ci starts bisection 2023-09-08 11:23:04.233065678 +0000 UTC m=+148315.732345520 bisecting cause commit starting from 7733171926cc336ddf0c8f847eefaff569dbff86 building syzkaller on 8bc9053e88dacf57f5ce550da040d31895eb9626 ensuring issue is reproducible on original commit 7733171926cc336ddf0c8f847eefaff569dbff86 testing commit 7733171926cc336ddf0c8f847eefaff569dbff86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 36554bf44296cdc600f02f0891cae6dfa16d520846b374659c40ddbc82fb9bb7 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 7733171926cc336ddf0c8f847eefaff569dbff86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 915ee6fd7330f142d4b81d106aae6d9aede07138595ccbfc7e4f25a80d5c038f all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3883 full=7692 leaves diff=2019 split chunks (needed=false): <2019> split chunk #0 of len 2019 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 7733171926cc336ddf0c8f847eefaff569dbff86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38bd6328353b4d163f860fe5150a31d0e11130fa4f760f80aac0fd62d5837491 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 7733171926cc336ddf0c8f847eefaff569dbff86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: df7e3d2dcb6c65d1350398d112b94ef1c18dd963c5d07e662d909addf54e898c all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] 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 7733171926cc336ddf0c8f847eefaff569dbff86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8201c6b97857eee4b2d5e1edc8de71df91a4d0b9bf274b68c3da3ce721e2c27 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] 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 7733171926cc336ddf0c8f847eefaff569dbff86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae22bf186c75e167458ca2d6f829b2155f5175fa9037deacd6b2848443bb7f3d all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 7733171926cc336ddf0c8f847eefaff569dbff86 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5cc04f8fb47c3d158c1ed598dc2007f4714150d35ca28953d78a3fa9e9dd0a01 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] the chunk can be dropped minimized to 404 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_CONNTRACK_SNMP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 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 NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN 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_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING 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 PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES 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 REGULATOR 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 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 SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed picked [%!d(string=v6.5) %!d(string=v6.4) %!d(string=v6.3) %!d(string=v6.1) %!d(string=v5.19) %!d(string=v5.17) %!d(string=v5.15) %!d(string=v5.13) %!d(string=v5.10) %!d(string=v5.7) %!d(string=v5.4) %!d(string=v5.1) %!d(string=v4.19)] out of %!d(MISSING) release tags testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4bc05195df270fe0b5bd0ca32d3e875fb559a56f1b6e0bed267e9a1e450a36d9 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c24992ffdd5213228360f47357dc8d072eaa5b29934716525918282b11d480c all runs: OK false negative chance: 0.000 # git bisect start 2dde18cd1d8fac735875f2e4987f11817cc0bc2c 6995e2de6891c724bfeb2db33d7b87775f913ad1 Bisecting: 7364 revisions left to test after this (roughly 13 steps) [b775d6c5859affe00527cbe74263de05cfe6b9f9] Merge tag 'mips_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux testing commit b775d6c5859affe00527cbe74263de05cfe6b9f9 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 20e3d8c8898a94bf0adfe7d305ceaabf5ed23d209c0341ca8d0805f021d381d8 all runs: OK false negative chance: 0.000 # git bisect good b775d6c5859affe00527cbe74263de05cfe6b9f9 Bisecting: 3681 revisions left to test after this (roughly 12 