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leaking_addresses: Always print a trailing newline

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[ Upstream commit cf2a85efdade117e2169d6e26641016cbbf03ef0 ]

For files that lack trailing newlines and match a leaking address (e.g.
wchan[1]), the leaking_addresses.pl report would run together with the
next line, making things look corrupted.

Unconditionally remove the newline on input, and write it back out on
output.

[1] https://lore.kernel.org/all/20210103142726.GC30643@xsang-OptiPlex-9020/

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20211008111626.151570317@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kees Cook 2021-09-29 15:02:18 -07:00 committed by Greg Kroah-Hartman
parent 63c3c7b699
commit 2226ad0314
1 changed files with 2 additions and 1 deletions
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3
scripts/leaking_addresses.pl
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@ -455,8 +455,9 @@ sub parse_file
open my $fh, "<", $file or return;
while ( <$fh> ) {
chomp;
if (may_leak_address($_)) {
print $file . ': ' . $_;
printf("$file: $_\n");
}
}
close $fh;