[syzbot] Monthly mmc report (Sep 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, 4 new issues were detected and 0 were fixed.
In total, 4 issues are still open.
There is also 1 low-priority issue.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 2725    Yes   BUG: sleeping function called from invalid context in mmc_free_host
                  https://syzkaller.appspot.com/bug?extid=0e06aa1bdc6495bac24b
<2> 113     No    WARNING: suspicious RCU usage in cancel_delayed_work_sync
                  https://syzkaller.appspot.com/bug?extid=9c1988bc953fca2086a3
<3> 12      No    WARNING in mmc_free_host
                  https://syzkaller.appspot.com/bug?extid=82a0a7de6d84867d030e

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