ci2 starts bisection 2024-07-12 17:11:53.574399331 +0000 UTC m=+83638.122030937 bisecting fixing commit since a507f147e6f06e86b7649b46bc1d3caa34b196d6 building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9 ensuring issue is reproducible on original commit a507f147e6f06e86b7649b46bc1d3caa34b196d6 testing commit a507f147e6f06e86b7649b46bc1d3caa34b196d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dd8b2c21f2a388d3c90763ccd05b4481b65548bb287e09a1788d7127e3c87354 run #0: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00322a1e0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 125.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #1: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc006f82be0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 125.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #2: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc006f83400] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 125.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #3: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc006f83590] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 125.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #4: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00322a870] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 125.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #5: infra problem: create instance operation failed: &{Code:QUOTA_EXCEEDED ErrorDetails:[0xc00322acd0] Location: Message:Quota 'T2A_CPUS' exceeded. Limit: 125.0 in region us-central1. ForceSendFields:[] NullFields:[]}. run #6: crashed: INFO: task hung in ext4_quota_write run #7: crashed: INFO: task hung in ext4_quota_write run #8: crashed: INFO: task hung in ext4_quota_write run #9: crashed: INFO: task hung in ext4_quota_write run #10: crashed: INFO: task hung in ext4_quota_write run #11: crashed: INFO: task hung in ext4_quota_write run #12: crashed: INFO: task hung in ext4_quota_write run #13: crashed: INFO: task hung in ext4_quota_write run #14: crashed: INFO: task hung in ext4_quota_write run #15: crashed: INFO: task hung in ext4_quota_write run #16: crashed: INFO: task hung in ext4_quota_write run #17: crashed: INFO: task hung in ext4_quota_write run #18: crashed: INFO: task hung in ext4_quota_write run #19: crashed: INFO: task hung in ext4_quota_write representative crash: INFO: task hung in ext4_quota_write, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a507f147e6f06e86b7649b46bc1d3caa34b196d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 655c89e52738ccee38bcdb2daae59060ac5f6c1857a69c16a97f1d3aa8b33e87 run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: INFO: task hung in ext4_quota_write run #2: crashed: INFO: task hung in ext4_quota_write run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: INFO: task hung in synchronize_rcu run #5: crashed: INFO: task hung in synchronize_rcu run #6: crashed: INFO: task hung in ext4_quota_write run #7: crashed: INFO: task hung in synchronize_rcu run #8: crashed: INFO: task hung in ext4_quota_write run #9: crashed: INFO: task hung in synchronize_rcu representative crash: INFO: task hung in synchronize_rcu, 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=7495 full=9695 leaves diff=1932 split chunks (needed=false): <1932> split chunk #0 of len 1932 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 a507f147e6f06e86b7649b46bc1d3caa34b196d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 