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b548114f59
This series is based on https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg01787.html, and was kindly brought up by David Gilbert. Fixes: #1361 Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From c013c9a1d796d1feae143f02b3c654f0a42f7055 Mon Sep 17 00:00:00 2001
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From: Greg Kurz <groug@kaod.org>
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Date: Thu, 4 Feb 2021 20:24:28 +0100
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Subject: [PATCH] virtiofsd: Add restart_syscall to the seccomp whitelist
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This is how linux restarts some system calls after SIGSTOP/SIGCONT.
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This is needed to avoid virtiofsd termination when resuming execution
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under GDB for example.
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Signed-off-by: Greg Kurz <groug@kaod.org>
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Message-Id: <20210201193305.136390-1-groug@kaod.org>
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Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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---
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tools/virtiofsd/seccomp.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/tools/virtiofsd/seccomp.c b/tools/virtiofsd/seccomp.c
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index 57642ff8..004f5026 100644
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--- a/tools/virtiofsd/seccomp.c
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+++ b/tools/virtiofsd/seccomp.c
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@@ -91,6 +91,7 @@ static const int syscall_whitelist[] = {
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SCMP_SYS(renameat),
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SCMP_SYS(renameat2),
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SCMP_SYS(removexattr),
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+ SCMP_SYS(restart_syscall),
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SCMP_SYS(rt_sigaction),
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SCMP_SYS(rt_sigprocmask),
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SCMP_SYS(rt_sigreturn),
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--
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2.29.2
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