ci starts bisection 2025-09-30 04:16:27.594719976 +0000 UTC m=+61648.527781489
bisecting cause commit starting from fb679c832b6497f19fffb8274c419783909c0912
building syzkaller on 807a3b61ca22f8988561c180eb47268ea6e244db
ensuring issue is reproducible on original commit fb679c832b6497f19fffb8274c419783909c0912

testing commit fb679c832b6497f19fffb8274c419783909c0912 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0d46e2076206e22442a08e62f3fef2bc97df8e32c533ead10a6b71ae1279a309
run #0: crashed: general protection fault in try_to_wake_up
run #1: crashed: general protection fault in try_to_wake_up
run #2: crashed: general protection fault in try_to_wake_up
run #3: crashed: general protection fault in try_to_wake_up
run #4: crashed: general protection fault in try_to_wake_up
run #5: crashed: KASAN: stack-out-of-bounds Read in requeue_pi_wake_futex
run #6: crashed: general protection fault in try_to_wake_up
run #7: crashed: general protection fault in try_to_wake_up
run #8: crashed: general protection fault in try_to_wake_up
run #9: crashed: general protection fault in try_to_wake_up
run #10: crashed: general protection fault in try_to_wake_up
run #11: crashed: general protection fault in try_to_wake_up
run #12: crashed: general protection fault in try_to_wake_up
run #13: crashed: general protection fault in try_to_wake_up
run #14: crashed: general protection fault in try_to_wake_up
run #15: crashed: general protection fault in try_to_wake_up
run #16: crashed: general protection fault in try_to_wake_up
run #17: crashed: general protection fault in try_to_wake_up
run #18: crashed: general protection fault in try_to_wake_up
run #19: crashed: general protection fault in try_to_wake_up
representative crash: general protection fault in try_to_wake_up, types: [DoS]
check whether we can drop unnecessary instrumentation
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit fb679c832b6497f19fffb8274c419783909c0912 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: d85fd8ebad5ca361644f1a2c42db08aa61f4b3a236c792a68c04ce2fd72791d5
all runs: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG]
the bug reproduces without the instrumentation
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], 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 [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit fb679c832b6497f19fffb8274c419783909c0912 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 37ef004156b750d6b21f5d38de07371fc84a3cc165a345072ffd6e3b27e5716c
run #0: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: spinlock bad magic in try_to_wake_up
run #4: crashed: BUG: spinlock bad magic in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #6: crashed: BUG: spinlock bad magic in try_to_wake_up
run #7: crashed: BUG: spinlock bad magic in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #9: crashed: BUG: spinlock bad magic in try_to_wake_up
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG LOCKDEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit fb679c832b6497f19fffb8274c419783909c0912 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 9fd20bcc8fec13ba3511bf118aaa1f7abb293061927fc1ef0e8668850613ee6b
run #0: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #8: OK
run #9: OK
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit fb679c832b6497f19fffb8274c419783909c0912 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: f3aa47400d06537c296cdf8e47a8093d1f41597e9be12c4a7f7618b8d1e60ee7
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #8: OK
run #9: OK
representative crash: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit fb679c832b6497f19fffb8274c419783909c0912 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7a940f40275d21efc07edec22a11023ac3a835956b50fbd0f20e5c2a632ba60e
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit fb679c832b6497f19fffb8274c419783909c0912 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c901cf365925172a0e8cdd9d4cc8363aa69d71bbfd2107d2df49b6e10f6ca303
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #9: OK
representative crash: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up, types: [NULL-POINTER-DEREFERENCE]
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 [atomic_sleep hang memleak ubsan bug_or_warning kasan locking], 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 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: a4f4d6ed83e190f2f97894fe938ceec92a8b2f01c47eb4403467d95778ec008d
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #3: crashed: invalid opcode in corrupted
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #6: crashed: invalid opcode in corrupted
run #7: OK
run #8: OK
run #9: OK
representative crash: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up, types: [NULL-POINTER-DEREFERENCE DoS]
testing release v6.15
testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 5f09a9fbffed73ce31b22ef6564a55f0940807ba217113a06340455555186dbf
run #0: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #9: OK
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG]
testing release v6.14
testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: e97d7eb3b2750afae3b8517825320d1de68efcf9323a13e3ee8c8c40a6a7b031
run #0: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: spinlock bad magic in try_to_wake_up
run #4: crashed: BUG: spinlock bad magic in try_to_wake_up
run #5: crashed: BUG: spinlock bad magic in try_to_wake_up
run #6: crashed: BUG: spinlock bad magic in try_to_wake_up
run #7: crashed: BUG: spinlock bad magic in try_to_wake_up
run #8: OK
run #9: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
representative crash: BUG: spinlock bad magic in try_to_wake_up, types: [LOCKDEP MEMORY_SAFETY_BUG]
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dc6ee30c9b25868e959610c4416d25b6634a41196b57d8d9935e238f8bf80bd3
run #0: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
representative crash: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up, types: [NULL-POINTER-DEREFERENCE MEMORY_SAFETY_BUG]
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 22fa0bbfa4a4610b2e5fc0ab15bfc751a991c63d268a24622c9a934830567ed7
all runs: OK
false negative chance: 0.000
# git bisect start adc218676eef25575469234709c2d87185ca223a 0c3836482481200ead7b416ca80c68a29cfdaabd
Bisecting: 14868 revisions left to test after this (roughly 14 steps)
[703896be3015db7f8fd8822b18909a5914209a70] Merge tag 'sound-6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

