ci starts bisection 2025-04-21 13:43:57.076966567 +0000 UTC m=+318805.670045268 bisecting cause commit starting from ac71fabf15679fc7bc56c51bc92bd4b626564c37 building syzkaller on 2a20f901dbd7922a27b5625a8a442587c8c3df2c ensuring issue is reproducible on original commit ac71fabf15679fc7bc56c51bc92bd4b626564c37 testing commit ac71fabf15679fc7bc56c51bc92bd4b626564c37 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 404d61a9ff857f24fc19806d9b6f201a31e6d7860c622765a1e7ae901389dc6d run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: crashed: kernel BUG in __filemap_add_folio run #7: crashed: kernel BUG in __filemap_add_folio run #8: crashed: kernel BUG in __filemap_add_folio run #9: crashed: kernel BUG in __filemap_add_folio run #10: crashed: general protection fault in guard_bio_eod run #11: crashed: kernel BUG in __filemap_add_folio run #12: crashed: kernel BUG in __filemap_add_folio run #13: crashed: general protection fault in guard_bio_eod run #14: crashed: general protection fault in guard_bio_eod run #15: crashed: kernel BUG in __filemap_add_folio run #16: crashed: kernel BUG in __filemap_add_folio run #17: crashed: kernel BUG in __filemap_add_folio run #18: crashed: kernel BUG in __filemap_add_folio run #19: crashed: kernel BUG in __filemap_add_folio representative crash: kernel BUG in __filemap_add_folio, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit ac71fabf15679fc7bc56c51bc92bd4b626564c37 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: d0b9b711e9db079f381111fddddfaa9898438f8ed27a7ae532ca49f35a2c65be run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: crashed: kernel BUG in __filemap_add_folio run #7: crashed: kernel BUG in mpage_readahead run #8: crashed: kernel BUG in __filemap_add_folio run #9: crashed: kernel BUG in __filemap_add_folio representative crash: kernel BUG in __filemap_add_folio, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4076 full=8321 leaves diff=2127 split chunks (needed=false): <2127> split chunk #0 of len 2127 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ac71fabf15679fc7bc56c51bc92bd4b626564c37 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: ef2bb2139b2523fe96c2f2857264ae05dc5c21563c181eaa7a0d5f2e980d2824 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit ac71fabf15679fc7bc56c51bc92bd4b626564c37 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 5e23064d823de1d38e11815364729615f3625bc2c6c5a2c80d829fc934194d2e all runs: crashed: kernel BUG in __filemap_add_folio representative crash: kernel BUG in __filemap_add_folio, types: [BUG] 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 ac71fabf15679fc7bc56c51bc92bd4b626564c37 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 2b4f1a7f85ba8066cc09d93603d6a0964d057d1545c818f07677c0b0204954f4 all runs: crashed: kernel BUG in __filemap_add_folio representative crash: kernel BUG in __filemap_add_folio, types: [BUG] 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 ac71fabf15679fc7bc56c51bc92bd4b626564c37 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 0d6b9a44a4fea66c93976bd6b25bcede58874c6a9363c817d3a565fb2bf185cf run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: crashed: kernel BUG in __filemap_add_folio run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG] 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 ac71fabf15679fc7bc56c51bc92bd4b626564c37 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: dbb8443883a1a18f539b081224d59626c8fc248136902b1101838194b26cb6c4 run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #6: crashed: kernel BUG in __filemap_add_folio run #7: crashed: kernel BUG in __filemap_add_folio run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG UNKNOWN] 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 ZONE_DEVICE] disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], 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, Debian LLD 15.0.6 kernel signature: 33b35dd11394a23cc93d6afbee51e23b9832f2e8cba24fdaf7c1090ee2d43f59 all runs: OK false negative chance: 0.000 # git bisect start ac71fabf15679fc7bc56c51bc92bd4b626564c37 38fec10eb60d687e30c8c6b5420d86e8149f7557 Bisecting: 7226 revisions left to test after this (roughly 13 steps) [4a4b30ea80d8cb5e8c4c62bb86201f4ea0d9b030] Merge tag 'bcachefs-2025-03-24' of git://evilpiepirate.org/bcachefs testing commit 4a4b30ea80d8cb5e8c4c62bb86201f4ea0d9b030 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 30715b71a4cf9309c262bdc4552e8b6f22562a23ffdc4a5338de851a23bde57f run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: crashed: kernel BUG in __filemap_add_folio run #7: crashed: kernel BUG in __filemap_add_folio run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG] # git bisect bad 4a4b30ea80d8cb5e8c4c62bb86201f4ea0d9b030 Bisecting: 3596 revisions left to test after this (roughly 12 steps) [1e1ba8d23dae91e6a9cfeb1236b02749e8a49ab3] Merge tag 'timers-clocksource-2025-03-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 1e1ba8d23dae91e6a9cfeb1236b02749e8a49ab3 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: bd20589bf2dfffd8688c9d575fd058a66ca69cc08f7511f3bf37aaa478185470 run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: OK run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG] # git bisect bad 1e1ba8d23dae91e6a9cfeb1236b02749e8a49ab3 Bisecting: 1785 revisions left to test after this (roughly 11 steps) [21e0ff5b10ec1b61fda435d42db4ba80d0cdfded] Merge tag 'acpi-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm testing commit 21e0ff5b10ec1b61fda435d42db4ba80d0cdfded gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: b5ddfc91a751343a4bebbabcff174377094215dba50ab5d7f7db2c8f972e40f4 all runs: boot failed: BUG: unable to handle kernel NULL pointer dereference in msix_capability_init unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 # git bisect skip 21e0ff5b10ec1b61fda435d42db4ba80d0cdfded Bisecting: 1785 revisions left to test after this (roughly 11 steps) [47c4f9b1722fd883c9745d7877cb212e41dd2715] Tidy up ASoC control get and put handlers testing commit 47c4f9b1722fd883c9745d7877cb212e41dd2715 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 92c63605c1c62fce6fe342504d1c13cc8e395b3ae39514caa8e2d297dfcd7ad4 all runs: OK false negative chance: 0.000 # git bisect good 47c4f9b1722fd883c9745d7877cb212e41dd2715 Bisecting: 1463 revisions left to test after this (roughly 11 steps) [2899aa3973efa3b0a7005cb7fb60475ea0c3b8a0] Merge tag 'x86_cache_for_v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 2899aa3973efa3b0a7005cb7fb60475ea0c3b8a0 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 3e80b59eb483ac126799ad01f4cc1ff3b61f60040c500d81d24fbfbc69ebe9dc run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: OK run #7: crashed: kernel BUG in __filemap_add_folio run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG] # git bisect bad 2899aa3973efa3b0a7005cb7fb60475ea0c3b8a0 Bisecting: 741 revisions left to test after this (roughly 10 steps) [5a658afd468b0fb55bf5f45c9788ee8dc87ba463] Merge tag 'objtool-core-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 5a658afd468b0fb55bf5f45c9788ee8dc87ba463 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: b7901ec2663691b5053f741dd9e087461ca8c4d1ef9f5b036b9d3977ea9ac781 