11f07ce40c6289ca11311ab0eff5886dce34a93d4d522c1cd63f0b0b8d13bfea run #0: crashed: INFO: task hung in ext4_quota_write run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: INFO: task hung in ext4_quota_write run #3: crashed: INFO: task hung in ext4_quota_write run #4: crashed: INFO: task hung in ext4_quota_write run #5: crashed: INFO: task hung in ext4_quota_write run #6: crashed: INFO: task hung in ext4_quota_write run #7: crashed: INFO: task hung in ext4_quota_write run #8: crashed: INFO: task hung in ext4_quota_write run #9: crashed: INFO: task hung in synchronize_rcu representative crash: INFO: task hung in ext4_quota_write, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit a507f147e6f06e86b7649b46bc1d3caa34b196d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c2ccb4f3d549ece6c01e7c91e91f6b4a29bf112c34363a814e010e4fb0c9a99 all runs: boot failed: can't ssh into the instance unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0 testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a507f147e6f06e86b7649b46bc1d3caa34b196d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca661c3aaabac309edc417ddee3cb31e45a4e9b8c03dbc71fb47f7ebfb387ed5 run #0: crashed: INFO: task hung in ext4_quota_write run #1: crashed: INFO: task hung in ext4_quota_write run #2: crashed: INFO: task hung in ext4_quota_write run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: INFO: task hung in ext4_quota_write run #5: crashed: INFO: task hung in ext4_quota_write run #6: crashed: INFO: task hung in ext4_quota_write run #7: crashed: INFO: task hung in ext4_quota_write run #8: crashed: INFO: task hung in ext4_quota_write run #9: crashed: INFO: task hung in synchronize_rcu representative crash: INFO: task hung in ext4_quota_write, 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 a507f147e6f06e86b7649b46bc1d3caa34b196d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a94314057adeb5a9693174fce43430a4ad4e96b903d8527c9f4bb1a94b10be01 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a507f147e6f06e86b7649b46bc1d3caa34b196d6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb0048e739d2f3b41694d0e1aa1354c6d3afa33d865236af2c461ceb3e0e5d41 run #0: crashed: INFO: task hung in ext4_quota_write run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: INFO: task hung in synchronize_rcu run #3: crashed: INFO: task hung in ext4_quota_write run #4: crashed: INFO: task hung in ext4_quota_write run #5: crashed: INFO: task hung in ext4_quota_write run #6: crashed: INFO: task hung in synchronize_rcu run #7: crashed: INFO: task hung in ext4_quota_write run #8: crashed: INFO: task hung in ext4_quota_write run #9: crashed: INFO: task hung in synchronize_rcu representative crash: INFO: task hung in ext4_quota_write, types: [HANG] the chunk can be dropped minimized to 774 configs; suspects: [6LOWPAN ACPI_VIDEO AF_RXRPC ATM AX25 CFG80211 DLM DRM DRM_ROCKCHIP DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_V3D DRM_VC4 DRM_VGEM DRM_VIRTIO_GPU DRM_VKMS DRM_VRAM_HELPER DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 E100 ECRYPT_FS ECRYPT_FS_MESSAGING EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXT4_FS_SECURITY F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FB_DEFERRED_IO FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_FOPS FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VIRTUAL FDDI FIB_RULES FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FRAMEBUFFER_CONSOLE_ROTATION FRONTSWAP FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FW_LOADER_COMPRESS FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GENEVE GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIO_DLN2 GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GTP GVE HAMRADIO HAVE_ARCH_USERFAULTFD_MINOR HAVE_IMA_KEXEC HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HIDRAW HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_CMEDIA HID_CORSAIR HID_CP2112 HID_ELECOM HID_ELO HID_EMS_FF HID_GEMBIRD HID_GFRM HID_GREENASIA HID_GT683R HID_GYRATION HID_HOLTEK HID_ICADE HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MAGICMOUSE HID_MAYFLASH HID_NTI HID_NTRIG HID_ORTEK HID_PANTHERLORD HID_PENMOUNT HID_PETALYNX HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PID HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SAMSUNG HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SMARTJOYPLUS HID_SONY HID_SPEEDLINK HID_STEELSERIES HID_SUNPLUS HID_THINGM HID_THRUSTMASTER HID_TIVO HID_TOPSEED HID_TWINHAN HID_UCLOGIC HID_UDRAW_PS3 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPFS_FS I2C_DIOLAN_U2C I2C_DLN2 I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_AH INET6_ESP INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DCCP_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INFINIBAND_VIRT_DMA INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_JOYSTICK INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_TABLET INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_IPV6HEADER IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_NPT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_ADVANCED_ROUTER IP_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE IP_MROUTE_COMMON IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_CLUSTERIP IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_PIMSM_V1 IP_PIMSM_V2 IP_PNP_RARP IP_ROUTE_CLASSID IP_ROUTE_MULTIPATH IP_ROUTE_VERBOSE IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TTUSBIR ISDN ISDN_CAPI_MIDDLEWARE ISO9660_FS JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOLIET JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE L2TP LAPB LCD_CLASS_DEVICE MAC802154 MEDIA_COMMON_OPTIONS MEDIA_RADIO_SUPPORT MEDIA_TEST_SUPPORT MFD_DLN2 MFD_RETU MFD_VIPERBOARD MPTCP NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFT_FWD_NETDEV NF_CONNTRACK_FTP NF_CONNTRACK_SIP NF_TABLES NF_TABLES_NETDEV OCFS2_FS OCFS2_FS_USERSPACE_CLUSTER OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAHOLE_HAS_BTF_TAG PAHOLE_HAS_SPLIT_BTF PANTHERLORD_FF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PATA_AMD PATA_OLDPIIX PATA_SCH PCCARD PCMCIA PERCPU_STATS PERSISTENT_KEYRINGS PHY_CPCAP_USB PHY_QCOM_USB_HSIC PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_DEBUG PM_SLEEP_DEBUG PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PRISM2_USB PROC_CHILDREN PROC_KCORE PSI PSTORE_842_COMPRESS PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QFMT_V2 QNX4FS_FS QNX6FS_FS QUOTA_NETLINK_INTERFACE QUOTA_TREE R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI4713 RADIO_TEA575X RC_ATI_REMOTE RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP_SOUNDWIRE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROCKCHIP_ANALOGIX_DP ROCKCHIP_CDN_DP ROCKCHIP_DW_HDMI ROCKCHIP_DW_MIPI_DSI ROCKCHIP_INNO_HDMI ROCKCHIP_LVDS ROCKCHIP_VOP ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHEDSTATS SCSI_CONSTANTS SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SCAN_ASYNC SCSI_SPI_ATTRS 