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: 93d, last: 11h01m
Discussions (4)
Title Replies (including bot) Last reply
[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

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 2 PID: 5141 at mm/page_alloc.c:4415 __alloc_pages+0x3ab/0x4a0 mm/page_alloc.c:4415
Modules linked in:
CPU: 2 PID: 5141 Comm: syz-executor127 Not tainted 6.5.0-syzkaller-10885-g0468be89b3fa #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__alloc_pages+0x3ab/0x4a0 mm/page_alloc.c:4415
Code: ff ff 00 0f 84 2f fe ff ff 80 ce 01 e9 27 fe ff ff 83 fe 0a 0f 86 3a fd ff ff 80 3d c9 37 e6 0c 00 75 09 c6 05 c0 37 e6 0c 01 <0f> 0b 45 31 f6 e9 97 fe ff ff e8 b6 10 9e ff 84 c0 0f 85 8a fe ff
RSP: 0018:ffffc900030b7a18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000040cc0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000016 RDI: 0000000000040cc0
RBP: 1ffff92000616f44 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffff1f R11: 0000000000000000 R12: 0000000000000016
R13: 0000000000000000 R14: ffffffff84b4e215 R15: ffff888013722000
FS:  00005555555a4380(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200001c0 CR3: 000000002accd000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0x87/0x1c0 mm/slab_common.c:1164
 __do_kmalloc_node mm/slab_common.c:1011 [inline]
 __kmalloc.cold+0xb/0xe0 mm/slab_common.c:1036
 kmalloc_array include/linux/slab.h:636 [inline]
 drm_syncobj_array_find+0x35/0x3c0 drivers/gpu/drm/drm_syncobj.c:1246
 drm_syncobj_timeline_signal_ioctl+0x21f/0x860 drivers/gpu/drm/drm_syncobj.c:1533
 drm_ioctl_kernel+0x280/0x4c0 drivers/gpu/drm/drm_ioctl.c:789
 drm_ioctl+0x5cb/0xbf0 drivers/gpu/drm/drm_ioctl.c:892
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff62d53f129
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe7c669ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffe7c66a078 RCX: 00007ff62d53f129
RDX: 0000000020000500 RSI: 00000000c01864cd RDI: 0000000000000003
RBP: 00007ff62d5b2610 R08: 0023647261632f69 R09: 00007ffe7c66a078
R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe7c66a068 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (118):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2023/12/04 09:48 upstream 33cc938e65a9 f819d6f7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/12/04 02:44 upstream 33cc938e65a9 f819d6f7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/27 13:34 upstream 2cc14f52aeb7 5b429f39 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/23 16:12 upstream 9b6de136b5f0 fc59b78e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/22 00:34 upstream c2d5304e6c64 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/21 05:37 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/21 01:09 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/20 19:57 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/19 21:19 upstream 037266a5f723 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/19 19:53 upstream 037266a5f723 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/17 12:21 upstream 7475e51b8796 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/17 04:14 upstream 7475e51b8796 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/17 02:27 upstream 7475e51b8796 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/16 20:58 upstream 7475e51b8796 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/16 00:32 upstream c42d9eeef8e5 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/14 22:29 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/13 22:05 upstream b85ea95d0864 cb976f63 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/12 06:10 upstream 1b907d050735 6d6dbf8a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/11 20:48 upstream 3ca112b71f35 6d6dbf8a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/09 05:19 upstream 34f763262743 4862372a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/08 02:58 upstream 13d88ac54ddd 83211397 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/07 16:23 upstream be3ca57cfb77 83211397 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/07 05:05 upstream be3ca57cfb77 83211397 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/06 22:56 upstream d2f51b3516da 78fae24e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/06 03:16 upstream 1cfb751165ef 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/05 14:55 upstream 1c41041124bd 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/05 01:21 upstream 90b0c2b2edd1 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/04 18:50 upstream 90b0c2b2edd1 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/04 12:52 upstream 2c40c1c6adab 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/04 09:54 upstream 2c40c1c6adab 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/03 23:44 upstream 8f6f76a6a29f 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/03 20:22 upstream 8f6f76a6a29f 500bfdc4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/11/02 07:36 upstream 4684e928dbee 69904c9f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/31 16:08 upstream 5a6a09e97199 0badc11c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/30 16:48 upstream ffc253263a13 116af91f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/28 00:31 upstream 750b95887e56 d0fab643 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/20 07:07 upstream 7cf4bea77ab6 a42250d2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/19 20:13 upstream 7cf4bea77ab6 f62755ed .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/19 04:50 upstream dd72f9c7e512 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/18 08:33 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/18 04:10 upstream 06dc10eae55b 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/18 00:05 upstream 213f891525c2 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/17 17:31 upstream 213f891525c2 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/17 07:27 upstream 213f891525c2 342b9c55 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/15 20:49 upstream 11d3f7261395 f757a323 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/15 09:13 upstream 9a3dad63edbe f757a323 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/15 00:49 upstream 727fb8376504 f757a323 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/13 23:42 upstream 10a6e5feccb8 56b6c7c4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_syncobj_array_find
2023/10/12 18:01 upstream 401644852d0b 1b231e3c .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.