ci starts bisection 2023-11-15 17:16:15.667991026 +0000 UTC m=+171538.643156876
bisecting cause commit starting from c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c
building syzkaller on cb976f63e0177b96eb9ce1c631cc5e2c4b4b0759
ensuring issue is reproducible on original commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c

testing commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a1e03987d22e8b144b2adbe06689f861a01071b13a9eaa1b3d75d4727332f66b
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
check whether we can drop unnecessary instrumentation
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 725777309ee2dd6df219be324ac01c8f7c1601cae7ef8a9e3eab0b66dd99f47e
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
kconfig minimization: base=3923 full=7658 leaves diff=2007
split chunks (needed=false): <2007>
split chunk #0 of len 2007 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d1d0a6c460d2b04bd332ee18290ad885fa947a308fd4a050f0a6085756f9e7be
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5445c6ad1024bc85835c797806a543ed1d0e80dfeb009dd18d25b7127932a72f
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f50481c828f5ff1043691697439ec36005cb26a121f3c66be9b2bd28f5772a09
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6406a965bb1eeb68b4dc2d4429cfff9475605accd8652c28ef95edfdde8e206b
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3c24878dddb6950ad82b8ea3b46df30dfa3e2ac1f2e844b9afcdf6a8a18fe2ef
all runs: OK
false negative chance: 0.000
minimized to 399 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_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 [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], 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: 687cf1f8077f8a1db90b230ee63c476d0dc8b04f414eca92746bfd4155ba72cb
all runs: OK
false negative chance: 0.000
# git bisect start c42d9eeef8e5ba9292eda36fd8e3c11f35ee065c ffc253263a1375a65fa6c9f62a893e9767fbebfa
Bisecting: 7572 revisions left to test after this (roughly 13 steps)
[7d461b291e65938f15f56fe58da2303b07578a76] Merge tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm

testing commit 7d461b291e65938f15f56fe58da2303b07578a76 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8fd4d8d1ad15004a8828d828c7d0a42885426e932ef8844b8c929be030d29b28
all runs: OK
false negative chance: 0.000
# git bisect good 7d461b291e65938f15f56fe58da2303b07578a76
Bisecting: 3788 revisions left to test after this (roughly 12 steps)
[2a80532c0745e140852e6b579bbe8371332bb45d] Merge tag 'printk-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

testing commit 2a80532c0745e140852e6b579bbe8371332bb45d gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e8178e19d234e68d3cc3ec86a478da06491a569bff543bcae4fac41db36ea117
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
# git bisect bad 2a80532c0745e140852e6b579bbe8371332bb45d
Bisecting: 1910 revisions left to test after this (roughly 11 steps)
[27beb3ca347fa29fef5c23b351120239b8cf0612] Merge tag 'pci-v6.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

testing commit 27beb3ca347fa29fef5c23b351120239b8cf0612 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d5d2cc2cc8b6ae7d466db5dc3c6617ff2f29090df29c623c394b3aae7911bd46
all runs: OK
false negative chance: 0.000
# git bisect good 27beb3ca347fa29fef5c23b351120239b8cf0612
Bisecting: 974 revisions left to test after this (roughly 10 steps)
[5be9911406ada8fe6187db7ce402f7ff4c21ebdf] Merge tag 'sh-for-v6.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux

testing commit 5be9911406ada8fe6187db7ce402f7ff4c21ebdf gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dd0c58a4fca2639cef04268b651d05c4b6f885ee74e3ce088eab2128ac0a5d95
all runs: OK
false negative chance: 0.000
# git bisect good 5be9911406ada8fe6187db7ce402f7ff4c21ebdf
Bisecting: 504 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: 803d4344e2763f72fd368175a20ee0ba66963069433379c6165c8e436f9a2fcf
all runs: OK
false negative chance: 0.000
# git bisect good bc3012f4e3a9765de81f454cb8f9bb16aafc6ff5
Bisecting: 252 revisions left to test after this (roughly 8 steps)
[ea845e3173f7552aae539aeb943cd19ebe90ba38] m68k: implement xor_unlock_is_negative_byte

