[syzbot] Monthly usb report (May 2026)

[syzbot] Monthly usb report (May 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, 3 new issues were detected and 2 were fixed.
In total, 84 issues are still open and 421 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  12784   Yes   INFO: task hung in lbs_remove_card
                   https://syzkaller.appspot.com/bug?extid=c99d17aa44dbdba16ad2
<2>  3327    Yes   possible deadlock in input_inject_event
                   https://syzkaller.appspot.com/bug?extid=79c403850e6816dc39cf
<3>  2947    Yes   INFO: task hung in usbdev_open (2)
                   https://syzkaller.appspot.com/bug?extid=b73659f5bb96fac34820
<4>  1845    Yes   WARNING in igorplugusb_probe/usb_submit_urb
                   https://syzkaller.appspot.com/bug?extid=5d7eece664082e0c5c1a
<5>  1766    No    KASAN: vmalloc-out-of-bounds Read in kcov_remote_start
                   https://syzkaller.appspot.com/bug?extid=8a173e13208949931dc7
<6>  1437    Yes   KASAN: use-after-free Read in em28xx_init_extension (2)
                   https://syzkaller.appspot.com/bug?extid=99d6c66dbbc484f50e1c
<7>  1071    Yes   WARNING in as102_dvb_dmx_start_feed
                   https://syzkaller.appspot.com/bug?extid=3825a6102073c418fe41
<8>  1010    Yes   KMSAN: kernel-infoleak in i2cdev_ioctl_smbus
                   https://syzkaller.appspot.com/bug?extid=08b819a87faa6def6dfb
<9>  1005    Yes   INFO: task hung in hub_port_init (3)
                   https://syzkaller.appspot.com/bug?extid=b6f11035e572f08bc20f
<10> 858     No    INFO: task hung in hub_event (3)
                   https://syzkaller.appspot.com/bug?extid=a7edecbf389d11a369d4

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