run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #5: OK run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG UNKNOWN] # git bisect bad 5a658afd468b0fb55bf5f45c9788ee8dc87ba463 Bisecting: 359 revisions left to test after this (roughly 9 steps) [fc13a78e1f68fa5ca41280a397a046a6eff6cc9b] Merge tag 'hardening-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux testing commit fc13a78e1f68fa5ca41280a397a046a6eff6cc9b gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 295f8e8d099fe3e6ecf5a35e9b49e147f972aeed80db19a8dac33e84efd1418a run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: OK run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG UNKNOWN] # git bisect bad fc13a78e1f68fa5ca41280a397a046a6eff6cc9b Bisecting: 174 revisions left to test after this (roughly 8 steps) [26d8e430796e7e110c656e87be8d9d3d3a90a305] Merge tag 'vfs-6.15-rc1.async.dir' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs testing commit 26d8e430796e7e110c656e87be8d9d3d3a90a305 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 15c20db54f0737f25cb73f1b67bcb61aa893852bf106d846bd8f64826439ec2b all runs: OK false negative chance: 0.000 # git bisect good 26d8e430796e7e110c656e87be8d9d3d3a90a305 Bisecting: 90 revisions left to test after this (roughly 7 steps) [9483c37e2d1c48e45d1416327122ff6010ec7f8d] Merge tag 'vfs-6.15-rc1.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs testing commit 9483c37e2d1c48e45d1416327122ff6010ec7f8d gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: ab145c4948fa9335829544f2522b2182b32dd5e5681dbd281e6c068e9613ccd9 run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: crashed: kernel BUG in __filemap_add_folio run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG] # git bisect bad 9483c37e2d1c48e45d1416327122ff6010ec7f8d Bisecting: 41 revisions left to test after this (roughly 5 steps) [e41170cc5ef235a6949ea18edf1444e7f77968c3] Merge tag 'vfs-6.15-rc1.pagesize' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs testing commit e41170cc5ef235a6949ea18edf1444e7f77968c3 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: e2bd76a473dcee0d0758bf437b463ed24d8242129f1cc22975fe173f68f9ec41 run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: OK run #7: OK run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG] # git bisect bad e41170cc5ef235a6949ea18edf1444e7f77968c3 Bisecting: 20 revisions left to test after this (roughly 4 steps) [12e40cbb0ee5951359b759655cef832d72f9397f] selftests: add test for detached mount tree propagation testing commit 12e40cbb0ee5951359b759655cef832d72f9397f gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 71daf59a8acf0fa5becb27b199f0235523827adf9e666e2ec3add12889494c38 all runs: OK false negative chance: 0.000 # git bisect good 12e40cbb0ee5951359b759655cef832d72f9397f Bisecting: 10 revisions left to test after this (roughly 3 steps) [130e696aa68b0e0c13f790898529b2cc1a5f8f8e] Merge tag 'vfs-6.15-rc1.mount.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs testing commit 130e696aa68b0e0c13f790898529b2cc1a5f8f8e gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: df013b591cb98279c89983511fee827b0687bfd8ef4d3035bf2223b562c1ddea all runs: OK false negative chance: 0.000 # git bisect good 130e696aa68b0e0c13f790898529b2cc1a5f8f8e Bisecting: 4 revisions left to test after this (roughly 3 steps) [3c20917120ce61f2a123ca0810293872f4c6b5a4] block/bdev: enable large folio support for large logical block sizes testing commit 3c20917120ce61f2a123ca0810293872f4c6b5a4 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 0b2ed2ec715efb4f7d9f03703ffd610d9e1adb7a670ad65e29b855db36df4a77 all runs: OK false negative