ci starts bisection 2023-12-25 22:48:40.074645246 +0000 UTC m=+274547.671410451
bisecting cause commit starting from 861deac3b092f37b2c5e6871732f3e11486f7082
building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9
ensuring issue is reproducible on original commit 861deac3b092f37b2c5e6871732f3e11486f7082

testing commit 861deac3b092f37b2c5e6871732f3e11486f7082 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8e9219075bd5001b4c0685351a7e9a48b88614354d0bda9bac40c84905ad119d
all runs: crashed: general protection fault in do_pagemap_scan
representative crash: general protection fault in do_pagemap_scan, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 861deac3b092f37b2c5e6871732f3e11486f7082 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 78d970e6bf29a0d09eb8a512c01769b6b8896f75deec6fd78dae7b5eed4dd354
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
kconfig minimization: base=3923 full=7658 leaves diff=2005
split chunks (needed=false): <2005>
split chunk #0 of len 2005 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 861deac3b092f37b2c5e6871732f3e11486f7082 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f85e4c1f298351a3ca14a1615ba0ff41d9e424e239a83436566737ef8e6b9ba2
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 861deac3b092f37b2c5e6871732f3e11486f7082 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ab387e0ffd56e5ccee985631899d415efeaf3c72f9dbbae9317f46644ded8964
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 861deac3b092f37b2c5e6871732f3e11486f7082 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6b75b461694f24c7c1acd4ba9911b3163a376b6fdaa1bfd07e91a83a82962da3
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 861deac3b092f37b2c5e6871732f3e11486f7082 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ae32d6d7e5fa131d544fca1f7c0088c9e0dfeb06eb920a6a4e31bca875137b25
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 861deac3b092f37b2c5e6871732f3e11486f7082 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 488f018db5a807da73e0693f49d06d2aacab201a05f065e36d8a5f56bc2678cc
all runs: OK
false negative chance: 0.000
minimized to 401 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB GPIOLIB HID_ZEROPLUS I2C_MUX IIO IOMMUFD IRQ_REMAP KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CMDLINE VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_NOMODESET VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC]
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags
testing release v6.6
testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1b117b8d848b04a8c697a35569c76434255b2d89fe5850256cb73e0a29e930d4
all runs: OK
false negative chance: 0.000
# git bisect start 861deac3b092f37b2c5e6871732f3e11486f7082 ffc253263a1375a65fa6c9f62a893e9767fbebfa
Bisecting: 9117 revisions left to test after this (roughly 13 steps)
[40aa597c4a53f7269367d1b5298bd44afcdcf473] Merge tag 'mmc-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

testing commit 40aa597c4a53f7269367d1b5298bd44afcdcf473 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f34ce57079e1d6697be7f1bc4f69789f95813e8bc0d036228ee0a10211c69920
all runs: OK
false negative chance: 0.000
# git bisect good 40aa597c4a53f7269367d1b5298bd44afcdcf473
Bisecting: 4465 revisions left to test after this (roughly 12 steps)
[1f24458a1071f006e3f7449c08ae0f12af493923] Merge tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

testing commit 1f24458a1071f006e3f7449c08ae0f12af493923 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d9e22a88a870483d299caf9188d24d32b503768a520219c6874f6633b9c291d1
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
# git bisect bad 1f24458a1071f006e3f7449c08ae0f12af493923
Bisecting: 2328 revisions left to test after this (roughly 11 steps)
[6ed92e559a2ea572ae2bac5cbeddd1dc8cb667b6] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

testing commit 6ed92e559a2ea572ae2bac5cbeddd1dc8cb667b6 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5970371da5bfbffe27d705ca0a86a68fc09457a58c4400f6a4f321b8487a4214
all runs: OK
false negative chance: 0.000
# git bisect good 6ed92e559a2ea572ae2bac5cbeddd1dc8cb667b6
Bisecting: 1236 revisions left to test after this (roughly 10 steps)
[31e5f934ff962820995c82a6953176a1c7d18ff5] Merge tag 'trace-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

testing commit 31e5f934ff962820995c82a6953176a1c7d18ff5 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 76ddc9ae09b128a06b3741d9363189e5dc669bc4b30386dd2427891f2b3a9778
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
# git bisect bad 31e5f934ff962820995c82a6953176a1c7d18ff5
Bisecting: 542 revisions left to test after this (roughly 9 steps)
[bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5] Merge tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

testing commit bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e2c83a63f431be38b96763962722e2094b5e58057d4755ec3abaf847204b6587
all runs: OK
false negative chance: 0.000
# git bisect good bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5
Bisecting: 271 revisions left to test after this (roughly 8 steps)
[3657fdc2451abf135c2d20949acf57d78cc50338] mm: move vma_policy() and anon_vma_name() decls to mm_types.h

