[syzbot] Monthly usb report (Nov 2026)

[syzbot] Monthly usb report (Nov 2026)

[syzbot]

Hello usb maintainers/developers,

This is a 31-day syzbot report for the usb subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/usb

During the period, 8 new issues were detected and 3 were fixed.
In total, 112 issues are still open and 475 have already been fixed.
There are also 40 low-priority issues.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  7712    Yes   WARNING in usb_free_urb
                   https://syzkaller.appspot.com/bug?extid=b466336413a1fba398a5
<2>  3885    Yes   INFO: trying to register non-static key in __vb2_queue_cancel
                   https://syzkaller.appspot.com/bug?extid=2302c5dc59995fbb8089
<3>  3669    Yes   WARNING in usb_ep_enable
                   https://syzkaller.appspot.com/bug?extid=7b70c4a6021fd49c4151
<4>  2714    Yes   KASAN: slab-use-after-free Read in v4l2_open
                   https://syzkaller.appspot.com/bug?extid=1a7507a194fff09e5c44
<5>  2599    Yes   WARNING in as102_dvb_dmx_start_feed
                   https://syzkaller.appspot.com/bug?extid=3825a6102073c418fe41
<6>  1098    Yes   INFO: task hung in hub_event (3)
                   https://syzkaller.appspot.com/bug?extid=a7edecbf389d11a369d4
<7>  639     Yes   KASAN: global-out-of-bounds Read in usb_copy_descriptors
                   https://syzkaller.appspot.com/bug?extid=debc5c305403f180c01c
<8>  478     Yes   WARNING in ttusb_dec_send_command
                   https://syzkaller.appspot.com/bug?extid=ac9880be0b0b1a5f54d6
<9>  452     Yes   INFO: task hung in get_bMaxPacketSize0
                   https://syzkaller.appspot.com/bug?extid=f7ac46d91cf13b4591a4
<10> 349     Yes   possible deadlock in mdc800_device_open
                   https://syzkaller.appspot.com/bug?extid=023b30ebfe0dc4bcfafe

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