diff options
Diffstat (limited to 'arch/s390/boot/printk.c')
| -rw-r--r-- | arch/s390/boot/printk.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/boot/printk.c b/arch/s390/boot/printk.c index 8cf6331bc060..4bb6bc95704e 100644 --- a/arch/s390/boot/printk.c +++ b/arch/s390/boot/printk.c @@ -29,7 +29,8 @@ static void boot_rb_add(const char *str, size_t len) /* store strings separated by '\0' */ if (len + 1 > avail) boot_rb_off = 0; - strcpy(boot_rb + boot_rb_off, str); + avail = sizeof(boot_rb) - boot_rb_off - 1; + strscpy(boot_rb + boot_rb_off, str, avail); boot_rb_off += len + 1; } @@ -158,10 +159,10 @@ static noinline char *strsym(char *buf, void *ip) p = findsym((unsigned long)ip, &off, &len); if (p) { - strncpy(buf, p, MAX_SYMLEN); + strscpy(buf, p, MAX_SYMLEN); /* reserve 15 bytes for offset/len in symbol+0x1234/0x1234 */ p = buf + strnlen(buf, MAX_SYMLEN - 15); - strcpy(p, "+0x"); + strscpy(p, "+0x", MAX_SYMLEN - (p - buf)); as_hex(p + 3, off, 0); strcat(p, "/0x"); as_hex(p + strlen(p), len, 0); |