ci starts bisection 2025-04-09 06:24:58.68302904 +0000 UTC m=+27253.437442223 bisecting cause commit starting from 7702d0130dc002bab2c3571ddb6ff68f82d99aea building syzkaller on a775275df40273d33a6577bc007a34087da9f056 fetch other tags and check if the commit is present ensuring issue is reproducible on original commit 7702d0130dc002bab2c3571ddb6ff68f82d99aea testing commit 7702d0130dc002bab2c3571ddb6ff68f82d99aea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 12cedeffb638f64b9411f8f8ce45fd19069b53c35b5faf5b34bb27a9ba297580 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 7702d0130dc002bab2c3571ddb6ff68f82d99aea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d762e28c56b909471ed7ba3bc304cb974d6469d6d81704a562a18dd2ee754826 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed kconfig minimization: base=4079 full=8320 leaves diff=2125 split chunks (needed=false): <2125> split chunk #0 of len 2125 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 7702d0130dc002bab2c3571ddb6ff68f82d99aea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 23e111b263c49c33f9e57aa8dd93360d89e51ad436a706d395c3ccd09e618e5c 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 7702d0130dc002bab2c3571ddb6ff68f82d99aea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 980c310eff0cbf144a7aab40c3f00d24e574e91282d9dc9be1a94309785b4146 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 7702d0130dc002bab2c3571ddb6ff68f82d99aea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c330c7d73c7da16db2f10be52e70359992d8839f97dd9b970a12b5cbe1f55553 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 7702d0130dc002bab2c3571ddb6ff68f82d99aea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: be0fb2fa3203a5dbcc30cfa4c2628c755518c506f9612c7fc9baa98a513d9d89 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, 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 7702d0130dc002bab2c3571ddb6ff68f82d99aea gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fd963d5a71a4f8336404219609cfb8e87d38a8ef8d9fd88211058aa3c7fe9a03 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] the chunk can be dropped minimized to 425 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_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_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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], 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: d3aa5a01d4bf7e65aae62f71f313f417b1412e425f86b4476e62f8f71f1caaad all runs: OK false negative chance: 0.000 # git bisect start 7702d0130dc002bab2c3571ddb6ff68f82d99aea 38fec10eb60d687e30c8c6b5420d86e8149f7557 Bisecting: 7919 revisions left to test after this (roughly 13 steps) [390513642ee6763c7ada07f0a1470474986e6c1c] io_uring: always do atomic put from iowq testing commit 390513642ee6763c7ada07f0a1470474986e6c1c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 095f4f24beafda1f1ecbc488e9d8e7bda0a740b6b727b0061e46541dfe680581 all runs: OK false negative chance: 0.000 # git bisect good 390513642ee6763c7ada07f0a1470474986e6c1c Bisecting: 3756 revisions left to test after this (roughly 12 steps) [eb0ece16027f8223d5dc9aaf90124f70577bd22a] Merge tag 'mm-stable-2025-03-30-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit eb0ece16027f8223d5dc9aaf90124f70577bd22a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 829ad417715f883a2e36bb337f7b4488fe158b4d8f57d83ed62fe4364871fcbc all runs: OK false negative chance: 0.000 # git bisect good eb0ece16027f8223d5dc9aaf90124f70577bd22a Bisecting: 1877 revisions left to test after this (roughly 11 steps) [7455805bd66d95e5169d902e3039ccb73e87d9c9] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git testing commit 7455805bd66d95e5169d902e3039ccb73e87d9c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 51ab152629967bc0e18d671ff18dfcba7a5814633043c426b31d3c3134ab4239 all runs: OK false negative chance: 0.000 # git bisect good 7455805bd66d95e5169d902e3039ccb73e87d9c9 Bisecting: 942 revisions left to test after this (roughly 10 steps) [472f51edd7f65a537088b01285c1d5e947402fe7] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git