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authorŠtěpán Němec <snemec@redhat.com>2021-10-20 14:42:20 +0200
committerPhil Sutter <phil@nwl.cc>2021-10-20 15:11:47 +0200
commitd8ccad2a2b73c4189934eb5fd0e3d096699b5043 (patch)
tree8a4f37e6fcae40d41ecfb2cab3008a68c2558986 /tests
parent2139913694a9850c9160920b2c638aac4828f9bb (diff)
tests: cover baecd1cf2685 ("segtree: Fix segfault when restoring a huge interval set")
Test inspired by [1] with both the set and stack size reduced by the same power of 2, to preserve the (pre-baecd1cf2685) segfault on one hand, and make the test successfully complete (post-baecd1cf2685) in a few seconds even on weaker hardware on the other. (The reason I stopped at 128kB stack size is that with 64kB I was getting segfaults even with baecd1cf2685 applied.) [1] https://bugzilla.redhat.com/show_bug.cgi?id=1908127 Signed-off-by: Štěpán Němec <snemec@redhat.com> Helped-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Phil Sutter <phil@nwl.cc>
Diffstat (limited to 'tests')
-rwxr-xr-xtests/shell/testcases/sets/0068interval_stack_overflow_029
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/shell/testcases/sets/0068interval_stack_overflow_0 b/tests/shell/testcases/sets/0068interval_stack_overflow_0
new file mode 100755
index 00000000..134282de
--- /dev/null
+++ b/tests/shell/testcases/sets/0068interval_stack_overflow_0
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -e
+
+ruleset_file=$(mktemp)
+
+trap 'rm -f "$ruleset_file"' EXIT
+
+{
+ echo 'define big_set = {'
+ for ((i = 1; i < 255; i++)); do
+ for ((j = 1; j < 80; j++)); do
+ echo "10.0.$i.$j,"
+ done
+ done
+ echo '10.1.0.0/24 }'
+} >"$ruleset_file"
+
+cat >>"$ruleset_file" <<\EOF
+table inet test68_table {
+ set test68_set {
+ type ipv4_addr
+ flags interval
+ elements = { $big_set }
+ }
+}
+EOF
+
+( ulimit -s 128 && "$NFT" -f "$ruleset_file" )