testing commit ea845e3173f7552aae539aeb943cd19ebe90ba38 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dbaff394a2503fcd243517369f3116cda8a4c32d00b31c162f959dffadb6b937
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
# git bisect bad ea845e3173f7552aae539aeb943cd19ebe90ba38
Bisecting: 125 revisions left to test after this (roughly 7 steps)
[2e7cfe5cd5b6b0b98abf57a3074885979e187c1c] mm/cma: use nth_page() in place of direct struct page manipulation

testing commit 2e7cfe5cd5b6b0b98abf57a3074885979e187c1c gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bb42b4f8d51b53dfeb9b11076f85dab73e0ea517634998d496fa5d8c3e2d6244
all runs: OK
false negative chance: 0.000
# git bisect good 2e7cfe5cd5b6b0b98abf57a3074885979e187c1c
Bisecting: 62 revisions left to test after this (roughly 6 steps)
[6bc2cfdf82d56863b7cf5e86e37a662b2ae5d47e] dax, kmem: calculate abstract distance with general interface

testing commit 6bc2cfdf82d56863b7cf5e86e37a662b2ae5d47e gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9259c85e0bb831301ea7b967d8f8c9296ede717112abb4fcd77a3ccbbb70ecc8
all runs: OK
false negative chance: 0.000
# git bisect good 6bc2cfdf82d56863b7cf5e86e37a662b2ae5d47e
Bisecting: 31 revisions left to test after this (roughly 5 steps)
[4de8c93a4751e10737b6af65db42c743228c67a6] mm: handle COW faults under the VMA lock

testing commit 4de8c93a4751e10737b6af65db42c743228c67a6 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8730161b85def06ca23b68a98b60a397837afb677bbeaf7e50eb2fed3979d5d9
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
# git bisect bad 4de8c93a4751e10737b6af65db42c743228c67a6
Bisecting: 15 revisions left to test after this (roughly 4 steps)
[18825b8ae9a3d8abd869811aa2a4ea617da5a59e] mm/pagemap: add documentation of PAGEMAP_SCAN IOCTL

testing commit 18825b8ae9a3d8abd869811aa2a4ea617da5a59e gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c58fbef2e85e55333fe6723981274beada4ad4004cb5abd63353374dc145beac
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
# git bisect bad 18825b8ae9a3d8abd869811aa2a4ea617da5a59e
Bisecting: 7 revisions left to test after this (roughly 3 steps)
[30a89adf872d2e46323840964c95dc0ae3bb5843] hugetlb: check for hugetlb folio before vmemmap_restore

testing commit 30a89adf872d2e46323840964c95dc0ae3bb5843 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b5ad51309ee1da8f0a4bd1d286ae27a300a0519bc2c153aa1a2fbde1ca259e6f
all runs: OK
false negative chance: 0.000
# git bisect good 30a89adf872d2e46323840964c95dc0ae3bb5843
Bisecting: 3 revisions left to test after this (roughly 2 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
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[ff841a06c844b0556b434d67cfc43f4fda56ae7b] mm: memcg: refactor page state unit helpers

testing commit ff841a06c844b0556b434d67cfc43f4fda56ae7b gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b7a59198458ba5c904185194bec8415a110a9369ea36c001451d0acb0aeba818
all runs: OK
false negative chance: 0.000
# git bisect good ff841a06c844b0556b434d67cfc43f4fda56ae7b
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[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: f4cacc1542d7fd84ee0c338869cb24da54ee865e8da0c3501d2e25fde8217d54
all runs: crashed: WARNING in pagemap_scan_pmd_entry
representative crash: WARNING in pagemap_scan_pmd_entry, types: [WARNING]
# git bisect bad 52526ca7fdb905a768a93f8faa418e9b988fc34b
Bisecting: 1 revision left to test after this (roughly 1 step)
[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: 8e13efbe9175db92bc17558d41a59c8a5297199ea1f334c755e5c0716a336733
all runs: OK
false negative chance: 0.000
# git bisect good 7bd5bc3ce9632aefd0eed33a19212a2e55c0f873
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: 22, total time: 8h16m14.903981574s (build: 4h51m1.191434726s, test: 3h1m12.252475762s)
bisection is inconclusive, the first bad commit could be any of:
d61ea1cb009532dcbd77a9d44b812704cec60146
52526ca7fdb905a768a93f8faa418e9b988fc34b