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_8250_DETECT_IRQ SERIAL_8250_MANY_PORTS SERIAL_8250_RSA SERIO_SERPORT SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_AUDIO_GRAPH_CARD SND_AUDIO_GRAPH_CARD2 SND_BCD2000 SND_BCM2835_SOC_I2S SND_COMPRESS_OFFLOAD SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMAENGINE_PCM SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_ALIGNED_MMIO 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_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_TEGRA SND_HRTIMER SND_HWDEP SND_IMX_SOC SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MESON_AIU SND_MESON_AXG_FIFO SND_MESON_AXG_FRDDR SND_MESON_AXG_PDM SND_MESON_AXG_SOUND_CARD SND_MESON_AXG_SPDIFIN SND_MESON_AXG_SPDIFOUT SND_MESON_AXG_TDMIN SND_MESON_AXG_TDMOUT SND_MESON_AXG_TDM_FORMATTER SND_MESON_AXG_TDM_INTERFACE SND_MESON_AXG_TODDR SND_MESON_CARD_UTILS SND_MESON_CODEC_GLUE SND_MESON_G12A_TOACODEC SND_MESON_G12A_TOHDMITX SND_MESON_GX_SOUND_CARD SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCM_ELD SND_PCM_IEC958 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_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SIMPLE_CARD SND_SIMPLE_CARD_UTILS SND_SOC SND_SOC_ADAU7002 SND_SOC_AK4613 SND_SOC_APPLE_MCA SND_SOC_APQ8016_SBC SND_SOC_COMPRESS SND_SOC_DA7219 SND_SOC_DMIC SND_SOC_ES7134 SND_SOC_ES7241 SND_SOC_FSL_ASOC_CARD SND_SOC_FSL_ASRC SND_SOC_FSL_AUDMIX SND_SOC_FSL_EASRC SND_SOC_FSL_ESAI SND_SOC_FSL_MICFIL SND_SOC_FSL_SAI SND_SOC_FSL_SPDIF SND_SOC_FSL_SSI SND_SOC_FSL_UTILS SND_SOC_GENERIC_DMAENGINE_PCM SND_SOC_GTM601 SND_SOC_HDMI_CODEC SND_SOC_I2C_AND_SPI SND_SOC_IMX_AUDMIX SND_SOC_IMX_AUDMUX SND_SOC_IMX_PCM_DMA SND_SOC_IMX_SGTL5000 SND_SOC_IMX_SPDIF SND_SOC_LPASS_APQ8016 SND_SOC_LPASS_CDC_DMA SND_SOC_LPASS_CPU SND_SOC_LPASS_HDMI SND_SOC_LPASS_MACRO_COMMON SND_SOC_LPASS_PLATFORM SND_SOC_LPASS_RX_MACRO SND_SOC_LPASS_SC7180 SND_SOC_LPASS_SC7280 SND_SOC_LPASS_TX_MACRO SND_SOC_LPASS_VA_MACRO SND_SOC_LPASS_WSA_MACRO SND_SOC_MAX98357A SND_SOC_MAX98927 SND_SOC_MESON_T9015 SND_SOC_MSM8916_WCD_ANALOG SND_SOC_MSM8916_WCD_DIGITAL SND_SOC_MSM8996 SND_SOC_NAU8822 SND_SOC_PCM3168A SND_SOC_PCM3168A_I2C SND_SOC_QCOM SND_SOC_QCOM_COMMON SND_SOC_QCOM_SDW SND_SOC_QDSP6 SND_SOC_QDSP6_ADM SND_SOC_QDSP6_AFE SND_SOC_QDSP6_AFE_CLOCKS SND_SOC_QDSP6_AFE_DAI SND_SOC_QDSP6_APM SND_SOC_QDSP6_APM_DAI SND_SOC_QDSP6_APM_LPASS_DAI SND_SOC_QDSP6_ASM SND_SOC_QDSP6_ASM_DAI SND_SOC_QDSP6_COMMON SND_SOC_QDSP6_CORE SND_SOC_QDSP6_PRM SND_SOC_QDSP6_PRM_LPASS_CLOCKS SND_SOC_QDSP6_ROUTING SND_SOC_RCAR SND_SOC_RK3399_GRU_SOUND SND_SOC_RL6231 SND_SOC_ROCKCHIP SND_SOC_ROCKCHIP_I2S SND_SOC_ROCKCHIP_RT5645 SND_SOC_ROCKCHIP_SPDIF SND_SOC_RT5514 SND_SOC_RT5514_SPI SND_SOC_RT5645 SND_SOC_RT5659 SND_SOC_RT5663 SND_SOC_RT5682 SND_SOC_RT5682S SND_SOC_RT5682_I2C SND_SOC_RZ SND_SOC_SAMSUNG SND_SOC_SC7180 SND_SOC_SC7280 SND_SOC_SDM845 SND_SOC_SGTL5000 SND_SOC_SIMPLE_AMPLIFIER SND_SOC_SIMPLE_MUX SND_SOC_SM8250 SND_SOC_SPDIF SND_SOC_TAS571X SND_SOC_TEGRA SND_SOC_TEGRA186_ASRC SND_SOC_TEGRA186_DSPK SND_SOC_TEGRA210_ADMAIF SND_SOC_TEGRA210_ADX SND_SOC_TEGRA210_AHUB SND_SOC_TEGRA210_AMX SND_SOC_TEGRA210_DMIC SND_SOC_TEGRA210_I2S SND_SOC_TEGRA210_MIXER SND_SOC_TEGRA210_MVC SND_SOC_TEGRA210_OPE SND_SOC_TEGRA210_SFC SND_SOC_TEGRA_AUDIO_GRAPH_CARD SND_SOC_TLV320AIC31XX SND_SOC_TLV320AIC32X4 SND_SOC_TLV320AIC32X4_I2C SND_SOC_TOPOLOGY SND_SOC_WCD9335 SND_SOC_WCD934X SND_SOC_WCD938X SND_SOC_WCD938X_SDW SND_SOC_WCD_MBHC SND_SOC_WM8524 SND_SOC_WM8904 SND_SOC_WM8960 SND_SOC_WM8962 