Files
linux/tools/testing
Eduard Zingerman 54ed919503 selftests/bpf: check zero extension of an arena 32-bit cmpxchg
Add a test to verify that destination register of a 32-bit cmpxchg
operating on an arena pointer is explicitly zero extended.
W/o patch #1 this did not happen.

Reported-by: Nicholas Carlini <npc@anthropic.com>
Suggested-by: Nicholas Carlini <npc@anthropic.com>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260903171542.1438050-3-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-09-03 18:54:45 -07:00
..