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Fixed overlapping memcpy in emubd

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Found by DanielLyubin
This commit is contained in:
Christopher Haster
2019-07-16 15:23:42 -05:00
parent 31e28fddb7
commit 4ec4425272
1 changed files with 1 additions and 1 deletions
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2
emubd/lfs_emubd.c
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@@ -215,7 +215,7 @@ int lfs_emubd_prog(const struct lfs_config *cfg, lfs_block_t block,
// update history and stats // update history and stats
if (block != emu->history.blocks[0]) { if (block != emu->history.blocks[0]) {
memcpy(&emu->history.blocks[1], &emu->history.blocks[0], memmove(&emu->history.blocks[1], &emu->history.blocks[0],
sizeof(emu->history) - sizeof(emu->history.blocks[0])); sizeof(emu->history) - sizeof(emu->history.blocks[0]));
emu->history.blocks[0] = block; emu->history.blocks[0] = block;
} }