On Sat, Nov 02, 2019 at 01:28:51AM -0300, [email protected] wrote:
From: Julio Faracco <[email protected]>In function virSecurityDeviceLabelDefNew(), when libvirt fails to allocate seclabel structure it returns a failure. This case is setting seclabel as a NULL pointer and accessing its attribute below. This commit fixes this wrong logic.
As of [0]: commit 52117fa97e46d27718eaeb92534a0f5800c326ef Author: Daniel P. Berrangé <[email protected]> CommitDate: 2019-09-13 10:05:17 +0100 util: make allocation functions abort on OOM libvirt's allocation functions never fail. This change was made to allow usage of GLib allocation functions, which also abort on OOM.
Signed-off-by: Julio Faracco <[email protected]> --- src/util/virseclabel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/util/virseclabel.c b/src/util/virseclabel.c index a2b5ebf6b7..2141d84210 100644 --- a/src/util/virseclabel.c +++ b/src/util/virseclabel.c @@ -77,7 +77,7 @@ virSecurityDeviceLabelDefNew(const char *model) if (VIR_ALLOC(seclabel) < 0) {
So everything inside this if is dead code waiting to be cleaned up. See: https://libvirt.org/hacking.html#glib for the GLib equivalents of functions for allocation. Jano
virSecurityDeviceLabelDefFree(seclabel);
- seclabel = NULL;
+ return NULL;
}
seclabel->model = g_strdup(model);
--
2.20.1
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[0] https://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=52117fa97e46d
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