ci starts bisection 2023-08-20 02:27:46.927538442 +0000 UTC m=+134031.644900453 bisecting fixing commit since a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 building syzkaller on bfc478367b83b3fda580f54964aa9f3651beeb3d ensuring issue is reproducible on original commit a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 testing commit a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 57adbfa0a92d26b5d97d78b6612c39c98d44d892c0ff90b6282602f59610daea run #0: crashed: kernel BUG in validate_mm run #1: crashed: kernel BUG in validate_mm run #2: crashed: general protection fault in mt_validate run #3: crashed: KASAN: slab-out-of-bounds Read in mt_validate_nulls run #4: crashed: general protection fault in mt_validate run #5: crashed: general protection fault in mt_validate run #6: crashed: kernel BUG in validate_mm run #7: crashed: kernel BUG in validate_mm run #8: crashed: KASAN: slab-out-of-bounds Read in mt_validate_nulls run #9: crashed: general protection fault in mt_validate run #10: crashed: kernel BUG in validate_mm run #11: crashed: kernel BUG in validate_mm run #12: crashed: kernel BUG in validate_mm run #13: crashed: general protection fault in mt_validate run #14: crashed: KASAN: slab-out-of-bounds Read in mt_validate_nulls run #15: crashed: kernel BUG in validate_mm run #16: crashed: general protection fault in mt_validate run #17: crashed: WARNING in validate_mm run #18: crashed: KASAN: slab-out-of-bounds Read in mt_validate_nulls run #19: crashed: INFO: rcu detected stall in corrupted representative crash: kernel BUG in validate_mm, types: [BUG UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d08501e8635ed01dbd8c14bb14a9665683ef7812b9879c73ce3fb8cb748e019 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #3: crashed: kernel BUG in validate_mm run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #8: crashed: kernel BUG in validate_mm run #9: crashed: no output from test machine representative crash: BUG: unable to handle kernel NULL pointer dereference in mt_validate, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed kconfig minimization: base=3883 full=7627 leaves diff=1997 split chunks (needed=false): <1997> split chunk #0 of len 1997 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 15209ab035a143c9d284c400730afdf68b27946ab87297aa7952579ce53ffb70 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #1: crashed: WARNING in validate_mm run #2: crashed: kernel BUG in validate_mm run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1427651601" "root@10.128.1.174:./syz-executor1427651601"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.174, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.174 [10.128.1.174] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2 Connection timed out during banner exchange Connection to 10.128.1.174 port 22 timed out scp: Connection closed run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3147481058" "root@10.128.0.64:./syz-executor3147481058"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.64, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.64 [10.128.0.64] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2 Connection timed out during banner exchange Connection to 10.128.0.64 port 22 timed out scp: Connection closed run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1453977412" "root@10.128.10.30:./syz-executor1453977412"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.30, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.30 [10.128.10.30] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2 Connection timed out during banner exchange Connection to 10.128.10.30 port 22 timed out scp: Connection closed representative crash: BUG: unable to handle kernel NULL pointer dereference in mt_validate, types: [UNKNOWN WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4d6730287cb0c3f485e86d77ae6b003d480844ed97b63b10982b76307121a75 run #0: crashed: kernel BUG in validate_mm run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #7: crashed: WARNING in validate_mm run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1726863525" "root@10.128.0.206:./syz-executor1726863525"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.0.206, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.206 [10.128.0.206] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2 Connection timed out during banner exchange Connection to 10.128.0.206 port 22 timed out scp: Connection closed run #9: crashed: kernel BUG in validate_mm representative crash: BUG: unable to handle kernel NULL pointer dereference in mt_validate, types: [UNKNOWN BUG] 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 a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a76dccc7928824ea967db9469716016813123b22a250781dc5b3c2e0e519b340 run #0: crashed: kernel BUG in validate_mm run #1: crashed: WARNING in validate_mm run #2: crashed: WARNING in validate_mm run #3: crashed: kernel BUG in validate_mm run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in validate_mm, types: [BUG 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 a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7ebdf79b62882e5529fdf12499773ff44e530dd37e151747ad0746a550f48ccc