ci2 starts bisection 2023-09-26 15:28:39.866190255 +0000 UTC m=+1149051.895364348 bisecting fixing commit since 2f3918bc53fb998fdeed8683ddc61194ceb84edf building syzkaller on 49519f067f7fc9bfbf869e6851a4d398a9f7863f ensuring issue is reproducible on original commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f977bf238e75c6e35606f42b5773e59e37dd88d6ecad255184f656173206a0ed run #0: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #8: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #9: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in corrupted run #17: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #18: crashed: INFO: rcu detected stall in corrupted run #19: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING HANG] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7ba462a86142071099c4bd739b1d3cc24887681b08769f0e00b9e762c6d2f94 run #0: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #1: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #2: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #3: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #4: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING HANG] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN KASAN LOCKDEP], they are not needed kconfig minimization: base=3820 full=7523 leaves diff=1994 split chunks (needed=false): <1994> split chunk #0 of len 1994 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f6220dca9e67e642d5c764f345254e5687c02f1a084a08a4a7ed9c56e0d39c9 run #0: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #1: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #2: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #3: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #4: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #5: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #6: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #7: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 959f8a7139deb5ed751edbb5eab1ca84b141b422ff36101ac1af173536ba4388 run #0: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #1: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #2: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #3: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted representative crash: INFO: rcu detected stall in corrupted, types: [HANG WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a7a86a746f9a290b922af01bdfc9dad5e7e276119f026e023e6a6989a5da2b2e all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b4e404136e036234c14cf1463202eb065456e3dbb17912c2759db16a11f9f9f5 all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d6dceae32364314c0a6d50c34c10c97f7a68e72c8b289d23e5c77ae169e8f9c2 all runs: OK false negative chance: 0.000 minimized to 398 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB GPIOLIB HID_ZEROPLUS I2C_MUX IIO IRQ_REMAP KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_X2APIC X86_X32_ABI XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XFS_SUPPORT_V4 XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing current HEAD d23900f974e0fb995b36ef47283a5aa74ca25f51 testing commit d23900f974e0fb995b36ef47283a5aa74ca25f51 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef8c551fea933159eca631d8ae612086e1d022e7be50872d034636c3b5680099 all runs: OK false negative chance: 0.000 # git bisect start d23900f974e0fb995b36ef47283a5aa74ca25f51 2f3918bc53fb998fdeed8683ddc61194ceb84edf Bisecting: 1690 revisions left to test after this (roughly 11 steps) [7ae9f55a495077f838bab466411ee6f38574df9b] staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext() determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 7ae9f55a495077f838bab466411ee6f38574df9b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6bf7297810913e3d9550afa39f0619599c33a83ad449fa9900b1d5954e2ddee8 all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] # git bisect good 7ae9f55a495077f838bab466411ee6f38574df9b Bisecting: 845 revisions left to test after this (roughly 10 steps) [ed134f284b4ed85a70d5f760ed0686e3cd555f9b] vfs, security: Fix automount superblock LSM init problem, preventing NFS sb sharing determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit ed134f284b4ed85a70d5f760ed0686e3cd555f9b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 