ci2 starts bisection 2025-08-20 07:20:20.592516901 +0000 UTC m=+19321.562599906
bisecting fixing commit since 58485ff1a74f6c5be9e7c6aafb7293e4337348e7
building syzkaller on 98683f8f094a4a5418f62711143436a99522360e
ensuring issue is reproducible on original commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7

testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: bef859edfd1ee256e4c49f8f8fbc2ee04de71003b92a9450ed977c82dfd56774
run #0: crashed: possible deadlock in vfs_rename
run #1: crashed: possible deadlock in vfs_rename
run #2: crashed: possible deadlock in vfs_rename
run #3: crashed: possible deadlock in vfs_rename
run #4: crashed: possible deadlock in vfs_rename
run #5: crashed: possible deadlock in vfs_rename
run #6: crashed: possible deadlock in vfs_rename
run #7: crashed: possible deadlock in vfs_rename
run #8: crashed: possible deadlock in vfs_rename
run #9: crashed: possible deadlock in vfs_rename
run #10: crashed: possible deadlock in vfs_rename
run #11: crashed: possible deadlock in delete_one_xattr
run #12: crashed: possible deadlock in vfs_rename
run #13: crashed: possible deadlock in vfs_rename
run #14: crashed: possible deadlock in vfs_rename
run #15: crashed: possible deadlock in vfs_rename
run #16: crashed: possible deadlock in vfs_rename
run #17: crashed: possible deadlock in vfs_rename
run #18: crashed: possible deadlock in vfs_rename
run #19: crashed: possible deadlock in vfs_rename
representative crash: possible deadlock in vfs_rename, types: [LOCKDEP]
check whether we can drop unnecessary instrumentation
disabling configs for [bug_or_warning kasan atomic_sleep hang memleak ubsan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: f1d031c36168bc21888393278b8bdd782127431e57cf761898bbbdc27f4691f7
all runs: crashed: possible deadlock in vfs_rename
representative crash: possible deadlock in vfs_rename, types: [LOCKDEP]
the bug reproduces without the instrumentation
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
kconfig minimization: base=7505 full=9720 leaves diff=1997
split chunks (needed=false): <1997>
split chunk #0 of len 1997 into 5 parts
testing without sub-chunk 1/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 3b394562cdf720ceff23225adc4d7182df35545ea972dc8515c65be7b88ec09d
all runs: crashed: possible deadlock in vfs_rename
representative crash: possible deadlock in vfs_rename, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 60c5a6e3b481b98464d9e66e0b60833457e725126a04180067a7cc31b5a240fa
all runs: crashed: possible deadlock in vfs_rename
representative crash: possible deadlock in vfs_rename, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 09500af91796272daee445962c9d9136f21043cdd9d105baa19fd37525454dc2
all runs: crashed: possible deadlock in vfs_rename
representative crash: possible deadlock in vfs_rename, types: [LOCKDEP]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 4c4fcfc057070f473e275bf2941fc9bc2b67ffbccdd779c39025c5d545393add
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed
testing commit 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 5c9560ffd77031b2bcf3b11289ccb890dfb9c4a46ea6e11b4602fb90a7b9fb69
all runs: crashed: possible deadlock in vfs_rename
representative crash: possible deadlock in vfs_rename, types: [LOCKDEP]
