ci2 starts bisection 2023-11-08 13:25:52.318645694 +0000 UTC m=+94.972094349 bisecting cause commit starting from 13d88ac54ddd1011b6e94443958e798aa06eb835 building syzkaller on 8321139737ed27c82617231b782e88dd1e818227 ensuring issue is reproducible on original commit 13d88ac54ddd1011b6e94443958e798aa06eb835 testing commit 13d88ac54ddd1011b6e94443958e798aa06eb835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c2c556f94206f55fca1952e896a2c9ab89926c85b61b37b88591c023ce79c58 run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request run #3: crashed: WARNING in blk_mq_start_request run #4: crashed: WARNING in blk_mq_start_request run #5: crashed: WARNING in blk_mq_start_request run #6: crashed: WARNING in blk_mq_start_request run #7: crashed: WARNING in blk_mq_start_request run #8: crashed: WARNING in blk_mq_start_request run #9: crashed: WARNING in blk_mq_start_request run #10: crashed: WARNING in blk_mq_start_request run #11: crashed: WARNING in blk_mq_start_request run #12: crashed: WARNING in blk_mq_start_request run #13: crashed: WARNING in blk_mq_start_request run #14: crashed: WARNING in blk_mq_start_request run #15: crashed: WARNING in blk_mq_start_request run #16: crashed: WARNING in blk_mq_start_request run #17: crashed: WARNING in blk_mq_start_request run #18: OK run #19: OK representative crash: WARNING in blk_mq_start_request, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 13d88ac54ddd1011b6e94443958e798aa06eb835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3500fdd9ab6dff14eada85418ec51ef4ef0875e963d7173b5ea28ea1cfe9094f run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: WARNING in blk_mq_start_request, types: [WARNING] kconfig minimization: base=3930 full=7656 leaves diff=1999 split chunks (needed=false): <1999> split chunk #0 of len 1999 into 5 parts testing without sub-chunk 1/5 testing commit 13d88ac54ddd1011b6e94443958e798aa06eb835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fd4c8f726f2a60eea31590304b2199922b48f3870799328e910dddc9781ca008 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 testing commit 13d88ac54ddd1011b6e94443958e798aa06eb835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 263f96ef26baa86c5927e9e32b6cece9b613b2734941d98686a6340c58a1eaff run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request run #3: crashed: WARNING in blk_mq_start_request run #4: crashed: WARNING in blk_mq_start_request run #5: crashed: WARNING in blk_mq_start_request run #6: crashed: WARNING in blk_mq_start_request run #7: crashed: WARNING in blk_mq_start_request run #8: crashed: WARNING in blk_mq_start_request run #9: crashed: WARNING in blk_mq_start_request run #10: crashed: WARNING in blk_mq_start_request run #11: crashed: WARNING in blk_mq_start_request run #12: crashed: WARNING in blk_mq_start_request run #13: crashed: WARNING in blk_mq_start_request run #14: crashed: WARNING in blk_mq_start_request run #15: crashed: WARNING in blk_mq_start_request run #16: crashed: WARNING in blk_mq_start_request run #17: crashed: WARNING in blk_mq_start_request run #18: OK run #19: OK representative crash: WARNING in blk_mq_start_request, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 testing commit 13d88ac54ddd1011b6e94443958e798aa06eb835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71e54dd69d64f26388d1629e55444117ad2b643fc77e036b2e8645b2ccf5661f all runs: crashed: WARNING in blk_mq_start_request representative crash: WARNING in blk_mq_start_request, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 testing commit 13d88ac54ddd1011b6e94443958e798aa06eb835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 49808dbdef6dff8425c5f82948695a62364ef6e91ce7964c814cad367069fff4 all runs: crashed: WARNING in blk_mq_start_request representative crash: WARNING in blk_mq_start_request, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 testing commit 13d88ac54ddd1011b6e94443958e798aa06eb835 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 311ec2a84e48556ce4edf6ac401efd7e8bb55f39a71a8bcf652a58a34dce8ece all runs: crashed: WARNING in blk_mq_start_request representative crash: WARNING in blk_mq_start_request, types: [WARNING] the chunk can be dropped minimized to 400 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_PLATFORM_PROFILE ADDRESS_MASKING ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS 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_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG 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 