SND_SOC_WM8978 SND_SOC_WM8994 SND_SOC_WM_HUBS SND_SOC_WSA881X SND_SPI SND_SUN4I_I2S SND_SUN4I_SPDIF SND_SUN50I_CODEC_ANALOG SND_SUN8I_ADDA_PR_REGMAP SND_SUN8I_CODEC SND_SUN8I_CODEC_ANALOG 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_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE_QCOM SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI_DLN2 SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STREAM_PARSER SUN_PARTITION SW_SYNC SYN_COOKIES 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 TCG_CRB TCG_TIS_I2C_INFINEON TCG_TPM TCP_CONG_ADVANCED 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 TCP_MD5SIG TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THRUSTMASTER_FF TIPC TIPC_CRYPTO TWL4030_CORE USB_STORAGE_REALTEK VXLAN WAN WIRELESS WLAN XFRM ZONE_DEVICE] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed testing current HEAD 266ee8e06d5baa186a0b5b8727eb99ae2d00dc9c testing commit 266ee8e06d5baa186a0b5b8727eb99ae2d00dc9c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fc39b1e673b8e7b7cb86084413d24df6a472d1195b0e3729cde98d81a930c66a run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: INFO: task hung in synchronize_rcu run #3: crashed: INFO: task hung in ext4_quota_write run #4: crashed: INFO: task hung in ext4_quota_write run #5: crashed: INFO: task hung in synchronize_rcu run #6: crashed: INFO: task hung in synchronize_rcu run #7: crashed: INFO: task hung in synchronize_rcu run #8: crashed: INFO: task hung in synchronize_rcu run #9: crashed: INFO: task hung in ext4_quota_write representative crash: INFO: task hung in synchronize_rcu, types: [HANG] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h40m13.28754283s (build: 44m15.842384705s, test: 53m19.574464271s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.98 crash: INFO: task hung in synchronize_rcu INFO: task kworker/u4:2:69 blocked for more than 143 seconds. Not tainted 6.1.98-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:2 state:D stack:0 pid:69 ppid:2 flags:0x00000008 Workqueue: events_unbound quota_release_workfn Call trace: __switch_to+0x210/0x424 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5245 [inline] __schedule+0x570/0x880 kernel/sched/core.c:6558 schedule+0x58/0xe0 kernel/sched/core.c:6634 schedule_timeout+0x60/0x180 kernel/time/timer.c:1941 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common+0xd8/0x198 kernel/sched/completion.c:117 wait_for_completion+0x18/0x24 kernel/sched/completion.c:138 __synchronize_srcu+0x12c/0x16c kernel/rcu/srcutree.c:1243 synchronize_srcu+0x100/0x114 quota_release_workfn+0x7c/0x284 fs/quota/dquot.c:826 process_one_work+0x29c/0x4a4 kernel/workqueue.c:2292 worker_thread+0x31c/0x56c kernel/workqueue.c:2439 kthread+0x108/0x128 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 INFO: task syz-executor.0:3393 blocked for more than 143 seconds. Not tainted 6.1.98-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:0 pid:3393 ppid:3251 flags:0x00000005 Call trace: __switch_to+0x210/0x424 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5245 [inline] __schedule+0x570/0x880 kernel/sched/core.c:6558 schedule+0x58/0xe0 kernel/sched/core.c:6634 io_schedule+0x38/0x98 kernel/sched/core.c:8786 bit_wait_io+0x18/0x60 kernel/sched/wait_bit.c:209 __wait_on_bit_lock+0xc8/0x208 kernel/sched/wait_bit.c:90 out_of_line_wait_on_bit_lock+0x80/0xa8 kernel/sched/wait_bit.c:117 wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline] __lock_buffer+0x5c/0x90 fs/buffer.c:69 