ci2 starts bisection 2026-01-17 12:47:12.513849962 +0000 UTC m=+56619.695133294
bisecting fixing commit since cc5ec87693063acebb60f587e8a019ba9b94ae0e
building syzkaller on 807a3b61ca22f8988561c180eb47268ea6e244db
ensuring issue is reproducible on original commit cc5ec87693063acebb60f587e8a019ba9b94ae0e

testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 64e5ca936fe1c15da6f1421ef5bc889a2010fe53abfe1d99588ca5d895520975
all runs: crashed: INFO: task hung in gfs2_make_fs_ro
representative crash: INFO: task hung in gfs2_make_fs_ro, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed
testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 4e2cfedf6f504beef5b093046c0b517dd42efa810ea66e0a3aaa8708d4e9d36c
all runs: crashed: INFO: task hung in gfs2_make_fs_ro
representative crash: INFO: task hung in gfs2_make_fs_ro, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
kconfig minimization: base=3707 full=7423 leaves diff=2099
split chunks (needed=false): <2099>
split chunk #0 of len 2099 into 5 parts
testing without sub-chunk 1/5
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed
testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: b49eeb5a88cd488ed4327635a7d5498d0add0083f2cc56fdba837489e0b3540d
all runs: crashed: INFO: task hung in gfs2_make_fs_ro
representative crash: INFO: task hung in gfs2_make_fs_ro, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed
testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: f7ab9041e0f4c700588f4fa6171f2f9d7229475bbb4543a54b807e1faf5c8ae1
all runs: OK
false negative chance: 0.000
testing without sub-chunk 3/5
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed
testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 0c36086f6d33b065d9dc2aed2f1ad3e9d92f25e6784fcfca8fe490827a0f4e29
all runs: crashed: INFO: task hung in gfs2_make_fs_ro
representative crash: INFO: task hung in gfs2_make_fs_ro, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 83be1e1c307ca09571e55b11fce5f413ae0517f7e41c1460e638df19bd35905f
all runs: crashed: INFO: task hung in gfs2_make_fs_ro
representative crash: INFO: task hung in gfs2_make_fs_ro, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit cc5ec87693063acebb60f587e8a019ba9b94ae0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: aa35cf4fbc820a4d347d66c15a957cbdf955784d9fd511460b6a064560cbdfae
all runs: crashed: INFO: task hung in gfs2_make_fs_ro
representative crash: INFO: task hung in gfs2_make_fs_ro, types: [HANG]
the chunk can be dropped
minimized to 420 configs; suspects: [6LOWPAN ACPI_WMI ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI BLK_DEV_ZONED CHARGER_BQ24190 CMA DAX DAX_DRIVER DEFAULT_PFIFO_FAST DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DEV_PAGEMAP_OPS DIMLIB DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_BOCHS DRM_BRIDGE DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DP_AUX_CHARDEV DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VMWGFX DRM_VMWGFX_FBCON DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_CXUSB_ANALOG DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_USBC_TUSB320 F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_BOOT_VESA_SUPPORT FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CMDLINE FB_DEFERRED_IO FB_NOTIFY FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_EVENTFD HAVE_KVM_IRQCHIP HAVE_KVM_IRQFD HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PM_NOTIFIER HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_DRAGONRISE HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2221 HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SPEEDLINK HID_STEAM HID_STEELSERIES HID_THINGM HID_TIVO HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHT_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTERVAL_TREE IOMMU_SVA_LIB IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE MAC802154 MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_VIPERBOARD MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NET_SCH_DEFAULT NFT_FWD_NETDEV NF_TABLES NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND STAGING TCG_TPM TRANSPARENT_HUGEPAGE TRUSTED_KEYS TYPEC TYPEC_MUX_PI3USB30532 USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIDEO_V4L2 VIRTIO_FS WAN ZONE_DEVICE]
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
determining the merge base between cc5ec87693063acebb60f587e8a019ba9b94ae0e and d3eeb99bbc99cc5eb94a4a75ed4415a0272254ef
8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 0b9caa9e6ef2ba36a83c0ae8005b2269bb5ed6ea7d97c19892ee2df87d450745
all runs: crashed: INFO: task hung in gfs2_make_fs_ro
representative crash: INFO: task hung in gfs2_make_fs_ro, types: [HANG]
testing current HEAD d3eeb99bbc99cc5eb94a4a75ed4415a0272254ef
testing commit d3eeb99bbc99cc5eb94a4a75ed4415a0272254ef gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 9c08e08d650cce0ec64282ec4eadc02a320be820c9eedea0b6058d6bc51c908e
all runs: OK
false negative chance: 0.000
# git bisect start d3eeb99bbc99cc5eb94a4a75ed4415a0272254ef 8bb7eca972ad531c9b149c0a51ab43a417385813
Bisecting: 184210 revisions left to test after this (roughly 18 steps)
[bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5] Merge tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 20a92eda170bd963850640ce41c1c87e72a2f50ba54504b1191774551b30c75b
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: crashed: BUG: spinlock recursion in lockref_get
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
# git bisect good bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5
Bisecting: 92050 revisions left to test after this (roughly 17 steps)
[b50ecc5aca4d18f1f0c4942f5c797bc85edef144] Merge tag 'perf-tools-for-v6.13-2024-11-24' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit b50ecc5aca4d18f1f0c4942f5c797bc85edef144 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: fd6f0606c3ec953ffc8b2327ac558bd4599cdcaf3a7873716398efa1bd15afae
all runs: OK
false negative chance: 0.000
# git bisect bad b50ecc5aca4d18f1f0c4942f5c797bc85edef144
Bisecting: 46082 revisions left to test after this (roughly 16 steps)
[ea5f6ad9ad9645733b72ab53a98e719b460d36a6] Merge tag 'platform-drivers-x86-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit ea5f6ad9ad9645733b72ab53a98e719b460d36a6 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: e060271f30745fd9c4617d419b69809af7daa6ac12518015a49e91fbb1d95599
all runs: OK
false negative chance: 0.000
# git bisect bad ea5f6ad9ad9645733b72ab53a98e719b460d36a6
Bisecting: 23044 revisions left to test after this (roughly 15 steps)
[d6eb77731c45caf6ee7b18d907e9bc44be760e8c] Merge drm/drm-next into drm-misc-next

