ci2 starts bisection 2023-09-16 02:01:40.063924049 +0000 UTC m=+236632.093098162 bisecting fixing commit since d54cfc420586425d418a53871290cc4a59d33501 building syzkaller on 4cd5bb25a2752a9a5b25597d1da34656681f07a6 ensuring issue is reproducible on original commit d54cfc420586425d418a53871290cc4a59d33501 testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 702684621c81851d8bbef91fbd064995b3455877b21dd68810e15bd1d8d27919 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 36b009451b463a946cc7f90236ea3fc4f03ae9778d920a66a108438ab516d8b7 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3703 full=7269 leaves diff=1987 split chunks (needed=false): <1987> split chunk #0 of len 1987 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 776debaeed089b7e83105910dd154a6370692f64a1dcc34ff7876ee5a59fd3ce all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3b6402b3ca4e4e7ab37ece0748580f02ec31f9e1cc6f7f5615d80a039183b9d all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1d60883f29aa44133bf750458b0ec88f1ffbfd2415e83be4417f7971541650fa all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a54ae939bbc517dcb3ad99c5a59d82f3e8708d0db533afd23d24bb134d635fa 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 d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 777c690d273afd137f5ca4b220f6e80650dc188b780d808729351af2fed877b9 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] the chunk can be dropped minimized to 398 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_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_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 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 TARGET_CORE 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_CONFIGFS_F_TCM 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] disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between d54cfc420586425d418a53871290cc4a59d33501 and d8d7cd656361529c334e3b90535e81d818fc1157 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: f15ed9dd2464335cd54afb25719463e08354382b6072a1d9a8810981a8788220 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] testing current HEAD d8d7cd656361529c334e3b90535e81d818fc1157 testing commit d8d7cd656361529c334e3b90535e81d818fc1157 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 02b0decb26dba0096d18bfe5b4efb05324dc0229d58658af9f28a5ab2ace566e all runs: OK false negative chance: 0.000 # git bisect start d8d7cd656361529c334e3b90535e81d818fc1157 8bb7eca972ad531c9b149c0a51ab43a417385813 Bisecting: 85206 revisions left to test after this (roughly 16 steps) [76e45035348c247a70ed50eb29a9906657e4444f] Merge tag 'for-6.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 76e45035348c247a70ed50eb29a9906657e4444f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cf65429ba395d568341bb2b962399f8087110e018d2c7ffaf601bb1323f832e4 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good 76e45035348c247a70ed50eb29a9906657e4444f Bisecting: 42643 revisions left to test after this (roughly 15 steps) [2890662822def3dcc1b2e690d6fcea694c666083] drm/amd/display: fix compilation error due to shifting negative value determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 2890662822def3dcc1b2e690d6fcea694c666083 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79d18752b70b99730a6d432451fa1101a08f341a6da608cf0a7160522f39f09a all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good 2890662822def3dcc1b2e690d6fcea694c666083 Bisecting: 20959 revisions left to test after this (roughly 14 steps) [1b722407a13b7f8658d2e26917791f32805980a2] Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit 1b722407a13b7f8658d2e26917791f32805980a2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2bef6ac93eba55325184e61ecc897881cb1f1f1340d154cad9b9888c4f9cbf0 all runs: OK false negative chance: 0.000 # git bisect bad 1b722407a13b7f8658d2e26917791f32805980a2 Bisecting: 10892 revisions left to test after this (roughly 13 steps) [af3877265dd88d7e333f94fb37bc09554544adca] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit af3877265dd88d7e333f94fb37bc09554544adca gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 70fb19b7c432f6fb253f4315fb407a49d97dbb203e6f6c138ad9adf84b0990fb all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good af3877265dd88d7e333f94fb37bc09554544adca