muscle: Check length first before calling memcmp()
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1594b1167d
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5645fe2d16
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@ -147,8 +147,8 @@ int mscfs_lookup_path(mscfs_t* fs, const u8 *path, int pathlen, msc_id* objectId
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return MSCFS_INVALID_ARGS;
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if(isDirectory) {
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/* Directory must be right next to root */
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if((0 == memcmp(path, "\x3F\x00", 2) && pathlen == 4)
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|| (0 == memcmp(fs->currentPath, "\x3F\x00", 2) && pathlen == 2)) {
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if ((pathlen == 4 && 0 == memcmp(path, "\x3F\x00", 2)) ||
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(pathlen == 2 && 0 == memcmp(fs->currentPath, "\x3F\x00", 2))) {
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oid[0] = path[pathlen - 2];
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oid[1] = path[pathlen - 1];
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oid[2] = oid[3] = 0;
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@ -169,7 +169,7 @@ int mscfs_lookup_path(mscfs_t* fs, const u8 *path, int pathlen, msc_id* objectId
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if(pathlen > 4)
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return MSCFS_INVALID_ARGS;
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/* Reset to root */
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if(0 == memcmp(path, "\x3F\x00", 2) && pathlen == 2) {
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if(pathlen == 2 && 0 == memcmp(path, "\x3F\x00", 2)) {
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oid[0] = oid[2] = path[0];
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oid[1] = oid[3] = path[1];
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} else if(pathlen == 2) { /* Path preserved for current-path */
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