ci2 starts bisection 2026-08-17 16:39:26.794718575 +0000 UTC m=+21731.247192363 bisecting fixing commit since 5862221fddede6bb15566ab3c1f23a3c353da5e1 building syzkaller on f250db59430dfb0102692e53ab92e84e82178c3e ensuring issue is reproducible on original commit 5862221fddede6bb15566ab3c1f23a3c353da5e1 testing commit 5862221fddede6bb15566ab3c1f23a3c353da5e1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 52754400009725e1cec4aa598a0e3117bf162d84af46d94cc53b2bd0b28b7279 run #0: crashed: possible deadlock in ocfs2_xattr_remove run #1: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #2: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #3: crashed: possible deadlock in ocfs2_xattr_remove run #4: crashed: possible deadlock in ocfs2_xattr_remove run #5: crashed: possible deadlock in ocfs2_xattr_remove run #6: crashed: possible deadlock in ocfs2_xattr_remove run #7: crashed: possible deadlock in ocfs2_xattr_remove run #8: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #9: crashed: possible deadlock in ocfs2_xattr_remove run #10: crashed: possible deadlock in ocfs2_xattr_remove run #11: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #12: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #13: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #14: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #15: crashed: possible deadlock in ocfs2_xattr_remove run #16: crashed: possible deadlock in ocfs2_xattr_remove run #17: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #18: crashed: possible deadlock in ocfs2_xattr_remove run #19: crashed: possible deadlock in ocfs2_del_inode_from_orphan representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [bug_or_warning kasan atomic_sleep hang memleak ubsan], they are not needed testing commit 5862221fddede6bb15566ab3c1f23a3c353da5e1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 9f82786def94f40fb84ab6756f490e19dad16f28365b1b65d26974e98244f6ac run #0: crashed: possible deadlock in ocfs2_xattr_remove run #1: crashed: possible deadlock in ocfs2_xattr_remove run #2: crashed: possible deadlock in ocfs2_xattr_remove run #3: crashed: possible deadlock in ocfs2_xattr_remove run #4: crashed: possible deadlock in ocfs2_xattr_remove run #5: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #6: crashed: possible deadlock in ocfs2_xattr_remove run #7: crashed: possible deadlock in ocfs2_xattr_remove run #8: crashed: possible deadlock in ocfs2_xattr_remove run #9: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, 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=4167 full=8382 leaves diff=2101 split chunks (needed=false): <2101> split chunk #0 of len 2101 into 5 parts testing without sub-chunk 1/5 disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed testing commit 5862221fddede6bb15566ab3c1f23a3c353da5e1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 70d12c2e231d1cd9c29be26d714ed72579f0b63190f24b885e8e5cfec2ed7cef run #0: crashed: possible deadlock in ocfs2_xattr_remove run #1: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #2: crashed: possible deadlock in ocfs2_xattr_remove run #3: crashed: possible deadlock in ocfs2_xattr_remove run #4: crashed: possible deadlock in ocfs2_xattr_remove run #5: crashed: possible deadlock in ocfs2_xattr_remove run #6: crashed: possible deadlock in ocfs2_xattr_remove run #7: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #8: crashed: possible deadlock in ocfs2_del_inode_from_orphan run #9: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit 5862221fddede6bb15566ab3c1f23a3c353da5e1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: a7882f0afb026fe3a0a302edb42df19e91dc076e8cb2059230132d691b533a53 run #0: crashed: possible deadlock in ocfs2_xattr_remove run #1: crashed: possible deadlock in ocfs2_xattr_remove run #2: crashed: possible deadlock in ocfs2_xattr_remove run #3: crashed: possible deadlock in ocfs2_xattr_remove run #4: crashed: possible deadlock in ocfs2_xattr_remove run #5: crashed: possible deadlock in ocfs2_xattr_remove run #6: crashed: possible deadlock in ocfs2_xattr_remove run #7: crashed: possible deadlock in ocfs2_xattr_remove run #8: crashed: possible deadlock in ocfs2_xattr_remove run #9: crashed: possible deadlock in ocfs2_del_inode_from_orphan representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [bug_or_warning