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| author | Wang Hai <[email protected]> | 2020-06-12 09:08:33 +0000 |
|---|---|---|
| committer | Dominique Martinet <[email protected]> | 2020-07-19 12:58:47 +0000 |
| commit | 74d6a5d5662975aed7f25952f62efbb6f6dadd29 (patch) | |
| tree | c31cb1d3bcd23daf8d7e73df4616025b6be93ace /drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | |
| parent | net/9p: validate fds in p9_fd_open (diff) | |
| download | kernel-74d6a5d5662975aed7f25952f62efbb6f6dadd29.tar.gz kernel-74d6a5d5662975aed7f25952f62efbb6f6dadd29.zip | |
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 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
0 files changed, 0 insertions, 0 deletions