ci2 starts bisection 2024-05-20 06:10:28.548194799 +0000 UTC m=+195001.084243336
bisecting cause commit starting from dccb07f2914cdab2ac3a5b6c98406f765acab803
building syzkaller on 4cf3f9b3f15d248d052cd369d23308c953d657d9
ensuring issue is reproducible on original commit dccb07f2914cdab2ac3a5b6c98406f765acab803

testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 34f168d331da91876215873021ed93ea85b7be51a6db8666047fb57b81d063f8
run #0: crashed: general protection fault in __block_commit_write
run #1: crashed: general protection fault in __block_commit_write
run #2: crashed: general protection fault in __block_commit_write
run #3: crashed: general protection fault in __block_commit_write
run #4: crashed: general protection fault in __block_commit_write
run #5: crashed: general protection fault in __block_commit_write
run #6: crashed: general protection fault in __block_commit_write
run #7: crashed: general protection fault in __block_commit_write
run #8: crashed: general protection fault in __block_commit_write
run #9: crashed: general protection fault in __block_commit_write
run #10: crashed: general protection fault in __block_commit_write
run #11: crashed: general protection fault in __block_commit_write
run #12: crashed: general protection fault in __block_commit_write
run #13: crashed: general protection fault in __block_commit_write
run #14: crashed: general protection fault in __block_commit_write
run #15: crashed: general protection fault in __block_commit_write
run #16: crashed: general protection fault in __block_commit_write
run #17: crashed: general protection fault in __block_commit_write
run #18: OK
run #19: crashed: general protection fault in __block_commit_write
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 44a4c257f150e16313f081de7428169632757e2d273e7376abeef9f254eb11c4
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in __block_commit_write
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: BUG: unable to handle kernel NULL pointer dereference in __block_commit_write, types: [UNKNOWN]
kconfig minimization: base=3971 full=8000 leaves diff=2014
split chunks (needed=false): <2014>
split chunk #0 of len 2014 into 5 parts
testing without sub-chunk 1/5
testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a745180b9a9bcebcd2e2c7a4111e2114751c7ada419a6d5dd299bf886e0c0137
run #0: crashed: general protection fault in __block_commit_write
run #1: crashed: general protection fault in __block_commit_write
run #2: crashed: general protection fault in __block_commit_write
run #3: crashed: general protection fault in __block_commit_write
run #4: crashed: general protection fault in __block_commit_write
run #5: crashed: general protection fault in __block_commit_write
run #6: crashed: general protection fault in __block_commit_write
run #7: crashed: general protection fault in __block_commit_write
run #8: OK
run #9: crashed: general protection fault in __block_commit_write
run #10: crashed: general protection fault in __block_commit_write
run #11: crashed: general protection fault in __block_commit_write
run #12: crashed: general protection fault in __block_commit_write
run #13: crashed: general protection fault in __block_commit_write
run #14: crashed: general protection fault in __block_commit_write
run #15: crashed: general protection fault in __block_commit_write
run #16: crashed: general protection fault in __block_commit_write
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c9a8a30316436b2bf38ac315311ed10b807e5d6af0c64258627e2f42c95cd9c1
run #0: crashed: general protection fault in __block_commit_write
run #1: crashed: general protection fault in __block_commit_write
run #2: crashed: general protection fault in __block_commit_write
run #3: crashed: general protection fault in __block_commit_write
run #4: crashed: general protection fault in __block_commit_write
run #5: crashed: general protection fault in __block_commit_write
run #6: crashed: general protection fault in __block_commit_write
run #7: crashed: general protection fault in __block_commit_write
run #8: crashed: general protection fault in __block_commit_write
run #9: crashed: general protection fault in __block_commit_write
run #10: crashed: general protection fault in __block_commit_write
run #11: crashed: general protection fault in __block_commit_write
run #12: crashed: general protection fault in __block_commit_write
run #13: crashed: general protection fault in __block_commit_write
run #14: crashed: general protection fault in __block_commit_write
run #15: crashed: general protection fault in __block_commit_write
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b44dc3e4d017a33ca186d5ad144c9704f0298633f1b550032b68598dd31481d4
run #0: crashed: general protection fault in __block_commit_write
run #1: crashed: general protection fault in __block_commit_write
run #2: crashed: general protection fault in __block_commit_write
run #3: crashed: general protection fault in __block_commit_write
run #4: crashed: general protection fault in __block_commit_write
run #5: crashed: general protection fault in __block_commit_write
run #6: crashed: general protection fault in __block_commit_write
run #7: crashed: general protection fault in __block_commit_write
run #8: crashed: general protection fault in __block_commit_write