chance: 0.000 # git bisect good 3c20917120ce61f2a123ca0810293872f4c6b5a4 Bisecting: 1 revision left to test after this (roughly 1 step) [29d12803f653b04cdb5fa1757fead9acef63fe28] Merge patch series "enable bs > ps for block devices" testing commit 29d12803f653b04cdb5fa1757fead9acef63fe28 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 6562f85e4f6418340e0fc3454b0e43db5d7fcdd0b6cb526683c4dde19a7f13b2 run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in guard_bio_eod run #6: OK run #7: OK run #8: crashed: kernel BUG in mpage_readahead run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG UNKNOWN] # git bisect bad 29d12803f653b04cdb5fa1757fead9acef63fe28 Bisecting: 0 revisions left to test after this (roughly 1 step) [425fbcd62d2e1330e64d8d3bf89e554830ba997f] bdev: use bdev_io_min() for statx block size testing commit 425fbcd62d2e1330e64d8d3bf89e554830ba997f gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 19201d5e6fb814a66548d08aefa00125954140be18c7e6cdd5f556c35b2bf260 run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: crashed: kernel BUG in __filemap_add_folio run #7: crashed: kernel BUG in __filemap_add_folio run #8: crashed: kernel BUG in __filemap_add_folio run #9: OK representative crash: kernel BUG in __filemap_add_folio, types: [BUG] # git bisect bad 425fbcd62d2e1330e64d8d3bf89e554830ba997f Bisecting: 0 revisions left to test after this (roughly 0 steps) [47dd67532303803a87f43195e088b3b4bcf0454d] block/bdev: lift block size restrictions to 64k testing commit 47dd67532303803a87f43195e088b3b4bcf0454d gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: d057cbe332db14c6f5f10fea8839fc5ebd0fa3f89dfbbe502fb2a4f95222ec0a run #0: crashed: kernel BUG in __filemap_add_folio run #1: crashed: kernel BUG in __filemap_add_folio run #2: crashed: kernel BUG in __filemap_add_folio run #3: crashed: kernel BUG in __filemap_add_folio run #4: crashed: kernel BUG in __filemap_add_folio run #5: crashed: kernel BUG in __filemap_add_folio run #6: crashed: kernel BUG in __filemap_add_folio run #7: crashed: kernel BUG in __filemap_add_folio run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1964194334" "root@10.128.0.54:./syz-executor1964194334"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.54, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.54 [10.128.0.54] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u4 Connection timed out during banner exchange Connection to 10.128.0.54 port 22 timed out scp: Connection closed run #9: crashed: kernel BUG in __filemap_add_folio representative crash: kernel BUG in __filemap_add_folio, types: [BUG] # git bisect bad 47dd67532303803a87f43195e088b3b4bcf0454d 47dd67532303803a87f43195e088b3b4bcf0454d is the first bad commit commit 47dd67532303803a87f43195e088b3b4bcf0454d Author: Luis Chamberlain Date: Fri Feb 21 14:38:22 2025 -0800 block/bdev: lift block size restrictions to 64k We now can support blocksizes larger than PAGE_SIZE, so in theory we should be able to lift the restriction up to the max supported page cache order. However bound ourselves to what we can currently validate and test. Through blktests and fstest we can validate up to 64k today. Reviewed-by: Hannes Reinecke Reviewed-by: "Matthew Wilcox (Oracle)" Signed-off-by: Luis Chamberlain Link: https://lore.kernel.org/r/20250221223823.1680616-8-mcgrof@kernel.org Signed-off-by: Christian Brauner block/bdev.c | 3 +-- include/linux/blkdev.h | 8 +++++++- 2 files changed, 8 insertions(+), 3 deletions(-) accumulated error probability: 0.00 culprit signature: d057cbe332db14c6f5f10fea8839fc5ebd0fa3f89dfbbe502fb2a4f95222ec0a parent signature: 