[Bug binutils/12720] New: [regression] ar d segfaults

[doko at debian dot org]

http://sourceware.org/bugzilla/show_bug.cgi?id=12720

           Summary: [regression] ar d segfaults
           Product: binutils
           Version: 2.22 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
        AssignedTo: address@hidden
        ReportedBy: address@hidden


ar d libtcl8.5.a tclAppInit.o
segfaults.

caused by:

+++ b/binutils/ChangeLog
@@ -2,6 +2,8 @@

        * strings.c (print_strings): Plug memory leak.
        * ar.c (move_members): Plug memory leak.
+       (delete_members): Plug memory leak.
+       (write_archive): Plug memory leak.

reverting the change avoids the segfault.

(gdb) bt
#0  0x00007ffff739a165 in raise (sig=<value optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007ffff739cf70 in abort () at abort.c:92
#2  0x00007ffff73d9ae0 in malloc_printerr (action=2, str=0x7ffff748df15
"free(): invalid pointer", ptr=0x3d61) at malloc.c:6272
#3  0x0000000000402e13 in delete_members (argc=4, argv=0x60e070) at
../../binutils/ar.c:1145
#4  main (argc=4, argv=0x60e070) at ../../binutils/ar.c:742
(gdb) up
#1  0x00007ffff739cf70 in abort () at abort.c:92
92      abort.c: No such file or directory.
        in abort.c
(gdb) up
#2  0x00007ffff73d9ae0 in malloc_printerr (action=2, str=0x7ffff748df15
"free(): invalid pointer", ptr=0x3d61) at malloc.c:6272
6272    malloc.c: No such file or directory.
        in malloc.c
(gdb) up
#3  0x0000000000402e13 in delete_members (argc=4, argv=0x60e070) at
../../binutils/ar.c:1145
1145                free ((char *) tmp);
(gdb) p tmp

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