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Fix dlmalloc horror bug - mman_map overwrites application code

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This commit is contained in:
Kamil Kowalczyk
2025-09-14 19:07:00 +02:00
parent e6891b39cc
commit 26ff717b50
18 changed files with 197 additions and 137 deletions
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11
user/init/main.c
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@ -6,16 +6,11 @@
#include <uprintf.h>
#include <ansiq/all.h>
#include <string/char.h>
void *string_memset2(void *p, int c, size_t n) {
char *cp = p;
for (size_t i = 0; i < n; i++) cp[i] = c;
return p;
}
#include <util/util.h>
void main(void) {
char *tbargs[] = { "-m", "interactive" };
int32_t tb = processctl(-1, PCTL_SPAWN, (uint64_t)"base:/bin/tb", (uint64_t)&tbargs, 2);
char *tbargs[] = { "-m", "runfile", "-f", "base:/scripts/init.tb" };
int32_t tb = processctl(-1, PCTL_SPAWN, (uint64_t)"base:/bin/tb", (uint64_t)&tbargs, ARRLEN(tbargs));
uint64_t selfpid = (uint64_t)processctl(-1, PCTL_GETPID, 0, 0, 0);
ipcpipe(tb, IPCPIPE_OUT, IPCPIPE_REPLACE, (uint8_t *)selfpid, IPCPIPE_OUT);
processctl(tb, PCTL_RUN, 0, 0, 0);