ci2 starts bisection 2026-08-19 09:05:43.150710931 +0000 UTC m=+121443.817386555
bisecting cause commit starting from bd5f485f3f026225b86573e559af0b7254ef4184
building syzkaller on 1e72964b0111319984575e60f266d1fa0a98abb5
ensuring issue is reproducible on original commit bd5f485f3f026225b86573e559af0b7254ef4184

testing commit bd5f485f3f026225b86573e559af0b7254ef4184 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 30f67f86fabb722b4e6e71971d888566bf264457ec96bf17110a5bc6e72efd50
run #0: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #1: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #2: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #3: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #4: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #5: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #6: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #7: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #8: crashed: UBSAN: shift-out-of-bound[ NUM.ADDR][ T6509] UBSAN: shift-out-of-bounds in raid5_set_limits
run #9: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #10: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #11: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #12: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #13: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #14: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #15: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #16: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #17: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #18: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
run #19: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
check whether we can drop unnecessary instrumentation
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit bd5f485f3f026225b86573e559af0b7254ef4184 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: d834293afcce6a0c0a7bab547d3276d48ee90f009cc0da684ffa11befb19439a
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
the bug reproduces without the instrumentation
disabling configs for [atomic_sleep hang memleak bug_or_warning kasan locking], they are not needed
kconfig minimization: base=4167 full=8409 leaves diff=2099
split chunks (needed=false): <2099>
split chunk #0 of len 2099 into 5 parts
testing without sub-chunk 1/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit bd5f485f3f026225b86573e559af0b7254ef4184 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 03cbbdaabc811496d6a6c24b5f74178aa539ad170c4b1532b8299423ef4864cc
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [kasan locking atomic_sleep hang memleak bug_or_warning], they are not needed
testing commit bd5f485f3f026225b86573e559af0b7254ef4184 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 8f985884cadd683fc0b9f209d60a79c3428ddb700f6a542c9d66fa25fa1b5036
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [locking atomic_sleep hang memleak bug_or_warning kasan], they are not needed
testing commit bd5f485f3f026225b86573e559af0b7254ef4184 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 5ddd7a89dec43ca522281452a2fcfb12f551ae86a1a36635c18dad2925a586c5
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [atomic_sleep hang memleak bug_or_warning kasan locking], they are not needed
testing commit bd5f485f3f026225b86573e559af0b7254ef4184 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 3f2b8402c1006afa9781b526d77ef90e1058e8f1c6d2904a22a8d1e6fce846e1
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [atomic_sleep hang memleak bug_or_warning kasan locking], they are not needed
testing commit bd5f485f3f026225b86573e559af0b7254ef4184 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 30a155df704ef141940651c5dfc2c6548179d9da36076fc791fa1a6f25c0187c
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
the chunk can be dropped
minimized to 420 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 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 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_HAS_DELAY_TIMER ARCH_HAS_USER_SHADOW_STACK 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_DRIVERS AX88796B_PHY BALLOON BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BCACHE BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLKDEV_UBLK_LEGACY_OPCODES 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_UBLK 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_SYSCALL BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY 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_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL 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 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 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_ACOMP CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 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_DEFLATE CRYPTO_DES 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_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_KPP2 CRYPTO_LIB_AES_XTS CRYPTO_LIB_ARC4 CRYPTO_LIB_BLAKE2B CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_ARCH CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_ARCH CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_GF128MUL CRYPTO_LIB_NH CRYPTO_LIB_NH_ARCH CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_ARCH CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4HC CRYPTO_NULL CRYPTO_PCRYPT CRYPTO_RMD160 CRYPTO_RNG CRYPTO_RNG2 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA3 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_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DIBS DIBS_LO DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM 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_AUX_HPD_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_FBDEV_EMULATION ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISA_BUS LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MODVERSIONS MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED PCCARD PCMCIA RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH ZONE_DEVICE]
disabling configs for [hang memleak bug_or_warning kasan locking atomic_sleep], they are not needed
picked [v7.2 v7.1 v7.0 v6.18 v6.16 v6.14 v6.12 v6.10 v6.7 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 45 release tags
testing release v7.2
testing commit 8d3ae59288f1e7d58d76558a6ee96d533bc5019f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: e0aa22279e035f9fdf4da4e557156c917825cc869c702f120a9fbc22bbf78772
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
testing release v7.1
testing commit 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: a366b8dbdfc2d61135b13addbe560a06007213f43e107d27990e2c1e0b500fbf
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
testing release v7.0
testing commit 028ef9c96e96197026887c0f092424679298aae8 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 8d99afd7cfb69ddd3bc68c58e1ecccd25cfde3f043b44feecf19a1f558a17e83
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
testing release v6.18
testing commit 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: cd305849359af80534a6e4604f5f487fbe6f9b29f8d5c92e419132f1161d8eec
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 68196fbd3a2f5bc787a3315e24ab4fb7535d966477bd5e8d9296ced7fc028fc5
all runs: crashed: UBSAN: shift-out-of-bounds in raid5_set_limits
representative crash: UBSAN: shift-out-of-bounds in raid5_set_limits, types: [UBSAN]
testing release v6.14
testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 38fec10eb60d687e30c8c6b5420d86e8149f7557: ld.lld: error: undefined symbol: wcslen
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building adc218676eef25575469234709c2d87185ca223a: ld.lld: error: undefined symbol: wcslen
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 0c3836482481200ead7b416ca80c68a29cfdaabd: ld.lld: error: undefined symbol: wcslen
testing release v6.7
testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 0dd3ee31125508cd67f7e7172247f05b7fd1753a: ld.lld: error: undefined symbol: wcslen
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 6995e2de6891c724bfeb2db33d7b87775f913ad1: ld.lld: error: undefined symbol: wcslen
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 830b3c68c1fb1e9176028d02ef86f3cf76aa2476: 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 v5.18
testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 4b0986a3613c92f4ec1bdc7f60ec66fea135991f: scripts/sign-file.c:89:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
/usr/include/openssl/err.h:425:1: note: 'ERR_get_error_line' has been explicitly marked deprecated here
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
certs/extract-cert.c:46:14: warning: 'ERR_get_error_line' is deprecated [-Wdeprecated-declarations]
certs/extract-cert.c:59:9: 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 v5.15
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 919cc0008d37869ae4904c4bf71bc47b24f48ab9519e7c2f399c97f8001644be
all runs: OK
false negative chance: 0.000
# git bisect start 038d61fd642278bab63ee8ef722c50d10ab01e8f 8bb7eca972ad531c9b149c0a51ab43a417385813
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[53ea7f624fb91074c2f9458832ed74975ee5d64c] Merge tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

