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WARNING in drm_prime_destroy_file_private (2)

Status: upstream: reported C repro on 2023/12/27 20:51
Subsystems: dri
[Documentation on labels]
Reported-by: syzbot+59dcc2e7283a6f5f5ba1@syzkaller.appspotmail.com
First crash: 769d, last: 32d
Cause bisection: introduced by (bisect log) :
commit ea4452de2ae987342fadbdd2c044034e6480daad
Author: Qi Zheng <zhengqi.arch@bytedance.com>
Date: Fri Nov 18 10:00:11 2022 +0000

  mm: fix unexpected changes to {failslab|fail_page_alloc}.attr

Crash: WARNING in drm_prime_destroy_file_private (log)
Repro: C syz .config
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (13)
Title Replies (including bot) Last reply
[syzbot] Monthly dri report (Dec 2025) 0 (1) 2025/12/29 08:12
[syzbot] Monthly dri report (Nov 2025) 0 (1) 2025/11/27 07:44
[syzbot] Monthly dri report (Oct 2025) 0 (1) 2025/10/27 08:42
[syzbot] Monthly dri report (Jun 2025) 0 (1) 2025/06/24 07:38
[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
[syzbot] Monthly dri report (Dec 2024) 0 (1) 2024/12/16 09:44
[syzbot] Monthly dri report (Oct 2024) 0 (1) 2024/10/13 19:21
[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 (Mar 2024) 0 (1) 2024/03/05 11:09
[syzbot] [dri?] WARNING in drm_prime_destroy_file_private (2) 6 (11) 2024/01/03 15:12
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in drm_prime_destroy_file_private dri -1 1 1424d 1420d 0/29 auto-closed as invalid on 2022/07/06 07:47
linux-4.14 WARNING in drm_prime_destroy_file_private -1 C error 7 1250d 1864d 0/1 upstream: reported C repro on 2020/12/23 07:13
linux-4.19 WARNING in drm_prime_destroy_file_private (2) -1 C error 2 1372d 1372d 0/1 upstream: reported C repro on 2022/04/29 07:43
linux-4.19 WARNING in drm_prime_destroy_file_private -1 syz done 6 1660d 1851d 1/1 fixed on 2021/08/15 11:28
▶ ▼ Last patch testing requests (14)
Created Duration User Patch Repo Result
2026/01/12 19:02 26m retest repro upstream OK log
2026/01/12 19:02 38m retest repro linux-next OK log
2025/09/20 06:04 22m retest repro upstream OK log
2025/08/02 08:25 26m retest repro upstream OK log
2025/06/30 05:16 39m retest repro upstream report log
2025/06/30 05:16 25m retest repro linux-next OK log
2025/04/23 12:23 28m retest repro upstream report log
2025/02/06 08:59 23m retest repro upstream report log
2024/12/23 11:39 32m retest repro upstream report log
2024/05/12 18:31 24m retest repro upstream report log
2023/12/30 01:59 46m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK log
2023/12/30 01:04 17m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
2023/12/29 11:29 53m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
2023/12/28 11:56 14m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
▶ ▼ Fix bisection attempts (10)
Created Duration User Patch Repo Result
2025/05/23 13:10 8m bisect fix upstream error job log
2025/04/09 04:05 2h12m bisect fix upstream OK (0) job log log
2025/03/08 09:55 1h27m bisect fix upstream OK (0) job log log
2025/01/23 01:24 1h18m bisect fix upstream OK (0) job log log
2024/11/19 10:43 1h37m bisect fix upstream OK (0) job log log
2024/10/13 02:50 1h53m bisect fix upstream OK (0) job log log
2024/09/12 09:11 7h04m bisect fix upstream OK (0) job log log
2024/08/08 23:44 2h17m bisect fix upstream OK (0) job log log
2024/07/09 05:51 2h41m bisect fix upstream OK (0) job log log
2024/03/03 15:30 2h21m bisect fix upstream OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: drivers/gpu/drm/drm_prime.c:224 at drm_prime_destroy_file_private+0x4b/0x60 drivers/gpu/drm/drm_prime.c:224, CPU#0: syz.1.5245/26614
Modules linked in:
CPU: 0 UID: 0 PID: 26614 Comm: syz.1.5245 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:drm_prime_destroy_file_private+0x4b/0x60 drivers/gpu/drm/drm_prime.c:224
Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 dd 7f ed fc 48 83 3b 00 75 0c e8 62 5f 87 fc 5b e9 8c d9 22 06 cc e8 56 5f 87 fc 90 <0f> 0b 90 5b e9 7c d9 22 06 cc 66 66 2e 0f 1f 84 00 00 00 00 00 90
RSP: 0018:ffffc9000553fc40 EFLAGS: 00010293
RAX: ffffffff8539965a RBX: ffff88802874a410 RCX: ffff888026b6bd00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88802874a380
RBP: ffff88802874a2c8 R08: ffffc9000553fbc7 R09: 1ffff92000aa7f78
R10: dffffc0000000000 R11: fffff52000aa7f79 R12: dffffc0000000000
R13: dead000000000100 R14: 0000000000000000 R15: ffff88802874a2d8
FS:  0000555569a5a500(0000) GS:ffff888125e21000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2f8f94 CR3: 0000000054f92000 CR4: 00000000003526f0
DR0: 0000000000000008 DR1: 0000000000000002 DR2: 0000000000000404
DR3: ffffffffefffff14 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_file_free+0x7f2/0xa00 drivers/gpu/drm/drm_file.c:269
 drm_close_helper drivers/gpu/drm/drm_file.c:290 [inline]
 drm_release+0x2de/0x3f0 drivers/gpu/drm/drm_file.c:438
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xef/0x4e0 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x2b7/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f367558f749
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:00007f367590fb88 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000016146f RCX: 00007f367558f749
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f36757e7da0 R08: 0000000000000001 R09: 000000097590fe7f
R10: 0000001b2c120000 R11: 0000000000000246 R12: 00007f36757e5fac
R13: 00007f36757e5fa0 R14: ffffffffffffffff R15: 00007f367590fca0
 </TASK>

