ci starts bisection 2025-11-08 00:24:21.460197592 +0000 UTC m=+117515.761460488 bisecting fixing commit since 374a7f47bf401441edff0a64465e61326bf70a82 building syzkaller on 4df3089c378ffe870e094cb3088bcad17d16d02d ensuring issue is reproducible on original commit 374a7f47bf401441edff0a64465e61326bf70a82 testing commit 374a7f47bf401441edff0a64465e61326bf70a82 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 651ef9e7045c0edd28da13be747d686dd6ce25280759f8ab9b8fa9a37f034910 run #0: crashed: WARNING in btrfs_finish_one_ordered run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in btrfs_finish_one_ordered run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in btrfs_finish_one_ordered run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent run #10: crashed: WARNING in __btrfs_free_extent run #11: crashed: WARNING in __btrfs_free_extent run #12: crashed: WARNING in btrfs_finish_one_ordered run #13: crashed: WARNING in __btrfs_free_extent run #14: crashed: WARNING in __btrfs_free_extent run #15: crashed: WARNING in __btrfs_free_extent run #16: crashed: WARNING in __btrfs_free_extent run #17: crashed: WARNING in __btrfs_free_extent run #18: crashed: WARNING in btrfs_finish_one_ordered run #19: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in btrfs_finish_one_ordered, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 374a7f47bf401441edff0a64465e61326bf70a82 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dffc98770842ba730639be96b5430c0f3648200ed8947b59e59e327fcfa13226 run #0: crashed: WARNING in btrfs_finish_one_ordered run #1: crashed: WARNING in btrfs_finish_one_ordered run #2: crashed: WARNING in btrfs_finish_one_ordered run #3: crashed: WARNING in btrfs_finish_one_ordered run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in btrfs_run_delayed_refs run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in btrfs_finish_one_ordered run #9: crashed: WARNING in btrfs_finish_one_ordered representative crash: WARNING in btrfs_finish_one_ordered, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed kconfig minimization: base=4109 full=7643 leaves diff=2047 split chunks (needed=false): <2047> split chunk #0 of len 2047 into 5 parts testing without sub-chunk 1/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 374a7f47bf401441edff0a64465e61326bf70a82 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0b5f9597df59c89b97057b82153d513663b816c1b3b6ecf840ebdbe79af431e2 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 374a7f47bf401441edff0a64465e61326bf70a82 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae6e230c4c34485abcb5ab437db4d5d69d11123a98163685c22741a790a5d64d run #0: crashed: WARNING in btrfs_commit_transaction run #1: crashed: WARNING in btrfs_finish_one_ordered run #2: crashed: WARNING in btrfs_run_delayed_refs run #3: crashed: WARNING in btrfs_finish_one_ordered run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in btrfs_run_delayed_refs run #6: crashed: WARNING in btrfs_finish_one_ordered run #7: crashed: WARNING in btrfs_finish_one_ordered run #8: crashed: WARNING in btrfs_finish_one_ordered run #9: crashed: WARNING in btrfs_run_delayed_refs representative crash: WARNING in btrfs_commit_transaction, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit 374a7f47bf401441edff0a64465e61326bf70a82 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e879224a68cb04677cdf078e63340f52b6e620226147cff858888275ca7fd173 run #0: crashed: WARNING in btrfs_finish_one_ordered run #1: crashed: WARNING in btrfs_finish_one_ordered run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in btrfs_finish_one_ordered run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in btrfs_finish_one_ordered run #7: crashed: WARNING in btrfs_finish_one_ordered run #8: crashed: WARNING in btrfs_finish_one_ordered run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in btrfs_finish_one_ordered, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing commit 374a7f47bf401441edff0a64465e61326bf70a82 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9da26fabe5f786e8b18989465ab2e2dd5abce0da469cc0bcca6cbe35c0ba3d9a run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in btrfs_finish_one_ordered run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in btrfs_finish_one_ordered run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in btrfs_finish_one_ordered run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in btrfs_finish_one_ordered representative crash: WARNING in __btrfs_free_extent, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 374a7f47bf401441edff0a64465e61326bf70a82 