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From 7706a5f2d35c6192a557fe7a72f76ea4e2591daf Mon Sep 17 00:00:00 2001
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From: Nick Rosbrook <nick.rosbrook@canonical.com>
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Date: Tue, 22 Nov 2022 11:30:03 -0500
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Subject: [PATCH] oomd: fix unreachable test case in test-oomd-util
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This conditional with !empty_or_root(ctx->path) always returns false
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because the most recent oomd_cgroup_context_acquire() call was with the
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root cgroup. Make sure this test case can be reached by checking cgroup
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instead of ctx->path.
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While here, use an unused uid (61183) instead of the nobody uid so the
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test case does not fail in unprivileged LXD containers.
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(cherry picked from commit f05bcc18941eef5c2f93cfa06660eb06e0dc4c55)
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Related: #2138081
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---
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src/oom/test-oomd-util.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/oom/test-oomd-util.c b/src/oom/test-oomd-util.c
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index 176e3a8d69..faa75c5578 100644
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--- a/src/oom/test-oomd-util.c
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+++ b/src/oom/test-oomd-util.c
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@@ -475,9 +475,9 @@ static void test_oomd_fetch_cgroup_oom_preference(void) {
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/* Assert that avoid/omit are not set if the cgroup and prefix are not
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* owned by the same user.*/
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- if (test_xattrs && !empty_or_root(ctx->path)) {
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+ if (test_xattrs && !empty_or_root(cgroup)) {
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ctx = oomd_cgroup_context_free(ctx);
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- assert_se(cg_set_access(SYSTEMD_CGROUP_CONTROLLER, cgroup, 65534, 0) >= 0);
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+ assert_se(cg_set_access(SYSTEMD_CGROUP_CONTROLLER, cgroup, 61183, 0) >= 0);
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assert_se(oomd_cgroup_context_acquire(cgroup, &ctx) == 0);
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assert_se(oomd_fetch_cgroup_oom_preference(ctx, NULL) == 0);
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