ci2 starts bisection 2025-05-15 05:59:43.534820635 +0000 UTC m=+18715.971575111
bisecting cause commit starting from 119009db267415049182774196e3cce9e13b52ef
building syzkaller on 2a20f901dbd7922a27b5625a8a442587c8c3df2c
ensuring issue is reproducible on original commit 119009db267415049182774196e3cce9e13b52ef

testing commit 119009db267415049182774196e3cce9e13b52ef gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 3ed1cfe015c1f3182d0d19cc5a36d6004a3ad7b813fd77fe7b88cd90f4d2e8eb
run #0: crashed: INFO: task hung in bdev_open
run #1: crashed: INFO: task hung in bdev_open
run #2: crashed: INFO: task hung in bdev_open
run #3: crashed: INFO: task hung in bdev_open
run #4: crashed: INFO: task hung in bdev_release
run #5: crashed: INFO: task hung in bdev_release
run #6: crashed: INFO: task hung in bdev_open
run #7: crashed: INFO: task hung in bdev_open
run #8: crashed: INFO: task hung in bdev_release
run #9: crashed: INFO: task hung in bdev_release
run #10: crashed: INFO: task hung in bdev_open
run #11: crashed: INFO: task hung in bdev_release
run #12: crashed: INFO: task hung in bdev_open
run #13: crashed: INFO: task hung in bdev_open
run #14: crashed: INFO: task hung in bdev_open
run #15: crashed: INFO: task hung in bdev_open
run #16: crashed: INFO: task hung in bdev_open
run #17: crashed: INFO: task hung in bdev_open
run #18: crashed: INFO: task hung in bdev_release
run #19: crashed: INFO: task hung in bdev_release
representative crash: INFO: task hung in bdev_open, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit 119009db267415049182774196e3cce9e13b52ef gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: bcf29a97a1ee6aae99170867c7b148505711c050f8f6eec8c1de869663ebe3d1
all runs: OK
false negative chance: 0.000
kconfig minimization: base=4080 full=8314 leaves diff=2135
split chunks (needed=false): <2135>
split chunk #0 of len 2135 into 5 parts
testing without sub-chunk 1/5
testing commit 119009db267415049182774196e3cce9e13b52ef gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: f837d42d3aeee677ef224e0d3b56cb9db70350b3a3408ec378a092efe9233b44
run #0: crashed: INFO: task hung in bdev_open
run #1: crashed: INFO: task hung in bdev_release
run #2: crashed: INFO: task hung in bdev_open
run #3: crashed: INFO: task hung in bdev_release
run #4: crashed: INFO: task hung in bdev_open
run #5: crashed: INFO: task hung in bdev_open
run #6: crashed: INFO: task hung in bdev_open
run #7: crashed: INFO: task hung in bdev_open
run #8: crashed: INFO: task hung in bdev_open
run #9: OK
representative crash: INFO: task hung in bdev_open, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit 119009db267415049182774196e3cce9e13b52ef gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
failed building 119009db267415049182774196e3cce9e13b52ef: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
testing without sub-chunk 3/5
testing commit 119009db267415049182774196e3cce9e13b52ef gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 5a81b51a5da78020a5a0cee531902f43caa92ae4803e7f5a88bf18fe2c005662
run #0: crashed: INFO: task hung in bdev_open
run #1: crashed: INFO: task hung in bdev_open
run #2: crashed: INFO: task hung in bdev_open
run #3: crashed: INFO: task hung in bdev_release
run #4: crashed: INFO: task hung in bdev_open
run #5: crashed: INFO: task hung in bdev_release
run #6: crashed: INFO: task hung in bdev_open
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in bdev_open, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit 119009db267415049182774196e3cce9e13b52ef gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 592365fdcb3c84ab2040e4e12d3bc5cebf2b5d8697a25115deba22deed638471
run #0: crashed: INFO: task hung in bdev_open
run #1: crashed: INFO: task hung in bdev_open
run #2: crashed: INFO: task hung in bdev_open
run #3: crashed: INFO: task hung in bdev_open
run #4: crashed: INFO: task hung in bdev_open
run #5: crashed: INFO: task hung in bdev_open
run #6: crashed: INFO: task hung in bdev_open
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in bdev_open, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
testing commit 119009db267415049182774196e3cce9e13b52ef gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: df10f0610b75f1855f886f83a49670faddad3640c42576f2e584afface478ba6
run #0: crashed: INFO: task hung in bdev_open
run #1: crashed: INFO: task hung in bdev_open
run #2: crashed: INFO: task hung in bdev_open
run #3: crashed: INFO: task hung in bdev_open
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in bdev_open, types: [HANG]
the chunk can be dropped
minimized to 427 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_CXUSB_ANALOG DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EVM_EXTRA_SMACK_XATTRS EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENDWARFKSYMS GENERIC_PHY GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GUEST_PERF_EVENTS GVE HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SIGMAMICRO HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST IO_URING_ZCRX IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR MAC802154 MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_VIPERBOARD MODVERSIONS MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV PAGE_POOL RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE]
picked [v6.14 v6.13 v6.12 v6.10 v6.8 v6.6 v6.4 v6.2 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 37 release tags
testing release v6.14
testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: e51fb34f3f3738e8fd97e7d751ed2d9f73d1bfc791454af68e23133f8284fb45
all runs: OK
false negative chance: 0.000
# git bisect start 119009db267415049182774196e3cce9e13b52ef 38fec10eb60d687e30c8c6b5420d86e8149f7557
Bisecting: 7204 revisions left to test after this (roughly 13 steps)
[4a4b30ea80d8cb5e8c4c62bb86201f4ea0d9b030] Merge tag 'bcachefs-2025-03-24' of git://evilpiepirate.org/bcachefs

