RFR: 8346866: [ASAN] memoryReserver.cpp reported applying non-zero offset to non-null pointer produced null pointer [v4]
SendaoYan
syan at openjdk.org
Fri Jan 3 02:50:13 UTC 2025
> Hi all,
> This PR add an extra loop condition check `p2u(attach_point) > stepsize` in function `HeapReserver::Instance::try_reserve_range` to make sure the loop will not wrap around, and make UndefinedBehaviorSanitizer silent. The change do not change the original logic, risk is low.
>
> Additional testing:
>
> - [ ] jtreg tests(include tier1/2/3 etc., which include tests added by [PR22712](https://github.com/openjdk/jdk/pull/22712)) on linux-x64 with release build
> - [ ] jtreg tests(include tier1/2/3 etc., which include tests added by [PR22712](https://github.com/openjdk/jdk/pull/22712)) on linux-x64 with fastdebug build
> - [ ] jtreg tests(include tier1/2/3 etc., which include tests added by [PR22712](https://github.com/openjdk/jdk/pull/22712)) on linux-aarch64 with release build
> - [ ] jtreg tests(include tier1/2/3 etc., which include tests added by [PR22712](https://github.com/openjdk/jdk/pull/22712)) on linux-aarch64 with fastdebug build
SendaoYan has updated the pull request incrementally with three additional commits since the last revision:
- remove ultra empty line
- Use offsets in the loop logic instead
- Use offsets in the loop logic instead
-------------
Changes:
- all: https://git.openjdk.org/jdk/pull/22897/files
- new: https://git.openjdk.org/jdk/pull/22897/files/e7050a2f..c9e87902
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=22897&range=03
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=22897&range=02-03
Stats: 9 lines in 1 file changed: 0 ins; 4 del; 5 mod
Patch: https://git.openjdk.org/jdk/pull/22897.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/22897/head:pull/22897
PR: https://git.openjdk.org/jdk/pull/22897
More information about the hotspot-runtime-dev
mailing list