Václav Ovsík <[EMAIL PROTECTED]> writes:
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "s390-linux-gnu"...
> Using host libthread_db library "/lib/libthread_db.so.1".
> (gdb) run
> Starting program: /home/zito/ustr-1.0.3/tst_99_64bit
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x00408cc0 in big_tst (fsz=2147483707, usz=2147483707, hack=1, tst_add=1) at
> tst_99_64bit.c:37
> 37 tst_99_64bit.c: No such file or directory.
> in tst_99_64bit.c
> (gdb) bt
> #0 0x00408cc0 in big_tst (fsz=2147483707, usz=2147483707, hack=1, tst_add=1)
> at tst_99_64bit.c:37
> #1 0x0040978e in tst () at tst_99_64bit.c:121
> #2 0x00409fc4 in main () at tst.h:172
>
>
> [EMAIL PROTECTED]:~/ustr-1.0.3$ file ./tst_99_64bit
> ./tst_99_64bit: ELF 32-bit MSB executable, IBM S/390, version 1 (SYSV), for
> GNU/Linux 2.6.8, dynamically linked (uses shared libs), not stripped
Seeing where it died showed the obvious bug in the test case:
diff --git a/T/ctst_99_64bit.c b/T/ctst_99_64bit.c
index e01176c..aa084b6 100644
--- a/T/ctst_99_64bit.c
+++ b/T/ctst_99_64bit.c
@@ -29,7 +29,8 @@ static int big_tst(size_t fsz, size_t usz, int hack, int tst_a
if (ftruncate(fd, fsz) == -1)
goto fail_ftrunc;
- if (!(ptr = mmap(0, fsz, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)))
+ ptr = mmap(0, fsz, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (ptr == MAP_FAILED)
goto fail_mmap;
memset(ptr, '-', ((fsz < 32) ? fsz : 32));
--
James Antill -- [EMAIL PROTECTED]
http://www.and.org/and-httpd/ -- $2,000 security guarantee
http://www.and.org/ustr/
http://www.and.org/vstr/