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit d6eb77731c45caf6ee7b18d907e9bc44be760e8c gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: ed5ed0e4185c53539b2d27bfafcf3a60dff5a65790877c441ad4e80d3888e31c
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip d6eb77731c45caf6ee7b18d907e9bc44be760e8c
Bisecting: 23037 revisions left to test after this (roughly 15 steps)
[56b30ac84c517eefcfd5384339fee5d8a675f811] drm/amdgpu: Skip access PF-only registers on gfx10/gfxhub2_1 under SRIOV

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 56b30ac84c517eefcfd5384339fee5d8a675f811 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: f9c67a8133ffdbed3318fe7f9f9b893de6cafd0eec9cfa13126251640cac3ed8
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 56b30ac84c517eefcfd5384339fee5d8a675f811
Bisecting: 23037 revisions left to test after this (roughly 15 steps)
[aa99aad798a8bc6d35ada2af1dc38f75d364e1ce] arm64: head: Clear BSS and the kernel page tables in one go

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit aa99aad798a8bc6d35ada2af1dc38f75d364e1ce gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: caeb20086b27c15c2cb062692e09a7cd72c6aece53f1854367775234e5521230
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip aa99aad798a8bc6d35ada2af1dc38f75d364e1ce
Bisecting: 23037 revisions left to test after this (roughly 15 steps)
[22f5dc781574b0f7ce7b491165dcf14bd6151a51] wifi: mt76: mt7996: align the format of fixed rate command

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 22f5dc781574b0f7ce7b491165dcf14bd6151a51 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 2a57c21636a201b4bfbf30168f130a44e25c3ba76c655b92f23035fd317dfa14
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 22f5dc781574b0f7ce7b491165dcf14bd6151a51
Bisecting: 23037 revisions left to test after this (roughly 15 steps)
[6e2cf0eb6926a5c51bba0aca819e91d7265c849c] net: fill in MODULE_DESCRIPTION()s for af_key