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f950560ba344de703b416a204e34ae672492e6ef1d02c53dfac1ef769c5a5a83 run #0: crashed: WARNING in btrfs_finish_one_ordered run #1: crashed: WARNING in btrfs_finish_one_ordered run #2: crashed: WARNING in btrfs_finish_one_ordered run #3: crashed: WARNING in btrfs_finish_one_ordered run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in btrfs_finish_one_ordered run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in btrfs_finish_one_ordered run #9: crashed: WARNING in btrfs_finish_one_ordered representative crash: WARNING in btrfs_finish_one_ordered, types: [WARNING] the chunk can be dropped minimized to 410 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_PTE_DEVMAP ARCH_SUPPORTS_CFI_CLANG ARCH_USES_PG_UNCACHED ARCH_WANT_OPTIMIZE_VMEMMAP ASM_MODVERSIONS ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_AVX512 AS_GFNI AS_HAS_NON_CONST_LEB128 AS_SHA1_NI AS_SHA256_NI AS_TPAUSE 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 BASE_FULL 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_FD 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_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_PCI BLK_MQ_VIRTIO BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS 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_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CC_CAN_LINK_STATIC CC_HAS_ASM_GOTO_OUTPUT CC_HAS_ASM_GOTO_TIED_OUTPUT CC_HAS_SANE_STACKPROTECTOR 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 CLOCKSOURCE_VALIDATE_LAST_CYCLE 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 CPU_IBPB_ENTRY CPU_IBRS_ENTRY CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRASH_CORE CRC32_SLICEBY8 CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_CCITT 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_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C 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_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_BLAKE2S_GENERIC 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_MANAGER_DISABLE_TESTS CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_NULL CRYPTO_NULL2 CRYPTO_OFB 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_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 DEBUG_CREDENTIALS DEBUG_TIMEKEEPING 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 DMA_OPS 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 ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO 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 SPECULATION_MITIGATIONS 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 locking atomic_sleep hang memleak ubsan], they are not needed testing current HEAD e811c33b1f137be26a20444b79db8cbc1fca1c89 testing commit e811c33b1f137be26a20444b79db8cbc1fca1c89 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a3ff57f0dcf6610ad67b2274faf73822c9ae35cbcb96e985783ae9c597589529 all runs: OK false negative chance: 0.000 # git bisect start e811c33b1f137be26a20444b79db8cbc1fca1c89 374a7f47bf401441edff0a64465e61326bf70a82 Bisecting: 98433 revisions left to test after this (roughly 17 steps) [c903327d3295b135eb8c81ebe0b68c1837718eb8] Merge tag 'printk-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux determine whether the revision contains the guilty commit revision 374a7f47bf401441edff0a64465e61326bf70a82 crashed and is reachable testing commit c903327d3295b135eb8c81ebe0b68c1837718eb8 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3078303e55a7adde440a36e3486b2b23e359d895808921669da44c30cc5be0cb run #0: crashed: WARNING in btrfs_finish_one_ordered run #1: crashed: WARNING in btrfs_finish_one_ordered run #2: crashed: WARNING in btrfs_finish_one_ordered run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in btrfs_run_delayed_refs run #5: crashed: WARNING in btrfs_finish_one_ordered run #6: crashed: WARNING in btrfs_finish_one_ordered run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in btrfs_finish_one_ordered, types: [WARNING] # git bisect good c903327d3295b135eb8c81ebe0b68c1837718eb8 Bisecting: 49186 revisions left to test after this (roughly 16 steps) [802f0d58d52e8e34e08718479475ccdff0caffa0] Merge tag 'perf-tools-for-v6.15-2025-03-27' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools determine whether the revision contains the guilty commit revision 374a7f47bf401441edff0a64465e61326bf70a82 crashed and is reachable testing commit 802f0d58d52e8e34e08718479475ccdff0caffa0 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 09b72ec86d844f6c77e8a5d316a29b58b39dd55bb9975624ccaa377501387d70 