diff options
| author | Wang Hai <[email protected]> | 2020-06-12 17:08:33 +0800 |
|---|---|---|
| committer | Dominique Martinet <[email protected]> | 2020-07-19 14:58:47 +0200 |
| commit | 74d6a5d5662975aed7f25952f62efbb6f6dadd29 (patch) | |
| tree | c31cb1d3bcd23daf8d7e73df4616025b6be93ace /lib/test_overflow.c | |
| parent | a39c46067c845a8a2d7144836e9468b7f072343e (diff) | |
9p/trans_fd: Fix concurrency del of req_list in p9_fd_cancelled/p9_read_work
p9_read_work and p9_fd_cancelled may be called concurrently.
In some cases, req->req_list may be deleted by both p9_read_work
and p9_fd_cancelled.
We can fix it by ignoring replies associated with a cancelled
request and ignoring cancelled request if message has been received
before lock.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 60ff779c4abb ("9p: client: remove unused code and any reference to "cancelled" function")
Cc: <[email protected]> # v3.12+
Reported-by: [email protected]
Signed-off-by: Wang Hai <[email protected]>
Signed-off-by: Dominique Martinet <[email protected]>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions