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| author | Ingo Molnar <mingo@kernel.org> | 2017-04-14 10:29:40 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-04-14 10:29:40 +0200 |
| commit | 0ba78a95a6629975ff16545ae868fa1bb38f786a (patch) | |
| tree | bb51f571bb187bc10f3a9639789afd4cf49b5b27 /lib | |
| parent | def34eaae5ce04b324e48e1bfac873091d945213 (diff) | |
| parent | a232591ba289a1a397e0005c9f276a126c1bc1b1 (diff) | |
| download | linux-stable-0ba78a95a6629975ff16545ae868fa1bb38f786a.tar.gz linux-stable-0ba78a95a6629975ff16545ae868fa1bb38f786a.tar.bz2 linux-stable-0ba78a95a6629975ff16545ae868fa1bb38f786a.zip | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/syscall.c | 1 | ||||
| -rw-r--r-- | lib/test_kasan.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/syscall.c b/lib/syscall.c index 17d5ff5fa6a3..2c6cd1b5c3ea 100644 --- a/lib/syscall.c +++ b/lib/syscall.c @@ -12,6 +12,7 @@ static int collect_syscall(struct task_struct *target, long *callno, if (!try_get_task_stack(target)) { /* Task has no stack, so the task isn't in a syscall. */ + *sp = *pc = 0; *callno = -1; return 0; } diff --git a/lib/test_kasan.c b/lib/test_kasan.c index 0b1d3140fbb8..a25c9763fce1 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -20,6 +20,7 @@ #include <linux/string.h> #include <linux/uaccess.h> #include <linux/module.h> +#include <linux/kasan.h> /* * Note: test functions are marked noinline so that their names appear in @@ -474,6 +475,12 @@ static noinline void __init use_after_scope_test(void) static int __init kmalloc_tests_init(void) { + /* + * Temporarily enable multi-shot mode. Otherwise, we'd only get a + * report for the first case. + */ + bool multishot = kasan_save_enable_multi_shot(); + kmalloc_oob_right(); kmalloc_oob_left(); kmalloc_node_oob_right(); @@ -499,6 +506,9 @@ static int __init kmalloc_tests_init(void) ksize_unpoisons_memory(); copy_user_test(); use_after_scope_test(); + + kasan_restore_multi_shot(multishot); + return -EAGAIN; } |