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(parent: 6cc47d1) | patch
io_uring: fix potential crash issue due to io_get_req failure
authorJackie Liu <liuyun01@kylinos.cn>
Wed, 18 Sep 2019 09:25:52 +0000 (17:25 +0800)
committerJens Axboe <axboe@kernel.dk>
Wed, 18 Sep 2019 17:20:04 +0000 (11:20 -0600)
commita1041c27b64ce744632147e19701c95fed14fab1
treeec938706fa10ecd8efec74e15776257e0821b712tree | snapshot
parent6cc47d1d2a9b631f62405f56df651975c7587a97commit | diff
io_uring: fix potential crash issue due to io_get_req failure

Sometimes io_get_req will return a NUL, then we need to do the
correct error handling, otherwise it will cause the kernel null
pointer exception.

Fixes: 4fe2c963154c ("io_uring: add support for link with drain")
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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