From: Felix Janda <felix.janda@posteo.de>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] linux-user: translate resource also for prlimit64
Date: Tue, 2 Dec 2014 22:11:17 +0100 [thread overview]
Message-ID: <20141202211117.GA5560@euler> (raw)
The resource argument is translated from host to target for
[gs]etprlimit but not for prlimit64. Fix this.
Signed-off-by: Felix Janda <felix.janda@posteo.de>
---
linux-user/syscall.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index aaac6a2..5658b66 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -9529,6 +9529,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
/* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
struct target_rlimit64 *target_rnew, *target_rold;
struct host_rlimit64 rnew, rold, *rnewp = 0;
+ int resource = target_to_host_resource(arg2);
if (arg3) {
if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
goto efault;
@@ -9539,7 +9540,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
rnewp = &rnew;
}
- ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
+ ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
if (!is_error(ret) && arg4) {
if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
goto efault;
--
2.0.4
next reply other threads:[~2014-12-02 21:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-02 21:11 Felix Janda [this message]
2014-12-11 21:05 ` [Qemu-devel] linux-user: translate resource also for prlimit64 Felix Janda
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