ci2 starts bisection 2024-12-08 05:23:26.240587899 +0000 UTC m=+125815.041253631 bisecting fixing commit since 59d7b1a7104a2011038fe7b9922de9f10e688333 building syzkaller on 65e8686b0e9e909b6ea5629f95a9b14e81927872 ensuring issue is reproducible on original commit 59d7b1a7104a2011038fe7b9922de9f10e688333 testing commit 59d7b1a7104a2011038fe7b9922de9f10e688333 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2390ba9d5178150b5db8420caf6d5112e78999167b8871212b78d4f953970e6a run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 59d7b1a7104a2011038fe7b9922de9f10e688333 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2913212a19df86ca76e475be35a843266d502a455bffed32c4260b8526d85677 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: crashed: WARNING in shmem_evict_inode run #9: crashed: WARNING in shmem_evict_inode run #10: OK run #11: OK run #12: OK run #13: crashed: WARNING in shmem_evict_inode run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in shmem_evict_inode, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed kconfig minimization: base=3824 full=7497 leaves diff=2068 split chunks (needed=false): <2068> split chunk #0 of len 2068 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 59d7b1a7104a2011038fe7b9922de9f10e688333 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70c60e2c5b41ec42141bc8d915609e7207751eb9aaf4e788d04fe7dd246d4488 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: OK run #9: OK run #10: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 59d7b1a7104a2011038fe7b9922de9f10e688333 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d53dc8e14565b893488374b538dfb0df4f0d41d2e58aedfe9575efa5e79e423d run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: crashed: WARNING in shmem_evict_inode run #9: crashed: WARNING in shmem_evict_inode run #10: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 59d7b1a7104a2011038fe7b9922de9f10e688333 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bba627e601ec6017fc3f347e43a5b66702fa6334b7de4a8e1e25bebc3658115d run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: crashed: WARNING in shmem_evict_inode run #9: crashed: WARNING in shmem_evict_inode run #10: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 59d7b1a7104a2011038fe7b9922de9f10e688333 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 168d7354029bbcbe578feb907b4fb32197a507030f779d04eaeac36485f64e92 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 59d7b1a7104a2011038fe7b9922de9f10e688333 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c18b8a35b5aa6a9f59cf116c6c14efd1f5806a841ec8bb60b229353fd8dcf15 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] the chunk can be dropped minimized to 414 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PROC_MEM_ALWAYS_FORCE PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STAGING_MEDIA STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UCSI_CCG UCSI_STM32G0 UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_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 WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed determining the merge base between 59d7b1a7104a2011038fe7b9922de9f10e688333 and 7503345ac5f5e82fd9a36d6e6b447c016376403a 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bb32cdbffd2980fb38377e3dff4d4798d0c3e90ab099aee9c08804384ed753c8 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] testing current HEAD 7503345ac5f5e82fd9a36d6e6b447c016376403a testing commit 7503345ac5f5e82fd9a36d6e6b447c016376403a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb7e7d040bec5240ff9ae2ddddd0e07a9c8a87962c475194d7bcae6d97253ad4 all runs: OK false negative chance: 0.000 # git bisect start 7503345ac5f5e82fd9a36d6e6b447c016376403a 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 92504 revisions left to test after this (roughly 17 steps) [d934aef6bb9ec1b42dfe1f5c1f945fa0d2d0752c] Merge tag 'dmaengine-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit d934aef6bb9ec1b42dfe1f5c1f945fa0d2d0752c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c6fd032ee795066ffa7c25b80c836f6d40160d6ca97c208824bc5735a32f61db all runs: OK