ci2 starts bisection 2023-07-22 14:04:28.745106973 +0000 UTC m=+24945.185725075
bisecting fixing commit since 7349e40704a0209a2af8b37fa876322209de9684
building syzkaller on 49519f067f7fc9bfbf869e6851a4d398a9f7863f
ensuring issue is reproducible on original commit 7349e40704a0209a2af8b37fa876322209de9684

testing commit 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e3fd8dcf4609f7835c3f92c558dd5c272f362576eb8e863c43bd7471140f120a
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: kernel panic: stack is corrupted in mark_lock
run #3: crashed: kernel panic: stack is corrupted in mark_lock
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: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #10: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
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
run #20: OK
run #21: OK
run #22: OK
run #23: OK
run #24: OK
run #25: 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 [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 99af67a26162ba83adaee638597ddfff85829b57678f0d36b6d2e05e1d2ca206
run #0: crashed: invalid opcode in writeback_single_inode
run #1: crashed: invalid opcode in writeback_single_inode
run #2: crashed: invalid opcode in writeback_single_inode
run #3: crashed: invalid opcode in writeback_single_inode
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
run #20: OK
run #21: OK
run #22: OK
representative crash: invalid opcode in writeback_single_inode, types: [UNKNOWN KASAN]
kconfig minimization: base=3703 full=7271 leaves diff=1987
split chunks (needed=false): <1987>
split chunk #0 of len 1987 into 5 parts
testing without sub-chunk 1/5
testing commit 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 24fc7f42502a3fb9908f55e168effa765e3f63376872b6b3f2f6933b7a56e272
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: crashed: KASAN: 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: out-of-bounds Write in end_buffer_read_sync
run #11: crashed: KASAN: 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: out-of-bounds Write in end_buffer_read_sync
run #14: crashed: KASAN: 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: out-of-bounds Write in end_buffer_read_sync
run #17: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #18: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #19: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #20: OK
run #21: OK
run #22: OK
run #23: OK
run #24: OK
run #25: OK
run #26: OK
run #27: OK
run #28: OK
run #29: 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 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c3b0fe717b0799bc9f0345d0a40d9d5ee9ad076a33cba0b5d9af84ab6c96693f
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: stack-out-of-bounds Read in format_decode
run #7: crashed: KASAN: stack-out-of-bounds Read in format_decode
run #8: crashed: KASAN: 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: kernel panic: stack is corrupted in mark_lock
run #11: crashed: kernel panic: stack is corrupted in mark_lock
run #12: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #13: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #14: crashed: KASAN: 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: out-of-bounds Write in end_buffer_read_sync
run #17: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #18: OK
run #19: OK
run #20: OK
run #21: OK
run #22: OK
run #23: OK
run #24: OK
run #25: OK
run #26: OK
run #27: OK
run #28: 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 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f48b002f47fd63429fcce7832ab55632e70b2ce91b4ae4ddafccc5594557d933
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: 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: 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
run #20: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #21: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #22: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #23: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #24: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #25: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #26: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #27: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #28: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #29: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #30: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #31: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #32: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #33: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #34: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #35: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #36: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #37: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #38: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #39: crashed: KASAN: 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 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4f653f798d121ae405818ec3430914c95f890ee00b6a3307d165ad4e86b1b743
all runs: OK
false negative chance: 0.001
testing without sub-chunk 5/5
testing commit 7349e40704a0209a2af8b37fa876322209de9684 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7221d3e6090a4906d38c5ebaccb9574b6ba6270969587e6412c70d93a0de308c
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: 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: 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: 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: out-of-bounds Write in end_buffer_read_sync
run #19: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #20: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #21: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #22: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #23: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #24: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #25: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #26: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #27: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #28: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #29: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #30: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #31: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #32: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #33: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #34: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #35: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #36: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #37: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #38: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #39: 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 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_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_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 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_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 d54cfc420586425d418a53871290cc4a59d33501
testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3e40e5e970ad703a3b5f451212b4321f9cf9b904c3184f3587595e5c6bac1323
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: 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: 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
run #20: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #21: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #22: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #23: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #24: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #25: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #26: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #27: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #28: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #29: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #30: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #31: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #32: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #33: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #34: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #35: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #36: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #37: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #38: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync
run #39: 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: 2h31m21.174589388s (build: 1h8m50.588068547s, test: 1h19m21.935080508s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 5.15.120
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 ffffc900043bfa58 by task ksoftirqd/1/19

CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.15.120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
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+0x70b/0x10a0 block/blk-core.c:1447
 blk_mq_end_request+0x46/0x480 block/blk-mq.c:575
 blk_complete_reqs+0x90/0xc0 block/blk-mq.c:587
 __do_softirq+0x1c0/0x8f1 kernel/softirq.c:558
 run_ksoftirqd kernel/softirq.c:920 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912
 smpboot_thread_fn+0x548/0x8c0 kernel/smpboot.c:164
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>


Memory state around the buggy address:
 ffffc900043bf900: 00 00 f1 f1 f1 f1 00 00 f3 f3 00 00 00 00 00 00
 ffffc900043bf980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900043bfa00: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2
                                                    ^
 ffffc900043bfa80: 00 00 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 00
 ffffc900043bfb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================