testing commit 53ea7f624fb91074c2f9458832ed74975ee5d64c gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 53ea7f624fb91074c2f9458832ed74975ee5d64c: ld.lld: error: undefined symbol: wcslen
# git bisect skip 53ea7f624fb91074c2f9458832ed74975ee5d64c
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[38663034491d00652ac599fa48866bcf2ebd7bc1] Merge tag 'fsnotify_for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

testing commit 38663034491d00652ac599fa48866bcf2ebd7bc1 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 38663034491d00652ac599fa48866bcf2ebd7bc1: ld.lld: error: undefined symbol: wcslen
# git bisect skip 38663034491d00652ac599fa48866bcf2ebd7bc1
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[0b9480da79e070481bd4c352ad555abf9ec7598f] MAINTAINERS: wifi: rtlwifi: remove git tree

testing commit 0b9480da79e070481bd4c352ad555abf9ec7598f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 0b9480da79e070481bd4c352ad555abf9ec7598f: ld.lld: error: undefined symbol: wcslen
# git bisect skip 0b9480da79e070481bd4c352ad555abf9ec7598f
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[1500e7e0726e963f64b9785a0cb0a820b2587bad] Merge tag 'for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

testing commit 1500e7e0726e963f64b9785a0cb0a820b2587bad gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 1500e7e0726e963f64b9785a0cb0a820b2587bad: ld.lld: error: undefined symbol: wcslen
# git bisect skip 1500e7e0726e963f64b9785a0cb0a820b2587bad
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[63580f669d7ff5aa5a1fa2e3994114770a491722] Merge tag 'ovl-update-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs

testing commit 63580f669d7ff5aa5a1fa2e3994114770a491722 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 63580f669d7ff5aa5a1fa2e3994114770a491722: ld.lld: error: undefined symbol: wcslen
# git bisect skip 63580f669d7ff5aa5a1fa2e3994114770a491722
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[1687d8aca5488674686eb46bf49d1d908b2672a1] Merge tag 'x86_apic_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 1687d8aca5488674686eb46bf49d1d908b2672a1 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 1687d8aca5488674686eb46bf49d1d908b2672a1: ld.lld: error: undefined symbol: wcslen
# git bisect skip 1687d8aca5488674686eb46bf49d1d908b2672a1
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[87fa732dc5ff9ea6a2e75b630f7931899e845eb1] Merge tag 'x86-core-2023-08-30-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 87fa732dc5ff9ea6a2e75b630f7931899e845eb1 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 87fa732dc5ff9ea6a2e75b630f7931899e845eb1: ld.lld: error: undefined symbol: wcslen
# git bisect skip 87fa732dc5ff9ea6a2e75b630f7931899e845eb1
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[9855922705630a63a6f27621fab1a248dfb5bfc0] Merge tag 'x86_mm_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 9855922705630a63a6f27621fab1a248dfb5bfc0 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building 9855922705630a63a6f27621fab1a248dfb5bfc0: ld.lld: error: undefined symbol: wcslen
# git bisect skip 9855922705630a63a6f27621fab1a248dfb5bfc0
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[ca96b162bfd21a5d55e3cd6099e4ee357a0eeb68] x86: bring back rep movsq for user access on CPUs without ERMS

testing commit ca96b162bfd21a5d55e3cd6099e4ee357a0eeb68 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
failed building ca96b162bfd21a5d55e3cd6099e4ee357a0eeb68: ./include/linux/jiffies.h:105:3  CC      net/9p/error.o
ld.lld: error: undefined symbol: wcslen
# git bisect skip ca96b162bfd21a5d55e3cd6099e4ee357a0eeb68
Bisecting: 162426 revisions left to test after this (roughly 17 steps)
[872459663c52f5e8a28c0cb6df08b77d6c24ab46] Merge tag 'Smack-for-6.6' of https://github.com/cschaufler/smack-next

revisions tested: 13, total time: 12h10m46.905041873s (build: 4h18m46.964377785s, test: 1h39m47.016076805s)
error: bisection is taking too long (>12h0m0s), aborting