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 6e2cf0eb6926a5c51bba0aca819e91d7265c849c gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 87d869cf712fa964e49b39281b0e4599e83943e7eea4408485186439f8fbb75e
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: crashed: BUG: spinlock recursion in lockref_get
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
# git bisect good 6e2cf0eb6926a5c51bba0aca819e91d7265c849c
Bisecting: 12752 revisions left to test after this (roughly 14 steps)
[90a498f294c2766f05ba72dbc0ecafb2af521a4c] Merge tag 'phy-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

determine whether the revision contains the guilty commit
revision aa99aad798a8bc6d35ada2af1dc38f75d364e1ce crashed and is reachable
testing commit 90a498f294c2766f05ba72dbc0ecafb2af521a4c gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 7d934b81967b9965a10aeb4f4041c1e822399062d8c40b56bd6b0168a5817626
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 90a498f294c2766f05ba72dbc0ecafb2af521a4c
Bisecting: 12752 revisions left to test after this (roughly 14 steps)
[439fbc97502ae16f3e54e05d266d103674cc4f06] spi: cs42l43: Add bridged cs35l56 amplifiers

determine whether the revision contains the guilty commit
revision aa99aad798a8bc6d35ada2af1dc38f75d364e1ce crashed and is reachable
testing commit 439fbc97502ae16f3e54e05d266d103674cc4f06 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 3684cbb264544a05b4a2ca8213a0d5900b261b3f139ffca9d51007bb00be11fd
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: crashed: BUG: spinlock recursion in lockref_get
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
# git bisect good 439fbc97502ae16f3e54e05d266d103674cc4f06
Bisecting: 5166 revisions left to test after this (roughly 12 steps)
[b850dc206a57ae272c639e31ac202ec0c2f46960] Merge tag 'firewire-updates-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

determine whether the revision contains the guilty commit
revision 56b30ac84c517eefcfd5384339fee5d8a675f811 crashed and is reachable
testing commit b850dc206a57ae272c639e31ac202ec0c2f46960 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 99120fb19e861c2e67cbc9bf9f206fab11fbc41dab209a3ce79ca52567eac20d
all runs: OK
false negative chance: 0.002
# git bisect bad b850dc206a57ae272c639e31ac202ec0c2f46960
Bisecting: 2409 revisions left to test after this (roughly 11 steps)
[6c60000f0b9ae7da630a5715a9ba33042d87e7fd] Merge tag 'soc-dt-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

determine whether the revision contains the guilty commit
revision 6e2cf0eb6926a5c51bba0aca819e91d7265c849c crashed and is reachable
testing commit 6c60000f0b9ae7da630a5715a9ba33042d87e7fd gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: e64a42662a0e296043aa081d7604d3c9205076f4b520461be5c66009e8925d0e
all runs: OK
false negative chance: 0.002
# git bisect bad 6c60000f0b9ae7da630a5715a9ba33042d87e7fd
Bisecting: 1158 revisions left to test after this (roughly 10 steps)
[0106679839f7c69632b3b9833c3268c316c0a9fc] Merge tag 'regulator-fix-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

determine whether the revision contains the guilty commit
revision aa99aad798a8bc6d35ada2af1dc38f75d364e1ce crashed and is reachable
testing commit 0106679839f7c69632b3b9833c3268c316c0a9fc gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 103543054461a69ed72f28251c041214591f93f2371d028ed9a3cee04463bcce
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: crashed: BUG: spinlock recursion in lockref_get
run #3: crashed: BUG: spinlock recursion in lockref_get
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
# git bisect good 0106679839f7c69632b3b9833c3268c316c0a9fc
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[832cf6e176430b948fdb07922091275ea1d209a7] Merge tag 'ti-keystone-dt-for-v6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/dt

determine whether the revision contains the guilty commit
revision aa99aad798a8bc6d35ada2af1dc38f75d364e1ce crashed and is reachable
testing commit 832cf6e176430b948fdb07922091275ea1d209a7 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 94dc0f12c7e110b02e4d4ada86be3c17bead52d71e266a313ab0377f0dccf477
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 832cf6e176430b948fdb07922091275ea1d209a7
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6] Linux 6.9

determine whether the revision contains the guilty commit
revision 22f5dc781574b0f7ce7b491165dcf14bd6151a51 crashed and is reachable
testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 3ca4960afbb778985481002ce633b66583f63f212535d7e6420abd8a489c5dba
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[a49aee94f6d923d779a9bf33966f2f12022bff45] ARM: dts: imx6qdl-cubox-i: Use #pwm-cells = <3> for imx27-pwm device

determine whether the revision contains the guilty commit
revision bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 crashed and is reachable
testing commit a49aee94f6d923d779a9bf33966f2f12022bff45 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 3095421c85e21cdec248e854b6c86e94fb0a4bcdea118c43c7e4e5b99688b612
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip a49aee94f6d923d779a9bf33966f2f12022bff45
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[7ecef37ec5eac299c738833f10bf4a06bdbfdfaf] Merge tag 'arm-soc/for-6.10/devicetree-arm64' of https://github.com/Broadcom/stblinux into soc/dt

