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hw/loongarch/boot.c: fix out-of-bound reading

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memcpy() is trying to READ 512 bytes from memory,
pointed by info->kernel_cmdline,
which was (presumable) allocated by g_strdup("");
Found with ASAN, making check with enabled sanitizers.

Signed-off-by: Dmitry Frolov <frolov@swemel.ru>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240628123910.577740-1-frolov@swemel.ru>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Dmitry Frolov 2024-06-28 15:39:10 +03:00 committed by Song Gao
parent 23901b2b72
commit 5e21b1317f
1 changed files with 1 additions and 1 deletions
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hw/loongarch/boot.c
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@ -163,7 +163,7 @@ static void init_cmdline(struct loongarch_boot_info *info, void *p, void *start)
info->a0 = 1;
info->a1 = cmdline_addr;
memcpy(p, info->kernel_cmdline, COMMAND_LINE_SIZE);
g_strlcpy(p, info->kernel_cmdline, COMMAND_LINE_SIZE);
}
static uint64_t cpu_loongarch_virt_to_phys(void *opaque, uint64_t addr)