ci2 starts bisection 2025-03-11 08:43:28.067045193 +0000 UTC m=+66986.222375790 bisecting fixing commit since 7dc732d24ff75bae3740d2876b634c0158c79cad building syzkaller on f3558dbf032eab2b77c1cb11b9ce2baffe7838d3 ensuring issue is reproducible on original commit 7dc732d24ff75bae3740d2876b634c0158c79cad testing commit 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 85b40b23b4c0f0ecbee76dcb6a2814c1116c1fb7e31ed097adab00d2d34d5484 all runs: crashed: INFO: task hung in user_get_super representative crash: INFO: task hung in user_get_super, 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 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8a88d9fda605d530919714771986eb4403045c1b9e9993cf8e5127e78d939e30 run #0: crashed: INFO: task hung in corrupted run #1: crashed: INFO: task hung in user_get_super run #2: crashed: INFO: task hung in user_get_super run #3: crashed: INFO: task hung in corrupted run #4: crashed: INFO: task hung in user_get_super run #5: crashed: INFO: task hung in corrupted run #6: crashed: INFO: task hung in corrupted run #7: crashed: kernel panic: hung_task: blocked tasks run #8: crashed: kernel panic: hung_task: blocked tasks run #9: basic kernel testing failed: failed to copy binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1477966658" "root@10.128.1.6:./syz-executor1477966658"] Executing: program /usr/bin/ssh host 10.128.1.6, user root, command sftp OpenSSH_9.2p1 Debian-2+deb12u4, OpenSSL 3.0.15 3 Sep 2024 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.6 [10.128.1.6] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u4 debug1: Remote protocol version 2.0, remote software version OpenSSH_9.1 debug1: compat_banner: match: OpenSSH_9.1 pat OpenSSH* compat 0x04000000 debug1: Authenticating to 10.128.1.6:22 as 'root' debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts: No such file or directory debug1: load_hostkeys: fopen /etc/ssh/ssh_known_hosts2: No such file or directory debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: algorithm: sntrup761x25519-sha512@openssh.com debug1: kex: host key algorithm: ssh-ed25519 debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: compression: none debug1: expecting SSH2_MSG_KEX_ECDH_REPLY representative crash: INFO: task hung in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed kconfig minimization: base=3823 full=7500 leaves diff=2069 split chunks (needed=false): <2069> split chunk #0 of len 2069 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 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 97250fd78e3d6c565e55127c838fb220fc2ffacca3e428306a651201c59ff82b run #0: crashed: INFO: task hung in user_get_super run #1: crashed: INFO: task hung in user_get_super run #2: crashed: kernel panic: hung_task: blocked tasks run #3: crashed: INFO: task hung in user_get_super run #4: crashed: INFO: task hung in user_get_super run #5: crashed: INFO: task hung in user_get_super run #6: crashed: INFO: task hung in user_get_super run #7: crashed: INFO: task hung in user_get_super run #8: crashed: INFO: task hung in user_get_super run #9: crashed: INFO: task hung in user_get_super representative crash: INFO: task hung in user_get_super, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing commit 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba52c76b809a71383df387f80ee7d3768de775acb6d2341909b776f1e3da570a run #0: crashed: INFO: task hung in user_get_super run #1: crashed: kernel panic: hung_task: blocked tasks run #2: crashed: INFO: task hung in user_get_super run #3: crashed: INFO: task hung in user_get_super run #4: crashed: kernel panic: hung_task: blocked tasks run #5: crashed: kernel panic: hung_task: blocked tasks run #6: crashed: INFO: task hung in user_get_super run #7: crashed: INFO: task hung in user_get_super run #8: crashed: INFO: task hung in user_get_super run #9: crashed: INFO: task hung in user_get_super representative crash: INFO: task hung in user_get_super, types: [HANG UNKNOWN] 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 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c4ddc4a62c3edc67c9813ba90e1038ff4334bfe8188db1886ad1cb511404b1a8 all runs: crashed: INFO: task hung in user_get_super