dm raid1: reserve space for NUL-terminator in build_constructor_string()

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Reserve space for the termination NUL after the maximum 20 decimal
digits of a long long value to avoid buffer overflow in sprintf().

Fixes: f5db4af466 ("dm raid1: add userspace log")
Cc: stable@vger.kernel.org
Signed-off-by: Ilya Krutskih <devsec@tpz.ru>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

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Ilya Krutskih 2026-07-19 13:01:03 +00:00 • committed by Mikulas Patocka

parent 4cf795dd0e

commit 73c37fe54c

1 changed files with 1 additions and 0 deletions

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drivers/md/dm-log-userspace-base.c

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