462c661614bbed7428afe52305dc1fbb1e08d5128455492920c450d56e80bfcb all runs: OK false negative chance: 0.000 # git bisect bad ed134f284b4ed85a70d5f760ed0686e3cd555f9b Bisecting: 422 revisions left to test after this (roughly 9 steps) [a4f71523ed2123d63b431cc0cea4e9f363a0f054] gfs2: Fix possible data races in gfs2_show_options() determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit a4f71523ed2123d63b431cc0cea4e9f363a0f054 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f534d9f8b6e881b122f4f30cf2d8b5c8fdad810d85eb9b40d119ee48e7323493 all runs: OK false negative chance: 0.000 # git bisect bad a4f71523ed2123d63b431cc0cea4e9f363a0f054 Bisecting: 210 revisions left to test after this (roughly 8 steps) [56562676102e135e7aebada26c2aea146a5b5ad0] drm/amd/display: skip CLEAR_PAYLOAD_ID_TABLE if device mst_en is 0 determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 56562676102e135e7aebada26c2aea146a5b5ad0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 280bfc4b0c7e56bd64234d4e947efbc2e73dc192e90bd89b1e5279ccb01f3e2f all runs: OK false negative chance: 0.000 # git bisect bad 56562676102e135e7aebada26c2aea146a5b5ad0 Bisecting: 105 revisions left to test after this (roughly 7 steps) [a24f67b71ad265e4008ae88f09e5bc039afb49df] arm64: dts: phycore-imx8mm: Correction in gpio-line-names determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit a24f67b71ad265e4008ae88f09e5bc039afb49df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b1236c68f601ca32eb654c6923c8fa7a078e7b639046df3bc90440df9634edad all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] # git bisect good a24f67b71ad265e4008ae88f09e5bc039afb49df Bisecting: 52 revisions left to test after this (roughly 6 steps) [4a77a0f7526c2761b300826b86da92878cfafb98] tcp_metrics: annotate data-races around tm->tcpm_stamp determine whether the revision contains the guilty commit revision a24f67b71ad265e4008ae88f09e5bc039afb49df crashed and is reachable testing commit 4a77a0f7526c2761b300826b86da92878cfafb98 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c89ee4fa26b1230af18e07d901f0a40e8ad0fc2683ae742fec2b91522021471b all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] # git bisect good 4a77a0f7526c2761b300826b86da92878cfafb98 Bisecting: 26 revisions left to test after this (roughly 5 steps) [654c1dd350c746244e4dd4fe1fde577a2dc93d96] arm64/fpsimd: Clear SME state in the target task when setting the VL determine whether the revision contains the guilty commit revision 4a77a0f7526c2761b300826b86da92878cfafb98 crashed and is reachable testing commit 654c1dd350c746244e4dd4fe1fde577a2dc93d96 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f119921c867773715c8d5fa01f79d201b17c0e582373a26c997ea5b79b7c1eff all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] # git bisect good 654c1dd350c746244e4dd4fe1fde577a2dc93d96 Bisecting: 13 revisions left to test after this (roughly 4 steps) [203d58930d4ac3287fe8a3c7e7be8b86a4dc20de] debugobjects: Recheck debug_objects_enabled before reporting determine whether the revision contains the guilty commit revision 4a77a0f7526c2761b300826b86da92878cfafb98 crashed and is reachable testing commit 203d58930d4ac3287fe8a3c7e7be8b86a4dc20de gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 94069d35dae6e342b1f16aa5ff16eda6dec03d2558d38b8f30704380f2d0a654 all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] # git bisect good 203d58930d4ac3287fe8a3c7e7be8b86a4dc20de Bisecting: 6 revisions left to test after this (roughly 3 steps) [6c591fce484ebef302b510b71cd3269f1ca31346] mtd: rawnand: omap_elm: Fix incorrect type in assignment determine whether the revision contains the guilty commit revision 4a77a0f7526c2761b300826b86da92878cfafb98 crashed and is reachable testing commit 6c591fce484ebef302b510b71cd3269f1ca31346 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 93945804d3ee48d7abb272f6da7dc49f7e30443856e9c71ecaba7a18aa1addc3 all runs: OK false negative chance: 0.000 # git bisect bad 6c591fce484ebef302b510b71cd3269f1ca31346 Bisecting: 3 revisions left to test after this (roughly 2 steps) [56c0d76a97222f4a91912d43814c7129010f4725] ext2: Drop fragment support determine whether the revision contains the guilty commit revision 7ae9f55a495077f838bab466411ee6f38574df9b