the chunk can be dropped
minimized to 400 configs; suspects: [AF_RXRPC ATM AX25 CFG80211 DRM DRM_ROCKCHIP HAMRADIO HID_PANTHERLORD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_SONY HID_THRUSTMASTER INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP MAC80211 MEDIA_COMMON_OPTIONS MEDIA_RADIO_SUPPORT MFD_DLN2 MFD_RETU NET_IPGRE_DEMUX OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PANTHERLORD_FF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PATA_AMD PATA_OLDPIIX PATA_SCH PCCARD PCMCIA PERCPU_STATS PERSISTENT_KEYRINGS PHY_CPCAP_USB PHY_QCOM_USB_HSIC PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_DEBUG PM_SLEEP_DEBUG PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PRISM2_USB PROC_CHILDREN PROC_KCORE PROC_MEM_ALWAYS_FORCE PSI PSTORE_842_COMPRESS PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QFMT_V2 QNX4FS_FS QNX6FS_FS QUOTA_NETLINK_INTERFACE QUOTA_TREE R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RC_ATI_REMOTE 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_SOUNDWIRE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RELAY RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROCKCHIP_ANALOGIX_DP ROCKCHIP_CDN_DP ROCKCHIP_DW_HDMI ROCKCHIP_DW_MIPI_DSI ROCKCHIP_INNO_HDMI ROCKCHIP_LVDS ROCKCHIP_VOP ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHEDSTATS SCSI_CONSTANTS SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SCAN_ASYNC SCSI_SPI_ATTRS 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_8250_DETECT_IRQ SERIAL_8250_MANY_PORTS SERIAL_8250_RSA SERIO_SERPORT SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_AUDIO_GRAPH_CARD SND_AUDIO_GRAPH_CARD2 SND_BCD2000 SND_BCM2835_SOC_I2S SND_COMPRESS_OFFLOAD SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMAENGINE_PCM SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_ALIGNED_MMIO 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_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_TEGRA SND_HRTIMER SND_HWDEP SND_IMX_SOC SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MESON_AIU SND_MESON_AXG_FIFO SND_MESON_AXG_FRDDR SND_MESON_AXG_PDM SND_MESON_AXG_SOUND_CARD SND_MESON_AXG_SPDIFIN SND_MESON_AXG_SPDIFOUT SND_MESON_AXG_TDMIN SND_MESON_AXG_TDMOUT SND_MESON_AXG_TDM_FORMATTER SND_MESON_AXG_TDM_INTERFACE SND_MESON_AXG_TODDR SND_MESON_CARD_UTILS SND_MESON_CODEC_GLUE SND_MESON_G12A_TOACODEC SND_MESON_G12A_TOHDMITX SND_MESON_GX_SOUND_CARD SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCM_ELD SND_PCM_IEC958 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_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SIMPLE_CARD SND_SIMPLE_CARD_UTILS SND_SOC SND_SOC_ADAU7002 SND_SOC_AK4613 SND_SOC_APPLE_MCA SND_SOC_APQ8016_SBC SND_SOC_COMPRESS SND_SOC_DA7219 SND_SOC_DMIC SND_SOC_ES7134 SND_SOC_ES7241 SND_SOC_FSL_ASOC_CARD SND_SOC_FSL_ASRC SND_SOC_FSL_AUDMIX SND_SOC_FSL_EASRC SND_SOC_FSL_ESAI SND_SOC_FSL_MICFIL SND_SOC_FSL_SAI SND_SOC_FSL_SPDIF SND_SOC_FSL_SSI SND_SOC_FSL_UTILS SND_SOC_GENERIC_DMAENGINE_PCM SND_SOC_GTM601 SND_SOC_HDMI_CODEC SND_SOC_I2C_AND_SPI SND_SOC_IMX_AUDMIX SND_SOC_IMX_AUDMUX SND_SOC_IMX_PCM_DMA SND_SOC_IMX_SGTL5000 SND_SOC_IMX_SPDIF SND_SOC_LPASS_APQ8016 SND_SOC_LPASS_CDC_DMA SND_SOC_LPASS_CPU