kasan atomic_sleep hang memleak ubsan], they are not needed testing commit 5862221fddede6bb15566ab3c1f23a3c353da5e1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 438da62d09dfdbb02d253a7936f28c474b3b194417cde9a7e4edb4e07ffc28d8 all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit 5862221fddede6bb15566ab3c1f23a3c353da5e1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 48720da118222f88ffdfdbcb145a01b7c217ede41d9ec80aff10a70325eacf5f 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 5862221fddede6bb15566ab3c1f23a3c353da5e1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 5ba84f443be79c44f571a8692fb121f4382645a3f486825397756d2244ccfb75 all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] the chunk can be dropped minimized to 421 configs; suspects: [AF_RXRPC ATM BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 DIBS DLM DMABUF_HEAPS DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB GUEST_PERF_EVENTS 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_SDR_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 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 OPTEE_STATIC_PROTMEM_POOL 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 PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCIE_BUS_DEFAULT PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERF_GUEST_MEDIATED_PMU PERSISTENT_KEYRINGS PHONET 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 POSIX_AUX_CLOCKS 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 PREFIX_SYMBOLS PROC_CHILDREN PROC_MEM_ALWAYS_FORCE 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 RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE 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_DEFAULT_COOKIE_HMAC_SHA256 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 SMBDIRECT 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_HDA 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_HDMI SND_HDA_CODEC_REALTEK 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_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_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_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 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 TEE_DMABUF_HEAPS 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 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_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS2_UDC USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS_SUPPORT USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed testing current HEAD 8d3ae59288f1e7d58d76558a6ee96d533bc5019f testing commit 8d3ae59288f1e7d58d76558a6ee96d533bc5019f gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 295dbca960b6db8d1a48704330a5faec6548448dfefe0ca57d81004c54e3ae41 all runs: OK false negative chance: 0.000 # git bisect start 8d3ae59288f1e7d58d76558a6ee96d533bc5019f 5862221fddede6bb15566ab3c1f23a3c353da5e1 Bisecting: 10254 revisions left to test after this (roughly 13 steps) [5b33fc6492a7b7a62359157db0f92f5b6e9af690] Merge tag 'sched_ext-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext determine whether the revision contains the guilty commit revision 5862221fddede6bb15566ab3c1f23a3c353da5e1 crashed and is reachable testing commit 5b33fc6492a7b7a62359157db0f92f5b6e9af690 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 7bfffb76e879a20c4efa50d17d1f41f35494b85a7477520cb7dae807f8741485 all runs: OK false negative chance: 0.000 # git bisect bad 5b33fc6492a7b7a62359157db0f92f5b6e9af690 Bisecting: 5193 revisions left to test after this (roughly 12 steps) [477c122f8c1d5d9f57c4f9c1f7a1631beaa38bcc] Merge tag 'dlm-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm determine whether the revision contains the guilty commit revision 5862221fddede6bb15566ab3c1f23a3c353da5e1 crashed and is reachable testing commit 477c122f8c1d5d9f57c4f9c1f7a1631beaa38bcc gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 089bfde9f1f4d66557a9f46be974042044b121dd1082564bf7adf058abf0e240 all runs: OK false negative chance: 0.000 # git bisect bad 477c122f8c1d5d9f57c4f9c1f7a1631beaa38bcc Bisecting: 2553 revisions left to test after this (roughly 11 steps) [0d05de70040a070373b046a1b49463be77ae715c] Merge branches 'pm-cpuidle', 'pm-opp' and 'pm-qos' determine whether the revision contains the guilty