io_uring/io-wq: protect against sprintf overflow
task_pid may be large enough to not fit into the left space of TASK_COMM_LEN-sized buffers and overflow in sprintf. We not so care about uniqueness, so replace it with safer snprintf(). Reported-by:Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/1702c6145d7e1c46fbc382f28334c02e1a3d3994.1617267273.git.asml.silence@gmail.com Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
4b982bd0
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