Messages in this thread | | | Subject | Re: [PATCH] s390/bpf: perform r1 range checking before accessing jit->seen_reg[r1] | From | patchwork-bot+netdevbpf@kernel ... | Date | Thu, 15 Jul 2021 17:50:04 +0000 |
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Hello:
This patch was applied to bpf/bpf.git (refs/heads/master):
On Thu, 15 Jul 2021 13:57:12 +0100 you wrote: > From: Colin Ian King <colin.king@canonical.com> > > Currently array jit->seen_reg[r1] is being accessed before the range > checking of index r1. The range changing on r1 should be performed > first since it will avoid any potential out-of-range accesses on the > array seen_reg[] and also it is more optimal to perform checks on > r1 before fetching data from the array. Fix this by swapping the > order of the checks before the array access. > > [...]
Here is the summary with links: - s390/bpf: perform r1 range checking before accessing jit->seen_reg[r1] https://git.kernel.org/bpf/bpf/c/91091656252f
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