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_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_INITRD BLK_DEV_INTEGRITY BLK_DEV_INTEGRITY_T10 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_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_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB 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_HIDP BT_HS BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MSFTEXT BT_MTK 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_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_VCAN CAN_VXCAN CAPI_TRACE 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_BQ24190 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 CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MBYTES 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 CRC4 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF 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_CFB CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL 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_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LRW CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_OFB CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM2 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_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CUSE CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DIMLIB 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_BOCHS DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 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 WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 07bfe516a41f44c003ab7e2525287557984076e9b0cd5a19a6f43173eed3a726 all runs: OK false negative chance: 0.000 # git bisect start 13d88ac54ddd1011b6e94443958e798aa06eb835 ffc253263a1375a65fa6c9f62a893e9767fbebfa Bisecting: 8331 revisions left to test after this (roughly 13 steps) [8bc9e6515183935fa0cccaf67455c439afe4982b] Merge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit 8bc9e6515183935fa0cccaf67455c439afe4982b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0b9ee749faa6f8477bfbd11d43cf79163b42a6c2ce00747fca90e55f2937988 all runs: OK false negative chance: 0.000 # git bisect good 8bc9e6515183935fa0cccaf67455c439afe4982b Bisecting: 4051 revisions left to test after this (roughly 12 steps) [edd8e84ae9514e93368f56c3715b11af52df6c3b] Merge tag 'sound-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit edd8e84ae9514e93368f56c3715b11af52df6c3b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6bc33556f5049165bc656b14eed3efb9735792fac55f1f0ab500bf575416d35f all runs: crashed: WARNING in blk_mq_start_request representative crash: WARNING in blk_mq_start_request, types: [WARNING] # git bisect bad edd8e84ae9514e93368f56c3715b11af52df6c3b Bisecting: 2114 revisions left to test after this (roughly 11 steps) [90d624af2e5a9945eedd5cafd6ae6d88f32cc977] Merge tag 'for-6.7/block-2023-10-30' of git://git.kernel.dk/linux testing commit 90d624af2e5a9945eedd5cafd6ae6d88f32cc977 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 313323b7c8bcd8563072cfed5752cf4ba73399e40f223456937f2d2e07bf71b3 all runs: crashed: WARNING in blk_mq_start_request representative crash: WARNING in blk_mq_start_request, types: [WARNING] # git bisect bad 90d624af2e5a9945eedd5cafd6ae6d88f32cc977 Bisecting: 766 revisions left to test after this (roughly 10 steps) [27442758e9b4e083bef3f164a1739475c01f3202] Merge tag 'amd-drm-next-6.7-2023-10-13' of https://gitlab.freedesktop.org/agd5f/linux into drm-next testing commit 27442758e9b4e083bef3f164a1739475c01f3202 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f49c885df2c9e679d6b73da0818bde188902f8b0f23dbdd07ccfc154374a1fe7 all runs: OK false negative chance: 0.000 # git bisect good 27442758e9b4e083bef3f164a1739475c01f3202 Bisecting: 407 revisions left to test after this (roughly 9 steps) [915b6d034b54425b42705c8772ddb7a121759eb1] Merge tag 'drm-misc-next-2023-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next testing commit 915b6d034b54425b42705c8772ddb7a121759eb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f6b75b83deadfc29a509b1f42060cd530c129d477cfc41edd0cf968baf1da37 all runs: OK false negative chance: 0.000 # git bisect good 915b6d034b54425b42705c8772ddb7a121759eb1 Bisecting: 177 revisions left to test after this (roughly 8 steps) [979ff1e5af8a46f75a69ffa86209f8650547f42f] Merge tag 'm68k-for-v6.