ci starts bisection 2024-09-30 08:17:28.384083506 +0000 UTC m=+141231.677597877 bisecting cause commit starting from 3efc57369a0ce8f76bf0804f7e673982384e4ac9 building syzkaller on ba29ff75d05fca62258d71ffc063e70f0d7b8b09 ensuring issue is reproducible on original commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 testing commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f262db7acef010187a2eed9d7fb52713433e1ad56fbf116597090b558fa004a9 all runs: crashed: WARNING in __page_table_check_ptes_set representative crash: WARNING in __page_table_check_ptes_set, 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 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d53b3f40106e84f73a2d2ac2ea9265824c2a5550593b8a494995e25060b34367 all runs: crashed: WARNING in __page_table_check_ptes_set representative crash: WARNING in __page_table_check_ptes_set, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4045 full=8195 leaves diff=2110 split chunks (needed=false): <2110> split chunk #0 of len 2110 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 13106e92abddb37ebee0b24f56887330fe46a9b20ed901bf0d0634b630251ce6 all runs: crashed: WARNING in __page_table_check_ptes_set representative crash: WARNING in __page_table_check_ptes_set, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 252ff86a522d8072491acc92271c13c37b5830890f7ed3dd4e399b36d4f616f8 all runs: crashed: WARNING in __page_table_check_ptes_set representative crash: WARNING in __page_table_check_ptes_set, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fa5733dcc8894919c6217cc8d5cca4be6fdd1ffa0e155c2a63dd9195ff7bb35a all runs: crashed: WARNING in __page_table_check_ptes_set representative crash: WARNING in __page_table_check_ptes_set, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d7daa2bb195cbda6f40ff7f1d155dc1f83318c32e063f9004db7cd1a6591219 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 3efc57369a0ce8f76bf0804f7e673982384e4ac9: drivers/gpu/drm/bridge/aux-bridge.c:115: undefined reference to `devm_drm_of_get_bridge' minimized to 844 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON FB GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IOMMUFD IP_SCTP IRQ_REMAP KVM KVM_INTEL L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCREEN_INFO SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ 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USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AQC111 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_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_ROLE_SWITCH 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_REALTEK 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_PCI_RENESAS 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 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 VIDEO 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_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_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 VXLAN 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 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 XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA Z3FOLD Z3FOLD_DEPRECATED ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_Z3FOLD_DEPRECATED] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags 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: cb468afa61c2de1cb5b1a02aa603b257aee892a6ff93046f388965fb07cb725a all runs: crashed: WARNING in __page_table_check_ptes_set representative crash: WARNING in __page_table_check_ptes_set, types: [WARNING] testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 46deac494685c217d124b65e230190e1ba9d5d5e37fb59ee604e66d0fe85ab6d all runs: crashed: WARNING in __page_table_check_ptes_set representative crash: WARNING in __page_table_check_ptes_set, types: [WARNING] testing release v6.9 testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d248cfb854374bfc7740dd4a46eb1c46c68ed3befbeadcbca51942bdaf9b0c3e all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3dca08c2e7990b4dcd2613108fcc44a146b24ffaeae791dd1e77d27ea8d3285f all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 