ci2 starts bisection 2023-10-11 03:42:53.360149929 +0000 UTC m=+20954.894108170
bisecting fixing commit since 38d4ca22a5288c4bae7e6d62a1728b0718d51866
building syzkaller on 4ffcc9efeba621d9391f2beb81ab904c2f97cefa
ensuring issue is reproducible on original commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866

testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0242675d314643b3a88af4cb58d9f82eeb12254d29fbd4a24a7f488578c6c196
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0039c6320 0xc0039c6410 0xc0039c64b0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0039c65f0 0xc0039c66e0 0xc0039c67d0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #2: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc000b2cd20 0xc000b2ce60 0xc000b2cf50] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #3: crashed: INFO: task hung in reiserfs_sync_fs
run #4: crashed: INFO: task hung in reiserfs_sync_fs
run #5: crashed: INFO: task hung in reiserfs_sync_fs
run #6: crashed: INFO: task hung in reiserfs_sync_fs
run #7: crashed: INFO: task hung in reiserfs_sync_fs
run #8: crashed: INFO: task hung in reiserfs_sync_fs
run #9: crashed: INFO: task hung in reiserfs_sync_fs
run #10: crashed: INFO: task hung in reiserfs_sync_fs
run #11: crashed: INFO: task hung in reiserfs_sync_fs
run #12: crashed: INFO: task hung in reiserfs_sync_fs
run #13: crashed: INFO: task hung in reiserfs_sync_fs
run #14: crashed: INFO: task hung in reiserfs_sync_fs
run #15: crashed: INFO: task hung in reiserfs_sync_fs
run #16: crashed: INFO: task hung in reiserfs_sync_fs
run #17: crashed: INFO: task hung in reiserfs_sync_fs
run #18: crashed: INFO: task hung in reiserfs_sync_fs
run #19: crashed: INFO: task hung in reiserfs_sync_fs
representative crash: INFO: task hung in reiserfs_sync_fs, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b1a8e666c3f65eb3e09787b81da032876f8b5d21b9d14cb6672c49363cbcf083
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc000b2c870 0xc000b2c960 0xc000b2ca00] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc0039c6050 0xc0039c6140 0xc0039c61e0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #2: crashed: INFO: task hung in reiserfs_sync_fs
run #3: crashed: INFO: task hung in reiserfs_sync_fs
run #4: crashed: INFO: task hung in reiserfs_sync_fs
run #5: crashed: INFO: task hung in reiserfs_sync_fs
run #6: crashed: INFO: task hung in reiserfs_sync_fs
run #7: crashed: INFO: task hung in reiserfs_sync_fs
run #8: crashed: INFO: task hung in reiserfs_sync_fs
run #9: crashed: INFO: task hung in reiserfs_sync_fs
representative crash: INFO: task hung in reiserfs_sync_fs, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=3703 full=7267 leaves diff=1985
split chunks (needed=false): <1985>
split chunk #0 of len 1985 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 084ffe522d9d398dc1f8da6ff40f99b3e8b77202f926fe2151fafdd7166ae40c
all runs: crashed: INFO: task hung in reiserfs_sync_fs
representative crash: INFO: task hung in reiserfs_sync_fs, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8eb1240ec6dcb76f2b46d1f7c692b9918beca3542e207d1ca272beb37ca5a3e1
all runs: crashed: INFO: task hung in reiserfs_sync_fs
representative crash: INFO: task hung in reiserfs_sync_fs, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed
testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5b26502191d06f98f5365ac5942c9359c70e7b12bd7cae3b9e13e7b5ea2215a2
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00bf36c30 0xc00bf36d70 0xc00bf36e10] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #1: crashed: INFO: task hung in reiserfs_sync_fs
run #2: crashed: INFO: task hung in reiserfs_sync_fs
run #3: crashed: INFO: task hung in reiserfs_sync_fs
run #4: crashed: INFO: task hung in reiserfs_sync_fs
run #5: crashed: INFO: task hung in reiserfs_sync_fs
run #6: crashed: INFO: task hung in reiserfs_sync_fs
run #7: crashed: INFO: task hung in reiserfs_sync_fs
run #8: crashed: INFO: task hung in reiserfs_sync_fs
run #9: crashed: INFO: task hung in reiserfs_sync_fs
representative crash: INFO: task hung in reiserfs_sync_fs, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 93eac6736623a4706beecfe92f2c53d91b1635dd8dc9ddefec2886ecf18d9ee3
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 586bcd8d620e8ffe9442df74f82fb64fe8c144173b17946da5d5b20beb4d0f4a
run #0: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00d78caa0 0xc00d78cb90 0xc00d78cc30] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #1: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00d78ce60 0xc00d78cfa0 0xc00d78d040] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #2: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00d78d180 0xc00d78d270 0xc00d78d310] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #3: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00d78d400 0xc00d78d540 0xc00d78d5e0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #4: infra problem: create image operation failed: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0xc00a220f50 0xc00a221040 0xc00a2210e0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-c' does not have enough resources available to fulfill the request.  '(resource type:compute)'. ForceSendFields:[] NullFields:[]}.
