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linux/io_uring/kbuf.c
Joanne Koong a4c694bfc2 io_uring/kbuf: use WRITE_ONCE() for userspace-shared buffer ring fields 
buf->addr and buf->len reside in memory shared with userspace. They
should be written with WRITE_ONCE() to guarantee atomic stores and
prevent tearing or other unsafe compiler optimizations.

Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Cc: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-12-05 09:52:02 -07:00

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