Thanks! Committed at rev 1033.
On 4/25/08, Aktiv Co. Aleksey Samsonov <[EMAIL PROTECTED]> wrote: > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread -1210038592 (LWP 2240)] > 0xb7e6e5b4 in memset () from /lib/tls/libc.so.6 > (gdb) backtrace > #0 0xb7e6e5b4 in memset () from /lib/tls/libc.so.6 > #1 0xb7f4c28e in ct_status_alloc_slot (num=0xbffaed24) at status.c:144 > #2 0x0804a5ac in main (argc=5, argv=Cannot access memory at address 0x5 > ) at ifdhandler.c:119 > > > openct/src/ct/status.c: > > ct_map_status: > > 55: addr = mmap(NULL, *size, prot, MAP_SHARED, fd, 0); > !!! *size == 0 > > ct_status_alloc_slot: > > 108: info = (ct_info_t *) ct_map_status(O_RDWR, &size); > 109: if (info == NULL) > 110: return NULL; > > !!! Linux-2.6.x: info == -1 // (info == MAP_FAILED) > !!! Linux-2.4.x: info == NULL > > 143: memset(&info[*num], 0, sizeof(ct_info_t)); > !!! SIGSEGV > > > http://www.opengroup.org/onlinepubs/000095399/functions/mmap.html > : > RETURN VALUE > Upon successful completion, the mmap() function shall return the > address at which the mapping was placed ( pa); otherwise, it shall > return a value of MAP_FAILED and set errno to indicate the error. > > > linux/mm/mmap.c: do_mmap_pgoff: > > Linux-2.4.36: > 414: if (!len) > 415: return addr; > http://git.kernel.org/?p=linux/kernel/git/wtarreau/linux-2.4.git;a=blob;f=mm/mmap.c;h=536510a249374f4b1cc0753a0dfb4cb44c741eff;hb=89daf14f822d33ecb1ea5681fd968bd6a46cfc8c#l415 > > Linux-2.6.25: > 917: if (!len) > 918: return -EINVAL; > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=mm/mmap.c;h=a32d28ce31cda697aff68fdc6c939560096e3a50;hb=4b119e21d0c66c22e8ca03df05d9de623d0eb50f#l918 > > > diff -u -r openct-0.6.14/src/ct/status.c > new/openct-0.6.14/src/ct/status.c > --- openct-0.6.14/src/ct/status.c 2007-05-26 01:11:46.000000000 +0400 > +++ new/openct-0.6.14/src/ct/status.c 2007-11-08 > 14:54:54.000000000 +0300 > @@ -53,6 +53,8 @@ > prot |= PROT_WRITE; > > addr = mmap(NULL, *size, prot, MAP_SHARED, fd, 0); > + if (addr == MAP_FAILED) > + addr = NULL; > > done:close(fd); > return addr; > > > _______________________________________________ > opensc-devel mailing list > opensc-devel@lists.opensc-project.org > http://www.opensc-project.org/mailman/listinfo/opensc-devel > > _______________________________________________ opensc-devel mailing list opensc-devel@lists.opensc-project.org http://www.opensc-project.org/mailman/listinfo/opensc-devel
