[Drbd-dev] [BUG] drbd/block: A sleep-in-atomic bug in notify_helper
baijiaju1990 at 163.com
Wed Oct 4 03:39:24 CEST 2017
The driver may sleep under a RCU lock, and the function call path is:
drbd_sync_handshake (acquire the RCU lock)
mutex_lock --> may sleep
I hope to fix it, but I do not find a proper way at present ...
This bug is found by my static analysis tool and my code review.
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