ci starts bisection 2025-02-04 05:46:29.574701366 +0000 UTC m=+1622.950754026
bisecting cause commit starting from 2014c95afecee3e76ca4a56956a936e23283f05b
building syzkaller on a21a8419b67b5ef8ebc3d6dd834d065e6860c41f
ensuring issue is reproducible on original commit 2014c95afecee3e76ca4a56956a936e23283f05b

testing commit 2014c95afecee3e76ca4a56956a936e23283f05b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4ed749e665860fbb363a7eba0bdd5f9c8ed4edc88b9addc2e0ad429565548551
all runs: crashed: INFO: task hung in rmap_walk_file
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 2014c95afecee3e76ca4a56956a936e23283f05b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 09558c6b16f22990b343ab24c7c8422a18f84894dbcc039e3b0e5874f55f9fb5
all runs: crashed: INFO: task hung in rmap_walk_file
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
kconfig minimization: base=4063 full=8264 leaves diff=2115
split chunks (needed=false): <2115>
split chunk #0 of len 2115 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit 2014c95afecee3e76ca4a56956a936e23283f05b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ec42e0b2e8a4033069dacdd1043be502e551bb0f6bfa4935b326ec350644e51f
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 2014c95afecee3e76ca4a56956a936e23283f05b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building 2014c95afecee3e76ca4a56956a936e23283f05b: drivers/gpu/drm/bridge/aux-bridge.c:116: undefined reference to `devm_drm_of_get_bridge'
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 2014c95afecee3e76ca4a56956a936e23283f05b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6c272e96ab9234c137be6b41de1c3e9822e122119436b01b18316271826a0ee6
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 2014c95afecee3e76ca4a56956a936e23283f05b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 40960f2618f4e34600626f36c69f9ddd630e1891c858e5897b60366f7fe96186
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in hugetlbfs_zero_partial_page
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing commit 2014c95afecee3e76ca4a56956a936e23283f05b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8b371b89c6348e45926b96251b98d4734a59e035260a212c8e8294da2d123775
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: crashed: INFO: task hung in rmap_walk_file
run #10: crashed: INFO: task hung in rmap_walk_file
run #11: crashed: INFO: task hung in rmap_walk_file
run #12: crashed: INFO: task hung in rmap_walk_file
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
the chunk can be dropped
minimized to 423 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE 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_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 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_PHY 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 GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GUEST_PERF_EVENTS GVE 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_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_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_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_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_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_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 IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH 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 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 TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE]
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
picked [v6.13 v6.12 v6.11 v6.9 v6.7 v6.5 v6.3 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 36 release tags
testing release v6.13
testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 615ce45bb959a6c5af65c324224c31a8b090b02a190d5a9bfb84d16c1acb3534
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: crashed: INFO: task hung in rmap_walk_file
run #10: crashed: INFO: task hung in rmap_walk_file
run #11: crashed: INFO: task hung in rmap_walk_file
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: crashed: INFO: task hung in rmap_walk_file
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5616d2b4d7ac7ff85f6588bf02ebf85485a52cf65d4230267329a6f3898c566d
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: crashed: INFO: task hung in rmap_walk_file
run #10: crashed: INFO: task hung in rmap_walk_file
run #11: crashed: INFO: task hung in rmap_walk_file
run #12: crashed: INFO: task hung in rmap_walk_file
run #13: crashed: INFO: task hung in rmap_walk_file
run #14: crashed: INFO: task hung in rmap_walk_file
run #15: crashed: INFO: task hung in rmap_walk_file
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
testing release v6.11
testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 496b6f18526cfcb479c63203c3f77bcdc743bc196b261082f6c59a322a1f4703
all runs: OK
false negative chance: 0.000
# git bisect start adc218676eef25575469234709c2d87185ca223a 98f7e32f20d28ec452afb208f9cffc08448a2652
Bisecting: 7334 revisions left to test after this (roughly 13 steps)
[509d2cd12a10d057fdf72f565b930f9a81140d59] Merge tag 'Smack-for-6.12' of https://github.com/cschaufler/smack-next

testing commit 509d2cd12a10d057fdf72f565b930f9a81140d59 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6c06c97bef0f5d6ed17d12bc27b9a6c5395ca3f21a2913d9a696706fced93b21
all runs: OK
false negative chance: 0.000
# git bisect good 509d2cd12a10d057fdf72f565b930f9a81140d59
Bisecting: 3656 revisions left to test after this (roughly 12 steps)
[356a0319456810f3a5618353f6ca3b0ef9965479] Merge tag 'tty-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

testing commit 356a0319456810f3a5618353f6ca3b0ef9965479 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 761186d835011cc940f60864d02dc47d5d5c6240bc1709be21b9c921b48ac1e7
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in hugetlbfs_zero_partial_page
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: crashed: INFO: task hung in rmap_walk_file
run #10: crashed: INFO: task hung in rmap_walk_file
run #11: crashed: INFO: task hung in rmap_walk_file
run #12: crashed: INFO: task hung in rmap_walk_file
run #13: crashed: INFO: task hung in rmap_walk_file
run #14: crashed: INFO: task hung in rmap_walk_file
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 356a0319456810f3a5618353f6ca3b0ef9965479
Bisecting: 1770 revisions left to test after this (roughly 11 steps)
[3a37872316c2e3288e09a1322221c83e5929768d] Merge tag 'pci-v6.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

testing commit 3a37872316c2e3288e09a1322221c83e5929768d gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b0eab2813e2111bed9ffb4e8ca009eee20cdbf5cd667893e00839e507337c812
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: crashed: INFO: task hung in rmap_walk_file
run #10: crashed: INFO: task hung in rmap_walk_file
run #11: crashed: INFO: task hung in rmap_walk_file
run #12: crashed: INFO: task hung in rmap_walk_file
run #13: crashed: INFO: task hung in rmap_walk_file
run #14: crashed: INFO: task hung in rmap_walk_file
run #15: crashed: INFO: task hung in rmap_walk_file
run #16: crashed: INFO: task hung in rmap_walk_file
run #17: crashed: INFO: task hung in rmap_walk_file
run #18: OK
run #19: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 3a37872316c2e3288e09a1322221c83e5929768d
Bisecting: 816 revisions left to test after this (roughly 10 steps)
[440b65232829fad69947b8de983c13a525cc8871] Merge tag 'bpf-next-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

testing commit 440b65232829fad69947b8de983c13a525cc8871 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3916d4c854d2b9a0b28f6358ec442b9c76615eaf8fa1f2f478d767f9a4371a3a
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: crashed: INFO: task hung in rmap_walk_file
run #10: crashed: INFO: task hung in rmap_walk_file
run #11: crashed: INFO: task hung in rmap_walk_file
run #12: crashed: INFO: task hung in rmap_walk_file
run #13: crashed: INFO: task hung in rmap_walk_file
run #14: crashed: INFO: task hung in rmap_walk_file
run #15: crashed: INFO: task hung in rmap_walk_file
run #16: crashed: INFO: task hung in rmap_walk_file
run #17: crashed: INFO: task hung in rmap_walk_file
run #18: crashed: INFO: task hung in rmap_walk_file
run #19: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 440b65232829fad69947b8de983c13a525cc8871
Bisecting: 482 revisions left to test after this (roughly 9 steps)
[617a814f14b8914271f7a70366d72c6196d17663] Merge tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit 617a814f14b8914271f7a70366d72c6196d17663 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8d4ccaa094e580b0f646a11be4e81886783b158429b472b78a6eeeebe8623652
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: crashed: INFO: task hung in rmap_walk_file
run #6: crashed: INFO: task hung in rmap_walk_file
run #7: crashed: INFO: task hung in rmap_walk_file
run #8: crashed: INFO: task hung in rmap_walk_file
run #9: crashed: INFO: task hung in rmap_walk_file
run #10: crashed: INFO: task hung in rmap_walk_file
run #11: crashed: INFO: task hung in rmap_walk_file
run #12: crashed: INFO: task hung in rmap_walk_file
run #13: crashed: INFO: task hung in rmap_walk_file
run #14: crashed: INFO: task hung in rmap_walk_file
run #15: crashed: INFO: task hung in rmap_walk_file
run #16: crashed: INFO: task hung in rmap_walk_file
run #17: crashed: INFO: task hung in rmap_walk_file
run #18: crashed: INFO: task hung in rmap_walk_file
run #19: OK
representative crash: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 617a814f14b8914271f7a70366d72c6196d17663
Bisecting: 303 revisions left to test after this (roughly 8 steps)
[775d28fd45a2f5e58d8927ce77693398b1f074a6] mm: remove isolate_lru_page()

