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[bug #58026] icmpv6 packet too big: mtu incorrectly formatted using %d i
From: |
anonymous |
Subject: |
[bug #58026] icmpv6 packet too big: mtu incorrectly formatted using %d instead of %u? |
Date: |
Mon, 23 Mar 2020 04:16:46 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.5 Safari/605.1.15 |
URL:
<https://savannah.gnu.org/bugs/?58026>
Summary: icmpv6 packet too big: mtu incorrectly formatted
using %d instead of %u?
Project: GNU Networking Utilities
Submitted by: None
Submitted on: Mon 23 Mar 2020 08:16:45 AM UTC
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
I originally sent this to address@hidden but I noticed that you have a
tracker here, too. Sorry if this becomes a double-submission.
I just stumbled over this last friday:
root@fc60 [prod] ~ # ping6 -s 1445 rzob-router.gocept.net
PING rzob-router.gocept.net (2a02:248:101:63::1): 1445 data bytes
1240 bytes from 2a02:238:1:f030::2: Packet too big, mtu=-737869824
Looking at the code this seems to be a formatting issue where ping is using a
%d instead of %u for an unsigned 32 bit integer.
I guess nobody really does send this big MTUs so it doesn’t normally matter,
but my ISP is doing funny things today … le sigh.
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