run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in btrfs_run_delayed_refs run #2: crashed: WARNING in btrfs_finish_one_ordered run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in btrfs_finish_one_ordered run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in btrfs_run_delayed_refs run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good 802f0d58d52e8e34e08718479475ccdff0caffa0 Bisecting: 24613 revisions left to test after this (roughly 15 steps) [6f46e6fb4e267acf8741cb2c29d368b4de7b6c15] Merge tag 'linux_kselftest-kunit-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest determine whether the revision contains the guilty commit revision c903327d3295b135eb8c81ebe0b68c1837718eb8 crashed and is reachable testing commit 6f46e6fb4e267acf8741cb2c29d368b4de7b6c15 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 04fa004c153e7a562ef8e9b668e43ae096cc9f32fe6e6634ee69ca687e3284fc all runs: OK false negative chance: 0.000 # git bisect bad 6f46e6fb4e267acf8741cb2c29d368b4de7b6c15 Bisecting: 12140 revisions left to test after this (roughly 14 steps) [1b98f357dadd6ea613a435fbaef1a5dd7b35fd21] Merge tag 'net-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision 374a7f47bf401441edff0a64465e61326bf70a82 crashed and is reachable testing commit 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8973f6548c20d8d4aded82fa0e4457e652af4fbfb250ad5ae2258319cdbe8bec run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in btrfs_finish_one_ordered run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 Bisecting: 6063 revisions left to test after this (roughly 13 steps) [af477f4d5a6c183e2dd44f49dd9a7950bfa7bd50] Merge tag 'sound-fix-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 crashed and is reachable testing commit af477f4d5a6c183e2dd44f49dd9a7950bfa7bd50 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8a69ad3819135a40dbf50b0d83d94c1394b0fab71b56e5e0afe038a88b17bd97 run #0: crashed: WARNING in btrfs_run_delayed_refs run #1: crashed: WARNING in btrfs_run_delayed_refs run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in btrfs_run_delayed_refs run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in btrfs_run_delayed_refs, types: [WARNING] # git bisect good af477f4d5a6c183e2dd44f49dd9a7950bfa7bd50 Bisecting: 3003 revisions left to test after this (roughly 12 steps) [6e11664f148454a127dd89e8698c3e3e80e5f62f] Merge tag 'for-6.17/block-20250728' of git://git.kernel.dk/linux determine whether the revision contains the guilty commit revision 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 crashed and is reachable testing commit 6e11664f148454a127dd89e8698c3e3e80e5f62f gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc203029311a788ba98e9585f2b864590b7e895c6c46cc704836b4bd02b74e46 all runs: OK false negative chance: 0.000 # git bisect bad 6e11664f148454a127dd89e8698c3e3e80e5f62f Bisecting: 1552 revisions left to test after this (roughly 11 steps) [73d7cf07109e79b093d1a1fb57a88d4048cd9b4b] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision c903327d3295b135eb8c81ebe0b68c1837718eb8 crashed and is reachable testing commit 73d7cf07109e79b093d1a1fb57a88d4048cd9b4b gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fcc3334c3c852ccc523b47d188f2a4a4c6f30ca05d385a2144a5ce50ddef6395 run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in btrfs_finish_one_ordered run #8: crashed: WARNING in btrfs_finish_one_ordered run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good 73d7cf07109e79b093d1a1fb57a88d4048cd9b4b Bisecting: 776 revisions left to test after this (roughly 10 steps) [240fafaa4400f7c577a5e8e40c496663da0e0798] btrfs: make btrfs_check_nocow_lock() check more than one extent determine whether the revision contains the guilty commit revision af477f4d5a6c183e2dd44f49dd9a7950bfa7bd50 crashed and is reachable testing commit 240fafaa4400f7c577a5e8e40c496663da0e0798 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9dd8dd44cd90f3759cb47d5d30b2d17eed840c5d0b5aa3d000653e5de7314ff9 all runs: OK false negative chance: 0.000 # git bisect bad 240fafaa4400f7c577a5e8e40c496663da0e0798 Bisecting: 397 revisions left to test after this (roughly 9 steps) [f0afb7bd4374fdb30da8bf6cd74528bba131bd88] Merge tag 'sound-6.