ci2 starts bisection 2024-04-24 03:09:49.993401409 +0000 UTC m=+70694.845968743 bisecting fixing commit since f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f building syzkaller on d216d8a03b50bef82eac746d227230835f061640 ensuring issue is reproducible on original commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f testing commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b063716de0311d93aa74c4efcb35d53b86375ccf3c46a3d102470b2173831cd run #0: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #1: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #2: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #3: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #4: crashed: KASAN: use-after-free Read in leaf_insert_into_buf run #5: crashed: KASAN: use-after-free Read in leaf_insert_into_buf run #6: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #7: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #8: crashed: KASAN: use-after-free Read in leaf_insert_into_buf run #9: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #10: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #11: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #12: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #13: crashed: KASAN: use-after-free Read in leaf_insert_into_buf run #14: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #15: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #16: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #17: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #18: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #19: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer representative crash: KASAN: out-of-bounds Read in leaf_paste_in_buffer, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7f75678a2f3cac5a9167f7abf53538159f5326cb746002f6cdfa740e5b385895 run #0: crashed: KASAN: use-after-free Read in leaf_insert_into_buf run #1: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #2: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #3: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #4: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #5: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #6: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #7: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #8: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #9: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer representative crash: KASAN: use-after-free Read in leaf_insert_into_buf, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3703 full=7269 leaves diff=1986 split chunks (needed=false): <1986> split chunk #0 of len 1986 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 934261e40736e9ca6d8f73ce09c246283823b7296b9dbc89fa0e6407c63cbad9 run #0: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #1: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #2: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #3: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #4: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #5: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #6: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #7: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #8: crashed: KASAN: use-after-free Read in leaf_insert_into_buf run #9: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer representative crash: KASAN: out-of-bounds Read in leaf_paste_in_buffer, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a5b69f6f46930ff3b0975588ba25010ef26c71ff6349bbd3a90620facaa2e688 all runs: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer representative crash: KASAN: out-of-bounds Read in leaf_paste_in_buffer, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cdda360829c8d47d8e54a4da13ed50ca074419dc71338b5470811b8dc51e3ef6 all runs: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer representative crash: KASAN: out-of-bounds Read in leaf_paste_in_buffer, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9dbce6cb68995c23b122004656819f115d8d9f2c235151820f332f19f60987e0 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit f6f7927ac664ba23447f8dd3c3dfe2f4ee39272f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5f9fab5a4bb6755143f7c724fd39f60bbe9126efb1074e3a6922ff90932f2652 all runs: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer representative crash: KASAN: out-of-bounds Read in leaf_paste_in_buffer, types: [KASAN] the chunk can be dropped minimized to 398 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO 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 LIBCRC32C 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 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_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 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_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU 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_COMMON SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION 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_CGROUP_DATA 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 STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC 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 TARGET_CORE TASKS_RCU TASKS_RCU_GENERIC 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 