run #9: crashed: general protection fault in __block_commit_write
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0c1a67ed81c860e357ff396132cd523dfdf33e1951fdbe22072221fdb12b0fea
run #0: crashed: general protection fault in __block_commit_write
run #1: crashed: general protection fault in __block_commit_write
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
testing without sub-chunk 5/5
testing commit dccb07f2914cdab2ac3a5b6c98406f765acab803 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 37196126a4a6d17eb945e8e9565b673bb433401700046c07a93bc9f9371dedc0
run #0: crashed: general protection fault in __block_commit_write
run #1: crashed: general protection fault in __block_commit_write
run #2: crashed: general protection fault in __block_commit_write
run #3: crashed: general protection fault in __block_commit_write
run #4: crashed: general protection fault in __block_commit_write
run #5: crashed: general protection fault in __block_commit_write
run #6: crashed: general protection fault in __block_commit_write
run #7: crashed: general protection fault in __block_commit_write
run #8: crashed: general protection fault in __block_commit_write
run #9: crashed: general protection fault in __block_commit_write
run #10: crashed: general protection fault in __block_commit_write
run #11: crashed: general protection fault in __block_commit_write
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
the chunk can be dropped
minimized to 403 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_CONNTRACK_SNMP NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS 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_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI 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 SCREEN_INFO SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_SCODEC_COMPONENT 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_SOC SND_SOC_I2C_AND_SPI 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 SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT 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 TMPFS_QUOTA TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE]
picked [v6.8 v6.7 v6.6 v6.4 v6.2 v6.0 v5.18 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 31 release tags
testing release v6.8
testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7e1aeba442b5231906fc87f5cbe7dfc882cdf0aa31bc6d34e47ee7febb5b1cd7
run #0: crashed: general protection fault in __block_commit_write
run #1: crashed: general protection fault in __block_commit_write
run #2: crashed: general protection fault in __block_commit_write
run #3: crashed: general protection fault in __block_commit_write
run #4: crashed: general protection fault in __block_commit_write
run #5: crashed: general protection fault in __block_commit_write
run #6: crashed: general protection fault in __block_commit_write
run #7: crashed: general protection fault in __block_commit_write
run #8: crashed: general protection fault in __block_commit_write
run #9: crashed: general protection fault in __block_commit_write
run #10: crashed: general protection fault in __block_commit_write
run #11: crashed: general protection fault in __block_commit_write
run #12: crashed: general protection fault in __block_commit_write
run #13: crashed: general protection fault in __block_commit_write
run #14: crashed: general protection fault in __block_commit_write
run #15: crashed: general protection fault in __block_commit_write
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
testing release v6.7
testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c215934597d907e74d559fdb4d66d03a4518a922b39b900b44688cdb12e33ba4
all runs: crashed: general protection fault in __block_commit_write
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
testing release v6.6
testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dc33b5d9b060a745ecfb04b49a185994de9bbcdd4f1bc109fb840dd375d52043
all runs: crashed: general protection fault in __block_commit_write
representative crash: general protection fault in __block_commit_write, types: [UNKNOWN]
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e9308c153838abcb3ed28b4edc2a6340e43c2168c861c8097775632e52aa913d
all runs: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 10773f3f9c07f3d1a4fe790838eb151d780d13040f98ced4b556a8f3d6d011ad
all runs: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f9e25b1e9de7afa54d607fe6797f48749dcd173d5b097f71aa4e7ad564ba1f14
all runs: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
testing release v5.18
testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f082068b5d7119eeb1ee99153de1186554813c8e46ed934e6af4f20701027b48
all runs: crashed: kernel BUG in ext4_write_inline_data_end
representative crash: kernel BUG in ext4_write_inline_data_end, types: [BUG]
testing release v5.16
testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a31bb3db5141bea8772d4773101c205269065bb920bf33841adc84778aba5e9a
all runs: boot failed: UBSAN: null-ptr-deref in corrupted
unable to determine the verdict: 0 good runs (wanted 15), for bad wanted 10 in total, got 0
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 22943c7793cfa8a34d0228d02ace53ee90ce3e99a6596291c64edae6e54a76ea
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ee79246a3bc5ef273909c03c0b05c0c6408b4a5967f5015dff3c71178594e8f1