determine whether the revision contains the guilty commit
revision aa99aad798a8bc6d35ada2af1dc38f75d364e1ce crashed and is reachable
testing commit 7ecef37ec5eac299c738833f10bf4a06bdbfdfaf gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 69aa54e3f71487820af5ae73dc52f154c436098ca28ef518758ef577e471f159
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 7ecef37ec5eac299c738833f10bf4a06bdbfdfaf
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[9b1e891179cacd12aa77d27a2c00b75fdbef4823] arm64: dts: qcom: sm8650: Add missing reserved memory for chipinfo

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 9b1e891179cacd12aa77d27a2c00b75fdbef4823 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: dcdfaeff72c18059426c53ffab61d3cd5ec52222ec06661fa4c350dd11ef17d0
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 9b1e891179cacd12aa77d27a2c00b75fdbef4823
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[dbf76c0d3da8d18a46f75130bdfae7b3b54407c5] dt-bindings: clock: google,gs101-clock: add HSI0 clock management unit

determine whether the revision contains the guilty commit
revision bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 crashed and is reachable
testing commit dbf76c0d3da8d18a46f75130bdfae7b3b54407c5 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 7d5286c080029a3b2106866904647db9f7283013d83da1dd9a322debcf4943ba
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip dbf76c0d3da8d18a46f75130bdfae7b3b54407c5
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[7fb5680b589d5eae64ada1d917b6ff2dab82f5ae] arm64: dts: qcom: sc8180x: drop legacy property #stream-id-cells

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 7fb5680b589d5eae64ada1d917b6ff2dab82f5ae gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: f2ed4ea1aea8331a94f39e6373a8c73b695baa01a6ee0878922041fd208a36cc
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 7fb5680b589d5eae64ada1d917b6ff2dab82f5ae
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[66010ba94c9b9c273eb9682132d6b809440b9013] dt-bindings: soc: renesas: Document Renesas RZ/V2H(P) SoC variants

determine whether the revision contains the guilty commit
revision bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 crashed and is reachable
testing commit 66010ba94c9b9c273eb9682132d6b809440b9013 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 2b77bfa4ce360753c3bc5424fae3d188f4233ae2bb26695932dad020e18c3831
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 66010ba94c9b9c273eb9682132d6b809440b9013
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[cb06e2b406279f65890233af103c638d3752d328] arm64: dts: qcom: sm8350: Add interconnects to UFS

determine whether the revision contains the guilty commit
revision 7fb5680b589d5eae64ada1d917b6ff2dab82f5ae crashed and is reachable
testing commit cb06e2b406279f65890233af103c638d3752d328 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 888036444a84619fe5ef395bea267b58e3d120f9d7f6f4fa5352ae6b44a6f88d
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip cb06e2b406279f65890233af103c638d3752d328
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[b115751fddaf31a0367c19bf080dddcb928a109a] arm64: dts: exynosautov9: specify the SPI FIFO depth

determine whether the revision contains the guilty commit
revision bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 crashed and is reachable
testing commit b115751fddaf31a0367c19bf080dddcb928a109a gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 6583c30ea7439eed6b8244efb48509a353026fc89d31bd1bc91f3405a4702d8e
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip b115751fddaf31a0367c19bf080dddcb928a109a
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[06db84c57fa11cde247a8d8a16ffc7ede5a88a1c] ARM: dts: imx6qdl-savageboard: Use #pwm-cells = <3> for imx27-pwm device

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 06db84c57fa11cde247a8d8a16ffc7ede5a88a1c gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 506980ddf8af5518080d0abf3e6426208206335d156bdcffd51f560004f7dc4a
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 06db84c57fa11cde247a8d8a16ffc7ede5a88a1c
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[0d23cacb2ae0fc9d8d40f36cb37ad272b3249ffe] arm64: tegra: Add Tegra Security Engine DT nodes

