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c8e612bfed
Set "next_rip" in the emulation interception info passed to vendor code
using the emulator context's "_eip", not "eip". "eip" holds RIP from the
start of emulation, i.e. the RIP of the instruction that's being emulated,
whereas _eip tracks the context's current position in decoding the code
stream, which at the time of the intercept checks is effectively the RIP
of the next instruction.
Passing the current RIP as next_rip causes SVM to stuff the wrong value
value into vmcb12->control.next_rip if a nested VM-Exit is generated, i.e.
if L1 wants to intercept the instruction, and could result in L1 putting
L2 into an infinite loop due to restarting L2 with the same RIP over and
over.
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.