Attachment 287701 Details for Bug 423781 – demonstration log

demonstration log

busybox-ed-1i-bug.LOG (text/plain), 1.58 KB, created by D. Hugh Redelmeier on 2007-12-13 17:59:04 UTC

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Creator: D. Hugh Redelmeier

Created: 2007-12-13 17:59:04 UTC

Size: 1.58 KB

patch

obsolete

>[hugh@redex ~]$ rpm -q --queryformat '%{name}-%{version}-%{release}.%{arch}\n' busybox
>busybox-1.2.2-8.fc7.x86_64
>[hugh@redex ~]$ echo first >0
>[hugh@redex ~]$ /sbin/busybox ed 0
>"0", 1 lines, 6 chars
>: 1i
>zeroth
>.
>: 1,$p
>first
>: q
>Really quit? y
>[hugh@redex ~]$ /sbin/busybox ed 0
>"0", 1 lines, 6 chars
>: 1i
>zeroth
>.
>: w
>"0", 2 lines, 6 chars
>: q
>Really quit? y
>*** glibc detected *** /sbin/busybox: free(): invalid pointer: 0x0000000000868860 ***
>======= Backtrace: =========
>[0x4fb127]
>[0x4fe767]
>[0x41eb48]
>[0x41ef00]
>[0x42000d]
>[0x4008b7]
>[0x400ab6]
>[0x400755]
>[0x400b40]
>[0x4df2c0]
>[0x400169]
>======= Memory map: ========
>00400000-0061f000 r-xp 00000000 08:09 2027843                            /sbin/busybox
>0081e000-00823000 rw-p 0021e000 08:09 2027843                            /sbin/busybox
>00823000-008de000 rw-p 00823000 00:00 0                                  [heap]
>2aaaaaaac000-2aaaae8d5000 r--p 00000000 08:09 2357304                    /usr/lib/locale/locale-archive
>2aaaae8d5000-2aaaae8d7000 rw-p 2aaaae8d5000 00:00 0 
>2aaab0000000-2aaab002a000 rw-p 2aaab0000000 00:00 0 
>2aaab002a000-2aaab4000000 ---p 2aaab002a000 00:00 0 
>7fffd357d000-7fffd3592000 rw-p 7ffffffea000 00:00 0                      [stack]
>7fffd35fd000-7fffd3600000 r-xp 7fffd35fd000 00:00 0                      [vdso]
>ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
>Aborted
>[hugh@redex ~]$ cat 0
>first
>[hugh@redex ~]$ >0
>[hugh@redex ~]$ /sbin/busybox ed 0
>"0", 0 lines, 0 chars
>: 1i
>first
>.
>: 1,$p
>first
>: w
>"0", 1 lines, 6 chars
>: q
>Really quit? y
>[hugh@redex ~]$ cat 0
>first
>[hugh@redex ~]$ exit

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Attachments on bug 423781: 287701