run #0: crashed: kernel BUG in validate_mm run #1: crashed: kernel BUG in validate_mm run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in validate_mm, types: [BUG] testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 28a4630b09c1630f142fd555367b23b2271a04128ba528377c27070519425d7e run #0: crashed: kernel BUG in validate_mm run #1: crashed: WARNING in validate_mm run #2: crashed: WARNING in validate_mm run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #4: crashed: WARNING in validate_mm run #5: crashed: kernel BUG in validate_mm run #6: crashed: kernel BUG in validate_mm run #7: crashed: kernel BUG in validate_mm run #8: crashed: kernel BUG in validate_mm run #9: crashed: kernel BUG in validate_mm run #10: crashed: kernel BUG in validate_mm run #11: crashed: kernel BUG in validate_mm run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #13: crashed: kernel BUG in validate_mm run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in validate_mm, types: [BUG WARNING] the chunk can be dropped minimized to 400 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_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 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 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_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_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_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_CONFIGFS_F_LB_SS 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing current HEAD 9e6c269de404bef2fb50b9407e988083a0805e3b testing commit 9e6c269de404bef2fb50b9407e988083a0805e3b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 745ae53fdf4b42a1bd65b8136c613eab85ebd4a45a4e3b238c5b4e702eb46c69 all runs: OK false negative chance: 0.000 # git bisect start 9e6c269de404bef2fb50b9407e988083a0805e3b a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 Bisecting: 2146 revisions left to test after this (roughly 11 steps) [986ffe6070d661650f8198069f6f3c228e23bca0] Merge tag 'fsnotify_for_v6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit 986ffe6070d661650f8198069f6f3c228e23bca0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dec1394f5ca2ba753ab121ea955c5ebd33dd480d8db8f85c30bcaa3767226a7f all runs: OK false negative chance: 0.000 # git bisect bad 986ffe6070d661650f8198069f6f3c228e23bca0 Bisecting: 1073 revisions left to test after this (roughly 10 steps) [02676ecca76cea4316c8a1e867850d88f6149806] Merge tag 'rproc-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit 02676ecca76cea4316c8a1e867850d88f6149806 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fa3cf365cf81039ba3ea1a24506030946c0aed7da09c5ac9531f520a82e16cfd all runs: OK false negative chance: 0.000 # git bisect bad 02676ecca76cea4316c8a1e867850d88f6149806 Bisecting: 522 revisions left to test after this (roughly 9 steps) [868a9fd9480785952336e5f119e1f75877c423a8] Merge tag 'tty-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit 868a9fd9480785952336e5f119e1f75877c423a8 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55a4cca0fe01a601f0587f2b9fb333c4f32dcb8b488c881efb4363edf38357af all runs: OK false negative chance: 0.000 # git bisect bad 868a9fd9480785952336e5f119e1f75877c423a8 Bisecting: 291 revisions left to test after this (roughly 8 steps) [adfdaf81f9d48d8618a4d8296567248170fe7bcc] bsr: fix build problem with bsr_class static cleanup determine whether the revision contains the guilty commit checking the merge base 9561de3a55bed6bdd44a12820ba81ec416e705a7 no existing result, test the revision testing commit 9561de3a55bed6bdd44a12820ba81ec416e705a7 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 556cb021fb2ba5f9cc26e1abfd640759c0e91ac2fb69022bdd2787675e1e8ca7 all runs: OK false negative chance: 0.000 the bug was not introduced yet; pretend that kernel crashed # git bisect good adfdaf81f9d48d8618a4d8296567248170fe7bcc Bisecting: 141 revisions left to test after this (roughly 7 steps) [0a8d6c9c7128a93689fba384cdd7f72b0ce19abd] Merge tag 'backlight-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit 0a8d6c9c7128a93689fba384cdd7f72b0ce19abd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c6c41f3a85f81aba1a0dfe2d35d036ea0533dfb9e4b6dc9bdcc50f22c3dd7364 all runs: OK false negative chance: 0.000 # git bisect bad 0a8d6c9c7128a93689fba384cdd7f72b0ce19abd Bisecting: 62 revisions left to test after this (roughly 6 steps) [b8ec70ab66b09ee9e081a38b8625b5accb388176] Merge tag 'mfd-next-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit b8ec70ab66b09ee9e081a38b8625b5accb388176 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bbfd5dc59cc3b96dec31e10a84c9f84f3348374c2ac1af65e92c925b2f622894 all runs: OK false negative chance: 0.000 # git bisect bad b8ec70ab66b09ee9e081a38b8625b5accb388176 Bisecting: 43 revisions left to test after this (roughly 6 steps) [c7fe3bbfd622b5ee2341f38421217f56629832a1] mfd: core: Use of_property_read_reg() to parse "reg" determine whether the revision contains the guilty commit checking the merge base 75c8cb2f4cb218aaf4ea68cab08d6dbc96eeae15 no existing result, test the revision testing commit 75c8cb2f4cb218aaf4ea68cab08d6dbc96eeae15 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 