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| author | Ming Lei <ming.lei@redhat.com> | 2025-02-17 11:16:26 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-02-17 09:04:07 -0700 |
| commit | dd8b0582e25e36bba483c60338741c0ba5bc426c (patch) | |
| tree | 563164a63e154846fc617dab5d3d3d87df394127 /scripts/generate_rust_analyzer.py | |
| parent | 43c70b104093c324b1a000762ce943d16ce788f9 (diff) | |
| download | linux-dd8b0582e25e36bba483c60338741c0ba5bc426c.tar.gz linux-dd8b0582e25e36bba483c60338741c0ba5bc426c.tar.bz2 linux-dd8b0582e25e36bba483c60338741c0ba5bc426c.zip | |
block: fix NULL pointer dereferenced within __blk_rq_map_sg
The block layer internal flush request may not have bio attached, so the
request iterator has to be initialized from valid req->bio, otherwise NULL
pointer dereferenced is triggered.
Cc: Christoph Hellwig <hch@lst.de>
Reported-and-tested-by: Cheyenne Wills <cheyenne.wills@gmail.com>
Fixes: b7175e24d6ac ("block: add a dma mapping iterator")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250217031626.461977-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'scripts/generate_rust_analyzer.py')
0 files changed, 0 insertions, 0 deletions