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fix: probably UB (left shift of neg. val) in ip_tree code #3542

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Merged
airween merged 1 commit into from
Apr 13, 2026
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fix: probably UB (left shift of neg. val) in ip_tree code #3542

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2 changes: 1 addition & 1 deletion apache2/msc_tree.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ typedef struct TreeRoot TreeRoot;

#define TREE_CHECK(x, y) ((x) & (y))
#define MASK_BITS(x) ((x + 1) * 8)
#define SHIFT_LEFT_MASK(x) ((-1) << (x))
#define SHIFT_LEFT_MASK(x) ((int)(~0U << (x)))
#define SHIFT_RIGHT_MASK(x,y) ((x) >> (y))

#define NETMASK_256 0x100
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