ci starts bisection 2023-12-10 15:19:32.923100924 +0000 UTC m=+272097.028558687 bisecting fixing commit since e8f75c0270d930ef675fee22d74d1a3250e96962 building syzkaller on 8064cb02abe85f2c6b7c5ae84cdeacef133e6474 ensuring issue is reproducible on original commit e8f75c0270d930ef675fee22d74d1a3250e96962 testing commit e8f75c0270d930ef675fee22d74d1a3250e96962 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 37dc20b02bdce4db726fdfee318b8d4b2adcfea21aebd84ec693911c1633303c run #0: crashed: general protection fault in unlink_file_vma run #1: crashed: KASAN: wild-memory-access Read in __fput run #2: crashed: general protection fault in cpuacct_account_field run #3: crashed: BUG: Bad page map run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #5: crashed: kernel panic: corrupted stack end in corrupted run #6: crashed: general protection fault in corrupted run #7: crashed: BUG: unable to handle kernel paging request in corrupted run #8: crashed: UBSAN: shift-out-of-bounds in __radix_tree_lookup run #9: crashed: UBSAN: shift-out-of-bounds in __radix_tree_lookup run #10: crashed: kernel panic: corrupted stack end in do_sys_ftruncate run #11: crashed: general protection fault in ieee80211_queue_skb run #12: crashed: general protection fault in unmap_vmas run #13: crashed: general protection fault in psi_account_irqtime run #14: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor610463543" "root@10.128.10.46:./syz-executor610463543"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.10.46, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.46 [10.128.10.46] port 22. debug1: connect to address 10.128.10.46 port 22: Connection timed out ssh: connect to host 10.128.10.46 port 22: Connection timed out scp: Connection closed run #15: crashed: no output from test machine run #16: crashed: general protection fault in account_system_index_time run #17: crashed: BUG: unable to handle kernel NULL pointer dereference in __hrtimer_run_queues run #18: crashed: general protection fault in skb_set_owner_w run #19: OK representative crash: general protection fault in unlink_file_vma, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit e8f75c0270d930ef675fee22d74d1a3250e96962 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9bdd93bd7955a8bee1039ef639bc545a94cb958c35359def661fae3315b997e6 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in cpuacct_account_field 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 cpuacct_account_field, types: [UNKNOWN] kconfig minimization: base=3923 full=7595 leaves diff=2005 split chunks (needed=false): <2005> split chunk #0 of len 2005 into 5 parts testing without sub-chunk 1/5 testing commit e8f75c0270d930ef675fee22d74d1a3250e96962 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3d8a1377cc341ff007afa75c42d21928d7f745a79aa11861f0077b1ae62c8cd5 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read run #1: crashed: KASAN: null-ptr-deref Read in __fput run #2: crashed: BUG: unable to handle kernel paging request in __stack_depot_save run #3: crashed: BUG: unable to handle kernel paging request in simple_dentry_operations run #4: crashed: BUG: Bad page map run #5: crashed: general protection fault in ieee80211_queue_skb run #6: crashed: UBSAN: shift-out-of-bounds in __radix_tree_lookup run #7: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #8: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #9: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #10: crashed: general protection fault in __task_pid_nr_ns run #11: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #12: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #13: crashed: UBSAN: shift-out-of-bounds in __radix_tree_lookup run #14: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #15: crashed: possible deadlock in __run_timers run #16: crashed: general protection fault in debug_check_no_obj_freed run #17: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core run #18: OK run #19: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in filemap_read, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 testing commit e8f75c0270d930ef675fee22d74d1a3250e96962 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3545b2f30b81a546583a7cda36aaa5700f864b5e41d682832272fb100c055e1e run #0: crashed: KASAN: slab-use-after-free Read in timerqueue_add run #1: crashed: kernel panic: corrupted stack end in do_sys_ftruncate run #2: crashed: general protection fault in unlink_file_vma run #3: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #4: crashed: stack segment fault in __stack_depot_save run #5: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #6: crashed: KASAN: null-ptr-deref Write in mld_sendpack run #7: crashed: general protection fault in update_blocked_averages run #8: crashed: BUG: unable to handle kernel paging request in __stack_depot_save run #9: crashed: general protection fault in unlink_anon_vmas run #10: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #11: crashed: general protection fault in unlink_file_vma run #12: crashed: general protection fault in __call_rcu_common run #13: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #14: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #15: crashed: BUG: unable to handle kernel paging request in corrupted run #16: crashed: general protection fault in timerqueue_del run #17: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #18: OK run #19: OK representative crash: kernel panic: corrupted stack end in do_sys_ftruncate, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 testing commit e8f75c0270d930ef675fee22d74d1a3250e96962 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4c9a24fbfe056d9fba85f3272a4cdf27bbccbf9930061dd8b017e6606622e2d run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #1: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #2: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #3: crashed: general protection fault in percpu_counter_destroy run #4: crashed: KASAN: global-out-of-bounds Read in sock_wfree run #5: crashed: general protection fault in corrupted run #6: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #7: crashed: general protection fault in timerqueue_add run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #9: crashed: general protection fault in update_blocked_averages run #10: crashed: KASAN: null-ptr-deref Read in __fput run #11: crashed: general protection fault in update_blocked_averages run #12: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #13: crashed: KASAN: unknown-crash Read in timerqueue_add run #14: crashed: general protection fault in remove_vma run #15: crashed: general protection fault in account_system_index_time run #16: crashed: general protection fault in pid_task