[syzbot] Monthly usb report (Sep 2026)

[syzbot] Monthly usb report (Sep 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, 39 new issues were detected and 5 were fixed.
In total, 123 issues are still open and 446 have already been fixed.
There are also 51 low-priority issues.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  7512    Yes   WARNING in usb_free_urb
                   https://syzkaller.appspot.com/bug?extid=b466336413a1fba398a5
<2>  3461    Yes   INFO: trying to register non-static key in __vb2_queue_cancel
                   https://syzkaller.appspot.com/bug?extid=2302c5dc59995fbb8089
<3>  2802    Yes   WARNING in usb_stor_msg_common/usb_submit_urb
                   https://syzkaller.appspot.com/bug?extid=73c662df6e55838c6ac6
<4>  2713    Yes   KASAN: slab-use-after-free Read in v4l2_open
                   https://syzkaller.appspot.com/bug?extid=1a7507a194fff09e5c44
<5>  1833    Yes   WARNING in enable_work
                   https://syzkaller.appspot.com/bug?extid=7053fbd8757fecbbe492
<6>  1157    Yes   WARNING in as102_dvb_dmx_start_feed
                   https://syzkaller.appspot.com/bug?extid=3825a6102073c418fe41
<7>  999     Yes   INFO: task hung in hub_event (3)
                   https://syzkaller.appspot.com/bug?extid=a7edecbf389d11a369d4
<8>  722     Yes   general protection fault in f_midi2_free_ep_reqs
                   https://syzkaller.appspot.com/bug?extid=01a17afb30637396955e
<9>  674     Yes   WARNING in usb_ep_enable
                   https://syzkaller.appspot.com/bug?extid=7b70c4a6021fd49c4151
<10> 494     No    KASAN: global-out-of-bounds Read in usb_copy_descriptors
                   https://syzkaller.appspot.com/bug?extid=debc5c305403f180c01c

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