ci2 starts bisection 2023-10-21 19:29:18.908853242 +0000 UTC m=+105036.467379263
bisecting fixing commit since 471e639e59d128f4bf58000a118b2ceca3893f98
building syzkaller on f3921d4d63f97d1f1fb49a69ea85744bb7ef184b
ensuring issue is reproducible on original commit 471e639e59d128f4bf58000a118b2ceca3893f98

testing commit 471e639e59d128f4bf58000a118b2ceca3893f98 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a06f2610ed76764b012f3f84248cbb08e5df1cca98677d4c318fb1268828fb63
run #0: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #1: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #2: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #3: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #4: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #5: crashed: KASAN: out-of-bounds Read in udf_finalize_lvid
run #6: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #7: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #8: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #9: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #10: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #11: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #12: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #13: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #14: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #15: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #16: crashed: KASAN: out-of-bounds Read in udf_finalize_lvid
run #17: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #18: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #19: crashed: KASAN: use-after-free Read in udf_finalize_lvid
representative crash: KASAN: use-after-free Read in udf_finalize_lvid, 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 471e639e59d128f4bf58000a118b2ceca3893f98 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3db6c9678d0d85ef98f512d89c9a012f8ab3153c2add8b12a7c3114e0d2731e6
run #0: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #1: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #2: crashed: KASAN: out-of-bounds Read in udf_finalize_lvid
run #3: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #4: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #5: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #6: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #7: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #8: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #9: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
representative crash: KASAN: use-after-free Read in udf_finalize_lvid, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
kconfig minimization: base=3703 full=7270 leaves diff=1987
split chunks (needed=false): <1987>
split chunk #0 of len 1987 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 471e639e59d128f4bf58000a118b2ceca3893f98 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 600fbc8f775bb98fe40b7a5511d3e0663ae359aa825ccae8f6d7e19c3039a24e
run #0: crashed: KASAN: out-of-bounds Read in udf_finalize_lvid
run #1: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #2: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #3: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #4: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #5: crashed: KASAN: use-after-free Write in udf_close_lvid
run #6: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #7: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #8: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #9: crashed: KASAN: use-after-free Read in udf_finalize_lvid
representative crash: KASAN: out-of-bounds Read in udf_finalize_lvid, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit 471e639e59d128f4bf58000a118b2ceca3893f98 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 546233185e87af0cff7cd93040e40c257909c8d86ad99791183cfbf145ce15a6
run #0: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #1: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #2: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #3: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #4: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #5: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #6: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #7: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #8: crashed: KASAN: use-after-free Write in udf_close_lvid
run #9: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
representative crash: KASAN: use-after-free Read in udf_finalize_lvid, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit 471e639e59d128f4bf58000a118b2ceca3893f98 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: acbc9b05687f2e556780e59ff1eaeab175823d740d6843e40aa71a20b3b9b8c3
run #0: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #1: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #2: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #3: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #4: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #5: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #6: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #7: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #8: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #9: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
representative crash: KASAN: use-after-free Read in udf_finalize_lvid, types: [KASAN UNKNOWN]
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 471e639e59d128f4bf58000a118b2ceca3893f98 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d9530cd202157e012048ff172931cfceac8bc01de51ab93535e5eece16586e8a
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 471e639e59d128f4bf58000a118b2ceca3893f98 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d2e5b4032a3a8054ef936d8c43004f1c4bc5012a3b7f0ab9e361d640561a3983
run #0: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #1: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #2: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #3: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #4: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #5: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #6: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #7: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #8: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #9: crashed: KASAN: use-after-free Read in udf_finalize_lvid
representative crash: KASAN: use-after-free Read in udf_finalize_lvid, 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 [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing current HEAD 00c03985402ee5e9dffa643f45b9291274bf4070
testing commit 00c03985402ee5e9dffa643f45b9291274bf4070 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c0a7928bf56a662b30d19cbb2cabe8d1172a0a4d806052815fff8ae8f1635f1a
run #0: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #1: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #2: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #3: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #4: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #5: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #6: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #7: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #8: crashed: KASAN: use-after-free Read in udf_finalize_lvid
run #9: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
representative crash: KASAN: use-after-free Read in udf_finalize_lvid, types: [KASAN UNKNOWN]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 1h0m23.270455525s (build: 28m49.756133824s, test: 29m57.814092606s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15.136
crash: KASAN: use-after-free Read in udf_finalize_lvid
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0x9c/0xc0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff88806aa6d000 by task syz-executor.0/1598