testing commit 775d28fd45a2f5e58d8927ce77693398b1f074a6 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8edf30657eeea9cb5efaaf7d6250d100e1656cdb4a97d2e292a805587a2f2fac
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 775d28fd45a2f5e58d8927ce77693398b1f074a6
Bisecting: 151 revisions left to test after this (roughly 7 steps)
[73ed0baae66df50359c876f65f41179d6ebd2716] mm: swap: swap cluster switch to double link list

testing commit 73ed0baae66df50359c876f65f41179d6ebd2716 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 662a8857c5b91d9246370501071617ae3d1d9b6d19a997acf4fbcaff5dc2e993
run #0: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 73ed0baae66df50359c876f65f41179d6ebd2716
Bisecting: 151 revisions left to test after this (roughly 7 steps)
[e20bac6544bca0fd33e1e20617a9b82b003a23e1] MIPS: loongson64: rename __node_data to node_data

testing commit e20bac6544bca0fd33e1e20617a9b82b003a23e1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3edce89e8df77eb78c1a9d02a85a2d420d1d062963962f2e566cf6efa5f9d93b
run #0: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip e20bac6544bca0fd33e1e20617a9b82b003a23e1
Bisecting: 151 revisions left to test after this (roughly 7 steps)
[6dc151388e44957d471633ce70d72e3d27ae836d] mm: remove page_has_private()

testing commit 6dc151388e44957d471633ce70d72e3d27ae836d gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d57d0f517038a697bff5c988083bfc908f64e1e2da462e75faf69e1eb55a139b
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 6dc151388e44957d471633ce70d72e3d27ae836d
Bisecting: 117 revisions left to test after this (roughly 7 steps)
[40b88644dd92d99e572063893c2a247598c238d6] mm: remove arch_unmap()

testing commit 40b88644dd92d99e572063893c2a247598c238d6 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6840e63539043e59337c543f19e22407a7d08efd273ec7831f32587c0a5907b0
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 40b88644dd92d99e572063893c2a247598c238d6
Bisecting: 57 revisions left to test after this (roughly 6 steps)
[81920438a6dce78e6eac17ee34f29bf6c32074b1] mm: zswap: fix global shrinker error handling logic

testing commit 81920438a6dce78e6eac17ee34f29bf6c32074b1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 12262d019714657816f81fb99f2def57cd263416cbf784538434de5245e941eb
run #0: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 81920438a6dce78e6eac17ee34f29bf6c32074b1
Bisecting: 57 revisions left to test after this (roughly 6 steps)
[941ce635234162c420c9185816c59f7d5dd1ad07] mm: page_counters: put page_counter_calculate_protection() under CONFIG_MEMCG

testing commit 941ce635234162c420c9185816c59f7d5dd1ad07 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 42006939854220371e9f9327e138bd46bcfa464fa87b27909d0c79ab60920618
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad 941ce635234162c420c9185816c59f7d5dd1ad07
Bisecting: 14 revisions left to test after this (roughly 4 steps)
[2a28713a67fd28eedc13b32300df6b9c5a2381f5] memory tiering: introduce folio_use_access_time() check

testing commit 2a28713a67fd28eedc13b32300df6b9c5a2381f5 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c0690fd05400ee12c068eeabb46a645b9737e675b4aac12803c4c8c17c7acaa4
run #0: crashed: INFO: task hung in corrupted
run #1: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in corrupted, types: [HANG]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 2a28713a67fd28eedc13b32300df6b9c5a2381f5
Bisecting: 14 revisions left to test after this (roughly 4 steps)
[2f52c77128b1f96b23c987a25dfc2f459634cc07] mm/swap: fold lru_rotate into cpu_fbatches

