ci starts bisection 2023-09-15 06:39:39.276280408 +0000 UTC m=+156923.295404425 bisecting cause commit starting from db906f0ca6bb55b7237b880e06ec2fc95ab67e16 building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84 ensuring issue is reproducible on original commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bbdf0d3bd9eee6ea366e53bff29fcc54f5263172000021a475587b17fc4b83fc 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ee64cdc365ec5bd016771b2bfa3f276f1fe3117f03fc2c4d6a4ad1cba1013d37 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3883 full=7690 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 db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 188e6f3e7cc0ebd6249cccaf209fd9235fabc420c1cffecaaa54837b6e186b66 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 [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71eeb41d75bf1316f4d59c6f86eacfe7ccf05cdd73480f4d87e76c46f74d377f 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 [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c5dd5fe40494b7075cd0d073d76188f9cdb6a8255a654c082c8daedcf14c35b0 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ae4196a4ae294dcead9188481720951ad6894fc4814facec42c9f8a3ff3b1ce all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit db906f0ca6bb55b7237b880e06ec2fc95ab67e16 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 049f151f270734af89416ba5129c7f7db07f2b7229b1e5c7d52d704b88f79dc5 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 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed picked [v6.5 v6.4 v6.3 v6.1 v5.19 v5.17 v5.15 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 28 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: a39751935675d0b9e2e4d1c2a090dd84f2b3ed29bc651e93ff2607f6cf929c93 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, 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: 83ef6ef2bfc6993494730861bfbe12f045a05623ed5262c08bd2ba62eefd67ec all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] testing release v6.3 testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b1ffe56b8ce685ffad3d69ddd551bedeef62394598c88e8f417de5a3dcfa35d all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] testing release v6.1 testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40f436fb1cb61dd326dd7ea596713ac3f677fa902107c2ada237748590c32fa8 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aa7683b92bf55fd78333201753bab5ae706ac7e79e3b24cc7268ff584bce47f5 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3979dbfc5d8ad731f706f13191a00a76537954da4d91483c61972e7e90f0ae00 all runs: crashed: kernel BUG in filemap_unaccount_folio representative crash: kernel BUG in filemap_unaccount_folio, types: [BUG] testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92bf00caf0d1e1d7eb525f884fc09affa19f898903ccd1facc9b1212e94b5728 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c615aab52097eb61fee9da18b16bce9662cf7a58723c4041444f3c2f1faa5de3 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 92a7a12f837876c02a884ae8da3ac40cdb7b45cb667b21b36ec583a89d5f39ad all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0a32d882c545ebac15e39ae6a8129f2969c10647665c866e55ab09fdd34499f9 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c304c7fdffedca627eda236b818fe2e48dc077220a06cee8a09146dee40843c4 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 38f3a0b0ecb558e6c0df7956afce4967433328150a1192a54a93546ab880c89c all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 9fe45bd70698af0121b0997e9992fcd7caf4a4eb6f6fc2e7c151c29e35f8fe7b all runs: OK false negative chance: 0.000 # git bisect start e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d Bisecting: 21557 revisions left to test after this (roughly 14 