syzbot


WARNING in drm_mode_create_lease_ioctl

Status: upstream: reported C repro on 2024/06/26 21:05
Subsystems: dri
[Documentation on labels]
Reported-by: syzbot+6754751ad05524dae739@syzkaller.appspotmail.com
First crash: 502d, last: 1h17m
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in drm_mode_create_lease_ioctl (log)
Repro: C syz .config
  
Discussions (16)
Title Replies (including bot) Last reply
[syzbot] Monthly dri report (Oct 2025) 0 (1) 2025/10/27 08:42
[syzbot] Monthly dri report (Aug 2025) 0 (1) 2025/08/25 13:19
[syzbot] Monthly dri report (Jul 2025) 0 (1) 2025/07/25 12:39
[syzbot] Monthly dri report (Jun 2025) 0 (1) 2025/06/24 07:38
[syzbot] Monthly dri report (May 2025) 0 (1) 2025/05/24 10:05
[syzbot] Monthly dri report (Apr 2025) 0 (1) 2025/04/22 12:41
[syzbot] Monthly dri report (Mar 2025) 0 (1) 2025/03/18 14:49
[syzbot] Monthly dri report (Feb 2025) 0 (1) 2025/02/16 21:53
[PATCH] drm/drm_lease: add sanity check to drm_mode_create_lease_ioctl() 1 (1) 2025/01/31 12:44
[syzbot] Monthly dri report (Jan 2025) 0 (1) 2025/01/15 13:48
[syzbot] Monthly dri report (Dec 2024) 0 (1) 2024/12/16 09:44
[syzbot] Monthly dri report (Nov 2024) 0 (1) 2024/11/14 08:59
[syzbot] Monthly dri report (Sep 2024) 0 (1) 2024/09/12 14:24
[syzbot] Monthly dri report (Aug 2024) 0 (1) 2024/08/13 08:54
[syzbot] Monthly dri report (Jul 2024) 0 (1) 2024/07/12 10:05
[syzbot] [dri?] WARNING in drm_mode_create_lease_ioctl 0 (2) 2024/06/28 19:23
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in drm_mode_create_lease_ioctl origin:upstream -1 C error 9 8d04h 495d 0/3 upstream: reported C repro on 2024/06/29 12:06
linux-5.15 WARNING in drm_mode_create_lease_ioctl origin:upstream -1 C error 13 16d 495d 0/3 upstream: reported C repro on 2024/06/29 12:04
Last patch testing requests (11)
Created Duration User Patch Repo Result
2025/10/16 23:03 23m retest repro upstream report log
2025/09/26 16:54 17m retest repro upstream report log
2025/09/19 21:26 23m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/09/19 21:26 1h02m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/09/19 21:26 39m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/09/19 21:26 23m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/09/19 21:26 19m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/09/05 04:32 17m retest repro upstream report log
2025/08/22 03:29 16m retest repro upstream report log
2025/08/07 22:13 20m retest repro upstream report log
2024/06/28 19:23 4h31m peili.dev@gmail.com patch git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci error
Fix bisection attempts (5)
Created Duration User Patch Repo Result
2025/06/15 14:15 2h27m bisect fix upstream OK (0) job log log
2025/05/15 14:14 2h51m bisect fix upstream OK (0) job log log
2025/04/10 06:36 2h47m bisect fix upstream OK (0) job log log
2025/03/05 09:18 1h53m bisect fix upstream OK (0) job log log
2024/10/16 20:25 4h47m bisect fix upstream OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6011 at mm/page_alloc.c:5159 __alloc_frozen_pages_noprof+0x309/0x2470 mm/page_alloc.c:5159
Modules linked in:
CPU: 1 UID: 0 PID: 6011 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__alloc_frozen_pages_noprof+0x309/0x2470 mm/page_alloc.c:5159
Code: f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 11 81 4b 09 83 fe 0a 0f 86 0c fe ff ff 80 3d d8 75 52 0e 00 75 0b c6 05 cf 75 52 0e 01 90 <0f> 0b 90 45 31 f6 eb 81 4d 85 f6 74 22 44 89 fa 89 ee 4c 89 f7 e8
RSP: 0018:ffffc90003caf6f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000040dc0
RBP: 000000000000000b R08: 0000000000000005 R09: 0000000000000009
R10: 000000000000000b R11: 0000000000000000 R12: 0000000000040dc0
R13: 1ffff92000795ef5 R14: ffffffff9ab2e4a4 R15: 000000000000000b
FS:  000055558e2be500(0000) GS:ffff888124b08000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000003d0000 CR3: 000000007706e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
 ___kmalloc_large_node+0xed/0x160 mm/slub.c:5583
 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5614
 __do_kmalloc_node mm/slub.c:5630 [inline]
 __kmalloc_noprof.cold+0xc/0x62 mm/slub.c:5654
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kmalloc_array_noprof include/linux/slab.h:1003 [inline]
 fill_object_idr drivers/gpu/drm/drm_lease.c:389 [inline]
 drm_mode_create_lease_ioctl+0x4ba/0x1fb0 drivers/gpu/drm/drm_lease.c:522
 drm_ioctl_kernel+0x1f4/0x3e0 drivers/gpu/drm/drm_ioctl.c:797
 drm_ioctl+0x5c9/0xc30 drivers/gpu/drm/drm_ioctl.c:894
 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+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f987d78f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffce3ecdb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f987d9e5fa0 RCX: 00007f987d78f6c9
RDX: 0000200000000040 RSI: 00000000c01864c6 RDI: 0000000000000003
RBP: 00007f987d811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f987d9e5fa0 R14: 00007f987d9e5fa0 R15: 0000000000000003
 </TASK>