lock_buffer include/linux/buffer_head.h:397 [inline] ext4_quota_write+0x208/0x30c fs/ext4/super.c:7162 qtree_write_dquot+0xb0/0x204 fs/quota/quota_tree.c:431 v2_write_dquot+0x70/0xb0 fs/quota/quota_v2.c:358 dquot_commit+0x158/0x1e8 fs/quota/dquot.c:514 ext4_write_dquot+0x9c/0x12c fs/ext4/super.c:6753 ext4_mark_dquot_dirty+0x60/0x94 fs/ext4/super.c:6813 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty fs/quota/dquot.c:412 [inline] dquot_alloc_inode+0x2d4/0x41c fs/quota/dquot.c:1800 ext4_xattr_inode_alloc_quota fs/ext4/xattr.c:883 [inline] ext4_xattr_set_entry+0x284/0x1570 fs/ext4/xattr.c:1665 ext4_xattr_block_set+0x238/0x1318 fs/ext4/xattr.c:1920 ext4_xattr_set_handle+0x6e4/0x994 fs/ext4/xattr.c:2406 ext4_xattr_set+0x100/0x1d0 fs/ext4/xattr.c:2508 ext4_xattr_user_set+0x78/0x90 fs/ext4/xattr_user.c:41 __vfs_setxattr+0x234/0x244 fs/xattr.c:182 __vfs_setxattr_noperm+0xcc/0x320 fs/xattr.c:216 __vfs_setxattr_locked+0x168/0x190 fs/xattr.c:277 vfs_setxattr+0xf4/0x1f4 fs/xattr.c:309 do_setxattr fs/xattr.c:594 [inline] setxattr+0x270/0x2c0 fs/xattr.c:617 path_setxattr+0xd0/0x17c fs/xattr.c:636 __do_sys_setxattr fs/xattr.c:652 [inline] __se_sys_setxattr fs/xattr.c:648 [inline] __arm64_sys_setxattr+0x2c/0x40 fs/xattr.c:648 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x64/0x178 arch/arm64/kernel/syscall.c:52 el0_svc_common+0xb8/0x174 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x48/0x174 arch/arm64/kernel/syscall.c:204 el0_svc+0x34/0x100 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff80000cc79ce8 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:516 [inline] #0: ffff80000cc79ce8 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0xb4/0x368 kernel/rcu/tasks.h:561 1 lock held by rcu_tasks_trace/13: #0: ffff80000cc7a338 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:516 [inline] #0: ffff80000cc7a338 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0xb4/0x368 kernel/rcu/tasks.h:561 1 lock held by khungtaskd/28: #0: ffff80000cc79bc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:349 2 locks held by kworker/u4:2/69: #0: ffff0000c0018138 ((wq_completion)events_unbound){....}-{0:0}, at: process_one_work+0x23c/0x4a4 kernel/workqueue.c:2265 #1: ffff80000ee03d80 ((quota_release_work).work){....}-{0:0}, at: process_one_work+0x268/0x4a4 kernel/workqueue.c:2267 2 locks held by getty/2987: #0: ffff0000c75fe098 (&tty->ldisc_sem){....}-{0:0}, at: ldsem_down_read+0x2c/0x3c drivers/tty/tty_ldsem.c:340 #1: ffff80000eece2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x290/0xcc4 drivers/tty/n_tty.c:2198 6 locks held by syz-executor.0/3393: #0: ffff0000c9373450 (sb_writers#3){....}-{0:0}, at: mnt_want_write+0x20/0x64 fs/namespace.c:393 #1: ffff0000ca210400 (&type->i_mutex_dir_key#3){....}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #1: ffff0000ca210400 (&type->i_mutex_dir_key#3){....}-{3:3}, at: vfs_setxattr+0xd4/0x1f4 fs/xattr.c:308 #2: ffff0000ca2100c8 (&ei->xattr_sem){....}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline] #2: ffff0000ca2100c8 (&ei->xattr_sem){....}-{3:3}, at: ext4_xattr_set_handle+0xcc/0x994 fs/ext4/xattr.c:2321 #3: ffff80000cc9ef00 (dquot_srcu){....}-{0:0}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:349 #4: ffff0000ca3e20a8 (&dquot->dq_lock){....}-{3:3}, at: dquot_commit+0x34/0x1e8 fs/quota/dquot.c:507 #5: ffff0000c93731f8 (&s->s_dquot.dqio_sem){....}-{3:3}, at: v2_write_dquot+0x44/0xb0 fs/quota/quota_v2.c:356 =============================================