run #5: crashed: INFO: task hung in reiserfs_sync_fs
run #6: crashed: INFO: task hung in reiserfs_sync_fs
run #7: crashed: INFO: task hung in reiserfs_sync_fs
run #8: crashed: INFO: task hung in reiserfs_sync_fs
run #9: crashed: INFO: task hung in reiserfs_sync_fs
representative crash: INFO: task hung in reiserfs_sync_fs, types: [HANG]
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_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 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_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VXLAN WIRELESS WLAN ZONE_DEVICE]
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing current HEAD 02e21884dcf2f1746ab686a6ea41a0a92520fe58
testing commit 02e21884dcf2f1746ab686a6ea41a0a92520fe58 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cfc6da2211aad194957882f7d813c52d9348b2a90ac7b0cbdc4ff48ccd0a6a25
all runs: crashed: INFO: task hung in reiserfs_sync_fs
representative crash: INFO: task hung in reiserfs_sync_fs, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 1h12m1.490821278s (build: 20m0.613608738s, test: 50m24.863955073s)
crash still not fixed or there were kernel test errors
commit msg: Linux 5.15.135
crash: INFO: task hung in reiserfs_sync_fs
INFO: task kworker/0:2:731 blocked for more than 143 seconds.
      Not tainted 5.15.135-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:13952 pid:  731 ppid:     2 flags:0x00004000
Workqueue: events_long flush_old_commits
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x376/0x13f0 kernel/sched/core.c:6372
 schedule+0x56/0xe0 kernel/sched/core.c:6455
 schedule_preempt_disabled+0x28/0x40 kernel/sched/core.c:6514
 __mutex_lock_common kernel/locking/mutex.c:669 [inline]
 __mutex_lock+0x4b1/0x770 kernel/locking/mutex.c:729
 reiserfs_write_lock+0x26/0x40 fs/reiserfs/lock.c:27
 reiserfs_sync_fs+0x2a/0x80 fs/reiserfs/super.c:76
 flush_old_commits+0x55/0xb0 fs/reiserfs/super.c:111
 process_one_work+0x252/0x480 kernel/workqueue.c:2310
 worker_thread+0x4d/0x330 kernel/workqueue.c:2457
 kthread+0x133/0x150 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/26:
 #0: ffffffff82f773c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf7 kernel/locking/lockdep.c:6452
4 locks held by kworker/0:2/731:
 #0: ffff888100062b38 ((wq_completion)events_long){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline]
 #0: ffff888100062b38 ((wq_completion)events_long){....}-{0:0}, at: process_one_work+0x1c1/0x480 kernel/workqueue.c:2273
 #1: ffffc900023a3e70 ((work_completion)(&(&sbi->old_work)->work)){....}-{0:0}, at: wake_up_worker kernel/workqueue.c:859 [inline]
 #1: ffffc900023a3e70 ((work_completion)(&(&sbi->old_work)->work)){....}-{0:0}, at: process_one_work+0x1c1/0x480 kernel/workqueue.c:2273
 #2: ffff8881406e00e0 (&type->s_umount_key#43){....}-{3:3}, at: flush_old_commits+0x2c/0xb0 fs/reiserfs/super.c:97
 #3: ffff88810976b890 (&sbi->lock){....}-{3:3}, at: reiserfs_write_lock+0x26/0x40 fs/reiserfs/lock.c:27
2 locks held by getty/1017:
 #0: ffff8881425ed898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x50 drivers/tty/tty_ldisc.c:252
 #1: ffffc900027d72e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x4eb/0x610 drivers/tty/n_tty.c:2158
