diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 2 | ||||
| -rw-r--r-- | lib/mpi/mpiutil.c | 2 | ||||
| -rw-r--r-- | lib/once.c | 11 | ||||
| -rw-r--r-- | lib/test_bpf.c | 13 | ||||
| -rw-r--r-- | lib/test_stackinit.c | 20 |
5 files changed, 27 insertions, 21 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index ffccc13d685b..bf174798afcb 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1869,7 +1869,7 @@ config KCOV depends on CC_HAS_SANCOV_TRACE_PC || GCC_PLUGINS select DEBUG_FS select GCC_PLUGIN_SANCOV if !CC_HAS_SANCOV_TRACE_PC - select SKB_EXTENSIONS + select SKB_EXTENSIONS if NET help KCOV exposes kernel code coverage information in a form suitable for coverage-guided fuzzing (randomized testing). diff --git a/lib/mpi/mpiutil.c b/lib/mpi/mpiutil.c index 3c63710c20c6..e6c4b3180ab1 100644 --- a/lib/mpi/mpiutil.c +++ b/lib/mpi/mpiutil.c @@ -148,7 +148,7 @@ int mpi_resize(MPI a, unsigned nlimbs) return 0; /* no need to do it */ if (a->d) { - p = kmalloc_array(nlimbs, sizeof(mpi_limb_t), GFP_KERNEL); + p = kcalloc(nlimbs, sizeof(mpi_limb_t), GFP_KERNEL); if (!p) return -ENOMEM; memcpy(p, a->d, a->alloced * sizeof(mpi_limb_t)); diff --git a/lib/once.c b/lib/once.c index 8b7d6235217e..59149bf3bfb4 100644 --- a/lib/once.c +++ b/lib/once.c @@ -3,10 +3,12 @@ #include <linux/spinlock.h> #include <linux/once.h> #include <linux/random.h> +#include <linux/module.h> struct once_work { struct work_struct work; struct static_key_true *key; + struct module *module; }; static void once_deferred(struct work_struct *w) @@ -16,10 +18,11 @@ static void once_deferred(struct work_struct *w) work = container_of(w, struct once_work, work); BUG_ON(!static_key_enabled(work->key)); static_branch_disable(work->key); + module_put(work->module); kfree(work); } -static void once_disable_jump(struct static_key_true *key) +static void once_disable_jump(struct static_key_true *key, struct module *mod) { struct once_work *w; @@ -29,6 +32,8 @@ static void once_disable_jump(struct static_key_true *key) INIT_WORK(&w->work, once_deferred); w->key = key; + w->module = mod; + __module_get(mod); schedule_work(&w->work); } @@ -53,11 +58,11 @@ bool __do_once_start(bool *done, unsigned long *flags) EXPORT_SYMBOL(__do_once_start); void __do_once_done(bool *done, struct static_key_true *once_key, - unsigned long *flags) + unsigned long *flags, struct module *mod) __releases(once_lock) { *done = true; spin_unlock_irqrestore(&once_lock, *flags); - once_disable_jump(once_key); + once_disable_jump(once_key, mod); } EXPORT_SYMBOL(__do_once_done); diff --git a/lib/test_bpf.c b/lib/test_bpf.c index ca7d635bccd9..4a9137c8551a 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -4286,8 +4286,8 @@ static struct bpf_test tests[] = { .u.insns_int = { BPF_LD_IMM64(R0, 0), BPF_LD_IMM64(R1, 0xffffffffffffffffLL), - BPF_STX_MEM(BPF_W, R10, R1, -40), - BPF_LDX_MEM(BPF_W, R0, R10, -40), + BPF_STX_MEM(BPF_DW, R10, R1, -40), + BPF_LDX_MEM(BPF_DW, R0, R10, -40), BPF_EXIT_INSN(), }, INTERNAL, @@ -6664,7 +6664,14 @@ static int run_one(const struct bpf_prog *fp, struct bpf_test *test) u64 duration; u32 ret; - if (test->test[i].data_size == 0 && + /* + * NOTE: Several sub-tests may be present, in which case + * a zero {data_size, result} tuple indicates the end of + * the sub-test array. The first test is always run, + * even if both data_size and result happen to be zero. + */ + if (i > 0 && + test->test[i].data_size == 0 && test->test[i].result == 0) break; diff --git a/lib/test_stackinit.c b/lib/test_stackinit.c index f93b1e145ada..16b1d3a3a497 100644 --- a/lib/test_stackinit.c +++ b/lib/test_stackinit.c @@ -67,10 +67,10 @@ static bool range_contains(char *haystack_start, size_t haystack_size, #define INIT_STRUCT_none /**/ #define INIT_STRUCT_zero = { } #define INIT_STRUCT_static_partial = { .two = 0, } -#define INIT_STRUCT_static_all = { .one = arg->one, \ - .two = arg->two, \ - .three = arg->three, \ - .four = arg->four, \ +#define INIT_STRUCT_static_all = { .one = 0, \ + .two = 0, \ + .three = 0, \ + .four = 0, \ } #define INIT_STRUCT_dynamic_partial = { .two = arg->two, } #define INIT_STRUCT_dynamic_all = { .one = arg->one, \ @@ -84,8 +84,7 @@ static bool range_contains(char *haystack_start, size_t haystack_size, var.one = 0; \ var.two = 0; \ var.three = 0; \ - memset(&var.four, 0, \ - sizeof(var.four)) + var.four = 0 /* * @name: unique string name for the test @@ -210,18 +209,13 @@ struct test_small_hole { unsigned long four; }; -/* Try to trigger unhandled padding in a structure. */ -struct test_aligned { - u32 internal1; - u64 internal2; -} __aligned(64); - +/* Trigger unhandled padding in a structure. */ struct test_big_hole { u8 one; u8 two; u8 three; /* 61 byte padding hole here. */ - struct test_aligned four; + u8 four __aligned(64); } __aligned(64); struct test_trailing_hole { |