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k testing commit 979ff1e5af8a46f75a69ffa86209f8650547f42f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdd429f8cf0cc39d8e46e07fca9ff163bd59d095a370993026cb4fc47a2c42d0 all runs: OK false negative chance: 0.000 # git bisect good 979ff1e5af8a46f75a69ffa86209f8650547f42f Bisecting: 91 revisions left to test after this (roughly 7 steps) [ec8cf230ceccfcc2bd29990c2902be168a92dee4] powerpc/pseries: PLPKS SED Opal keystore support testing commit ec8cf230ceccfcc2bd29990c2902be168a92dee4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3029586d6a69b272c153789b0e87c054fe3b98b8195d1c73bc6d49a964bec86e run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request run #3: crashed: WARNING in blk_mq_start_request run #4: crashed: WARNING in blk_mq_start_request run #5: crashed: WARNING in blk_mq_start_request run #6: crashed: WARNING in blk_mq_start_request 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 in blk_mq_start_request, types: [WARNING] # git bisect bad ec8cf230ceccfcc2bd29990c2902be168a92dee4 Bisecting: 42 revisions left to test after this (roughly 6 steps) [4717c02875221d43d73ffed07f960d881bc00fc8] md: remove old apis to suspend the array testing commit 4717c02875221d43d73ffed07f960d881bc00fc8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 636d389237bd41b79255e3ae7237c584660fbff6e3ce9c8f3e17b6d6343d5c83 run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request run #3: crashed: WARNING in blk_mq_start_request run #4: crashed: WARNING in blk_mq_start_request run #5: crashed: WARNING in blk_mq_start_request run #6: crashed: WARNING in blk_mq_start_request 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 in blk_mq_start_request, types: [WARNING] # git bisect bad 4717c02875221d43d73ffed07f960d881bc00fc8 Bisecting: 21 revisions left to test after this (roughly 5 steps) [ceb0416383988dbd5decd6a70141a3507732c160] md: replace deprecated strncpy with memcpy testing commit ceb0416383988dbd5decd6a70141a3507732c160 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e335e851e74d36c3460247f7718b3eadc2bf324a738a99357d2ef51d349cf965 run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request run #3: crashed: WARNING in blk_mq_start_request run #4: crashed: WARNING in blk_mq_start_request run #5: crashed: WARNING in blk_mq_start_request run #6: crashed: WARNING in blk_mq_start_request run #7: crashed: WARNING in blk_mq_start_request run #8: crashed: WARNING in blk_mq_start_request run #9: crashed: WARNING in blk_mq_start_request 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 in blk_mq_start_request, types: [WARNING] # git bisect bad ceb0416383988dbd5decd6a70141a3507732c160 Bisecting: 10 revisions left to test after this (roughly 3 steps) [b172a0704d0ddea3a55f3633f8249c3ce7d960bc] md: factor out a helper rdev_is_spare() from remove_and_add_spares() testing commit b172a0704d0ddea3a55f3633f8249c3ce7d960bc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a3e549dd7baf80bd8b53268c39722dbd3d85bc26ec7b506c62e0a4990152cb8a run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request run #3: crashed: WARNING in blk_mq_start_request run #4: crashed: WARNING in blk_mq_start_request run #5: crashed: WARNING in blk_mq_start_request 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 in blk_mq_start_request, types: [WARNING] # git bisect bad b172a0704d0ddea3a55f3633f8249c3ce7d960bc Bisecting: 4 revisions left to test after this (roughly 2 steps) [d78bfa1346ab1fe04d20aa45a0678d1fc866f37c] block/null_blk: add queue_rqs() support testing commit d78bfa1346ab1fe04d20aa45a0678d1fc866f37c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 19e7e09668668b536c1d37a3180d3f086e983b23bb58fbab32cc25ab756ffb9d run #0: crashed: WARNING in blk_mq_start_request run #1: crashed: WARNING in blk_mq_start_request run #2: crashed: WARNING in blk_mq_start_request 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 in blk_mq_start_request, types: [WARNING] # git bisect bad d78bfa1346ab1fe04d20aa45a0678d1fc866f37c Bisecting: 2 revisions left to test after this (roughly 1 step) [48554df6bf2b1e83f70749bf4b4d7914f8b3c01d] blk-mq: remove RQF_MQ_INFLIGHT testing commit 48554df6bf2b1e83f70749bf4b4d7914f8b3c01d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26f845d4df59003cc78a94daf0a1105028c0125104c02edfb8101aa96ed07334 all runs: OK false negative chance: 0.002 # git bisect good 48554df6bf2b1e83f70749bf4b4d7914f8b3c01d Bisecting: 0 revisions left to test after this (roughly 1 step) [217b613a53d3a430aa2e5d1523819dc271f02ff0] blk-mq: update driver tags request table