ci starts bisection 2025-05-03 07:31:48.884621809 +0000 UTC m=+55638.812348309
bisecting cause commit starting from ebd297a2affadb6f6f4d2e5d975c1eda18ac762d
building syzkaller on 51b137cd3bce734cd1dd99bf6840273596278bda
ensuring issue is reproducible on original commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d

testing commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 589205a1c740cccf89c82ee765893017657d09b60dd3c3823f68b5d858366617
all runs: crashed: INFO: task hung in blkdev_read_iter
representative crash: INFO: task hung in blkdev_read_iter, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 1acd3ca7203e4c59b37b423923e022d254d4aecad4cfa1fec17f4276226baf19
all runs: OK
false negative chance: 0.000
kconfig minimization: base=4087 full=8329 leaves diff=2131
split chunks (needed=false): <2131>
split chunk #0 of len 2131 into 5 parts
testing without sub-chunk 1/5
testing commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: de025c51c6c724c1708fadcc166c15499614ab8d82a4c7c3c727ef0ec1c9f929
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
testing commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 9740b038c78ce8d65aeaa73e7a827b9f8f600d0e69815d72623ff6fcf8f260de
all runs: crashed: INFO: task hung in blkdev_read_iter
representative crash: INFO: task hung in blkdev_read_iter, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 378b6a3cd156c181e2567aec38bc82fd6bddd0e191e8d0693341f541ae136872
all runs: crashed: INFO: task hung in blkdev_read_iter
representative crash: INFO: task hung in blkdev_read_iter, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 69ef095a0380393c7a200311e6a1cf096943f3d1a9ad4eac54c43607b465d6aa
all runs: crashed: INFO: task hung in blkdev_read_iter
representative crash: INFO: task hung in blkdev_read_iter, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
testing commit ebd297a2affadb6f6f4d2e5d975c1eda18ac762d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 1a53638e26d21050e4624d44a287fa5420f0701d1332b1080bfbf3b7094eb252
all runs: crashed: INFO: task hung in blkdev_read_iter
representative crash: INFO: task hung in blkdev_read_iter, types: [HANG]
the chunk can be dropped
minimized to 427 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_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 AS_SHA1_NI AS_SHA256_NI AS_TPAUSE 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_INITRD 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_CCITT 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_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_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]
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 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: a01208dd6e6b5ba5bda3851f1c0dda97c9868b162762a43961bdef207281c370
run #0: crashed: INFO: task hung in page_cache_ra_unbounded
run #1: crashed: INFO: task hung in page_cache_ra_unbounded
run #2: crashed: INFO: task hung in page_cache_ra_unbounded
run #3: crashed: INFO: task hung in page_cache_ra_unbounded
run #4: crashed: INFO: task hung in filemap_get_pages
run #5: crashed: INFO: task hung in page_cache_ra_unbounded
run #6: crashed: INFO: task hung in page_cache_ra_unbounded
run #7: crashed: INFO: task hung in page_cache_ra_unbounded
run #8: crashed: INFO: task hung in page_cache_ra_unbounded
run #9: crashed: INFO: task hung in page_cache_ra_unbounded
representative crash: INFO: task hung in page_cache_ra_unbounded, types: [HANG]
testing release v6.13
testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 885066a57431be08e86444468d6d7cd4cfe23d3cf780334f6ab8c503ca0b8506
all runs: crashed: INFO: task hung in page_cache_ra_unbounded
representative crash: INFO: task hung in page_cache_ra_unbounded, types: [HANG]
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: c6a112e0d5eee143d038869dc8f0a175261884cd35f5e3ab5c7e3655d20b1666
run #0: crashed: INFO: task hung in page_cache_ra_unbounded
run #1: crashed: INFO: task hung in page_cache_ra_unbounded
run #2: crashed: INFO: task hung in page_cache_ra_unbounded
run #3: crashed: INFO: task hung in page_cache_ra_unbounded
run #4: crashed: INFO: task hung in filemap_get_pages
run #5: crashed: INFO: task hung in page_cache_ra_unbounded
run #6: crashed: INFO: task hung in page_cache_ra_unbounded
run #7: crashed: INFO: task hung in page_cache_ra_unbounded
