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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 13:24:58 -0700 |
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| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 13:24:58 -0700 |
| commit | 6ba0d2e4fc2f3e8544f40fb1165c668f78fe951c (patch) | |
| tree | f2b8cc2350bcccb8129e6b1f36b648daa9631c75 /usr | |
| parent | 1fa2c0a0c814fbae0eb3e79a510765225570d043 (diff) | |
| parent | 9af47666cb0f331bfcd76799ee368cdfcb00882c (diff) | |
| download | linux-6ba0d2e4fc2f3e8544f40fb1165c668f78fe951c.tar.gz | |
Merge tag 'kallsyms_show_value-fix-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull sysfs module section fix from Kees Cook: "Fix sysfs module section output overflow. About a month after my kallsyms_show_value() refactoring landed, 0day noticed that there was a path through the kernfs binattr read handlers that did not have PAGE_SIZEd buffers, and the module "sections" read handler made a bad assumption about this, resulting in it stomping on memory when reached through small-sized splice() calls. I've added a set of tests to find these kinds of regressions more quickly in the future as well" Sefltests-acked-by: Shuah Khan <skhan@linuxfoundation.org> * tag 'kallsyms_show_value-fix-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests: splice: Check behavior of full and short splices module: Correctly truncate sysfs sections output
Diffstat (limited to 'usr')
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