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 crashed and is reachable testing commit f0afb7bd4374fdb30da8bf6cd74528bba131bd88 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bd7a3aa80e33597c0db9d13f4dcee73af122c50492f82bb7ee64676a68e31bc1 run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in btrfs_finish_one_ordered run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in btrfs_finish_one_ordered run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good f0afb7bd4374fdb30da8bf6cd74528bba131bd88 Bisecting: 201 revisions left to test after this (roughly 8 steps) [07fa9cad54609df3eea00cd5b167df6088ce01a6] Merge tag 'x86-urgent-2025-07-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision c903327d3295b135eb8c81ebe0b68c1837718eb8 crashed and is reachable testing commit 07fa9cad54609df3eea00cd5b167df6088ce01a6 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7d49e617a0d1c32a9f61057aaf4d914cc545bdf6a7d5e4ff0eeb1be870ca1ec run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in btrfs_finish_one_ordered run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good 07fa9cad54609df3eea00cd5b167df6088ce01a6 Bisecting: 100 revisions left to test after this (roughly 7 steps) [0e26727a731adf0a67a5eff1ed74f74c420e7080] btrfs: switch all message helpers to be RCU safe determine whether the revision contains the guilty commit revision 73d7cf07109e79b093d1a1fb57a88d4048cd9b4b crashed and is reachable testing commit 0e26727a731adf0a67a5eff1ed74f74c420e7080 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1ca0f3842ee035940c1d8db69eabddc2e1ae7f342fc939599b9219c2ff5abf8 run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in btrfs_run_delayed_refs run #7: crashed: WARNING in btrfs_finish_one_ordered run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good 0e26727a731adf0a67a5eff1ed74f74c420e7080 Bisecting: 50 revisions left to test after this (roughly 6 steps) [afd1dacbd0964c7d36a9057c39c168fe7fbb5196] btrfs: replace nested usage of min & max with clamp in btrfs_compress_set_level() determine whether the revision contains the guilty commit revision 374a7f47bf401441edff0a64465e61326bf70a82 crashed and is reachable testing commit afd1dacbd0964c7d36a9057c39c168fe7fbb5196 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 334308a6492da41bf43eee9c0d91c9b22b6a099521c1141b500392e82e5c1a5e run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in btrfs_finish_one_ordered run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in btrfs_finish_one_ordered run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good afd1dacbd0964c7d36a9057c39c168fe7fbb5196 Bisecting: 25 revisions left to test after this (roughly 5 steps) [e41c75ca3189341e76e6af64b857c05b68a1d7db] btrfs: qgroup: set quota enabled bit if quota disable fails flushing reservations determine whether the revision contains the guilty commit revision f0afb7bd4374fdb30da8bf6cd74528bba131bd88 crashed and is reachable testing commit e41c75ca3189341e76e6af64b857c05b68a1d7db gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6083db3ca70a47297c59017ef1556299b69f2d122c4dbf633b85a4aa6de551b9 all runs: OK false negative chance: 0.000 # git bisect bad e41c75ca3189341e76e6af64b857c05b68a1d7db Bisecting: 12 revisions left to test after this (roughly 4 steps) [a5f0e0a4df6c37ab1d21035b05976ab1eeb8dc95] btrfs: pass dentry to btrfs_mksubvol() and btrfs_mksnapshot() determine whether the revision contains the guilty commit revision 0e26727a731adf0a67a5eff1ed74f74c420e7080 crashed and is reachable testing commit a5f0e0a4df6c37ab1d21035b05976ab1eeb8dc95 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c94cad6a1fa3e3a320b73f6c4b930a10cf221569de005d6a9ae2f68133766bc1 run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in btrfs_finish_one_ordered run #4: crashed: WARNING in __btrfs_free_extent run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good a5f0e0a4df6c37ab1d21035b05976ab1eeb8dc95 Bisecting: 6 revisions left to test after this (roughly 3 steps) [2936a6ac8d976f3c4de6fb5fbc00c5905c0cfec7] btrfs: add assertions to make super block creation more clear determine whether the revision contains the guilty commit revision 802f0d58d52e8e34e08718479475ccdff0caffa0 crashed and is reachable testing commit 2936a6ac8d976f3c4de6fb5fbc00c5905c0cfec7 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f4dc8afe009f812891bd8ea92d0420ee078d1ae52b20f5adc8bb0c1fd88a962 run #0: crashed: WARNING in btrfs_finish_one_ordered run #1: crashed: WARNING in __btrfs_free_extent run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in btrfs_finish_one_ordered run #4: crashed: WARNING in btrfs_run_delayed_refs run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in __btrfs_free_extent run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in btrfs_finish_one_ordered, types: [WARNING] # git bisect good 2936a6ac8d976f3c4de6fb5fbc00c5905c0cfec7 Bisecting: 3 revisions