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| author | David Sterba <dsterba@suse.com> | 2016-10-03 15:49:45 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-10-05 12:39:01 +0200 |
| commit | 61d5425fd3a089c6ffbad62b145f1a06c21ff860 (patch) | |
| tree | 1b975c78dd59fcff9d366229b9cb881b1ca54a46 /chunk-recover.c | |
| parent | 9adce1abe405eed3f56b753ceb9a6ad6fb5f7ce0 (diff) | |
btrfs-progs: chunk-recover: handle duplicate cache entries
Triggered by fuzzed image bko-155621-bad-block-group-offset.raw .
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'chunk-recover.c')
| -rw-r--r-- | chunk-recover.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/chunk-recover.c b/chunk-recover.c index d1e6c386..5bde5b13 100644 --- a/chunk-recover.c +++ b/chunk-recover.c @@ -2250,6 +2250,13 @@ static int btrfs_recover_chunks(struct recover_control *rc) chunk->sub_stripes = calc_sub_nstripes(bg->flags); ret = insert_cache_extent(&rc->chunk, &chunk->cache); + if (ret == -EEXIST) { + error("duplicate entry in cache start %llu size %llu", + (unsigned long long)chunk->cache.start, + (unsigned long long)chunk->cache.size); + free(chunk); + return ret; + } BUG_ON(ret); list_del_init(&bg->list); |