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-rw-r--r--src/libsystemd/sd-bus/bus-message.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 3e60842172..c058b06f41 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -2840,7 +2840,7 @@ int bus_body_part_map(struct bus_body_part *part) {
psz = PAGE_ALIGN(part->size);
if (part->memfd >= 0)
- p = mmap(NULL, psz, PROT_READ, MAP_SHARED, part->memfd, 0);
+ p = mmap(NULL, psz, PROT_READ, MAP_PRIVATE, part->memfd, 0);
else if (part->is_zero)
p = mmap(NULL, psz, PROT_READ, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
else