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sd-journal: re-read entry array object

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`test_object()` may call `journal_file_move_to_object()` and thus
the `array` object may be invalidated.
This commit is contained in:
Yu Watanabe 2023-05-07 00:16:30 +09:00
parent 03fdf95714
commit e562f13158
1 changed files with 9 additions and 1 deletions
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10
src/libsystemd/sd-journal/journal-file.c
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@ -2975,8 +2975,16 @@ found:
if (subtract_one && t == 0 && i == 0)
return 0;
r = journal_file_move_to_object(f, OBJECT_ENTRY_ARRAY, a, &array);
if (r < 0)
return r;
p = journal_file_entry_array_item(f, array, 0);
if (p <= 0)
return -EBADMSG;
/* Let's cache this item for the next invocation */
chain_cache_put(f->chain_cache, ci, first, a, journal_file_entry_array_item(f, array, 0), t, subtract_one ? (i > 0 ? i-1 : UINT64_MAX) : i);
chain_cache_put(f->chain_cache, ci, first, a, p, t, subtract_one ? (i > 0 ? i-1 : UINT64_MAX) : i);
if (subtract_one && i == 0)
p = last_p;