Re: [PATCH] parisc: unwind: Replace open-coded binary search with bsearch()

[Helge Deller]

On 9/13/26 16:12, Sean Young wrote:
> There is a bug in the binary search where hi can underflow. If
> addr is less than the first entry, then "hi = mid - 1" will underflow
> to ULONG_MAX. Then we have an out-of-bounds read.
>
> Replace the open-coded binary search with bsearch().
>
> Issue found by an LLM.
>
> Signed-off-by: Sean Young <sean@xxxxxxxx>
> ---
>   arch/parisc/kernel/unwind.c | 33 +++++++++++++++------------------
>   1 file changed, 15 insertions(+), 18 deletions(-)
Applied.

Thanks!
Helge