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https://github.com/checkpoint-restore/criu.git
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df81b884d4
...and fix misprints that weren't caught before. I guess, I never fixed that much (possible) bugs by one commit, heh. Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com> Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
56 lines
1 KiB
C
56 lines
1 KiB
C
#include <sys/types.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include "zdtmtst.h"
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#define MEM_SIZE (69632)
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int main(int argc, char **argv)
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{
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int ret;
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void *start;
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unsigned long new_flags = 0;
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unsigned long new_madv = 0;
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test_init(argc, argv);
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test_msg("Alloc vma of size %d\n", MEM_SIZE);
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start = mmap(NULL, MEM_SIZE, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if (start == MAP_FAILED) {
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pr_perror("mmap failed");
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return -1;
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}
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test_msg("Lock vma from %p to %lx\n",
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start, (unsigned long)start + MEM_SIZE);
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ret = mlock(start, MEM_SIZE);
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if (ret < 0) {
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pr_perror("mlock");
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return -1;
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}
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test_daemon();
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test_msg("Setuid to 18943\n");
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ret = setuid(18943);
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if (ret < 0) {
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pr_perror("setuid");
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return -1;
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}
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test_waitsig();
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ret = get_smaps_bits((unsigned long)start, &new_flags, &new_madv);
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if (ret < 0)
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return -1;
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test_msg("Check smaps flags for MAP_LOCKED\n");
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if (new_flags & MAP_LOCKED) {
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pass();
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} else {
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fail("Vma is not locked after c/r\n");
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return -1;
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}
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return 0;
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}
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