[PATCH v8 0/1] kasan: Avoid sleepable page allocation from atomic context

Alexander Gordeev
2025-05-13T15:40:37Z

Hi All,

Chages since v7:
- drop "unnecessary free pages" optimization
- fix error path page leak

Chages since v6:
- do not unnecessary free pages across iterations

Chages since v5:
- full error message included into commit description

Chages since v4:
- unused pages leak is avoided

Chages since v3:
- pfn_to_virt() changed to page_to_virt() due to compile error

Chages since v2:
- page allocation moved out of the atomic context

Chages since v1:
- Fixes: and -stable tags added to the patch description

Thanks!

Alexander Gordeev (1):
kasan: Avoid sleepable page allocation from atomic context

mm/kasan/shadow.c | 77 ++++++++++++++++++++++++++++++++++++++---------
1 file changed, 63 insertions(+), 14 deletions(-)

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2.45.2