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It can be accessed and reviewed at: https://github.com/lxc/lxc/pull/3540
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=== Description (from pull-request) ===
… EPERM
```
FAIL: lxc-tests: lxc-test-usernsexec (1s)
---
as test-userns executing /tmp/autopkgtest.waGEXj/build.Hm3/src/src/tests/lxc-test-usernsexec
uid=1001 gid=1001 name=test-userns subuid=165536 subgid=165536 ver=1:4.0.4-0ubuntu3
lxc-utils=1:4.0.4-0ubuntu3 kver=5.8.0-19-generic
USERNSEXEC=lxc-usernsexec
nouidgid: PASS
myuidgid: FAIL - runtest failed 1
$ lxc-usernsexec -mu:0:1001:1 -mg:0:1001:1 -- /tmp/autopkgtest.waGEXj/build.Hm3/src/src/tests/lxc-test-usernsexec inside f0
lxc 20200914222824.562 ERROR utils - utils.c:lxc_setgroups:1363 - Operation not permitted - Failed to setgroups()
kid 73112 is gone 1
subuidgid: PASS
bothsets: PASS
mismatch: PASS
ERRORS: myuidgid
---
```
Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com>
From d4b725ac8b561f1339b99fa01bcc287e8bc47221 Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brau...@ubuntu.com>
Date: Thu, 17 Sep 2020 17:44:26 +0200
Subject: [PATCH] lxc-usernsexec: setgroups() similar to other places shouldn't
fail on EPERM
FAIL: lxc-tests: lxc-test-usernsexec (1s)
---
as test-userns executing
/tmp/autopkgtest.waGEXj/build.Hm3/src/src/tests/lxc-test-usernsexec
uid=1001 gid=1001 name=test-userns subuid=165536 subgid=165536
ver=1:4.0.4-0ubuntu3
lxc-utils=1:4.0.4-0ubuntu3 kver=5.8.0-19-generic
USERNSEXEC=lxc-usernsexec
nouidgid: PASS
myuidgid: FAIL - runtest failed 1
$ lxc-usernsexec -mu:0:1001:1 -mg:0:1001:1 --
/tmp/autopkgtest.waGEXj/build.Hm3/src/src/tests/lxc-test-usernsexec inside f0
lxc 20200914222824.562 ERROR utils - utils.c:lxc_setgroups:1363 -
Operation not permitted - Failed to setgroups()
kid 73112 is gone 1
subuidgid: PASS
bothsets: PASS
mismatch: PASS
ERRORS: myuidgid
---
Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com>
---
src/lxc/cmd/lxc_usernsexec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/lxc/cmd/lxc_usernsexec.c b/src/lxc/cmd/lxc_usernsexec.c
index 5c12dad3b8..c22a33bb41 100644
--- a/src/lxc/cmd/lxc_usernsexec.c
+++ b/src/lxc/cmd/lxc_usernsexec.c
@@ -88,7 +88,7 @@ static int do_child(void *vargv)
int ret;
char **argv = (char **)vargv;
- if (!lxc_setgroups(0, NULL))
+ if (!lxc_setgroups(0, NULL) && errno != EPERM)
return -1;
/* Assume we want to become root */
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