ci starts bisection 2025-08-26 22:00:12.619089414 +0000 UTC m=+14330.937280315
bisecting cause commit starting from 8d245acc1e884e89f0808f64d6af3fc91d4903a0
building syzkaller on bf27483f963359281b2d9b6d6efd36289f82e282
ensuring issue is reproducible on original commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0

testing commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 6d76479891da7df6c640c2e7752c3b61e0cb18fb41e69b9cea2c67ef53ee5a7f
all runs: crashed: possible deadlock in smc_diag_dump_proto
representative crash: possible deadlock in smc_diag_dump_proto, types: [LOCKDEP]
check whether we can drop unnecessary instrumentation
disabling configs for [ubsan bug_or_warning kasan atomic_sleep hang memleak], they are not needed
testing commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: e6b59eb5bad1172848fb4bf2f5fc455f649ea2c599a804e3b634f8b340528d9c
all runs: crashed: possible deadlock in smc_diag_dump_proto
representative crash: possible deadlock in smc_diag_dump_proto, types: [LOCKDEP]
the bug reproduces without the instrumentation
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
kconfig minimization: base=4092 full=8349 leaves diff=2173
split chunks (needed=false): <2173>
split chunk #0 of len 2173 into 5 parts
testing without sub-chunk 1/5
disabling configs for [ubsan bug_or_warning kasan atomic_sleep hang memleak], they are not needed
testing commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: b99571273e9c7c80c665d593cbaf07c54b4eb0af60027c7cf5147d0bc6674a08
all runs: crashed: possible deadlock in smc_diag_dump_proto
representative crash: possible deadlock in smc_diag_dump_proto, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [bug_or_warning kasan atomic_sleep hang memleak ubsan], they are not needed
testing commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: d6a96838b97ba582cee3e2b247edff974b94eabb44da068b450805345dcab903
all runs: crashed: possible deadlock in smc_diag_dump_proto
representative crash: possible deadlock in smc_diag_dump_proto, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
testing commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: b2dc660ca661b92c7254d7f042077881ca8f8e97efbcd40a6f33cca684191976
all runs: crashed: possible deadlock in smc_diag_dump_proto
representative crash: possible deadlock in smc_diag_dump_proto, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
testing commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 29a6b0a1b27efdef3ba5461d10a5c5f18804b8f64def36f9bd2c6f0eacf4f194
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit 8d245acc1e884e89f0808f64d6af3fc91d4903a0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 08ac9111a48fdab6f1bfd776b4ff338379382a12b70d59852be46986d7d69e99
all runs: crashed: possible deadlock in smc_diag_dump_proto
representative crash: possible deadlock in smc_diag_dump_proto, types: [LOCKDEP]
the chunk can be dropped
minimized to 435 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_NINTENDO HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_SOCKET_IPV6 NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PREEMPT_RT PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCREEN_INFO SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ALC260 SND_HDA_CODEC_ALC262 SND_HDA_CODEC_ALC268 SND_HDA_CODEC_ALC269 SND_HDA_CODEC_ALC662 SND_HDA_CODEC_ALC680 SND_HDA_CODEC_ALC861 SND_HDA_CODEC_ALC861VD SND_HDA_CODEC_ALC880 SND_HDA_CODEC_ALC882 SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_CS420X SND_HDA_CODEC_CS421X SND_HDA_CODEC_HDMI SND_HDA_CODEC_HDMI_ATI SND_HDA_CODEC_HDMI_GENERIC SND_HDA_CODEC_HDMI_INTEL SND_HDA_CODEC_HDMI_NVIDIA SND_HDA_CODEC_HDMI_NVIDIA_MCP SND_HDA_CODEC_HDMI_SIMPLE SND_HDA_CODEC_HDMI_TEGRA SND_HDA_CODEC_REALTEK SND_HDA_CODEC_REALTEK_LIB SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_SCODEC_COMPONENT SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_ELD SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SOC SND_SOC_I2C_AND_SPI SND_SOC_SDCA_OPTIONAL SND_SUPPORT_OLD_API SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STEAM_FF STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SURFACE_AGGREGATOR SURFACE_AGGREGATOR_BUS SURFACE_AGGREGATOR_REGISTRY SURFACE_HID SURFACE_HID_CORE SURFACE_KBD SW_SYNC SYSFB SYSFS_SYSCALL SYSV68_PARTITION TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEE TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOOLS_SUPPORT_RELR TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRACEFS_AUTOMOUNT_DEPRECATED TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_GPIO_SBU TYPEC_MUX_INTEL_PMC TYPEC_MUX_NB7VPQ904M TYPEC_MUX_PTN36502 TYPEC_MUX_WCD939X_USBSS TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UCSI_CCG UCSI_STM32G0 UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS VIDEO_DEV VXLAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE]
disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: d7ffe1d0acd12e946c686e745ad5fdfac84ddb7ff2ccd70d9b8d7f40a2039c46
run #0: infra problem: failed to create instance: googleapi: Error 503: Authentication backend unavailable., backendError
run #1: crashed: possible deadlock in smc_diag_dump_proto
run #2: crashed: possible deadlock in smc_diag_dump_proto
run #3: crashed: possible deadlock in smc_diag_dump_proto
run #4: crashed: possible deadlock in smc_diag_dump_proto
run #5: crashed: possible deadlock in smc_diag_dump_proto
run #6: crashed: possible deadlock in smc_diag_dump_proto
run #7: crashed: possible deadlock in smc_diag_dump_proto
run #8: crashed: possible deadlock in smc_diag_dump_proto
run #9: crashed: possible deadlock in smc_diag_dump_proto
representative crash: possible deadlock in smc_diag_dump_proto, types: [LOCKDEP]
testing release v6.15
testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 0ff41df1cb268fc69e703a08a57ee14ae967d0ca: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
testing release v6.14
testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 38fec10eb60d687e30c8c6b5420d86e8149f7557: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building adc218676eef25575469234709c2d87185ca223a: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 0c3836482481200ead7b416ca80c68a29cfdaabd: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
testing release v6.8
testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building e8f897f4afef0031fe618a8e94127a0934896aba: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
testing release v6.6
testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building ffc253263a1375a65fa6c9f62a893e9767fbebfa: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 2636200561bdd2f914a9255d59c205c7f6f058605b514ca88a82cfc645bdd985
all runs: OK
false negative chance: 0.000
# git bisect start 038d61fd642278bab63ee8ef722c50d10ab01e8f 6995e2de6891c724bfeb2db33d7b87775f913ad1
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[89601f675b008ed0fd66c060fb23354a106436bb] Merge tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

