From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Kiper Subject: [PATCH 2/7] elf: Increase buf size in get_pt_note_info() Date: Fri, 12 Jul 2013 15:48:10 +0200 Message-ID: <1373636895-31682-3-git-send-email-daniel.kiper@oracle.com> References: <1373636895-31682-1-git-send-email-daniel.kiper@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1373636895-31682-1-git-send-email-daniel.kiper-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+glkk-kexec=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: kumagai-atsushi-biTfD1RFvDe45+QrQBaojngSJqDPrsil@public.gmane.org, kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org Cc: Daniel Kiper List-Id: xen-devel@lists.xenproject.org get_pt_note_info() always ignores VMCOREINFO_XEN note because buf size is too small. It does not have place for \0 char which marks EOS. This patch fixes that bug and VMCOREINFO_XEN note living in /proc/vmcore file could be properly detected now. Signed-off-by: Daniel Kiper --- elf_info.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/elf_info.c b/elf_info.c index 0c1e36a..70a6dd2 100644 --- a/elf_info.c +++ b/elf_info.c @@ -310,7 +310,7 @@ get_pt_note_info(void) { int n_type, size_name, size_desc; off_t offset, offset_desc; - char buf[VMCOREINFO_XEN_NOTE_NAME_BYTES]; + char buf[VMCOREINFO_XEN_NOTE_NAME_BYTES + 1]; char note[MAX_SIZE_NHDR]; nr_cpus = 0; -- 1.7.10.4