2dde18cd1d8fac735875f2e4987f11817cc0bc2c: drivers/usb/typec/mux/nb7vpq904m.c:310: undefined reference to `devm_drm_of_get_bridge' testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 91a0f3d5b70b46c147ca6aacb41e46baab6d2491d6afd84669e34301c1e45293 all runs: OK false negative chance: 0.000 # git bisect start 0dd3ee31125508cd67f7e7172247f05b7fd1753a 457391b0380335d5e9a5babdec90ac53928b23b4 Bisecting: 32184 revisions left to test after this (roughly 15 steps) [57ce6427e00a6a72f74b29630b39548b36980b09] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 57ce6427e00a6a72f74b29630b39548b36980b09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building 57ce6427e00a6a72f74b29630b39548b36980b09: drivers/usb/typec/mux/nb7vpq904m.c:310: undefined reference to `devm_drm_of_get_bridge' # git bisect skip 57ce6427e00a6a72f74b29630b39548b36980b09 Bisecting: 32188 revisions left to test after this (roughly 15 steps) [a3e6f214032cbbe73a3c012fd11d3f632f8efffa] drm/amd/display: Add DPIA Link Encoder Assignment Fix for DCN35 testing commit a3e6f214032cbbe73a3c012fd11d3f632f8efffa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 145f659e32c2ced39f1c03df154f7c07db0f48bb4f327400f01fd145352ae420 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad a3e6f214032cbbe73a3c012fd11d3f632f8efffa Bisecting: 16093 revisions left to test after this (roughly 14 steps) [30b5c720e1a90c9709187871c9f2152192078519] tools: ynl-gen: cleanup user space header includes testing commit 30b5c720e1a90c9709187871c9f2152192078519 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cf90dc32266f0c88ca5fc36bad31edbbc80c1a5576dec36ec86a6f6f1d3afcf5 all runs: crashed: WARNING in vma_merge representative crash: WARNING in vma_merge, types: [WARNING] # git bisect bad 30b5c720e1a90c9709187871c9f2152192078519 Bisecting: 8061 revisions left to test after this (roughly 13 steps) [cb6fe2ceb667eb78f252d473b03deb23999ab1cf] Merge tag 'devicetree-for-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit cb6fe2ceb667eb78f252d473b03deb23999ab1cf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 22d92057f6b7eca21216dfea20a1a30ea8b5506d6a48b1dccc3784885d8039c0 all runs: OK false negative chance: 0.000 # git bisect good cb6fe2ceb667eb78f252d473b03deb23999ab1cf Bisecting: 4030 revisions left to test after this (roughly 12 steps) [1810769e3a51375ca35d7a5e5f79542858ca495a] cifs: print smb3_fs_context::source when mounting testing commit 1810769e3a51375ca35d7a5e5f79542858ca495a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 786d7c952b22bcdf61e0f329859c27ff4c85e360ceaccc9f9f503ff4e4220bb1 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad 1810769e3a51375ca35d7a5e5f79542858ca495a Bisecting: 2024 revisions left to test after this (roughly 11 steps) [0835b5ee8704aef4e19b369237a762c52c7b6fb1] Merge tag 'pstore-v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux testing commit 0835b5ee8704aef4e19b369237a762c52c7b6fb1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40348e52af185f4c0a909a9ebf0dcb5a1c6c735a90d1a1d3347d1a4784bb181d all runs: OK false negative chance: 0.000 # git bisect good 0835b5ee8704aef4e19b369237a762c52c7b6fb1 Bisecting: 1017 revisions left to test after this (roughly 10 steps) [8c1318e4383e400727c700b9db5044162f5bac57] Merge tag 'lsm-pr-20230428' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm testing commit 8c1318e4383e400727c700b9db5044162f5bac57 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a3624cf7deeac39890fe3d47e517fc59c4596e7a4d2f32d3be1d9502d671ff14 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad 8c1318e4383e400727c700b9db5044162f5bac57 Bisecting: 476 revisions left to test after this (roughly 9 steps) [7fa8a8ee9400fe8ec188426e40e481717bc5e924] Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 7fa8a8ee9400fe8ec188426e40e481717bc5e924 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df91b419b3eeaa2442c80e9a82e377b90cc7f7bdcc8453d99e12fe412892a178 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad 7fa8a8ee9400fe8ec188426e40e481717bc5e924 Bisecting: 264 revisions left to test