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-rw-r--r--src/journal/journal-file.c36
1 files changed, 28 insertions, 8 deletions
diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
index ac6c30f9f2..ff01e5aa94 100644
--- a/src/journal/journal-file.c
+++ b/src/journal/journal-file.c
@@ -707,7 +707,11 @@ int journal_file_move_to_object(JournalFile *f, ObjectType type, uint64_t offset
/* Objects may only be located at multiple of 64 bit */
if (!VALID64(offset))
- return -EFAULT;
+ return -EBADMSG;
+
+ /* Object may not be located in the file header */
+ if (offset < le64toh(f->header->header_size))
+ return -EBADMSG;
r = journal_file_move_to(f, type, false, offset, sizeof(ObjectHeader), &t);
if (r < 0)
@@ -1980,9 +1984,14 @@ static int generic_array_bisect(
i = right - 1;
lp = p = le64toh(array->entry_array.items[i]);
if (p <= 0)
- return -EBADMSG;
-
- r = test_object(f, p, needle);
+ r = -EBADMSG;
+ else
+ r = test_object(f, p, needle);
+ if (r == -EBADMSG) {
+ log_debug_errno(r, "Encountered invalid entry while bisecting, cutting algorithm short. (1)");
+ n = i;
+ continue;
+ }
if (r < 0)
return r;
@@ -2058,9 +2067,14 @@ static int generic_array_bisect(
p = le64toh(array->entry_array.items[i]);
if (p <= 0)
- return -EBADMSG;
-
- r = test_object(f, p, needle);
+ r = -EBADMSG;
+ else
+ r = test_object(f, p, needle);
+ if (r == -EBADMSG) {
+ log_debug_errno(r, "Encountered invalid entry while bisecting, cutting algorithm short. (2)");
+ right = n = i;
+ continue;
+ }
if (r < 0)
return r;
@@ -2465,12 +2479,18 @@ int journal_file_next_entry(
le64toh(f->header->entry_array_offset),
i,
ret, &ofs);
+ if (r == -EBADMSG && direction == DIRECTION_DOWN) {
+ /* Special case: when we iterate throught the journal file linearly, and hit an entry we can't read,
+ * consider this the end of the journal file. */
+ log_debug_errno(r, "Encountered entry we can't read while iterating through journal file. Considering this the end of the file.");
+ return 0;
+ }
if (r <= 0)
return r;
if (p > 0 &&
(direction == DIRECTION_DOWN ? ofs <= p : ofs >= p)) {
- log_debug("%s: entry array corrupted at entry %"PRIu64, f->path, i);
+ log_debug("%s: entry array corrupted at entry %" PRIu64, f->path, i);
return -EBADMSG;
}