diff options
| author | Alberto Garcia <berto@igalia.com> | 2016-03-10 13:55:24 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2016-03-14 17:35:06 +0100 |
| commit | b9c600d20716b3d942cb07188ff998fb236a8365 (patch) | |
| tree | cdf94501b33b3d0f85d6135c447260f7bd9c5882 /block/quorum.c | |
| parent | e3f66e03680ec2a1f43393d551bc83c5d469f84b (diff) | |
| download | qemu-b9c600d20716b3d942cb07188ff998fb236a8365.zip | |
quorum: Fix crash in quorum_aio_cb()
quorum_aio_cb() emits the QUORUM_REPORT_BAD event if there's
an I/O error in a Quorum child. However sacb->aiocb must be
correctly initialized for this to happen. read_quorum_children() and
read_fifo_child() are not doing this, which results in a QEMU crash.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 8138570d071ba7e25db3736979234a1fd71dbd05.1457610443.git.berto@igalia.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/quorum.c')
| -rw-r--r-- | block/quorum.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/block/quorum.c b/block/quorum.c index b16171b57e..3d473515a8 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -655,8 +655,9 @@ static BlockAIOCB *read_quorum_children(QuorumAIOCB *acb) } for (i = 0; i < s->num_children; i++) { - bdrv_aio_readv(s->children[i]->bs, acb->sector_num, &acb->qcrs[i].qiov, - acb->nb_sectors, quorum_aio_cb, &acb->qcrs[i]); + acb->qcrs[i].aiocb = bdrv_aio_readv(s->children[i]->bs, acb->sector_num, + &acb->qcrs[i].qiov, acb->nb_sectors, + quorum_aio_cb, &acb->qcrs[i]); } return &acb->common; @@ -671,9 +672,10 @@ static BlockAIOCB *read_fifo_child(QuorumAIOCB *acb) qemu_iovec_init(&acb->qcrs[acb->child_iter].qiov, acb->qiov->niov); qemu_iovec_clone(&acb->qcrs[acb->child_iter].qiov, acb->qiov, acb->qcrs[acb->child_iter].buf); - bdrv_aio_readv(s->children[acb->child_iter]->bs, acb->sector_num, - &acb->qcrs[acb->child_iter].qiov, acb->nb_sectors, - quorum_aio_cb, &acb->qcrs[acb->child_iter]); + acb->qcrs[acb->child_iter].aiocb = + bdrv_aio_readv(s->children[acb->child_iter]->bs, acb->sector_num, + &acb->qcrs[acb->child_iter].qiov, acb->nb_sectors, + quorum_aio_cb, &acb->qcrs[acb->child_iter]); return &acb->common; } |