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2d6f45b802
After calling radix_tree_iter_retry(), 'slot' will be set to NULL. This can cause radix_tree_next_slot() to dereference the NULL pointer. Add Konstantin Khlebnikov's test to the regression framework. Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com> Reported-by: Konstantin Khlebnikov <koct9i@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
35 lines
758 B
C
35 lines
758 B
C
#ifndef _KERNEL_H
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#define _KERNEL_H
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#include <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <limits.h>
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#ifndef NULL
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#define NULL 0
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#endif
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#define BUG_ON(expr) assert(!(expr))
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#define __init
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#define __must_check
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#define panic(expr)
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#define printk printf
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#define __force
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#define likely(c) (c)
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#define unlikely(c) (c)
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#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
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#define container_of(ptr, type, member) ({ \
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const typeof( ((type *)0)->member ) *__mptr = (ptr); \
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(type *)( (char *)__mptr - offsetof(type, member) );})
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#define min(a, b) ((a) < (b) ? (a) : (b))
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static inline int in_interrupt(void)
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{
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return 0;
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}
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#endif /* _KERNEL_H */
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