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Bug #15481

closed

File descriptor leak in ``bsnmpd``

Added by Kristof Provost 8 months ago. Updated about 2 months ago.

Status:
Resolved
Priority:
Normal
Assignee:
Kristof Provost
Category:
SNMP
Target version:
2.8.0
Start date:
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
24.11
Release Notes:
Default
Affected Version:
Affected Architecture:
All

Description

A user reports seeing an unusual increase in the number of running processes.
The extra processes are all kernel/netlink_socket.

The user very helpfully narrowed this down to being caused by bsnmpd, and there's an obvious issue (with the benefit of hindsight, at least) in libpfctl's pfctl_get_rules_info() implementation. It opens a netlink socket, but fails to close it again.

See https://forum.netgate.com/topic/188050/24-03-causes-sustained-rise-in-processes-count-and-memory-usage for the full discussion.

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 #2

Updated by Kristof Provost 8 months ago

  • Status changed from New to Feedback

And that's been merged to our branches.

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 #3

Updated by Jim Pingle 7 months ago

  • Plus Target Version changed from 24.07 to 24.08
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 #4

Updated by Jim Pingle 3 months ago

  • Subject changed from bsnmpd: file descriptor leak to File descriptor leak in ``bsnmpd``
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 #5

Updated by Jim Pingle 3 months ago

  • Plus Target Version changed from 24.08 to 24.11
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 #6

Updated by Jim Pingle about 2 months ago

  • Status changed from Feedback to Resolved
  • % Done changed from 0 to 100

Patch has been in for a while and there have been public builds since. No further reports and no reports of other regressions, so I think we can call this solved for now. If someone hits the same problem again we can reopen/retarget the issue.

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