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bus: fix memfd-cache regarding memfd offsets
[elogind.git]
/
src
/
libsystemd
/
sd-bus
/
bus-message.c
diff --git
a/src/libsystemd/sd-bus/bus-message.c
b/src/libsystemd/sd-bus/bus-message.c
index 06d8d770fdba6e0f8d4b86064c6408b8cd495b92..0803999e070fc81e24dcd072b6ec53e7a674e4f9 100644
(file)
--- a/
src/libsystemd/sd-bus/bus-message.c
+++ b/
src/libsystemd/sd-bus/bus-message.c
@@
-65,9
+65,11
@@
static void message_free_part(sd_bus_message *m, struct bus_body_part *part) {
/* If we can reuse the memfd, try that. For that it
* can't be sealed yet. */
/* If we can reuse the memfd, try that. For that it
* can't be sealed yet. */
- if (!part->sealed)
+ if (!part->sealed) {
+ assert(part->memfd_offset == 0);
+ assert(part->data == part->mmap_begin);
bus_kernel_push_memfd(m->bus, part->memfd, part->data, part->mapped, part->allocated);
bus_kernel_push_memfd(m->bus, part->memfd, part->data, part->mapped, part->allocated);
- else {
+
}
else {
if (part->mapped > 0)
assert_se(munmap(part->mmap_begin, part->mapped) == 0);
if (part->mapped > 0)
assert_se(munmap(part->mmap_begin, part->mapped) == 0);
@@
-1103,8
+1105,10
@@
static int part_make_space(
if (m->poisoned)
return -ENOMEM;
if (m->poisoned)
return -ENOMEM;
- if (!part->data && part->memfd < 0)
+ if (!part->data && part->memfd < 0)
{
part->memfd = bus_kernel_pop_memfd(m->bus, &part->data, &part->mapped, &part->allocated);
part->memfd = bus_kernel_pop_memfd(m->bus, &part->data, &part->mapped, &part->allocated);
+ part->mmap_begin = part->data;
+ }
if (part->memfd >= 0) {
if (part->memfd >= 0) {