commit revision 5862221fddede6bb15566ab3c1f23a3c353da5e1 crashed and is reachable testing commit 0d05de70040a070373b046a1b49463be77ae715c gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: df8dbfba54fb5d2746c56c07bc8cd27009e597e244fe7b337ff77f9af6ec8c81 all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good 0d05de70040a070373b046a1b49463be77ae715c Bisecting: 1292 revisions left to test after this (roughly 10 steps) [0bcc2dc22f38e57fa97d8238b2e0bcdde5376f33] Merge tag 'perf-core-2026-06-14' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 5862221fddede6bb15566ab3c1f23a3c353da5e1 crashed and is reachable testing commit 0bcc2dc22f38e57fa97d8238b2e0bcdde5376f33 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 2f6fd9187e7332233ac102d00443318417acc1d7f42f21777723cfbb4d8c1306 all runs: OK false negative chance: 0.000 # git bisect bad 0bcc2dc22f38e57fa97d8238b2e0bcdde5376f33 Bisecting: 662 revisions left to test after this (roughly 9 steps) [b8b674748fa4b1a384aaa647811109fe9007c0a4] Merge tag 'rcu.release.v7.2' of gitolite.kernel.org:pub/scm/linux/kernel/git/rcu/linux determine whether the revision contains the guilty commit revision 5862221fddede6bb15566ab3c1f23a3c353da5e1 crashed and is reachable testing commit b8b674748fa4b1a384aaa647811109fe9007c0a4 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: edb0fa6a132eec7245e94b55fc7c8bc28c5faa1bb9166aa49cd8a7095ee943e4 all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good b8b674748fa4b1a384aaa647811109fe9007c0a4 Bisecting: 298 revisions left to test after this (roughly 8 steps) [36808d5e983985bbda87e01059cccc071fe3ec8d] Merge tag 'driver-core-7.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/driver-core/driver-core determine whether the revision contains the guilty commit revision b8b674748fa4b1a384aaa647811109fe9007c0a4 crashed and is reachable testing commit 36808d5e983985bbda87e01059cccc071fe3ec8d gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 4fa21746194954a93afaecce48aba24386167688d46f8e80c6935e7d6da8138e all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good 36808d5e983985bbda87e01059cccc071fe3ec8d Bisecting: 157 revisions left to test after this (roughly 7 steps) [a53fcff8fc7530f59a8171824ed586200df724a0] Merge tag 'timers-nohz-2026-06-13' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 0d05de70040a070373b046a1b49463be77ae715c crashed and is reachable testing commit a53fcff8fc7530f59a8171824ed586200df724a0 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 11c8886c37ae539129d678a77ce498d6b119a46e003431d77e0b5b2d32e8cefa all runs: OK false negative chance: 0.000 # git bisect bad a53fcff8fc7530f59a8171824ed586200df724a0 Bisecting: 79 revisions left to test after this (roughly 6 steps) [9e94480d81b9eb9bd175499636bf622e5d62176d] Merge tag 'smp-core-2026-06-13' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision b8b674748fa4b1a384aaa647811109fe9007c0a4 crashed and is reachable testing commit 9e94480d81b9eb9bd175499636bf622e5d62176d gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 8657fd8ae4fbc3fce7642dc9e762e9aae20b4a409b88ec2ea11eea33dffdf887 all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good 9e94480d81b9eb9bd175499636bf622e5d62176d Bisecting: 47 revisions left to test after this (roughly 5 steps) [87bd2ad568e15b90d5f7d4bcd70342d05dad649c] posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path determine whether the revision contains the guilty commit checking the merge base 254f49634ee16a731174d2ae34bc50bd5f45e731 no existing result, test the revision testing commit 254f49634ee16a731174d2ae34bc50bd5f45e731 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 486f7569cdafa70050b0256dcc64c6c6ce2b80ef998c0cb9752c875fc890cc56 all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] testing commit 87bd2ad568e15b90d5f7d4bcd70342d05dad649c gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 9af9292add9e2b307cca9729b35937230b611ad7ab83c009a98b9ff1a9b86ea6 all runs: OK false negative chance: 0.000 # git bisect bad 87bd2ad568e15b90d5f7d4bcd70342d05dad649c Bisecting: 15 revisions left to test after this (roughly 4 steps) [5a7dfbcbbdb683e6f704966e73c02f4ba8eb6014] timers/migration: Handle capacity in connect tracepoints determine whether the revision contains the guilty commit revision 254f49634ee16a731174d2ae34bc50bd5f45e731 