left to test after this (roughly 2 steps) [bddf57a70781ef8821d415200bdbcb71f443993a] btrfs: delay btrfs_open_devices() until super block is created determine whether the revision contains the guilty commit revision 0e26727a731adf0a67a5eff1ed74f74c420e7080 crashed and is reachable testing commit bddf57a70781ef8821d415200bdbcb71f443993a gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 999890c2d412caf0fc56678b309ccd5fc202328c10210cad0d2483dbb17ac77e run #0: crashed: WARNING in __btrfs_free_extent run #1: crashed: WARNING in btrfs_run_delayed_refs run #2: crashed: WARNING in __btrfs_free_extent run #3: crashed: WARNING in __btrfs_free_extent run #4: crashed: WARNING in btrfs_finish_one_ordered run #5: crashed: WARNING in __btrfs_free_extent run #6: crashed: WARNING in __btrfs_free_extent run #7: crashed: WARNING in __btrfs_free_extent run #8: crashed: WARNING in btrfs_finish_one_ordered run #9: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good bddf57a70781ef8821d415200bdbcb71f443993a Bisecting: 1 revision left to test after this (roughly 1 step) [08fa138864d54a2a93ad6fb1b681e7723ba26c9d] btrfs: use fs_holder_ops for all opened devices determine whether the revision contains the guilty commit revision bddf57a70781ef8821d415200bdbcb71f443993a crashed and is reachable testing commit 08fa138864d54a2a93ad6fb1b681e7723ba26c9d gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b19f86d247edc75855aca44fdada3bf21a719b3258d9b0f81733d80e4ab24ef7 all runs: crashed: WARNING in __btrfs_free_extent representative crash: WARNING in __btrfs_free_extent, types: [WARNING] # git bisect good 08fa138864d54a2a93ad6fb1b681e7723ba26c9d Bisecting: 0 revisions left to test after this (roughly 0 steps) [736bd9d2e35866a07f32d9884019e0431b0b50d8] btrfs: restrict writes to opened btrfs devices determine whether the revision contains the guilty commit revision af477f4d5a6c183e2dd44f49dd9a7950bfa7bd50 crashed and is reachable testing commit 736bd9d2e35866a07f32d9884019e0431b0b50d8 gcc compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69b497571a6dff89962b974a2ac166ba382cb9f8017cbd38361139538fd4736d all runs: OK false negative chance: 0.000 # git bisect bad 736bd9d2e35866a07f32d9884019e0431b0b50d8 736bd9d2e35866a07f32d9884019e0431b0b50d8 is the first bad commit commit 736bd9d2e35866a07f32d9884019e0431b0b50d8 Author: Qu Wenruo Date: Fri Jul 4 19:08:03 2025 +0930 btrfs: restrict writes to opened btrfs devices [FLAG EXCLUSION] Commit ead622674df5 ("btrfs: Do not restrict writes to btrfs devices") removes the BLK_OPEN_RESTRICT_WRITES flag when opening the devices during mount. This was an exception at the time as it depended on other patches. [REASON TO EXCLUDE THAT FLAG] Btrfs needs to call btrfs_scan_one_device() to determine the fsid, no matter if we're mounting a new fs or an existing one. But if a fs is already mounted and the BLK_OPEN_RESTRICT_WRITES is honored, meaning no other write open is allowed for the block device. Then we want to mount a subvolume of the mounted fs to another mount point, we will call btrfs_scan_one_device() again, but it will fail due to the BLK_OPEN_RESTRICT_WRITES flag (no more write open allowed), causing only one mount point for the fs. Thus at that time, we had to exclude the BLK_OPEN_RESTRICT_WRITES to allow multiple mount points for one fs. [WHY IT'S SAFE NOW] The root problem is, we do not need to nor should use BLK_OPEN_WRITE for btrfs_scan_one_device(). That function is only to read out the super block, no write at all, and BLK_OPEN_WRITE is only going to cause problems for such usage. The root problem has been fixed by patch "btrfs: always open the device read-only in btrfs_scan_one_device", so btrfs_scan_one_device() will always work no matter if the device is opened with BLK_OPEN_RESTRICT_WRITES. [ENHANCEMENT] Just remove the btrfs_open_mode(), as the only call site can be replaced with regular sb_open_mode(). Reviewed-by: Christian Brauner Signed-off-by: Qu Wenruo Signed-off-by: David Sterba fs/btrfs/super.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) accumulated error probability: 0.00 culprit signature: 69b497571a6dff89962b974a2ac166ba382cb9f8017cbd38361139538fd4736d parent signature: b19f86d247edc75855aca44fdada3bf21a719b3258d9b0f81733d80e4ab24ef7 revisions tested: 26, total time: 7h48m25.678378289s (build: 4h40m48.111045679s, test: 2h34m28.259304862s) first good commit: 736bd9d2e35866a07f32d9884019e0431b0b50d8 btrfs: restrict writes to opened btrfs devices recipients (to): ["brauner@kernel.org" "dsterba@suse.com" "wqu@suse.com"] recipients (cc): []