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Pull request 

An integer overflow fix for the last zone on a zoned block device whose
 capacity is not a multiple of the zone size.
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

An integer overflow fix for the last zone on a zoned block device whose
capacity is not a multiple of the zone size.

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# gpg: Signature made Tue 17 Sep 2024 12:43:07 BST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  hw/block: fix uint32 overflow

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2024-09-17 14:02:18 +01:00
parent 9b47188186 89cd6254b8
commit 2b81c04625
1 changed files with 1 additions and 1 deletions
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2
hw/block/virtio-blk.c
View File

@ -700,7 +700,7 @@ static int virtio_blk_handle_zone_mgmt(VirtIOBlockReq *req, BlockZoneOp op)
} else {
if (bs->bl.zone_size > capacity - offset) {
/* The zoned device allows the last smaller zone. */
len = capacity - bs->bl.zone_size * (bs->bl.nr_zones - 1);
len = capacity - bs->bl.zone_size * (bs->bl.nr_zones - 1ull);
} else {
len = bs->bl.zone_size;
}