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v6 crash bugreport [Re: [patch v6 00/21] record-btrace: reverse]
- From: Jan Kratochvil <jan dot kratochvil at redhat dot com>
- To: Markus Metzger <markus dot t dot metzger at intel dot com>
- Cc: gdb-patches at sourceware dot org
- Date: Thu, 26 Sep 2013 21:16:11 +0200
- Subject: v6 crash bugreport [Re: [patch v6 00/21] record-btrace: reverse]
- Authentication-results: sourceware.org; auth=none
- References: <1379676639-31802-1-git-send-email-markus dot t dot metzger at intel dot com>
Hi Markus,
./gdb ./gdb -ex start -ex 'record btrace' -ex stepi -ex 'record instruction-history 0'
Segmentation fault
Program received signal SIGSEGV, Segmentation fault.
0x000000000089dd86 in btrace_find_insn_by_number (it=0x7fffffffd4c0, btinfo=0x291fc98, number=0) at btrace.c:1243
1243 end = bfun->insn_offset + VEC_length (btrace_insn_s, bfun->insn);
(gdb) p bfun
$1 = (const struct btrace_function *) 0x0
(I am aware I was asking to reduce the number of NULL checks there.)
Thanks,
Jan