce9c0fc6741d93c685c235ff715cb473e2b7362cd6 all runs: OK false negative chance: 0.000 # git bisect good f1350c2c74e62afbc77048ed35718f42b3baba91 dcffc3b1ae3251d796a25c673f614e3099ca83d3 is the first bad commit commit dcffc3b1ae3251d796a25c673f614e3099ca83d3 Author: Kent Overstreet Date: Sat Mar 29 23:11:08 2025 -0400 bcachefs: Split up bch_dev.io_ref We now have separate per device io_refs for read and write access. This fixes a device removal bug where the discard workers were still running while we're removing alloc info for that device. It's also a bit of hardening; we no longer allow writes to devices that are read-only. Signed-off-by: Kent Overstreet fs/bcachefs/alloc_background.c | 14 +++---- fs/bcachefs/backpointers.c | 2 +- fs/bcachefs/bcachefs.h | 4 +- fs/bcachefs/btree_io.c | 14 ++++--- fs/bcachefs/btree_node_scan.c | 8 ++-- fs/bcachefs/buckets.c | 2 +- fs/bcachefs/chardev.c | 2 +- fs/bcachefs/debug.c | 4 +- fs/bcachefs/disk_groups.c | 4 +- fs/bcachefs/ec.c | 11 ++++-- fs/bcachefs/fs-io.c | 4 +- fs/bcachefs/fs.c | 2 +- fs/bcachefs/io_read.c | 6 +-- fs/bcachefs/io_write.c | 9 ++++- fs/bcachefs/journal.c | 6 +-- fs/bcachefs/journal_io.c | 8 ++-- fs/bcachefs/sb-members.h | 23 ++++++------ fs/bcachefs/super-io.c | 21 +++++++---- fs/bcachefs/super.c | 85 ++++++++++++++++++++++++++++++------------ 19 files changed, 142 insertions(+), 87 deletions(-) accumulated error probability: 0.00 culprit signature: 2b083f6c23e51c1a1fd8c0f5c04fee6a2265666d2de0382c256c3e07f31da5d3 parent signature: 4b928055803ccb759dcdecce9c0fc6741d93c685c235ff715cb473e2b7362cd6 revisions tested: 22, total time: 10h6m32.046092227s (build: 6h29m34.880281058s, test: 2h26m19.727149101s) first bad commit: dcffc3b1ae3251d796a25c673f614e3099ca83d3 bcachefs: Split up bch_dev.io_ref recipients (to): ["kent.overstreet@linux.dev" "kent.overstreet@linux.dev" "linux-bcachefs@vger.kernel.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: WARNING in bch2_dev_free bcachefs (loop2): shutting down ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2961 at fs/bcachefs/super.c:1229 bch2_dev_free+0x106/0x120 fs/bcachefs/super.c:1229 Modules linked in: CPU: 0 UID: 0 PID: 2961 Comm: syz-executor Not tainted 6.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:bch2_dev_free+0x106/0x120 fs/bcachefs/super.c:1229 Code: 01 00 4c 89 e7 e8 6a 02 01 00 4c 89 ff e8 72 ac 1d 00 4c 89 f7 e8 6a ac 1d 00 48 89 df 5b 41 5c 41 5e 41 5f e9 6b 35 13 01 90 <0f> 0b 90 e9 1a ff ff ff 90 0f 0b 90 e9 21 ff ff ff 66 0f 1f 84 00 RSP: 0018:ffffc90002407e18 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810d2fd000 RCX: 0000000000001b70 RDX: 0000000000001b68 RSI: 0000000000035370 RDI: ffff88810d2fd0c0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810d2fd0d0 R13: ffff88810d2fd000 R14: ffff88810d2fd0b0 R15: ffff88810d2fd0c0 FS: 0000555568424500(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564030a06000 CR3: 000000017321e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_fs_free+0x8f/0x130 fs/bcachefs/super.c:688 deactivate_locked_super+0x2d/0x90 fs/super.c:473 cleanup_mnt+0xf8/0x150 fs/namespace.c:1413 task_work_run+0x82/0xb0 kernel/task_work.c:227 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:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xa4/0x1f0 kernel/entry/common.c:218 do_syscall_64+0xed/0x220 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0f8fb8e497 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc430be928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f0f8fc0e08c RCX: 00007f0f8fb8e497 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc430be9e0 RBP: 00007ffc430be9e0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc430bfa70 R13: 00007f0f8fc0e08c R14: 000000000000db91 R15: 00007ffc430bfab0