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drivers/contactless/pn532: Fix potential overflow

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Fixes a potential overflow where more than 16 bytes are written to the
cmd_buffer.

Signed-off-by: Matteo Golin <matteo.golin@gmail.com>
This commit is contained in:
Matteo Golin 2026-06-06 16:54:27 -04:00 • committed by Mateusz Szafoni
parent 5fcc358305
commit 984ef64428
1 changed files with 1 additions and 0 deletions
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drivers/contactless/pn532.c
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@ -794,6 +794,7 @@ bool pn532_set_rf_config(struct pn532_dev_s * dev,
pn532_frame_init(f, PN532_COMMAND_RFCONFIGURATION);
f->data[1] = conf->cfg_item;
DEBUGASSERT(conf->data_size <= 16);
memcpy(&f->data[2], conf->config, conf->data_size);
f->len += conf->data_size + 1;
pn532_frame_finish(f);