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blockdev-list: add overflow check assert

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Fixes coverity warning

CID#1630794
This commit is contained in:
Luca Boccassi
2025-10-17 10:19:49 +01:00
parent d275410086
commit 8240a0942b
1 changed files with 2 additions and 1 deletions
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3
src/shared/blockdev-list.c
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@@ -111,7 +111,8 @@ int blockdev_list(BlockDevListFlags flags, BlockDevice **ret_devices, size_t *re
if (r < 0)
log_debug_errno(r, "Failed to acquire size of device '%s', ignoring: %m", node);
else
size *= 512; /* the 'size' sysattr is always in multiples of 512, even on 4K sector block devices! */
/* the 'size' sysattr is always in multiples of 512, even on 4K sector block devices! */
assert_se(MUL_ASSIGN_SAFE(&size, 512)); /* Overflow check for coverity */
if (size == 0 && FLAGS_SET(flags, BLOCKDEV_LIST_IGNORE_EMPTY)) {
log_debug("Device '%s' has a zero size, assuming drive without a medium, skipping.", node);