fix stack alignment

apparently on x86 and on other platforms like aarch64 a 16 byte aligned stack is expected
todo: replace this with a generic check

1 files changed, 7 insertions, 1 deletions

diff --git a/src/firejail/main.c b/src/firejail/main.c
index 1786cfac2..05074e73b 100644
--- a/src/firejail/main.c
+++ b/src/firejail/main.c
@@ -55,7 +55,13 @@ uid_t firejail_uid = 0;
 gid_t firejail_gid = 0;
 
 #define STACK_SIZE (1024 * 1024)
-static char child_stack[STACK_SIZE] __attribute__((aligned(8)));                // space for child's stack
+#ifdef __arm__
+#define STACK_ALIGNMENT 8 // see #3010
+#else
+#define STACK_ALIGNMENT 16
+#endif
+static char child_stack[STACK_SIZE] __attribute__((aligned(STACK_ALIGNMENT)));          // space for child's stack
+
 Config cfg;                                     // configuration
 int arg_private = 0;                            // mount private /home and /tmp directoryu
 int arg_private_cache = 0;              // mount private home/.cache