ci2 starts bisection 2024-08-18 13:56:04.285624732 +0000 UTC m=+136033.901057141 bisecting fixing commit since 48d525b0e4634c487cf46a41c1e2824e9ee258ce building syzkaller on 3ba885bcb66dec1678d8842ddeb6805786d32a3f ensuring issue is reproducible on original commit 48d525b0e4634c487cf46a41c1e2824e9ee258ce testing commit 48d525b0e4634c487cf46a41c1e2824e9ee258ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f1293fcf0eb6b16136270ab146b49b476a9aa795d04da61fef4abae0f2c7002a all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, 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 48d525b0e4634c487cf46a41c1e2824e9ee258ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e8f7fa537caabfc95d9f731555bf5156a1e9cc3d015e52b6d011bf033b21673 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3822 full=7455 leaves diff=1989 split chunks (needed=false): <1989> split chunk #0 of len 1989 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 48d525b0e4634c487cf46a41c1e2824e9ee258ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c00cd3656095aafe1ab07072f5000dbff9ef38e991cb6ac445528b4e7c25996b all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, 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 48d525b0e4634c487cf46a41c1e2824e9ee258ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6427ee3874d90135af62f8b85d854b779636a27e6fa0deabecc6fec7aa72faf7 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [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 48d525b0e4634c487cf46a41c1e2824e9ee258ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ecaf819faf732f2a1675de7999e5365753f0b494a71ee3592d749937de944d1d all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 48d525b0e4634c487cf46a41c1e2824e9ee258ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8291ca150e11896f63919fa733dfbe36cb11f3205ee1cf372d2dcc7f3191c549 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 48d525b0e4634c487cf46a41c1e2824e9ee258ce gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6236609a8612b0b7f0c567816a6902dbd71b05b0b77686558a056b70a7692164 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] the chunk can be dropped minimized to 398 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 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_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 PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE 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_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 STAGING_MEDIA 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_CONFIGFS_F_MIDI 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between 48d525b0e4634c487cf46a41c1e2824e9ee258ce and c3f2d783a459980eafd24c5af94ccd56a615961f 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 86349ba696a88848786c99e386585bd2b00d6b534a9c301cca218bf1a3742502 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] testing current HEAD c3f2d783a459980eafd24c5af94ccd56a615961f testing commit c3f2d783a459980eafd24c5af94ccd56a615961f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eff7418ecec59bd320f78c9b383e58ef21d88761d1a1755609968199f9a0f864 all runs: OK false negative chance: 0.000 # git bisect start c3f2d783a459980eafd24c5af94ccd56a615961f 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 78320 revisions left to test after this (roughly 16 steps) [a1fb841f9d189d257814562dacb3d65667f2a9c3] Merge tag 'wireless-next-2023-10-06' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit a1fb841f9d189d257814562dacb3d65667f2a9c3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 224e6fc1c30d89e36b4b2f4b6a43045947cd41908f7a0dbf6db8c724ca9ca787 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good a1fb841f9d189d257814562dacb3d65667f2a9c3 Bisecting: 38980 revisions left to test after this (roughly 15 steps) [9187210eee7d87eea37b45ea93454a88681894a4] Merge tag 'net-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision a1fb841f9d189d257814562dacb3d65667f2a9c3 crashed and is reachable testing commit 9187210eee7d87eea37b45ea93454a88681894a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8acdd96b40e50fa857a2fde99a47519570773bdc21c52d51ec3df72979ce65b6 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 9187210eee7d87eea37b45ea93454a88681894a4 Bisecting: 19508 revisions left to test after this (roughly 14 steps) [16e00683dc74cf1fcdf00046b90852bee05eb94a] smb3: reenable swapfiles over SMB3 mounts determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 16e00683dc74cf1fcdf00046b90852bee05eb94a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3ac060cf25e985bef0b144b327912d0c053f06ec48ab02728ce6e331fcbc09c2 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 16e00683dc74cf1fcdf00046b90852bee05eb94a Bisecting: 9471 revisions left to test after this (roughly 13 steps) [51835949dda3783d4639cfa74ce13a3c9829de00] Merge tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 51835949dda3783d4639cfa74ce13a3c9829de00 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a8e1a6373c97cbaaf5cd46eee3787634388a7cb81a77350f38575446eb5ec28c all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 51835949dda3783d4639cfa74ce13a3c9829de00 Bisecting: 4665 revisions left to test after this (roughly 12 steps) [a4f9285520584977127946a22eab2adfbc87d1bf] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux determine whether the revision contains the guilty commit revision 9187210eee7d87eea37b45ea93454a88681894a4 crashed and is reachable testing commit a4f9285520584977127946a22eab2adfbc87d1bf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7453c49b34c70eef8f6d7b77c4cfe5e3957d1ddfa0e5dbd2b9fe35eba3e54947 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good a4f9285520584977127946a22eab2adfbc87d1bf Bisecting: 2207 revisions left to test after this (roughly 11 steps) [fbc90c042cd1dc7258ebfebe6d226017e5b5ac8c] Merge tag 'mm-stable-2024-07-21-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision a1fb841f9d189d257814562dacb3d65667f2a9c3 crashed and is reachable testing commit fbc90c042cd1dc7258ebfebe6d226017e5b5ac8c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a7fa80582bc7a66725782f2515e41fe834efe6cc776c62cd551360624320488 all runs: OK false negative chance: 0.000 # git bisect bad fbc90c042cd1dc7258ebfebe6d226017e5b5ac8c Bisecting: 1249 revisions left to test after this (roughly 10 steps) [8e5c0abfa02d85b9cd2419567ad2d73ed8fe4b74] Merge tag 'input-for-v6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 8e5c0abfa02d85b9cd2419567ad2d73ed8fe4b74 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d05dfc1c2fad893dbd1f9ee6f9e1232d2d2e89103cb164a02127c41e5f1503de all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 8e5c0abfa02d85b9cd2419567ad2d73ed8fe4b74 Bisecting: 550 revisions left to test after this (roughly 9 steps) [2c9b3512402ed192d1f43f4531fb5da947e72bd0] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision 9187210eee7d87eea37b45ea93454a88681894a4 crashed and is reachable testing commit 2c9b3512402ed192d1f43f4531fb5da947e72bd0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e802f04c938f6ca1e4cd87b1d9e09e9d521309ce17f9e48d01634488f1a7b7c all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 2c9b3512402ed192d1f43f4531fb5da947e72bd0 Bisecting: 275 revisions left to test after this (roughly 8 steps) [87024f5837485c2f9541283747428df54c0f9183] mm: memcg: rename soft limit reclaim-related functions determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 87024f5837485c2f9541283747428df54c0f9183 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e5d1640573e4d9a3b97d3d01a186b190e6d908515e87b3922bd306f09e2e242 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 87024f5837485c2f9541283747428df54c0f9183 Bisecting: 137 revisions left to test after this (roughly 7 steps) [7846b618e0a4c3e08888099d1d4512722b39ca99] Merge tag 'rtc-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux determine whether the revision contains the guilty commit revision 16e00683dc74cf1fcdf00046b90852bee05eb94a crashed and is reachable testing commit 7846b618e0a4c3e08888099d1d4512722b39ca99 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb76dfde23b03f9ce4bd4edb85c62ba38ca6fc8aa6ec45565bf94257ef30fd68 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 7846b618e0a4c3e08888099d1d4512722b39ca99 Bisecting: 68 revisions left to test after this (roughly 6 steps) [0c8b91ef5100eaed3d64123ac91ac4739fccf15c] udmabuf: add back support for mapping hugetlb pages determine whether the revision contains the guilty commit revision 87024f5837485c2f9541283747428df54c0f9183 crashed and is reachable testing commit 0c8b91ef5100eaed3d64123ac91ac4739fccf15c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ce5a0ae305d23865840a68e3dd15defd77256fe6279fe213711310dbfc5d495e all runs: OK false negative chance: 0.000 # git bisect bad 0c8b91ef5100eaed3d64123ac91ac4739fccf15c Bisecting: 34 revisions left to test after this (roughly 5 steps) [8ef6fd0e9ea83a792ba53882ddc6e0d38ce0d636] Merge branch 'mm-hotfixes-stable' into mm-stable to pick up "mm: fix crashes from deferred split racing folio migration", needed by "mm: migrate: split folio_migrate_mapping()". determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 8ef6fd0e9ea83a792ba53882ddc6e0d38ce0d636 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5b3842c9393c21d934c60b25ab1f0bf39c96f7f7ebcccbea9c2f9046b1d35093 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 8ef6fd0e9ea83a792ba53882ddc6e0d38ce0d636 Bisecting: 17 revisions left to test after this (roughly 4 