bsnmpd: use MSG_NOSIGNAL when doing send(2) on a local socket
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Authored by glebius on Jul 16 2025, 6:02 PM.

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rG9b588ef15f47: bsnmpd: use MSG_NOSIGNAL when doing send(2) on a local socket

Summary

Otherwise in unix/stream mode a disconnected client will crash the
server.

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 65493
Build 62376: arc lint + arc unit

Event Timeline

glebius created this revision.Jul 16 2025, 6:02 PM

Herald added a subscriber: imp. · View Herald TranscriptJul 16 2025, 6:02 PM

glebius requested review of this revision.Jul 16 2025, 6:02 PM

Harbormaster completed remote builds in B65493: Diff 158625.Jul 16 2025, 6:02 PM

glebius added a child revision: D51356: bsnmpd: in debugging mode (-d) use default library print/error functions.Jul 16 2025, 6:02 PM

Good catch.

This revision is now accepted and ready to land.Jul 17 2025, 10:03 AM

Closed by commit rG9b588ef15f47: bsnmpd: use MSG_NOSIGNAL when doing send(2) on a local socket (authored by glebius). · Explain WhyJul 17 2025, 4:03 PM

This revision was automatically updated to reflect the committed changes.

glebius added a commit: rG9b588ef15f47: bsnmpd: use MSG_NOSIGNAL when doing send(2) on a local socket.

Revision Contents
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Path

Size

contrib/

bsnmp/

snmpd/

trans_lsock.c

2 lines

Diff 158625

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contrib/bsnmp/snmpd/trans_lsock.c

bsnmpd: use MSG_NOSIGNAL when doing send(2) on a local socketClosedPublicActions