testing commit 472f51edd7f65a537088b01285c1d5e947402fe7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5039da5cc0205948e062e562fb37199e60a1a0c19c22359bac275acc3e3d8063 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] # git bisect bad 472f51edd7f65a537088b01285c1d5e947402fe7 Bisecting: 398 revisions left to test after this (roughly 9 steps) [cad667acaf4e0e153bf2ad5ca2efc96315e59f2a] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git testing commit cad667acaf4e0e153bf2ad5ca2efc96315e59f2a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9f7d038e519fbb481fff07ad10cd4cbc45065f33a34f0c81fb668b98f236a7b3 all runs: OK false negative chance: 0.000 # git bisect good cad667acaf4e0e153bf2ad5ca2efc96315e59f2a Bisecting: 160 revisions left to test after this (roughly 8 steps) [ab05551b10f0523a69ddef20f0048ee81b2d1797] Merge branch 'fs-next' of linux-next testing commit ab05551b10f0523a69ddef20f0048ee81b2d1797 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: afd470d358528c019561c0b6d4960bac4f8edfca21799e1f9c9130eb247503b2 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] # git bisect bad ab05551b10f0523a69ddef20f0048ee81b2d1797 Bisecting: 146 revisions left to test after this (roughly 7 steps) [92a9fd2af4f750b51a082ffdeeb81bac1e4863d5] Merge branch 'for-next' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git testing commit 92a9fd2af4f750b51a082ffdeeb81bac1e4863d5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6943516629a52c26114879d6ffe198f981683a3adb2743bfbc0a7f123ae6db5d all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] # git bisect bad 92a9fd2af4f750b51a082ffdeeb81bac1e4863d5 Bisecting: 45 revisions left to test after this (roughly 6 steps) [3bb3bdf82771549ad5923e428ea0a03c82d04c4f] Merge branch 'master' of git://github.com/ceph/ceph-client.git testing commit 3bb3bdf82771549ad5923e428ea0a03c82d04c4f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f4203fe04a528f8c8c5645f12678de742821723ebf3e2c05840af80849cf3c2a all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] # git bisect bad 3bb3bdf82771549ad5923e428ea0a03c82d04c4f Bisecting: 22 revisions left to test after this (roughly 5 steps) [285cfa6f439c2c5a4fc52bfe1d36d849f79fce57] bcachefs: alloc_request.ptrs2 testing commit 285cfa6f439c2c5a4fc52bfe1d36d849f79fce57 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a31a2cd2d5566c9dd1b719f74a1e77d16115b48c51577ff0daf1ae433e7689a8 all runs: OK false negative chance: 0.000 # git bisect good 285cfa6f439c2c5a4fc52bfe1d36d849f79fce57 Bisecting: 11 revisions left to test after this (roughly 4 steps) [54bb7f18c09b13bd72d8b1cd66a25c1ca346c284] bcachefs: alphabetize init function calls testing commit 54bb7f18c09b13bd72d8b1cd66a25c1ca346c284 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ae224f7b37cf24c54748b3b4682cbb0f98f95da69cc702ae33bf547f73ae6e9 all runs: OK false negative chance: 0.000 # git bisect good 54bb7f18c09b13bd72d8b1cd66a25c1ca346c284 Bisecting: 7 revisions left to test after this (roughly 3 steps) [4160400a5334e2b50b0bfd5d15f3ae4fe2535183] Merge branch 'for-next-next-v6.15-20250407' into for-next-20250407 testing commit 4160400a5334e2b50b0bfd5d15f3ae4fe2535183 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad04e00cee349b336bfed81e505ec753cef6fa3045e4bb9698e8bd8059cf5e0f all runs: OK false negative chance: 0.000 # git bisect good 4160400a5334e2b50b0bfd5d15f3ae4fe2535183 Bisecting: 3 revisions left to test after this (roughly 2 steps) [f812d84bb017d58c8a28358fd628a583d9aa0d73] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git testing commit f812d84bb017d58c8a28358fd628a583d9aa0d73 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 360f682d830929b256aa654a21d1d29065d3d5d68cf848324137b3ae4e9e3604 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] # git bisect bad f812d84bb017d58c8a28358fd628a583d9aa0d73 Bisecting: 1 revision left to test after this (roughly 1 step) [f4e35e5f940c0e1ca83ff6274883f7b7eaba04df] bcachefs: RO mounts now use less memory testing commit