CPU: 0 PID: 1598 Comm: syz-executor.0 Not tainted 5.15.136-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __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
 crc_itu_t+0x9c/0xc0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xdb/0x1d0 fs/udf/super.c:2025
 udf_sync_fs+0xc9/0x130 fs/udf/super.c:2381
 sync_filesystem.part.0+0x63/0x170 fs/sync.c:56
 generic_shutdown_super+0x64/0x320 fs/super.c:448
 kill_block_super+0x93/0xd0 fs/super.c:1414
 deactivate_locked_super+0x7b/0x130 fs/super.c:335
 cleanup_mnt+0x2b8/0x3e0 fs/namespace.c:1143
 task_work_run+0xb8/0x140 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x164/0x170 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:301
 do_syscall_64+0x42/0x80 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f49cb585e57
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd5bb9c0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f49cb585e57
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd5bb9c170
RBP: 00007ffd5bb9c170 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd5bb9d230
R13: 00007f49cb5cf3b9 R14: 000000000000ba95 R15: 0000000000000006
 </TASK>

The buggy address belongs to the page:
page:ffffea0001aa9b40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x6aa6d
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea0001aa94c8 ffffea0001aa96c8 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x1100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), pid 2015, ts 47856933276, free_ts 47883966137
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x1334/0x2dc0 mm/page_alloc.c:4159
 __alloc_pages+0x1b2/0x440 mm/page_alloc.c:5421
 alloc_pages_vma+0xe0/0x650 mm/mempolicy.c:2146
 do_anonymous_page mm/memory.c:3808 [inline]
 handle_pte_fault mm/memory.c:4619 [inline]
 __handle_mm_fault+0x1ce9/0x3400 mm/memory.c:4756
 handle_mm_fault+0x1c5/0x5b0 mm/memory.c:4854
 do_user_addr_fault+0x298/0xcb0 arch/x86/mm/fault.c:1397
 handle_page_fault arch/x86/mm/fault.c:1485 [inline]
 exc_page_fault+0x5a/0xb0 arch/x86/mm/fault.c:1541
 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_list+0x16f/0xca0 mm/page_alloc.c:3433
 release_pages+0xb3a/0x1480 mm/swap.c:963
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu+0xbb/0x590 mm/mmu_gather.c:247
 zap_pte_range mm/memory.c:1445 [inline]
 zap_pmd_range mm/memory.c:1494 [inline]
 zap_pud_range mm/memory.c:1523 [inline]
 zap_p4d_range mm/memory.c:1544 [inline]
 unmap_page_range+0x11b6/0x1b70 mm/memory.c:1565
 unmap_vmas+0x13e/0x250 mm/memory.c:1642
 exit_mmap+0x19d/0x530 mm/mmap.c:3186
 __mmput kernel/fork.c:1126 [inline]
 mmput+0xd6/0x400 kernel/fork.c:1147
 exit_mm kernel/exit.c:548 [inline]
 do_exit+0x884/0x2250 kernel/exit.c:859
 do_group_exit+0xe7/0x290 kernel/exit.c:994
 get_signal+0x279/0x1f00 kernel/signal.c:2889
 arch_do_signal_or_restart+0x2b5/0x17c0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0xf9/0x170 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:301
 do_syscall_64+0x42/0x80 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Memory state around the buggy address:
 ffff88806aa6cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88806aa6cf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88806aa6d000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88806aa6d080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88806aa6d100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================