Crashes (75):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/07 08:55 upstream c2c2ccfd4ba7 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_mode_create_lease_ioctl
2025/10/25 05:11 upstream 2e590d67c2d8 c0460fcd .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_mode_create_lease_ioctl
2025/10/23 10:32 upstream 250a17e8f955 c0460fcd .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_mode_create_lease_ioctl
2024/10/22 23:22 upstream c2ee9f594da8 9d74f456 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/10/22 19:13 upstream c2ee9f594da8 9d74f456 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/09/02 18:45 upstream 67784a74e258 1eda0d14 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/08/29 23:44 upstream d5d547aa7b51 54fe8471 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2025/01/05 21:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2025/01/02 06:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 d3ccff63 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/12/14 03:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e7aff49b5da 7cbfbb3a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/12/11 02:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 146ff2c261f3 cfc402b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/06/22 21:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/08/01 11:53 upstream 21b136cc63d2 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/07/18 02:34 upstream 51835949dda3 03114f55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/07/17 23:16 upstream 51835949dda3 03114f55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/07/09 11:18 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 07:15 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 07:15 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:52 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:51 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:49 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:49 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:48 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:48 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_mode_create_lease_ioctl
2024/07/01 18:12 upstream 22a40d14b572 b294e901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in drm_mode_create_lease_ioctl
2024/07/01 04:29 upstream 3ffea9a7a6f7 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:04 upstream 6c0483dbfe72 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:54 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:54 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:55 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_mode_create_lease_ioctl
2024/07/01 04:36 upstream 22a40d14b572 757f06b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:01 upstream de0a9f448633 757f06b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_mode_create_lease_ioctl
2024/07/18 07:16 upstream e2f710f97f35 0f902625 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in drm_mode_create_lease_ioctl
2024/07/10 05:28 upstream 34afb82a3c67 bc144f9a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in drm_mode_create_lease_ioctl
2024/07/10 05:27 upstream 34afb82a3c67 bc144f9a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:50 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:49 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:49 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:48 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/07/09 05:48 upstream 4376e966ecb7 bc23a442 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/07/02 05:03 upstream 9903efbddba0 b01b098a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in drm_mode_create_lease_ioctl
2024/07/02 05:03 upstream 9903efbddba0 b01b098a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in drm_mode_create_lease_ioctl
2024/07/01 04:31 upstream 22a40d14b572 757f06b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:04 upstream de0a9f448633 757f06b1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_mode_create_lease_ioctl
2024/07/23 16:58 linux-next 41c196e567fb 708c10c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/18 01:20 linux-next 797012914d2d 03114f55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/15 02:12 linux-next 3fe121b62282 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/15 02:12 linux-next 3fe121b62282 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/15 02:07 linux-next 3fe121b62282 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 06:54 linux-next 0b58e108042b bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 06:53 linux-next 0b58e108042b bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/07 01:52 linux-next 0b58e108042b bc4ebbb5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/01 16:00 linux-next 74564adfd352 b294e901 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_mode_create_lease_ioctl
2024/07/09 08:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1a6f53de2eb9 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/07/09 08:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1a6f53de2eb9 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/07/01 04:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8fcad59bb267 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/06/29 12:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5e456a31d1ac 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
2024/06/22 21:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ac2193b4b460 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_mode_create_lease_ioctl
* Struck through repros no longer work on HEAD.