ci2 starts bisection 2024-01-03 20:33:47.512442915 +0000 UTC m=+5503.094869504 bisecting cause commit starting from 610a9b8f49fbcf1100716370d3b5f6f884a2835a building syzkaller on fb427a0782000106c62de76d251e5a02de5406a9 ensuring issue is reproducible on original commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 714e511f9772fc89a0f7a0574b879f120d9bef274ad35796502c81d1e7be58d3 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c93040f81b1abb65dcc747f200fea294ed5985255a8fb32d791b934229efa948 all runs: OK false negative chance: 0.000 kconfig minimization: base=3915 full=7652 leaves diff=2009 split chunks (needed=false): <2009> split chunk #0 of len 2009 into 5 parts testing without sub-chunk 1/5 testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 62b66feecf2c6eacaef424b6a6f2c32ff949f55296f9e576e9afeed22bdc57a3 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 152230ed416eb927e0df5b2ff7a34450818ee72bff92cf6a80d2a6a78f207ab7 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 33f5e88bc64a65d517f234498da34620e327c53b77d58439902494469e8d4f50 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0dd6a3ed5b893f7a00bbe5147becea51c6d45ed00c8f5033de6da8e752bdbd3e all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 testing commit 610a9b8f49fbcf1100716370d3b5f6f884a2835a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db0bcf0ca548054af12ad6b7143a78b924c7fd5687084e6377060ca44f86828c all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] the chunk can be dropped minimized to 402 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 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 NLS_UCS2_UTILS 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_DEBUG 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 PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO 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 SECURITY_SMACK_NETFILTER SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_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 TMPFS_QUOTA TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE] picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aa81e78c4c7a5725aec9d26271f7077c5c7fcefeaeb57f27c36cf04d174143e4 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 48f76c0ca8679ebd29bf982dbd10da06939bf6039ce4da16c2f90182722ee758 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7e2881f2625810ea5fdb0532463622d6c575f943ecbce761c82e8ff52a59fa9 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2e9f9f5cf612fd272033ea24b1d5f692fe4e97fa6b3dfa7fdfc44b27ff944f07 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e70d033de95216c98b712453d9391278f503cf9c8837ece0465313c1a04ec353 all runs: OK false negative chance: 0.000 # git bisect start c9c3395d5e3dcc6daee66c6908354d47bf98cb0c 4fe89d07dcc2804c8b562f6c7896a45643d34b2f Bisecting: 16118 revisions left to test after this (roughly 14 steps) [fe8f5b2f7bec504021b395d24f7efca415d21e2b] Merge tag 'amd-drm-fixes-6.2-2022-12-21' of https://gitlab.freedesktop.org/agd5f/linux into drm-next testing commit fe8f5b2f7bec504021b395d24f7efca415d21e2b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4ec7ea96a9e77e57bb4565b5733853e519e23fadd6964c5d60cf5eddf9804811 all runs: OK false negative chance: 0.000 # git bisect good fe8f5b2f7bec504021b395d24f7efca415d21e2b Bisecting: 7173 revisions left to test after this (roughly 13 steps) [7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91] Merge tag 'net-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1a358789cca76c390c0fe364de3788f1a92274dd5c5dd4e824a8fc1ce501f5f9 all runs: OK false negative chance: 0.000 # git bisect good 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 Bisecting: 3607 revisions left to test after this (roughly 12 steps) [a6e3e6f138058ff184d8ef5064a033b3f5fee8f8] Merge tag 'mm-nonmm-stable-2022-12-17-20-32' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit a6e3e6f138058ff184d8ef5064a033b3f5fee8f8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b5662f96c1c3e1d00a45f7439cc961efd696a997e8e866f09fe17431ec25ae37 all runs: OK false