ci starts bisection 2024-02-10 07:17:57.720274468 +0000 UTC m=+45622.388823013 bisecting cause commit starting from 445a555e0623387fa9b94e68e61681717e70200a building syzkaller on 7f07e9b0e2d1b715e875a446eea8399f9bb8a4b2 ensuring issue is reproducible on original commit 445a555e0623387fa9b94e68e61681717e70200a testing commit 445a555e0623387fa9b94e68e61681717e70200a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 82cb7e9ad511af162b7234b0bbca77c2a8b803dd10934697c6ac6b929e28cf94 all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 445a555e0623387fa9b94e68e61681717e70200a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 843e7661928ab736a508f42953350d1dda16ac0ce22b94acfd44dd2daa1269b5 all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3937 full=7985 leaves diff=2019 split chunks (needed=false): <2019> split chunk #0 of len 2019 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 445a555e0623387fa9b94e68e61681717e70200a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71f37fd6760617b4f8275f30a112697323db298aa47f7460f93010a9db84bef3 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 445a555e0623387fa9b94e68e61681717e70200a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 80bdb47aad4c947796d6198e802b024c2dae994fb3dffb3b4c883c15fb957745 all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 445a555e0623387fa9b94e68e61681717e70200a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6d9e28d5e5bc3bc3465e7d03d9ca7f850709284385e67137efc1050421ae5bc all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 445a555e0623387fa9b94e68e61681717e70200a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5f36fe32811767ebffc13b887391967b0ed6c2f5ffa9a6466bc7650f6ba0acb7 all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 445a555e0623387fa9b94e68e61681717e70200a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73e197c29478a786ef97c901095e276c756737629a636df911ac8843935afdec all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] the chunk can be dropped minimized to 404 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_HAS_CPU_PASID ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION ARCH_HAS_UBSAN 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 BCACHEFS_DEBUG BCACHEFS_FS BCACHEFS_QUOTA 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_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_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_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_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO 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 CLOSURES 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 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_CHACHA20 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_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW 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 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_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST 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_BOCHS DRM_BUDDY DRM_CIRRUS_QEMU 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_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 WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.7 v6.6 v6.5 v6.3 v6.1 v5.19 v5.17 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 30 release tags testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aa3d83f6d3d4c046887b299545ab192ad232c4b61d2dd5ca51ee9829ee81f7f3 all runs: OK false negative chance: 0.000 # git bisect start 445a555e0623387fa9b94e68e61681717e70200a 0dd3ee31125508cd67f7e7172247f05b7fd1753a Bisecting: 9935 revisions left to test after this (roughly 13 steps) [23a80d462c67406303df852d58b745b8618acc4a] Merge tag 'rcu.release.v6.8' of https://github.com/neeraju/linux testing commit 23a80d462c67406303df852d58b745b8618acc4a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a27fd3e66d28a6e425949f2b987262c6c0540d866718802054c63b9c8020629 all runs: OK false negative chance: 0.000 # git bisect good 23a80d462c67406303df852d58b745b8618acc4a Bisecting: 4960 revisions left to test after this (roughly 12 steps) [7723caab6dd1d67c0aa1f22d42f2711606f865e9] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux.git testing commit 7723caab6dd1d67c0aa1f22d42f2711606f865e9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df3cb158927016302fc8825c8f4c00d0d6c510182af4dbbb9146b3be7f9f6874 all runs: OK false negative chance: 0.000 # git bisect good 7723caab6dd1d67c0aa1f22d42f2711606f865e9 Bisecting: 