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
testing commit 0d23cacb2ae0fc9d8d40f36cb37ad272b3249ffe gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 08f3263917611ea23e94c90be1e2a3d8642b379a314fba78e5061dfe14819a9b
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 0d23cacb2ae0fc9d8d40f36cb37ad272b3249ffe
Bisecting: 603 revisions left to test after this (roughly 9 steps)
[a257f093bfd643def9c7eac341aa3f6d2c834920] Merge branch 'net-gro-add-flush-flush_id-checks-and-fix-wrong-offset-in-udp'

determine whether the revision contains the guilty commit
revision aa99aad798a8bc6d35ada2af1dc38f75d364e1ce crashed and is reachable
testing commit a257f093bfd643def9c7eac341aa3f6d2c834920 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 89d8133bfe8961a5ac87105322961fd0d8e021a65aa811d8bb309144a47a5543
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: crashed: BUG: spinlock recursion in lockref_get
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
# git bisect good a257f093bfd643def9c7eac341aa3f6d2c834920
Bisecting: 553 revisions left to test after this (roughly 9 steps)
[8ee9a40d05641acb3db0250c1392e008e11753cb] dt-bindings: arm: sunxi: document Tanix TX1 name

determine whether the revision contains the guilty commit
revision 56b30ac84c517eefcfd5384339fee5d8a675f811 crashed and is reachable
testing commit 8ee9a40d05641acb3db0250c1392e008e11753cb gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: e50fc76659bccef2ce2c1f6fed0224e63fc1c443a1916a067dfc6cb05e3afac0
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 8ee9a40d05641acb3db0250c1392e008e11753cb
Bisecting: 553 revisions left to test after this (roughly 9 steps)
[3170a2c906c61407d725e9022b6225c5ff062d9f] arm64: dts: qcom: sc8280xp: Add USB DWC3 Multiport controller

determine whether the revision contains the guilty commit
revision aa99aad798a8bc6d35ada2af1dc38f75d364e1ce crashed and is reachable
testing commit 3170a2c906c61407d725e9022b6225c5ff062d9f gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 4a04c29c219ae8760f4067d9c44a7ad82e6f3619fdb3bae306215b1cb56709cb
all runs: basic kernel testing failed: lost connection to test machine
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
# git bisect skip 3170a2c906c61407d725e9022b6225c5ff062d9f
Bisecting: 553 revisions left to test after this (roughly 9 steps)
[dc8dc573aae7e1482425804b672905013a7191cc] selftests/vDSO: fix building errors on LoongArch

determine whether the revision contains the guilty commit
revision 56b30ac84c517eefcfd5384339fee5d8a675f811 crashed and is reachable
testing commit dc8dc573aae7e1482425804b672905013a7191cc gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: fec187c0474326b347cab8ff651f67c1a3816364b4b17ef4b2ea697d2f17ee33
all runs: OK
false negative chance: 0.013
# git bisect bad dc8dc573aae7e1482425804b672905013a7191cc
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[2aaba39e783a10fd1368626bce6f618a6a2a78b0] lib/test_xarray.c: fix error assumptions on check_xa_multi_store_adv_add()

determine whether the revision contains the guilty commit
revision bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 crashed and is reachable
testing commit 2aaba39e783a10fd1368626bce6f618a6a2a78b0 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: 78644d4f07408e5aec576c21f0eb0447e5c98cd7796d0fabe85e7806992fa175
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: crashed: BUG: spinlock recursion in lockref_get
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
# git bisect good 2aaba39e783a10fd1368626bce6f618a6a2a78b0
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[ac0476e8ca2e4125c0886d7d8d418b8e7cb17139] mm/vmalloc: fix return value of vb_alloc if size is 0

determine whether the revision contains the guilty commit
revision bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 crashed and is reachable
testing commit ac0476e8ca2e4125c0886d7d8d418b8e7cb17139 gcc
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
kernel signature: c2ab9efe9b28b1450f78c2c26646093b32a3c9b3ce5b0d1a72c72d8174f70529
run #0: crashed: BUG: spinlock recursion in lockref_get
run #1: crashed: BUG: spinlock recursion in lockref_get
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: crashed: BUG: spinlock recursion in lockref_get
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: spinlock recursion in lockref_get, types: [LOCKDEP]
# git bisect good ac0476e8ca2e4125c0886d7d8d418b8e7cb17139
Bisecting: 1 revision left to test after this (roughly 1 step)
[2c7ad9a590d1a99ec59c7d90cef41e2b296944c4] fs/proc/task_mmu: fix uffd-wp confusion in pagemap_scan_pmd_entry()

determine whether the revision contains the guilty commit
revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable
reproducer is flaky (0.16 repro chance estimate)
revisions tested: 40, total time: 12h12m4.51541721s (build: 4h34m28.273958239s, test: 6h57m30.636821338s)
error: bisection is taking too long (>12h0m0s), aborting