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Linux kernel source tree (Kernel Self Protection Project)
https://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project
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Fix -Wstringop-overflow warning in sound/firewire/amdtp-stream.c #303

Closed GustavoARSilva closed 5 months ago

GustavoARSilva commented 1 year ago 
sound/firewire/amdtp-stream.c: In function ‘build_it_pkt_header’:
sound/firewire/amdtp-stream.c:694:17: warning: ‘generate_cip_header’ accessing 8 bytes in a region of size 0 [-Wstringop-overflow=]
  694 |                 generate_cip_header(s, cip_header, data_block_counter, syt);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/firewire/amdtp-stream.c:694:17: note: referencing argument 2 of type ‘__be32[2]’ {aka ‘unsigned int[2]’}
sound/firewire/amdtp-stream.c:667:13: note: in a call to function ‘generate_cip_header’
  667 | static void generate_cip_header(struct amdtp_stream *s, __be32 cip_header[2],
      |             ^~~~~~~~~~~~~~~~~~~
GustavoARSilva commented 1 year ago

Patch: https://lore.kernel.org/linux-hardening/ZHT0V3SpvHyxCv5W@work/

GustavoARSilva commented 5 months ago

fixed in commit 4420528254153189c70b6267593e445dc8654e37