testing commit 89601f675b008ed0fd66c060fb23354a106436bb gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 89601f675b008ed0fd66c060fb23354a106436bb: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 89601f675b008ed0fd66c060fb23354a106436bb
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[f6b8e86b7a65495d3947a1d1fc22183c52f786f6] Merge tag 'tty-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

testing commit f6b8e86b7a65495d3947a1d1fc22183c52f786f6 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building f6b8e86b7a65495d3947a1d1fc22183c52f786f6: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip f6b8e86b7a65495d3947a1d1fc22183c52f786f6
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[6082b6c328b5486da2b356eae94b8b83c98b5565] bpf: Recognize addr_space_cast instruction in the verifier.

testing commit 6082b6c328b5486da2b356eae94b8b83c98b5565 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 6082b6c328b5486da2b356eae94b8b83c98b5565: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 6082b6c328b5486da2b356eae94b8b83c98b5565
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[f3033eb79136dd27b17e7a192fac0155ceab5eb8] Merge tag 'leds-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

testing commit f3033eb79136dd27b17e7a192fac0155ceab5eb8 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building f3033eb79136dd27b17e7a192fac0155ceab5eb8: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip f3033eb79136dd27b17e7a192fac0155ceab5eb8
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[5122e380c23b3e08d79293569f6c067118f1fc1a] irqchip/riscv-aplic: Add ACPI support

testing commit 5122e380c23b3e08d79293569f6c067118f1fc1a gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 5122e380c23b3e08d79293569f6c067118f1fc1a: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 5122e380c23b3e08d79293569f6c067118f1fc1a
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[be81389c82e2c1ed0997629cb3d910f584666e33] Merge tag 'staging-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

testing commit be81389c82e2c1ed0997629cb3d910f584666e33 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building be81389c82e2c1ed0997629cb3d910f584666e33: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip be81389c82e2c1ed0997629cb3d910f584666e33
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[729288bc68560b4d5b094cb7a6f794c752ef22a2] kernel/sched: Fix util_est accounting for DELAY_DEQUEUE

testing commit 729288bc68560b4d5b094cb7a6f794c752ef22a2 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 729288bc68560b4d5b094cb7a6f794c752ef22a2: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 729288bc68560b4d5b094cb7a6f794c752ef22a2
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[7eae27cd12a2d305ffad41a8e10cff3bb8c0dcb0] Merge tag 'backlight-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

testing commit 7eae27cd12a2d305ffad41a8e10cff3bb8c0dcb0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 7eae27cd12a2d305ffad41a8e10cff3bb8c0dcb0: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 7eae27cd12a2d305ffad41a8e10cff3bb8c0dcb0
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[aaa56c8f378dd798f4a7f633cbf2eb129e98e6a4] riscv: Factor out page table TLB synchronization

testing commit aaa56c8f378dd798f4a7f633cbf2eb129e98e6a4 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building aaa56c8f378dd798f4a7f633cbf2eb129e98e6a4: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip aaa56c8f378dd798f4a7f633cbf2eb129e98e6a4
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[d90be6e4aaf23cd4a2c202891399cbafe669aaab] Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

testing commit d90be6e4aaf23cd4a2c202891399cbafe669aaab gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building d90be6e4aaf23cd4a2c202891399cbafe669aaab: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip d90be6e4aaf23cd4a2c202891399cbafe669aaab
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[01742a4052f71f601be8d1e27c0b43bc3df6a1f1] Staging: rtl8192e: Rename variable CurSTAExtChnlOffset