run #17: OK run #18: OK run #19: OK representative crash: BUG: unable to handle kernel NULL pointer dereference in corrupted, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 testing commit e8f75c0270d930ef675fee22d74d1a3250e96962 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe477a178d3198909a0ea57e3398216985cd757852f34b9ce2ba5c14f633eb8c all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 testing commit e8f75c0270d930ef675fee22d74d1a3250e96962 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 54294c66c65299cdb850bd05fab5db947224dc63533cf36c60eb674a8da88b4a run #0: crashed: BUG: Bad rss-counter state run #1: crashed: general protection fault in remove_vma run #2: crashed: general protection fault, probably for non-canonical addrSeaBIOS (version NUM.NUM.NUM-google) run #3: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #4: crashed: general protection fault in ext4_file_write_iter run #5: crashed: KASAN: global-out-of-bounds Read in locks_remove_posix run #6: crashed: go runtime error run #7: crashed: general protection fault, probably for non-canonical addr[ NUM.ADDR][ SeaBIOS (version NUM.NUM.NUM-google) run #8: crashed: KASAN: out-of-bounds Read in timerqueue_del run #9: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #10: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #11: crashed: VFS: Close: file count is zero (use-after-free) run #12: crashed: general protection fault in mas_ascend run #13: crashed: INFO: trying to register non-static key in exit_fs run #14: crashed: general protection fault in wait_for_lsr run #15: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #16: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #17: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #18: OK run #19: OK representative crash: BUG: Bad rss-counter state, types: [UNKNOWN] the chunk can be dropped minimized to 401 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CC_HAS_UBSAN_BOUNDS 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_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP 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 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_POOL_STATS 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 PER_VMA_LOCK_STATS 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 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS 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 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_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_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 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 UBSAN_ONLY_BOUNDS 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_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID 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] testing current HEAD c527f5606aa545233a4d2c6d5c636ed82b8633ef testing commit c527f5606aa545233a4d2c6d5c636ed82b8633ef gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8d9ef87fb6df557224df1b0b6df45e1f2b78eb6900bccebe38b78511ea2d17cc run #0: crashed: general protection fault in bio_first_folio run #1: crashed: general protection fault, probably for non-canonical addrSeaBIOS (version NUM.NUM.NUM-google) run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted run #3: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #4: crashed: BUG: unable to handle kernel paging request in __handle_mm_fault run #5: crashed: WARNING: locking bug in hrtimer_interrupt run #6: crashed: BUG: unable to handle kernel paging request in corrupted run #7: crashed: kernel BUG in corrupted run #8: crashed: WARNING: locking bug in hrtimer_interrupt run #9: crashed: BUG: Bad page map run #10: crashed: general protection fault in filp_flush run #11: crashed: kernel panic: corrupted stack end in corrupted run #12: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #13: crashed: BUG: Bad rss-counter state run #14: crashed: general protection fault in update_blocked_averages run #15: crashed: KASAN: stack-out-of-bounds Read in do_exit run #16: crashed: BUG: unable to handle kernel paging request in leaf_paste_in_buffer run #17: OK run #18: OK run #19: OK representative crash: general protection fault in bio_first_folio, types: [UNKNOWN] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.90 repro chance estimate) revisions tested: 8, total time: 3h16m37.558253528s (build: 1h46m5.37245444s, test: 1h16m23.85931952s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'powerpc-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux crash: general protection fault in bio_first_folio general protection fault, probably for non-canonical address 0xdffffc000000000a: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000050-0x0000000000000057] CPU: 1 PID: 35 Comm: kworker/u4:2 Not tainted 6.7.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work RIP: 0010:bio_first_folio+0x87/0x4f0 include/linux/bio.h:289 Code: 48 c1 ea 03 80 3c 02 00 0f 85 fc 03 00 00 48 b8 00 00 00 00 00 fc ff df 49 63 ed 48 c1 e5 04 48 03 6e 68 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 c9 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b RSP: 0018:ffffc90000abfa80 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: ffffc90000abfb50 RCX: ffffffff81593027 RDX: 000000000000000a RSI: ffff888073540e00 RDI: ffff888073540e68 RBP: 0000000000000051 R08: 0000000000000001 R09: fffff94000375ffe R10: ffffea0001bafff7 R11: 0000000000000003 R12: 0000000000001000 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff8880766dc850 FS: 0000000000000000(0000) GS:ffff8880ba900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faebb6bc095 CR3: 000000007dab2000 CR4: 0000000000350ef0 Call Trace: bio_next_folio include/linux/bio.h:307 [inline] ext4_finish_bio+0x6b3/0x810 fs/ext4/page-io.c:104 ext4_release_io_end+0xf2/0x380 fs/ext4/page-io.c:160 ext4_end_io_end fs/ext4/page-io.c:194 [inline] ext4_do_flush_completed_IO fs/ext4/page-io.c:259 [inline] ext4_end_io_rsv_work+0x15a/0x5d0 fs/ext4/page-io.c:273 process_one_work+0x78b/0x12b0 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x6fb/0x1170 kernel/workqueue.c:2781 kthread+0x294/0x360 kernel/kthread.c:388 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Modules linked in: ---------------- Code disassembly (best guess): 0: 48 c1 ea 03 shr $0x3,%rdx 4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 8: 0f 85 fc 03 00 00 jne 0x40a e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 49 63 ed movslq %r13d,%rbp 1b: 48 c1 e5 04 shl $0x4,%rbp 1f: 48 03 6e 68 add 0x68(%rsi),%rbp 23: 48 89 ea mov %rbp,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 c9 03 00 00 jne 0x3fd 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 4c rex.WR 3f: 8b .byte 0x8b