testing commit 703896be3015db7f8fd8822b18909a5914209a70 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6876ed3dcee42c1fe26cc5e2da7664e8244d2847b098d526a706bf2c73519099
all runs: OK
false negative chance: 0.000
# git bisect good 703896be3015db7f8fd8822b18909a5914209a70
Bisecting: 7452 revisions left to test after this (roughly 13 steps)
[726e2d0cf2bbc14e3bf38491cddda1a56fe18663] Merge tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping

testing commit 726e2d0cf2bbc14e3bf38491cddda1a56fe18663 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 65524f91698a3f9126350cc36cf3748b229227b677989fdf8bf584f5b527f050
all runs: OK
false negative chance: 0.000
# git bisect good 726e2d0cf2bbc14e3bf38491cddda1a56fe18663
Bisecting: 3724 revisions left to test after this (roughly 12 steps)
[4965ddb166992557a25848049f1a70e56050eb7a] Merge tag 'usb-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

testing commit 4965ddb166992557a25848049f1a70e56050eb7a gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: cd2a86ad3feacf81a13f1de524356e6f9567497e530b02e8be7251e0a59e46e2
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #9: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG NULL-POINTER-DEREFERENCE]
# git bisect bad 4965ddb166992557a25848049f1a70e56050eb7a
Bisecting: 1866 revisions left to test after this (roughly 11 steps)
[18ba6034468e7949a9e2c2cf28e2e123b4fe7a50] Merge tag 'nfsd-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

testing commit 18ba6034468e7949a9e2c2cf28e2e123b4fe7a50 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c661423d72db1f05897ab87401652f2af849b964c0ff7e48e97e6d52bc110c10
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #9: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG]
# git bisect bad 18ba6034468e7949a9e2c2cf28e2e123b4fe7a50
Bisecting: 946 revisions left to test after this (roughly 10 steps)
[1ec6d097897a35dfb55c4c31fc8633cf5be46497] Merge tag 's390-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

testing commit 1ec6d097897a35dfb55c4c31fc8633cf5be46497 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 938900ef43acb97066428aaeb83cb3a5e920e61ebd584ce0f7d9cded3fda1360
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #9: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG]
# git bisect bad 1ec6d097897a35dfb55c4c31fc8633cf5be46497
Bisecting: 497 revisions left to test after this (roughly 9 steps)
[684826f8271ad97580b138b9ffd462005e470b99] zram: free secondary algorithms names

testing commit 684826f8271ad97580b138b9ffd462005e470b99 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dc60efddf8a00e3a905b6d238ddd1a7a4f164e8c34ec2b6624c2aeb285377caf
all runs: OK
false negative chance: 0.000
# git bisect good 684826f8271ad97580b138b9ffd462005e470b99
Bisecting: 285 revisions left to test after this (roughly 8 steps)
[171754c3808214d4fd8843eab584599a429deb52] Merge tag 'vfs-6.12.blocksize' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs