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc
compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e9231ec1e0580a7d76085bcd7036f904fc49d697d83c131db5f94cdcf89cf047
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 12d092aefeebb466d63954d03b7f782e9821156bfbd71ca877a50906755e3e1c
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fe23aa1eae22f62d563044fd1b7663013da7364558c0be8b5a256780ebd87233
run #0: crashed: kernel BUG in ext4_write_inline_data
run #1: crashed: kernel BUG in ext4_write_inline_data
run #2: crashed: kernel BUG in ext4_write_inline_data
run #3: crashed: kernel BUG in ext4_write_inline_data
run #4: crashed: kernel BUG in ext4_write_inline_data
run #5: crashed: kernel BUG in __block_commit_write
run #6: crashed: kernel BUG in ext4_write_inline_data
run #7: crashed: kernel BUG in ext4_write_inline_data
run #8: crashed: kernel BUG in ext4_write_inline_data
run #9: crashed: kernel BUG in ext4_write_inline_data
run #10: crashed: kernel BUG in ext4_write_inline_data
run #11: crashed: kernel BUG in ext4_write_inline_data
run #12: crashed: kernel BUG in ext4_write_inline_data
run #13: crashed: kernel BUG in ext4_write_inline_data
run #14: crashed: kernel BUG in ext4_write_inline_data
run #15: crashed: kernel BUG in ext4_write_inline_data
run #16: crashed: kernel BUG in ext4_write_inline_data
run #17: crashed: kernel BUG in ext4_write_inline_data
run #18: crashed: kernel BUG in ext4_write_inline_data
run #19: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 35c1b5b4ba90d904bd7c50da75974a1030d11a197a3373848873226115ea2289
all runs: crashed: kernel BUG in ext4_write_inline_data
representative crash: kernel BUG in ext4_write_inline_data, types: [BUG]
crash still not fixed/happens on the oldest tested release
reproducer is flaky (0.60 repro chance estimate)
revisions tested: 21, total time: 4h17m1.718441708s (build: 1h37m14.006009437s, test: 2h32m30.41468206s)
oldest tested release already had the bug or it had kernel test errors
commit msg: Linux 4.19
crash: kernel BUG in ext4_write_inline_data
EXT4-fs (loop0): Remounting filesystem read-only
EXT4-fs (loop0): mounted filesystem without journal. Opts: jqfmt=vfsv0,errors=remount-ro,
EXT4-fs error (device loop0): ext4_mb_generate_buddy:747: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters
EXT4-fs (loop0): Remounting filesystem read-only
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:222!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 3089 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:ext4_write_inline_data.isra.6+0x27a/0x440 fs/ext4/inline.c:222
Code: 4c 01 e7 e8 b8 ca c7 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 5d c3 47 8d 4c 01 c4 41 bd 3c 00 00 00 45 29 c5 e9 1a ff ff ff 0f 0b <0f> 0b 44 89 4d bc 4c 89 45 c0 48 89 4d c8 48 89 55 d0 48 89 75 d8
RSP: 0018:ffff8800a8c0f7a0 EFLAGS: 00010212
RAX: 000000000000003c RBX: ffff88009b098a10 RCX: ffff8800992d3000
RDX: ffff8800a8c0f848 RSI: ffff8800a8c0f840 RDI: ffff88009b098ec0
RBP: ffff8800a8c0f7e8 R08: 0000000000000020 R09: 0000000000000020
R10: 1ffff100136131d8 R11: 0000000000000001 R12: ffff8800a8c88000
R13: 0000000000000040 R14: ffff8800a8c0f840 R15: ffff8800a8c0f880
FS:  00007faa13e1c6c0(0000) GS:ffff8800bac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faa0bafb000 CR3: 00000000ab27e000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_write_inline_data_end+0x1df/0x530 fs/ext4/inline.c:751
 ext4_da_write_inline_data_end+0x19/0x200 fs/ext4/inline.c:948
 ext4_da_write_end+0x367/0x980 fs/ext4/inode.c:3170
 generic_perform_write+0x2ef/0x490 mm/filemap.c:3150
 __generic_file_write_iter+0x2fd/0x510 mm/filemap.c:3264
 ext4_file_write_iter+0x75d/0x1060 fs/ext4/file.c:266
 call_write_iter include/linux/fs.h:1808 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x3cc/0x760 fs/read_write.c:487
 vfs_write+0x150/0x4d0 fs/read_write.c:549
 ksys_write+0xcd/0x1b0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x6e/0xb0 fs/read_write.c:607
 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7faa1429ad69
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:00007faa13e1c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007faa143c8f80 RCX: 00007faa1429ad69
RDX: 0000000000000020 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007faa142e749e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007faa143c8f80 R15: 00007ffd02d58208
Modules linked in:
---[ end trace bddc2abe74393ea6 ]---
RIP: 0010:ext4_write_inline_data.isra.6+0x27a/0x440 fs/ext4/inline.c:222
Code: 4c 01 e7 e8 b8 ca c7 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 5d c3 47 8d 4c 01 c4 41 bd 3c 00 00 00 45 29 c5 e9 1a ff ff ff 0f 0b <0f> 0b 44 89 4d bc 4c 89 45 c0 48 89 4d c8 48 89 55 d0 48 89 75 d8
RSP: 0018:ffff8800a8c0f7a0 EFLAGS: 00010212
RAX: 000000000000003c RBX: ffff88009b098a10 RCX: ffff8800992d3000
RDX: ffff8800a8c0f848 RSI: ffff8800a8c0f840 RDI: ffff88009b098ec0
RBP: ffff8800a8c0f7e8 R08: 0000000000000020 R09: 0000000000000020
R10: 1ffff100136131d8 R11: 0000000000000001 R12: ffff8800a8c88000
R13: 0000000000000040 R14: ffff8800a8c0f840 R15: ffff8800a8c0f880
FS:  00007faa13e1c6c0(0000) GS:ffff8800bac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faa0bafb000 CR3: 00000000ab27e000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400