Bisecting: 5447 revisions left to test after this (roughly 12 steps) [712557f210723101717570844c95ac0913af74d7] Merge branch 'ptp-adjphase-cleanups' determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 712557f210723101717570844c95ac0913af74d7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a7380e688c40983514a1c847916640eef6c8383ca764fc315ee90a2488a82da9 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good 712557f210723101717570844c95ac0913af74d7 Bisecting: 2706 revisions left to test after this (roughly 11 steps) [1364b4068a421d99fb4da8b570e54525096b1cef] Merge tag 'mtd/for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux determine whether the revision contains the guilty commit revision af3877265dd88d7e333f94fb37bc09554544adca crashed and is reachable testing commit 1364b4068a421d99fb4da8b570e54525096b1cef gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfeed453a8040212db9b9ec98def647eaa2cffd05c9ed05afd35cf3aa532cac9 all runs: OK false negative chance: 0.000 # git bisect bad 1364b4068a421d99fb4da8b570e54525096b1cef Bisecting: 1322 revisions left to test after this (roughly 11 steps) [2605e80d3438c77190f55b821c6575048c68268e] Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit 2605e80d3438c77190f55b821c6575048c68268e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4300752e60271511947b4bd0a93e36634156cee9b6e708b53f4b109cb395ea7a all runs: OK false negative chance: 0.000 # git bisect bad 2605e80d3438c77190f55b821c6575048c68268e Bisecting: 705 revisions left to test after this (roughly 10 steps) [3eccc0c886b1796f95a289c9d127c8ca1a254bd5] Merge tag 'for-6.5/splice-2023-06-23' of git://git.kernel.dk/linux determine whether the revision contains the guilty commit revision 8bb7eca972ad531c9b149c0a51ab43a417385813 crashed and is reachable testing commit 3eccc0c886b1796f95a289c9d127c8ca1a254bd5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 568bc892c957df0825799ab9a2daa001f074f64067c1526c9655dd6111b1f4e8 all runs: OK false negative chance: 0.000 # git bisect bad 3eccc0c886b1796f95a289c9d127c8ca1a254bd5 Bisecting: 356 revisions left to test after this (roughly 9 steps) [1f268d6d2c244baf2c7769f33782ca532717723d] Merge tag 'auxdisplay-6.5' of https://github.com/ojeda/linux determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit 1f268d6d2c244baf2c7769f33782ca532717723d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aef26bf378cf93d158281e46e1ede24c9636c1cce9e25d361f110ea22d28f0cb all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good 1f268d6d2c244baf2c7769f33782ca532717723d Bisecting: 178 revisions left to test after this (roughly 8 steps) [50b5d1fc41da21a4ecf219f37fbca23c79020b08] btrfs: do not BUG_ON() on tree mod log failures at insert_ptr() determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit 50b5d1fc41da21a4ecf219f37fbca23c79020b08 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48164cb2199df375b601e02f124f34c4c8d5ff7334977976e45a786de445c7e9 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good 50b5d1fc41da21a4ecf219f37fbca23c79020b08 Bisecting: 80 revisions left to test after this (roughly 7 steps) [f7976a6493b3f00c4d057a37d9e63c322154ef8c] Merge tag 'nfsd-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit f7976a6493b3f00c4d057a37d9e63c322154ef8c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d194235d02b10f0e391dcb79a8b15b88999d0f8b960a5283e3eaaba8d97c3d0e all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good f7976a6493b3f00c4d057a37d9e63c322154ef8c Bisecting: 48 revisions left to test after this (roughly 5 steps) [e940efa936be65866db9ce20798b13fdc6b3891a] Merge tag 'zonefs-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs determine whether the revision contains the guilty commit revision f7976a6493b3f00c4d057a37d9e63c322154ef8c crashed and is reachable testing commit e940efa936be65866db9ce20798b13fdc6b3891a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 918ded580ef9d8b352aaad474c7da57e165e6e48aa6eb9517b58fb8bdd8c5697 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good e940efa936be65866db9ce20798b13fdc6b3891a Bisecting: 24 revisions left to test after this (roughly 5 steps) [54919f94ec52549b7efcd074567ccb68c49830df] xfs: Provide a splice-read wrapper determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit 