ci2 starts bisection 2025-07-09 09:42:55.888475061 +0000 UTC m=+6770.624910759 bisecting cause commit starting from d006330be3f782ff3fb7c3ed51e617e01f29a465 building syzkaller on 4d9fdfa461729263f3e6134019fc4feb812381d2 ensuring issue is reproducible on original commit d006330be3f782ff3fb7c3ed51e617e01f29a465 testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: a36e9d5cafc3cbb72716498f1ea052eb2c4ca80f8c8f20ea1e2456e769711b26 all runs: crashed: BUG: unable to handle kernel paging request in bch2_copygc representative crash: BUG: unable to handle kernel paging request in bch2_copygc, types: [MEMORY_SAFETY_BUG] check whether we can drop unnecessary instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 138f405f96bb0c74a4201b0b62419ce7c2005f48b09f754aa80fe77010e2af10 all runs: crashed: BUG: unable to handle kernel paging request in bch2_copygc representative crash: BUG: unable to handle kernel paging request in bch2_copygc, types: [MEMORY_SAFETY_BUG] the bug reproduces without the instrumentation disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed kconfig minimization: base=4088 full=8474 leaves diff=2186 split chunks (needed=false): <2186> split chunk #0 of len 2186 into 5 parts testing without sub-chunk 1/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: e3be1fe382ddc149938d44de4290716d0df6b27985dd60fef989aa0265537996 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 070f027d8a869391b88bec938dc607c13595e83472323114dbdced6dd6328bfe all runs: crashed: BUG: unable to handle kernel paging request in bch2_copygc representative crash: BUG: unable to handle kernel paging request in bch2_copygc, types: [MEMORY_SAFETY_BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 577f76533963e27d7225452de56755bea9b4da13832c0c6e61c4228b19d1b158 all runs: crashed: BUG: unable to handle kernel paging request in bch2_copygc representative crash: BUG: unable to handle kernel paging request in bch2_copygc, types: [MEMORY_SAFETY_BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 0cbe192de948d99ed1ad078acb01ffa52df455bfbfe8268a47ed39409546ac8d all runs: crashed: BUG: unable to handle kernel paging request in bch2_copygc representative crash: BUG: unable to handle kernel paging request in bch2_copygc, types: [MEMORY_SAFETY_BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit d006330be3f782ff3fb7c3ed51e617e01f29a465 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 933c4e434c18dc2453bd31e65aa44c81536788b7b9995b1a9b4e1b7970bca5c4 run #0: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #1: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #2: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #3: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #4: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #5: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #6: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #7: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #8: crashed: BUG: unable to handle kernel paging request in bch2_copygc run #9: OK representative crash: BUG: unable to handle kernel paging request in bch2_copygc, types: [MEMORY_SAFETY_BUG] the chunk can be dropped minimized to 438 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_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_THP_MIGRATION ARCH_HAS_CRC32 ARCH_HAS_CRC64 ARCH_HAS_CRC_T10DIF 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_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_8254 COMEDI_8255 COMEDI_8255_PCI COMEDI_8255_SA COMEDI_ADL_PCI9118 COMEDI_ADQ12B COMEDI_AIO_AIO12_8 COMEDI_AIO_IIRO_16 