testing commit 3657fdc2451abf135c2d20949acf57d78cc50338 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: afee8eae2518d7f56dc88aa207271f3afd3fc27455d4daec5c732194329d625c
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
# git bisect bad 3657fdc2451abf135c2d20949acf57d78cc50338
Bisecting: 135 revisions left to test after this (roughly 7 steps)
[0926e8ff96b58845e802438374caaca53ab36053] mm/damon/core-test: add a unit test for damon_moving_sum()

testing commit 0926e8ff96b58845e802438374caaca53ab36053 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e5e16c555f6072de3938f26ce8f77901346cb4963adefe033ce4342ef3dead8b
all runs: OK
false negative chance: 0.000
# git bisect good 0926e8ff96b58845e802438374caaca53ab36053
Bisecting: 67 revisions left to test after this (roughly 6 steps)
[b58aa0f4fee61040bdb7557bf66822e929342ac5] tools headers UAPI: update linux/fs.h with the kernel sources

testing commit b58aa0f4fee61040bdb7557bf66822e929342ac5 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 97c735bde22684cf01247c997b19dbb6e006dc5d10efbf41af17cff01ca20cb2
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
# git bisect bad b58aa0f4fee61040bdb7557bf66822e929342ac5
Bisecting: 33 revisions left to test after this (roughly 5 steps)
[a27e2e2d465e4ed73371974040689ac3e78fe3ee] kselftest: vm: fix mdwe's mmap_FIXED test case

testing commit a27e2e2d465e4ed73371974040689ac3e78fe3ee gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cd7d0d1cbaa53dd9a9a77b00d00310784171f73e55848198d9329561534eff4d
all runs: OK
false negative chance: 0.000
# git bisect good a27e2e2d465e4ed73371974040689ac3e78fe3ee
Bisecting: 16 revisions left to test after this (roughly 4 steps)
[07a8bdd4120ced3490ef9adf51b8086af0aaa8e7] memory tiering: add abstract distance calculation algorithms management

testing commit 07a8bdd4120ced3490ef9adf51b8086af0aaa8e7 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6837f1dced761707b600c3f7665b77ba9fe690a7cb4a806f45f987394517ecf8
all runs: OK
false negative chance: 0.000
# git bisect good 07a8bdd4120ced3490ef9adf51b8086af0aaa8e7
Bisecting: 7 revisions left to test after this (roughly 3 steps)
[5ef8f1b2b4d9bd02e4104b9255351fb9279b1b4e] Merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes.

testing commit 5ef8f1b2b4d9bd02e4104b9255351fb9279b1b4e gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 915b8291f438659c641df6fc2001ad1c7e0da512d99b64cea2bcbee3004e188b
all runs: OK
false negative chance: 0.000
# git bisect good 5ef8f1b2b4d9bd02e4104b9255351fb9279b1b4e
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[7bd5bc3ce9632aefd0eed33a19212a2e55c0f873] mm: memcg: normalize the value passed into memcg_rstat_updated()

testing commit 7bd5bc3ce9632aefd0eed33a19212a2e55c0f873 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3698352f1eaf5dd815f209b4e45814369b47055b6f25646f30e52fb3f000f23f
all runs: OK
false negative chance: 0.000
# git bisect good 7bd5bc3ce9632aefd0eed33a19212a2e55c0f873
Bisecting: 1 revision left to test after this (roughly 1 step)
[52526ca7fdb905a768a93f8faa418e9b988fc34b] fs/proc/task_mmu: implement IOCTL to get and optionally clear info about PTEs

testing commit 52526ca7fdb905a768a93f8faa418e9b988fc34b gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 70761e03d0ac4707b85350bc4777769c4457dcf8ead7be2ec54244c852de888e
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan
representative crash: BUG: unable to handle kernel NULL pointer dereference in do_pagemap_scan, types: [UNKNOWN]
# git bisect bad 52526ca7fdb905a768a93f8faa418e9b988fc34b
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[d61ea1cb009532dcbd77a9d44b812704cec60146] userfaultfd: UFFD_FEATURE_WP_ASYNC

testing commit d61ea1cb009532dcbd77a9d44b812704cec60146 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
failed building d61ea1cb009532dcbd77a9d44b812704cec60146: mm/hugetlb.c:6269:17: error: too few arguments to function 'set_huge_pte_at'
# git bisect skip d61ea1cb009532dcbd77a9d44b812704cec60146
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
d61ea1cb009532dcbd77a9d44b812704cec60146
52526ca7fdb905a768a93f8faa418e9b988fc34b
We cannot bisect more!

accumulated error probability: 0.00
revisions tested: 21, total time: 6h40m29.011500176s (build: 3h38m40.195877671s, test: 2h47m51.355965034s)
bisection is inconclusive, the first bad commit could be any of:
d61ea1cb009532dcbd77a9d44b812704cec60146
52526ca7fdb905a768a93f8faa418e9b988fc34b