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This test verifies that bpf_loop() inlining works as expected when address of `env->prog` is updated. This address is updated upon BPF program reallocation. Reallocation is handled by bpf_prog_realloc(), which reuses old memory if page boundary is not crossed. The value of `len` in the test is chosen to cross this boundary on bpf_loop() patching. Verify that the use-after-free bug in inline_bpf_loop() reported by Dan Carpenter is fixed. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20220624020613.548108-3-eddyz87@gmail.com |
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| crypto/chacha20-s390 | ||
| cxl | ||
| fault-injection | ||
| ktest | ||
| kunit | ||
| memblock | ||
| nvdimm | ||
| radix-tree | ||
| scatterlist | ||
| selftests | ||
| vsock | ||