Commit | Line | Data |
---|---|---|
0fa355a8 LP |
1 | mkfifoat() is available in Android only after API 23. We can't use tar's |
2 | implementation of mkfifioat() since it will use tar's implementation of | |
3 | mknodat(). This will cause infinite recursion in file gnu/at-func.c and | |
4 | segfault. | |
5 | ||
6 | Snippet of backtrace: | |
7 | .... | |
8 | #9 0x000000555559819c in mknodat (fd=-100, file=0x7fb7c90050 "sda", mode=25008, dev=2048) at /home/builder/.termux-build/tar/src/gnu/at-func.c:75 | |
9 | #10 0x000000555559819c in mknodat (fd=-100, file=0x7fb7c90050 "sda", mode=25008, dev=2048) at /home/builder/.termux-build/tar/src/gnu/at-func.c:75 | |
10 | #11 0x000000555559819c in mknodat (fd=-100, file=0x7fb7c90050 "sda", mode=25008, dev=2048) at /home/builder/.termux-build/tar/src/gnu/at-func.c:75 | |
11 | #12 0x000000555559819c in mknodat (fd=-100, file=0x7fb7c90050 "sda", mode=25008, dev=2048) at /home/builder/.termux-build/tar/src/gnu/at-func.c:75 | |
12 | #13 0x000000555556a9d4 in extract_node (file_name=0x7fb7c90050 "sda", typeflag=52) at /home/builder/.termux-build/tar/src/src/extract.c:1447 | |
13 | #14 0x0000005555568f38 in extract_archive () at /home/builder/.termux-build/tar/src/src/extract.c:1709 | |
14 | .... | |
15 | ||
16 | diff -uNr tar-1.30/src/extract.c tar-1.30.mod/src/extract.c | |
17 | --- tar-1.30/src/extract.c 2017-12-16 23:23:12.000000000 +0200 | |
18 | +++ tar-1.30.mod/src/extract.c 2017-12-25 14:31:31.541886176 +0200 | |
19 | @@ -42,6 +42,11 @@ | |
20 | # define fchown(fd, uid, gid) (errno = ENOSYS, -1) | |
21 | #endif | |
22 | ||
23 | +static int | |
24 | +mkfifoat(int fd, const char* path, mode_t mode) { | |
25 | + return mknodat(fd, path, (mode & ~S_IFMT) | S_IFIFO, 0); | |
26 | +} | |
27 | + | |
28 | /* Return true if an error number ERR means the system call is | |
29 | supported in this case. */ | |
30 | static bool |