diff options
Diffstat (limited to 'src/shared/journal-file-util.c')
| -rw-r--r-- | src/shared/journal-file-util.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/shared/journal-file-util.c b/src/shared/journal-file-util.c index e444a2b..bdceac4 100644 --- a/src/shared/journal-file-util.c +++ b/src/shared/journal-file-util.c @@ -210,11 +210,16 @@ static void journal_file_set_offline_internal(JournalFile *f) { log_debug_errno(r, "Failed to re-enable copy-on-write for %s: %m, rewriting file", f->path); - r = copy_file_atomic_full(FORMAT_PROC_FD_PATH(f->fd), f->path, f->mode, - 0, - FS_NOCOW_FL, - COPY_REPLACE | COPY_FSYNC | COPY_HOLES | COPY_ALL_XATTRS, - NULL, NULL); + /* Here, setting COPY_VERIFY_LINKED flag is crucial. Otherwise, a broken + * journal file may be created, if journal_directory_vacuum() -> + * unlinkat_deallocate() is called in the main thread while this thread is + * copying the file. See issue #24150 and #31222. */ + r = copy_file_atomic_at_full( + f->fd, NULL, AT_FDCWD, f->path, f->mode, + 0, + FS_NOCOW_FL, + COPY_REPLACE | COPY_FSYNC | COPY_HOLES | COPY_ALL_XATTRS | COPY_VERIFY_LINKED, + NULL, NULL); if (r < 0) { log_debug_errno(r, "Failed to rewrite %s: %m", f->path); continue; |