From: Dominik Csapak <d.csapak@proxmox.com>
To: pbs-devel@lists.proxmox.com
Subject: [pbs-devel] [PATCH proxmox-backup] tape: mam: actually enforcing the length when writing attributes
Date: Thu, 23 May 2024 12:08:00 +0200 [thread overview]
Message-ID: <20240523100800.3969965-1-d.csapak@proxmox.com> (raw)
we have to check against the length of the attribute, not the u16
maximum value.
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
pbs-tape/src/sg_tape/mam.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/pbs-tape/src/sg_tape/mam.rs b/pbs-tape/src/sg_tape/mam.rs
index 4e995d0b..dc5163a5 100644
--- a/pbs-tape/src/sg_tape/mam.rs
+++ b/pbs-tape/src/sg_tape/mam.rs
@@ -169,7 +169,7 @@ pub fn write_mam_attribute<F: AsRawFd>(
attr_data.extend(data);
if !data.is_empty() && data.len() < attribute.len as usize {
attr_data.resize(attr_data.len() - data.len() + attribute.len as usize, 0);
- } else if data.len() > u16::MAX as usize {
+ } else if data.len() > attribute.len as usize {
bail!("data to long");
}
--
2.39.2
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next reply other threads:[~2024-05-23 10:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-23 10:08 Dominik Csapak [this message]
2024-05-24 7:50 ` Thomas Lamprecht
2024-05-24 8:19 ` Dominik Csapak
2024-05-24 8:26 ` Thomas Lamprecht
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