crashed and is reachable testing commit 5a7dfbcbbdb683e6f704966e73c02f4ba8eb6014 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 0a24b69355c8723d6e623d19de21103461fc3c9a233951596f7e579176dc4fee all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good 5a7dfbcbbdb683e6f704966e73c02f4ba8eb6014 Bisecting: 7 revisions left to test after this (roughly 3 steps) [45a13ba52c82dbec9715222c51e629e85daa37d7] timers/migration: Update stale @online doc to @available determine whether the revision contains the guilty commit revision 254f49634ee16a731174d2ae34bc50bd5f45e731 crashed and is reachable testing commit 45a13ba52c82dbec9715222c51e629e85daa37d7 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: b14513430cf7f0d8af1df87d99af0368e8afdfe892b429d1355423e30179d7c3 all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good 45a13ba52c82dbec9715222c51e629e85daa37d7 Bisecting: 3 revisions left to test after this (roughly 2 steps) [d4f198c13611257f7f29d3c614721d0ac5d362f5] timers/migration: Deactivate per-capacity hierarchies under nohz_full determine whether the revision contains the guilty commit revision 45a13ba52c82dbec9715222c51e629e85daa37d7 crashed and is reachable testing commit d4f198c13611257f7f29d3c614721d0ac5d362f5 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: e5bdb9f528bf8905b4641c12ce27c6ffd877c4d93c9d57f117f9be04ca29073f all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good d4f198c13611257f7f29d3c614721d0ac5d362f5 Bisecting: 1 revision left to test after this (roughly 1 step) [bb0c250e8e1132723795c1046442ceb01a5ed1b1] timers/migration: Temporarily disable per capacity hierarchies determine whether the revision contains the guilty commit revision d4f198c13611257f7f29d3c614721d0ac5d362f5 crashed and is reachable testing commit bb0c250e8e1132723795c1046442ceb01a5ed1b1 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 3382380783188ae7aed84d8956e11a03c1e01499cd472078eaca2be9f6a9e74d all runs: crashed: possible deadlock in ocfs2_xattr_remove representative crash: possible deadlock in ocfs2_xattr_remove, types: [LOCKDEP] # git bisect good bb0c250e8e1132723795c1046442ceb01a5ed1b1 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f24df84cbe05e4471c04ac4b921fc0340bbc7752] time/jiffies: Register jiffies clocksource before usage determine whether the revision contains the guilty commit revision 5a7dfbcbbdb683e6f704966e73c02f4ba8eb6014 crashed and is reachable testing commit f24df84cbe05e4471c04ac4b921fc0340bbc7752 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: c2d1bb102ac6978bdb33903240951549a52b85761700def03b61ca46ab9aceab all runs: OK false negative chance: 0.000 # git bisect bad f24df84cbe05e4471c04ac4b921fc0340bbc7752 f24df84cbe05e4471c04ac4b921fc0340bbc7752 is the first bad commit commit f24df84cbe05e4471c04ac4b921fc0340bbc7752 Author: Thomas Gleixner Date: Tue Jun 9 17:14:45 2026 +0200 time/jiffies: Register jiffies clocksource before usage Teddy reported that a XEN HVM has a long boot delay, which was bisected to the recent enhancements to the negative motion detection. It turned out that the jiffies clocksource is used in early boot before it is registered, which leaves the max_delta_raw field at zero. That causes the read out to be clamped to the max delta of 0, which means time is not making progress. Cure it by ensuring that it is initialized before its first usage in timekeeping_init(). Fixes: 76031d9536a0 ("clocksource: Make negative motion detection more robust") Reported-by: Teddy Astie Signed-off-by: Thomas Gleixner Tested-by: Teddy Astie Cc: stable@vger.kernel.org Link: https://patch.msgid.link/87y0gn3fve.ffs@fw13 Closes: https://lore.kernel.org/all/1780914594.8631fc262581453bbf619ec5b2062170.19ea6c8227b000701b@vates.tech kernel/time/jiffies.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) accumulated error probability: 0.00 culprit signature: c2d1bb102ac6978bdb33903240951549a52b85761700def03b61ca46ab9aceab parent signature: 3382380783188ae7aed84d8956e11a03c1e01499cd472078eaca2be9f6a9e74d revisions tested: 23, total time: 6h40m28.242439335s (build: 2h14m58.193763291s, test: 3h10m21.713727787s) first good commit: f24df84cbe05e4471c04ac4b921fc0340bbc7752 time/jiffies: Register jiffies clocksource before usage recipients (to): ["teddy.astie@vates.tech" "tglx@kernel.org"] recipients (cc): []