ci starts bisection 2023-11-27 07:24:19.256551667 +0000 UTC m=+274028.372205490
bisecting cause commit starting from 8c9660f6515396aba78d1168d2e17951d653ebf2
building syzkaller on 5b429f39ae82dfd954322d3f42c830cf560f51d2
fetch other tags and check if the commit is present
ensuring issue is reproducible on original commit 8c9660f6515396aba78d1168d2e17951d653ebf2

testing commit 8c9660f6515396aba78d1168d2e17951d653ebf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 12c5e6ec040bcd65aff468c92cc9d1377b1d3db701cf8443d7007598e75e9a06
all runs: crashed: INFO: task hung in bdev_release
representative crash: INFO: task hung in bdev_release, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 8c9660f6515396aba78d1168d2e17951d653ebf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 440f4ba69b7c890323d72dcc1a88e7b439a2fa41a3628495fb6e55ba68a9acc3
all runs: crashed: INFO: task hung in bdev_release
representative crash: INFO: task hung in bdev_release, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=3923 full=7667 leaves diff=2008
split chunks (needed=false): <2008>
split chunk #0 of len 2008 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 8c9660f6515396aba78d1168d2e17951d653ebf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 534ae8cfb2e22f984fa0e3b4d436f8779b2935c2ddbbbc4a628a3a9e773fc392
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 8c9660f6515396aba78d1168d2e17951d653ebf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 18c9fdb02f5a8507c26f026a5a5cf9eb4599487dfc90da17a66eaf5b7469f537
all runs: crashed: INFO: task hung in bdev_release
representative crash: INFO: task hung in bdev_release, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 8c9660f6515396aba78d1168d2e17951d653ebf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0b721cd7087c8bffd3ed817aa8c40968218e990c17f741ffa39f8f5bb964346e
all runs: crashed: INFO: task hung in bdev_release
representative crash: INFO: task hung in bdev_release, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing commit 8c9660f6515396aba78d1168d2e17951d653ebf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 95049eae9da61b8de551968f9e9ec2f67eabfe06c2167ef1798f007643dca3bb
all runs: crashed: INFO: task hung in bdev_release
representative crash: INFO: task hung in bdev_release, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 8c9660f6515396aba78d1168d2e17951d653ebf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 265afb4bd67f15e74e57dc92012bf7fd6d99742c899a744390313e6b31132230
all runs: crashed: INFO: task hung in bdev_release
representative crash: INFO: task hung in bdev_release, types: [HANG]
the chunk can be dropped
minimized to 402 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 ACPI_THERMAL_LIB 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 BCACHEFS_DEBUG BCACHEFS_FS BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_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_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 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_CFB 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_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 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 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]
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
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: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4006c3b56e639fe13bee980b174468d680d5861435c7c7339898e71c4aab7638
all runs: crashed: INFO: task hung in blkdev_put
representative crash: INFO: task hung in blkdev_put, types: [HANG]
testing release v6.5
testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 46d962b1235f60969c9b2533f996157ffc866caef4ffbba2a563cd24a7db986f
all runs: crashed: INFO: task hung in blkdev_put
representative crash: INFO: task hung in blkdev_put, types: [HANG]
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 038dcf9df49052c4bee76faac562a392cbc09b2276fea69a61ca5070bb1c4aed
all runs: crashed: INFO: task hung in blkdev_put
representative crash: INFO: task hung in blkdev_put, types: [HANG]
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4fd7787af8e75b0020705e9c11b2bab5c7ad838e7a0caf92425ae2e5923892a5
all runs: crashed: INFO: task hung in blkdev_put
representative crash: INFO: task hung in blkdev_put, types: [HANG]
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 601b04d13e8c5a0a0812f42d9b11341a5c7540fee7d6abde32b076f7c3859ed6
all runs: crashed: INFO: task hung in blkdev_put
representative crash: INFO: task hung in blkdev_put, types: [HANG]
testing release v5.18
testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2fa9f63580bb0e07623ac980947becbbf94ac5528348fb858409914a582c005b
all runs: crashed: INFO: task hung in read_part_sector
representative crash: INFO: task hung in read_part_sector, types: [HANG]
testing release v5.16
testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c021d0f52b19a36ef300298bb0a5d18fae8a08a9bb34554b9af8e508aa8b82e3
all runs: crashed: INFO: task hung in read_part_sector
representative crash: INFO: task hung in read_part_sector, types: [HANG]
testing release v5.14
testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f8ee1e58ffb936f4ceba7b0355e0df7bb52309ea35e0799df1d9ba86ebb829e2
all runs: crashed: INFO: task hung in read_part_sector
representative crash: INFO: task hung in read_part_sector, types: [HANG]
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d621b6ab4748ae3ebaa96ca4ef7e614a93a5fcad9662a908678d7bd069874814
all runs: crashed: INFO: task hung in read_part_sector
representative crash: INFO: task hung in read_part_sector, types: [HANG]
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c gcc
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b619b0e5afda7a395837dbd50bf64d04e5df2526fda99a3ac63f203418a73dc9
all runs: crashed: INFO: task hung in read_part_sector
representative crash: INFO: task hung in read_part_sector, types: [HANG]
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bd971c36df5a7b2d0ad183192f41e03752157595eb60beae2efe90b0a7050925
all runs: crashed: INFO: task hung in read_dev_sector
representative crash: INFO: task hung in read_dev_sector, types: [HANG]
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c6c8057b46d8bb2e7221f5bcee9f863644233e9a3897484f5a17bfdfac0631cd
all runs: OK
false negative chance: 0.000
# git bisect start d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 0ecfebd2b52404ae0c54a878c872bb93363ada36
Bisecting: 23499 revisions left to test after this (roughly 15 steps)
[7e3d2c8210e67ebff472a0b371bb0efb4236ef52] Merge tag '5.4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

