From: Harshit Mogalapalli Date: Thu, 10 Oct 2024 11:18:18 +0000 (-0700) Subject: pinctrl: sophgo: fix double free in cv1800_pctrl_dt_node_to_map() X-Git-Tag: v6.12-rc4~2^2~2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4575962aeed63aca975756852ab0c550164f849f;p=thirdparty%2Fkernel%2Flinux.git pinctrl: sophgo: fix double free in cv1800_pctrl_dt_node_to_map() 'map' is allocated using devm_* which takes care of freeing the allocated data, but in error paths there is a call to pinctrl_utils_free_map() which also does kfree(map) which leads to a double free. Use kcalloc() instead of devm_kcalloc() as freeing is manually handled. Fixes: a29d8e93e710 ("pinctrl: sophgo: add support for CV1800B SoC") Signed-off-by: Harshit Mogalapalli Link: https://lore.kernel.org/20241010111830.3474719-1-harshit.m.mogalapalli@oracle.com Signed-off-by: Linus Walleij --- diff --git a/drivers/pinctrl/sophgo/pinctrl-cv18xx.c b/drivers/pinctrl/sophgo/pinctrl-cv18xx.c index d18fc5aa84f75..57f2674e75d68 100644 --- a/drivers/pinctrl/sophgo/pinctrl-cv18xx.c +++ b/drivers/pinctrl/sophgo/pinctrl-cv18xx.c @@ -221,7 +221,7 @@ static int cv1800_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev, if (!grpnames) return -ENOMEM; - map = devm_kcalloc(dev, ngroups * 2, sizeof(*map), GFP_KERNEL); + map = kcalloc(ngroups * 2, sizeof(*map), GFP_KERNEL); if (!map) return -ENOMEM;