4 locks held by syz-executor.0/2013:
1 lock held by syz-executor.0/2017:
 #0: ffff88813bc2ba58 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x22/0x80 kernel/sched/core.c:475

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.15.135-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
 nmi_cpu_backtrace.cold+0x30/0x7d lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0xc7/0xe0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0x4a2/0x4e0 kernel/hung_task.c:295
 kthread+0x133/0x150 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2013 Comm: syz-executor.0 Not tainted 5.15.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:serial8250_console_write+0x0/0x390 drivers/tty/serial/8250/8250_port.c:3362
Code: 58 01 00 00 0a 00 00 00 e9 16 f7 ff ff 41 c7 87 58 01 00 00 0b 00 00 00 e9 06 f7 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <41> 57 41 56 41 55 41 89 d5 41 54 55 48 89 fd 53 48 83 ec 48 4c 8b
RSP: 0018:ffffc9000230b7b8 EFLAGS: 00000086
RAX: 0000000000000016 RBX: ffff888106399bc0 RCX: ffffffff810d2611
RDX: 000000000000002c RSI: ffffffff84475ac0 RDI: ffffffff8463fcc0
RBP: ffffffff8303c1e0 R08: ffffffff817ffa80 R09: 0000000000000000
R10: 0000000000080000 R11: 6461657268746b20 R12: 0000000000000000
R13: 000000000000002c R14: 0000000000000000 R15: 0000000000000206
FS:  00007f6e4d07e6c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000208e0000 CR3: 0000000109711000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 call_console_drivers kernel/printk/printk.c:1953 [inline]
 console_unlock+0x36c/0x520 kernel/printk/printk.c:2738
 vprintk_emit+0xf4/0x290 kernel/printk/printk.c:2268
 _printk+0x53/0x6a kernel/printk/printk.c:2293
 __reiserfs_warning.cold+0x76/0x89 fs/reiserfs/prints.c:290
 reiserfs_read_bitmap_block+0xeb/0x130 fs/reiserfs/bitmap.c:1434
 scan_bitmap_block.constprop.0+0x7d/0x3b0 fs/reiserfs/bitmap.c:164
 scan_bitmap fs/reiserfs/bitmap.c:402 [inline]
 allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline]
 blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline]
 reiserfs_allocate_blocknrs+0x857/0xe90 fs/reiserfs/bitmap.c:1375
 reiserfs_new_unf_blocknrs fs/reiserfs/reiserfs.h:3359 [inline]
 _allocate_block fs/reiserfs/inode.c:653 [inline]
 reiserfs_get_block+0x2eb/0x10b0 fs/reiserfs/inode.c:764
 __block_write_begin_int+0x126/0x530 fs/buffer.c:2012
 reiserfs_write_begin+0xf3/0x230 fs/reiserfs/inode.c:2790
 generic_perform_write+0xbf/0x1f0 mm/filemap.c:3776
 __generic_file_write_iter+0x147/0x1d0 mm/filemap.c:3903
 generic_file_write_iter+0x58/0xa0 mm/filemap.c:3935
 call_write_iter include/linux/fs.h:2103 [inline]
 new_sync_write+0x114/0x1a0 fs/read_write.c:507
 vfs_write+0x248/0x2e0 fs/read_write.c:594
 ksys_write+0x63/0xe0 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6e4d4fbae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6e4d07e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6e4d61af80 RCX: 00007f6e4d4fbae9
RDX: 000000000208e24b RSI: 0000000020000280 RDI: 0000000000000005
RBP: 00007f6e4d54747a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f6e4d61af80 R15: 00007fff01c144b8
 </TASK>