systemd/SOURCES/0652-test-add-reproducer-for-SIGBUS-issue-caused-by-journ.patch

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2024-04-30 11:42:21 +00:00
From 9676d3b454a83c1b38a1c26524214c3251c8be94 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 5 Oct 2023 18:02:24 +0900
Subject: [PATCH] test: add reproducer for SIGBUS issue caused by journal
truncation
The added code fails without the previous commit.
For issue #24320.
(cherry picked from commit 3b0ae13bbf231ea01ff954de0c0c5375cbd85ff3)
Related: RHEL-11591
---
src/journal/test-journal-flush.c | 38 +++++++++++++++++++++++++++++++-
1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/src/journal/test-journal-flush.c b/src/journal/test-journal-flush.c
index 015604780f..2a5f7fad5e 100644
--- a/src/journal/test-journal-flush.c
+++ b/src/journal/test-journal-flush.c
@@ -8,9 +8,11 @@
#include "alloc-util.h"
#include "chattr-util.h"
#include "journal-internal.h"
+#include "logs-show.h"
#include "macro.h"
#include "managed-journal-file.h"
#include "path-util.h"
+#include "rm-rf.h"
#include "string-util.h"
#include "tests.h"
@@ -67,8 +69,42 @@ static void test_journal_flush_one(int argc, char *argv[]) {
break;
}
+ if (n == 0)
+ return (void) log_tests_skipped("No journal entry found");
+
+ /* Open the new journal before archiving and offlining the file. */
+ sd_journal_close(j);
+ assert_se(sd_journal_open_directory(&j, dn, 0) >= 0);
+
+ /* Read the online journal. */
+ assert_se(sd_journal_seek_tail(j) >= 0);
+ assert_se(sd_journal_step_one(j, 0) > 0);
+ printf("current_journal: %s (%i)\n", j->current_file->path, j->current_file->fd);
+ assert_se(show_journal_entry(stdout, j, OUTPUT_EXPORT, 0, 0, NULL, NULL, NULL, &(dual_timestamp) {}, &(sd_id128_t) {}) >= 0);
+
+ uint64_t p;
+ assert_se(journal_file_tail_end_by_mmap(j->current_file, &p) >= 0);
+ for (uint64_t q = ALIGN64(p + 1); q < (uint64_t) j->current_file->last_stat.st_size; q = ALIGN64(q + 1)) {
+ Object *o;
+
+ r = journal_file_move_to_object(j->current_file, OBJECT_UNUSED, q, &o);
+ assert_se(IN_SET(r, -EBADMSG, -EADDRNOTAVAIL));
+ }
+
+ /* Archive and offline file. */
+ assert_se(journal_file_archive(new_journal->file, NULL) >= 0);
+ assert_se(managed_journal_file_set_offline(new_journal, /* wait = */ true) >= 0);
+
+ /* Read the archived and offline journal. */
+ for (uint64_t q = ALIGN64(p + 1); q < (uint64_t) j->current_file->last_stat.st_size; q = ALIGN64(q + 1)) {
+ Object *o;
+
+ r = journal_file_move_to_object(j->current_file, OBJECT_UNUSED, q, &o);
+ assert_se(IN_SET(r, -EBADMSG, -EADDRNOTAVAIL, -EIDRM));
+ }
+
unlink(fn);
- assert_se(rmdir(dn) == 0);
+ assert_se(rm_rf(dn, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
}
TEST(journal_flush) {