steps) [56cbceab928d7ac3702de172ff8dcc1da2a6aaeb] Merge tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit 56cbceab928d7ac3702de172ff8dcc1da2a6aaeb gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 76d1b4710e7894dcc09413e2ba99f2201d068bb8730d3aef0b78e6604055b2c3 all runs: OK false negative chance: 0.000 # git bisect good 56cbceab928d7ac3702de172ff8dcc1da2a6aaeb Bisecting: 1841 revisions left to test after this (roughly 11 steps) [c01aebeef3ce45f696ffa0a1303cea9b34babb45] drm/amd: Fix an error handling mistake in psp_sw_init() testing commit c01aebeef3ce45f696ffa0a1303cea9b34babb45 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b3180f5aa0cdcb1d0a14baa5cf92c68cf9e49384c752d4f5d047452bad8db317 all runs: OK false negative chance: 0.000 # git bisect good c01aebeef3ce45f696ffa0a1303cea9b34babb45 Bisecting: 920 revisions left to test after this (roughly 10 steps) [2dc2b3922d3c0f52d3a792d15dcacfbc4cc76b8f] net/mlx5: Allow 0 for total host VFs testing commit 2dc2b3922d3c0f52d3a792d15dcacfbc4cc76b8f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f7d302ecd6817487b1734597a461374632922b313dc8694377156ed55644cd1 all runs: OK false negative chance: 0.000 # git bisect good 2dc2b3922d3c0f52d3a792d15dcacfbc4cc76b8f Bisecting: 460 revisions left to test after this (roughly 9 steps) [2fc8d02058dbec258039c3253ebd1f124766a796] MAINTAINERS: add content regex for gpio-regmap testing commit 2fc8d02058dbec258039c3253ebd1f124766a796 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a35c8fe3ad6f726db6cce828d69949a22745d0cc7b41bec3b90a3627ea405965 all runs: OK false negative chance: 0.000 # git bisect good 2fc8d02058dbec258039c3253ebd1f124766a796 Bisecting: 231 revisions left to test after this (roughly 8 steps) [2383ffc41a7c701c058f6bb18030cd569aecd541] Merge tag 'block-6.5-2023-08-19' of git://git.kernel.dk/linux testing commit 2383ffc41a7c701c058f6bb18030cd569aecd541 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1779f66452b13cb41e8a71a499916e9b0bf9802081bad18a65ec9be406080d78 all runs: OK false negative chance: 0.000 # git bisect good 2383ffc41a7c701c058f6bb18030cd569aecd541 Bisecting: 103 revisions left to test after this (roughly 7 steps) [b5cc3833f13ace75e26e3f7b51cd7b6da5e9cf17] Merge tag 'net-6.5-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit b5cc3833f13ace75e26e3f7b51cd7b6da5e9cf17 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7eb19588ccdae19b953d1629435d8a8d51fc057d85d829c41956c3cca29bd207 all runs: OK false negative chance: 0.000 # git bisect good b5cc3833f13ace75e26e3f7b51cd7b6da5e9cf17 Bisecting: 51 revisions left to test after this (roughly 6 steps) [98c6b8a558d26d3c334986146d9d03ece5f25dec] Merge tag 'gpio-fixes-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux testing commit 98c6b8a558d26d3c334986146d9d03ece5f25dec gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 46b7d8876de9fdcae53b5f2bd5c2976c88e0ff9ddbaef54e326cf07f41e8da18 all runs: OK false negative chance: 0.000 # git bisect good 98c6b8a558d26d3c334986146d9d03ece5f25dec Bisecting: 26 revisions left to test after this (roughly 5 steps) [382d4cd1847517ffcb1800fd462b625db7b2ebea] lib/clz_ctz.c: Fix __clzdi2() and __ctzdi2() for 32-bit kernels testing commit 382d4cd1847517ffcb1800fd462b625db7b2ebea gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9cf773ca3847cc328eb2f496cb115ccc52f0dc26f8a69eca8a9a014468799daf all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] # git bisect bad 382d4cd1847517ffcb1800fd462b625db7b2ebea Bisecting: 12 revisions left to test after this (roughly 4 steps) [2f406263e3e954aa24c1248edcfa9be0c1bb30fa] madvise:madvise_cold_or_pageout_pte_range(): don't use mapcount() against large folio for sharing check testing commit 2f406263e3e954aa24c1248edcfa9be0c1bb30fa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b033daa4b7a0393ecae078d928a635ebe262345b3e3d808e4107d9cb401a5614 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] # git bisect bad 2f406263e3e954aa24c1248edcfa9be0c1bb30fa