testing commit 171754c3808214d4fd8843eab584599a429deb52 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 4caab8e17cf75c97497eb1d69ff8023ba0303010fba7e622bf4ff2b05ca61c9d
run #0: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #1: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #2: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #3: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
run #5: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #6: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #7: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #8: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up
representative crash: BUG: unable to handle kernel paging request in try_to_wake_up, types: [MEMORY_SAFETY_BUG]
# git bisect bad 171754c3808214d4fd8843eab584599a429deb52
Bisecting: 103 revisions left to test after this (roughly 7 steps)
[839c4f596f898edc424070dc8b517381572f8502] Merge tag 'mm-hotfixes-stable-2024-09-19-00-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit 839c4f596f898edc424070dc8b517381572f8502 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 89ce735d2ae354e3960bde3e1aa1f6f5ac5f9ed9f2732a819b857b4edcc2b592
all runs: OK
false negative chance: 0.000
# git bisect good 839c4f596f898edc424070dc8b517381572f8502
Bisecting: 51 revisions left to test after this (roughly 6 steps)
[bd9bbc96e8356886971317f57994247ca491dbf1] sched: Rework dl_server

testing commit bd9bbc96e8356886971317f57994247ca491dbf1 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ea857d9e9995c5ec4467719ab68cac6d82eb90a0205c0efae06662439ec8c02a
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in dequeue_task, types: [NULL-POINTER-DEREFERENCE UNKNOWN]
# git bisect bad bd9bbc96e8356886971317f57994247ca491dbf1
Bisecting: 25 revisions left to test after this (roughly 5 steps)
[863ccdbb918a77e3f011571f943020bf7f0b114b] sched: Allow sched_class::dequeue_task() to fail

testing commit 863ccdbb918a77e3f011571f943020bf7f0b114b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1b0a52f3a4758b82b373a3dc33c04211541ae217f3d096d357c0b1f83a7db35f
all runs: OK
false negative chance: 0.000
# git bisect good 863ccdbb918a77e3f011571f943020bf7f0b114b
Bisecting: 12 revisions left to test after this (roughly 4 steps)
[fc1892becd5672f52329a75c73117b60ac7841b7] sched/eevdf: Fixup PELT vs DELAYED_DEQUEUE

testing commit fc1892becd5672f52329a75c73117b60ac7841b7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7afa5a9de6d6e95a785cc6bb1e4276195d52d9a1bb799f6fa66c42ca81baa707
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in pick_task_fair
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #3: crashed: no output from test machine
run #4: crashed: no output from test machine
run #5: crashed: no output from test machine
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
representative crash: no output from test machine, types: [UNKNOWN NULL-POINTER-DEREFERENCE]
# git bisect bad fc1892becd5672f52329a75c73117b60ac7841b7
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[2e0199df252a536a03f4cb0810324dff523d1e79] sched/fair: Prepare exit/cleanup paths for delayed_dequeue

testing commit 2e0199df252a536a03f4cb0810324dff523d1e79 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 2e0199df252a536a03f4cb0810324dff523d1e79: kernel/sched/fair.c:12878:7: error: call to undeclared function 'static_branch_DELAY_ZERO'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
kernel/sched/fair.c:12878:7: error: use of undeclared identifier '__SCHED_FEAT_DELAY_ZERO'
# git bisect skip 2e0199df252a536a03f4cb0810324dff523d1e79
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[f12e148892ede8d9ee82bcd3e469e6d01fc077ac] sched/fair: Prepare pick_next_task() for delayed dequeue

testing commit f12e148892ede8d9ee82bcd3e469e6d01fc077ac gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building f12e148892ede8d9ee82bcd3e469e6d01fc077ac: kernel/sched/fair.c:12893:7: error: call to undeclared function 'static_branch_DELAY_ZERO'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
kernel/sched/fair.c:12893:7: error: use of undeclared identifier '__SCHED_FEAT_DELAY_ZERO'
# git bisect skip f12e148892ede8d9ee82bcd3e469e6d01fc077ac
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[e1459a50ba31831efdfc35278023d959e4ba775b] sched: Teach dequeue_task() about special task states

testing commit e1459a50ba31831efdfc35278023d959e4ba775b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building e1459a50ba31831efdfc35278023d959e4ba775b: kernel/sched/fair.c:12922:7: error: call to undeclared function 'static_branch_DELAY_ZERO'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
kernel/sched/fair.c:12922:7: error: use of undeclared identifier '__SCHED_FEAT_DELAY_ZERO'
# git bisect skip e1459a50ba31831efdfc35278023d959e4ba775b
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[781773e3b68031bd001c0c18aa72e8470c225ebd] sched/fair: Implement ENQUEUE_DELAYED

