Hi Jay,
On Wed, Nov 10, 2021 at 7:47 AM Jay Foster <jay.foster@xxxxxxxxxxx> wrote:
>
> From: Jay Foster <jay.foster@xxxxxxxxxxx>
>
> hciconfig segfaults in the Bluez 5.62 release.
>
> The 'hciconfig lm' command, used to show the current link mode settings,
> de-references a NULL pointer when calling strcasestr(). This results in
> a segmentation fault. This is a regression in release 5.62 from the updates
> to implement the appropriate language changes.
>
> The hci_str2bit() function handles a NULL str value, but strcasestr()
> does not.
>
> Signed-off-by: Jay Foster <jay.foster@xxxxxxxxxxx>
>
> --- a/lib/hci.c 2021-10-13 11:38:34.000000000 -0700
> +++ b/lib/hci.c 2021-11-08 09:19:59.880207913 -0800
> @@ -323,7 +323,7 @@ int hci_strtolm(char *str, unsigned int
> int ret = hci_str2bit(link_mode_map, str, val);
>
> /* Deprecated name. Kept for compatibility. */
> - if (strcasestr(str, "MASTER")) {
> + if (str && strcasestr(str, "MASTER")) {
> ret = 1;
> *val |= HCI_LM_MASTER;
> }
You will probably need to rebase:
Applying: BlueZ hciconfig: Segmentation Fault
error: lib/hci.c 2021-11-08 09:19:59.880207913 -0800: does not exist in index
Patch failed at 0001 BlueZ hciconfig: Segmentation Fault
--
Luiz Augusto von Dentz
