https://github.com/torvalds/linux
Revision 682630f00a219a1b0696abe9c0967e660068187b authored by Sagi Grimberg on 25 June 2018, 17:58:17 UTC, committed by Christoph Hellwig on 28 June 2018, 14:29:54 UTC
If reconnect/reset failed where the controller async event buffer was freed, we might end up freeing it again as we call nvme_rdma_destroy_admin_queue again in the remove path. Given that the sequence is guaranteed to serialize by .ctrl_stop, we simply set ctrl->async_event_sqe.data to NULL and don't free it in future visits. Reported-by: Max Gurtovoy <maxg@mellanox.com> Tested-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
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Tip revision: 682630f00a219a1b0696abe9c0967e660068187b authored by Sagi Grimberg on 25 June 2018, 17:58:17 UTC
nvme-rdma: fix possible double free of controller async event buffer
nvme-rdma: fix possible double free of controller async event buffer
Tip revision: 682630f
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| .clang-format | -rw-r--r-- | 12.8 KB |
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| .get_maintainer.ignore | -rw-r--r-- | 31 bytes |
| .gitattributes | -rw-r--r-- | 30 bytes |
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| COPYING | -rw-r--r-- | 423 bytes |
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