testing commit 7e3d2c8210e67ebff472a0b371bb0efb4236ef52 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 03344d8bc08f8a150fc14c4d2248af7ff1ba0b3c7607a1e92400bdfe621054b7
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 7e3d2c8210e67ebff472a0b371bb0efb4236ef52
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[7f9e88e6ef8c971f2c638b5ff7044c59b5d0f58d] net: socionext: Fix a signedness bug in ave_probe()

testing commit 7f9e88e6ef8c971f2c638b5ff7044c59b5d0f58d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 67cdd83d9cd00bff87fa05cbb4e207ebfdeb2b2e35ccdd86aa8e5377cc330073
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 7f9e88e6ef8c971f2c638b5ff7044c59b5d0f58d
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[b4742e6682d5809ddf4d0a63cb57e629e815ec63] MIPS: dts: mscc: describe the PTP ready interrupt

testing commit b4742e6682d5809ddf4d0a63cb57e629e815ec63 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9ee6ab2ac4c1e5028dda3e4ec507d5fb90b721b5d0616a1ad9a2890a99310879
all runs: boot failed: BUG: unable to handle kernel NULL pointer dereference in dma_direct_max_mapping_size
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip b4742e6682d5809ddf4d0a63cb57e629e815ec63
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[68a14a5634dacb37d18618d62f0410f1ec69ab28] clk: tegra: clk-super: Fix to enable PLLP branches to CPU

testing commit 68a14a5634dacb37d18618d62f0410f1ec69ab28 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 788dbf693650c0ea7c61e2f62bc935b89c5d81ac45f79bcf0557dfb33e4c1107
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 68a14a5634dacb37d18618d62f0410f1ec69ab28
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[931285e0123c4f380a9e2ff06434c8307b92b726] scsi: qedf: Add support for 20 Gbps speed

testing commit 931285e0123c4f380a9e2ff06434c8307b92b726 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9162600255e6cfabcdd3a573bc648294ec67b54624a361b49418e7000fbf1865
all runs: boot failed: BUG: unable to handle kernel NULL pointer dereference in dma_direct_max_mapping_size
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 931285e0123c4f380a9e2ff06434c8307b92b726
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[055e547478a11a6360c7ce05e2afc3e366968a12] drm/amd/display: memory leak

testing commit 055e547478a11a6360c7ce05e2afc3e366968a12 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e8b5c97e084e385a27584eb7dc73ac57514a77ab68c5cc6de3ed4636e045d395
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 055e547478a11a6360c7ce05e2afc3e366968a12
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[65643f4c8217edb1f40f7fb05f996c3a4798442a] nfsd: Make nfsd_reset_boot_verifier_locked static

