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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	patches@lists.linux.dev,
	Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>,
	Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH 5.15 15/15] drm/amdgpu: Validate VM ioctl flags.
Date: Mon,  3 Jul 2023 20:55:00 +0200	[thread overview]
Message-ID: <20230703184519.307719602@linuxfoundation.org> (raw)
In-Reply-To: <20230703184518.896751186@linuxfoundation.org>

From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

commit a2b308044dcaca8d3e580959a4f867a1d5c37fac upstream.

None have been defined yet, so reject anybody setting any. Mesa sets
it to 0 anyway.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -3274,6 +3274,10 @@ int amdgpu_vm_ioctl(struct drm_device *d
 	long timeout = msecs_to_jiffies(2000);
 	int r;
 
+	/* No valid flags defined yet */
+	if (args->in.flags)
+		return -EINVAL;
+
 	switch (args->in.op) {
 	case AMDGPU_VM_OP_RESERVE_VMID:
 		/* We only have requirement to reserve vmid from gfxhub */



  parent reply	other threads:[~2023-07-03 18:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-03 18:54 [PATCH 5.15 00/15] 5.15.120-rc1 review Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 01/15] mptcp: fix possible divide by zero in recvmsg() Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 02/15] mptcp: consolidate fallback and non fallback state machine Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 03/15] mm, hwpoison: try to recover from copy-on write faults Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 04/15] mm, hwpoison: when copy-on-write hits poison, take page offline Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 05/15] drm/amdgpu: Set vmbo destroy after pt bo is created Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 06/15] x86/microcode/AMD: Load late on both threads too Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 07/15] x86/smp: Use dedicated cache-line for mwait_play_dead() Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 08/15] can: isotp: isotp_sendmsg(): fix return error fix on TX path Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 09/15] bpf: ensure main program has an extable Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 10/15] HID: wacom: Use ktime_t rather than int when dealing with timestamps Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 11/15] HID: logitech-hidpp: add HIDPP_QUIRK_DELAYED_INIT for the T651 Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 12/15] Revert "thermal/drivers/mediatek: Use devm_of_iomap to avoid resource leak in mtk_thermal_probe" Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 13/15] perf symbols: Symbol lookup with kcore can fail if multiple segments match stext Greg Kroah-Hartman
2023-07-03 18:54 ` [PATCH 5.15 14/15] scripts/tags.sh: Resolve gtags empty index generation Greg Kroah-Hartman
2023-07-03 18:55 ` Greg Kroah-Hartman [this message]
2023-07-04  7:00 ` [PATCH 5.15 00/15] 5.15.120-rc1 review Naresh Kamboju
2023-07-04  7:16   ` Helge Deller
2023-07-04  7:31     ` Greg Kroah-Hartman

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