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From: syzbot <syzbot+7fa38a608b1075dfd634@syzkaller.appspotmail.com>
To: andreyknvl@google.com, gregkh@linuxfoundation.org,
	kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org,
	linux-usb@vger.kernel.org, mans@mansr.com, oneukum@suse.com,
	stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com
Subject: Re: general protection fault in usb_set_interface
Date: Tue, 17 Sep 2019 11:15:00 -0700
Message-ID: <000000000000e08e490592c3b2c4@google.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1909171405350.1590-100000@iolanthe.rowland.org>

Hello,

syzbot tried to test the proposed patch but build/boot failed:

  drivers/usb/typec/altmodes/built-in.a
   CC      drivers/usb/misc/legousbtower.o
   AR      drivers/usb/musb/built-in.a
   CC      drivers/usb/host/sl811-hcd.o
   CC      drivers/usb/usbip/vhci_sysfs.o
   AR      drivers/usb/typec/mux/built-in.a
   CC      drivers/usb/serial/generic.o
   CC      drivers/usb/serial/bus.o
   CC      drivers/usb/usbip/vhci_tx.o
   CC      drivers/usb/serial/aircable.o
   CC      drivers/usb/typec/tcpm/tcpm.o
   CC      drivers/staging/rtl8712/usb_halinit.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.o
   AR      drivers/media/usb/zr364xx/built-in.a
   CC      drivers/staging/uwb/driver.o
   CC      drivers/staging/rtl8712/usb_ops.o
   CC      drivers/staging/rtl8712/usb_ops_linux.o
   CC      drivers/staging/rtl8712/rtl871x_io.o
   CC      drivers/staging/rtl8712/rtl8712_io.o
   CC      drivers/media/usb/uvc/uvc_debugfs.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ce/rf.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ce/phy.o
   CC      drivers/media/usb/uvc/uvc_metadata.o
   CC      drivers/usb/serial/ark3116.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ce/sw.o
   CC      drivers/usb/serial/belkin_sa.o
   CC      drivers/media/usb/uvc/uvc_entity.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/hw.o
   CC      drivers/gpu/drm/i915/i915_oa_sklgt4.o
   CC      drivers/gpu/drm/i915/i915_oa_bxt.o
   CC      drivers/usb/misc/rio500.o
   CC      drivers/usb/misc/usbtest.o
   CC      drivers/staging/wlan-ng/prism2usb.o
   CC      drivers/usb/misc/ehset.o
   CC      drivers/usb/serial/ch341.o
   CC      drivers/usb/storage/protocol.o
   CC      drivers/usb/typec/ucsi/trace.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8192cu/built-in.a
   CC      drivers/usb/usbip/vhci_rx.o
   CC      drivers/usb/usbip/vhci_hcd.o
   CC      drivers/usb/misc/trancevibrator.o
   CC      drivers/usb/typec/ucsi/ucsi.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/fw.o
   CC      drivers/staging/uwb/drp.o
   CC      drivers/usb/host/sl811_cs.o
   CC      drivers/staging/uwb/drp-avail.o
   CC      drivers/usb/host/u132-hcd.o
   CC      drivers/staging/rtl8712/rtl871x_ioctl_linux.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ce/table.o
   AR      drivers/media/usb/uvc/built-in.a
scripts/Makefile.build:497: recipe for target 'drivers/media/usb' failed
make[2]: *** [drivers/media/usb] Error 2
scripts/Makefile.build:497: recipe for target 'drivers/media' failed
make[1]: *** [drivers/media] Error 2
make[1]: *** Waiting for unfinished jobs....
   CC      drivers/usb/misc/uss720.o
   CC      drivers/usb/storage/transport.o
   CC      drivers/usb/misc/usbsevseg.o
   CC      drivers/usb/usbip/stub_dev.o
   CC      drivers/usb/misc/usb251xb.o
   CC      drivers/staging/uwb/drp-ie.o
   CC      drivers/usb/serial/cp210x.o
   CC      drivers/usb/serial/cyberjack.o
   CC      drivers/usb/serial/cypress_m8.o
   CC      drivers/gpu/drm/i915/i915_oa_kblgt2.o
   CC      drivers/usb/host/bcma-hcd.o
   CC      drivers/usb/host/r8a66597-hcd.o
   CC      drivers/usb/misc/yurex.o
   CC      drivers/usb/misc/usb3503.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/led.o
   CC      drivers/staging/wlan-ng/p80211conv.o
   CC      drivers/usb/host/ssb-hcd.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ce/trx.o
   CC      drivers/staging/uwb/est.o
   CC      drivers/usb/misc/usb4604.o
   CC      drivers/usb/misc/chaoskey.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/dm.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/fw.o
   CC      drivers/staging/rtl8712/rtl871x_ioctl_rtl.o
   CC      drivers/usb/usbip/stub_main.o
   CC      drivers/usb/misc/lvstest.o
   CC      drivers/usb/storage/usb.o
   CC      drivers/usb/storage/initializers.o
   CC      drivers/usb/storage/sierra_ms.o
   CC      drivers/gpu/drm/drm_vblank.o
   CC      drivers/gpu/drm/drm_syncobj.o
   CC      drivers/usb/typec/ucsi/ucsi_acpi.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/hw.o
   CC      drivers/usb/host/fotg210-hcd.o
   CC      drivers/staging/uwb/ie.o
   CC      drivers/gpu/drm/i915/i915_oa_kblgt3.o
   CC      drivers/staging/wlan-ng/p80211req.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/pwrseq.o
   CC      drivers/staging/wlan-ng/p80211wep.o
   CC      drivers/staging/wlan-ng/p80211netdev.o
   CC      drivers/usb/serial/usb_debug.o
   CC      drivers/staging/rtl8712/rtl871x_ioctl_set.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/led.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.o
   CC      drivers/usb/usbip/stub_rx.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/led.o
   CC      drivers/usb/usbip/stub_tx.o
   CC      drivers/staging/uwb/ie-rcv.o
   CC      drivers/usb/typec/class.o
   CC      drivers/usb/serial/digi_acceleport.o
