ci2 starts bisection 2024-11-08 04:22:37.349327658 +0000 UTC m=+6316.010536909 bisecting fixing commit since 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 building syzkaller on 28c42cffb02cb3eb71fa7649e68149ca1818ff83 ensuring issue is reproducible on original commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 testing commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 529cf1ff7f3db4c49c9ddecef18c6defd34a6dee66d650bd52e516be45cbb954 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b46639cef3a02fe870b09354560275c316a62f9d014caa4af2368f4e26cad4c9 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed kconfig minimization: base=3824 full=7526 leaves diff=1995 split chunks (needed=false): <1995> split chunk #0 of len 1995 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 19c322e732b5f7a4c41b5a0d5cee31a7977ef5db70cfa164aa3e310f508d8370 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a975e5905d536f4b5e9292aaf2009a7223e72aab2612e762c16cb20ff85ac07a all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c61b8da676ba3e3e83d75ed4bde68b7c840c6704aacafd4880905d79ca87207 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6d41a1974defa42198fa3cd2c961ea86c1af5358db73fac0df4cea6f531222ec all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 66bc31a78ada05faea4bab5e977810415deb63b4cce9b81896adbebe19d6044e all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] the chunk can be dropped minimized to 399 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 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG 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 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM 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 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_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_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 VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed determining the merge base between 7ec6f9fa3d97963b8133386d8fabc4f5595df4b1 and 906bd684e4b1e517dd424a354744c5b0aebef8af 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: d1dcc9ecede623347e7ec2cd4017c3199221d5bee04c0fff419e144e2bf14386 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] testing current HEAD 906bd684e4b1e517dd424a354744c5b0aebef8af testing commit 906bd684e4b1e517dd424a354744c5b0aebef8af gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ddc60f453c095b08f5c89ef77fc1ab28103a22784aa0bd68c407cf2d9a1d6df all runs: OK false negative chance: 0.000 # git bisect start 906bd684e4b1e517dd424a354744c5b0aebef8af 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 86808 revisions left to test after this (roughly 16 steps) [8bc9e6515183935fa0cccaf67455c439afe4982b] Merge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 8bc9e6515183935fa0cccaf67455c439afe4982b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b858fbc2df35096168db09d6491b2ff29c9b25132b094239fbc87769fc816ab all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good 8bc9e6515183935fa0cccaf67455c439afe4982b Bisecting: 43388 revisions left to test after this (roughly 15 steps) [89de2db19317fb89a6e9163f33c3a7b23ee75a18] Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next determine whether the revision contains the guilty commit revision 8bc9e6515183935fa0cccaf67455c439afe4982b crashed and is reachable testing commit 89de2db19317fb89a6e9163f33c3a7b23ee75a18 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cd98d3d6347f9c1c8ec8f6728416b0e24b938e417e9f17feba4e048632898339 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good 89de2db19317fb89a6e9163f33c3a7b23ee75a18 Bisecting: 21305 revisions left to test after this (roughly 14 steps) [b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5bf3cf62d0bc071160cf76140d70ae95ccd8d5e213ed4775722f16f3d1d4e983 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good b3ce7a30847a54a7f96a35e609303d8afecd460b Bisecting: 10593 revisions left to test after this (roughly 13 steps) [7b17f5ebd5fc5e9275eaa5af3d0771f2a7b01bbf] Merge tag 'soc-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 7b17f5ebd5fc5e9275eaa5af3d0771f2a7b01bbf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c073f1f230dae23bed8c4e6c978bbea6d2bb97767a12c87d01650a170c68319c