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From: Greg Kurz <groug@kaod.org>
To: qemu-devel@nongnu.org
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>, Greg Kurz <groug@kaod.org>
Subject: [PATCH] virtiofsd: Add _llseek to the seccomp whitelist
Date: Thu, 21 Jan 2021 18:15:40 +0100	[thread overview]
Message-ID: <20210121171540.1449777-1-groug@kaod.org> (raw)

This is how glibc implements lseek(2) on POWER.

BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1917692
Signed-off-by: Greg Kurz <groug@kaod.org>
---
 tools/virtiofsd/passthrough_seccomp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c
index a60d7da4b4e2..1ecf5bf318b3 100644
--- a/tools/virtiofsd/passthrough_seccomp.c
+++ b/tools/virtiofsd/passthrough_seccomp.c
@@ -65,6 +65,7 @@ static const int syscall_whitelist[] = {
     SCMP_SYS(linkat),
     SCMP_SYS(listxattr),
     SCMP_SYS(lseek),
+    SCMP_SYS(_llseek), /* For POWER */
     SCMP_SYS(madvise),
     SCMP_SYS(mkdirat),
     SCMP_SYS(mknodat),
-- 
2.26.2



             reply	other threads:[~2021-01-21 17:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-21 17:15 Greg Kurz [this message]
2021-01-21 17:35 ` [PATCH] virtiofsd: Add _llseek to the seccomp whitelist Dr. David Alan Gilbert
2021-01-21 17:57   ` Greg Kurz
2021-01-21 18:07     ` Dr. David Alan Gilbert

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