f4e35e5f940c0e1ca83ff6274883f7b7eaba04df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c4128a419d729cdb57bb7956a96ccec6ce3f181c27a7e8b4d1d4ec46ab9e6c6 all runs: crashed: WARNING in bio_alloc_bioset representative crash: WARNING in bio_alloc_bioset, types: [WARNING] # git bisect bad f4e35e5f940c0e1ca83ff6274883f7b7eaba04df Bisecting: 0 revisions left to test after this (roughly 0 steps) [3b2a152e50cf88bebb183ed56995578b48b2afcf] bcachefs: Move various init code to _init_early() testing commit 3b2a152e50cf88bebb183ed56995578b48b2afcf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 18d0e960c984560bef724c1df14630eb6a61b35fc31cbfc6102d2bf77d73e6c7 run #0: ignore: lost connection to test machine run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 3b2a152e50cf88bebb183ed56995578b48b2afcf f4e35e5f940c0e1ca83ff6274883f7b7eaba04df is the first bad commit commit f4e35e5f940c0e1ca83ff6274883f7b7eaba04df Author: Kent Overstreet Date: Sat Apr 5 17:36:04 2025 -0400 bcachefs: RO mounts now use less memory Defer memory allocations only needed in RW mode until we actually go RW. This is part of improved support for RO images. Signed-off-by: Kent Overstreet fs/bcachefs/bcachefs.h | 1 + fs/bcachefs/io_read.c | 8 ++++++++ fs/bcachefs/io_write.c | 8 -------- fs/bcachefs/super.c | 51 ++++++++++++++++++++++++++++++++++---------------- 4 files changed, 44 insertions(+), 24 deletions(-) accumulated error probability: 0.00 culprit signature: 9c4128a419d729cdb57bb7956a96ccec6ce3f181c27a7e8b4d1d4ec46ab9e6c6 parent signature: 18d0e960c984560bef724c1df14630eb6a61b35fc31cbfc6102d2bf77d73e6c7 revisions tested: 22, total time: 4h38m6.877644944s (build: 2h6m29.950843011s, test: 2h9m2.685161958s) first bad commit: f4e35e5f940c0e1ca83ff6274883f7b7eaba04df bcachefs: RO mounts now use less memory 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 bio_alloc_bioset bcachefs (loop2): accounting_read... done bcachefs (loop2): alloc_read... done bcachefs (loop2): snapshots_read... done bcachefs (loop2): done starting filesystem ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3365 at block/bio.c:512 bio_alloc_bioset+0x64f/0x6c0 block/bio.c:512 Modules linked in: CPU: 1 UID: 0 PID: 3365 Comm: syz.2.16 Not tainted 6.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:bio_alloc_bioset+0x64f/0x6c0 block/bio.c:512 Code: 42 8d ff 44 89 f9 49 89 c7 48 85 c0 0f 85 80 fe ff ff 66 b9 00 01 f7 44 24 04 00 04 00 00 0f 84 c7 fc ff ff e9 73 ff ff ff 90 <0f> 0b 90 31 db e9 18 ff ff ff 90 0f 0b 90 e9 a3 fc ff ff 0f 1f 44 RSP: 0018:ffffc90003433818 EFLAGS: 00010246 RAX: 505b553db9ed4b00 RBX: ffff88810ff48ff8 RCX: 0000000000000cc0 RDX: 0000000000000001 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000000cc0 R08: ffff88810ff48ff8 R09: ffffc900034339f0 R10: ffff88817d9f0700 R11: 0000000000037180 R12: 0000000000000000 R13: 0000000000000100 R14: 0000000000000008 R15: 0000000000000001 FS: 00007fd33fdc06c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd335e00010 CR3: 000000010affa000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_writepage_io_alloc fs/bcachefs/fs-io-buffered.c:510 [inline] __bch2_writepage+0x548/0x930 fs/bcachefs/fs-io-buffered.c:644 write_cache_pages+0x77/0xd0 mm/page-writeback.c:2644 bch2_writepages+0xda/0x160 fs/bcachefs/fs-io-buffered.c:675 do_writepages+0xdc/0x320 mm/page-writeback.c:2687 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0xb5/0x1e0 mm/filemap.c:694 bchfs_truncate+0x1c2/0x350 fs/bcachefs/fs-io.c:-1 notify_change+0x2fb/0x380 fs/attr.c:552 do_truncate+0xe1/0x120 fs/open.c:65 vfs_truncate+0xdf/0x100 fs/open.c:115 do_sys_truncate+0x72/0xe0 fs/open.c:138 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x220 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd33ef8d169 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:00007fd33fdc0038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fd33f1a5fa0 RCX: 00007fd33ef8d169 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000200000000800 RBP: 00007fd33f00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd33f1a5fa0 R15: 00007ffd513b0958