steps) [5fb9f0448fd9888e276fa5872fc37f27ae3f8acc] Docs/mm/damon/index: add links to design determine whether the revision contains the guilty commit revision 87024f5837485c2f9541283747428df54c0f9183 crashed and is reachable testing commit 5fb9f0448fd9888e276fa5872fc37f27ae3f8acc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7361bc1512e576b8f63c96cc806821a6c83a0ce9458749997bce268657750bb2 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 5fb9f0448fd9888e276fa5872fc37f27ae3f8acc Bisecting: 8 revisions left to test after this (roughly 3 steps) [259043e3b730e0aa6408bff27af7edf7a5c9101c] mm: zswap: fix zswap_never_enabled() for CONFIG_ZSWAP==N determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 259043e3b730e0aa6408bff27af7edf7a5c9101c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0e62439877509fb3c066bd6b81061b7ee5f1b5d9bdb24edb6fc66bc0a35c969a all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 259043e3b730e0aa6408bff27af7edf7a5c9101c Bisecting: 4 revisions left to test after this (roughly 2 steps) [6cc040542ba7b2c60e5119cd04d841fcf048c872] mm/gup: introduce unpin_folio/unpin_folios helpers determine whether the revision contains the guilty commit revision 87024f5837485c2f9541283747428df54c0f9183 crashed and is reachable testing commit 6cc040542ba7b2c60e5119cd04d841fcf048c872 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40f1a99b17b25671cace6942ddc655fa50d107a3e0651696a622fb61ffb80cb9 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 6cc040542ba7b2c60e5119cd04d841fcf048c872 Bisecting: 2 revisions left to test after this (roughly 1 step) [89c1905d9c140372b7f50ef48f42378cf85d9bc5] mm/gup: introduce memfd_pin_folios() for pinning memfd folios determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 89c1905d9c140372b7f50ef48f42378cf85d9bc5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: de4f2a1d5f3231a9a6efc9e5cfd1d018cba5f88e037708d2956f4f61f972a94f all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 89c1905d9c140372b7f50ef48f42378cf85d9bc5 Bisecting: 0 revisions left to test after this (roughly 1 step) [7d79cd784470395539bda91bf0b3505ff5b2ab6d] udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap determine whether the revision contains the guilty commit revision a1fb841f9d189d257814562dacb3d65667f2a9c3 crashed and is reachable testing commit 7d79cd784470395539bda91bf0b3505ff5b2ab6d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef60ec0bee85dd887b22b2550b5d14a19fea1754577c897dec96407ac00d0a9f all runs: OK false negative chance: 0.000 # git bisect bad 7d79cd784470395539bda91bf0b3505ff5b2ab6d Bisecting: 0 revisions left to test after this (roughly 0 steps) [725553d202dda60dc17a142c80fd96bdf6ca43db] udmabuf: add CONFIG_MMU dependency determine whether the revision contains the guilty commit revision 8ef6fd0e9ea83a792ba53882ddc6e0d38ce0d636 crashed and is reachable testing commit 725553d202dda60dc17a142c80fd96bdf6ca43db gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 46e5092037121d0bb8ef1cf868d19a335b8c469386db1e141842c8dcc03a4f07 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] # git bisect good 725553d202dda60dc17a142c80fd96bdf6ca43db 7d79cd784470395539bda91bf0b3505ff5b2ab6d is the first bad commit commit 7d79cd784470395539bda91bf0b3505ff5b2ab6d Author: Vivek Kasireddy Date: Sun Jun 23 23:36:13 2024 -0700 udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap Add VM_PFNMAP to vm_flags in the mmap handler to ensure that the mappings would be managed without using struct page. And, in the vm_fault handler, use vmf_insert_pfn to share the page's pfn to userspace instead of directly sharing the page (via struct page *). Link: https://lkml.kernel.org/r/20240624063952.1572359-6-vivek.kasireddy@intel.com Signed-off-by: Vivek Kasireddy Suggested-by: David Hildenbrand Acked-by: David Hildenbrand Acked-by: Dave Airlie Acked-by: Gerd Hoffmann Cc: Daniel Vetter Cc: Hugh Dickins Cc: Peter Xu Cc: Jason Gunthorpe Cc: Dongwon Kim Cc: Junxiao Chang Cc: Arnd Bergmann Cc: Christoph Hellwig Cc: Christoph Hellwig Cc: Matthew Wilcox (Oracle) Cc: Mike Kravetz Cc: Oscar Salvador Cc: Shuah Khan Signed-off-by: Andrew Morton drivers/dma-buf/udmabuf.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) accumulated error probability: 0.00 culprit signature: ef60ec0bee85dd887b22b2550b5d14a19fea1754577c897dec96407ac00d0a9f parent signature: 46e5092037121d0bb8ef1cf868d19a335b8c469386db1e141842c8dcc03a4f07 revisions tested: 27, total time: 5h29m35.781380938s (build: 3h16m15.709703758s, test: 2h1m2.764873209s) first good commit: 7d79cd784470395539bda91bf0b3505ff5b2ab6d udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap recipients (to): ["airlied@redhat.com" "akpm@linux-foundation.org" "david@redhat.com" "kraxel@redhat.com" "vivek.kasireddy@intel.com"] recipients (cc): []