testing commit 65643f4c8217edb1f40f7fb05f996c3a4798442a gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b28a65bdad987e2a0beecb59aa9d628892e118514c7dfac0cf0c30c78aa4744e
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 65643f4c8217edb1f40f7fb05f996c3a4798442a
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[55252ab72b774119afedfdc6d1f142ffa2a9b818] erofs: fix erofs_get_meta_page locking due to a cleanup

testing commit 55252ab72b774119afedfdc6d1f142ffa2a9b818 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e8b5c97e084e385a27584eb7dc73ac57514a77ab68c5cc6de3ed4636e045d395
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 55252ab72b774119afedfdc6d1f142ffa2a9b818
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[eb6a4dcce33925ac95023bbe5199474f8db40ba7] arm64: mm: Add ISB instruction to set_pgd()

testing commit eb6a4dcce33925ac95023bbe5199474f8db40ba7 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8ecfff114c158042a0a6c5df1820673c562e86bcbf7ccff9bb0b23e24248e8a6
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip eb6a4dcce33925ac95023bbe5199474f8db40ba7
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[0eb8745e03c9ed2a7412c7a844ebc4f0e4f80de4] net/tls: rename tls_hw_* functions tls_toe_*

testing commit 0eb8745e03c9ed2a7412c7a844ebc4f0e4f80de4 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1eb4a48e3143abeb3afcdf6d2ea3bdc10ce98b5b9577e20ddf6ed37cf09564c5
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 0eb8745e03c9ed2a7412c7a844ebc4f0e4f80de4
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[3e4c6948e78b495708a99c0599e50f0faffb2ade] kbuild: remove unneeded '+' marker from kselftest-merge

testing commit 3e4c6948e78b495708a99c0599e50f0faffb2ade gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1476358374e73821ba0509d26a49c654d4b040086da211f280961c754c32db20
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 3e4c6948e78b495708a99c0599e50f0faffb2ade
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[de3f186f87cf15bed8d13fedafb5bcad0167fc6d] checkpatch: check for nested (un)?likely() calls

testing commit de3f186f87cf15bed8d13fedafb5bcad0167fc6d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6e9f126d7854b57bdce74825117c1030edf1b5bd3b729baf119226bea5726a18
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip de3f186f87cf15bed8d13fedafb5bcad0167fc6d
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[d55d70894c6d4709b9ae61109a9fa7c319586b53] r8152: use alloc_pages for rx buffer

testing commit d55d70894c6d4709b9ae61109a9fa7c319586b53 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e1d5df87756561fdf66cac8392a0daffaecea67b2155028fa1092edf4cd98106
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip d55d70894c6d4709b9ae61109a9fa7c319586b53
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[4111cdef0e871c0f7c8874b19ee68a3671f7d63e] powerpc/nvdimm: Use HCALL error as the return value

testing commit 4111cdef0e871c0f7c8874b19ee68a3671f7d63e gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7859986166a35601a868d62694fc146fcc11cb69f1e378b23714f371476ace88
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 4111cdef0e871c0f7c8874b19ee68a3671f7d63e
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[8c1b6e69dcc1e11bd24111e3734dd740aaf3fda1] bpf: Compare BTF types of functions arguments with actual types

testing commit 8c1b6e69dcc1e11bd24111e3734dd740aaf3fda1 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3005d5f0efd0f4d89bd469d4ec678f089574b201b1f8b27d8d7b2d60fcb0e287
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 8c1b6e69dcc1e11bd24111e3734dd740aaf3fda1
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[3975b097e577bac77267ed8df0f525e3ad3499ec] *: convert stream-like files -> stream_open, even if they use noop_llseek

testing commit 3975b097e577bac77267ed8df0f525e3ad3499ec gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c6c8057b46d8bb2e7221f5bcee9f863644233e9a3897484f5a17bfdfac0631cd
all runs: OK
false negative chance: 0.000
# git bisect good 3975b097e577bac77267ed8df0f525e3ad3499ec
Bisecting: 23502 revisions left to test after this (roughly 15 steps)
[ec5385196779fb927e7d8d5bf31bef14d7ce98ed] Merge tag 'iommu-fixes-v5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

