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journal-authenticate: save mmaped size rather than file size field in the file

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This commit is contained in:
Yu Watanabe
2026-06-28 00:00:11 +09:00
parent 917763586f
commit 14236c019b
1 changed files with 5 additions and 7 deletions
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src/libsystemd/sd-journal/journal-authenticate.c
+5 -7
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@@ -25,7 +25,7 @@ struct JournalAuthContext {
bool hmac_running;
FSSHeader *fss_file;
size_t fss_file_size;
size_t fss_mmap_size;
uint64_t fss_start_usec;
uint64_t fss_interval_usec;
@@ -38,11 +38,9 @@ JournalAuthContext* journal_auth_free(JournalAuthContext *c) {
if (!c)
return NULL;
if (c->fss_file) {
size_t sz = PAGE_ALIGN(c->fss_file_size);
assert(sz < SIZE_MAX);
munmap(c->fss_file, sz);
} else
if (c->fss_file)
munmap(c->fss_file, c->fss_mmap_size);
else
iovec_done_erase(&c->fsprg_state);
iovec_done_erase(&c->fsprg_seed);
@@ -145,7 +143,7 @@ int journal_auth_load(JournalAuthContext **ret) {
return -errno;
*c = (JournalAuthContext) {
.fss_file_size = fss_file_size,
.fss_mmap_size = sz,
.fss_file = p,
.fss_start_usec = le64toh(p->start_usec),