all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good 7b17f5ebd5fc5e9275eaa5af3d0771f2a7b01bbf Bisecting: 5288 revisions left to test after this (roughly 12 steps) [b3f391fddf3cfaadda59ec8da8fd17f4520bbf42] Merge tag 'bcachefs-2024-09-21' of git://evilpiepirate.org/bcachefs determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit b3f391fddf3cfaadda59ec8da8fd17f4520bbf42 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 000480dfc1f8fe2d1c1655aa2f227f44f8c2eb2fa57eae8eea251bfc0dc4e242 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good b3f391fddf3cfaadda59ec8da8fd17f4520bbf42 Bisecting: 2634 revisions left to test after this (roughly 11 steps) [e5f0e38e7ece5b35577faa9bfbe5ec56091ec76b] Merge tag 'driver-core-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core determine whether the revision contains the guilty commit revision 8bc9e6515183935fa0cccaf67455c439afe4982b crashed and is reachable testing commit e5f0e38e7ece5b35577faa9bfbe5ec56091ec76b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 05a6daffb949ade04a5d43a67b9934d68c2acded89a95f83d0c2483ebe20ffc9 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good e5f0e38e7ece5b35577faa9bfbe5ec56091ec76b Bisecting: 1317 revisions left to test after this (roughly 10 steps) [ecabac70ff919580324b407818ee3e6c0004dcf8] perf trace augmented_raw_syscalls: Add extra array index bounds checking to satisfy some BPF verifiers determine whether the revision contains the guilty commit revision 89de2db19317fb89a6e9163f33c3a7b23ee75a18 crashed and is reachable testing commit ecabac70ff919580324b407818ee3e6c0004dcf8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c37e1784cb5f6eeb6cf303f505ff4fc982fe042f9ab47008587818ff8fb9e177 all runs: OK false negative chance: 0.000 # git bisect bad ecabac70ff919580324b407818ee3e6c0004dcf8 Bisecting: 658 revisions left to test after this (roughly 9 steps) [096c0fa42afa92b6ffa4e441c4c72a2f805c5a88] Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue determine whether the revision contains the guilty commit revision b3f391fddf3cfaadda59ec8da8fd17f4520bbf42 crashed and is reachable testing commit 096c0fa42afa92b6ffa4e441c4c72a2f805c5a88 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c8b8f4c67f9bff4d019f8647851029cf09d4021005fd241c04603b8d6854971f all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good 096c0fa42afa92b6ffa4e441c4c72a2f805c5a88 Bisecting: 329 revisions left to test after this (roughly 8 steps) [ff9d4099e6abe7062b1d81f003b1efce72da2fb3] Merge tag 'unicode-fixes-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode determine whether the revision contains the guilty commit revision 7b17f5ebd5fc5e9275eaa5af3d0771f2a7b01bbf crashed and is reachable testing commit ff9d4099e6abe7062b1d81f003b1efce72da2fb3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e3074c7beb4bb896d05df6b31eaece63eddb310b8aaa98f9af9c0a1dd9f70ded all runs: OK false negative chance: 0.000 # git bisect bad ff9d4099e6abe7062b1d81f003b1efce72da2fb3 Bisecting: 163 revisions left to test after this (roughly 7 steps) [f6785e0ccfdfc3d87aa8f1287a49cf8cae111d5f] Merge tag 'slab-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab determine whether the revision contains the guilty commit revision 8bc9e6515183935fa0cccaf67455c439afe4982b crashed and is reachable testing commit f6785e0ccfdfc3d87aa8f1287a49cf8cae111d5f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8b0a588c08418020317d4126e2acf3df04bca19f14f3fcf59d3656a7f261ca8d all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good f6785e0ccfdfc3d87aa8f1287a49cf8cae111d5f Bisecting: 80 revisions left to test after this (roughly 6 steps) [4563243edeeb3dc17355a80ec16bbfdc675702cb] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 4563243edeeb3dc17355a80ec16bbfdc675702cb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 081499f43d6767eba18b557d078e7aecf60b68547d0dec652990d74803bc78ac all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good 4563243edeeb3dc17355a80ec16bbfdc675702cb Bisecting: 35 revisions left to test after this (roughly 5 steps) [b2760b839044132c29234b648aa4f6a2877de234] Merge tag 