Ubuntu
linux package

  1. Bug #1820990
  2. Comment #0

Comment 0 for bug 1820990

Revision history for this message
AaronMa (mapengyu) wrote : [SRU][B/C/OEM/D] Fix AMD IOMMU NULL dereference

[Impact]
When no acpi hid match the device, there will be a NULL dereference in amd iommu.
It will make system hang.

[Fix]
Check NULL pointer before using it.

[Test]
Tested on several AMD platforms, bugs are fixed with this patch.

[Regression Potential]
Upstream fix, Verified on several platforms.
It should be safe.