testing commit ec5385196779fb927e7d8d5bf31bef14d7ce98ed gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 15816f3904a9d6d91fca8f45fedd2df515993addf7866de36131592cc6caa559
all runs: crashed: INFO: task hung in read_dev_sector
representative crash: INFO: task hung in read_dev_sector, types: [HANG]
# git bisect bad ec5385196779fb927e7d8d5bf31bef14d7ce98ed
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[5b28692e0c4ffb7266d359f0d54155156cdfe0a2] btrfs: factor out sysfs code for sending device uevent

testing commit 5b28692e0c4ffb7266d359f0d54155156cdfe0a2 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c7ac741b1c975db3e4252bf60f7c85ac5cd0d2b6e67c16c34d8e552fddcf95e5
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 5b28692e0c4ffb7266d359f0d54155156cdfe0a2
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[4d96ba3530750fae3f3f01150adfecde96157815] mm: memcg/slab: stop setting page->mem_cgroup pointer for slab pages

testing commit 4d96ba3530750fae3f3f01150adfecde96157815 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 93e3f467021a8eac34e505eb94eecac5e35f9b8a116a3d03da2361f676eb8bf1
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 4d96ba3530750fae3f3f01150adfecde96157815
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[723d473537778f3f1bd9a91eb286aa5c349c8f0e] drm/amd/powerplay: add DPMCLOCKS table implementation

testing commit 723d473537778f3f1bd9a91eb286aa5c349c8f0e gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2838df6daabd6f0231e659a215daba251922fcaa7408f83c26313fb5246a0421
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 723d473537778f3f1bd9a91eb286aa5c349c8f0e
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[a16f6d3a150543ddb7d78ab5ee4ca2f301ef9c6b] igc: Prefer pcie_capability_read_word()

testing commit a16f6d3a150543ddb7d78ab5ee4ca2f301ef9c6b gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 84a472689f5000bca0dcc581b59c1a96eaaef10248c84769cb490ea6019029cb
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip a16f6d3a150543ddb7d78ab5ee4ca2f301ef9c6b
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[7f1f1683c1e27c280556766cfd2c219957cebe4f] iommu/amd: Introduce first_pte_l7() helper

testing commit 7f1f1683c1e27c280556766cfd2c219957cebe4f gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 41d99d98e8649e76e438cf13198c299c1dfea239782736140f5db4f4365a7f13
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 7f1f1683c1e27c280556766cfd2c219957cebe4f
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[f27c3a359e6ed0f220fa767f6c965d581e7a7c6d] ARM: imx_v6_v7_defconfig: Select the OV5645 camera driver

testing commit f27c3a359e6ed0f220fa767f6c965d581e7a7c6d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9ee6ab2ac4c1e5028dda3e4ec507d5fb90b721b5d0616a1ad9a2890a99310879
all runs: boot failed: BUG: unable to handle kernel NULL pointer dereference in dma_direct_max_mapping_size
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip f27c3a359e6ed0f220fa767f6c965d581e7a7c6d
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[1cdd229bec36212261f69702464913b5c2581d4d] drm/amd/amdgpu: hide voltage and power sensors on SI and KV parts

testing commit 1cdd229bec36212261f69702464913b5c2581d4d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2838df6daabd6f0231e659a215daba251922fcaa7408f83c26313fb5246a0421
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 1cdd229bec36212261f69702464913b5c2581d4d
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[ba7e4a08bbf7441664b3d140671db8d08ea15f22] iommu/arm-smmu: Add context init implementation hook

testing commit ba7e4a08bbf7441664b3d140671db8d08ea15f22 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9ee6ab2ac4c1e5028dda3e4ec507d5fb90b721b5d0616a1ad9a2890a99310879
all runs: boot failed: BUG: unable to handle kernel NULL pointer dereference in dma_direct_max_mapping_size
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip ba7e4a08bbf7441664b3d140671db8d08ea15f22
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[25f9955b15298c7b3c4fe0f28f469ddb5125e93b] drm/amd/display: build dcn21 blocks