COMEDI_AMPLC_DIO200 COMEDI_AMPLC_DIO200_ISA COMEDI_AMPLC_PC236 COMEDI_AMPLC_PC236_ISA COMEDI_AMPLC_PC263_ISA COMEDI_BOND COMEDI_C6XDIGIO COMEDI_DAC02 COMEDI_DAS08 COMEDI_DAS08_ISA COMEDI_DAS16M1 COMEDI_DAS1800 COMEDI_DAS6402 COMEDI_DAS800 COMEDI_DMM32AT COMEDI_DT2801 COMEDI_DT2811 COMEDI_DT2814 COMEDI_DT2815 COMEDI_DT2817 COMEDI_DT282X COMEDI_DT9812 COMEDI_FL512 COMEDI_ISADMA COMEDI_ISA_DRIVERS COMEDI_KCOMEDILIB COMEDI_MISC_DRIVERS COMEDI_MPC624 COMEDI_MULTIQ3 COMEDI_NI_ATMIO16D COMEDI_NI_AT_A2150 COMEDI_NI_AT_AO COMEDI_NI_DAQ_700_CS COMEDI_NI_LABPC COMEDI_NI_LABPC_CS COMEDI_NI_LABPC_ISA COMEDI_NI_LABPC_ISADMA COMEDI_NI_LABPC_PCI COMEDI_NI_USB6501 COMEDI_PARPORT COMEDI_PCI_DRIVERS COMEDI_PCL711 COMEDI_PCL724 COMEDI_PCL726 COMEDI_PCL730 COMEDI_PCL812 COMEDI_PCL816 COMEDI_PCL818 COMEDI_PCM3724 COMEDI_PCMAD COMEDI_PCMCIA_DRIVERS COMEDI_PCMDA12 COMEDI_PCMMIO COMEDI_PCMUIO COMEDI_RTI800 COMEDI_RTI802 COMEDI_S526 COMEDI_TEST 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_KRB5 CRYPTO_KRB5ENC CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_CURVE25519_INTERNAL CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_SM3 CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT 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_SHA512_SSSE3 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 DMA_CMA FSCACHE FUSE_FS GPIOLIB HAMRADIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISA_BUS LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MMC MTD NET_CLS_U32 PARTITION_ADVANCED PCCARD PCMCIA RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH] disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed picked [v6.15 v6.14 v6.13 v6.11 v6.9 v6.7 v6.5 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 38 release tags testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 25ef88d9912a73d4f68ea068d7f4383c94b3bdd0b8eb4b2efef2ac7228c4f714 all runs: OK false negative chance: 0.000 # git bisect start d006330be3f782ff3fb7c3ed51e617e01f29a465 0ff41df1cb268fc69e703a08a57ee14ae967d0ca Bisecting: 7533 revisions left to test after this (roughly 13 steps) [1b98f357dadd6ea613a435fbaef1a5dd7b35fd21] Merge tag 'net-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 458958ac3e0a6c5e6db98128a4d5954c09a4c487cd7b30774e40264695c2e598 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect bad 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 Bisecting: 3652 revisions left to test after this (roughly 12 steps) [a61e26038143727d9b0f1bc01b0370f77f2ad7e4] Merge tag 'media/v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit a61e26038143727d9b0f1bc01b0370f77f2ad7e4 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: c4004c18bdfd678667669f14a9333f708ba7903e0561587a793e4b2a632142dc all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect bad a61e26038143727d9b0f1bc01b0370f77f2ad7e4 Bisecting: 1981 revisions left to test after this (roughly 11 steps) [0c1494015fea0935fbf6cd9d99c008fcbe1e4165] Merge tag 'core-entry-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 0c1494015fea0935fbf6cd9d99c008fcbe1e4165 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 7b06c71c2fa55ac6576404d5f94e56f9830aac784b5adcb3d953bedf42fcede4 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect bad 0c1494015fea0935fbf6cd9d99c008fcbe1e4165 Bisecting: 1061 revisions left to test after this (roughly 10 steps) [15d90a5e5524532b7456a24f4626cf28c1629c4c] Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux testing commit 15d90a5e5524532b7456a24f4626cf28c1629c4c gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: ade0e601e0c8d887ca3b27df740874b16ccd00b314088133a31362032de2e23c all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect bad 15d90a5e5524532b7456a24f4626cf28c1629c4c Bisecting: 507 revisions left to test after this (roughly 9 steps) [49fffac983ac52aea0ab94914be3f56bcf92d5dc] Merge tag 'for-6.16/io_uring-20250523' of git://git.kernel.dk/linux testing commit 49fffac983ac52aea0ab94914be3f56bcf92d5dc gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 0c4d48601ebcf653b9f5e280482f31d190b06dc0d9d940360f140e7b847d90f3 all runs: OK false negative chance: 0.000 # git bisect good 49fffac983ac52aea0ab94914be3f56bcf92d5dc Bisecting: 276 revisions left to test after this (roughly 8 steps) [8fdabcd9c01d9ac585d8109a921e0734a69479fb] Merge tag 'gfs2-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit 8fdabcd9c01d9ac585d8109a921e0734a69479fb gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: b94a2b1f739b3732719d7e772d77bf6b3a84cedfe3d03322f340d547b63f4188 all runs: OK false negative chance: 0.000 # git bisect good 8fdabcd9c01d9ac585d8109a921e0734a69479fb Bisecting: 138 revisions left to test after this (roughly 7 steps) [3b7b0c3996b570f9c305c6f3df475a719920d65c] bcachefs: print label correctly in sb_member_to_text() testing commit 3b7b0c3996b570f9c305c6f3df475a719920d65c gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 99ea42ca0dbd8e109e7e88f2e5eb7d9ad2f770ee230b5fc20cf1721dbecce7a2 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect bad 3b7b0c3996b570f9c305c6f3df475a719920d65c Bisecting: 68 revisions left to test after this (roughly 6 steps) [09279bba72f809eeb1f02d39a462e8e1d06fa32a] bcachefs: Kill dead code testing commit 09279bba72f809eeb1f02d39a462e8e1d06fa32a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 3d37b34bb1be6046e47fe03c31f7229285286d997799fdbdef46f9f218d83e2a all runs: OK false negative chance: 0.000 # git bisect good 09279bba72f809eeb1f02d39a462e8e1d06fa32a Bisecting: 34 revisions left to test after this (roughly 5 steps) [8a6b883e78bfed6909e21c2afb6138b603d1ee6c] bcachefs: Fix setting ca->name in device add testing commit 8a6b883e78bfed6909e21c2afb6138b603d1ee6c gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 22a8991d11b57ee35d563a5368c744157ecc18f2ca1c3cc5ef792e5737bed347 all runs: OK false negative chance: 0.000 # git bisect good 8a6b883e78bfed6909e21c2afb6138b603d1ee6c Bisecting: 17 revisions left to test after this (roughly 4 steps) [7d4f2687ef8a625742c5df4e2d42f50ba398f3a2] bcachefs: bch2_journal_write() refactoring testing commit 7d4f2687ef8a625742c5df4e2d42f50ba398f3a2 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 0f1edd76cacbf0eb193bdf804f6c8f4378739a459571943afaefb0bf06bae51f all runs: OK false negative chance: 0.000 # git bisect good 7d4f2687ef8a625742c5df4e2d42f50ba398f3a2 Bisecting: 8 revisions left to test after this (roughly 3 steps) [09fa6c3039d8bb22351ad071ea4656dd4f331d18] bcachefs: bch2_dev_data_drop_by_backpointers() testing commit 09fa6c3039d8bb22351ad071ea4656dd4f331d18 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: f039e09c3aeb08c3f256f1129f5fe2a1530ef15268f3bc1b22b10db7c1ca05af all runs: OK false negative chance: 0.000 # git bisect good 09fa6c3039d8bb22351ad071ea4656dd4f331d18 Bisecting: 4 revisions left to test after this (roughly 2 steps) [1dfa01ef24151547a2a622e90ad73b082b1bc739] bcachefs: bch2_copygc_dev_wait_amount() testing commit 1dfa01ef24151547a2a622e90ad73b082b1bc739 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: e9a737cd8226720f6b9ab6d04bfa5233206fd4c65133c0c2000f84f297164d71 all