false negative chance: 0.000 # git bisect bad d934aef6bb9ec1b42dfe1f5c1f945fa0d2d0752c Bisecting: 46088 revisions left to test after this (roughly 16 steps) [f085df1be60abf670315c11036261cfaec16b2eb] Merge tag 'perf-tools-for-v6.4-3-2023-05-06' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit f085df1be60abf670315c11036261cfaec16b2eb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c9b0db24e052fe8d8fa661d410d58c3170895c84684c8d05cb3e0afe0e0c3656 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good f085df1be60abf670315c11036261cfaec16b2eb Bisecting: 22897 revisions left to test after this (roughly 15 steps) [461f35f014466c4e26dca6be0f431f57297df3f2] Merge tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 461f35f014466c4e26dca6be0f431f57297df3f2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5f1b1b1bb5b42155b7b7ab03a90f4d2ca2cc0b37022bb1e4bc37edd7dc1d5bd all runs: OK false negative chance: 0.001 # git bisect bad 461f35f014466c4e26dca6be0f431f57297df3f2 Bisecting: 11602 revisions left to test after this (roughly 14 steps) [6cdbb0907a3c562723455e351c940037bdec9b7a] Merge tag 'for-6.5/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit 6cdbb0907a3c562723455e351c940037bdec9b7a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fccde8c64691b2fa1989ceb3ab1204abcd95f9e394ef011e7386a8dbbacbe818 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: crashed: WARNING in shmem_evict_inode run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good 6cdbb0907a3c562723455e351c940037bdec9b7a Bisecting: 5805 revisions left to test after this (roughly 13 steps) [bf809efdcc4df4132c8c261fbba7121909dc6211] Bluetooth: btusb: Add new VID/PID 0489/e102 for MT7922 determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit bf809efdcc4df4132c8c261fbba7121909dc6211 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a9e090a9fb5468f47e33a1b9708222448611c12e87721f9176046f33b67a495d run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good bf809efdcc4df4132c8c261fbba7121909dc6211 Bisecting: 3185 revisions left to test after this (roughly 12 steps) [68cf01760bc0891074e813b9bb06d2696cac1c01] Merge tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 determine whether the revision contains the guilty commit revision 6cdbb0907a3c562723455e351c940037bdec9b7a crashed and is reachable testing commit 68cf01760bc0891074e813b9bb06d2696cac1c01 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2d11c8827175a88bd71c39950a9d523e7dc9188a01f1cddeb5d4341b97baac37 all runs: OK false negative chance: 0.001 # git bisect bad 68cf01760bc0891074e813b9bb06d2696cac1c01 Bisecting: 1317 revisions left to test after this (roughly 10 steps) [1a7c611546e552193180941ecf6b191e659db979] Merge tag 'perf-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit 1a7c611546e552193180941ecf6b191e659db979 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cc7fd0b1d96a7eefe2680ad9a0efaad1fe4dd3e94c7691394bfe53fcb83f33ae run #0: ignore: lost connection to test machine 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 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 false negative chance: 0.001 # git bisect bad 1a7c611546e552193180941ecf6b191e659db979 Bisecting: 650 revisions left to test after this (roughly 9 steps) [3b35375f19fe87b5d8822ce01f917095d575ee28] Merge tag 'irq-urgent-2023-08-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 3b35375f19fe87b5d8822ce01f917095d575ee28 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba9e0b837f66f27f71e04b1c2d3ce55f5be1fe0cf5fdd629eebca998eda4706f run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: ignore: lost connection to test machine run #9: crashed: WARNING in shmem_evict_inode run #10: crashed: WARNING in shmem_evict_inode run #11: crashed: WARNING in shmem_evict_inode run #12: crashed: WARNING in shmem_evict_inode run #13: crashed: WARNING in shmem_evict_inode run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good 3b35375f19fe87b5d8822ce01f917095d575ee28 Bisecting: 340 revisions left to test after this (roughly 8 steps) [f678c890c684373a387b0d73cd4d51edbf329c27] Merge tag 'affs-for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit f678c890c684373a387b0d73cd4d51edbf329c27 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 123fe905e47a51a6e15b84173ae9385d76f70854cf42f0a42190d621fbabae1f all runs: OK false negative chance: 0.001 # git bisect bad f678c890c684373a387b0d73cd4d51edbf329c27 Bisecting: 166 revisions left to test after this (roughly 7 steps) [ecd7db20474c3859d4d01f34aaabf41bd28c7d84] Merge tag 'v6.6-vfs.tmpfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit ecd7db20474c3859d4d01f34aaabf41bd28c7d84 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bb50472775184b1c731a6fac8584550bfde2157a4ff97312064f1187b08a83e3 all runs: OK false negative chance: 0.001 # git bisect bad ecd7db20474c3859d4d01f34aaabf41bd28c7d84 Bisecting: 71 revisions left to test after this (roughly 6 steps) [9f590685bc5aa7a8f6c1a9ff47bf4755546b1c2b] ramfs: convert to ctime accessor functions determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit 9f590685bc5aa7a8f6c1a9ff47bf4755546b1c2b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f477df60da8e5f3cca1788bf89b655c62e910e197964aca883a6c8059e3bfd0 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: crashed: WARNING in shmem_evict_inode run #9: crashed: WARNING in shmem_evict_inode run #10: crashed: WARNING in shmem_evict_inode run #11: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good 9f590685bc5aa7a8f6c1a9ff47bf4755546b1c2b Bisecting: 35 revisions left to test after this (roughly 5 steps) [50e9ceef1d4f644ee0049e82e360058a64ec284c] btrfs: convert to multigrain timestamps determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit 50e9ceef1d4f644ee0049e82e360058a64ec284c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 262d0fe711b4c59a1ed320510a63586fa0991664d889c658733e7b9ec7edf710 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: OK run #9: crashed: WARNING in shmem_evict_inode 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: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good 50e9ceef1d4f644ee0049e82e360058a64ec284c Bisecting: 17 revisions left to test after this (roughly 4 steps) [e88e0d366f9cfbb810b0c8509dc5d130d5a53e02] tmpfs: trivial support for direct IO determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit e88e0d366f9cfbb810b0c8509dc5d130d5a53e02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9cfc5635e3c347dd13f1789dd05390527651d3662e3c512ff7232d4226ec34ad all runs: OK false negative chance: 0.001 # git bisect bad e88e0d366f9cfbb810b0c8509dc5d130d5a53e02 Bisecting: 8 revisions left to test after this (roughly 3 steps) [23a31d87645c652734f89f477f69ddac9aa402cb] shmem: Refactor shmem_symlink() determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit 23a31d87645c652734f89f477f69ddac9aa402cb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 66b6da0c19158cf6c0786da520fcb01a647dc1cc42c59c4d47998f8cf534e182 run #0: ignore: lost connection to test machine 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 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 false negative chance: 0.001 # git bisect bad 23a31d87645c652734f89f477f69ddac9aa402cb Bisecting: 4 revisions left to test after this (roughly 2 steps) [eafc474e202978ac735c551d5ee1eb8c02e2be54] shmem: prepare shmem quota infrastructure determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit eafc474e202978ac735c551d5ee1eb8c02e2be54 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5cef331235482c02b2ac840b96e6ba3acdc1ef9ffb3188a573f41f2163afcc5 run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: crashed: WARNING in shmem_evict_inode run #9: crashed: WARNING in shmem_evict_inode run #10: OK run #11: OK run #12: OK run #13: OK run #14: crashed: WARNING in shmem_evict_inode run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good eafc474e202978ac735c551d5ee1eb8c02e2be54 Bisecting: 2 revisions left to test after this (roughly 1 step) [de4c0e7ca8b526a82ff7e5ee5533787bb6d01724] shmem: Add default quota limit mount options determine whether the revision contains the guilty commit revision eafc474e202978ac735c551d5ee1eb8c02e2be54 crashed and is reachable testing commit de4c0e7ca8b526a82ff7e5ee5533787bb6d01724 