WARNING in dma_resv_add

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision	Error
15b1a383-4a5a-412f-ad6d-ebb8cfaab6ec	assessment-security	DenialOfService: ✅ Exploitable: ✅ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ❌ VMGuestTrigger: ✅ VMHostTrigger: ❌	❓	WARNING in dma_resv_add_fence	2026/05/31 09:48	2026/05/31 09:48	2026/05/31 10:41	6b4a844333e83556da95d61d7f207e7ef5cd4bc6
718d03d2-5eac-4849-a2c2-b19d51980bd1	assessment-security		💥	WARNING in dma_resv_add_fence	2026/05/14 16:15	2026/05/14 16:15	2026/05/14 16:16	6ccb967e465e832a7bfd7a116ad00d52a0923a5d	failed to run ["git" "pull" "origin" "HEAD" "--depth=1" "--allow-unrelated-histories"]: exit status 128 From /app/workdir/repo/linux * branch HEAD -> FETCH_HEAD Updating files: ... truncated to first 200 bytes; open job for full error

Title	Replies (including bot)	Last reply
[PATCH v4] drm/virtio: use uninterruptible resv lock for plane updates	8 (8)	2026/05/22 08:26
Re: [PATCH v4] drm/virtio: use uninterruptible resv lock for plane updates	1 (1)	2026/05/20 15:18
[PATCH v3] drm/virtio: use uninterruptible resv lock for plane updates	3 (3)	2026/05/19 08:24
[PATCH v2] drm/virtio: move cursor resv lock acquisition to prepare_fb	5 (5)	2026/05/15 08:41
[PATCH] drm/virtio: check virtio_gpu_array_lock_resv() return in cursor update	3 (3)	2026/05/12 02:07
[syzbot] [dri?] [media?] WARNING in dma_resv_add_fence	1 (4)	2026/05/10 04:55

Title

Replies (including bot)

Last reply

[PATCH v4] drm/virtio: use uninterruptible resv lock for plane updates

8 (8)

2026/05/22 08:26

Re: [PATCH v4] drm/virtio: use uninterruptible resv lock for plane updates

1 (1)

2026/05/20 15:18

[PATCH v3] drm/virtio: use uninterruptible resv lock for plane updates

3 (3)

2026/05/19 08:24

[PATCH v2] drm/virtio: move cursor resv lock acquisition to prepare_fb

5 (5)

2026/05/15 08:41

[PATCH] drm/virtio: check virtio_gpu_array_lock_resv() return in cursor update

3 (3)

2026/05/12 02:07

[syzbot] [dri?] [media?] WARNING in dma_resv_add_fence

1 (4)

2026/05/10 04:55

Created	Duration	User	Patch	Repo	Result
2026/05/10 04:55	19m	kartikey406@gmail.com	patch	upstream	log
2026/05/08 00:26	20m	hdanton@sina.com	patch	upstream	log

