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Merge tag 'locking-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull locking fix from Ingo Molnar:
 "Fix lockdep block chain corruption resulting in KASAN warnings"

* tag 'locking-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  lockdep: Fix block chain corruption
This commit is contained in:
Linus Torvalds
2023-11-26 08:30:11 -08:00
parent 4515866db1 bca4104b00
commit 1d0dbc3d16
1 changed files with 2 additions and 1 deletions
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kernel/locking/lockdep.c
+2 -1
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@@ -3497,7 +3497,8 @@ static int alloc_chain_hlocks(int req)
size = chain_block_size(curr);
if (likely(size >= req)) {
del_chain_block(0, size, chain_block_next(curr));
add_chain_block(curr + req, size - req);
if (size > req)
add_chain_block(curr + req, size - req);
return curr;
}
}