Re: null ptr deref and segfault in parameter_brace_transform.isra.17 () at subst.c:6827 (bash 4.4.0(1)-beta)

2015-09-20 Thread Chet Ramey
On 9/20/15 12:17 AM, Brian Carpenter wrote: > I found another null ptr deref and segfault. This only seems to affect bash > 4.4.0 as 4.2.37(1)-release and 4.2.37(1)-release only return a 'bad > substitution' error message. Thanks for the report. This will be fixed in the next release of bash.

Re: null ptr deref and segfault in parameter_brace_transform.isra.17 () at subst.c:6827 (bash 4.4.0(1)-beta)

2015-09-19 Thread Brian Carpenter
Thanks for the kind words, it is much appreciated. It's just a standard Debian 7 x86_64 VM running under ESXi. I'm not using any kind of sandbox or jail or chroot environment as the VM is disposable and another one can be spun up in seconds if necessary. So far, I haven't had any issues with AFL

Re: null ptr deref and segfault in parameter_brace_transform.isra.17 () at subst.c:6827 (bash 4.4.0(1)-beta)

2015-09-19 Thread Eduardo A . Bustamante López
On Sat, Sep 19, 2015 at 11:17:33PM -0500, Brian Carpenter wrote: > I found another null ptr deref and segfault. This only seems to affect bash > 4.4.0 as 4.2.37(1)-release and 4.2.37(1)-release only return a 'bad > substitution' error message. Hey Brian, I just wanted to step in and say: you're

null ptr deref and segfault in parameter_brace_transform.isra.17 () at subst.c:6827 (bash 4.4.0(1)-beta)

2015-09-19 Thread Brian Carpenter
I found another null ptr deref and segfault. This only seems to affect bash 4.4.0 as 4.2.37(1)-release and 4.2.37(1)-release only return a 'bad substitution' error message. bash -c '${!a@a}' Program received signal SIGSEGV, Segmentation fault. 0x005d36b7 in