flatpak/backport-Fix-handling-of-syscalls-only-allowed-by-de.patch

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2021-10-20 17:17:20 +08:00
From 3fc8c672676ae016f8e7cc90481b2feecbad9861 Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Fri, 8 Oct 2021 19:00:13 +0100
Subject: [PATCH] Fix handling of syscalls only allowed by --devel
This was incorrectly looking at errno instead of -r.
Fixes: 0b38b0f0 "run: Handle unknown syscalls as intended"
Signed-off-by: Simon McVittie <smcv@collabora.com>
Conflict:NA
Reference:https://github.com/flatpak/flatpak/commit/3fc8c672676ae016f8e7cc90481b2feecbad9861
---
common/flatpak-run.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/common/flatpak-run.c b/common/flatpak-run.c
index a416f1b..69eabc0 100644
--- a/common/flatpak-run.c
+++ b/common/flatpak-run.c
@@ -2988,7 +2988,7 @@ setup_seccomp (FlatpakBwrap *bwrap,
r = seccomp_rule_add (seccomp, SCMP_ACT_ERRNO (errnum), scall, 0);
/* See above for the meaning of EFAULT. */
- if (errno == EFAULT)
+ if (r == -EFAULT)
flatpak_debug2 ("Unable to block syscall %d: syscall not known to libseccomp?",
scall);
else if (r < 0)
--
2.27.0