steps) [3b6fd6ffb27c2efa003c6d4d15ca72c054b71d7c] drivers/base/memory.c: remove an unnecessary check on NR_MEM_SECTIONS testing commit 3b6fd6ffb27c2efa003c6d4d15ca72c054b71d7c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 15268bdfc0e95c0356900e959c13bdfe1d96e71f04b1ea9064390084d0fc7ed5 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad 3b6fd6ffb27c2efa003c6d4d15ca72c054b71d7c Bisecting: 10917 revisions left to test after this (roughly 13 steps) [c38239b4be1ac7e4bcf5bbd971353bae51525b8f] Merge branch 'parisc-4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux testing commit c38239b4be1ac7e4bcf5bbd971353bae51525b8f gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: a5f547df862d9b441cf56a09f7aaa5684749858c00c5000a2bff08012df6a7b6 all runs: OK false negative chance: 0.000 # git bisect good c38239b4be1ac7e4bcf5bbd971353bae51525b8f Bisecting: 5462 revisions left to test after this (roughly 12 steps) [a01aa7680e3dea204c64bb245dc7a6c46e2e15f9] Merge branch 'hns3-next' testing commit a01aa7680e3dea204c64bb245dc7a6c46e2e15f9 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: de42e2eb84d389478001770c723f96d28b2fb220907676f9ecdc3ba3cf106312 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad a01aa7680e3dea204c64bb245dc7a6c46e2e15f9 Bisecting: 2723 revisions left to test after this (roughly 11 steps) [ef268de19756e6bc78cd3e6d9b15545f7df97ef2] Merge tag 'powerpc-4.20-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux testing commit ef268de19756e6bc78cd3e6d9b15545f7df97ef2 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: c3bf246b2935e822c68f2975332033c9971f0aa27116f5125155863809b7a425 all runs: OK false negative chance: 0.000 # git bisect good ef268de19756e6bc78cd3e6d9b15545f7df97ef2 Bisecting: 1361 revisions left to test after this (roughly 10 steps) [71844fac1ed459024dd2a448d63d5b28b8c87daa] nfp: add locking around representor changes testing commit 71844fac1ed459024dd2a448d63d5b28b8c87daa gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 953a425cd4c180f43b0fdd2b790e9ecac7d488e2473004a755418da2e0a6e4cd all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad 71844fac1ed459024dd2a448d63d5b28b8c87daa Bisecting: 680 revisions left to test after this (roughly 9 steps) [5572c815603b316d0807f18fbfabace7572cc0e2] vxlan: __vxlan_fdb_delete(): Drop unused argument vid testing commit 5572c815603b316d0807f18fbfabace7572cc0e2 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 6ee4894109928ee947e770ccc1163e2f2b0e9cbb69dec33c888b175a86d30cc2 all runs: OK false negative chance: 0.000 # git bisect good 5572c815603b316d0807f18fbfabace7572cc0e2 Bisecting: 364 revisions left to test after this (roughly 8 steps) [4bffc669d6248d655aeb985a0e51bfaaf21c8b40] net: remove unsafe skb_insert() testing commit 4bffc669d6248d655aeb985a0e51bfaaf21c8b40 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b7e99fd6e72a0ecd6e658c56c44dc092a7c09f85f6176b54a979f5e9b026d64b all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad 4bffc669d6248d655aeb985a0e51bfaaf21c8b40 Bisecting: 168 revisions left to test after this (roughly 7 steps) [abe72ff4134028ff2189d29629c40a40bee0a989] Merge tag 'xfs-4.20-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit abe72ff4134028ff2189d29629c40a40bee0a989 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: d2266fe7dfe4a428ad553a6a5b0aec37b9c704bd6e62e74fcb43969aa00c137f all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad abe72ff4134028ff2189d29629c40a40bee0a989 Bisecting: 75 revisions left to test after this (roughly 6 steps) [52465bce85a2d28bcec5cba5a645bb610367ab1b] Merge tag 'char-misc-4.20-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc testing commit 52465bce85a2d28bcec5cba5a645bb610367ab1b gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: aea1fc955cc2e05fb03f17f70a6e4864559c3319bf2c1b50327553f6691aeb5a all runs: OK false negative chance: 0.000 # git bisect good 52465bce85a2d28bcec5cba5a645bb610367ab1b Bisecting: 37 revisions left to test after this (roughly 5 steps) [e6005d3c42336074de3745718ac85807dd6e1e6a] Merge tag 'gpio-v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio testing commit e6005d3c42336074de3745718ac85807dd6e1e6a gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ce993591cd243593939b126b76b8aed2f894f12542947905beccf8ab9ec87a0a all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad e6005d3c42336074de3745718ac85807dd6e1e6a Bisecting: 21 revisions left to test after this (roughly 4 steps) [8cf6f361eb76bf7fca85bde15a0a9316fa124c0c] Merge branch 'drm-fixes-4.20' of git://people.freedesktop.org/~agd5f/linux into drm-fixes testing commit 8cf6f361eb76bf7fca85bde15a0a9316fa124c0c gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 288198c59c42084a6f558639b791b6fbe877d5be47791f9c8f3a3424bf3d8fd2 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad 8cf6f361eb76bf7fca85bde15a0a9316fa124c0c Bisecting: 7 revisions left to test after this (roughly 3 steps) [1d74f133252fab157b9bcd4c710cee7ffcdd01c1] Merge tag 'drm-misc-fixes-2018-11-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes testing commit 1d74f133252fab157b9bcd4c710cee7ffcdd01c1 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 288198c59c42084a6f558639b791b6fbe877d5be47791f9c8f3a3424bf3d8fd2 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad 1d74f133252fab157b9bcd4c710cee7ffcdd01c1 Bisecting: 3 revisions left to test after this (roughly 2 steps) [8fd3b90300bec541806dac271de2fd44e2e4e2d2] drm/fb-helper: Blacklist writeback when adding connectors to fbdev testing commit 8fd3b90300bec541806dac271de2fd44e2e4e2d2 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 812144d79c936768af3abee90302652abbf64aa2dce0930524b6e4063d68fd27 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad 8fd3b90300bec541806dac271de2fd44e2e4e2d2 Bisecting: 1 revision left to test after this (roughly 1 step) [fcc86cb45d38ca2f24bcea9c29c7f4742041caed] drm/vc4: Set ->legacy_cursor_update to false when doing non-async updates testing commit fcc86cb45d38ca2f24bcea9c29c7f4742041caed gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ddfbe560f9c84cdf9a14164ca45532cfb6af1ecde9b2e49125735a643652a8f6 all runs: OK false negative chance: 0.000 # git bisect good fcc86cb45d38ca2f24bcea9c29c7f4742041caed Bisecting: 0 revisions left to test after this (roughly 0 steps) [5c074eeabbd332b11559f7fc1e89d456f94801fb] udmabuf: set read/write flag when exporting testing commit 5c074eeabbd332b11559f7fc1e89d456f94801fb gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 812144d79c936768af3abee90302652abbf64aa2dce0930524b6e4063d68fd27 all runs: crashed: kernel BUG in unaccount_page_cache_page representative crash: kernel BUG in unaccount_page_cache_page, types: [BUG] # git bisect bad 5c074eeabbd332b11559f7fc1e89d456f94801fb 5c074eeabbd332b11559f7fc1e89d456f94801fb is the first bad commit commit 5c074eeabbd332b11559f7fc1e89d456f94801fb Author: Gerd Hoffmann Date: Wed Nov 14 13:20:29 2018 +0100 udmabuf: set read/write flag when exporting Otherwise, mmap fails when done with PROT_WRITE. Suggested-by: Gurchetan Singh Signed-off-by: Gerd Hoffmann Reviewed-by: Gurchetan Singh Tested-by: Gurchetan Singh Link: http://patchwork.freedesktop.org/patch/msgid/20181114122029.16766-1-kraxel@redhat.com drivers/dma-buf/udmabuf.c | 1 + 1 file changed, 1 insertion(+) accumulated error probability: 0.00 culprit signature: 812144d79c936768af3abee90302652abbf64aa2dce0930524b6e4063d68fd27 parent signature: ddfbe560f9c84cdf9a14164ca45532cfb6af1ecde9b2e49125735a643652a8f6 revisions tested: 35, total time: 11h37m8.149257434s (build: 7h9m10.983051362s, test: 3h59m46.857789024s) first bad commit: 5c074eeabbd332b11559f7fc1e89d456f94801fb udmabuf: set read/write flag when exporting recipients (to): ["dri-devel@lists.freedesktop.org" "gurchetansingh@chromium.org" "kraxel@redhat.com" "linaro-mm-sig@lists.linaro.org" "linux-media@vger.kernel.org" "sumit.semwal@linaro.