'perf-tools-fixes-for-v6.12-1-2024-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools determine whether the revision contains the guilty commit revision 7b17f5ebd5fc5e9275eaa5af3d0771f2a7b01bbf crashed and is reachable testing commit b2760b839044132c29234b648aa4f6a2877de234 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 08d44aa8d58649b2d439db27af726257f6d6b7b8e23f1b9aa074508e3219dd55 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good b2760b839044132c29234b648aa4f6a2877de234 Bisecting: 17 revisions left to test after this (roughly 4 steps) [bdd6baf7408c69d403365d156447a22982d45430] fs/ntfs3: Remove unused al_delete_le determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit bdd6baf7408c69d403365d156447a22982d45430 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 555d38b966f809872c7b2c3c357aec75824d212d08f41dabb4655b6ee5b7989d all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good bdd6baf7408c69d403365d156447a22982d45430 Bisecting: 9 revisions left to test after this (roughly 3 steps) [5b7c893ed5ed0fc1cbe28c0e3296a6fb45698486] Merge tag 'ntfs3_for_6.12' of https://github.com/Paragon-Software-Group/linux-ntfs3 determine whether the revision contains the guilty commit revision 89de2db19317fb89a6e9163f33c3a7b23ee75a18 crashed and is reachable testing commit 5b7c893ed5ed0fc1cbe28c0e3296a6fb45698486 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6fa9cb64345a30a739c641e8d77a29eb19adbde5562b5c67096391e6929a21c6 all runs: OK false negative chance: 0.000 # git bisect bad 5b7c893ed5ed0fc1cbe28c0e3296a6fb45698486 Bisecting: 3 revisions left to test after this (roughly 2 steps) [090f612756a9720ec18b0b130e28be49839d7cb5] fs/ntfs3: Sequential field availability check in mi_enum_attr() determine whether the revision contains the guilty commit revision 8bc9e6515183935fa0cccaf67455c439afe4982b crashed and is reachable testing commit 090f612756a9720ec18b0b130e28be49839d7cb5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 02b147a9d0040d752cabdc10a21db5c0270e247597e4b6a8fea47a3aeacd22b4 all runs: OK false negative chance: 0.000 # git bisect bad 090f612756a9720ec18b0b130e28be49839d7cb5 Bisecting: 1 revision left to test after this (roughly 1 step) [03b097099eef255fbf85ea6a786ae3c91b11f041] fs/ntfs3: Fix possible deadlock in mi_read determine whether the revision contains the guilty commit revision bdd6baf7408c69d403365d156447a22982d45430 crashed and is reachable testing commit 03b097099eef255fbf85ea6a786ae3c91b11f041 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2dd3ca17f4eb16dfc1335cc32f846701e20bb1adb00c28d80472ccc768da749e all runs: OK false negative chance: 0.000 # git bisect bad 03b097099eef255fbf85ea6a786ae3c91b11f041 Bisecting: 0 revisions left to test after this (roughly 0 steps) [589996bf8c459deb5bbc9747d8f1c51658608103] ntfs3: Change to non-blocking allocation in ntfs_d_hash determine whether the revision contains the guilty commit revision 89de2db19317fb89a6e9163f33c3a7b23ee75a18 crashed and is reachable testing commit 589996bf8c459deb5bbc9747d8f1c51658608103 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 646613313116f2dde08ff2905f30c9f275273b44df60341d57bac9db8475cf18 all runs: crashed: possible deadlock in mi_read representative crash: possible deadlock in mi_read, types: [LOCKDEP] # git bisect good 589996bf8c459deb5bbc9747d8f1c51658608103 03b097099eef255fbf85ea6a786ae3c91b11f041 is the first bad commit commit 03b097099eef255fbf85ea6a786ae3c91b11f041 Author: Konstantin Komarov Date: Wed Aug 28 11:55:53 2024 +0300 fs/ntfs3: Fix possible deadlock in mi_read Mutex lock with another subclass used in ni_lock_dir(). Reported-by: syzbot+bc7ca0ae4591cb2550f9@syzkaller.appspotmail.com Signed-off-by: Konstantin Komarov fs/ntfs3/namei.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: 2dd3ca17f4eb16dfc1335cc32f846701e20bb1adb00c28d80472ccc768da749e parent signature: 646613313116f2dde08ff2905f30c9f275273b44df60341d57bac9db8475cf18 revisions tested: 26, total time: 5h11m42.888729301s (build: 1h56m20.435091696s, test: 3h1m38.277069017s) first good commit: 03b097099eef255fbf85ea6a786ae3c91b11f041 fs/ntfs3: Fix possible deadlock in mi_read recipients (to): ["almaz.alexandrovich@paragon-software.com"] recipients (cc): []