negative chance: 0.000 # git bisect good a6e3e6f138058ff184d8ef5064a033b3f5fee8f8 Bisecting: 1802 revisions left to test after this (roughly 11 steps) [df3a71aba40fbe4bbd0842170e70c236eaed7c40] Merge branches 'acpi-resource' and 'acpi-video' testing commit df3a71aba40fbe4bbd0842170e70c236eaed7c40 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b0204a039bc0a23aa78a8aea85eac82f11fd3c8e54a6accd3666a71280a4ab4 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] # git bisect bad df3a71aba40fbe4bbd0842170e70c236eaed7c40 Bisecting: 911 revisions left to test after this (roughly 10 steps) [fe69230f05897b3de758427b574fc98025dfc907] caif: fix memory leak in cfctrl_linkup_request() testing commit fe69230f05897b3de758427b574fc98025dfc907 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89b039f906ddb3caef7e806d667d73f3b15bad20e6006a035f03e316c45c9363 all runs: OK false negative chance: 0.000 # git bisect good fe69230f05897b3de758427b574fc98025dfc907 Bisecting: 432 revisions left to test after this (roughly 9 steps) [d1ac1a2b14264e98c24db6f8c2bd452e695c7238] Merge tag 'perf-tools-for-v6.2-2-2022-12-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux testing commit d1ac1a2b14264e98c24db6f8c2bd452e695c7238 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f5ccde184ca841d6dc215b6dd45689f7272d6cd16b8a66deec640fdc023adda1 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] # git bisect bad d1ac1a2b14264e98c24db6f8c2bd452e695c7238 Bisecting: 218 revisions left to test after this (roughly 8 steps) [7a693ea78e3c48605a2d849fd241ff15561f10d5] Merge tag 'pwm/for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm testing commit 7a693ea78e3c48605a2d849fd241ff15561f10d5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 08f1aa09a04050740064a0dde65163954b536fb912487e8dafb8f4bc2d618cf3 all runs: OK false negative chance: 0.000 # git bisect good 7a693ea78e3c48605a2d849fd241ff15561f10d5 Bisecting: 111 revisions left to test after this (roughly 7 steps) [0a924817d2ed9396401e0557c6134276d2e26382] Merge tag '6.2-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6 testing commit 0a924817d2ed9396401e0557c6134276d2e26382 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0761f0410d59b3a8609c28c5ab38f4f3110caf914f9843a489f51ee5a6644471 all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] # git bisect bad 0a924817d2ed9396401e0557c6134276d2e26382 Bisecting: 53 revisions left to test after this (roughly 6 steps) [0ad9dfcb8d3fd6ef91983ccb93fafbf9e3115796] fs/ntfs3: Changing locking in ntfs_rename testing commit 0ad9dfcb8d3fd6ef91983ccb93fafbf9e3115796 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 128d546751ac5ffc11d48c5e14cecbf5d6c0adeb9d2a9fe6889558b222de4ffd all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] # git bisect bad 0ad9dfcb8d3fd6ef91983ccb93fafbf9e3115796 Bisecting: 26 revisions left to test after this (roughly 5 steps) [0d0f659bf713662fabed973f9996b8f23c59ca51] fs/ntfs3: Use __GFP_NOWARN allocation at wnd_init() testing commit 0d0f659bf713662fabed973f9996b8f23c59ca51 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21a991d85803c9cd762ef1cca578bac90d224b398db92191a30aa30bb7335424 all runs: OK false negative chance: 0.000 # git bisect good 0d0f659bf713662fabed973f9996b8f23c59ca51 Bisecting: 13 revisions left to test after this (roughly 4 steps) [658015167a8432b88f5d032e9d85d8fd50e5bf2c] fs/ntfs3: Delete duplicate condition in ntfs_read_mft() testing commit 658015167a8432b88f5d032e9d85d8fd50e5bf2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 60de6146336780be072d3be2e22471b0dd78bae8195821a5c7a7dfc1e9a24bba all runs: OK false negative chance: 0.000 # git bisect good 658015167a8432b88f5d032e9d85d8fd50e5bf2c Bisecting: 6 revisions left to test after this (roughly 3 steps) [3929042111de8cb283489ef4ea184103e3443536] fs/ntfs3: Remove unused functions testing commit 3929042111de8cb283489ef4ea184103e3443536 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 67ed1fa4f542c0621a8d633668429cb0d3ddece20c92a707015752ec54ac0459 all runs: OK false negative chance: 0.000 # git