2390 revisions left to test after this (roughly 11 steps) [27f5415087e2a55496d5f3ee42f6d439455d00ba] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git testing commit 27f5415087e2a55496d5f3ee42f6d439455d00ba gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a7b99cad500a5f1166bc0e2a4e36b83ef80046234830a11f06168b7de36da989 all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] # git bisect bad 27f5415087e2a55496d5f3ee42f6d439455d00ba Bisecting: 1292 revisions left to test after this (roughly 10 steps) [c993ae43b7714dc63ffecc79ec13498bb6f5c1e5] Merge branch 'docs-next' of git://git.lwn.net/linux.git testing commit c993ae43b7714dc63ffecc79ec13498bb6f5c1e5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dddc392df95627525312a25fa0272b8ee8566dc8df6783ccf50a7f356e72f9ed all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] # git bisect bad c993ae43b7714dc63ffecc79ec13498bb6f5c1e5 Bisecting: 667 revisions left to test after this (roughly 9 steps) [490adb68ded59bf409b34c2b29572e9bb40110e3] Merge branch 'for-next' of git://git.kernel.org/pub/scm/fs/fscrypt/linux.git testing commit 490adb68ded59bf409b34c2b29572e9bb40110e3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f8ab52f63e967f99e7fa308c8ccf3c82e9848c7e543321c95bef9f9b4806f06 all runs: OK false negative chance: 0.000 # git bisect good 490adb68ded59bf409b34c2b29572e9bb40110e3 Bisecting: 396 revisions left to test after this (roughly 8 steps) [4ecc6fd1701c96c4209c0d3cda2e6cb3095fb12e] Merge branch 'ericvh/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs.git testing commit 4ecc6fd1701c96c4209c0d3cda2e6cb3095fb12e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6bd0a9e338f71f7e3fb53e71c7b7ae63d2b43d721db5dd84f76ca0c5b941c3b all runs: OK false negative chance: 0.000 # git bisect good 4ecc6fd1701c96c4209c0d3cda2e6cb3095fb12e Bisecting: 167 revisions left to test after this (roughly 8 steps) [6e8d1c22376b04aa8ce26fe97751dab0906884f8] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git testing commit 6e8d1c22376b04aa8ce26fe97751dab0906884f8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7e1915e50da988ea410839ed938d38f2e1244bd888994e8be44e009a7fe77ecf all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] # git bisect bad 6e8d1c22376b04aa8ce26fe97751dab0906884f8 Bisecting: 110 revisions left to test after this (roughly 7 steps) [729679fd89760488b5db3479089c91fac5da9065] Merge branch 'vfs.file' into vfs.all testing commit 729679fd89760488b5db3479089c91fac5da9065 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 876fe271626187c4b208a4f92278bb70e185cd43039221634592e75276313f2b all runs: OK false negative chance: 0.000 # git bisect good 729679fd89760488b5db3479089c91fac5da9065 Bisecting: 56 revisions left to test after this (roughly 6 steps) [6c3a34e38436a2a3f7a1fa764c108ee19b05b893] Merge branch 'for-6.8' into for-next testing commit 6c3a34e38436a2a3f7a1fa764c108ee19b05b893 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef3fe1f14be135a34b7c55ad80283fac82e7705452b308882522402e3113e494 all runs: OK false negative chance: 0.000 # git bisect good 6c3a34e38436a2a3f7a1fa764c108ee19b05b893 Bisecting: 28 revisions left to test after this (roughly 5 steps) [d93d4ab7eecad388e4a50d1760dcc13f2718cd2e] ocfs2: port block device access to file testing commit d93d4ab7eecad388e4a50d1760dcc13f2718cd2e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 952c5008e085607f0b21420535f4624834dd64b6b60576e1c09616a8822237bc all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] # git bisect bad d93d4ab7eecad388e4a50d1760dcc13f2718cd2e Bisecting: 13 revisions left to test after this (roughly 4 steps) [3f9b8135a6ea4e0a1e43f0ea2e5f2eb389758bb5] xen: port block device access to file testing commit 3f9b8135a6ea4e0a1e43f0ea2e5f2eb389758bb5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5bd096223c9a31a29cfce865c097c6f33ce585c0524b03ec5d448a461bc95f78 all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] # git bisect bad 3f9b8135a6ea4e0a1e43f0ea2e5f2eb389758bb5 Bisecting: 6 revisions left to test after this (roughly 3 steps) [949f43dc711257c34ed3028c20339f8d58c019c7] md: port block device access to file testing commit 949f43dc711257c34ed3028c20339f8d58c019c7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a5ab349d5a2749c35617edaeec09be6255ca55594f1e62a43c9d72a3359085d all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] # git bisect bad 949f43dc711257c34ed3028c20339f8d58c019c7 Bisecting: 3 revisions left to test after this (roughly 2 