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: kernel BUG in unaccount_page_cache_page ksys_ioctl+0x62/0x90 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x15/0x20 fs/ioctl.c:718 do_syscall_64+0x4f/0x150 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:169! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 2654 Comm: syz-executor.0 Not tainted 4.20.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:unaccount_page_cache_page+0x224/0x350 mm/filemap.c:169 Code: 48 89 df e8 7e 59 04 00 0f 0b 48 c7 c6 18 32 89 82 48 89 df e8 6d 59 04 00 0f 0b 48 c7 c6 d8 3b 89 82 48 89 df e8 5c 59 04 00 <0f> 0b 0f 0b 8b 05 c6 9d cc 01 4d 8b 2c 24 85 c0 0f 85 b6 00 00 00 RSP: 0018:ffffc90000dc7ab0 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffea0004b6f380 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8288ed9a RDI: 00000000ffffffff RBP: ffffc90000dc7ac8 R08: 0000000000000000 R09: 00000000fc0bf177 R10: ffffffff82c5ee38 R11: ffff880130ad0870 R12: ffff8801365d87a0 R13: ffff8801365d87a0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f33e1ae0480(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f186f164b0 CR3: 00000001340f3000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __delete_from_page_cache+0x6f/0x300 mm/filemap.c:233 delete_from_page_cache+0x5b/0xa0 mm/filemap.c:269 truncate_inode_page+0x28/0x50 mm/truncate.c:227 shmem_undo_range+0x4f6/0xb40 mm/shmem.c:838 shmem_truncate_range+0xf/0x30 mm/shmem.c:966 shmem_evict_inode+0xbf/0x1d0 mm/shmem.c:1066 evict+0xcc/0x1a0 fs/inode.c:558 iput_final fs/inode.c:1547 [inline] iput fs/inode.c:1573 [inline] iput+0x18b/0x260 fs/inode.c:1559 dentry_unlink_inode+0xa8/0xe0 fs/dcache.c:360 __dentry_kill+0xd8/0x170 fs/dcache.c:552 dentry_kill+0x50/0x1b0 fs/dcache.c:671 dput.part.5+0x186/0x1d0 fs/dcache.c:832 dput+0x9/0x10 fs/dcache.c:814 __fput+0xe4/0x1e0 fs/file_table.c:291 ____fput+0x9/0x10 fs/file_table.c:309 task_work_run+0x89/0xb0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0xa2/0xb0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x13e/0x150 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f33e00479da Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007fff77fd4420 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f33e00479da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b2ff60000 R09: 00007f33e0167f8c R10: 00007fff77fd4570 R11: 0000000000000293 R12: 00007f33dfbcc4d0 R13: ffffffffffffffff R14: 00007f33dfbcc000 R15: 0000000000009a36 Modules linked in: ---[ end trace c96d6adb029d48a4 ]--- RIP: 0010:unaccount_page_cache_page+0x224/0x350 mm/filemap.c:169 Code: 48 89 df e8 7e 59 04 00 0f 0b 48 c7 c6 18 32 89 82 48 89 df e8 6d 59 04 00 0f 0b 48 c7 c6 d8 3b 89 82 48 89 df e8 5c 59 04 00 <0f> 0b 0f 0b 8b 05 c6 9d cc 01 4d 8b 2c 24 85 c0 0f 85 b6 00 00 00 RSP: 0018:ffffc90000dc7ab0 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffea0004b6f380 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8288ed9a RDI: 00000000ffffffff RBP: ffffc90000dc7ac8 R08: 0000000000000000 R09: 00000000fc0bf177 R10: ffffffff82c5ee38 R11: ffff880130ad0870 R12: ffff8801365d87a0 R13: ffff8801365d87a0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f33e1ae0480(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f186f164b0 CR3: 00000001340f3000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400