testing commit 01742a4052f71f601be8d1e27c0b43bc3df6a1f1 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 01742a4052f71f601be8d1e27c0b43bc3df6a1f1: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 01742a4052f71f601be8d1e27c0b43bc3df6a1f1
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[9370e43071ba157b73d717b3bfa0f6aa628148d7] Merge tag 'amd-drm-fixes-6.11-2024-08-14' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

testing commit 9370e43071ba157b73d717b3bfa0f6aa628148d7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 9370e43071ba157b73d717b3bfa0f6aa628148d7: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 9370e43071ba157b73d717b3bfa0f6aa628148d7
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[4cce9c6d4bde821c21f7bd75c26f1e98a00d3858] cxl: Fix use of phys_to_target_node() for x86

testing commit 4cce9c6d4bde821c21f7bd75c26f1e98a00d3858 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 4cce9c6d4bde821c21f7bd75c26f1e98a00d3858: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 4cce9c6d4bde821c21f7bd75c26f1e98a00d3858
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[6e50721426e48f63be53b4732bd08029633933d1] dt-bindings: pwm: amlogic: Add optional power-domains

testing commit 6e50721426e48f63be53b4732bd08029633933d1 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 6e50721426e48f63be53b4732bd08029633933d1: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 6e50721426e48f63be53b4732bd08029633933d1
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[6a28a072d90e4543b5e07a904e3a6afad0117e26] drm/amd/amdgpu: cleanup parse_cs callbacks

testing commit 6a28a072d90e4543b5e07a904e3a6afad0117e26 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 6a28a072d90e4543b5e07a904e3a6afad0117e26: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 6a28a072d90e4543b5e07a904e3a6afad0117e26
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[84c3a079ab98f729e9a968a201d9aa8d196195a1] riscv: remove unused header

testing commit 84c3a079ab98f729e9a968a201d9aa8d196195a1 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 84c3a079ab98f729e9a968a201d9aa8d196195a1: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 84c3a079ab98f729e9a968a201d9aa8d196195a1
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[b58652db66c910c2245f5bee7deca41c12d707b9] sched/deadline: Fix task_struct reference leak

testing commit b58652db66c910c2245f5bee7deca41c12d707b9 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building b58652db66c910c2245f5bee7deca41c12d707b9: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip b58652db66c910c2245f5bee7deca41c12d707b9
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[3de14369c2fcd11dbcb14fbec7bf740d6d78d80f] Documentation: gpio: Replace leading TABs by spaces in code blocks

testing commit 3de14369c2fcd11dbcb14fbec7bf740d6d78d80f gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 3de14369c2fcd11dbcb14fbec7bf740d6d78d80f: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 3de14369c2fcd11dbcb14fbec7bf740d6d78d80f
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[ef7025079a9de1ed06a049a0c69afe822d0b7fb0] dt-bindings: arm: qcom: Add ASUS Vivobook S 15

testing commit ef7025079a9de1ed06a049a0c69afe822d0b7fb0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building ef7025079a9de1ed06a049a0c69afe822d0b7fb0: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip ef7025079a9de1ed06a049a0c69afe822d0b7fb0
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[d10f19dff56eac5ae44dc270336b18071a8bd51c] io_uring/uring_cmd: switch to always allocating async data

testing commit d10f19dff56eac5ae44dc270336b18071a8bd51c gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building d10f19dff56eac5ae44dc270336b18071a8bd51c: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip d10f19dff56eac5ae44dc270336b18071a8bd51c
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[14c3ec67236b2d90c553d2575950369aa6fa43c5] RISC-V: pi: Force hidden visibility for all symbol references

testing commit 14c3ec67236b2d90c553d2575950369aa6fa43c5 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building 14c3ec67236b2d90c553d2575950369aa6fa43c5: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip 14c3ec67236b2d90c553d2575950369aa6fa43c5
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[f669aac34c5f76b58e6cad1fef0643e5ae16d413] Merge tag 'trace-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

testing commit f669aac34c5f76b58e6cad1fef0643e5ae16d413 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building f669aac34c5f76b58e6cad1fef0643e5ae16d413: ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip f669aac34c5f76b58e6cad1fef0643e5ae16d413
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[a85629f435a4e724c414a6ae3e2f327272ab11af] Merge tag 'mfd-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

testing commit a85629f435a4e724c414a6ae3e2f327272ab11af gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
failed building a85629f435a4e724c414a6ae3e2f327272ab11af: drivers/nvme/target/fc.c:151:2: warning: 'counted_by' should not be applied to an array with element of unknown size because 'struct nvmet_fc_fcp_iod' is a struct type with a flexible array member. This will be an error in a future compiler version [-Wbounds-safety-counted-by-elt-type-unknown-size]
ld.lld: error: undefined symbol: devm_drm_of_get_bridge
# git bisect skip a85629f435a4e724c414a6ae3e2f327272ab11af
Bisecting: 91080 revisions left to test after this (roughly 17 steps)
[9710b84e2a6afde2db20cd33435038eb75b91200] drm/amd/pm: add overdrive support on smu v14.0.2/3

revisions tested: 9, total time: 12h3m7.788278399s (build: 9h18m4.291326799s, test: 1h2m0.805919483s)
error: bisection is taking too long (>12h0m0s), aborting