syzbot


WARNING in drm_syncobj_array_find

Status: upstream: reported C repro on 2023/09/06 11:42
Subsystems: dri
[Documentation on labels]
Reported-by: syzbot+95416f957d84e858b377@syzkaller.appspotmail.com
First crash: 725d, last: 2h19m
Discussions (20)
Title Replies (including bot) Last reply
[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 (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 (Oct 2024) 0 (1) 2024/10/13 19:21
[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] Monthly dri report (Jun 2024) 0 (1) 2024/06/10 12:41
[syzbot] Monthly dri report (May 2024) 0 (1) 2024/05/06 13:18
[syzbot] Monthly dri report (Apr 2024) 0 (1) 2024/04/05 12:37
[syzbot] Monthly dri report (Mar 2024) 0 (1) 2024/03/05 11:09
[syzbot] Monthly dri report (Feb 2024) 0 (1) 2024/02/02 21:05
[syzbot] Monthly dri report (Jan 2024) 0 (1) 2024/01/02 13:36
[syzbot] Monthly dri report (Nov 2023) 0 (1) 2023/11/30 20:33
[syzbot] Monthly dri report (Oct 2023) 0 (1) 2023/10/30 12:59
[syzbot] Monthly dri report (Sep 2023) 0 (1) 2023/09/28 11:42
[syzbot] [dri?] WARNING in drm_syncobj_array_find 0 (1) 2023/09/06 11:42
Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/04/21 15:20 24m retest repro upstream report log
2025/04/21 15:20 12m retest repro upstream report log
2025/04/21 15:20 12m retest repro upstream report log
2025/04/21 15:20 11m retest repro upstream report log
2025/04/21 12:54 27m retest repro upstream report log
2025/04/21 12:54 26m retest repro upstream report log
2025/04/21 12:54 26m retest repro upstream report log
2025/04/21 12:54 24m retest repro upstream report log
2025/02/10 13:09 15m retest repro upstream report log
2025/02/10 13:09 15m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5946 at mm/page_alloc.c:4727 __alloc_pages_noprof+0xeff/0x25b0 mm/page_alloc.c:4727
Modules linked in:
CPU: 1 UID: 0 PID: 5946 Comm: syz-executor415 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__alloc_pages_noprof+0xeff/0x25b0 mm/page_alloc.c:4727
Code: 24 2c 00 00 00 00 89 cd 0f 84 8b f9 ff ff 8b 34 24 48 89 da 8b 7c 24 08 e8 0e b3 fe ff e9 69 f9 ff ff c6 05 c7 b0 57 0e 01 90 <0f> 0b 90 31 db e9 9f f3 ff ff 89 14 24 e8 7f b2 0c 00 8b 14 24 e9
RSP: 0018:ffffc9000385f8a8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000016 RDI: 0000000000040cc0
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000016
R13: 0000000000040cc0 R14: 1ffff9200070bf29 R15: ffffffff853ae0e7
FS:  00007f9e528f26c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 0000000031ce6000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 ___kmalloc_large_node+0x84/0x1b0 mm/slub.c:4228
 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:4255
 __do_kmalloc_node mm/slub.c:4271 [inline]
 __kmalloc_noprof.cold+0xc/0x61 mm/slub.c:4295
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kmalloc_array_noprof include/linux/slab.h:946 [inline]
 drm_syncobj_array_find+0x37/0x3b0 drivers/gpu/drm/drm_syncobj.c:1269
 drm_syncobj_reset_ioctl+0x213/0x360 drivers/gpu/drm/drm_syncobj.c:1525
 drm_ioctl_kernel+0x1e6/0x3d0 drivers/gpu/drm/drm_ioctl.c:796
 drm_ioctl+0x5d6/0xc00 drivers/gpu/drm/drm_ioctl.c:893
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e5293a169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9e528f2228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9e529c1308 RCX: 00007f9e5293a169
RDX: 00000000200000c0 RSI: 00000000c01064c4 RDI: 0000000000000003
RBP: 00007f9e529c1300 R08: 00007f9e528f26c0 R09: 00007f9e528f26c0
R10: 00007f9e528f26c0 R11: 0000000000000246 R12: 00007f9e529c130c
R13: 0023647261632f69 R14: 6972642f7665642f R15: 00007ffc81eda628
 </TASK>

Crashes (1860):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/10 14:37 upstream 7cb1b4663150 cfc402b4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2024/12/01 05:06 upstream d8b78066f4c9 68914665 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2024/10/10 15:29 upstream d3d1556696c1 a156c552 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2024/07/15 19:58 upstream 0c3836482481 efee4ed2 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2024/04/04 20:33 upstream c85af715cac0 0ee3535e .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2024/03/26 03:40 upstream 928a87efa423 bcd9b39f .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/12/17 02:52 upstream c8e97fc6b4c0 3222d10c .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/09/02 12:16 upstream 0468be89b3fa 696ea0d2 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/28 05:25 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/28 03:44 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/27 18:06 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/27 17:01 upstream fab1beda7597 e12e5ba4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/27 07:50 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/27 03:05 upstream fab1beda7597 e12e5ba4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/27 00:36 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/26 17:56 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/26 14:45 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/26 12:27 upstream fab1beda7597 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/26 07:04 upstream b6add54ba618 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/26 06:44 upstream b6add54ba618 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/26 02:10 upstream b6add54ba618 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/26 00:39 upstream b6add54ba618 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/25 23:16 upstream b6add54ba618 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/25 20:04 upstream b6add54ba618 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/25 18:37 upstream 1b237f190eb3 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/25 17:06 upstream 1b237f190eb3 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/25 14:06 upstream 1b237f190eb3 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/25 07:53 upstream 1b237f190eb3 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/25 04:35 upstream 69fd6b99b8f8 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/25 02:57 upstream 69fd6b99b8f8 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/25 00:14 upstream 69fd6b99b8f8 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/24 21:21 upstream 69fd6b99b8f8 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/24 20:01 upstream 69fd6b99b8f8 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/24 17:39 upstream 69fd6b99b8f8 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/24 12:19 upstream 8d245acc1e88 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/24 04:50 upstream 8d245acc1e88 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/24 03:24 upstream 8d245acc1e88 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/24 00:19 upstream 8d245acc1e88 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/23 22:00 upstream 8d245acc1e88 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/23 20:51 upstream 8d245acc1e88 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/23 16:57 upstream 6debb6904172 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/23 11:24 upstream 6debb6904172 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/23 11:24 upstream 6debb6904172 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/22 23:44 upstream cf6fc5eefc5b bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/22 15:04 upstream 3957a5720157 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/22 08:40 upstream 3957a5720157 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/22 06:03 upstream 3957a5720157 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/22 04:35 upstream 3957a5720157 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/21 20:07 upstream 32b7144f806e 3e79b825 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/21 18:54 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/21 16:55 upstream 32b7144f806e 3e79b825 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/21 14:26 upstream 32b7144f806e 3e79b825 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/21 12:28 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/21 10:37 upstream 41cd3fd15263 0b9605c8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/20 17:58 upstream b19a97d57c15 bd178e57 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/20 15:10 upstream b19a97d57c15 bd178e57 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_syncobj_array_find
2025/08/20 10:23 upstream b19a97d57c15 79512909 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/20 10:12 upstream b19a97d57c15 79512909 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/20 00:52 upstream b19a97d57c15 79512909 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/19 18:51 upstream b19a97d57c15 523f460e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2025/08/19 11:32 upstream be48bcf004f9 523f460e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
* Struck through repros no longer work on HEAD.