0b2ed2ec715efb4f7d9f03703ffd610d9e1adb7a670ad65e29b855db36df4a77 revisions tested: 24, total time: 9h21m37.574961308s (build: 3h57m8.785963535s, test: 5h0m36.978871709s) first bad commit: 47dd67532303803a87f43195e088b3b4bcf0454d block/bdev: lift block size restrictions to 64k recipients (to): ["brauner@kernel.org" "hare@suse.de" "mcgrof@kernel.org" "willy@infradead.org"] recipients (cc): [] crash: kernel BUG in __filemap_add_folio blkdev_ioctl+0x86/0x290 block/ioctl.c:676 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0x6a/0xb0 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x1f0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:872! Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 UID: 0 PID: 30572 Comm: syz.1.11022 Not tainted 6.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__filemap_add_folio+0x4df/0x570 mm/filemap.c:871 Code: e8 56 ad 05 00 90 0f 0b 4c 89 f7 48 c7 c6 3a b9 6f 83 e8 44 ad 05 00 90 0f 0b 4c 89 f7 48 c7 c6 b9 4a 7b 83 e8 32 ad 05 00 90 <0f> 0b 4c 89 f7 48 c7 c6 8b 19 73 83 e8 20 ad 05 00 90 0f 0b 4c 89 RSP: 0000:ffffc90001f3fb70 EFLAGS: 00010246 RAX: 93c649f86602a500 RBX: ffffea0005e74400 RCX: 93c649f86602a500 RDX: 0000000000000002 RSI: ffffffff8360b7d7 RDI: ffff888179bc5280 RBP: 0000000000000000 R08: ffffffff83acf600 R09: 00000000ffffdfff R10: 0000000000000000 R11: 3fffffffffffffff R12: ffff888110506b78 R13: 000000000000001f R14: ffffea0005e74400 R15: ffff888110506b80 FS: 000055558007f500(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000100 CR3: 0000000103382000 CR4: 0000000000350ef0 Call Trace: filemap_add_folio+0x6e/0x140 mm/filemap.c:981 ra_alloc_folio mm/readahead.c:449 [inline] page_cache_ra_order+0x22c/0x3d0 mm/readahead.c:510 do_sync_mmap_readahead+0x11e/0x1e0 mm/filemap.c:-1 filemap_fault+0x1f8/0x680 mm/filemap.c:3447 __do_fault+0x3e/0xd0 mm/memory.c:4977 do_shared_fault mm/memory.c:5456 [inline] do_fault mm/memory.c:5530 [inline] do_pte_missing mm/memory.c:4047 [inline] handle_pte_fault mm/memory.c:5889 [inline] __handle_mm_fault mm/memory.c:6032 [inline] handle_mm_fault+0xd7a/0x1d10 mm/memory.c:6201 do_user_addr_fault arch/x86/mm/fault.c:1337 [inline] handle_page_fault arch/x86/mm/fault.c:1480 [inline] exc_page_fault+0x3b9/0x750 arch/x86/mm/fault.c:1538 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f4522c54be3 Code: 8b 44 24 08 48 85 c0 74 17 48 8b 54 24 18 48 0f ca 48 89 54 24 18 48 83 f8 01 0f 85 7a 02 00 00 48 8b 44 24 10 48 8b 54 24 18 <48> 89 10 e9 d2 fd ff ff 48 8b 44 24 10 0f b7 10 48 8b 44 24 08 48 RSP: 002b:00007ffc5e974960 EFLAGS: 00010246 RAX: 0000200000000100 RBX: 0000000000000008 RCX: 0000000000000000 RDX: 0000000000010000 RSI: 0000000000000000 RDI: 000055558007f3c8 RBP: 00007ffc5e974a68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: 00007f4522fb5fac R13: 00007f4522fb5fa0 R14: fffffffffffffffe R15: 00007ffc5e974ab0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x4df/0x570 mm/filemap.c:871 Code: e8 56 ad 05 00 90 0f 0b 4c 89 f7 48 c7 c6 3a b9 6f 83 e8 44 ad 05 00 90 0f 0b 4c 89 f7 48 c7 c6 b9 4a 7b 83 e8 32 ad 05 00 90 <0f> 0b 4c 89 f7 48 c7 c6 8b 19 73 83 e8 20 ad 05 00 90 0f 0b 4c 89 RSP: 0000:ffffc90001f3fb70 EFLAGS: 00010246 RAX: 93c649f86602a500 RBX: ffffea0005e74400 RCX: 93c649f86602a500 RDX: 0000000000000002 RSI: ffffffff8360b7d7 RDI: ffff888179bc5280 RBP: 0000000000000000 R08: ffffffff83acf600 R09: 00000000ffffdfff R10: 0000000000000000 R11: 3fffffffffffffff R12: ffff888110506b78 R13: 000000000000001f R14: ffffea0005e74400 R15: ffff888110506b80 FS: 000055558007f500(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000100 CR3: 0000000103382000 CR4: 0000000000350ef0