diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/bpf/verifier.c | 1 | ||||
-rw-r--r-- | kernel/locking/lockdep.c | 2 | ||||
-rw-r--r-- | kernel/resource.c | 13 |
3 files changed, 14 insertions, 2 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 9c843a5417da..6345623d6b02 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1434,6 +1434,7 @@ static int check_ld_abs(struct verifier_env *env, struct bpf_insn *insn) } if (insn->dst_reg != BPF_REG_0 || insn->off != 0 || + BPF_SIZE(insn->code) == BPF_DW || (mode == BPF_ABS && insn->src_reg != BPF_REG_0)) { verbose("BPF_LD_ABS uses reserved fields\n"); return -EINVAL; diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 2324ba5310db..ed9410936a22 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -1999,6 +1999,7 @@ static inline int get_first_held_lock(struct task_struct *curr, return ++i; } +#ifdef CONFIG_DEBUG_LOCKDEP /* * Returns the next chain_key iteration */ @@ -2069,6 +2070,7 @@ static void print_collision(struct task_struct *curr, printk("\nstack backtrace:\n"); dump_stack(); } +#endif /* * Checks whether the chain and the current held locks are consistent diff --git a/kernel/resource.c b/kernel/resource.c index 2e78ead30934..9b5f04404152 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -105,16 +105,25 @@ static int r_show(struct seq_file *m, void *v) { struct resource *root = m->private; struct resource *r = v, *p; + unsigned long long start, end; int width = root->end < 0x10000 ? 4 : 8; int depth; for (depth = 0, p = r; depth < MAX_IORES_LEVEL; depth++, p = p->parent) if (p->parent == root) break; + + if (file_ns_capable(m->file, &init_user_ns, CAP_SYS_ADMIN)) { + start = r->start; + end = r->end; + } else { + start = end = 0; + } + seq_printf(m, "%*s%0*llx-%0*llx : %s\n", depth * 2, "", - width, (unsigned long long) r->start, - width, (unsigned long long) r->end, + width, start, + width, end, r->name ? r->name : "<BAD>"); return 0; } |