diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/debug/gdbstub.c | 9 | ||||
| -rw-r--r-- | kernel/debug/kdb/Makefile | 1 | ||||
| -rw-r--r-- | kernel/debug/kdb/kdb_io.c | 2 | ||||
| -rw-r--r-- | kernel/debug/kdb/kdb_main.c | 3 | ||||
| -rw-r--r-- | kernel/debug/kdb/kdb_support.c | 2 |
5 files changed, 8 insertions, 9 deletions
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c index 7510dc687c0d..4b280fc7dd67 100644 --- a/kernel/debug/gdbstub.c +++ b/kernel/debug/gdbstub.c @@ -1033,13 +1033,14 @@ int gdb_serial_stub(struct kgdb_state *ks) return DBG_PASS_EVENT; } #endif + /* Fall through */ case 'C': /* Exception passing */ tmp = gdb_cmd_exception_pass(ks); if (tmp > 0) goto default_handle; if (tmp == 0) break; - /* Fall through on tmp < 0 */ + /* Fall through - on tmp < 0 */ case 'c': /* Continue packet */ case 's': /* Single step packet */ if (kgdb_contthread && kgdb_contthread != current) { @@ -1048,7 +1049,7 @@ int gdb_serial_stub(struct kgdb_state *ks) break; } dbg_activate_sw_breakpoints(); - /* Fall through to default processing */ + /* Fall through - to default processing */ default: default_handle: error = kgdb_arch_handle_exception(ks->ex_vector, @@ -1094,10 +1095,10 @@ int gdbstub_state(struct kgdb_state *ks, char *cmd) return error; case 's': case 'c': - strcpy(remcom_in_buffer, cmd); + strscpy(remcom_in_buffer, cmd, sizeof(remcom_in_buffer)); return 0; case '$': - strcpy(remcom_in_buffer, cmd); + strscpy(remcom_in_buffer, cmd, sizeof(remcom_in_buffer)); gdbstub_use_prev_in_buf = strlen(remcom_in_buffer); gdbstub_prev_in_buf_pos = 0; return 0; diff --git a/kernel/debug/kdb/Makefile b/kernel/debug/kdb/Makefile index d4fc58f4b88d..efac857c5511 100644 --- a/kernel/debug/kdb/Makefile +++ b/kernel/debug/kdb/Makefile @@ -6,7 +6,6 @@ # Copyright (c) 2009 Wind River Systems, Inc. All Rights Reserved. # -CCVERSION := $(shell $(CC) -v 2>&1 | sed -ne '$$p') obj-y := kdb_io.o kdb_main.o kdb_support.o kdb_bt.o gen-kdb_cmds.o kdb_bp.o kdb_debugger.o obj-$(CONFIG_KDB_KEYBOARD) += kdb_keyboard.o diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index 6a4b41484afe..3a5184eb6977 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -446,7 +446,7 @@ poll_again: char *kdb_getstr(char *buffer, size_t bufsize, const char *prompt) { if (prompt && kdb_prompt_str != prompt) - strncpy(kdb_prompt_str, prompt, CMD_BUFLEN); + strscpy(kdb_prompt_str, prompt, CMD_BUFLEN); kdb_printf(kdb_prompt_str); kdb_nextline = 1; /* Prompt and input resets line number */ return kdb_read(buffer, bufsize); diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 82a3b32a7cfc..9ecfa37c7fbf 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -2522,7 +2522,6 @@ static int kdb_summary(int argc, const char **argv) kdb_printf("machine %s\n", init_uts_ns.name.machine); kdb_printf("nodename %s\n", init_uts_ns.name.nodename); kdb_printf("domainname %s\n", init_uts_ns.name.domainname); - kdb_printf("ccversion %s\n", __stringify(CCVERSION)); now = __ktime_get_real_seconds(); time64_to_tm(now, 0, &tm); @@ -2584,7 +2583,7 @@ static int kdb_per_cpu(int argc, const char **argv) diag = kdbgetularg(argv[3], &whichcpu); if (diag) return diag; - if (!cpu_online(whichcpu)) { + if (whichcpu >= nr_cpu_ids || !cpu_online(whichcpu)) { kdb_printf("cpu %ld is not online\n", whichcpu); return KDB_BADCPUNUM; } diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c index 50bf9b119bad..b8e6306e7e13 100644 --- a/kernel/debug/kdb/kdb_support.c +++ b/kernel/debug/kdb/kdb_support.c @@ -192,7 +192,7 @@ int kallsyms_symbol_complete(char *prefix_name, int max_len) while ((name = kdb_walk_kallsyms(&pos))) { if (strncmp(name, prefix_name, prefix_len) == 0) { - strcpy(ks_namebuf, name); + strscpy(ks_namebuf, name, sizeof(ks_namebuf)); /* Work out the longest name that matches the prefix */ if (++number == 1) { prev_len = min_t(int, max_len-1, |