ci2 starts bisection 2024-10-04 14:36:12.375480569 +0000 UTC m=+85859.956331100 bisecting fixing commit since 14e468424d3edcf23167133d6ee2f3e3c6c5a022 building syzkaller on 8d446f1521b580230a60c9ae228bf0c26312c80b ensuring issue is reproducible on original commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 testing commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 181bc4c8880e8b2a8e1b00ec443a59826e0b7fc04a874cb26ad7906656536865 run #0: crashed: BUG: spinlock bad magic in evict run #1: crashed: BUG: unable to handle kernel paging request in corrupted run #2: crashed: BUG: spinlock bad magic in evict run #3: crashed: BUG: spinlock bad magic in evict run #4: crashed: BUG: unable to handle kernel paging request in corrupted run #5: crashed: BUG: unable to handle kernel paging request in corrupted run #6: crashed: BUG: spinlock bad magic in evict run #7: crashed: BUG: spinlock bad magic in evict run #8: crashed: BUG: unable to handle kernel paging request in corrupted run #9: crashed: BUG: unable to handle kernel paging request in truncate_inode_pages_final 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: BUG: spinlock bad magic in evict, types: [LOCKDEP UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 95b49ae74b71d21c6596e351bfa6d53d04d7924c2dfdb95f4d9dfaabf8f3f608 all runs: OK false negative chance: 0.001 kconfig minimization: base=3706 full=7265 leaves diff=1983 split chunks (needed=false): <1983> split chunk #0 of len 1983 into 5 parts testing without sub-chunk 1/5 testing commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9e3bb9771eec59f8dd931c43d029293173dca31e685ed7c7ea8dd69081850a5e run #0: crashed: BUG: unable to handle kernel paging request in corrupted run #1: crashed: BUG: spinlock bad magic in evict run #2: crashed: invalid opcode in ni_clear run #3: crashed: BUG: unable to handle kernel paging request in truncate_inode_pages_final 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 paging request in corrupted, types: [UNKNOWN LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 testing commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b56f55046b2a850c8f147dd8e3352fbe766d40fb0c31521d709150276e167d3 run #0: crashed: BUG: spinlock bad magic in evict run #1: crashed: BUG: spinlock bad magic in evict run #2: crashed: BUG: unable to handle kernel paging request in corrupted run #3: crashed: BUG: unable to handle kernel paging request in corrupted run #4: crashed: BUG: spinlock bad magic in evict run #5: crashed: BUG: spinlock bad magic in evict run #6: crashed: BUG: unable to handle kernel paging request in corrupted run #7: crashed: BUG: spinlock bad magic in evict run #8: crashed: BUG: unable to handle kernel paging request in corrupted run #9: crashed: BUG: unable to handle kernel paging request in corrupted run #10: crashed: BUG: spinlock bad magic in evict run #11: OK run #12: OK run #13: crashed: BUG: spinlock bad magic in evict run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: BUG: spinlock bad magic in evict, types: [LOCKDEP UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 testing commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: feafda8bbf3ed3aa7ec96f5149e8152199fcc0b8700b3589529acc87815351c5 run #0: crashed: BUG: spinlock bad magic in truncate_inode_pages_final run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #2: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #3: crashed: WARNING: bad unlock balance in corrupted run #4: crashed: WARNING: bad unlock balance in corrupted run #5: crashed: WARNING: bad unlock balance in corrupted run #6: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #7: crashed: WARNING: bad unlock balance in corrupted run #8: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #9: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync 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: BUG: spinlock bad magic in truncate_inode_pages_final, types: [LOCKDEP KASAN] the chunk can be dropped testing without sub-chunk 4/5 testing commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6ebd17a2ddc8b1eb50dc61e28a3c38a641e89c714c6dab7e8dc3afda04c33cf8 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 testing commit 14e468424d3edcf23167133d6ee2f3e3c6c5a022 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6fa725e8b4b284fd93f14dc9a49233b54f82e5c57b90c8dff95c4fc8b0282bc run #0: crashed: BUG: spinlock bad magic in truncate_inode_pages_final run #1: crashed: WARNING: bad unlock balance in corrupted run #2: crashed: WARNING: bad unlock balance in corrupted run #3: crashed: WARNING: bad unlock balance in corrupted run #4: crashed: BUG: spinlock bad magic in truncate_inode_pages_final run #5: crashed: WARNING: bad unlock balance in corrupted run #6: crashed: WARNING: bad unlock balance in corrupted run #7: crashed: WARNING: bad unlock balance in corrupted 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: BUG: spinlock bad magic in truncate_inode_pages_final, types: [LOCKDEP] the chunk can be dropped minimized to 397 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBCRC32C LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS_COMMON SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_CGROUP_DATA SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPECULATION_MITIGATIONS SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_RCU TASKS_RCU_GENERIC TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TPM_KEY_PARSER TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VXLAN WIRELESS WLAN ZONE_DEVICE] determining the merge base between 14e468424d3edcf23167133d6ee2f3e3c6c5a022 and 0c559323bbaabee7346c12e74b497e283aaafef5 8bb7eca972ad531c9b149c0a51ab43a417385813/Linux 5.15 is a merge base, check if