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[Qemu-devel] [V2 PATCH 08/12] linux-user: Detect fault in sched_rr_get_i
From: |
Tom Musta |
Subject: |
[Qemu-devel] [V2 PATCH 08/12] linux-user: Detect fault in sched_rr_get_interval |
Date: |
Tue, 12 Aug 2014 13:53:39 -0500 |
Properly detect a fault when attempting to store into an invalid
struct timespec pointer.
Signed-off-by: Tom Musta <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
V2: Peter has observed that there are other call sites that may need to
be fixed. I will address that in future patch(es).
linux-user/syscall.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 49b8a07..a20c2f7 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7760,7 +7760,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
struct timespec ts;
ret = get_errno(sched_rr_get_interval(arg1, &ts));
if (!is_error(ret)) {
- host_to_target_timespec(arg2, &ts);
+ ret = host_to_target_timespec(arg2, &ts);
}
}
break;
--
1.7.1
- [Qemu-devel] [V2 PATCH 02/12] linux-user: Dereference Pointer Argument to ipc/semctl Sys Call, (continued)
- [Qemu-devel] [V2 PATCH 02/12] linux-user: Dereference Pointer Argument to ipc/semctl Sys Call, Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 03/12] linux-user: Properly Handle semun Structure In Cross-Endian Situations, Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 04/12] linux-user: Make ipc syscall's third argument an abi_long, Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 05/12] linux-user: Conditionally Pass Attribute Pointer to mq_open(), Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 06/12] linux-user: Detect Negative Message Sizes in msgsnd System Call, Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 08/12] linux-user: Detect fault in sched_rr_get_interval,
Tom Musta <=
- [Qemu-devel] [V2 PATCH 07/12] linux-user: Handle NULL sched_param argument to sched_*, Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 10/12] linux-user: clock_nanosleep errno Handling on PPC, Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 09/12] linux-user: Minimum Sig Handler Stack Size for PPC64 ELF V2, Tom Musta, 2014/08/12
- [Qemu-devel] [V2 PATCH 12/12] linux-user: writev Partial Writes, Tom Musta, 2014/08/12