bisect good 3929042111de8cb283489ef4ea184103e3443536 Bisecting: 3 revisions left to test after this (roughly 2 steps) [c380b52f6c5702cc4bdda5e6d456d6c19a201a0b] fs/ntfs3: Change new sparse cluster processing testing commit c380b52f6c5702cc4bdda5e6d456d6c19a201a0b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2c8891ba3d77f6c1fae34d2d258ee05a931f090e504fca9cc3e852062c2810a all runs: OK false negative chance: 0.000 # git bisect good c380b52f6c5702cc4bdda5e6d456d6c19a201a0b Bisecting: 1 revision left to test after this (roughly 1 step) [2b108260ea2c9ec07651aea4911d7e2e6ab560f7] fs/ntfs3: atomic_open implementation testing commit 2b108260ea2c9ec07651aea4911d7e2e6ab560f7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 376c910e651daa0c9203883a8aed3c43ce9ee7a2339a26a299b9efcfa63e78ba all runs: OK false negative chance: 0.000 # git bisect good 2b108260ea2c9ec07651aea4911d7e2e6ab560f7 Bisecting: 0 revisions left to test after this (roughly 0 steps) [ad26a9c84510af7252e582e811de970433a9758f] fs/ntfs3: Fixing wrong logic in attr_set_size and ntfs_fallocate testing commit ad26a9c84510af7252e582e811de970433a9758f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dad61d70b550627c854e8e332d0d90b6cf7bf200bd980b4c3975b4021c4a2e6f all runs: crashed: possible deadlock in filemap_fault representative crash: possible deadlock in filemap_fault, types: [LOCKDEP] # git bisect bad ad26a9c84510af7252e582e811de970433a9758f ad26a9c84510af7252e582e811de970433a9758f is the first bad commit commit ad26a9c84510af7252e582e811de970433a9758f Author: Konstantin Komarov Date: Fri Oct 7 20:08:06 2022 +0300 fs/ntfs3: Fixing wrong logic in attr_set_size and ntfs_fallocate There were 2 problems: - in some cases we lost dirty flag; - cluster allocation can be called even when it wasn't needed. Fixes xfstest generic/465 Signed-off-by: Konstantin Komarov fs/ntfs3/attrib.c | 25 +++++++++++-------------- fs/ntfs3/file.c | 30 ++++++++++++++++++------------ fs/ntfs3/index.c | 9 +++++++++ fs/ntfs3/inode.c | 17 +++++------------ 4 files changed, 43 insertions(+), 38 deletions(-) accumulated error probability: 0.00 culprit signature: dad61d70b550627c854e8e332d0d90b6cf7bf200bd980b4c3975b4021c4a2e6f parent signature: 376c910e651daa0c9203883a8aed3c43ce9ee7a2339a26a299b9efcfa63e78ba revisions tested: 27, total time: 5h28m1.12669315s (build: 2h37m52.719117376s, test: 2h38m4.789759255s) first bad commit: ad26a9c84510af7252e582e811de970433a9758f fs/ntfs3: Fixing wrong logic in attr_set_size and ntfs_fallocate recipients (to): ["almaz.alexandrovich@paragon-software.com"] recipients (cc): [] crash: possible deadlock in filemap_fault ====================================================== WARNING: possible circular locking dependency detected 6.0.0-rc7-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/1989 is trying to acquire lock: ffff8880709072f0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] ffff8880709072f0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_fault+0x4c5/0x1290 mm/filemap.c:3112 but task is already holding lock: ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: handle_page_fault arch/x86/mm/fault.c:1488 [inline] ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: exc_page_fault+0x18e/0x880 arch/x86/mm/fault.c:1544 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&mm->mmap_lock#2){++++}-{3:3}: lock_acquire+0x21a/0x5b0 kernel/locking/lockdep.c:5666 __might_fault+0xa6/0x100 mm/memory.c:5577 _copy_to_user+0x25/0xc0 lib/usercopy.c:28 copy_to_user include/linux/uaccess.h:160 [inline] fiemap_fill_next_extent+0x216/0x400 fs/ioctl.c:144 ni_fiemap+0x8d8/0xfb0 fs/ntfs3/frecord.c:2061 ntfs_fiemap+0x121/0x170 fs/ntfs3/file.c:1150 ioctl_fiemap fs/ioctl.c:219 [inline] do_vfs_ioctl+0x757/0x24a0 fs/ioctl.c:810 __do_sys_ioctl fs/ioctl.c:868 [inline] __se_sys_ioctl+0x4c/0xf0 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x42/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x64/0xce -> #1 (&ni->file.run_lock#3){++++}-{3:3}: lock_acquire+0x21a/0x5b0 kernel/locking/lockdep.c:5666 down_read+0x3d/0x50 