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blazer_usb, nutdrv_qx: play safer with temporary buffers, pre-zero some more#3529

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blazer_usb, nutdrv_qx: play safer with temporary buffers, pre-zero some more#3529
jimklimov wants to merge 1 commit into
networkupstools:masterfrom
jimklimov:issue-3529

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Avoid sending host stack garbage to devices.

@jimklimov jimklimov added this to the 2.8.6 milestone Jul 15, 2026
@jimklimov jimklimov added USB Qx protocol driver Driver based on Megatec Q<number> such as new nutdrv_qx, or obsoleted blazer and some others impacts-release-2.7.4 Issues reported against NUT release 2.7.4 (maybe vanilla or with minor packaging tweaks) impacts-release-2.7.3-or-older Issues reported against NUT release 2.7.3 or older, packaged or custom builds of code from that era impacts-release-2.8.5 Issues reported against NUT release 2.8.5 (maybe vanilla or with minor packaging tweaks) Hardening Ideas and implems to make NUT deployments more robust and secure (relaxed convenience may suffer) labels Jul 15, 2026
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A ZIP file with standard source tarball and another tarball with pre-built docs for commit 30d56d4 is temporarily available: NUT-tarballs-PR-3529.zip.

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Build nut 2.8.5.4925-master completed (commit 0e08b502d8 by @jimklimov)

…ome [networkupstools#3529]

Signed-off-by: Jim Klimov <jimklimov+nut@gmail.com>
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Build nut 2.8.5.4932-master completed (commit 8747fdc713 by @jimklimov)

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Hardening Ideas and implems to make NUT deployments more robust and secure (relaxed convenience may suffer) impacts-release-2.7.3-or-older Issues reported against NUT release 2.7.3 or older, packaged or custom builds of code from that era impacts-release-2.7.4 Issues reported against NUT release 2.7.4 (maybe vanilla or with minor packaging tweaks) impacts-release-2.8.5 Issues reported against NUT release 2.8.5 (maybe vanilla or with minor packaging tweaks) Qx protocol driver Driver based on Megatec Q<number> such as new nutdrv_qx, or obsoleted blazer and some others USB

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