[ 2372.596719] ACPI: \_SB_.PCI0.LPCB.EC0_.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20150930/nsarguments-230)
[ 2382.604509] ACPI: \_SB_.PCI0.LPCB.EC0_.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20150930/nsarguments-230)
[ 2382.604557] ACPI: \_SB_.PCI0.LPCB.EC0_.ECRD: 1 arguments were passed to a non-method ACPI object (RegionField) (20150930/nsarguments-230)

typedef void (* B)(C *);

typedef struct
{
    [..]

    B b;
} A;

typedef struct
{
    [..]

    A * a;
} C;

mkdir -p /tmp/libtest && echo -e "#include <stdio.h>\n\nint target = 10;\n\nstatic void target_init(void) __attribute__ ((constructor));\n\nstatic void target_init(void)\n{\n    target = 50;\n}\n\nint target_return(void)\n{\n\n    return target;\n}\n" > /tmp/libtest/lib.c && echo -e "#include <stdio.h>\n\nextern int target_return(void);\n\nstatic void main_init(void) __attribute__ ((constructor));\n\nstatic void main_init(void)\n{\n    printf(\"main_init: %d\\\\n\", target_return())\n}\n\nint main(void)\n{\n    printf(\"main: %d\\\\n\", target_return());\n    return 0;\n}\n" > /tmp/libtest/main.c && gcc -fPIC -shared /tmp/libtest/lib.c -o /tmp/libtest/liblib.so && gcc main.c -o /tmp/libtest/main.elf -L. -llib && LD_LIBRARY_PATH=/tmp/libtest/ /tmp/libtest/main.elf

intel_do_flush_locked failed: Input/output error

i32 xxxx(const void * p1, const void * p2)
{
    const u8   * p1_u8 = p1;
    const u8   * p2_u8 = p2;

    if (p1_u8 == p2_u8)
        return 0;
    if (p1_u8 == NULL)
        return *p2_u8;  // 403
    if (p2_u8 == NULL)  // 404
        return *p1_u8;

V595 The 'p2_u8' pointer was utilized before it was verified against nullptr. Check lines: 403, 404.

# Скрипт запущен от рута\sudo. Надо дать пользователю его шелл
su $user -c /bin/sh

/bin/sh: 0: can't access tty; job control turned off
$ ping ya.ru 
PING ya.ru (87.250.250.242) 56(84) bytes of data.
64 bytes from ya.ru (87.250.250.242): icmp_seq=1 ttl=54 time=27.1 ms
64 bytes from ya.ru (87.250.250.242): icmp_seq=2 ttl=54 time=28.6 ms
^C
Сеанс завершён, выполняется завершение оболочки…
--- ya.ru ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 27.149/27.897/28.646/0.766 ms

$ exit
 … ожидает завершения потомка.

char *strpbrk(const char *s, const char *accept);
char *strstr(const char *haystack, const char *needle);
char *strcasestr(const char *haystack, const char *needle); // GNU
char *strchr(const char *s, int c);
char *strrchr(const char *s, int c);

./code/test/utils/bximemutils.c
    defines:
        defined: BX_MEM_NONE: 0x000000
        defined: BX_MEM_ZERO: 0x000001
    functions:
        checking: bxi_memopt_set
        checking: bxi_memerr_set
        checking: bxi_malloc_set
        checking: bxi_malloc
        checking: bxi_realloc_set
        checking: bxi_realloc
        checking: bxi_free_set
        checking: bxi_free
        checking: bxi_memset
            speedtest:     memset  :  0.01649
            speedtest: bxi_memset  :  0.04130
        checking: bxi_memcpy
            speedtest:     memcpy  :  0.01038
            speedtest: bxi_memcpy  :  0.04120
        checking: bxi_memmove
            speedtest:     memmove :  0.01202
            speedtest: bxi_memmove :  0.04034
        checking: bxi_memcmp
            speedtest:     memcmp  :  1.63799
            speedtest: bxi_memcmp  :  0.58350
        checking: bxi_memfrob
            speedtest:     memfrob :  0.07995
            speedtest: bxi_memfrob :  0.08031
        checking: bxi_memchr
        checking: bxi_memrchr
PASSED

tk@pro7:/tmp/git/codemeow/bixi/bin
$ head -10 /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 58
model name	: Intel(R) Xeon(R) CPU E3-1230 V2 @ 3.30GHz
stepping	: 9
microcode	: 0x12
cpu MHz		: 3300.000
cache size	: 8192 KB
physical id	: 0
tk@pro7:/tmp/git/codemeow/bixi/bin
$ uname -a
Linux pro7 3.8.5 #4 SMP Mon Oct 9 18:48:32 MSK 2017 i686 Intel(R) Xeon(R) CPU E3-1230 V2 @ 3.30GHz GenuineIntel GNU/Linux
$ ls -l /lib/libc-2.11.1.so
-rwxr-xr-x 1 root root 1649149 2010-05-13 10:55 /lib/libc-2.11.1.so*

