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Groups > linux.kernel > #1697889
| From | Kalle Valo <kvalo@codeaurora.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [-next] rtlwifi: kfree entry until after entry->bssid has been accessed |
| Date | 2017-07-27 13:00 +0200 |
| Message-ID | <u7OGl-556-1@gated-at.bofh.it> (permalink) |
| References | <tY12a-497-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Colin Ian King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> The current code kfree's entry and then dereferences it by accessing
> entry->bssid. Avoid the dereference-after-free by moving the kfree
> after the access to entry->bssid.
>
> Detected by CoverityScan, CID#1448600 ("Read from pointer after free")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Patch applied to wireless-drivers-next.git, thanks.
d0116f6f7b30 rtlwifi: kfree entry until after entry->bssid has been accessed
--
https://patchwork.kernel.org/patch/9819083/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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Re: [-next] rtlwifi: kfree entry until after entry->bssid has been accessed Kalle Valo <kvalo@codeaurora.org> - 2017-07-27 13:00 +0200
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