testing commit 25f9955b15298c7b3c4fe0f28f469ddb5125e93b gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2838df6daabd6f0231e659a215daba251922fcaa7408f83c26313fb5246a0421
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 25f9955b15298c7b3c4fe0f28f469ddb5125e93b
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[3ec3d7a3ff10692d4f8a2baa0ff18fe10a9b6ad4] ALSA: firewire-lib: add AMDTP domain structure to handle several isoc contexts

testing commit 3ec3d7a3ff10692d4f8a2baa0ff18fe10a9b6ad4 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9ee6ab2ac4c1e5028dda3e4ec507d5fb90b721b5d0616a1ad9a2890a99310879
all runs: boot failed: BUG: unable to handle kernel NULL pointer dereference in dma_direct_max_mapping_size
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 3ec3d7a3ff10692d4f8a2baa0ff18fe10a9b6ad4
Bisecting: 15697 revisions left to test after this (roughly 14 steps)
[2e6422444894685a8a3135f7b982aa026dc0f74c] Documentation: PCI: convert PCIEBUS-HOWTO.txt to reST

testing commit 2e6422444894685a8a3135f7b982aa026dc0f74c gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0b6cf2b07f5c5fe6b9e35e0cdb4f32a402c3821a982809c565ff2d4b718e10cf
all runs: OK
false negative chance: 0.000
# git bisect good 2e6422444894685a8a3135f7b982aa026dc0f74c
Bisecting: 15695 revisions left to test after this (roughly 14 steps)
[0e62614b6c22928504cfd400b20b42b445cf35a6] mmc: sdhci: Convert to use sdio_irq_claimed()

testing commit 0e62614b6c22928504cfd400b20b42b445cf35a6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 693465c76c7316979b18707add7abf6ae80f52399a949e68c524eb6c1c2fbe16
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 0e62614b6c22928504cfd400b20b42b445cf35a6
Bisecting: 15695 revisions left to test after this (roughly 14 steps)
[5b68f22c3e1352f59b960ff5d69358f292c3b727] Merge tag 'clk-renesas-for-v5.3-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas

testing commit 5b68f22c3e1352f59b960ff5d69358f292c3b727 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0b6cf2b07f5c5fe6b9e35e0cdb4f32a402c3821a982809c565ff2d4b718e10cf
all runs: OK
false negative chance: 0.000
# git bisect good 5b68f22c3e1352f59b960ff5d69358f292c3b727
Bisecting: 15686 revisions left to test after this (roughly 14 steps)
[20c14ee135011f2a0fb2f987f05fd9655e804a9d] drm/amdgpu: Fix undefined dm_ip_block for navi12

testing commit 20c14ee135011f2a0fb2f987f05fd9655e804a9d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2838df6daabd6f0231e659a215daba251922fcaa7408f83c26313fb5246a0421
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 20c14ee135011f2a0fb2f987f05fd9655e804a9d
Bisecting: 15686 revisions left to test after this (roughly 14 steps)
[5bbfb64a177f36d3d208e39c61ce6df3968df4d4] drm/amdgpu: use 64bit operation macros for umc

testing commit 5bbfb64a177f36d3d208e39c61ce6df3968df4d4 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8fb035ea38d15745d05b8fd56847b01bcacf41597d29ef5eb731af494dcf5b05
all runs: OK
false negative chance: 0.000
# git bisect good 5bbfb64a177f36d3d208e39c61ce6df3968df4d4
Bisecting: 14586 revisions left to test after this (roughly 14 steps)
[a582b78dfc33d211ecaadda4cb5765b382d9d682] net: hns3: code optimization for debugfs related to "dump reg"

testing commit a582b78dfc33d211ecaadda4cb5765b382d9d682 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d141fab4fc61e4eb4ad1b15bd740656f84a95dce84ee87469d4705c5a1b48ec2
all runs: boot failed: can't ssh into the instance
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip a582b78dfc33d211ecaadda4cb5765b382d9d682
Bisecting: 14586 revisions left to test after this (roughly 14 steps)
[9e3a25dc992dd9f3170fb643bdd95da5ca9c5576] Merge tag 'dma-mapping-5.3' of git://git.infradead.org/users/hch/dma-mapping

revisions tested: 52, total time: 12h4m36.694029235s (build: 4h7m57.461653118s, test: 7h37m19.863666371s)
error: bisection is taking too long (>12h0m0s), aborting