ci starts bisection 2025-08-21 22:47:48.799039589 +0000 UTC m=+164.352515072
bisecting cause commit starting from 5303936d609e09665deda94eaedf26a0e5c3a087
building syzkaller on 0b9605c8e9db737f9efc5a0557534eade4cbf844
fetch other tags and check if the commit is present
ensuring issue is reproducible on original commit 5303936d609e09665deda94eaedf26a0e5c3a087

testing commit 5303936d609e09665deda94eaedf26a0e5c3a087 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 1aa37c30a0d0432c4855ea6aec97dc132657ff94fd2db2761606f3e7a446dfa6
all runs: crashed: general protection fault in __gfs2_trans_begin
representative crash: general protection fault in __gfs2_trans_begin, 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 5303936d609e09665deda94eaedf26a0e5c3a087 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 9c3a24a6fae6ba43ef637ff71148ccd9948ede7896380ae50c6d6920fb791efc
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, types: [NULL-POINTER-DEREFERENCE]
the bug reproduces without the instrumentation
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed
kconfig minimization: base=4099 full=8521 leaves diff=2193
split chunks (needed=false): <2193>
split chunk #0 of len 2193 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 5303936d609e09665deda94eaedf26a0e5c3a087 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 389e312fd1cb593629dd03328da3e7ef4ad4911acee24d1c51687b40635ddf22
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit 5303936d609e09665deda94eaedf26a0e5c3a087 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 0feb8d31c888bce739d2980e993c76e4798d9a33c48e5f7d956da0ce41077fd6
all runs: OK
false negative chance: 0.000
testing without sub-chunk 3/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 5303936d609e09665deda94eaedf26a0e5c3a087 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 2122063eafa8ee82cfe8c8fce8c1b8845706cd160fa7b348f8d7bd381b8ab23f
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, 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 5303936d609e09665deda94eaedf26a0e5c3a087 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 88c364d8ffbe65abda86b2fee83444f856fbd1264070ce101f01ed20749b22c1
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed
testing commit 5303936d609e09665deda94eaedf26a0e5c3a087 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 511a7ea9276b633657df6a18d50c4c5791afdd92dd93d4ac14b592457c6a1ce1
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, types: [NULL-POINTER-DEREFERENCE]
the chunk can be dropped
minimized to 439 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI BLK_DEV_ZONED CHARGER_BQ24190 CMA COMMON_CLK DAX DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLM DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_CMA_LEGACY DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT 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_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_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_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_SYSFB_HELPER DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_CXUSB_ANALOG DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EFS_FS ENCRYPTED_KEYS EPROBE_EVENTS 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_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENDWARFKSYMS GENERIC_IRQ_ENTRY GENERIC_PHY GENERIC_SYSCALL GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIOLIB_LEGACY GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GROUP_SCHED_BANDWIDTH GTP GUEST_PERF_EVENTS HAS_LTO_CLANG HAVE_ARCH_KSTACK_ERASE HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_DRAGONRISE HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SIGMAMICRO HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST 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_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_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_SCTP IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR MAC802154 MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_VIPERBOARD MODVERSIONS MPTCP MTD NETFILTER_ADVANCED NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE TRUSTED_KEYS TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE]
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 38f14cf85c4f3ba68062c23f16c1204d95882caf5179182d5fc90f8dcb416c58
all runs: OK
false negative chance: 0.000
# git bisect start 5303936d609e09665deda94eaedf26a0e5c3a087 038d61fd642278bab63ee8ef722c50d10ab01e8f
Bisecting: 7459 revisions left to test after this (roughly 13 steps)
[260f6f4fda93c8485c8037865c941b42b9cba5d2] Merge tag 'drm-next-2025-07-30' of https://gitlab.freedesktop.org/drm/kernel

testing commit 260f6f4fda93c8485c8037865c941b42b9cba5d2 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 50d754aff5c2a5e3270de414b817cd76d17e9f30c8b7f1205a81f28f9d19bf20
all runs: OK
false negative chance: 0.000
# git bisect good 260f6f4fda93c8485c8037865c941b42b9cba5d2
Bisecting: 3729 revisions left to test after this (roughly 12 steps)
[55ddcff7358aa7cb20ff71fd2ec3131133b1fc3d] Merge tag '6.17-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

testing commit 55ddcff7358aa7cb20ff71fd2ec3131133b1fc3d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 7e77451a99cc4fa945c4f00a3402c8dacfbb72809938cfa5877c2cf23d812dbb
all runs: OK
false negative chance: 0.000
# git bisect good 55ddcff7358aa7cb20ff71fd2ec3131133b1fc3d
Bisecting: 1900 revisions left to test after this (roughly 11 steps)
[fcd9b9ebb5bd21593f66edd7045aa1d563050474] Merge branch 'docs-next' of git://git.lwn.net/linux.git

