ci starts bisection 2026-08-02 10:00:22.387310318 +0000 UTC m=+97120.441538212 bisecting fixing commit since ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 building syzkaller on 197909be84fb372381af6fab3a7be03a06f9f7d1 ensuring issue is reproducible on original commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 testing commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 9637dbbe18dc7b24609e93e9eaf16fd030d61ff160d12e1139a7bd9e4554ec1c all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 4e3f581ec4b0244269b9b2c4d3468d2d4a7cbd6f65b82567d2f76dfaf80d60e1 all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed kconfig minimization: base=4147 full=8582 leaves diff=2143 split chunks (needed=false): <2143> split chunk #0 of len 2143 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: bd76117083a10e68a0b05461cc1ba75874e50043709205adb971b2486262ed9b all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: dd16ea4852255df8d1f0db8f73b1a255f4f9b79db3e5f889c55f3140b24a23f5 all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed testing commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 21f53813a9242077c748e94448a50c6408dd895665512509aa8ccbbab7d1fc36 all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed testing commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 1e41e0b12ff5fb281bfdd05f39511ecdfebb330dc26789b41cc4e743b0c41154 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: ac7d7b0a2c8471d0820303be576c3da42a2afbea69ecd49a58bf1d6153e24cce all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] the chunk can be dropped minimized to 429 configs; suspects: [AF_RXRPC ATM BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 DIBS DLM DMABUF_HEAPS DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB GUEST_PERF_EVENTS HAVE_CLK HID_NINTENDO HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NF_CONNTRACK_SNMP NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF 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 NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF 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 OPTEE_STATIC_PROTMEM_POOL ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCIE_BUS_DEFAULT PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERF_GUEST_MEDIATED_PMU PERSISTENT_KEYRINGS PHYLINK PHY_CPCAP_USB PHY_GOOGLE_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK POSIX_AUX_CLOCKS PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PREFIX_SYMBOLS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD RSEQ_SLICE_EXTENSION 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_DEFAULT_COOKIE_HMAC_SHA256 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBDIRECT SMBFS SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_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_SOC SND_SOC_I2C_AND_SPI SND_SOC_SDCA_OPTIONAL SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 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 SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI 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 STEAM_FF STP STREAM_PARSER SUN_PARTITION SURFACE_AGGREGATOR SURFACE_AGGREGATOR_BUS SURFACE_AGGREGATOR_REGISTRY SURFACE_HID SURFACE_HID_CORE SURFACE_KBD SW_SYNC SYSFB SYSFS_SYSCALL SYSV68_PARTITION 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 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 TEE TEE_DMABUF_HEAPS TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOOLS_SUPPORT_RELR 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 TRANSPARENT_HUGEPAGE_SHMEM_HUGE_ADVISE TRANSPARENT_HUGEPAGE_TMPFS_HUGE_ADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_GPIO_SBU TYPEC_MUX_INTEL_PMC TYPEC_MUX_NB7VPQ904M TYPEC_MUX_PTN36502 TYPEC_MUX_WCD939X_USBSS TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UCSI_CCG UCSI_STM32G0 UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing current HEAD 2d2338c93da79b3bfe4b6099a931d9468d539952 testing commit 2d2338c93da79b3bfe4b6099a931d9468d539952 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: a7b86412ef3aafed0c4524bc3b5d9a014588c6b6728dfa5e25ee702362594db7 all runs: OK false negative chance: 0.000 # git bisect start 2d2338c93da79b3bfe4b6099a931d9468d539952 ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 Bisecting: 8702 revisions left to test after this (roughly 13 steps) [aab799b1bdd1ff3e6912f96e66c910b8a5d011bb] Merge tag 'soc-dt-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 crashed and is reachable testing commit aab799b1bdd1ff3e6912f96e66c910b8a5d011bb gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: d09d3a1b0dd70c4a8c61f07e3101271014c03f2fe99eb72b83303f416a09c1ea all runs: OK false negative chance: 0.000 # git bisect bad aab799b1bdd1ff3e6912f96e66c910b8a5d011bb Bisecting: 3588 revisions left to test after this (roughly 12 steps) [b85966adbf5de0668a815c6e3527f87e0c387fb4] Merge tag 'net-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 crashed and is reachable