crashed and is reachable testing commit 56c0d76a97222f4a91912d43814c7129010f4725 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f4b611e738f56f3ae34fcb9271fdb655e9f24fb08236c320c5b7e7e4043d39f all runs: OK false negative chance: 0.000 # git bisect bad 56c0d76a97222f4a91912d43814c7129010f4725 Bisecting: 0 revisions left to test after this (roughly 1 step) [295ef44a2abaf97d7a594b1d4c60d4be3738191f] fs: Protect reconfiguration of sb read-write from racing writes determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 295ef44a2abaf97d7a594b1d4c60d4be3738191f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c28eaa9d3ae88353fbc1dbab88fed3c0463271bf9037263836adcc1e001fa192 all runs: OK false negative chance: 0.000 # git bisect bad 295ef44a2abaf97d7a594b1d4c60d4be3738191f Bisecting: 0 revisions left to test after this (roughly 0 steps) [1bebbd9b8037a9cc75984317cb495dec4824c399] net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb determine whether the revision contains the guilty commit revision 2f3918bc53fb998fdeed8683ddc61194ceb84edf crashed and is reachable testing commit 1bebbd9b8037a9cc75984317cb495dec4824c399 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21260cd8b899545e6d628634da791019f337c548a19fb5c5a5cd5088469e4041 all runs: OK false negative chance: 0.000 # git bisect bad 1bebbd9b8037a9cc75984317cb495dec4824c399 1bebbd9b8037a9cc75984317cb495dec4824c399 is the first bad commit commit 1bebbd9b8037a9cc75984317cb495dec4824c399 Author: Alan Stern Date: Wed Jul 12 10:15:10 2023 -0400 net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb commit 5e1627cb43ddf1b24b92eb26f8d958a3f5676ccb upstream. The syzbot fuzzer identified a problem in the usbnet driver: usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 0 PID: 754 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 Modules linked in: CPU: 0 PID: 754 Comm: kworker/0:2 Not tainted 6.4.0-rc7-syzkaller-00014-g692b7dc87ca6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: mld mld_ifc_work RIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504 Code: 7c 24 18 e8 2c b4 5b fb 48 8b 7c 24 18 e8 42 07 f0 fe 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 c9 fc 8a e8 5a 6f 23 fb <0f> 0b e9 58 f8 ff ff e8 fe b3 5b fb 48 81 c5 c0 05 00 00 e9 84 f7 RSP: 0018:ffffc9000463f568 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88801eb28000 RSI: ffffffff814c03b7 RDI: 0000000000000001 RBP: ffff8881443b7190 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000003 R13: ffff88802a77cb18 R14: 0000000000000003 R15: ffff888018262500 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556a99c15a18 CR3: 0000000028c71000 CR4: 0000000000350ef0 Call Trace: usbnet_start_xmit+0xfe5/0x2190 drivers/net/usb/usbnet.c:1453 __netdev_start_xmit include/linux/netdevice.h:4918 [inline] netdev_start_xmit include/linux/netdevice.h:4932 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x187/0x700 net/core/dev.c:3594 ... This bug is caused by the fact that usbnet trusts the bulk endpoint addresses its probe routine receives in the driver_info structure, and it does not check to see that these endpoints actually exist and have the expected type and directions. The fix is simply to add such a check. Reported-and-tested-by: syzbot+63ee658b9a100ffadbe2@syzkaller.appspotmail.com Closes: https://lore.kernel.org/linux-usb/000000000000a56e9105d0cec021@google.com/ Signed-off-by: Alan Stern CC: Oliver Neukum Link: https://lore.kernel.org/r/ea152b6d-44df-4f8a-95c6-4db51143dcc1@rowland.harvard.edu Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman drivers/net/usb/usbnet.c | 6 ++++++ 1 file changed, 6 insertions(+) accumulated error probability: 0.00 culprit signature: 21260cd8b899545e6d628634da791019f337c548a19fb5c5a5cd5088469e4041 parent signature: 94069d35dae6e342b1f16aa5ff16eda6dec03d2558d38b8f30704380f2d0a654 revisions tested: 20, total time: 3h44m53.503299759s (build: 1h22m13.832959156s, test: 2h16m5.717598425s) first good commit: 1bebbd9b8037a9cc75984317cb495dec4824c399 net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb recipients (to): ["gregkh@linuxfoundation.org" "kuba@kernel.org" "stern@rowland.harvard.edu" "syzbot+63ee658b9a100ffadbe2@syzkaller.appspotmail.com"] recipients (cc): []