   AR      drivers/usb/typec/ucsi/built-in.a
   AR      drivers/usb/misc/built-in.a
   CC      drivers/gpu/drm/i915/i915_oa_glk.o
   CC      drivers/staging/uwb/lc-dev.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/rf.o
   CC      drivers/usb/usbip/vudc_dev.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8192ce/built-in.a
   CC      drivers/usb/typec/tcpm/fusb302.o
   CC      drivers/usb/storage/option_ms.o
   CC      drivers/usb/storage/usual-tables.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.o
   CC      drivers/staging/rtl8712/rtl8712_led.o
   CC      drivers/usb/typec/mux.o
   CC      drivers/usb/typec/bus.o
   CC      drivers/usb/typec/tcpm/tcpci.o
   CC      drivers/gpu/drm/i915/i915_oa_cflgt2.o
   CC      drivers/gpu/drm/i915/i915_oa_cflgt3.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/rf.o
   CC      drivers/staging/uwb/lc-rc.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/rf.o
   CC      drivers/usb/host/max3421-hcd.o
   CC      drivers/usb/usbip/vudc_sysfs.o
   CC      drivers/usb/serial/io_edgeport.o
   CC      drivers/usb/serial/io_ti.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.o
   CC      drivers/usb/typec/tps6598x.o
   CC      drivers/usb/storage/alauda.o
   CC      drivers/usb/storage/cypress_atacb.o
   CC      drivers/usb/storage/datafab.o
   CC      drivers/gpu/drm/i915/i915_oa_cnl.o
   CC      drivers/usb/usbip/vudc_tx.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.o
   CC      drivers/staging/rtl8712/rtl871x_mlme.o
   CC      drivers/staging/rtl8712/ieee80211.o
   CC      drivers/staging/uwb/neh.o
   CC      drivers/usb/usbip/vudc_rx.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/table.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/sw.o
   AR      drivers/usb/typec/tcpm/built-in.a
   CC      drivers/gpu/drm/drm_lease.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/table.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/trx.o
   AR      drivers/usb/typec/built-in.a
   CC      drivers/staging/uwb/pal.o
   CC      drivers/staging/uwb/radio.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.o
   CC      drivers/staging/uwb/reset.o
   CC      drivers/usb/usbip/vudc_transfer.o
   CC      drivers/gpu/drm/drm_writeback.o
   CC      drivers/usb/usbip/vudc_main.o
   AR      drivers/staging/wlan-ng/built-in.a
   CC      drivers/gpu/drm/drm_client.o
   CC      drivers/usb/storage/ene_ub6250.o
   CC      drivers/staging/uwb/rsv.o
   CC      drivers/usb/serial/empeg.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/table.o
   CC      drivers/usb/serial/f81232.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/dm.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.o
   CC      drivers/staging/uwb/scan.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8192se/trx.o
   CC      drivers/staging/rtl8712/rtl871x_mp_ioctl.o
   CC      drivers/staging/uwb/uwb-debug.o
   CC      drivers/usb/storage/freecom.o
   CC      drivers/gpu/drm/i915/i915_oa_icl.o
   CC      drivers/usb/serial/f81534.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.o
   CC      drivers/net/wireless/realtek/rtlwifi/base.o
   CC      drivers/net/wireless/realtek/rtlwifi/cam.o
   CC      drivers/gpu/drm/drm_client_modeset.o
   CC      drivers/gpu/drm/drm_hdcp.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8192ee/built-in.a
   CC      drivers/gpu/drm/drm_ioc32.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.o
   AR      drivers/usb/usbip/built-in.a
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723com/main.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/led.o
   CC      drivers/gpu/drm/drm_atomic_uapi.o
   CC      drivers/usb/serial/ftdi_sio.o
   CC      drivers/staging/rtl8712/rtl871x_mp.o
   CC      drivers/staging/wusbcore/host/whci/asl.o
   CC      drivers/gpu/drm/drm_panel.o
   CC      drivers/gpu/drm/drm_of.o
   AR      drivers/usb/host/built-in.a
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723com/dm_common.o
   CC      drivers/usb/serial/garmin_gps.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723com/fw_common.o
   CC      drivers/staging/uwb/uwbd.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723com/phy_common.o
   CC      drivers/usb/storage/isd200.o
   CC      drivers/net/wireless/realtek/rtlwifi/core.o
   AR      drivers/gpu/drm/i915/built-in.a
   CC      drivers/usb/serial/ipaq.o
   CC      drivers/staging/rtl8712/mlme_linux.o
   CC      drivers/net/wireless/realtek/rtlwifi/debug.o
   CC      drivers/net/wireless/realtek/rtlwifi/efuse.o
   CC      drivers/staging/uwb/umc-bus.o
   CC      drivers/staging/uwb/umc-dev.o
   CC      drivers/staging/uwb/umc-drv.o
   CC      drivers/staging/wusbcore/host/whci/debug.o
   CC      drivers/staging/wusbcore/crypto.o
   CC      drivers/gpu/drm/drm_agpsupport.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8192se/built-in.a
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_btc.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_bt_coexist.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.o
   CC      drivers/staging/rtl8712/recv_linux.o
   CC      drivers/staging/wusbcore/devconnect.o
   CC      drivers/staging/wusbcore/dev-sysfs.o
   CC      drivers/staging/uwb/whci.o
   CC      drivers/staging/wusbcore/mmc.o
   CC      drivers/staging/wusbcore/pal.o
   CC      drivers/staging/wusbcore/host/whci/hcd.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/led.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/pwrseq.o