testing commit 4a4b30ea80d8cb5e8c4c62bb86201f4ea0d9b030 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: cf7401c2c93c8074a95563a003dcc79b1a178c7600152fb652927adfbb2a1f46
all runs: OK
false negative chance: 0.000
# git bisect good 4a4b30ea80d8cb5e8c4c62bb86201f4ea0d9b030
Bisecting: 3609 revisions left to test after this (roughly 12 steps)
[b4c5c57c2d8d00c982b3620f8c95d5cd468e16e9] Merge tag 'locking-urgent-2025-03-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit b4c5c57c2d8d00c982b3620f8c95d5cd468e16e9 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 4e0d4c7dc1c135aa730e63779e8b93d6fd467e6590d2c2714cffdd406fe99bd8
all runs: OK
false negative chance: 0.000
# git bisect good b4c5c57c2d8d00c982b3620f8c95d5cd468e16e9
Bisecting: 1803 revisions left to test after this (roughly 11 steps)
[4b06c990c106d0341357175b229277a90da6583e] Merge tag 'vfs-6.15-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

testing commit 4b06c990c106d0341357175b229277a90da6583e gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: f6955a277b1bc5dded8901327f72b85dc0a663e8c004f334dc51762114fa2316
all runs: OK
false negative chance: 0.000
# git bisect good 4b06c990c106d0341357175b229277a90da6583e
Bisecting: 894 revisions left to test after this (roughly 10 steps)
[758e4c86a159bdd67a8ef60ea118ddb8b2043714] Merge tag 'drm-next-2025-04-05' of https://gitlab.freedesktop.org/drm/kernel

testing commit 758e4c86a159bdd67a8ef60ea118ddb8b2043714 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: b7b3edfdc2049534d75d0197e7f2c9e04e3f531fbe9eb163c9fbd52fb82acbd2
all runs: OK
false negative chance: 0.000
# git bisect good 758e4c86a159bdd67a8ef60ea118ddb8b2043714
Bisecting: 445 revisions left to test after this (roughly 9 steps)
[3748bef7b78bf2d3e2b595f6ca88947f954de77e] Merge tag 'drm-xe-fixes-2025-04-18' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

