diff options
| author | Christopher Haster <chaster@utexas.edu> | 2019-07-16 23:23:42 +0300 |
|---|---|---|
| committer | Christopher Haster <chaster@utexas.edu> | 2019-07-29 05:26:24 +0300 |
| commit | 4ec442527247b5b534e302e3936491ad18337dbb (patch) | |
| tree | 322ab68fb0b172d98deb284d047288a870b202d1 /emubd/lfs_emubd.c | |
| parent | 31e28fddb7557124ae47a7a70ae8312ff9981372 (diff) | |
Fixed overlapping memcpy in emubd
Found by DanielLyubin
Diffstat (limited to 'emubd/lfs_emubd.c')
| -rw-r--r-- | emubd/lfs_emubd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/emubd/lfs_emubd.c b/emubd/lfs_emubd.c index 712fcba..8c2c30b 100644 --- a/emubd/lfs_emubd.c +++ b/emubd/lfs_emubd.c @@ -215,7 +215,7 @@ int lfs_emubd_prog(const struct lfs_config *cfg, lfs_block_t block, // update history and stats 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])); emu->history.blocks[0] = block; } |