ci2 starts bisection 2023-09-21 17:42:20.962796366 +0000 UTC m=+725072.991970470 bisecting fixing commit since 0ab06468cbd149aac0d7f216ec00452ff8c74e0b building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27 ensuring issue is reproducible on original commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: da41adfb1d69711c61726d24fd5b12495e116a586c8d4db9730fe5caba4c5cbe run #0: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #1: failed: failed to run command in VM: broken console: Permission denied (publickey) run #2: failed: failed to run command in VM: broken console: Permission denied (publickey) 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: WARNING in usbnet_start_xmit/usb_submit_urb run #9: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #10: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #11: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #12: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #13: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #14: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #15: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #16: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #17: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #18: crashed: WARNING in usbnet_start_xmit/usb_submit_urb run #19: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5ae2f666e9cf189ea7d535bc1fc569747880649add746466940038d374247734 all runs: crashed: WARNING in usbnet_start_xmit/usb_submit_urb representative crash: WARNING in usbnet_start_xmit/usb_submit_urb, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3703 full=7271 leaves diff=1986 split chunks (needed=false): <1986> split chunk #0 of len 1986 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 460fe645decb7c892e0f7d07cfda48ae5d25151afa673058bff5d2700afaac3f 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 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d2c2547941eb460220ea884c74af09ca502b77ccfdc33f18214dd3618389273 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 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0c8171c45bc5a6799b84d1a516f86a1beff99f20272cd5e5e577e52ae428c56e 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 HANG], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bfd8552f031a0cd195ae55294eff5f7959114aa34ca8b2bed49f84fa454291b8 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 [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aa6002f27bf8dc79b6cb9f0e55147c8be812b3879e0932d47ce887c4b3cc5daa all runs: OK false negative chance: 0.000 minimized to 394 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB FRONTSWAP GPIOLIB HID_ZEROPLUS I2C_MUX IIO IRQ_REMAP 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_HOTPLUG_SPARSE MEMORY_HOTREMOVE MFD_VIPERBOARD PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TUN USB_AMD5536UDC USB_ATM USB_CONFIGFS 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_STKWEBCAM 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 USB_ZR364XX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA 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 VIDEOBUF_GEN VIDEOBUF_VMALLOC VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CPIA2 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_TM6000 VIDEO_TM6000_ALSA VIDEO_TM6000_DVB VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2 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 X86_SGX X86_X2APIC X86_X32 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 ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 35ecaa3632bff102decb9f2277cf99150b2bf690 testing commit 35ecaa3632bff102decb9f2277cf99150b2bf690 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 73f8913b12533a23b52d9a11e57f8dde76c9ab475035dbfc0b4bfe0a42a9a688 all runs: OK false negative chance: 0.000 # git bisect start 35ecaa3632bff102decb9f2277cf99150b2bf690 0ab06468cbd149aac0d7f216ec00452ff8c74e0b Bisecting: 1138 revisions left to test after this (roughly 10 steps) [f07d8d345bd2d06ecdc613901c2a6d4c43d22508] i2c: nomadik: Use devm_clk_get_enabled() determine whether the revision contains the guilty commit revision 0ab06468cbd149aac0d7f216ec00452ff8c74e0b crashed and is reachable testing commit f07d8d345bd2d06ecdc613901c2a6d4c43d22508 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdae8ef7407dd2da5c164a2c5b43f2e47b897aa422c7fe9debd032b19512e3cd 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 f07d8d345bd2d06ecdc613901c2a6d4c43d22508 Bisecting: 569 revisions left to test after this (roughly 9 steps) [ad79f943c869238149594a9906c92847335ded5c] x86/fpu: Invalidate FPU state correctly on exec() determine whether the revision contains the guilty commit revision 0ab06468cbd149aac0d7f216ec00452ff8c74e0b crashed and is reachable testing commit ad79f943c869238149594a9906c92847335ded5c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb1d9022afa7a300c79f4f105200541ef43ddd6edbf7a56242aa1d27a222b8e7 all runs: OK false negative chance: 0.000 # git bisect bad ad79f943c869238149594a9906c92847335ded5c Bisecting: 284 revisions left to test after this (roughly 8 steps) [36a3b560c78d11c4bf887e7b7e7c8d0aa819048e] radix tree test suite: fix incorrect allocation size for pthreads determine whether the revision contains the guilty commit revision 0ab06468cbd149aac0d7f216ec00452ff8c74e0b crashed and is reachable