TPM_KEY_PARSER TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS 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_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA 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_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d69d5b042316afc5fe62372786b6f0822a3ad71d9ed6c517f96a68f17f1b333a run #0: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #1: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #2: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #3: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #4: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #5: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #6: crashed: KASAN: use-after-free Read in leaf_insert_into_buf run #7: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #8: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer run #9: crashed: KASAN: out-of-bounds Read in leaf_paste_in_buffer representative crash: KASAN: out-of-bounds Read in leaf_paste_in_buffer, types: [KASAN] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h9m39.323879039s (build: 51m0.960637189s, test: 1h16m25.242782835s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.156 crash: KASAN: out-of-bounds Read in leaf_paste_in_buffer REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): using 3.5.x disk format REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ================================================================== BUG: KASAN: out-of-bounds in leaf_paste_in_buffer+0x223/0x9b0 fs/reiserfs/lbalance.c:1017 Read of size 18446744073709551365 at addr ffff888069b5d000 by task syz-executor.0/2012 CPU: 1 PID: 2012 Comm: syz-executor.0 Not tainted 5.15.156-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x41/0x5e lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x6c/0x309 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:451 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 memmove+0x20/0x60 mm/kasan/shadow.c:54 leaf_paste_in_buffer+0x223/0x9b0 fs/reiserfs/lbalance.c:1017 balance_leaf_new_nodes_paste_whole fs/reiserfs/do_balan.c:1171 [inline] balance_leaf_new_nodes_paste fs/reiserfs/do_balan.c:1215 [inline] balance_leaf_new_nodes fs/reiserfs/do_balan.c:1246 [inline] balance_leaf+0x1dbc/0xe180 fs/reiserfs/do_balan.c:1450 do_balance+0x2e0/0x6b0 fs/reiserfs/do_balan.c:1888 reiserfs_paste_into_item+0x63c/0x7b0 fs/reiserfs/stree.c:2159 reiserfs_get_block+0xe98/0x39b0 fs/reiserfs/inode.c:1077 __block_write_begin_int+0x2ef/0x1180 fs/buffer.c:2012 reiserfs_write_begin+0x320/0x820 fs/reiserfs/inode.c:2790 generic_cont_expand_simple+0xea/0x120 fs/buffer.c:2362 reiserfs_setattr+0x9b2/0xd20 fs/reiserfs/inode.c:3319 notify_change+0x4b4/0xea0 fs/attr.c:505 do_truncate+0xee/0x1a0 fs/open.c:65 do_sys_ftruncate+0x423/0x550 fs/open.c:193 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x33/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f03d32caae9 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:00007f03d2e4d0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f03d33e9f80 RCX: 00007f03d32caae9 RDX: 0000000000000000 RSI: 0000000002007ffb RDI: 0000000000000005 RBP: 00007f03d331647a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f03d33e9f80 R15: 00007ffe406c2878 The buggy address belongs to the page: page:ffffea0001a6d740 refcount:2 mapcount:1 mapping:0000000000000000 index:0x7f03d33e6 pfn:0x69b5d memcg:ffff888075604000 anon flags: 0xfff80000080004(uptodate|swapbacked|node=0|zone=1|lastcpupid=0xfff) raw: 00fff80000080004 0000000000000000 dead000000000122 ffff88807c55e441 raw: 00000007f03d33e6 0000000000000000 0000000200000000 ffff888075604000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x1100cca(GFP_HIGHUSER_MOVABLE), pid 2011, ts 48859826128, free_ts 5063296104 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x12d1/0x2d40 mm/page_alloc.c:4159 __alloc_pages+0x1b2/0x440 mm/page_alloc.c:5423 alloc_pages_vma+0xe0/0x650 mm/mempolicy.c:2146 wp_page_copy+0x18c/0x1890 mm/memory.c:3026 handle_pte_fault mm/memory.c:4639 [inline] __handle_mm_fault+0x15ac/0x33c0 mm/memory.c:4756 handle_mm_fault+0x1c5/0x5b0 mm/memory.c:4854 do_user_addr_fault+0x298/0xcb0 arch/x86/mm/fault.c:1388 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x5a/0xb0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare+0x379/0x850 mm/page_alloc.c:1391 free_unref_page_prepare mm/page_alloc.c:3317 [inline] free_unref_page+0x19/0x4b0 mm/page_alloc.c:3396 free_contig_range+0x8b/0xb0 mm/page_alloc.c:9342 destroy_args+0x7e/0x503 mm/debug_vm_pgtable.c:1018 debug_vm_pgtable+0x1770/0x17f2 mm/debug_vm_pgtable.c:1331 do_one_initcall+0xb4/0x320 init/main.c:1300 do_initcall_level init/main.c:1373 [inline] do_initcalls init/main.c:1389 [inline] do_basic_setup init/main.c:1408 [inline] kernel_init_freeable+0x51e/0x580 init/main.c:1613 kernel_init+0x14/0x120 init/main.c:1504 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 Memory state around the buggy address: ffff888069b5cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888069b5cf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888069b5d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff888069b5d080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888069b5d100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================