x_tables errors may flood dmesg
Bug #1935837 reported by
Thadeu Lima de Souza Cascardo
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bionic |
In Progress
|
Low
|
Thadeu Lima de Souza Cascardo |
Bug Description
[Impact]
User may spam dmesg with a lot of error messages.
[Fix]
ratelimit these error messages.
[Test case]
Run a test program that tries to create a mismatched x_tables entry in a loop. Watch for dmesg.
[Potential regression]
Error messages may be missed.
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commit 1b6cd67191e16a6 6f69c9881d87820 4c3143f03f ("netfilter: x_tables: use pr ratelimiting in xt core") should be backported.