kernel/locking/rwsem.c:1499 attr_data_get_block+0x2d0/0x2440 fs/ntfs3/attrib.c:901 ntfs_get_block_vbo+0x2c7/0xb60 fs/ntfs3/inode.c:569 do_mpage_readpage+0x713/0x17f0 fs/mpage.c:208 mpage_read_folio+0x103/0x1c0 fs/mpage.c:379 filemap_read_folio+0x63/0x340 mm/filemap.c:2394 filemap_fault+0xc3f/0x1290 mm/filemap.c:3205 __do_fault+0x112/0x390 mm/memory.c:4173 do_shared_fault mm/memory.c:4573 [inline] do_fault mm/memory.c:4651 [inline] handle_pte_fault mm/memory.c:4911 [inline] __handle_mm_fault mm/memory.c:5053 [inline] handle_mm_fault+0x1e7d/0x3b70 mm/memory.c:5151 do_user_addr_fault arch/x86/mm/fault.c:1397 [inline] handle_page_fault arch/x86/mm/fault.c:1488 [inline] exc_page_fault+0x671/0x880 arch/x86/mm/fault.c:1544 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 -> #0 (mapping.invalidate_lock#3){.+.+}-{3:3}: check_prev_add kernel/locking/lockdep.c:3095 [inline] check_prevs_add kernel/locking/lockdep.c:3214 [inline] validate_chain+0x16bc/0x5930 kernel/locking/lockdep.c:3829 __lock_acquire+0x12c9/0x1f30 kernel/locking/lockdep.c:5053 lock_acquire+0x21a/0x5b0 kernel/locking/lockdep.c:5666 down_read+0x3d/0x50 kernel/locking/rwsem.c:1499 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] filemap_fault+0x4c5/0x1290 mm/filemap.c:3112 __do_fault+0x112/0x390 mm/memory.c:4173 do_shared_fault mm/memory.c:4573 [inline] do_fault mm/memory.c:4651 [inline] handle_pte_fault mm/memory.c:4911 [inline] __handle_mm_fault mm/memory.c:5053 [inline] handle_mm_fault+0x1e7d/0x3b70 mm/memory.c:5151 do_user_addr_fault arch/x86/mm/fault.c:1397 [inline] handle_page_fault arch/x86/mm/fault.c:1488 [inline] exc_page_fault+0x671/0x880 arch/x86/mm/fault.c:1544 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 other info that might help us debug this: Chain exists of: mapping.invalidate_lock#3 --> &ni->file.run_lock#3 --> &mm->mmap_lock#2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_lock#2); lock(&ni->file.run_lock#3); lock(&mm->mmap_lock#2); lock(mapping.invalidate_lock#3); *** DEADLOCK *** 1 lock held by syz-executor.0/1989: #0: ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] #0: ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] #0: ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: handle_page_fault arch/x86/mm/fault.c:1488 [inline] #0: ffff88807c059d28 (&mm->mmap_lock#2){++++}-{3:3}, at: exc_page_fault+0x18e/0x880 arch/x86/mm/fault.c:1544 stack backtrace: CPU: 1 PID: 1989 Comm: syz-executor.0 Not tainted 6.0.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x167/0x217 lib/dump_stack.c:106 check_noncircular+0x2ef/0x3a0 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3095 [inline] check_prevs_add kernel/locking/lockdep.c:3214 [inline] validate_chain+0x16bc/0x5930 kernel/locking/lockdep.c:3829 __lock_acquire+0x12c9/0x1f30 kernel/locking/lockdep.c:5053 lock_acquire+0x21a/0x5b0 kernel/locking/lockdep.c:5666 down_read+0x3d/0x50 kernel/locking/rwsem.c:1499 filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] filemap_fault+0x4c5/0x1290 mm/filemap.c:3112 __do_fault+0x112/0x390 mm/memory.c:4173 do_shared_fault mm/memory.c:4573 [inline] do_fault mm/memory.c:4651 [inline] handle_pte_fault mm/memory.c:4911 [inline] __handle_mm_fault mm/memory.c:5053 [inline] handle_mm_fault+0x1e7d/0x3b70 mm/memory.c:5151 do_user_addr_fault arch/x86/mm/fault.c:1397 [inline] handle_page_fault arch/x86/mm/fault.c:1488 [inline] exc_page_fault+0x671/0x880 arch/x86/mm/fault.c:1544 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f656705dd6b Code: fa 10 73 2d 83 fa 08 73 46 83 fa 04 73 16 83 fa 01 7c 10 8a 0e 74 0a 0f b7 74 16 fe 66 89 74 17 fe 88 0f c3 8b 4c 16 fc 8b 36 <89> 4c 17 fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 RSP: 002b:00007ffc00315618 EFLAGS: 00010202 RAX: 000000002001f740 RBX: 00007ffc00315728 RCX: 0000000000337366 RDX: 0000000000000006 RSI: 000000007366746e RDI: 000000002001f740 RBP: 0000000000000032 R08: 00007f6567000000 R09: 00007f656719bf8c R10: 00007ffc00315750 R11: 0000000000000246 R12: 00007f6566c200f8 R13: fffffffffffffffe R14: 00007f6566c00000 R15: 00007f6566c20100