[syzbot] Monthly usb report (Nov 2023)

From: syzbot
Date: Fri Nov 03 2023 - 16:48:28 EST


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, 2 new issues were detected and 3 were fixed.
In total, 65 issues are still open and 331 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 2721 Yes KMSAN: uninit-value in dib3000mb_attach (2)
https://syzkaller.appspot.com/bug?extid=c88fc0ebe0d5935c70da
<2> 2144 Yes KASAN: slab-use-after-free Read in pvr2_context_set_notify
https://syzkaller.appspot.com/bug?extid=621409285c4156a009b3
<3> 944 Yes WARNING in implement
https://syzkaller.appspot.com/bug?extid=38e7237add3712479d65
<4> 819 Yes general protection fault in ir_raw_event_store_with_filter
https://syzkaller.appspot.com/bug?extid=34008406ee9a31b13c73
<5> 368 Yes INFO: task hung in r871xu_dev_remove
https://syzkaller.appspot.com/bug?extid=f39c1dad0b7db49ca4a8
<6> 364 Yes INFO: task hung in usbdev_open (2)
https://syzkaller.appspot.com/bug?extid=b73659f5bb96fac34820
<7> 304 Yes KASAN: use-after-free Read in v4l2_fh_init
https://syzkaller.appspot.com/bug?extid=c025d34b8eaa54c571b8
<8> 239 Yes INFO: task hung in netdev_run_todo (2)
https://syzkaller.appspot.com/bug?extid=9d77543f47951a63d5c1
<9> 222 No INFO: task hung in hub_event (3)
https://syzkaller.appspot.com/bug?extid=a7edecbf389d11a369d4
<10> 138 Yes INFO: rcu detected stall in hub_event
https://syzkaller.appspot.com/bug?extid=ec5f884c4a135aa0dbb9

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