80503efd2b42b183ed6127e8b5aba9c6994e6e31c233e5ff4bc9549f9786ea6a all runs: OK false negative chance: 0.000 the bug was not introduced yet; pretend that kernel crashed # git bisect good c7fe3bbfd622b5ee2341f38421217f56629832a1 Bisecting: 22 revisions left to test after this (roughly 5 steps) [1b733a9ebc3d8011ca66ec6ff17f55a440358794] rtc: Add rtc driver for the Loongson family chips determine whether the revision contains the guilty commit checking the merge base ac9a78681b921877518763ba0e89202254349d1b no existing result, test the revision testing commit ac9a78681b921877518763ba0e89202254349d1b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e414c715a98845b875b9047c7a4ce288a4344ca85f960599e6c67e1d0f68c418 all runs: OK false negative chance: 0.000 the bug was not introduced yet; pretend that kernel crashed # git bisect good 1b733a9ebc3d8011ca66ec6ff17f55a440358794 Bisecting: 9 revisions left to test after this (roughly 4 steps) [99bdeae21d254056a1072cb6de19e6f9b7f52496] Merge tag 'mailbox-v6.5' of git://git.linaro.org/landing-teams/working/fujitsu/integration determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit 99bdeae21d254056a1072cb6de19e6f9b7f52496 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 84e2f31de2567e7ab04e33d54ae68306f1c11aaa087546dfe2a9de1155464a29 all runs: OK false negative chance: 0.000 # git bisect bad 99bdeae21d254056a1072cb6de19e6f9b7f52496 Bisecting: 6 revisions left to test after this (roughly 3 steps) [a74195876b95fce5f1c5b051b8c3b01e1b18a83b] Merge tag 'i3c/for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit a74195876b95fce5f1c5b051b8c3b01e1b18a83b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aded7f4ee757b562356ec5a43819e124015a244e1ac80ccd9948c2ef133fc7a1 all runs: OK false negative chance: 0.000 # git bisect bad a74195876b95fce5f1c5b051b8c3b01e1b18a83b Bisecting: 2 revisions left to test after this (roughly 2 steps) [49b472ebc61de3d4aa7cc57539246bb39f6c5128] i3c: master: svc: add NACK check after start byte sent determine whether the revision contains the guilty commit checking the merge base ac9a78681b921877518763ba0e89202254349d1b the bug was not introduced yet; pretend that kernel crashed # git bisect good 49b472ebc61de3d4aa7cc57539246bb39f6c5128 Bisecting: 0 revisions left to test after this (roughly 1 step) [ae80b404198434e49e903dc3b1ba83e2c7bb3ee2] mm: validate the mm before dropping the mmap lock determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit ae80b404198434e49e903dc3b1ba83e2c7bb3ee2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e685cae44ba0a93d097d8f0f277d12f2be50d9f74a9ad3f19f734aecd06740f4 all runs: OK false negative chance: 0.000 # git bisect bad ae80b404198434e49e903dc3b1ba83e2c7bb3ee2 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f66066bc5136f25e36a2daff4896c768f18c211e] execve: always mark stack as growing down during early stack setup determine whether the revision contains the guilty commit revision a901a3568fd26ca9c4a82d8bc5ed5b3ed844d451 crashed and is reachable testing commit f66066bc5136f25e36a2daff4896c768f18c211e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71e24dcc7b9867a0006b0a742aa958e7a454beb9310fffe71b816b668714d647 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in mt_validate run #1: crashed: kernel BUG in validate_mm run #2: crashed: WARNING in validate_mm run #3: crashed: kernel BUG in validate_mm run #4: crashed: WARNING in validate_mm run #5: crashed: WARNING in validate_mm run #6: crashed: WARNING in validate_mm run #7: crashed: kernel BUG in validate_mm run #8: crashed: WARNING in validate_mm run #9: crashed: kernel BUG in validate_mm run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in validate_mm, types: [WARNING BUG] # git bisect good f66066bc5136f25e36a2daff4896c768f18c211e ae80b404198434e49e903dc3b1ba83e2c7bb3ee2 is the first bad commit commit ae80b404198434e49e903dc3b1ba83e2c7bb3ee2 Author: Linus Torvalds Date: Mon Jul 3 10:08:50 2023 -0700 mm: validate the mm before dropping the mmap lock Commit 408579cd627a ("mm: Update do_vmi_align_munmap() return semantics") made the return value and locking semantics of do_vmi_align_munmap() more straightforward, but in the process it ended up unlocking the mmap lock just a tad too early: the debug code doing the mmap layout validation still needs to run with the lock held, or things might change under it while it's trying to validate things. So just move the unlocking to after the validate_mm() call. Reported-by: kernel test robot Link: https://lore.kernel.org/lkml/ZKIsoMOT71uwCIZX@xsang-OptiPlex-9020/ Fixes: 408579cd627a ("mm: Update do_vmi_align_munmap() return semantics") Signed-off-by: Linus Torvalds mm/mmap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: e685cae44ba0a93d097d8f0f277d12f2be50d9f74a9ad3f19f734aecd06740f4 parent signature: 71e24dcc7b9867a0006b0a742aa958e7a454beb9310fffe71b816b668714d647 reproducer is flaky (0.60 repro chance estimate) revisions tested: 20, total time: 5h55m21.127097421s (build: 2h1m35.971870446s, test: 3h39m48.812557381s) first good commit: ae80b404198434e49e903dc3b1ba83e2c7bb3ee2 mm: validate the mm before dropping the mmap lock recipients (to): ["torvalds@linux-foundation.org"] recipients (cc): []