ci2 starts bisection 2024-08-14 20:05:37.438211683 +0000 UTC m=+23648.488850433
bisecting fixing commit since c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd
building syzkaller on 8bdc0f220628c9347b3581fead4c026272439799
ensuring issue is reproducible on original commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd

testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8f9533dbb5b283a8f9556486e465585032d540e4cea9bf9c9fb0fd0ec4562ad7
run #0: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #2: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #3: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #4: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #5: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #6: OK
run #7: OK
run #8: OK
run #9: OK
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: KASAN: out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 70d89e47fb1a3ae2050a7c9ec49c0c4fe97d496990d176e6338fa6a75af3deaf
all runs: OK
false negative chance: 0.001
kconfig minimization: base=3703 full=7267 leaves diff=1982
split chunks (needed=false): <1982>
split chunk #0 of len 1982 into 5 parts
testing without sub-chunk 1/5
testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0cea44fe527ad938507be94dfc2082bd84726fe57c2bc7a1a56c19d9f14de6ec
run #0: crashed: BUG: stack guard page was hit in corrupted
run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #2: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #3: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #4: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #5: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #6: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #7: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #8: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #9: OK
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: KASAN: out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 473444cb4004f88f4b16cac6ef8c167d274be9400d903cc4877726377728c4f0
run #0: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #2: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #3: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #4: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #5: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #6: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #7: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #8: OK
run #9: OK
run #10: OK
run #11: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
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: KASAN: out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 142bea520b9b7420fd941cdee0b6da4c1c9f3a0bd2924cc54ea24b4315bc8097
run #0: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #2: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #3: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #4: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #5: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #6: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #7: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #8: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #9: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #10: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #11: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #12: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #13: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #14: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #15: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #16: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #17: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #18: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #19: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
representative crash: KASAN: stack-out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 76ec84429f3416e2de9754524d0ae0dd4de9c11e6f282eae9b4d622a0b39ff20
all runs: OK
false negative chance: 0.001
testing without sub-chunk 5/5
testing commit c52b9710c83d3b8ab63bb217cc7c8b61e13f12cd gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a340965d6ef8f1169bc5a46739a07992858b704b3b87075b786065aaa10b2617
run #0: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #2: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #3: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #4: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #5: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #6: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #7: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #8: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #9: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #10: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #11: crashed: WARNING in match_held_lock
run #12: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #13: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #14: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #15: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #16: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #17: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #18: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #19: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
representative crash: KASAN: stack-out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
the chunk can be dropped
minimized to 397 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_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]
testing current HEAD 7e89efd3ae1cfa05fe918588a92628b9bbeda4b2
testing commit 7e89efd3ae1cfa05fe918588a92628b9bbeda4b2 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 02f5b0de73365777ddcae9661fb056f20572e18a6155c0ebc9b851f0e0fdf7e6
run #0: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #1: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #2: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #3: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #4: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #5: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #6: crashed: KASAN: vmalloc-out-of-bounds Write in end_buffer_read_sync
run #7: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #8: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #9: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #10: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #11: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #12: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #13: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #14: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #15: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #16: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #17: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #18: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #19: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
representative crash: KASAN: stack-out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (1.00 repro chance estimate)
revisions tested: 8, total time: 1h54m44.593804696s (build: 33m47.748553508s, test: 1h18m13.454381333s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15.164
crash: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
==================================================================
BUG: KASAN: stack-out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: stack-out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:244 [inline]
BUG: KASAN: stack-out-of-bounds in put_bh include/linux/buffer_head.h:319 [inline]
BUG: KASAN: stack-out-of-bounds in end_buffer_read_sync+0x5c/0x90 fs/buffer.c:160
Write of size 4 at addr ffffc90003dc7a60 by task ksoftirqd/1/19

CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xf/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
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_dec include/linux/atomic/atomic-instrumented.h:244 [inline]
 put_bh include/linux/buffer_head.h:319 [inline]
 end_buffer_read_sync+0x5c/0x90 fs/buffer.c:160
 end_bio_bh_io_sync+0xb5/0x100 fs/buffer.c:3007
 req_bio_endio block/blk-core.c:261 [inline]
 blk_update_request+0x76a/0x1080 block/blk-core.c:1441
 blk_mq_end_request+0x46/0x480 block/blk-mq.c:575
 blk_complete_reqs+0x90/0xc0 block/blk-mq.c:587
 handle_softirqs+0x1b5/0x870 kernel/softirq.c:558
 run_ksoftirqd kernel/softirq.c:925 [inline]
 run_ksoftirqd+0x26/0x50 kernel/softirq.c:917
 smpboot_thread_fn+0x310/0x800 kernel/smpboot.c:164
 kthread+0x37c/0x460 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>


Memory state around the buggy address:
 ffffc90003dc7900: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90003dc7980: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90003dc7a00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                                                       ^
 ffffc90003dc7a80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90003dc7b00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================