testing commit 3748bef7b78bf2d3e2b595f6ca88947f954de77e gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: a5f1730c330bf22c6a2f8ca3cddb56aec91d3d6368a845a9277708a380218d1a
run #0: ignore: lost connection to test machine
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
false negative chance: 0.000
# git bisect good 3748bef7b78bf2d3e2b595f6ca88947f954de77e
Bisecting: 188 revisions left to test after this (roughly 8 steps)
[b5c6891b2c5b54bf58069966296917da46cda6f2] Merge tag 'net-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

testing commit b5c6891b2c5b54bf58069966296917da46cda6f2 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: c7f62d2dfebfd729ab152f7a5f5c52a5bddb4b55b22ed4191877dd8a9611a467
all runs: OK
false negative chance: 0.000
# git bisect good b5c6891b2c5b54bf58069966296917da46cda6f2
Bisecting: 91 revisions left to test after this (roughly 7 steps)
[4b828867b3949d8e9dd698b906e2be5b7eaad4a5] Merge tag 'riscv-for-linus-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

testing commit 4b828867b3949d8e9dd698b906e2be5b7eaad4a5 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 10acdce1d20d761c7fbcd8c18d1c5df0eb11cb6c4ee707f1551bca5dd0b64a8c
all runs: OK
false negative chance: 0.000
# git bisect good 4b828867b3949d8e9dd698b906e2be5b7eaad4a5
Bisecting: 45 revisions left to test after this (roughly 6 steps)
[3088d26962e802efa3aa5188f88f82a957f50b22] Merge tag 'x86-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 3088d26962e802efa3aa5188f88f82a957f50b22 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 9104537123d23c60f0c49b74d9d37c58c817b41a9ad45f1480af881f981e121a
all runs: OK
false negative chance: 0.000
# git bisect good 3088d26962e802efa3aa5188f88f82a957f50b22
Bisecting: 23 revisions left to test after this (roughly 5 steps)
[0bd2f269ae892ce7283fee8fcfe2c6c971d871bc] Merge tag 'rust-fixes-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux

testing commit 0bd2f269ae892ce7283fee8fcfe2c6c971d871bc gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 79bee78ea72c701be2c6dff1ffc6dbb2c5c46ffdf0d5d486c9e4e0c22ad15e4b
all runs: OK
false negative chance: 0.000
# git bisect good 0bd2f269ae892ce7283fee8fcfe2c6c971d871bc
Bisecting: 12 revisions left to test after this (roughly 4 steps)
[fa6ad96dca040e169f4008637d8d77f22631b34d] Merge tag 'trace-v6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

testing commit fa6ad96dca040e169f4008637d8d77f22631b34d gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: a27348e1a46cac622f6c6573a848174932da9fc23b0f678578ba12a4186c0d18
all runs: OK
false negative chance: 0.000
# git bisect good fa6ad96dca040e169f4008637d8d77f22631b34d
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[58db1c3cd0ce857e7210b0a95908900c25c28c3e] netfs: Mark __nonstring lookup tables

testing commit 58db1c3cd0ce857e7210b0a95908900c25c28c3e gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 62ecceaaafd95e6a9743db54b94327737edd274d37ab69dbf7a65187f8349239
run #0: ignore: lost connection to test machine
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
false negative chance: 0.000
# git bisect good 58db1c3cd0ce857e7210b0a95908900c25c28c3e
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[24aaced72a686fb1dd8c3477987e1eaad76230a2] Merge tag 'i2c-host-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current