after this (roughly 8 steps) [a70aae12502b130b0c30dda44dff09e575c1aaeb] zram: always compile read_from_bdev_sync testing commit a70aae12502b130b0c30dda44dff09e575c1aaeb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 323dea6d49195ced4309b940af33ce3610490a1edb1432c0aaf57e751644a343 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad a70aae12502b130b0c30dda44dff09e575c1aaeb Bisecting: 132 revisions left to test after this (roughly 7 steps) [12b9ac6d4385e6a2ffe08e94f810cd34ee53dcdb] mips: fix comment about pgtable_init() testing commit 12b9ac6d4385e6a2ffe08e94f810cd34ee53dcdb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6bd0cd5bf31567341df0fa38f212cd91f28f6758802e396351e7b209e7dcd355 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad 12b9ac6d4385e6a2ffe08e94f810cd34ee53dcdb Bisecting: 65 revisions left to test after this (roughly 6 steps) [caa05325c9126c77ebf114edce51536a0d0a9a08] mm: vmscan: make memcg slab shrink lockless testing commit caa05325c9126c77ebf114edce51536a0d0a9a08 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cbab07bd9bd7976f3326c234234ada2730215cc35cc5324322936b8848cbc6be all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad caa05325c9126c77ebf114edce51536a0d0a9a08 Bisecting: 32 revisions left to test after this (roughly 5 steps) [6dc4bd4e2fe395f8c9d5d0892e45ff7fed5c66f3] x86: kmsan: don't rename memintrinsics in uninstrumented files testing commit 6dc4bd4e2fe395f8c9d5d0892e45ff7fed5c66f3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdb17fff91c395c276d69ed6956ec5845ca3e4393121edc4ab3107942168340e all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad 6dc4bd4e2fe395f8c9d5d0892e45ff7fed5c66f3 Bisecting: 16 revisions left to test after this (roughly 4 steps) [739100c88f49a67c6487bb2d826b0b5a2ddc80e2] mm: add tracepoints to ksm testing commit 739100c88f49a67c6487bb2d826b0b5a2ddc80e2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 25f9c263b19d9b31d121b331a5ad693db91b4c7f84f3e11587d700b3bcb13316 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad 739100c88f49a67c6487bb2d826b0b5a2ddc80e2 Bisecting: 7 revisions left to test after this (roughly 3 steps) [9a52b2f32a0942047348b30f866b846da5fcf4e3] mm: multi-gen LRU: clean up sysfs code testing commit 9a52b2f32a0942047348b30f866b846da5fcf4e3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cdf96ce865e81ee7b3c68aad8c31b4a055b2fb364506039259fccdf30f9fbce3 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad 9a52b2f32a0942047348b30f866b846da5fcf4e3 Bisecting: 3 revisions left to test after this (roughly 2 steps) [2ede3c13be889900f8f5c04b5dc6298201d835c4] mm: reduce lock contention of pcp buffer refill testing commit 2ede3c13be889900f8f5c04b5dc6298201d835c4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 35afd89c32c80a7aeaa21e8a2232e462165ba57446b0905aeccb1a8a3b3d76bf all runs: OK false negative chance: 0.000 # git bisect good 2ede3c13be889900f8f5c04b5dc6298201d835c4 Bisecting: 1 revision left to test after this (roughly 1 step) [a1b92a3f14984c96ace381f204b5d72c0805296e] mm/userfaultfd: support WP on multiple VMAs testing commit a1b92a3f14984c96ace381f204b5d72c0805296e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca9d7a76d5bd5855479d27b87cf2f99281c0498c6ff98bb3aa46676b109006f8 all runs: crashed: WARNING in try_to_migrate_one representative crash: WARNING in try_to_migrate_one, types: [WARNING] # git bisect bad a1b92a3f14984c96ace381f204b5d72c0805296e Bisecting: 0 revisions left to test after this (roughly 0 steps) [700d2e9a36b93601270c1e15550acde2521386c5] mm, page_alloc: reduce page alloc/free sanity checks testing commit 700d2e9a36b93601270c1e15550acde2521386c5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3da43b0fdb7d3a5be83c6a45c4658fd92fa3e56d17ad183cff2dfa6e7f76bbf4 all runs: OK false negative chance: 0.000 # git bisect good 700d2e9a36b93601270c1e15550acde2521386c5 a1b92a3f14984c96ace381f204b5d72c0805296e is the first bad commit commit a1b92a3f14984c96ace381f204b5d72c0805296e Author: Muhammad Usama Anjum Date: Fri Feb 17 15:55:58 2023 +0500 mm/userfaultfd: support WP on multiple VMAs