it has the bug testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2713997d790a154590302e786ea81197295467c9d4b2bcb617527bfdbe4ce931 run #0: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #2: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #3: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #4: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #5: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #6: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #7: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #8: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #9: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #10: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #11: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #12: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #13: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #14: crashed: KASAN: stack-out-of-bounds Write in end_buffer_read_sync run #15: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #16: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #17: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #18: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #19: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync representative crash: KASAN: out-of-bounds Write in end_buffer_read_sync, types: [KASAN] testing current HEAD 0c559323bbaabee7346c12e74b497e283aaafef5 testing commit 0c559323bbaabee7346c12e74b497e283aaafef5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 464821b31ce246e3dcdba6a0c43e20f3e49bde32f959268147d1ba6bdd318f4a run #0: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #2: crashed: BUG: spinlock wrong owner in truncate_inode_pages_final run #3: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #4: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync 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: KASAN: out-of-bounds Write in end_buffer_read_sync, types: [KASAN] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.40 repro chance estimate) revisions tested: 9, total time: 3h34m29.554205738s (build: 1h7m34.815071389s, test: 2h19m53.391539733s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'rust-fixes-6.12' of https://github.com/Rust-for-Linux/linux crash: KASAN: out-of-bounds Write in end_buffer_read_sync ================================================================== BUG: KASAN: out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:96 [inline] BUG: KASAN: out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline] BUG: KASAN: out-of-bounds in put_bh include/linux/buffer_head.h:302 [inline] BUG: KASAN: out-of-bounds in end_buffer_read_sync+0x89/0xa0 fs/buffer.c:161 Write of size 4 at addr ffffc9000489f680 by task ksoftirqd/1/22 CPU: 1 UID: 0 PID: 22 Comm: ksoftirqd/1 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x198/0x250 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline] put_bh include/linux/buffer_head.h:302 [inline] end_buffer_read_sync+0x89/0xa0 fs/buffer.c:161 end_bio_bh_io_sync+0x97/0xf0 fs/buffer.c:2771 blk_update_request+0x107/0xd70 block/blk-mq.c:923 blk_mq_end_request+0x39/0x60 block/blk-mq.c:1051 blk_complete_reqs block/blk-mq.c:1126 [inline] blk_done_softirq+0x5e/0xf0 block/blk-mq.c:1131 handle_softirqs+0x275/0x8f0 kernel/softirq.c:554 run_ksoftirqd+0xbe/0x120 kernel/softirq.c:927 smpboot_thread_fn+0x5f2/0x890 kernel/smpboot.c:164 kthread+0x2d1/0x360 kernel/kthread.c:389 ret_from_fork+0x32/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the virtual mapping at [ffffc90004898000, ffffc900048a1000) created by: copy_process+0x413/0x3a60 kernel/fork.c:2206 The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x7e pfn:0x155a3 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 raw: 000000000000007e 0000000000000000 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 6353, tgid 6353 (syz-executor.2), ts 158602124681, free_ts 158235702665 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1ee/0x220 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x395c/0x3bc0 mm/page_alloc.c:3457 __alloc_pages_noprof+0x256/0x6b0 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x282/0x4d0 mm/mempolicy.c:2265 vm_area_alloc_pages mm/vmalloc.c:3568 [inline] __vmalloc_area_node mm/vmalloc.c:3646 [inline] __vmalloc_node_range_noprof+0x6a2/0x1000 mm/vmalloc.c:3828 alloc_thread_stack_node kernel/fork.c:314 [inline] dup_task_struct+0x5c9/0x720 kernel/fork.c:1115 copy_process+0x413/0x3a60 kernel/fork.c:2206 kernel_clone+0x19b/0x650 kernel/fork.c:2787 __do_sys_clone3 kernel/fork.c:3091 [inline] __se_sys_clone3+0x241/0x270 kernel/fork.c:3070 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x82/0x160 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e page last free pid 6330 tgid 6330 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xe50/0x1770 mm/page_alloc.c:2686 folios_put_refs+0x522/0x610 mm/swap.c:1007 free_pages_and_swap_cache+0x4cd/0x590 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x2ad/0x500 mm/mmu_gather.c:373 tlb_finish_mmu+0xb6/0x1c0 mm/mmu_gather.c:465 exit_mmap+0x430/0xa30 mm/mmap.c:1877 __mmput+0x9c/0x290 kernel/fork.c:1347 exit_mm+0x1d7/0x290 kernel/exit.c:571 do_exit+0x885/0x2190 kernel/exit.c:926 do_group_exit+0x1ba/0x280 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x82/0x160 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e Memory state around the buggy address: ffffc9000489f580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc9000489f600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc9000489f680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffffc9000489f700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc9000489f780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================