[syzbot] Monthly mmc report (Nov 2026)

[syzbot]

Hello mmc maintainers/developers,

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

During the period, 1 new issues were detected and 0 were fixed.
In total, 16 issues are still open and 1 has already been fixed.
There is also 1 low-priority issue.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  1156    No    INFO: task hung in mmc_stop_host
                   https://syzkaller.appspot.com/bug?extid=d0688023306aea3aefdc
<2>  675     Yes   KASAN: slab-use-after-free Read in rtsx_usb_ms_handle_req
                   https://syzkaller.appspot.com/bug?extid=3ee5da0319ca17ef1f4e
<3>  515     No    INFO: task hung in sdio_reset
                   https://syzkaller.appspot.com/bug?extid=e8678cd3d8b65d1f2c74
<4>  496     No    WARNING: suspicious RCU usage in cancel_delayed_work_sync
                   https://syzkaller.appspot.com/bug?extid=9c1988bc953fca2086a3
<5>  252     No    INFO: task hung in mmc_go_idle
                   https://syzkaller.appspot.com/bug?extid=bb55e8118af00556efa2
<6>  110     Yes   WARNING: ODEBUG bug in vub300_disconnect
                   https://syzkaller.appspot.com/bug?extid=f4a0159ce6802a0a4774
<7>  109     No    INFO: task hung in mmc_send_if_cond_pcie
                   https://syzkaller.appspot.com/bug?extid=30341f17551668478919
<8>  99      No    INFO: task hung in mmc_send_io_op_cond
                   https://syzkaller.appspot.com/bug?extid=15adedb55f72fa957b00
<9>  96      No    INFO: task hung in mmc_io_rw_direct_host
                   https://syzkaller.appspot.com/bug?extid=fd993974345f022e97f2
<10> 50      No    INFO: task hung in mmc_app_cmd
                   https://syzkaller.appspot.com/bug?extid=c6d8091b47243f2023b8

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