memory leak in drm_mode_atomic

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision	Error
bd374134	assessment-security	DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ✅ VMHostTrigger: ❌	❓	memory leak in drm_mode_atomic_ioctl	2026/05/25 07:36	2026/05/25 07:36	2026/05/25 08:20	c69befb3

assessment-security

DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ✅ VMHostTrigger: ❌

❓

memory leak in drm_mode_atomic_ioctl

2026/05/25 07:36

2026/05/25 08:20

c69befb3

Title	Replies (including bot)	Last reply
[PATCH] drm/atomic: fix vblank event leak in complete_signaling()	1 (1)	2026/03/29 07:34
[syzbot] Monthly dri report (Mar 2026)	0 (1)	2026/03/01 06:22
[syzbot] Monthly dri report (Dec 2025)	0 (1)	2025/12/29 08:12
[syzbot] [dri?] memory leak in drm_mode_atomic_ioctl	1 (3)	2025/12/04 16:47

Title

Replies (including bot)

Last reply

[PATCH] drm/atomic: fix vblank event leak in complete_signaling()

1 (1)

2026/03/29 07:34

[syzbot] Monthly dri report (Mar 2026)

0 (1)

2026/03/01 06:22

[syzbot] Monthly dri report (Dec 2025)

0 (1)

2025/12/29 08:12

[syzbot] [dri?] memory leak in drm_mode_atomic_ioctl

1 (3)

2025/12/04 16:47


Created	Duration	User	Patch	Repo	Result
2026/07/22 13:38	36m	retest repro		upstream	report log
2026/07/22 13:38	27m	retest repro		upstream	report log
2026/06/21 02:03	33m	retest repro		upstream	report log
2026/05/04 03:54	26m	retest repro		upstream	report log
2026/04/12 00:22	48m	retest repro		upstream	report log
2026/02/22 20:36	40m	retest repro		upstream	report log
2026/02/22 20:32	17m	retest repro		upstream	report log
2025/12/14 14:21	25m	retest repro		upstream	report log
2025/12/04 15:57	34m	ssranevjti@gmail.com	patch	upstream	OK log

2026/07/07 23:37:49 executed programs: 5 BUG: memory leak unreferenced object 0xffff88810f56c580 (size 128): comm "syz.0.18", pid 5949, jiffies 4294944102 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 9bd0353): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4625 [inline] slab_alloc_node mm/slub.c:4945 [inline] __kmalloc_cache_noprof+0x356/0x440 mm/slub.c:5511 _kmalloc_noprof include/linux/slab.h:969 [inline] _kzalloc_noprof include/linux/slab.h:1290 [inline] create_vblank_event drivers/gpu/drm/drm_atomic_uapi.c:1120 [inline] prepare_signaling drivers/gpu/drm/drm_atomic_uapi.c:1438 [inline] drm_mode_atomic_ioctl+0x911/0x13c0 drivers/gpu/drm/drm_atomic_uapi.c:1747 drm_ioctl_kernel+0x122/0x1f0 drivers/gpu/drm/drm_ioctl.c:805 drm_ioctl+0x37c/0x6d0 drivers/gpu/drm/drm_ioctl.c:902 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+0xf4/0x140 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88811277ff00 (size 128): comm "syz.0.19", pid 5950, jiffies 4294944104 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 9bd0353): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4625 [inline] slab_alloc_node mm/slub.c:4945 [inline] __kmalloc_cache_noprof+0x356/0x440 mm/slub.c:5511 _kmalloc_noprof include/linux/slab.h:969 [inline] _kzalloc_noprof include/linux/slab.h:1290 [inline] create_vblank_event drivers/gpu/drm/drm_atomic_uapi.c:1120 [inline] prepare_signaling drivers/gpu/drm/drm_atomic_uapi.c:1438 [inline] drm_mode_atomic_ioctl+0x911/0x13c0 drivers/gpu/drm/drm_atomic_uapi.c:1747 drm_ioctl_kernel+0x122/0x1f0 drivers/gpu/drm/drm_ioctl.c:805 drm_ioctl+0x37c/0x6d0 drivers/gpu/drm/drm_ioctl.c:902 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+0xf4/0x140 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf8/0x610 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Assets (help?)	Manager	Title
2026/07/07 23:38	upstream	0e35b9b6ec0f	88a4b44c	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image]	ci-upstream-gce-leak	memory leak in drm_mode_atomic_ioctl
2026/03/28 23:44	upstream	be762d8b6dd7	356bdfc9	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image]	ci-upstream-gce-leak	memory leak in drm_mode_atomic_ioctl
2025/11/30 14:15	upstream	6bda50f4333f	d6526ea3	.config	console log	report	syz / log	C	[disk image] [vmlinux] [kernel image]	ci-upstream-gce-leak	memory leak in drm_mode_atomic_ioctl

Crashes (3):

Assets (help?)