mwriteprotect_range() errors out if [start, end) doesn't fall in one VMA. We are facing a use case where multiple VMAs are present in one range of interest. For example, the following pseudocode reproduces the error which we are trying to fix: - Allocate memory of size 16 pages with PROT_NONE with mmap - Register userfaultfd - Change protection of the first half (1 to 8 pages) of memory to PROT_READ | PROT_WRITE. This breaks the memory area in two VMAs. - Now UFFDIO_WRITEPROTECT_MODE_WP on the whole memory of 16 pages errors out. This is a simple use case where user may or may not know if the memory area has been divided into multiple VMAs. We need an implementation which doesn't disrupt the already present users. So keeping things simple, stop going over all the VMAs if any one of the VMA hasn't been registered in WP mode. While at it, remove the un-needed error check as well. [akpm@linux-foundation.org: s/VM_WARN_ON_ONCE/VM_WARN_ONCE/ to fix build] Link: https://lkml.kernel.org/r/20230217105558.832710-1-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum Acked-by: Peter Xu Acked-by: David Hildenbrand Reported-by: Paul Gofman Signed-off-by: Andrew Morton mm/userfaultfd.c | 41 ++++++++++++++++++++++++----------------- 1 file changed, 24 insertions(+), 17 deletions(-) accumulated error probability: 0.00 culprit signature: ca9d7a76d5bd5855479d27b87cf2f99281c0498c6ff98bb3aa46676b109006f8 parent signature: 3da43b0fdb7d3a5be83c6a45c4658fd92fa3e56d17ad183cff2dfa6e7f76bbf4 revisions tested: 27, total time: 6h14m40.632102059s (build: 3h10m44.56188356s, test: 2h0m49.422548211s) first bad commit: a1b92a3f14984c96ace381f204b5d72c0805296e mm/userfaultfd: support WP on multiple VMAs recipients (to): ["akpm@linux-foundation.org" "david@redhat.com" "peterx@redhat.com" "usama.anjum@collabora.com"] recipients (cc): [] crash: WARNING in try_to_migrate_one ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3964 at arch/x86/include/asm/pgtable.h:313 pte_uffd_wp arch/x86/include/asm/pgtable.h:313 [inline] WARNING: CPU: 0 PID: 3964 at arch/x86/include/asm/pgtable.h:313 try_to_migrate_one+0x75c/0xb30 mm/rmap.c:2090 Modules linked in: CPU: 0 PID: 3964 Comm: syz.0.15 Not tainted 6.3.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:pte_uffd_wp arch/x86/include/asm/pgtable.h:313 [inline] RIP: 0010:try_to_migrate_one+0x75c/0xb30 mm/rmap.c:2090 Code: 0f 84 d3 fd ff ff c6 82 69 14 00 00 01 e9 c7 fd ff ff 90 0f 0b 90 e9 7c ff ff ff 90 0f 0b 90 eb 8b 48 ff c8 e9 51 fc ff ff 90 <0f> 0b 90 e9 f3 fe ff ff f3 0f 1e fa 4c 89 6c 24 18 48 89 dd 65 8b RSP: 0018:ffffc9000274b9f0 EFLAGS: 00010246 RAX: 07ffe7ffdd238600 RBX: ffff888107a78880 RCX: 00000000e91c3b98 RDX: 7800000400116e3c RSI: 0000000400000000 RDI: ffffea00045b8f00 RBP: 0000000116e3c467 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 000fffffc0000000 R12: f000000000000000 R13: ffffea00045b8f00 R14: ffffea00045b8f00 R15: ffff88811651ee40 FS: 00007f0a3a15c6c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f339954c440 CR3: 00000001155d8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rmap_walk_anon+0x151/0x230 mm/rmap.c:2433 try_to_migrate+0xc8/0x110 migrate_folio_unmap mm/migrate.c:1242 [inline] migrate_pages_batch+0x3ad/0x1470 mm/migrate.c:1680 migrate_pages_sync mm/migrate.c:1870 [inline] migrate_pages+0xbd3/0x10b0 mm/migrate.c:1973 migrate_to_node mm/mempolicy.c:1086 [inline] do_migrate_pages+0x252/0x330 mm/mempolicy.c:1185 kernel_migrate_pages mm/mempolicy.c:1661 [inline] __do_sys_migrate_pages mm/mempolicy.c:1680 [inline] __se_sys_migrate_pages+0x1fb/0x240 mm/mempolicy.c:1676 do_syscall_64+0x46/0xc0 entry_SYSCALL_64_after_hwframe+0x73/0xdd RIP: 0033:0x7f0a3937dff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0a3a15c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000100 RAX: ffffffffffffffda RBX: 00007f0a39535f80 RCX: 00007f0a3937dff9 RDX: 0000000020000040 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 00007f0a393f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000300 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0a39535f80 R15: 00007ffe66babb68