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import: check overflow

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Fixes CID#1548022 and CID#1548075.
This commit is contained in:
Yu Watanabe
2024-08-01 12:03:54 +09:00
parent fea2f92d8d
commit f7012a93a7
2 changed files with 10 additions and 0 deletions
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5
src/import/import-raw.c
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@@ -409,6 +409,11 @@ static int raw_import_process(RawImport *i) {
goto finish;
}
if ((size_t) l > sizeof(i->buffer) - i->buffer_size) {
r = log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Read input file exceeded maximum size.");
goto finish;
}
i->buffer_size += l;
if (i->compress.type == IMPORT_COMPRESS_UNKNOWN) {

5
src/import/import-tar.c
View File

@@ -276,6 +276,11 @@ static int tar_import_process(TarImport *i) {
goto finish;
}
if ((size_t) l > sizeof(i->buffer) - i->buffer_size) {
r = log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Read input file exceeded maximum size.");
goto finish;
}
i->buffer_size += l;
if (i->compress.type == IMPORT_COMPRESS_UNKNOWN) {