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| author | Alexander Bluhm <bluhm@cvs.openbsd.org> | 2016-06-13 21:24:44 +0000 |
|---|---|---|
| committer | Alexander Bluhm <bluhm@cvs.openbsd.org> | 2016-06-13 21:24:44 +0000 |
| commit | 88d86ab5cf5a292a5ed3e5003bfb8172d6787116 (patch) | |
| tree | fdfebb072738d75bd7cbabf51ed63c09927d9c95 /gnu | |
| parent | 6c049eef8f288bea7deaa6dc9bc2672f93802b3f (diff) | |
On localhost a user program may create a socket splicing loop.
After writing data into this loop, it was spinning forever causing
a kernel hang. Detect the loop by counting how often the same mbuf
is spliced. If that happens 128 times, assume that there is a loop
and abort the splicing with ELOOP.
Bug found by tedu@; OK tedu@ millert@ benno@
Diffstat (limited to 'gnu')
0 files changed, 0 insertions, 0 deletions