testing commit 36a3b560c78d11c4bf887e7b7e7c8d0aa819048e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c6e0acc832ba537ae611a1c0d00d2b89832e6b6b9b80c60687a86ffc8231d02a all runs: OK false negative chance: 0.000 # git bisect bad 36a3b560c78d11c4bf887e7b7e7c8d0aa819048e Bisecting: 141 revisions left to test after this (roughly 7 steps) [38d4ca22a5288c4bae7e6d62a1728b0718d51866] Linux 5.15.124 determine whether the revision contains the guilty commit revision 0ab06468cbd149aac0d7f216ec00452ff8c74e0b crashed and is reachable testing commit 38d4ca22a5288c4bae7e6d62a1728b0718d51866 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eb25343d640532adb9d0208390e8047588f4fe3f8a2844681d3a731869afad41 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 38d4ca22a5288c4bae7e6d62a1728b0718d51866 Bisecting: 70 revisions left to test after this (roughly 6 steps) [9edf7955025a602ab6bcc94d923c436e160a10e3] net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after-free determine whether the revision contains the guilty commit revision 38d4ca22a5288c4bae7e6d62a1728b0718d51866 crashed and is reachable testing commit 9edf7955025a602ab6bcc94d923c436e160a10e3 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c2c270a9e4c5254a78e0804bd7f88196c45e046938312e88c570154b1e4ff9e2 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 9edf7955025a602ab6bcc94d923c436e160a10e3 Bisecting: 35 revisions left to test after this (roughly 5 steps) [ae07cfe2b099e29f83c5fa3f625b7f9db12eb606] rbd: prevent busy loop when requesting exclusive lock determine whether the revision contains the guilty commit revision f07d8d345bd2d06ecdc613901c2a6d4c43d22508 crashed and is reachable testing commit ae07cfe2b099e29f83c5fa3f625b7f9db12eb606 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 609d6603b2478c42afb532060e68f989b0668bafb06cc890a8aa36302de3d327 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 ae07cfe2b099e29f83c5fa3f625b7f9db12eb606 Bisecting: 17 revisions left to test after this (roughly 4 steps) [1cdb50faf7f71e05a0aeed6658d21f0cf150f0e9] selftests/rseq: check if libc rseq support is registered determine whether the revision contains the guilty commit revision 38d4ca22a5288c4bae7e6d62a1728b0718d51866 crashed and is reachable testing commit 1cdb50faf7f71e05a0aeed6658d21f0cf150f0e9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8a1a53aaf267ab1a90ff3070299dcb1e7c7e189f77c065b45774e48ca56fcc7f all runs: OK false negative chance: 0.000 # git bisect bad 1cdb50faf7f71e05a0aeed6658d21f0cf150f0e9 Bisecting: 8 revisions left to test after this (roughly 3 steps) [27d0f755d649d388fcd12f01436c9a33289e14e3] net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb determine whether the revision contains the guilty commit revision 0ab06468cbd149aac0d7f216ec00452ff8c74e0b crashed and is reachable testing commit 27d0f755d649d388fcd12f01436c9a33289e14e3 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b8fad801c8ce3c3a03d4cf191e837ce0040605309f4d79d86974ccffb851b96f all runs: OK false negative chance: 0.000 # git bisect bad 27d0f755d649d388fcd12f01436c9a33289e14e3 Bisecting: 4 revisions left to test after this (roughly 2 steps) [b44d28b98f185d2f2348aa3c3636838c316f889e] bpf, cpumap: Make sure kthread is running before map update returns determine whether the revision contains the guilty commit revision ae07cfe2b099e29f83c5fa3f625b7f9db12eb606 crashed and is reachable testing commit b44d28b98f185d2f2348aa3c3636838c316f889e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6157f4e9a4701c214b81d9710b5c7776e54d870ad70c754527b45096ae26a311 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 b44d28b98f185d2f2348aa3c3636838c316f889e Bisecting: 2 revisions left to test after this (roughly 1 step) [80ec112c199664a455e8372d5d7c38012409c71f] fs/ntfs3: Use __GFP_NOWARN allocation at ntfs_load_attr_list() determine whether the revision contains the guilty commit revision b44d28b98f185d2f2348aa3c3636838c316f889e crashed and is reachable testing commit 80ec112c199664a455e8372d5d7c38012409c71f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c8e82e472f206712c0c5b6cc6c2333233a8ed6bdae1c4bf3d08fbeb8dec3ff0 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 80ec112c199664a455e8372d5d7c38012409c71f Bisecting: 0 revisions left to test after this (roughly 1 step) [fbe5a2fed8156cc19eb3b956602b0a1dd46a302d] Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb determine whether the revision contains the guilty commit revision 38d4ca22a5288c4bae7e6d62a1728b0718d51866 crashed and is reachable testing commit fbe5a2fed8156cc19eb3b956602b0a1dd46a302d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c8e82e472f206712c0c5b6cc6c2333233a8ed6bdae1c4bf3d08fbeb8dec3ff0 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 fbe5a2fed8156cc19eb3b956602b0a1dd46a302d 27d0f755d649d388fcd12f01436c9a33289e14e3 is the first bad commit commit 27d0f755d649d388fcd12f01436c9a33289e14e3 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: b8fad801c8ce3c3a03d4cf191e837ce0040605309f4d79d86974ccffb851b96f parent signature: 9c8e82e472f206712c0c5b6cc6c2333233a8ed6bdae1c4bf3d08fbeb8dec3ff0 revisions tested: 19, total time: 3h0m37.151522424s (build: 59m47.607617491s, test: 1h56m49.889446947s) first good commit: 27d0f755d649d388fcd12f01436c9a33289e14e3 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): []