   CC      drivers/staging/rtl8712/xmit_linux.o
   CC      drivers/staging/rtl8712/usb_intf.o
   CC      drivers/gpu/drm/drm_debugfs.o
   CC      drivers/usb/storage/jumpshot.o
   CC      drivers/staging/uwb/whc-rc.o
   CC      drivers/gpu/drm/drm_debugfs_crc.o
   CC      drivers/usb/storage/karma.o
   CC      drivers/usb/serial/ipw.o
   CC      drivers/usb/storage/onetouch.o
   CC      drivers/usb/serial/ir-usb.o
   CC      drivers/gpu/drm/drm_mipi_dsi.o
   CC      drivers/net/wireless/realtek/rtlwifi/ps.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8192de/built-in.a
   CC      drivers/staging/wusbcore/host/hwa-hc.o
   CC      drivers/staging/uwb/hwa-rc.o
   CC      drivers/staging/wusbcore/rh.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8723com/built-in.a
   CC      drivers/staging/wusbcore/reservation.o
   CC      drivers/staging/rtl8712/os_intfs.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.o
   CC      drivers/staging/wusbcore/host/whci/hw.o
   CC      drivers/usb/storage/realtek_cr.o
   CC      drivers/staging/wusbcore/host/whci/init.o
   CC      drivers/staging/wusbcore/host/whci/int.o
   CC      drivers/staging/rtl8712/rtl871x_pwrctrl.o
   CC      drivers/usb/storage/sddr09.o
   CC      drivers/usb/serial/iuu_phoenix.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.o
   CC      drivers/staging/rtl8712/rtl8712_recv.o
   CC      drivers/usb/storage/sddr55.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/rf.o
   CC      drivers/gpu/drm/drm_panel_orientation_quirks.o
   CC      drivers/usb/storage/shuttle_usbat.o
   CC      drivers/staging/wusbcore/security.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/pwrseq.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/rf.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.o
   CC      drivers/staging/wusbcore/wusbhc.o
   CC      drivers/staging/rtl8712/rtl871x_recv.o
   CC      drivers/staging/rtl8712/rtl871x_sta_mgt.o
   CC      drivers/staging/rtl8712/rtl871x_xmit.o
   CC      drivers/staging/rtl8712/rtl8712_xmit.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/table.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.o
   CC      drivers/usb/serial/keyspan.o
   CC      drivers/usb/serial/keyspan_pda.o
   AR      drivers/staging/uwb/built-in.a
   AR      drivers/gpu/drm/built-in.a
   CC      drivers/staging/wusbcore/wa-hc.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/pwrseq.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/rf.o
   CC      drivers/staging/wusbcore/host/whci/qset.o
   CC      drivers/staging/wusbcore/host/whci/pzl.o
   AR      drivers/gpu/built-in.a
   CC      drivers/staging/wusbcore/host/whci/wusb.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/trx.o
   CC      drivers/net/wireless/realtek/rtlwifi/rc.o
   CC      drivers/net/wireless/realtek/rtlwifi/regd.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/table.o
   CC      drivers/net/wireless/realtek/rtlwifi/stats.o
   CC      drivers/net/wireless/realtek/rtlwifi/pci.o
   CC      drivers/staging/wusbcore/wa-rpipe.o
   CC      drivers/staging/wusbcore/wa-nep.o
   AR      drivers/usb/storage/built-in.a
   CC      drivers/net/wireless/realtek/rtlwifi/usb.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/table.o
   CC      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.o
   CC      drivers/staging/wusbcore/wa-xfer.o
   CC      drivers/staging/wusbcore/cbaf.o
   CC      drivers/usb/serial/kobil_sct.o
   CC      drivers/usb/serial/kl5kusb105.o
   CC      drivers/usb/serial/metro-usb.o
   CC      drivers/usb/serial/mct_u232.o
   CC      drivers/usb/serial/mos7720.o
   CC      drivers/usb/serial/mos7840.o
   CC      drivers/usb/serial/mxuport.o
   CC      drivers/usb/serial/navman.o
   CC      drivers/usb/serial/omninet.o
   CC      drivers/usb/serial/opticon.o
   CC      drivers/usb/serial/option.o
   CC      drivers/usb/serial/oti6858.o
   CC      drivers/usb/serial/pl2303.o
   CC      drivers/usb/serial/qcaux.o
   CC      drivers/usb/serial/qcserial.o
   CC      drivers/usb/serial/quatech2.o
   CC      drivers/usb/serial/safe_serial.o
   AR      drivers/staging/rtl8712/built-in.a
   CC      drivers/usb/serial/sierra.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8723be/built-in.a
   CC      drivers/usb/serial/usb-serial-simple.o
   CC      drivers/usb/serial/spcp8x5.o
   AR      drivers/staging/wusbcore/host/whci/built-in.a
   AR      drivers/staging/wusbcore/host/built-in.a
   CC      drivers/usb/serial/ssu100.o
   CC      drivers/usb/serial/symbolserial.o
   CC      drivers/usb/serial/usb_wwan.o
   CC      drivers/usb/serial/ti_usb_3410_5052.o
   CC      drivers/usb/serial/upd78f0730.o
   CC      drivers/usb/serial/visor.o
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8723ae/built-in.a
   CC      drivers/usb/serial/wishbone-serial.o
   CC      drivers/usb/serial/xsens_mt.o
   CC      drivers/usb/serial/whiteheat.o
   AR      drivers/staging/wusbcore/built-in.a
   AR      drivers/staging/built-in.a
   AR      drivers/usb/serial/built-in.a
   AR      drivers/usb/built-in.a
   AR      drivers/net/wireless/realtek/rtlwifi/rtl8821ae/built-in.a
   AR      drivers/net/wireless/realtek/rtlwifi/built-in.a
   AR      drivers/net/wireless/realtek/built-in.a
   AR      drivers/net/wireless/built-in.a
   AR      drivers/net/built-in.a
Makefile:1083: recipe for target 'drivers' failed
make: *** [drivers] Error 2


Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=176045b5600000


Tested on:

commit:         f0df5c1b usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git
dashboard link: https://syzkaller.appspot.com/bug?extid=7fa38a608b1075dfd634
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12f8611d600000


  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-16 13:29 syzbot
2019-09-16 20:51 ` Alan Stern
2019-09-16 21:03   ` syzbot
2019-09-17 15:16     ` Alan Stern
2019-09-17 15:28       ` syzbot
2019-09-17 15:53         ` Alan Stern
2019-09-17 16:06           ` syzbot
2019-09-17 17:36             ` Alan Stern
2019-09-17 18:08               ` Alan Stern
2019-09-17 18:15                 ` syzbot [this message]
2019-09-17 18:31                   ` Alan Stern
2019-09-17 18:43                     ` syzbot
2019-09-18 18:57                       ` Alan Stern
2019-09-19 15:19                         ` Andrey Konovalov
2019-12-13 12:15 ` Andrey Konovalov
2019-12-13 12:16   ` syzbot
2019-12-13 12:19     ` Andrey Konovalov
2019-12-13 19:51       ` Alan Stern
2019-12-10 20:17 Re: KASAN: use-after-free Read in usbvision_v4l2_open Alan Stern
2019-12-12 16:52 ` general protection fault in usb_set_interface Alan Stern

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