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Revert "coredump: Remove the WARN_ON in dump_vma_snapshot"

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This reverts commit 7ba958df64.

It breaks the kernel abi so revert it for now.  We will add it back
later at the next kabi update.

Bug: 161946584
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I594a8403ac897c8aef507f7421ed8ff80935b267
This commit is contained in:
Greg Kroah-Hartman
2022-04-12 17:59:47 +02:00
parent 0c5b51622c
commit c31598eb0b
1 changed files with 6 additions and 0 deletions
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6
fs/coredump.c
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@@ -1151,6 +1151,12 @@ static bool dump_vma_snapshot(struct coredump_params *cprm)
mmap_write_unlock(mm); mmap_write_unlock(mm);
if (WARN_ON(i != cprm->vma_count)) {
kvfree(cprm->vma_meta);
return false;
}
for (i = 0; i < cprm->vma_count; i++) { for (i = 0; i < cprm->vma_count; i++) {
struct core_vma_metadata *m = cprm->vma_meta + i; struct core_vma_metadata *m = cprm->vma_meta + i;