Created

Duration

User

Patch

Repo

Result

2026/05/10 04:55

19m

kartikey406@gmail.com

patch

upstream

log

2026/05/08 00:26

20m

hdanton@sina.com

patch

upstream

log

R13: 00007f7755215fac R14: 00007f7755215fa0 R15: 00007f7755215fa0 </TASK> ------------[ cut here ]------------ debug_locks && !(lock_is_held(&(&(obj)->lock.base)->dep_map) != 0) WARNING: drivers/dma-buf/dma-resv.c:296 at dma_resv_add_fence+0x71e/0x840 drivers/dma-buf/dma-resv.c:296, CPU#2: syz.0.17/5919 Modules linked in: CPU: 2 UID: 0 PID: 5919 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:dma_resv_add_fence+0x71e/0x840 drivers/dma-buf/dma-resv.c:296 Code: 44 24 08 be ff ff ff ff 48 8d 78 60 e8 db 3b 33 05 31 ff 89 c3 89 c6 e8 e0 58 b1 fb 85 db 0f 85 26 fa ff ff e8 23 5e b1 fb 90 <0f> 0b 90 e9 18 fa ff ff e8 15 5e b1 fb be 03 00 00 00 4c 89 e7 e8 RSP: 0018:ffffc9000448f168 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff865734f0 RDX: ffff8880261ea500 RSI: ffffffff865734fd RDI: ffff8880261ea500 RBP: ffff88802d439f70 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88802d439f00 R13: ffff88802d439f00 R14: 1ffff92000891e39 R15: ffff88802853e800 FS: 00005555690ac500(0000) GS:ffff8880d6572000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32a63fff CR3: 000000003fb78000 CR4: 0000000000352ef0 Call Trace: <TASK> virtio_gpu_array_add_fence+0xcd/0x140 drivers/gpu/drm/virtio/virtgpu_gem.c:257 virtio_gpu_queue_ctrl_sgs drivers/gpu/drm/virtio/virtgpu_vq.c:410 [inline] virtio_gpu_queue_fenced_ctrl_buffer+0x578/0xfb0 drivers/gpu/drm/virtio/virtgpu_vq.c:500 virtio_gpu_cursor_plane_update+0x411/0xbc0 drivers/gpu/drm/virtio/virtgpu_plane.c:463 drm_atomic_helper_commit_planes+0x497/0xf10 drivers/gpu/drm/drm_atomic_helper.c:3038 drm_atomic_helper_commit_tail+0x7f/0x130 drivers/gpu/drm/drm_atomic_helper.c:1989 commit_tail+0x338/0x430 drivers/gpu/drm/drm_atomic_helper.c:2074 drm_atomic_helper_commit+0x303/0x380 drivers/gpu/drm/drm_atomic_helper.c:2312 drm_atomic_commit+0x230/0x300 drivers/gpu/drm/drm_atomic.c:1789 drm_atomic_helper_update_plane+0x314/0x400 drivers/gpu/drm/drm_atomic_helper.c:3438 __setplane_atomic+0x22d/0x350 drivers/gpu/drm/drm_plane.c:1101 drm_mode_cursor_universal+0x5e9/0xe20 drivers/gpu/drm/drm_plane.c:1256 drm_mode_cursor_common+0x308/0x970 drivers/gpu/drm/drm_plane.c:1315 drm_mode_cursor_ioctl+0xd4/0x110 drivers/gpu/drm/drm_plane.c:1365 drm_ioctl_kernel+0x1f3/0x3e0 drivers/gpu/drm/drm_ioctl.c:804 drm_ioctl+0x5e6/0xc60 drivers/gpu/drm/drm_ioctl.c:901 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7754f9cdd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd0c03a0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7755215fa0 RCX: 00007f7754f9cdd9 RDX: 0000200000000100 RSI: 00000000c01c64a3 RDI: 0000000000000003 RBP: 00007ffd0c03a120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f7755215fac R14: 00007f7755215fa0 R15: 00007f7755215fa0 </TASK>

Crashes (7):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/05/07 22:40	upstream	fcee7d82f27d	e358bca5	.config	console log	report	syz / log	C		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu-upstream	WARNING in dma_resv_add_fence
2026/05/07 22:03	upstream	fcee7d82f27d	e358bca5	.config	console log	report	syz / log	C		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu-upstream	WARNING in dma_resv_add_fence
2026/05/12 15:59	upstream	50897c955902	07aeade5	.config	console log	report			info	[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu-upstream	WARNING in dma_resv_add_fence
2026/05/12 03:24	upstream	50897c955902	d168f260	.config	console log	report			info	[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu-upstream	WARNING in dma_resv_add_fence
2026/05/08 22:24	upstream	cbf457c584b5	29233ece	.config	console log	report			info	[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu-upstream	WARNING in dma_resv_add_fence
2026/05/07 23:44	upstream	fcee7d82f27d	e358bca5	.config	console log	report				[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	WARNING in dma_resv_add_fence
2026/05/07 21:39	upstream	fcee7d82f27d	e358bca5	.config	console log	report			info	[disk image (non-bootable)] [vmlinux] [kernel image]	ci-qemu-upstream	WARNING in dma_resv_add_fence

Crashes (7):

Assets (help?)