testing commit b85966adbf5de0668a815c6e3527f87e0c387fb4 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: f0ece7d9488ef6e0cb0eb574bcdd2b2a91e1f249ef0e8b03c63b7f45bbcea2ce all runs: OK false negative chance: 0.000 # git bisect bad b85966adbf5de0668a815c6e3527f87e0c387fb4 Bisecting: 2628 revisions left to test after this (roughly 11 steps) [a87bbc4578fd686d535fbd62e8bc73fc6c7c5415] Merge tag 'docs-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux determine whether the revision contains the guilty commit revision ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 crashed and is reachable testing commit a87bbc4578fd686d535fbd62e8bc73fc6c7c5415 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: d65df3adff9889a3f585aac656d73a75412e4f251b43cd9c74733eccf7fced32 all runs: OK false negative chance: 0.000 # git bisect bad a87bbc4578fd686d535fbd62e8bc73fc6c7c5415 Bisecting: 1305 revisions left to test after this (roughly 10 steps) [36808d5e983985bbda87e01059cccc071fe3ec8d] Merge tag 'driver-core-7.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/driver-core/driver-core determine whether the revision contains the guilty commit revision ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 crashed and is reachable testing commit 36808d5e983985bbda87e01059cccc071fe3ec8d gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 499a1fd59a53663f1cf8de0368e937fe45dd04948ecf417197c0030dfb397ba4 all runs: OK false negative chance: 0.000 # git bisect bad 36808d5e983985bbda87e01059cccc071fe3ec8d Bisecting: 660 revisions left to test after this (roughly 9 steps) [c8ed3a15a749246ddfedb84aab9cf0316c7b9b8a] Merge tag 'vfs-7.2-rc1.bh' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision ba3e43a9e601636f5edb54e259a74f96ca3b8fd8 crashed and is reachable testing commit c8ed3a15a749246ddfedb84aab9cf0316c7b9b8a gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 354e9a22a3d1a168b6a5206f5892741f2777252ad2722e2652b75758fa850b54 all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] # git bisect good c8ed3a15a749246ddfedb84aab9cf0316c7b9b8a Bisecting: 310 revisions left to test after this (roughly 8 steps) [b079329b8691768962aa514b8f8c9077ca352459] Merge tag 'rust-7.2' of gitolite.kernel.org:pub/scm/linux/kernel/git/ojeda/linux determine whether the revision contains the guilty commit revision c8ed3a15a749246ddfedb84aab9cf0316c7b9b8a crashed and is reachable testing commit b079329b8691768962aa514b8f8c9077ca352459 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: aaa2f001d4dd1b6dacfee5be95d7a4521f191efc1d3cc981bd16889922ad0abf all runs: OK false negative chance: 0.000 # git bisect bad b079329b8691768962aa514b8f8c9077ca352459 Bisecting: 177 revisions left to test after this (roughly 8 steps) [e8a56d6fc828bb569fa2dd33c3e6eb16a165b097] Merge tag 'pull-dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs determine whether the revision contains the guilty commit revision c8ed3a15a749246ddfedb84aab9cf0316c7b9b8a crashed and is reachable testing commit e8a56d6fc828bb569fa2dd33c3e6eb16a165b097 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 471790ee1b3c0bf8bc2336aca24a84fe011c1391c63c106ae58f8630702a7af8 all runs: OK false negative chance: 0.000 # git bisect bad e8a56d6fc828bb569fa2dd33c3e6eb16a165b097 Bisecting: 89 revisions left to test after this (roughly 7 steps) [aa5c4fe3ba0cb2af90bbcfa7a8ef4fefcd5c2370] backing-file: fix backing_file_open() kerneldoc parameter determine whether the revision contains the guilty commit checking the merge base 254f49634ee16a731174d2ae34bc50bd5f45e731 no existing result, test the revision testing commit 254f49634ee16a731174d2ae34bc50bd5f45e731 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 9fbf05002a790b8fac77deb88da0d34cf28bc48f79190638ca1da194659c71cc all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] testing commit aa5c4fe3ba0cb2af90bbcfa7a8ef4fefcd5c2370 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: b94764c9286f5ac7d686a5cf104b195dd9ce27a5635c7813e87bf7e5e3b52f9d all runs: OK false negative chance: 0.000 # git bisect bad aa5c4fe3ba0cb2af90bbcfa7a8ef4fefcd5c2370 Bisecting: 40 revisions left to test after this (roughly 5 steps) [7dc6acb3d56bc2c5d119c86abd8fe96034084fc8] fs/pipe: write to ->poll_usage only once determine whether the revision contains the guilty commit revision 254f49634ee16a731174d2ae34bc50bd5f45e731 crashed and is reachable testing commit 7dc6acb3d56bc2c5d119c86abd8fe96034084fc8 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 760b1d8db421f101f3ca76e0934c9ee680e63b28fcd7cace16e0791d2574f735 all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] # git bisect good 7dc6acb3d56bc2c5d119c86abd8fe96034084fc8 Bisecting: 20 revisions left to test after this (roughly 4 steps) [aca4fd395d178b8f811db55797a8b3c773d61538] fs/namespace: use __getname() to allocate mntpath buffer determine whether the revision contains the guilty commit revision 7dc6acb3d56bc2c5d119c86abd8fe96034084fc8 