testing commit 24aaced72a686fb1dd8c3477987e1eaad76230a2 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 2b69643064c523805f47888da0c1d84aed817d764b5b05cc232f7df8b3b1c6e4
all runs: OK
false negative chance: 0.000
# git bisect good 24aaced72a686fb1dd8c3477987e1eaad76230a2
Bisecting: 1 revision left to test after this (roughly 1 step)
[408e4504f97c0aa510330f0a04b7ed028fdf3154] Revert "hfs{plus}: add deprecation warning"

testing commit 408e4504f97c0aa510330f0a04b7ed028fdf3154 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: 725cbbd3e9cda4e42b489e7bd89a2e0232d9a19a2c2dd15a53314fa32fd3c547
run #0: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BACB6B5AC.934F57F.F02EB31C'), backendError
run #1: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '95313685437527443') ForceSendFields:[] NullFields:[]}.
run #2: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '4483232953275363859') ForceSendFields:[] NullFields:[]}.
run #3: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '720147482979477991') ForceSendFields:[] NullFields:[]}.
run #4: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-1832747728787513667') ForceSendFields:[] NullFields:[]}.
run #5: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-8388074233163004614') ForceSendFields:[] NullFields:[]}.
run #6: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '5671129996221666997') ForceSendFields:[] NullFields:[]}.
run #7: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-357935657085793415') ForceSendFields:[] NullFields:[]}.
run #8: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '2321813033458446759') ForceSendFields:[] NullFields:[]}.
run #9: crashed: INFO: task hung in bdev_open
run #10: crashed: INFO: task hung in bdev_open
run #11: crashed: INFO: task hung in bdev_open
run #12: crashed: INFO: task hung in bdev_open
run #13: OK
run #14: crashed: INFO: task hung in bdev_open
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in bdev_open, types: [HANG]
# git bisect bad 408e4504f97c0aa510330f0a04b7ed028fdf3154
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[777d0961ff95b26d5887fdae69900374364976f3] fs: move the bdex_statx call to vfs_getattr_nosec

testing commit 777d0961ff95b26d5887fdae69900374364976f3 gcc
compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
kernel signature: ed6a4b639a8e2d32a31754f3b0776e33baa39941c1dcaab2268133a89a69884f
run #0: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE0EB728B.9F22.8527B3F8'), backendError
run #1: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE109F5EE.2F5EB5F.1912760B'), backendError
run #2: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE1287F00.6B5815D.FC15AA65'), backendError
run #3: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE156431F.8E94559.9D035838'), backendError
run #4: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE1658232.6B598F3.110961CE'), backendError
run #5: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE1934B30.24FD56D.2232C02D'), backendError
run #6: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE1A28B86.8E94AB2.3825A8AB'), backendError
run #7: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE1C113EE.8E9415B.3B25EA27'), backendError
run #8: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE1D05516.6B5BA82.76054D88'), backendError
run #9: infra problem: failed to create instance: googleapi: Error 503: Internal error. Please try again or contact Google Support. (Code: '6352BE1DF9886.8E94E67.1836F20A'), backendError
run #10: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-3850908889841210742') ForceSendFields:[] NullFields:[]}.
run #11: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '1861980091913728001') ForceSendFields:[] NullFields:[]}.
run #12: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-2892191029722851975') ForceSendFields:[] NullFields:[]}.
run #13: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-1294391696857437877') ForceSendFields:[] NullFields:[]}.
run #14: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-4909968023767530636') ForceSendFields:[] NullFields:[]}.
run #15: infra problem: create instance operation failed: &{Code:INTERNAL_ERROR ErrorDetails:[] Location: Message:Internal error. Please try again or contact Google Support. (Code: '-5903889986254564438') ForceSendFields:[] NullFields:[]}.
run #16: crashed: INFO: task hung in bdev_open
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in bdev_open, types: [HANG]
reproducer is flaky (0.40 repro chance estimate)
revisions tested: 21, total time: 6h42m37.505417867s (build: 2h34m49.060262704s, test: 3h49m32.761649102s)
error: unable to determine the verdict because of infra errors