diff options
Diffstat (limited to 'results/classifier/deepseek-2/reasoning/network/1381639')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/network/1381639 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/network/1381639 b/results/classifier/deepseek-2/reasoning/network/1381639 new file mode 100644 index 00000000..9443e53a --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/network/1381639 @@ -0,0 +1,17 @@ +<think> +Alright, so I need to classify this bug report from QEMU into one of the given categories. Let me start by reading through the problem carefully. + +The bug is in sys_eeprom.c at line 353. The error message says "buffer too small" and mentions that a buffer is accessed out of bounds. Looking at the code snippet provided, there's an array declaration: char ethaddr[9]; Then, sprintf is used to format this array with six hexadecimal pairs separated by colons, which would look like "XX:XX:XX:XX:XX:XX". Each pair takes two characters, and the colons add five more characters (since there are five colons between six pairs). That makes 6*2 +5 =17 characters. Wait, no, wait: let's count again. + +Wait, each of the six MAC addresses is formatted as "%02X", so that's two hex digits per part, and then a colon after each except the last. So for six parts, you have five colons. So total length would be 6*2 +5 =17 characters. But ethaddr is declared as size 9. That's way too small because 17 exceeds 9. + +The error message says "18 into 9 won't go." Wait, maybe I miscalculated. Let me check the sprintf format again: "%02X:%02X:%02X:%02X:%02X:%02X". That's six %02X parts and five colons in between. So each colon adds one character. So 6*2 =12 for the hex digits, plus 5 =17 characters. But ethaddr is only size 9, which can hold up to 8 bytes (since it's 0-based). So when you try to write 17 characters into a buffer that's only 9 in length, it overflows. + +So this is clearly a buffer overflow issue. The problem is that the buffer allocated isn't big enough for the formatted string, leading to an out-of-bounds access. + +Now, looking at the possible categories: mistranslation, assembly lowering, other, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. + +The code in question is part of QEMU's U-Boot ROM for a board called matrix_vision/mvblx. The error occurs when formatting the MAC address into ethaddr. Since this relates to network configuration (MAC address handling), it falls under the 'network' category. +</think> + +network \ No newline at end of file |