testing commit 781773e3b68031bd001c0c18aa72e8470c225ebd gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 781773e3b68031bd001c0c18aa72e8470c225ebd: kernel/sched/fair.c:12922:7: error: call to undeclared function 'static_branch_DELAY_ZERO'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
kernel/sched/fair.c:12922:7: error: use of undeclared identifier '__SCHED_FEAT_DELAY_ZERO'
# git bisect skip 781773e3b68031bd001c0c18aa72e8470c225ebd
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[abc158c82ae555078aa5dd2d8407c3df0f868904] sched: Prepare generic code for delayed dequeue

testing commit abc158c82ae555078aa5dd2d8407c3df0f868904 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7cdb2113ead8a35ba0ab0176aae65bcd5404f9ec0e19938e51b65531346b367a
all runs: OK
false negative chance: 0.000
# git bisect good abc158c82ae555078aa5dd2d8407c3df0f868904
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[a1c446611e31ca5363d4db51e398271da1dce0af] sched,freezer: Mark TASK_FROZEN special

testing commit a1c446611e31ca5363d4db51e398271da1dce0af gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building a1c446611e31ca5363d4db51e398271da1dce0af: kernel/sched/fair.c:12922:7: error: call to undeclared function 'static_branch_DELAY_ZERO'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
kernel/sched/fair.c:12922:7: error: use of undeclared identifier '__SCHED_FEAT_DELAY_ZERO'
# git bisect skip a1c446611e31ca5363d4db51e398271da1dce0af
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[e28b5f8bda01720b5ce8456b48cf4b963f9a80a1] sched/fair: Assert {set_next,put_prev}_entity() are properly balanced

testing commit e28b5f8bda01720b5ce8456b48cf4b963f9a80a1 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ab6d741bcff043336c1519009c2b1f6e1e94a372faa547577dfd8427cffc147a
all runs: OK
false negative chance: 0.000
# git bisect good e28b5f8bda01720b5ce8456b48cf4b963f9a80a1
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[152e11f6df293e816a6a37c69757033cdc72667d] sched/fair: Implement delayed dequeue

testing commit 152e11f6df293e816a6a37c69757033cdc72667d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 152e11f6df293e816a6a37c69757033cdc72667d: kernel/sched/fair.c:12977:7: error: call to undeclared function 'static_branch_DELAY_ZERO'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
kernel/sched/fair.c:12977:7: error: use of undeclared identifier '__SCHED_FEAT_DELAY_ZERO'; did you mean '__SCHED_FEAT_DELAY_DEQUEUE'?
# git bisect skip 152e11f6df293e816a6a37c69757033cdc72667d
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[54a58a78779169f9c92a51facf6de7ce94962328] sched/fair: Implement DELAY_ZERO

testing commit 54a58a78779169f9c92a51facf6de7ce94962328 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 6c550923bdce0fb389f69515ec3b00bfd94ee5b2c40615f2aceea3b3b0243777
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in dequeue_task
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
representative crash: BUG: unable to handle kernel NULL pointer dereference in dequeue_task, types: [NULL-POINTER-DEREFERENCE UNKNOWN]
# git bisect bad 54a58a78779169f9c92a51facf6de7ce94962328
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
781773e3b68031bd001c0c18aa72e8470c225ebd
a1c446611e31ca5363d4db51e398271da1dce0af
e1459a50ba31831efdfc35278023d959e4ba775b
f12e148892ede8d9ee82bcd3e469e6d01fc077ac
152e11f6df293e816a6a37c69757033cdc72667d
2e0199df252a536a03f4cb0810324dff523d1e79
54a58a78779169f9c92a51facf6de7ce94962328
We cannot bisect more!

accumulated error probability: 0.00
revisions tested: 26, total time: 8h40m17.771893421s (build: 4h42m19.230677695s, test: 3h24m59.954917816s)
bisection is inconclusive, the first bad commit could be any of:
781773e3b68031bd001c0c18aa72e8470c225ebd
a1c446611e31ca5363d4db51e398271da1dce0af
e1459a50ba31831efdfc35278023d959e4ba775b
f12e148892ede8d9ee82bcd3e469e6d01fc077ac
152e11f6df293e816a6a37c69757033cdc72667d
2e0199df252a536a03f4cb0810324dff523d1e79
54a58a78779169f9c92a51facf6de7ce94962328