representative crash: INFO: task hung in user_get_super, 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 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e841535a4a7f0692e3119cb04d58e46f235ee56f7db38bacd106f193af58717 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 7dc732d24ff75bae3740d2876b634c0158c79cad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d0ac289822195fba3ac05b595eecc893f6efc574459fb78e8e7f301e86d93bc all runs: crashed: INFO: task hung in user_get_super representative crash: INFO: task hung in user_get_super, types: [HANG] the chunk can be dropped minimized to 414 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 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_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 PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK 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_NOTIFIERS PRISM2_USB PROC_CHILDREN PROC_MEM_ALWAYS_FORCE 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 RC_XBOX_DVD 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_FIXED_VOLTAGE 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 SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 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 SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS 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_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 STAGING_MEDIA 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 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_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 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 UCSI_CCG UCSI_STM32G0 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_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC 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 WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing current HEAD 6ae7ac5c4251b139da4b672fe4157f2089a9d922 testing commit 6ae7ac5c4251b139da4b672fe4157f2089a9d922 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 023441e30a372e301d175fa242d3e0e93fe332fbe7292e6036921b775cc33350 all runs: crashed: INFO: task hung in user_get_super representative crash: INFO: task hung in user_get_super, types: [HANG] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h49m56.072801077s (build: 1h15m47.756184338s, test: 1h30m38.605467446s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.130 crash: INFO: task hung in user_get_super INFO: task syz.3.26:7294 blocked for more than 143 seconds. Not tainted 6.1.130-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.26 state:D stack:13336 pid:7294 ppid:6874 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5243 [inline] __schedule+0x5c3/0x1110 kernel/sched/core.c:6560 schedule+0x50/0xb0 kernel/sched/core.c:6636 schedule_preempt_disabled+0x2e/0x40 kernel/sched/core.c:6695 rwsem_down_read_slowpath kernel/locking/rwsem.c:1094 [inline] __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0x2df/0x430 kernel/locking/rwsem.c:1522 user_get_super+0x7f/0xe0 fs/super.c:889 quotactl_block fs/quota/quota.c:890 [inline] __do_sys_quotactl fs/quota/quota.c:954 [inline] __se_sys_quotactl+0x1fd/0x320 fs/quota/quota.c:916 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f4ed0585d29 RSP: 002b:00007f4ed13dd038 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007f4ed0775fa0 RCX: 00007f4ed0585d29 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffff80000801 RBP: 00007f4ed0601b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4ed0775fa0 R15: 00007ffe257340d8 Showing all locks held in the system: 2 locks held by kworker/u4:1/11: #0: ffff88813bd2be98 (&rq->__lock){....}-{2:2}, at: process_one_work+0x205/0x4b0 kernel/workqueue.c:2267 #1: ffff88813bd1b688 (&per_cpu_ptr(group->pcpu, cpu)->seq){....