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Two fixes: fix an off-by-one bug, and fix 32-bit builds on 64-bit systems. 

Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fixes from Ingo Molnar:
 "Two fixes: fix an off-by-one bug, and fix 32-bit builds on 64-bit
  systems"

* tag 'objtool-urgent-2020-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix off-by-one in symbol_by_offset()
  objtool: Fix 32bit cross builds
This commit is contained in:
Linus Torvalds 2020-04-25 11:52:02 -07:00
parent ab51cac00e 7f9b34f36c
commit 9b3e59e3de
2 changed files with 2 additions and 2 deletions
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2
tools/objtool/elf.c
View File

@ -105,7 +105,7 @@ static int symbol_by_offset(const void *key, const struct rb_node *node)
if (*o < s->offset)
return -1;
if (*o > s->offset + s->len)
if (*o >= s->offset + s->len)
return 1;
return 0;

2
tools/objtool/elf.h
View File

@ -99,7 +99,7 @@ static inline u32 sec_offset_hash(struct section *sec, unsigned long offset)
offset &= OFFSET_STRIDE_MASK;
ol = offset;
oh = offset >> 32;
oh = (offset >> 16) >> 16;
__jhash_mix(ol, oh, idx);