steps) [0d19e760478b65463043d0e06d98f5264eb3d765] file: add alloc_file_pseudo_noaccount() testing commit 0d19e760478b65463043d0e06d98f5264eb3d765 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fa44af6c04d0fbc99e3b3952c90c7de288b766fcf0002a1bb0bc48db05b9c128 all runs: OK false negative chance: 0.000 # git bisect good 0d19e760478b65463043d0e06d98f5264eb3d765 Bisecting: 1 revision left to test after this (roughly 1 step) [9eeb563c5eff2d63ace07f62e6f5d773a565017d] block/ioctl: port blkdev_bszset() to file testing commit 9eeb563c5eff2d63ace07f62e6f5d773a565017d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a5cc83a86a0bbf3a67ebc524fae0664e83f36549a7af2b8a310032f8400136a all runs: OK false negative chance: 0.000 # git bisect good 9eeb563c5eff2d63ace07f62e6f5d773a565017d Bisecting: 0 revisions left to test after this (roughly 0 steps) [e6d7c6cd8e6aeb8b4add207d31dff240680ff573] block/genhd: port disk_scan_partitions() to file testing commit e6d7c6cd8e6aeb8b4add207d31dff240680ff573 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10ae132074ac2aa940c7ccdbc73bf334e93e9d66838b8e589f53f24d3b2b312c all runs: crashed: WARNING in bdev_file_open_by_dev representative crash: WARNING in bdev_file_open_by_dev, types: [WARNING] # git bisect bad e6d7c6cd8e6aeb8b4add207d31dff240680ff573 e6d7c6cd8e6aeb8b4add207d31dff240680ff573 is the first bad commit commit e6d7c6cd8e6aeb8b4add207d31dff240680ff573 Author: Christian Brauner Date: Tue Jan 23 14:26:20 2024 +0100 block/genhd: port disk_scan_partitions() to file This may run from a kernel thread via device_add_disk(). So this could also use __fput_sync() if we were worried about EBUSY. But when it is called from a kernel thread it's always BLK_OPEN_READ so EBUSY can't really happen even if we do BLK_OPEN_RESTRICT_WRITES or BLK_OPEN_EXCL. Otherwise it's called from an ioctl on the block device which is only called from userspace and can rely on task work. Link: https://lore.kernel.org/r/20240123-vfs-bdev-file-v2-3-adbd023e19cc@kernel.org Reviewed-by: Christoph Hellwig Reviewed-by: Jan Kara Signed-off-by: Christian Brauner block/genhd.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) accumulated error probability: 0.00 culprit signature: 10ae132074ac2aa940c7ccdbc73bf334e93e9d66838b8e589f53f24d3b2b312c parent signature: 4a5cc83a86a0bbf3a67ebc524fae0664e83f36549a7af2b8a310032f8400136a revisions tested: 23, total time: 8h13m34.309102057s (build: 4h48m50.479994548s, test: 3h4m29.740623935s) first bad commit: e6d7c6cd8e6aeb8b4add207d31dff240680ff573 block/genhd: port disk_scan_partitions() to file recipients (to): ["brauner@kernel.org" "hch@lst.de" "jack@suse.cz"] recipients (cc): [] crash: WARNING in bdev_file_open_by_dev ------------[ cut here ]------------ WARNING: CPU: 0 PID: 2380 at block/bdev.c:933 blk_to_file_flags block/bdev.c:933 [inline] WARNING: CPU: 0 PID: 2380 at block/bdev.c:933 bdev_file_open_by_dev+0x41/0x100 block/bdev.c:961 Modules linked in: CPU: 0 PID: 2380 Comm: syz-executor.0 Not tainted 6.8.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:blk_to_file_flags block/bdev.c:933 [inline] RIP: 0010:bdev_file_open_by_dev+0x41/0x100 block/bdev.c:961 Code: 76 08 4c 89 f3 e9 d1 00 00 00 89 d9 f7 d1 b8 02 00 00 00 f6 c1 03 74 15 b8 01 00 00 00 f6 c3 02 75 0b 31 c0 f6 c3 01 75 04 90 <0f> 0b 90 89 d9 83 e1 08 c1 e1 08 f6 c3 10 ba 03 00 00 00 0f 44 d0 RSP: 0018:ffffc900026afdd8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000010 RCX: 00000000ffffffef RDX: ffff888104b79b40 RSI: ffffffff83562881 RDI: ffff8881096fe800 RBP: 0000000000000000 R08: 00000003fffffffc R09: 0000000000000402 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000010 R13: 00000000ffffffea R14: ffff88810b38ae80 R15: 0000000000000000 FS: 00007f070b1856c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f070a5a80c0 CR3: 0000000102f70000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: disk_scan_partitions+0x84/0xc0 block/genhd.c:369 blkdev_common_ioctl+0xa80/0xca0 block/ioctl.c:560 blkdev_ioctl+0x229/0x2b0 block/ioctl.c:629 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0x6e/0xc0 fs/ioctl.c:857 do_syscall_64+0xe6/0x230 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f070a47dda9 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:00007f070b1850c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f070a5abf80 RCX: 00007f070a47dda9 RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003 RBP: 00007f070a4ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f070a5abf80 R15: 00007ffc19c0ce88