54919f94ec52549b7efcd074567ccb68c49830df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ddf6ae57dda0c7f811b63d1ac47e565b1121b9539b670f55bb7cf54566f1a346 all runs: OK false negative chance: 0.000 # git bisect bad 54919f94ec52549b7efcd074567ccb68c49830df Bisecting: 11 revisions left to test after this (roughly 4 steps) [b0072734ffaa3f5fec64058d0d3333765d789bc0] tty, proc, kernfs, random: Use copy_splice_read() determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit b0072734ffaa3f5fec64058d0d3333765d789bc0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c55dfa7413cc7de14135aefadfc22b6dfc2a2bd709d7528a0d3db009f5492b07 all runs: OK false negative chance: 0.000 # git bisect bad b0072734ffaa3f5fec64058d0d3333765d789bc0 Bisecting: 5 revisions left to test after this (roughly 3 steps) [123856f0e83f457a3a24d15f561a1dd5f0d4b482] splice: Check for zero count in vfs_splice_read() determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit 123856f0e83f457a3a24d15f561a1dd5f0d4b482 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a65a1aec97e5b7b2c1e47fe61a5571b4b0781747c569f5f2f0b6ebe8efc17075 all runs: crashed: WARNING in iov_iter_revert representative crash: WARNING in iov_iter_revert, types: [WARNING] # git bisect good 123856f0e83f457a3a24d15f561a1dd5f0d4b482 Bisecting: 2 revisions left to test after this (roughly 2 steps) [bd194b187115da7b98b660b049315f6c9c8267d1] shmem: Implement splice-read determine whether the revision contains the guilty commit revision 123856f0e83f457a3a24d15f561a1dd5f0d4b482 crashed and is reachable testing commit bd194b187115da7b98b660b049315f6c9c8267d1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d8c09dfac332b5a78357342998bada2371f19b3bec732b7cc920b1d8b1c3cdd2 all runs: OK false negative chance: 0.000 # git bisect bad bd194b187115da7b98b660b049315f6c9c8267d1 Bisecting: 0 revisions left to test after this (roughly 1 step) [b85930a07738a95047a51dc5bc06b18fd91a9799] splice: Make splice from a DAX file use copy_splice_read() determine whether the revision contains the guilty commit revision 123856f0e83f457a3a24d15f561a1dd5f0d4b482 crashed and is reachable testing commit b85930a07738a95047a51dc5bc06b18fd91a9799 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8c23c85063ca53c66b4dffc60b056b14dcf93dcd933680cfe26ba13bfb61b05 all runs: OK false negative chance: 0.000 # git bisect bad b85930a07738a95047a51dc5bc06b18fd91a9799 Bisecting: 0 revisions left to test after this (roughly 0 steps) [aa3dbde878961dd333cdd3c326b93e6c84a23ed4] splice: Make splice from an O_DIRECT fd use copy_splice_read() determine whether the revision contains the guilty commit revision 76e45035348c247a70ed50eb29a9906657e4444f crashed and is reachable testing commit aa3dbde878961dd333cdd3c326b93e6c84a23ed4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d89d877ef3553da12762e0ba98155aecb3f22111ca2c4b4eebfb77b9e53d2c85 all runs: OK false negative chance: 0.000 # git bisect bad aa3dbde878961dd333cdd3c326b93e6c84a23ed4 aa3dbde878961dd333cdd3c326b93e6c84a23ed4 is the first bad commit commit aa3dbde878961dd333cdd3c326b93e6c84a23ed4 Author: David Howells Date: Mon May 22 14:49:54 2023 +0100 splice: Make splice from an O_DIRECT fd use copy_splice_read() Make a read splice from a file descriptor that's open O_DIRECT use copy_splice_read() to do the reading as filemap_splice_read() is unlikely to find any pagecache to splice. Signed-off-by: David Howells Reviewed-by: Christoph Hellwig Reviewed-by: Christian Brauner cc: Al Viro cc: Jens Axboe cc: linux-fsdevel@vger.kernel.org cc: linux-block@vger.kernel.org cc: linux-mm@kvack.org Link: https://lore.kernel.org/r/20230522135018.2742245-8-dhowells@redhat.com Signed-off-by: Jens Axboe fs/splice.c | 6 ++++++ 1 file changed, 6 insertions(+) accumulated error probability: 0.00 culprit signature: d89d877ef3553da12762e0ba98155aecb3f22111ca2c4b4eebfb77b9e53d2c85 parent signature: a65a1aec97e5b7b2c1e47fe61a5571b4b0781747c569f5f2f0b6ebe8efc17075 revisions tested: 27, total time: 4h37m12.549238926s (build: 1h25m17.10978059s, test: 3h1m44.43780323s) first good commit: aa3dbde878961dd333cdd3c326b93e6c84a23ed4 splice: Make splice from an O_DIRECT fd use copy_splice_read() recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "dhowells@redhat.com" "hch@lst.de"] recipients (cc): []