when start request testing commit 217b613a53d3a430aa2e5d1523819dc271f02ff0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f99a41acf37c902fee76f0da90140be0fcdcf29686bd7ad3833d26bc2388460 all runs: OK false negative chance: 0.002 # git bisect good 217b613a53d3a430aa2e5d1523819dc271f02ff0 d78bfa1346ab1fe04d20aa45a0678d1fc866f37c is the first bad commit commit d78bfa1346ab1fe04d20aa45a0678d1fc866f37c Author: Chengming Zhou Date: Wed Sep 13 15:16:16 2023 +0000 block/null_blk: add queue_rqs() support Add batched mq_ops.queue_rqs() support in null_blk for testing. The implementation is much easy since null_blk doesn't have commit_rqs(). We simply handle each request one by one, if errors are encountered, leave them in the passed in list and return back. There is about 3.6% improvement in IOPS of fio/t/io_uring on null_blk with hw_queue_depth=256 on my test VM, from 1.09M to 1.13M. Signed-off-by: Chengming Zhou Reviewed-by: Ming Lei Link: https://lore.kernel.org/r/20230913151616.3164338-6-chengming.zhou@linux.dev Signed-off-by: Jens Axboe drivers/block/null_blk/main.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) accumulated error probability: 0.00 culprit signature: 19e7e09668668b536c1d37a3180d3f086e983b23bb58fbab32cc25ab756ffb9d parent signature: 0f99a41acf37c902fee76f0da90140be0fcdcf29686bd7ad3833d26bc2388460 reproducer is flaky (0.28 repro chance estimate) revisions tested: 21, total time: 7h51m45.579030859s (build: 3h4m36.484373701s, test: 3h51m53.287316099s) first bad commit: d78bfa1346ab1fe04d20aa45a0678d1fc866f37c block/null_blk: add queue_rqs() support recipients (to): ["axboe@kernel.dk" "ming.lei@redhat.com" "zhouchengming@bytedance.com"] recipients (cc): [] crash: WARNING in blk_mq_start_request Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7ae730c0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7ae679bf80 RCX: 00007f7ae667cae9 RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 0000000020000000 RBP: 00007f7ae730c120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007f7ae679bf80 R15: 00007fffe25625c8 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2344 at block/blk-mq.c:1258 blk_mq_start_request+0x35e/0x570 block/blk-mq.c:1270 Modules linked in: CPU: 0 PID: 2344 Comm: syz-executor.0 Not tainted 6.6.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:blk_mq_start_request+0x35e/0x570 block/blk-mq.c:1258 Code: 83 c4 34 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 27 01 00 00 41 89 1c 24 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 25 fe ff ff 0f 0b e9 e3 fc ff ff 0f 0b e9 0e fd ff ff 89 RSP: 0018:ffffc900035ef2f8 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 1ffff11021d5d9a2 RCX: 0000000000000018 RDX: 0000002700000000 RSI: ffff88810eaecc80 RDI: ffff88810c6e9c58 RBP: ffff88810eaecd14 R08: ffffffff88bfe0a7 R09: 1ffffffff117fc14 R10: dffffc0000000000 R11: fffffbfff117fc15 R12: ffff88810eaecc80 R13: dffffc0000000000 R14: ffff88810eaecda0 R15: 0000000000000000 FS: 00007f7ae730c6c0(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ae730bff8 CR3: 0000000172ee5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: null_queue_rq+0x2ca/0x5a0 drivers/block/null_blk/main.c:1727 __blk_mq_issue_directly block/blk-mq.c:2578 [inline] blk_mq_request_issue_directly+0x2f7/0x560 block/blk-mq.c:2663 blk_mq_plug_issue_direct+0x272/0x580 block/blk-mq.c:2684 blk_mq_flush_plug_list+0x1313/0x1580 block/blk-mq.c:2793 __blk_flush_plug+0x3f4/0x470 block/blk-core.c:1142 blk_finish_plug+0x4c/0x70 block/blk-core.c:1166 read_pages+0x514/0x640 mm/readahead.c:183 page_cache_ra_unbounded+0x541/0x650 mm/readahead.c:269 page_cache_sync_readahead include/linux/pagemap.h:1293 [inline] cramfs_blkdev_read fs/cramfs/inode.c:218 [inline] cramfs_read+0x361/0x790 fs/cramfs/inode.c:278 cramfs_read_super+0xb0/0x9b0 fs/cramfs/inode.c:522 cramfs_blkdev_fill_super+0x114/0x220 fs/cramfs/inode.c:622 get_tree_bdev+0x3b4/0x5b0 fs/super.c:1577 vfs_get_tree+0x7f/0x230 fs/super.c:1750 do_new_mount+0x1e5/0x940 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x232/0x2c0 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7ae667cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7ae730c0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7ae679bf80 RCX: 00007f7ae667cae9 RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 0000000020000000 RBP: 00007f7ae730c120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007f7ae679bf80 R15: 00007fffe25625c8 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W