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4bc6afc1f4ed017bc5b28f17f1cbbf179dfcd41d01a565f75b62dc00dcb6026d run #0: crashed: WARNING in shmem_evict_inode run #1: crashed: WARNING in shmem_evict_inode run #2: crashed: WARNING in shmem_evict_inode run #3: crashed: WARNING in shmem_evict_inode run #4: crashed: WARNING in shmem_evict_inode run #5: crashed: WARNING in shmem_evict_inode run #6: crashed: WARNING in shmem_evict_inode run #7: crashed: WARNING in shmem_evict_inode run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: crashed: WARNING in shmem_evict_inode run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: WARNING in shmem_evict_inode, types: [WARNING] # git bisect good de4c0e7ca8b526a82ff7e5ee5533787bb6d01724 Bisecting: 0 revisions left to test after this (roughly 1 step) [6faddda69f623d38bb097640689901a4b5ff881a] libfs: Add directory operations for stable offsets determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 6faddda69f623d38bb097640689901a4b5ff881a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfb90877e5419eb8c3a1ac2b49f5bcd2f9adf988700a9cb516be4b7ad1d33fc9 all runs: OK false negative chance: 0.001 # git bisect bad 6faddda69f623d38bb097640689901a4b5ff881a Bisecting: 0 revisions left to test after this (roughly 0 steps) [509f006932de7556d48eaa7afcd02dcf1ca9a3e9] shmem: fix quota lock nesting in huge hole handling determine whether the revision contains the guilty commit revision f085df1be60abf670315c11036261cfaec16b2eb crashed and is reachable testing commit 509f006932de7556d48eaa7afcd02dcf1ca9a3e9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb3c53af83f60fe1aa2d528792204258d6487f0e6ff3c602a4d9ae8a4fa98f7a all runs: OK false negative chance: 0.001 # git bisect bad 509f006932de7556d48eaa7afcd02dcf1ca9a3e9 509f006932de7556d48eaa7afcd02dcf1ca9a3e9 is the first bad commit commit 509f006932de7556d48eaa7afcd02dcf1ca9a3e9 Author: Hugh Dickins Date: Tue Jul 25 16:45:10 2023 +0200 shmem: fix quota lock nesting in huge hole handling i_pages lock nests inside i_lock, but shmem_charge() and shmem_uncharge() were being called from THP splitting or collapsing while i_pages lock was held, and now go on to call dquot_alloc_block_nodirty() which takes i_lock to update i_blocks. We may well want to take i_lock out of this path later, in the non-quota case even if it's left in the quota case (or perhaps use i_lock instead of shmem's info->lock throughout); but don't get into that at this time. Move the shmem_charge() and shmem_uncharge() calls out from under i_pages lock, accounting the full batch of holes in a single call. Still pass the pages argument to shmem_uncharge(), but it happens now to be unused: shmem_recalc_inode() is designed to account for clean pages freed behind shmem's back, so it gets the accounting right by itself; then the later call to shmem_inode_unacct_blocks() led to imbalance (that WARN_ON(inode->i_blocks) in shmem_evict_inode()). Reported-by: syzbot+38ca19393fb3344f57e6@syzkaller.appspotmail.com Closes: https://lore.kernel.org/lkml/0000000000008e62f40600bfe080@google.com/ Reported-by: syzbot+440ff8cca06ee7a1d4db@syzkaller.appspotmail.com Closes: https://lore.kernel.org/lkml/00000000000076a7840600bfb6e8@google.com/ Signed-off-by: Hugh Dickins Tested-by: Carlos Maiolino Reviewed-by: Carlos Maiolino Message-Id: <20230725144510.253763-8-cem@kernel.org> Signed-off-by: Christian Brauner mm/huge_memory.c | 6 ++++-- mm/khugepaged.c | 13 +++++++------ mm/shmem.c | 19 +++++++++---------- 3 files changed, 20 insertions(+), 18 deletions(-) accumulated error probability: 0.01 culprit signature: fb3c53af83f60fe1aa2d528792204258d6487f0e6ff3c602a4d9ae8a4fa98f7a parent signature: 4bc6afc1f4ed017bc5b28f17f1cbbf179dfcd41d01a565f75b62dc00dcb6026d reproducer is flaky (0.30 repro chance estimate) revisions tested: 27, total time: 7h31m10.956883668s (build: 1h31m22.19938575s, test: 5h48m16.284429764s) first good commit: 509f006932de7556d48eaa7afcd02dcf1ca9a3e9 shmem: fix quota lock nesting in huge hole handling recipients (to): ["brauner@kernel.org" "cmaiolino@redhat.com" "hughd@google.com"] recipients (cc): []