diff options
author | Ming Lei <ming.lei@redhat.com> | 2025-02-17 06:16:26 +0300 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2025-02-17 19:04:07 +0300 |
commit | dd8b0582e25e36bba483c60338741c0ba5bc426c (patch) | |
tree | 563164a63e154846fc617dab5d3d3d87df394127 /scripts/extract-fwblobs | |
parent | 43c70b104093c324b1a000762ce943d16ce788f9 (diff) | |
download | linux-dd8b0582e25e36bba483c60338741c0ba5bc426c.tar.xz |
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/extract-fwblobs')
0 files changed, 0 insertions, 0 deletions