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core: limit the result from the helper to 32MiB

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This commit is contained in:
Beniamino Galvani 2025-12-19 17:24:20 +01:00
parent 99514da050
commit c4b39914c4
1 changed files with 8 additions and 0 deletions
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8
src/core/nm-core-utils.c
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@ -5459,6 +5459,14 @@ helper_have_data(int fd, GIOCondition condition, gpointer user_data)
n_read = nm_utils_fd_read(fd, &info->in_buffer);
_LOG2T(info, "read returns %ld", (long) n_read);
if (info->in_buffer.len > 32 * 1024 * 1024) {
helper_complete(info,
g_error_new_literal(NM_UTILS_ERROR,
NM_UTILS_ERROR_UNKNOWN,
"the output is larger than 32MiB"));
return G_SOURCE_CONTINUE;
}
if (n_read > 0)
return G_SOURCE_CONTINUE;