Bisecting: 5 revisions left to test after this (roughly 3 steps) [f83913f8c5b882a312e72b7669762f8a5c9385e4] nilfs2: fix general protection fault in nilfs_lookup_dirty_data_buffers() testing commit f83913f8c5b882a312e72b7669762f8a5c9385e4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0024efcffd0535f584920c20001280c330d07325b101894c3019442cefd23df8 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] # git bisect bad f83913f8c5b882a312e72b7669762f8a5c9385e4 Bisecting: 2 revisions left to test after this (roughly 2 steps) [49b0638502da097c15d46cd4e871dbaa022caf7c] mm: enable page walking API to lock vmas during the walk testing commit 49b0638502da097c15d46cd4e871dbaa022caf7c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f0d2d61286f5dce0c9c4311e43f57daceda4505e46c904967ed72c30ca882072 all runs: crashed: kernel BUG in vma_replace_policy representative crash: kernel BUG in vma_replace_policy, types: [BUG] # git bisect bad 49b0638502da097c15d46cd4e871dbaa022caf7c Bisecting: 0 revisions left to test after this (roughly 1 step) [8b9c1cc0418a43196477083e7082568e7a4c9418] smaps: use vm_normal_page_pmd() instead of follow_trans_huge_pmd() testing commit 8b9c1cc0418a43196477083e7082568e7a4c9418 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d42adced2a161f0d0f810345d6b66fa3a3f89566bb9688f65c76ab0bff766d57 all runs: OK false negative chance: 0.000 # git bisect good 8b9c1cc0418a43196477083e7082568e7a4c9418 49b0638502da097c15d46cd4e871dbaa022caf7c is the first bad commit commit 49b0638502da097c15d46cd4e871dbaa022caf7c Author: Suren Baghdasaryan Date: Fri Aug 4 08:27:19 2023 -0700 mm: enable page walking API to lock vmas during the walk walk_page_range() and friends often operate under write-locked mmap_lock. With introduction of vma locks, the vmas have to be locked as well during such walks to prevent concurrent page faults in these areas. Add an additional member to mm_walk_ops to indicate locking requirements for the walk. The change ensures that page walks which prevent concurrent page faults by write-locking mmap_lock, operate correctly after introduction of per-vma locks. With per-vma locks page faults can be handled under vma lock without taking mmap_lock at all, so write locking mmap_lock would not stop them. The change ensures vmas are properly locked during such walks. A sample issue this solves is do_mbind() performing queue_pages_range() to queue pages for migration. Without this change a concurrent page can be faulted into the area and be left out of migration. Link: https://lkml.kernel.org/r/20230804152724.3090321-2-surenb@google.com Signed-off-by: Suren Baghdasaryan Suggested-by: Linus Torvalds Suggested-by: Jann Horn Cc: David Hildenbrand Cc: Davidlohr Bueso Cc: Hugh Dickins Cc: Johannes Weiner Cc: Laurent Dufour Cc: Liam Howlett Cc: Matthew Wilcox (Oracle) Cc: Michal Hocko Cc: Michel Lespinasse Cc: Peter Xu Cc: Vlastimil Babka Cc: Signed-off-by: Andrew Morton arch/powerpc/mm/book3s64/subpage_prot.c | 1 + arch/riscv/mm/pageattr.c | 1 + arch/s390/mm/gmap.c | 5 +++++ fs/proc/task_mmu.c | 5 +++++ include/linux/pagewalk.h | 11 ++++++++++ mm/damon/vaddr.c | 2 ++ mm/hmm.c | 1 + mm/ksm.c | 25 ++++++++++++++--------- mm/madvise.c | 3 +++ mm/memcontrol.c | 2 ++ mm/memory-failure.c | 1 + mm/mempolicy.c | 22 ++++++++++++-------- mm/migrate_device.c | 1 + mm/mincore.c | 1 + mm/mlock.c | 1 + mm/mprotect.c | 1 + mm/pagewalk.c | 36 ++++++++++++++++++++++++++++++--- mm/vmscan.c | 1 + 18 files changed, 100 insertions(+), 20 deletions(-) accumulated error probability: 0.00 culprit signature: f0d2d61286f5dce0c9c4311e43f57daceda4505e46c904967ed72c30ca882072 parent signature: d42adced2a161f0d0f810345d6b66fa3a3f89566bb9688f65c76ab0bff766d57 revisions tested: 22, total time: 6h40m40.463501844s (build: 3h45m21.822620756s, test: 2h10m26.615286515s) first bad commit: 49b0638502da097c15d46cd4e871dbaa022caf7c mm: enable page walking API to lock vmas during the walk recipients (to): ["agordeev@linux.ibm.com" "akpm@linux-foundation.org" "akpm@linux-foundation.org" "aou@eecs.berkeley.edu" "damon@lists.linux.dev" "gerald.schaefer@linux.ibm.com" "gor@linux.ibm.com" "hca@linux.ibm.com" "jglisse@redhat.com" "linux-fsdevel@vger.kernel.org" "linux-mm@kvack.org" "linux-riscv@lists.infradead.org" "linux-s390@vger.kernel.org" "naoya.horiguchi@nec.com" "palmer@dabbelt.com" "paul.walmsley@sifive.com" "sj@kernel.org" "surenb@google.com"] recipients (cc): ["42.hyeyoo@gmail.com" "Liam.Howlett@Oracle.com" "alexghiti@rivosinc.com" "borntraeger@linux.ibm.com" "cgroups@vger.kernel.org" "christophe.leroy@csgroup.eu" "david@redhat.com" "frankja@linux.ibm.com" "hannes@cmpxchg.org" "imbrenda@linux.ibm.com" "jeeheng.sia@starfivetech.com" "kvm@vger.kernel.org" "leyfoon.tan@starfivetech.com" "linmiaohe@huawei.com" "linux-kernel@vger.kernel.org" "linuxppc-dev@lists.ozlabs.org" "mason.huo@starfivetech.com" "mhocko@kernel.org" "mpe@ellerman.id.au" "muchun.song@linux.dev" "npiggin@gmail.com" "roman.gushchin@linux.dev" "sebastian.reichel@collabora.com" "shakeelb@google.com" "surenb@google.com" "svens@linux.ibm.com" "willy@infradead.org"] crash: kernel BUG in vma_replace_policy vma ffff888111755a50 start 0000000020c2a000 end 0000000021000000 mm ffff88810069bd40 prot 25 anon_vma 0000000000000000 vm_ops 0000000000000000 pgoff 20c2a file 0000000000000000 private_data 0000000000000000 flags: 0x100077(read|write|exec|mayread|maywrite|mayexec|account) ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:731! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 2277 Comm: syz-executor.0 Not tainted 6.5.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:vma_assert_write_locked include/linux/mm.h:731 [inline] RIP: 0010:vma_assert_write_locked include/linux/mm.h:727 [inline] RIP: 0010:vma_replace_policy+0x15f/0x170 mm/mempolicy.c:783 Code: 0f 85 5f ff ff ff 48 8b 3d 26 b3 7a 03 48 89 ee 89 44 24 04 e8 42 b8 00 00 8b 44 24 04 e9 43 ff ff ff 48 89 df e8 91 21 fa ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 66 0f 1f 00 53 RSP: 0018:ffffc900028a3e08 EFLAGS: 00010296 RAX: 0000000000000110 RBX: ffff888111755a50 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff82daaa97 RDI: 00000000ffffffff RBP: ffff8881027b5060 R08: 0000000000000000 R09: ffffffff832964c0 R10: ffffc900028a3c80 R11: ffffffff83376508 R12: ffff88810069bd40 R13: 0000000020ffffff R14: ffff88810069bd40 R15: ffff8881027b5060 FS: 00007fb9cb6606c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000208f9f09 CR3: 0000000111662000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_mbind+0x385/0x4f0 mm/mempolicy.c:1345 kernel_mbind+0xae/0xc0 mm/mempolicy.c:1502 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb9ca87cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb9cb6600c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007fb9ca99bf80 RCX: 00007fb9ca87cae9 RDX: 0000000000000004 RSI: 0000000000c00000 RDI: 0000000020400000 RBP: 00007fb9ca8c847a R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007fb9ca99bf80 R15: 00007ffec90e9b18 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vma_assert_write_locked include/linux/mm.h:731 [inline] RIP: 0010:vma_assert_write_locked include/linux/mm.h:727 [inline] RIP: 0010:vma_replace_policy+0x15f/0x170 mm/mempolicy.c:783 Code: 0f 85 5f ff ff ff 48 8b 3d 26 b3 7a 03 48 89 ee 89 44 24 04 e8 42 b8 00 00 8b 44 24 04 e9 43 ff ff ff 48 89 df e8 91 21 fa ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 66 0f 1f 00 53 RSP: 0018:ffffc900028a3e08 EFLAGS: 00010296 RAX: 0000000000000110 RBX: ffff888111755a50 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff82daaa97 RDI: 00000000ffffffff RBP: ffff8881027b5060 R08: 0000000000000000 R09: ffffffff832964c0 R10: ffffc900028a3c80 R11: ffffffff83376508 R12: ffff88810069bd40 R13: 0000000020ffffff R14: ffff88810069bd40 R15: ffff8881027b5060 FS: 00007fb9cb6606c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000208f9f09 CR3: 0000000111662000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400