run #8: crashed: INFO: task hung in page_cache_ra_unbounded
run #9: crashed: INFO: task hung in page_cache_ra_unbounded
representative crash: INFO: task hung in page_cache_ra_unbounded, types: [HANG]
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 7a141a07cadfb890eb1240105b263c4b80c687fe19042a1a1325dcea09baa663
all runs: boot failed: UBSAN: signed-integer-overflow in __cancel_work
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
testing release v6.8
testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
failed building e8f897f4afef0031fe618a8e94127a0934896aba: ./include/linux/thread_info.h:244:4: error: call to '__bad_copy_from' declared with 'error' attribute: copy source size is too small
testing release v6.6
testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
failed building ffc253263a1375a65fa6c9f62a893e9767fbebfa: ./include/linux/thread_info.h:244:4: error: call to '__bad_copy_from' declared with 'error' attribute: copy source size is too small
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
failed building 6995e2de6891c724bfeb2db33d7b87775f913ad1: ./include/linux/thread_info.h:244:4: error: call to '__bad_copy_from' declared with 'error' attribute: copy source size is too small
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
failed building c9c3395d5e3dcc6daee66c6908354d47bf98cb0c: ./include/linux/thread_info.h:228:4: error: call to '__bad_copy_from' declared with 'error' attribute: copy source size is too small
./include/linux/fortify-string.h:652:4: error: call to '__read_overflow' declared with 'error' attribute: detected read beyond size of object (1st parameter)
testing release v5.19
testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
failed building 3d7cb6b04c3f3115719235cc6866b10326de34cd: ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined
llvm-objdump: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
llvm-objcopy: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
testing release v5.16
testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
failed building df0cc57e057f18e44dac8e6c18aba47ab53202f9: scripts/extract-cert.c:46:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
/usr/include/openssl/err.h:422:1: note: 'ERR_get_error_line' has been explicitly marked deprecated here
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
scripts/sign-file.c:89:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined
llvm-objdump: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
llvm-objcopy: error: 'arch/x86/entry/vdso/vdso64.so.dbg': No such file or directory
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 46322e10398d32fcfa70708c7864004143edff372c0a29022a11500517d30240
run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #1: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #2: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #3: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #4: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #5: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #6: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #7: OK
run #8: OK
run #9: OK
representative crash: BUG: sleeping function called from invalid context in lock_sock_nested, types: [ATOMIC_SLEEP]
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1b6c568c23a5f401958991a5d6aec17ae414da6acfd11a0c361a1d67a0374092
run #0: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #1: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #2: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #3: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #4: crashed: WARNING: locking bug in get_partial_node
run #5: crashed: WARNING: locking bug in stack_depot_save
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: WARNING: locking bug in get_partial_node, types: [LOCKDEP]
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc
compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3eafea8be59374f6865ac7528524a000adacfd28544acced9f1f5616160e42e7
all runs: OK
false negative chance: 0.000
# git bisect start 2c85ebc57b3e1817b6ce1a6b703928e113a90442 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
Bisecting: 25308 revisions left to test after this (roughly 15 steps)
[47ec5303d73ea344e84f46660fff693c57641386] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

