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boot: fix MEMMAP_DEVICE_PATH EndingAddress field calculation

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Let's do what EDK2 does.

Fixes: #43038
This commit is contained in:
Lennart Poettering
2026-07-16 15:59:08 +02:00
committed by Yu Watanabe
parent 95648d612a
commit 8009fa4984
1 changed files with 5 additions and 1 deletions
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6
src/boot/linux.c
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@@ -217,7 +217,11 @@ EFI_STATUS linux_exec(
},
.MemoryType = EfiLoaderData,
.StartingAddress = POINTER_TO_PHYSICAL_ADDRESS(kernel->iov_base),
.EndingAddress = POINTER_TO_PHYSICAL_ADDRESS(kernel->iov_base) + kernel->iov_len,
/* NB: the UEFI spec doesn't clarify whether the EndingAddress field should point to
* the very last byte or the byte one after. EDK2 puts the very last byte in this
* field, hence let's do so here too. Note that iovec_is_set() check above ensured
* this cannot underflow. */
.EndingAddress = POINTER_TO_PHYSICAL_ADDRESS(kernel->iov_base) + kernel->iov_len - 1,
},
.end_path = DEVICE_PATH_END_NODE,
};