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| author | Tejun Heo <tj@kernel.org> | 2017-03-06 15:33:42 -0500 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-03-06 15:33:42 -0500 |
| commit | 637fdbae60d6cb9f6e963c1079d7e0445c86ff7d (patch) | |
| tree | 3b785d958b7c02d45d3ce9e4076af530d0a34885 /kernel/sys.c | |
| parent | c1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff) | |
| download | linux-next-637fdbae60d6cb9f6e963c1079d7e0445c86ff7d.tar.gz | |
workqueue: trigger WARN if queue_delayed_work() is called with NULL @wq
If queue_delayed_work() gets called with NULL @wq, the kernel will
oops asynchronuosly on timer expiration which isn't too helpful in
tracking down the offender. This actually happened with smc.
__queue_delayed_work() already does several input sanity checks
synchronously. Add NULL @wq check.
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Link: http://lkml.kernel.org/r/20170227171439.jshx3qplflyrgcv7@codemonkey.org.uk
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/sys.c')
0 files changed, 0 insertions, 0 deletions