testing commit 47ec5303d73ea344e84f46660fff693c57641386 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 47ec5303d73ea344e84f46660fff693c57641386: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
mm/migrate.c:2391:7: error: 'struct mmu_notifier_range' has no member named 'migrate_pgmap_owner'
# git bisect skip 47ec5303d73ea344e84f46660fff693c57641386
Bisecting: 25308 revisions left to test after this (roughly 15 steps)
[df9db2541a82ec18c474942a93729420d37fac81] regulator: bd718x7 initialize regulator config only once

testing commit df9db2541a82ec18c474942a93729420d37fac81 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 940a86c4f5cdf6289e01336f9d83e7c1f9b03a8a3b413f1dbea87ec42db39348
run #0: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #1: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #2: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #3: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #4: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #5: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #6: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #7: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #8: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #9: crashed: WARNING: locking bug in stack_depot_save
run #10: crashed: WARNING: locking bug in stack_depot_save
run #11: crashed: WARNING: locking bug in stack_depot_save
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: WARNING: locking bug in stack_depot_save, types: [LOCKDEP]
# git bisect bad df9db2541a82ec18c474942a93729420d37fac81
Bisecting: 15878 revisions left to test after this (roughly 14 steps)
[6a1cf4e443a3b0a4d690d3c93b84b1e9cbfcb1bd] net/mlx5e: Fix 50G per lane indication

testing commit 6a1cf4e443a3b0a4d690d3c93b84b1e9cbfcb1bd gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d750d313420e4dbdc4decbad4c184f9fb23f4bd685008437c79c6f36003e959b
all runs: OK
false negative chance: 0.000
# git bisect good 6a1cf4e443a3b0a4d690d3c93b84b1e9cbfcb1bd
Bisecting: 8215 revisions left to test after this (roughly 13 steps)
[8186749621ed6b8fc42644c399e8c755a2b6f630] Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm

testing commit 8186749621ed6b8fc42644c399e8c755a2b6f630 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 8186749621ed6b8fc42644c399e8c755a2b6f630: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
mm/migrate.c:2391:7: error: 'struct mmu_notifier_range' has no member named 'migrate_pgmap_owner'
# git bisect skip 8186749621ed6b8fc42644c399e8c755a2b6f630
Bisecting: 8215 revisions left to test after this (roughly 13 steps)
[2e6bd221d96fcfd9bd1eed5cd9c008e7959daed7] powerpc/kexec_file: Enable early kernel OPAL calls

testing commit 2e6bd221d96fcfd9bd1eed5cd9c008e7959daed7 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5ea3c14ebb9ae30726931928e47d31a4ed5073966eaf493584b0a3d08d50b016
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 2e6bd221d96fcfd9bd1eed5cd9c008e7959daed7
Bisecting: 8215 revisions left to test after this (roughly 13 steps)
[0a37abfa017a90cf0708f69022368cca6869416f] ice: port fix for chk_linearlize

testing commit 0a37abfa017a90cf0708f69022368cca6869416f gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 0a37abfa017a90cf0708f69022368cca6869416f: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
net/ipv4/syncookies.c:216:19: error: 'struct tcp_request_sock' has no member named 'drop_req'
# git bisect skip 0a37abfa017a90cf0708f69022368cca6869416f
Bisecting: 8215 revisions left to test after this (roughly 13 steps)
[fec61ff40b9e2a2439332eaca498aebe4eb5e056] clk: spear: Remove uninitialized_var() usage

testing commit fec61ff40b9e2a2439332eaca498aebe4eb5e056 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 226ac9c3b240b7f6586668de7a5b33388c249c25f4e30354f838c7617d2f2fa4
run #0: crashed: WARNING: locking bug in stack_depot_save
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: WARNING: locking bug in stack_depot_save, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip fec61ff40b9e2a2439332eaca498aebe4eb5e056
Bisecting: 8215 revisions left to test after this (roughly 13 steps)
[9ecc6ea491f0c0531ad81ef9466284df260b2227] Merge tag 'seccomp-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

testing commit 9ecc6ea491f0c0531ad81ef9466284df260b2227 gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 94c6909d5283c780f86d6d4a90708b39212fb187ed0a06e92776d0a13fc6a316
run #0: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #1: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #2: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #3: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #4: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #5: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #6: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #7: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #8: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #9: basic kernel testing failed: WARNING: locking bug in stack_depot_save
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 10 good runs (wanted 15), for bad wanted 10 in total, got 10
# git bisect skip 9ecc6ea491f0c0531ad81ef9466284df260b2227
Bisecting: 8215 revisions left to test after this (roughly 13 steps)
[bcf85fcedfdd17911982a3e3564fcfec7b01eebd] romfs: fix uninitialized memory leak in romfs_dev_read()

reproducer is flaky (0.64 repro chance estimate)
revisions tested: 19, total time: 12h10m23.011487744s (build: 8h24m50.719698151s, test: 3h21m14.618916678s)
error: bisection is taking too long (>12h0m0s), aborting