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authorPavel Begunkov <asml.silence@gmail.com>2020-11-29 18:33:32 +0000
committerJens Axboe <axboe@kernel.dk>2020-11-30 11:12:03 -0700
commit2d280bc8930ba9ed1705cfd548c6c8924949eaf1 (patch)
treeca26780dd333d3d3cd1193f38af32ed0a9ac0101 /Makefile
parentaf60470347de6ac2b9f0cc3703975a543a3de075 (diff)
downloadlinux-2d280bc8930ba9ed1705cfd548c6c8924949eaf1.tar.bz2
io_uring: fix recvmsg setup with compat buf-select
__io_compat_recvmsg_copy_hdr() with REQ_F_BUFFER_SELECT reads out iov len but never assigns it to iov/fast_iov, leaving sr->len with garbage. Hopefully, following io_buffer_select() truncates it to the selected buffer size, but the value is still may be under what was specified. Cc: <stable@vger.kernel.org> # 5.7 Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Makefile')
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