crashed and is reachable testing commit aca4fd395d178b8f811db55797a8b3c773d61538 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: d92def9c74782ba46c586bbe7df6750b5a4686ef6aa6b92b9034740846b02c64 all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] # git bisect good aca4fd395d178b8f811db55797a8b3c773d61538 Bisecting: 10 revisions left to test after this (roughly 3 steps) [00633c4683828acd5256fa8d5163f440d74bbe71] fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling determine whether the revision contains the guilty commit revision 7dc6acb3d56bc2c5d119c86abd8fe96034084fc8 crashed and is reachable testing commit 00633c4683828acd5256fa8d5163f440d74bbe71 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 5ea16ad6b20dcb76232d75458d7755bac0e0f6bd017c9d009307fff92be14801 all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] # git bisect good 00633c4683828acd5256fa8d5163f440d74bbe71 Bisecting: 5 revisions left to test after this (roughly 3 steps) [1a571226cb82503839c6c284d3c7a172c93f19c4] fs/read_write: Do not export __kernel_write() to the entire world determine whether the revision contains the guilty commit revision aca4fd395d178b8f811db55797a8b3c773d61538 crashed and is reachable testing commit 1a571226cb82503839c6c284d3c7a172c93f19c4 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 0bb8e43e50a67721d3053d18ce04b22866f345857b6f59fece3eb930cf35e4de all runs: OK false negative chance: 0.000 # git bisect bad 1a571226cb82503839c6c284d3c7a172c93f19c4 Bisecting: 2 revisions left to test after this (roughly 1 step) [6de2aeffabaafaeda819e60ec8d04f199711e11a] libfs: set SB_I_NOEXEC and SB_I_NODEV by default in init_pseudo() determine whether the revision contains the guilty commit revision 254f49634ee16a731174d2ae34bc50bd5f45e731 crashed and is reachable testing commit 6de2aeffabaafaeda819e60ec8d04f199711e11a gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: a46c844644acec905168b4587f12f14483b3a81534da5e38d7259890107dbd7f all runs: OK false negative chance: 0.000 # git bisect bad 6de2aeffabaafaeda819e60ec8d04f199711e11a Bisecting: 0 revisions left to test after this (roughly 0 steps) [6dd3c6884cd9defb511284b566cef5ac8f657dbf] mount: honour SB_NOUSER in the new mount API determine whether the revision contains the guilty commit revision aca4fd395d178b8f811db55797a8b3c773d61538 crashed and is reachable testing commit 6dd3c6884cd9defb511284b566cef5ac8f657dbf gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: bdcabb9893901de146be31252996d9e1d18712aba477cf80dbc60b8de33c760c all runs: crashed: WARNING in path_noexec representative crash: WARNING in path_noexec, types: [WARNING] # git bisect good 6dd3c6884cd9defb511284b566cef5ac8f657dbf 6de2aeffabaafaeda819e60ec8d04f199711e11a is the first bad commit commit 6de2aeffabaafaeda819e60ec8d04f199711e11a Author: John Hubbard Date: Wed Jun 3 19:53:14 2026 -0700 libfs: set SB_I_NOEXEC and SB_I_NODEV by default in init_pseudo() Since commit 1e7ab6f67824 ("anon_inode: rework assertions"), path_noexec() warns when an anonymous-inode file is mmap'd from a superblock that has not set SB_I_NOEXEC. dma-buf backs its files this way and never set the flag, so mmap of any exported buffer trips the warning on a CONFIG_DEBUG_VFS=y kernel: WARNING: CPU: 11 PID: 121813 at fs/exec.c:118 path_noexec+0x47/0x50 do_mmap+0x2b5/0x680 vm_mmap_pgoff+0x129/0x210 ksys_mmap_pgoff+0x177/0x240 __x64_sys_mmap+0x33/0x70 init_pseudo() sets up internal SB_NOUSER mounts that are never path-reachable. Set both flags here so every pseudo filesystem gets them by default instead of each caller setting them. SB_I_NODEV is inert for unreachable mounts. SB_I_NOEXEC has one visible effect: an executable mapping of a pseudo-fs fd, such as a dma-buf, now fails with -EPERM, which is the invariant the assertion enforces. No in-tree caller maps these executable. Reproduce on CONFIG_DEBUG_VFS=y: make -C tools/testing/selftests/dmabuf-heaps sudo ./tools/testing/selftests/dmabuf-heaps/dmabuf-heap -t system Fixes: 1e7ab6f67824 ("anon_inode: rework assertions") Suggested-by: Christoph Hellwig Cc: stable@vger.kernel.org Signed-off-by: John Hubbard Link: https://patch.msgid.link/20260604025315.245910-2-jhubbard@nvidia.com Signed-off-by: Christian Brauner (Amutable) fs/libfs.c | 1 + 1 file changed, 1 insertion(+) accumulated error probability: 0.00 culprit signature: a46c844644acec905168b4587f12f14483b3a81534da5e38d7259890107dbd7f parent signature: bdcabb9893901de146be31252996d9e1d18712aba477cf80dbc60b8de33c760c revisions tested: 23, total time: 7h6m7.325158135s (build: 2h34m55.783816072s, test: 3h12m50.389576167s) first good commit: 6de2aeffabaafaeda819e60ec8d04f199711e11a libfs: set SB_I_NOEXEC and SB_I_NODEV by default in init_pseudo() recipients (to): ["brauner@kernel.org" "brauner@kernel.org" "jhubbard@nvidia.com" "linux-fsdevel@vger.kernel.org" "viro@zeniv.linux.org.uk"] recipients (cc): ["jack@suse.cz" "linux-kernel@vger.kernel.org"]