}-{0:0}, at: psi_task_switch+0x21c/0x270 kernel/sched/psi.c:999 1 lock held by rcu_tasks_kthre/12: #0: ffffffff83573208 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:517 [inline] #0: ffffffff83573208 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x98/0x450 kernel/rcu/tasks.h:562 1 lock held by khungtaskd/27: #0: ffffffff835730e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #0: ffffffff835730e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #0: ffffffff835730e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2c/0x100 kernel/locking/lockdep.c:6510 2 locks held by getty/1146: #0: ffff8881001e2898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1c/0x40 drivers/tty/tty_ldisc.c:244 #1: ffffc90000bfb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1a2/0x6e0 drivers/tty/n_tty.c:2198 4 locks held by syz.3.16/3064: 5 locks held by syz.4.17/3487: 4 locks held by syz.5.18/3910: 4 locks held by syz.6.19/4332: 6 locks held by syz.7.20/4755: 4 locks held by syz.8.21/5179: 4 locks held by syz.9.22/5601: 4 locks held by syz.0.23/6025: 4 locks held by syz.1.24/6448: 4 locks held by syz.2.25/6870: 1 lock held by syz.3.26/7294: #0: ffff888103b930e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 fs/super.c:889 1 lock held by syz.4.27/7716: #0: ffff888105bd70e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 fs/super.c:889 1 lock held by syz.5.28/8138: #0: ffff8881133430e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 fs/super.c:889 1 lock held by syz.6.29/8560: #0: ffff88810f4b90e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 fs/super.c:889 1 lock held by syz.7.30/8982: #0: ffff8881456750e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 fs/super.c:889 1 lock held by syz-executor314/9139: #0: ffff88811ac290e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 fs/super.c:889 1 lock held by syz.8.31/9414: #0: ffff888118f140e0 (&type->s_umount_key#44){....}-{3:3}, at: user_get_super+0x7f/0xe0 fs/super.c:889 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.130-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x7f/0xc2 lib/dump_stack.c:106 nmi_cpu_backtrace+0x13e/0x160 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0xa5/0x160 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0x54d/0x570 kernel/hung_task.c:377 kthread+0xd1/0xe0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6025 Comm: syz.0.23 Not tainted 6.1.130-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:reiserfs_bmap_count fs/reiserfs/reiserfs.h:1161 [inline] RIP: 0010:cleanup_bitmap_list+0x9d/0x130 fs/reiserfs/journal.c:230 Code: c7 04 f8 00 00 00 00 49 8b 8d 60 06 00 00 49 8b 75 18 41 ff c6 48 8b 41 08 8b 00 ff c8 48 8d 3c f5 00 00 00 00 31 d2 48 f7 f7 c0 41 39 c6 73 9f 48 8b 45 08 4d 63 fe 4a 8b 1c f8 48 85 db 74 RSP: 0018:ffffc90003f079e0 EFLAGS: 00000246 RAX: 00000000000075ff RBX: 0000000000000000 RCX: ffff888119e4e000 RDX: 0000000000007fff RSI: 0000000000001000 RDI: 0000000000008000 RBP: ffffc90003f48308 R08: 0000000000010606 R09: 0000000000010607 R10: 0000000000000000 R11: 00000000000ec000 R12: ffff88811aed7400 R13: ffff88811ac29000 R14: 0000000000004b12 R15: 0000000000004b11 FS: 00007fee4104d6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7004c31866 CR3: 0000000119fb4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cleanup_freed_for_journal_list fs/reiserfs/journal.c:570 [inline] flush_commit_list+0x4d5/0x6a0 fs/reiserfs/journal.c:1142 get_list_bitmap fs/reiserfs/journal.c:322 [inline] do_journal_end+0xe76/0x1070 fs/reiserfs/journal.c:4361 do_journal_begin_r+0x388/0x490 journal_begin+0x6f/0x110 fs/reiserfs/journal.c:3257 reiserfs_mkdir+0x172/0x320 fs/reiserfs/namei.c:833 xattr_mkdir fs/reiserfs/xattr.c:76 [inline] create_privroot fs/reiserfs/xattr.c:882 [inline] reiserfs_xattr_init+0xbd/0x1f0 fs/reiserfs/xattr.c:1005 reiserfs_fill_super+0xb58/0xc10 fs/reiserfs/super.c:2175 mount_bdev+0x15d/0x1b0 fs/super.c:1443 legacy_get_tree+0x25/0x50 fs/fs_context.c:632 vfs_get_tree+0x1c/0x80 fs/super.c:1573 do_new_mount+0x15a/0x370 fs/namespace.c:3056 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x14b/0x1b0 fs/namespace.c:3584 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fee401874ca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fee4104ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fee4104cef0 RCX: 00007fee401874ca RDX: 0000000020001100 RSI: 00000000200001c0 RDI: 00007fee4104ceb0 RBP: 0000000020001100 R08: 00007fee4104cef0 R09: 0000000000000002 R10: 0000000000000002 R11: 0000000000000246 R12: 00000000200001c0 R13: 00007fee4104ceb0 R14: 000000000000110a R15: 0000000020000c80