stream v4 #9236
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kkdwivedi
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We may overrun the bounds because linfo and jited_linfo are already advanced to prog->aux->linfo_idx, hence we must only iterate the remaining elements until we reach prog->aux->nr_linfo. Adjust the nr_linfo calculation to fix this. Reported in [0]. [0]: https://lore.kernel.org/bpf/[email protected] Reported-by: Eduard Zingerman <[email protected]> Fixes: 0e521ef ("bpf: Add function to extract program source info") Signed-off-by: Kumar Kartikeya Dwivedi <[email protected]>
On 32-bit platforms, we'll try to convert a u64 directly to a pointer type which is 32-bit, which causes the compiler to complain about cast from an integer of a different size to a pointer type. Cast to long before casting to the pointer type to match the pointer width. Reported-by: kernelci.org bot <[email protected]> Reported-by: Randy Dunlap <[email protected]> Fixes: d7c431c ("bpf: Add dump_stack() analogue to print to BPF stderr") Signed-off-by: Kumar Kartikeya Dwivedi <[email protected]>
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