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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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bef459026b
Test whether the kernel WARN()s when, under KERNEL_DS, a bad kernel pointer is used as "userspace" pointer. Should normally be used in "DIRECT" mode. Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Kees Cook <keescook@chromium.org> Acked-by: Kees Cook <keescook@chromium.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: kernel-hardening@lists.openwall.com Cc: dvyukov@google.com Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: linux-fsdevel@vger.kernel.org Cc: Borislav Petkov <bp@alien8.de> Link: https://lkml.kernel.org/r/20180828201421.157735-8-jannh@google.com
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LKDTM_H
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#define __LKDTM_H
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#define pr_fmt(fmt) "lkdtm: " fmt
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#include <linux/kernel.h>
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/* lkdtm_bugs.c */
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void __init lkdtm_bugs_init(int *recur_param);
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void lkdtm_PANIC(void);
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void lkdtm_BUG(void);
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void lkdtm_WARNING(void);
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void lkdtm_EXCEPTION(void);
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void lkdtm_LOOP(void);
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void lkdtm_OVERFLOW(void);
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void lkdtm_CORRUPT_STACK(void);
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void lkdtm_CORRUPT_STACK_STRONG(void);
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void lkdtm_UNALIGNED_LOAD_STORE_WRITE(void);
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void lkdtm_SOFTLOCKUP(void);
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void lkdtm_HARDLOCKUP(void);
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void lkdtm_SPINLOCKUP(void);
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void lkdtm_HUNG_TASK(void);
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void lkdtm_CORRUPT_LIST_ADD(void);
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void lkdtm_CORRUPT_LIST_DEL(void);
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void lkdtm_CORRUPT_USER_DS(void);
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void lkdtm_STACK_GUARD_PAGE_LEADING(void);
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void lkdtm_STACK_GUARD_PAGE_TRAILING(void);
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/* lkdtm_heap.c */
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void lkdtm_OVERWRITE_ALLOCATION(void);
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void lkdtm_WRITE_AFTER_FREE(void);
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void lkdtm_READ_AFTER_FREE(void);
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void lkdtm_WRITE_BUDDY_AFTER_FREE(void);
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void lkdtm_READ_BUDDY_AFTER_FREE(void);
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/* lkdtm_perms.c */
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void __init lkdtm_perms_init(void);
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void lkdtm_WRITE_RO(void);
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void lkdtm_WRITE_RO_AFTER_INIT(void);
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void lkdtm_WRITE_KERN(void);
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void lkdtm_EXEC_DATA(void);
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void lkdtm_EXEC_STACK(void);
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void lkdtm_EXEC_KMALLOC(void);
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void lkdtm_EXEC_VMALLOC(void);
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void lkdtm_EXEC_RODATA(void);
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void lkdtm_EXEC_USERSPACE(void);
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void lkdtm_ACCESS_USERSPACE(void);
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/* lkdtm_refcount.c */
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void lkdtm_REFCOUNT_INC_OVERFLOW(void);
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void lkdtm_REFCOUNT_ADD_OVERFLOW(void);
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void lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW(void);
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void lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW(void);
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void lkdtm_REFCOUNT_DEC_ZERO(void);
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void lkdtm_REFCOUNT_DEC_NEGATIVE(void);
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void lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE(void);
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void lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE(void);
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void lkdtm_REFCOUNT_INC_ZERO(void);
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void lkdtm_REFCOUNT_ADD_ZERO(void);
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void lkdtm_REFCOUNT_INC_SATURATED(void);
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void lkdtm_REFCOUNT_DEC_SATURATED(void);
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void lkdtm_REFCOUNT_ADD_SATURATED(void);
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void lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED(void);
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void lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED(void);
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void lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED(void);
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void lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED(void);
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void lkdtm_REFCOUNT_TIMING(void);
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void lkdtm_ATOMIC_TIMING(void);
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/* lkdtm_rodata.c */
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void lkdtm_rodata_do_nothing(void);
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/* lkdtm_usercopy.c */
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void __init lkdtm_usercopy_init(void);
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void __exit lkdtm_usercopy_exit(void);
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void lkdtm_USERCOPY_HEAP_SIZE_TO(void);
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void lkdtm_USERCOPY_HEAP_SIZE_FROM(void);
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void lkdtm_USERCOPY_HEAP_WHITELIST_TO(void);
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void lkdtm_USERCOPY_HEAP_WHITELIST_FROM(void);
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void lkdtm_USERCOPY_STACK_FRAME_TO(void);
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void lkdtm_USERCOPY_STACK_FRAME_FROM(void);
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void lkdtm_USERCOPY_STACK_BEYOND(void);
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void lkdtm_USERCOPY_KERNEL(void);
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void lkdtm_USERCOPY_KERNEL_DS(void);
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#endif
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