testing commit 2f52c77128b1f96b23c987a25dfc2f459634cc07 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8ca2f51611185d1b247c8b3ee4cf0c244f41609c80cc6eac1c7c4c585a35fae1
run #0: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 2f52c77128b1f96b23c987a25dfc2f459634cc07
Bisecting: 14 revisions left to test after this (roughly 4 steps)
[3ddc2fefe6f34ec870fcb22f4cd656e53db079f2] mm: vmalloc: implement vrealloc()

testing commit 3ddc2fefe6f34ec870fcb22f4cd656e53db079f2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9eed466864238cd9028197f8656134aa12b22ebfd8628c8a4271729fac96d04f
all runs: OK
false negative chance: 0.016
# git bisect good 3ddc2fefe6f34ec870fcb22f4cd656e53db079f2
Bisecting: 14 revisions left to test after this (roughly 4 steps)
[e0b2fdb352b7991664b23ae5e15b537cd79a7820] kmemleak-test: add percpu leak

testing commit e0b2fdb352b7991664b23ae5e15b537cd79a7820 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fd81387020f6a394c0af9db114864983f589e2c32adb22d720e3194233023244
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip e0b2fdb352b7991664b23ae5e15b537cd79a7820
Bisecting: 14 revisions left to test after this (roughly 4 steps)
[4fd568faf6e7e21f206cd66dd4fca9a72e7d922c] mm: kmem: remove mem_cgroup_from_obj()

testing commit 4fd568faf6e7e21f206cd66dd4fca9a72e7d922c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 85d66eb3fa7927d8990c2f13016c4286ee6080f817221f5d3cc5ac9bd88581b6
all runs: OK
false negative chance: 0.016
# git bisect good 4fd568faf6e7e21f206cd66dd4fca9a72e7d922c
Bisecting: 8 revisions left to test after this (roughly 3 steps)
[afb6d780b9b17914ba720088dac2bfa2505f36c8] mm/swap: remove boilerplate

testing commit afb6d780b9b17914ba720088dac2bfa2505f36c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8825af1f422b211b44fe2eefce1481fa20b7b001262434962cc181b12d43ae6e
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad afb6d780b9b17914ba720088dac2bfa2505f36c8
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[ac59a1f0146f46bad7d5f8d1b20756ece43122ec] memory tiering: count PGPROMOTE_SUCCESS when mem tiering is enabled.

testing commit ac59a1f0146f46bad7d5f8d1b20756ece43122ec gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f67415e2d27ed642fcb51b3945526bae94d2ae6fed1b2db575ba35450326f00e
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
run #2: crashed: INFO: task hung in rmap_walk_file
run #3: crashed: INFO: task hung in rmap_walk_file
run #4: crashed: INFO: task hung in rmap_walk_file
run #5: ignore: lost connection to test machine
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: INFO: task hung in rmap_walk_file, types: [HANG]
# git bisect bad ac59a1f0146f46bad7d5f8d1b20756ece43122ec
Bisecting: 1 revision left to test after this (roughly 1 step)
[3eb2091c653480e02e9c2a114c4725ec654bca63] memory tiering: read last_cpupid correctly in do_huge_pmd_numa_page()

testing commit 3eb2091c653480e02e9c2a114c4725ec654bca63 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1876fc85a2aa2eb04b8ea65d2866942e0ce05259e6d6224a94a62b309474eff9
run #0: crashed: INFO: task hung in rmap_walk_file
run #1: crashed: INFO: task hung in rmap_walk_file
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: INFO: task hung in rmap_walk_file, types: [HANG]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 3eb2091c653480e02e9c2a114c4725ec654bca63
Bisecting: 1 revision left to test after this (roughly 1 step)
[d2539ed7ee3b042e4503c304603d0eaa50c9c476] mm: extend 'usage' parameter so that cluster_swap_free_nr() can be reused

reproducer is flaky (0.17 repro chance estimate)
revisions tested: 29, total time: 12h10m25.108305972s (build: 4h15m33.997743711s, test: 7h28m57.706451215s)
error: bisection is taking too long (>12h0m0s), aborting