Mounting devfs
DOUBLE FAULT
<..>
panic: lockmgr vm_maplk from 0: called from interrupt, ipi, or hard code section

grep: unknown option -- color=never

grep-flag-available() {
    echo | grep $1 "" >/dev/null 2>&1
}

GREP_OPTIONS=""

if grep-flag-available --color=auto; then
    GREP_OPTIONS+=" --color=auto"
fi

Md5Calc()
{
    # Minix : md5 -n $1
    md5sum $1
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef unsigned char u8;
typedef unsigned int  u32;

#define GB (1024ul * 1024ul * 1024ul)
#define TEST_SIZE (10)

int zerofy = 1;

static u8 * alloc(u32 size)
{
    u8 * res = calloc(size, 1);
    
    if (!res)
    {
        printf(" * Cannot alloc %u bytes\n", size);
        return NULL;
    }
    else
    {
        printf(" * Allocated %u bytes [%p]\n", size, res);
    }

    if (zerofy)
        memset(res, 0, size);

    return res;
}

static void rapemem(u32 zero)
{
    u32 i;
    u8 * p[TEST_SIZE];

    printf("Switching zerofy to %u\n", zero);
    zerofy = zero;

    for (i = 0; i < TEST_SIZE; i++)
        p[i] = alloc(GB);

    for (i = 0; i < TEST_SIZE; i++)
        free(p[i]);
}

int main(void)
{
    system("free -mh");
    printf("\n\n");

    rapemem(0);
    rapemem(1);
    rapemem(0);

    return 0;
}

alex@alex-thinkpad-l560:~/Разработка/C/Tests/calloc$ gcc -std=c89 poc.c 
alex@alex-thinkpad-l560:~/Разработка/C/Tests/calloc$ ./a.out 
              total        used        free      shared  buff/cache   available
Память:        7,6G        2,1G        4,2G        396M        1,2G        4,8G
Подкачка:          0B          0B          0B


Switching zerofy to 0
 * Allocated 1073741824 bytes [0x7fe248a9b010]
 * Allocated 1073741824 bytes [0x7fe208a9a010]
 * Allocated 1073741824 bytes [0x7fe1c8a99010]
 * Allocated 1073741824 bytes [0x7fe188a98010]
 * Allocated 1073741824 bytes [0x7fe148a97010]
 * Allocated 1073741824 bytes [0x7fe108a96010]
 * Allocated 1073741824 bytes [0x7fe0c8a95010]
 * Allocated 1073741824 bytes [0x7fe088a94010]
 * Allocated 1073741824 bytes [0x7fe048a93010]
 * Allocated 1073741824 bytes [0x7fe008a92010]
Switching zerofy to 1
 * Allocated 1073741824 bytes [0x7fe248a9b010]
 * Allocated 1073741824 bytes [0x7fe208a9a010]
 * Allocated 1073741824 bytes [0x7fe1c8a99010]
 * Allocated 1073741824 bytes [0x7fe188a98010]
 * Cannot alloc 1073741824 bytes
 * Cannot alloc 1073741824 bytes
 * Cannot alloc 1073741824 bytes
 * Cannot alloc 1073741824 bytes
 * Cannot alloc 1073741824 bytes
 * Cannot alloc 1073741824 bytes
Switching zerofy to 0
 * Allocated 1073741824 bytes [0x7fe248a9b010]
 * Allocated 1073741824 bytes [0x7fe208a9a010]
 * Allocated 1073741824 bytes [0x7fe1c8a99010]
 * Allocated 1073741824 bytes [0x7fe188a98010]
 * Allocated 1073741824 bytes [0x7fe143fff010]
 * Allocated 1073741824 bytes [0x7fe103ffe010]
 * Allocated 1073741824 bytes [0x7fe0c3ffd010]
 * Allocated 1073741824 bytes [0x7fe083ffc010]
 * Allocated 1073741824 bytes [0x7fe043ffb010]
 * Allocated 1073741824 bytes [0x7fe003ffa010]