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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-02-22 13:57:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-02-22 13:57:01 -0800 |
| commit | 692b8c663cbaf892d10106fbca543b4bbc3202ad (patch) | |
| tree | 5dc65e7ec599233b719f908fe962aff255087162 /drivers/xen/xenbus | |
| parent | dea08e604408d0303e2332896c5fdd8c1f7d79a2 (diff) | |
| parent | 4d8c8bd6f2062c9988817183a91fe2e623c8aa5e (diff) | |
Merge tag 'for-linus-4.5-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- Two scsiback fixes (resource leak and spurious warning).
- Fix DMA mapping of compound pages on arm/arm64.
- Fix some pciback regressions in MSI-X handling.
- Fix a pcifront crash due to some uninitialize state.
* tag 'for-linus-4.5-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/pcifront: Fix mysterious crashes when NUMA locality information was extracted.
xen/pcifront: Report the errors better.
xen/pciback: Save the number of MSI-X entries to be copied later.
xen/pciback: Check PF instead of VF for PCI_COMMAND_MEMORY
xen: fix potential integer overflow in queue_reply
xen/arm: correctly handle DMA mapping of compound pages
xen/scsiback: avoid warnings when adding multiple LUNs to a domain
xen/scsiback: correct frontend counting
Diffstat (limited to 'drivers/xen/xenbus')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_dev_frontend.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 9433e46518c8..912b64edb42b 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -188,6 +188,8 @@ static int queue_reply(struct list_head *queue, const void *data, size_t len) if (len == 0) return 0; + if (len > XENSTORE_PAYLOAD_MAX) + return -EINVAL; rb = kmalloc(sizeof(*rb) + len, GFP_KERNEL); if (rb == NULL) |