testing commit fcd9b9ebb5bd21593f66edd7045aa1d563050474 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 6a73d58196284b197f1acda62ea52acb33f091aacb6cc41a2814389407fdf684
all runs: OK
false negative chance: 0.000
# git bisect good fcd9b9ebb5bd21593f66edd7045aa1d563050474
Bisecting: 993 revisions left to test after this (roughly 10 steps)
[b6ec2e5da86885d85431c3c3899b2114f58c2efd] Merge branch 'nova-next' of https://gitlab.freedesktop.org/drm/nova.git

testing commit b6ec2e5da86885d85431c3c3899b2114f58c2efd gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: d6753239b53a8b00402d2e6b5eb60b1b8ed4664049911e2865abce893e957d1a
all runs: OK
false negative chance: 0.000
# git bisect good b6ec2e5da86885d85431c3c3899b2114f58c2efd
Bisecting: 507 revisions left to test after this (roughly 9 steps)
[2030cf0f2abb5de619ef5fffa40c5c39716b2e02] Merge branch 'next' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git

testing commit 2030cf0f2abb5de619ef5fffa40c5c39716b2e02 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 193e01adfbc5ca03617fff752b6468398328e5b3fa71b6fe3050295d38067730
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, types: [NULL-POINTER-DEREFERENCE]
# git bisect bad 2030cf0f2abb5de619ef5fffa40c5c39716b2e02
Bisecting: 243 revisions left to test after this (roughly 8 steps)
[b52e4bf51ee80bc961257483331bb9ce62961718] Merge branch 'next' of https://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git

testing commit b52e4bf51ee80bc961257483331bb9ce62961718 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: b13b026a1c34dda0b85f551f46a9a3cc79899152e4ae95713fec4893a14de4a9
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, types: [NULL-POINTER-DEREFERENCE]
# git bisect bad b52e4bf51ee80bc961257483331bb9ce62961718
Bisecting: 117 revisions left to test after this (roughly 7 steps)
[87aaf91cf7bfa9de7c6f7150c3820cb1670c08e0] Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git

testing commit 87aaf91cf7bfa9de7c6f7150c3820cb1670c08e0 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 8ed4660866f3c058b56175c5a4b75e2423f91acaa430f6e8afa8c43366e2b798
all runs: OK
false negative chance: 0.000
# git bisect good 87aaf91cf7bfa9de7c6f7150c3820cb1670c08e0
Bisecting: 61 revisions left to test after this (roughly 6 steps)
[d8d00324f81f5867770bfa387ca64fd4296d71ea] Merge branch 'modules-next' of https://git.kernel.org/pub/scm/linux/kernel/git/modules/linux.git

testing commit d8d00324f81f5867770bfa387ca64fd4296d71ea gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: cf5d8ed8f501c3631817608a9faa899e02f18afd3e86145271fdeb441c354a24
all runs: OK
false negative chance: 0.000
# git bisect good d8d00324f81f5867770bfa387ca64fd4296d71ea
Bisecting: 29 revisions left to test after this (roughly 5 steps)
[2175a1f33176288da57b0585704dae8c38837429] Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git

testing commit 2175a1f33176288da57b0585704dae8c38837429 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: ba3ed2448fded365965ed2cbbeb23198024a781e61ef73cab742e9b2ab0b1d19
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin
representative crash: BUG: unable to handle kernel NULL pointer dereference in __gfs2_trans_begin, types: [NULL-POINTER-DEREFERENCE]
# git bisect bad 2175a1f33176288da57b0585704dae8c38837429
Bisecting: 17 revisions left to test after this (roughly 4 steps)
[627cae98250c0aa0b4b812030960c38c1bae9ef2] Merge branch 'for-6.18/io_uring' into for-next

testing commit 627cae98250c0aa0b4b812030960c38c1bae9ef2 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 54d7f34e848bd534a01467c43aa857ceaa053a48c78c751814a6e477f0cc0dbb
all runs: OK
false negative chance: 0.000
# git bisect good 627cae98250c0aa0b4b812030960c38c1bae9ef2
Bisecting: 8 revisions left to test after this (roughly 3 steps)
[fd5cc4922bef4b3c3cd0452f38dcfd066322e9a9] dm-pcache: add persistent cache target in device-mapper

revisions tested: 18, total time: 12h12m17.769380031s (build: 6h18m27.280998749s, test: 2h51m52.344563102s)
error: bisection is taking too long (>12h0m0s), aborting