ci2 starts bisection 2024-01-07 20:27:00.860030224 +0000 UTC m=+164600.986208502
bisecting fixing commit since ce9ecca0238b140b88f43859b211c9fdfd8e5b70
building syzkaller on 0b6a67ac4b0dc26f43030c5edd01c9175f13b784
ensuring issue is reproducible on original commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70

testing commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5735ef56f33e51ec4b2941a4795b48f7bb0f15d5db256ede79ef3509d3426ea3
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 __lock_acquire
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: 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: kernel panic: stack is corrupted in __lock_acquire
run #9: crashed: kernel panic: stack is corrupted in __lock_acquire
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 UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6d61f008dc7aaf493c9d7061f0e0b2bee072fb324e84383561c921134ed42bac
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: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: KASAN: out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
kconfig minimization: base=3915 full=7686 leaves diff=2008
split chunks (needed=false): <2008>
split chunk #0 of len 2008 into 5 parts
testing without sub-chunk 1/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 54057604bbd8d04aa3623b122526c42dc77787ed7f682afd26e288b226703cb1
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: 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: 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: stack-out-of-bounds Write in end_buffer_read_sync, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 74d541e51225d093c20bda6a001441f84755132756e1d270384487e63f62a3cc
run #0: failed: failed to run command in VM: broken console: Permission denied (publickey)
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: 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: OK
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: 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
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f3181badad1a47e9bce40af19b22799900174e900ed75afcbe7c704c0bfc659b
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: 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: stack-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: stack-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: stack-out-of-bounds Write in end_buffer_read_sync, 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 ce9ecca0238b140b88f43859b211c9fdfd8e5b70 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 53c44f685f3c7a3aca8fb75f4098f4a97a485d67c6a9b45bac91ab501a79cba9
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8b6ee1247d37e305a932c67a0c859f84b566f126fa2aa09879304d14dfe9ad3f
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: 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
minimized to 402 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH 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_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE 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 SECURITY_SMACK_NETFILTER 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 TARGET_CORE TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_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 VXLAN WIRELESS WLAN ZONE_DEVICE]
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing current HEAD 0dd3ee31125508cd67f7e7172247f05b7fd1753a
testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1222d4154c1c2811f1e02ae6e614080cfa3e9a5b1cbb8fa060be2277e7e32721
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: 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]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.50 repro chance estimate)
revisions tested: 8, total time: 2h43m36.259042268s (build: 49m32.451820128s, test: 1h33m35.542788966s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.7
crash: KASAN: out-of-bounds Write in end_buffer_read_sync
==================================================================
BUG: KASAN: out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline]
BUG: KASAN: out-of-bounds in put_bh include/linux/buffer_head.h:306 [inline]
BUG: KASAN: out-of-bounds in end_buffer_read_sync+0x89/0x90 fs/buffer.c:161
Write of size 4 at addr ffffc9000363f700 by task ksoftirqd/1/21

CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xf8/0x260 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0x163/0x540 mm/kasan/report.c:475
 kasan_report+0x142/0x170 mm/kasan/report.c:588
 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:187
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline]
 put_bh include/linux/buffer_head.h:306 [inline]
 end_buffer_read_sync+0x89/0x90 fs/buffer.c:161
 end_bio_bh_io_sync+0x8d/0xe0 fs/buffer.c:2775
 req_bio_endio block/blk-mq.c:788 [inline]
 blk_update_request+0x341/0x1050 block/blk-mq.c:933
 blk_mq_end_request+0x39/0x60 block/blk-mq.c:1056
 blk_complete_reqs block/blk-mq.c:1131 [inline]
 blk_done_softirq+0x82/0x110 block/blk-mq.c:1136
 __do_softirq+0x1ba/0x571 kernel/softirq.c:553
 run_ksoftirqd+0x23/0x30 kernel/softirq.c:921
 smpboot_thread_fn+0x57b/0x7e0 kernel/smpboot.c:164
 kthread+0x233/0x280 kernel/kthread.c:388
 ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>

The buggy address belongs to the virtual mapping at
 [ffffc90003638000, ffffc90003641000) created by:
 copy_process+0x40b/0x3410 kernel/fork.c:2332

The buggy address belongs to the physical page:
page:ffffea0001d1cdc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x74737
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 2254, tgid 2254 (syz-executor.0), ts 83886134668, free_ts 81454296740
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x10b/0x130 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1544 [inline]
 get_page_from_freelist+0x345c/0x35f0 mm/page_alloc.c:3312
 __alloc_pages+0x255/0x650 mm/page_alloc.c:4568
 alloc_pages_mpol+0x27f/0x4d0 mm/mempolicy.c:2133
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0x761/0x1060 mm/vmalloc.c:3320
 alloc_thread_stack_node kernel/fork.c:309 [inline]
 dup_task_struct+0x83d/0x990 kernel/fork.c:1118
 copy_process+0x40b/0x3410 kernel/fork.c:2332
 kernel_clone+0x194/0x6c0 kernel/fork.c:2907
 __do_sys_clone kernel/fork.c:3050 [inline]
 __se_sys_clone kernel/fork.c:3034 [inline]
 __x64_sys_clone+0x253/0x2a0 kernel/fork.c:3034
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x45/0xe0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1137 [inline]
 free_unref_page_prepare+0x7f9/0x910 mm/page_alloc.c:2347
 free_unref_page_list+0x54b/0x7f0 mm/page_alloc.c:2533
 release_pages+0x194b/0x1b10 mm/swap.c:1042
 tlb_batch_pages_flush mm/mmu_gather.c:98 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
 tlb_flush_mmu+0x273/0x3d0 mm/mmu_gather.c:300
 tlb_finish_mmu+0xb6/0x1c0 mm/mmu_gather.c:392
 exit_mmap+0x43e/0x990 mm/mmap.c:3324
 __mmput+0x9b/0x2d0 kernel/fork.c:1349
 exit_mm+0x113/0x1b0 kernel/exit.c:567
 do_exit+0x7e2/0x2430 kernel/exit.c:856
 do_group_exit+0x1b9/0x280 kernel/exit.c:1018
 get_signal+0x115a/0x12b0 kernel/signal.c:2904
 arch_do_signal_or_restart+0x91/0x600 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0x61/0xc0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x64/0xb0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x2c/0x1e0 kernel/entry/common.c:296
 do_syscall_64+0x52/0xe0 arch/x86/entry/common.c:89

Memory state around the buggy address:
 ffffc9000363f600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000363f680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9000363f700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                      ^
 ffffc9000363f780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000363f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================