runs: OK false negative chance: 0.000 # git bisect good 1dfa01ef24151547a2a622e90ad73b082b1bc739 Bisecting: 2 revisions left to test after this (roughly 1 step) [3ffda8c219d636012cfc2b5dae0bf19d831a53e0] bcachefs: kill dead code in move_data_phys() testing commit 3ffda8c219d636012cfc2b5dae0bf19d831a53e0 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 42d430308f8927abe65d6da7a76a0262557356caf6090ca8cfc60d75d31b88bb all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect bad 3ffda8c219d636012cfc2b5dae0bf19d831a53e0 Bisecting: 0 revisions left to test after this (roughly 0 steps) [82067c916994dd1bfec65496144dc16e17899e36] bcachefs: buckets_in_flight on stack testing commit 82067c916994dd1bfec65496144dc16e17899e36 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 82c8f37704f00a217ce4625474a5092d06eac2c672ccc25417ee105a19c057da all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect bad 82067c916994dd1bfec65496144dc16e17899e36 82067c916994dd1bfec65496144dc16e17899e36 is the first bad commit commit 82067c916994dd1bfec65496144dc16e17899e36 Author: Kent Overstreet Date: Thu May 8 23:21:28 2025 -0400 bcachefs: buckets_in_flight on stack copygc runs with a full stack available, there's no reason to dynamically allocate this. Signed-off-by: Kent Overstreet fs/bcachefs/movinggc.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) accumulated error probability: 0.00 culprit signature: 82c8f37704f00a217ce4625474a5092d06eac2c672ccc25417ee105a19c057da parent signature: e9a737cd8226720f6b9ab6d04bfa5233206fd4c65133c0c2000f84f297164d71 revisions tested: 22, total time: 9h50m48.704883983s (build: 5h17m22.19191702s, test: 4h14m39.087582622s) first bad commit: 82067c916994dd1bfec65496144dc16e17899e36 bcachefs: buckets_in_flight on stack recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: WARNING in rhashtable_init_noprof ODEBUG: object ffffc9000367fb48 is on stack ffffc9000367c000, but NOT annotated. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3293 at lib/debugobjects.c:655 debug_object_is_on_stack lib/debugobjects.c:655 [inline] WARNING: CPU: 1 PID: 3293 at lib/debugobjects.c:655 lookup_object_or_alloc lib/debugobjects.c:688 [inline] WARNING: CPU: 1 PID: 3293 at lib/debugobjects.c:655 __debug_object_init+0x219/0x2b0 lib/debugobjects.c:743 Modules linked in: CPU: 1 UID: 0 PID: 3293 Comm: bch-copygc/loop Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:debug_object_is_on_stack lib/debugobjects.c:655 [inline] RIP: 0010:lookup_object_or_alloc lib/debugobjects.c:688 [inline] RIP: 0010:__debug_object_init+0x219/0x2b0 lib/debugobjects.c:743 Code: 89 0d 1b 86 c7 06 48 c7 c1 e5 88 7b 83 48 c7 c7 93 49 60 83 40 84 f6 48 0f 45 f9 48 89 de 49 89 c6 e8 8b 3f 3f ff 4c 89 f0 90 <0f> 0b 90 e9 cf fe ff ff e8 7a 11 00 00 8b 05 bc 0d e9 01 3b 05 ba RSP: 0018:ffffc9000367fa78 EFLAGS: 00010046 RAX: ffff888104fe0cd0 RBX: ffffc9000367fb48 RCX: 22a03684f764c300 RDX: ffff888237d24b78 RSI: ffffffff83654903 RDI: 00000000ffffffff RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000d R10: 0000000000000004 R11: ffffffff81fcfa60 R12: 0000000000000286 R13: ffffffff82e15b70 R14: ffff888104fe0cd0 R15: ffffffff88a332a0 FS: 0000000000000000(0000) GS:ffff8882b32bd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3f6b41e000 CR3: 0000000173c66000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rhashtable_init_noprof+0x2e4/0x340 lib/rhashtable.c:1085 bch2_copygc_thread+0x11f/0x5a0 fs/bcachefs/movinggc.c:360 kthread+0x23c/0x270 kernel/kthread.c:464 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245