SND_SOC_LPASS_HDMI SND_SOC_LPASS_MACRO_COMMON SND_SOC_LPASS_PLATFORM SND_SOC_LPASS_RX_MACRO SND_SOC_LPASS_SC7180 SND_SOC_LPASS_SC7280 SND_SOC_LPASS_TX_MACRO SND_SOC_LPASS_VA_MACRO SND_SOC_LPASS_WSA_MACRO SND_SOC_MAX98357A SND_SOC_MAX98927 SND_SOC_MESON_T9015 SND_SOC_MSM8916_WCD_ANALOG SND_SOC_MSM8916_WCD_DIGITAL SND_SOC_MSM8996 SND_SOC_NAU8822 SND_SOC_PCM3168A SND_SOC_PCM3168A_I2C SND_SOC_QCOM SND_SOC_QCOM_COMMON SND_SOC_QCOM_SDW SND_SOC_QDSP6 SND_SOC_QDSP6_ADM SND_SOC_QDSP6_AFE SND_SOC_QDSP6_AFE_CLOCKS SND_SOC_QDSP6_AFE_DAI SND_SOC_QDSP6_APM SND_SOC_QDSP6_APM_DAI SND_SOC_QDSP6_APM_LPASS_DAI SND_SOC_QDSP6_ASM SND_SOC_QDSP6_ASM_DAI SND_SOC_QDSP6_COMMON SND_SOC_QDSP6_CORE SND_SOC_QDSP6_PRM SND_SOC_QDSP6_PRM_LPASS_CLOCKS SND_SOC_QDSP6_ROUTING SND_SOC_RCAR SND_SOC_RK3399_GRU_SOUND SND_SOC_RL6231 SND_SOC_ROCKCHIP SND_SOC_ROCKCHIP_I2S SND_SOC_ROCKCHIP_RT5645 SND_SOC_ROCKCHIP_SPDIF SND_SOC_RT5514 SND_SOC_RT5514_SPI SND_SOC_RT5645 SND_SOC_RT5659 SND_SOC_RT5663 SND_SOC_RT5682 SND_SOC_RT5682S SND_SOC_RT5682_I2C SND_SOC_RZ SND_SOC_SAMSUNG SND_SOC_SC7180 SND_SOC_SC7280 SND_SOC_SDM845 SND_SOC_SGTL5000 SND_SOC_SIMPLE_AMPLIFIER SND_SOC_SIMPLE_MUX SND_SOC_SM8250 SND_SOC_SPDIF SND_SOC_TAS571X SND_SOC_TEGRA SND_SOC_TEGRA186_ASRC SND_SOC_TEGRA186_DSPK SND_SOC_TEGRA210_ADMAIF SND_SOC_TEGRA210_ADX SND_SOC_TEGRA210_AHUB SND_SOC_TEGRA210_AMX SND_SOC_TEGRA210_DMIC SND_SOC_TEGRA210_I2S SND_SOC_TEGRA210_MIXER SND_SOC_TEGRA210_MVC SND_SOC_TEGRA210_OPE SND_SOC_TEGRA210_SFC SND_SOC_TEGRA_AUDIO_GRAPH_CARD SND_SOC_TLV320AIC31XX SND_SOC_TLV320AIC32X4 SND_SOC_TLV320AIC32X4_I2C SND_SOC_TOPOLOGY SND_SOC_WCD9335 SND_SOC_WCD934X SND_SOC_WCD938X SND_SOC_WCD938X_SDW SND_SOC_WCD_MBHC SND_SOC_WM8524 SND_SOC_WM8904 SND_SOC_WM8960 SND_SOC_WM8962 SND_SOC_WM8978 SND_SOC_WM8994 SND_SOC_WM_HUBS SND_SOC_WSA881X SND_SPI SND_SUN4I_I2S SND_SUN4I_SPDIF SND_SUN50I_CODEC_ANALOG SND_SUN8I_ADDA_PR_REGMAP SND_SUN8I_CODEC SND_SUN8I_CODEC_ANALOG 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_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE_QCOM SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI_DLN2 SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STREAM_PARSER SUN_PARTITION SW_SYNC SYN_COOKIES 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 TCG_CRB TCG_TIS_I2C_INFINEON TCG_TPM TCP_CONG_ADVANCED 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 TCP_MD5SIG TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOOLS_SUPPORT_RELR TOUCHSCREEN_ATMEL_MXT TOUCHSCREEN_EDT_FT5X06 TWL4030_CORE USB_STORAGE_REALTEK WIRELESS WLAN WLAN_VENDOR_PURELIFI XFRM]
disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
determining the merge base between 58485ff1a74f6c5be9e7c6aafb7293e4337348e7 and b19a97d57c15643494ac8bfaaa35e3ee472d41da
830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 8d6cd3a4f793cae6c1586d719ccdf945e0df8b1f51019a263fbc6ae31c41e3ad
all runs: basic kernel testing failed: BUG: ADDR [#NUM] PREEMPT SMP
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
reproducer does not crash the merge base, so there's no known bad commit
revisions tested: 8, total time: 2h3m29.848172466s (build: 1h18m20.272603089s, test: 41m48.495270307s)
crash still not fixed or there were kernel test errors
commit msg: Linux 6.1