Crashes (577):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/29 08:49 upstream c875a6c32467 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/29 06:30 upstream c875a6c32467 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/26 11:13 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/26 06:57 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/25 22:54 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/25 13:01 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/25 09:00 upstream ccd1cdca5cd4 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_prime_destroy_file_private
2025/12/23 22:49 upstream b927546677c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_prime_destroy_file_private
2025/12/23 20:36 upstream b927546677c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/23 03:09 upstream 9448598b22c5 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/22 09:16 upstream 765b233a9b94 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/22 05:13 upstream 765b233a9b94 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/21 18:10 upstream 9094662f6707 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_prime_destroy_file_private
2025/12/21 17:22 upstream 9094662f6707 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/20 10:05 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/20 08:08 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/19 22:20 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/19 20:08 upstream dd9b004b7ff3 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/19 03:15 upstream 516471569089 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/18 16:56 upstream ea1013c15392 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/17 20:36 upstream ea1013c15392 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/16 23:30 upstream 40fbbd64bba6 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/16 01:27 upstream 8f0b4cce4481 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/14 23:07 upstream 8f0b4cce4481 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/14 14:15 upstream 8f0b4cce4481 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_prime_destroy_file_private
2025/12/12 15:50 upstream 187d0801404f d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/12/12 08:20 upstream d358e5254674 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_prime_destroy_file_private
2025/11/04 09:36 upstream 8bb886cb8f3a 686bf657 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_prime_destroy_file_private
2025/10/17 05:30 upstream 98ac9cc4b445 19568248 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2025/10/10 08:32 upstream 5472d60c129f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in drm_prime_destroy_file_private
2024/12/09 08:40 upstream 62b5a46999c7 9ac0fdc6 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_prime_destroy_file_private
2023/12/23 21:12 upstream 5254c0cbc92d fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_prime_destroy_file_private
2025/12/29 17:56 upstream 7839932417dd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in drm_prime_destroy_file_private
2025/12/03 03:09 upstream 4a26e7032d7d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in drm_prime_destroy_file_private
2025/12/29 03:04 upstream c875a6c32467 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/28 09:34 upstream d26143bb38e2 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/28 04:12 upstream d26143bb38e2 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/26 03:06 upstream ccd1cdca5cd4 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/24 12:23 upstream b927546677c8 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/23 08:42 upstream b927546677c8 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/23 01:53 upstream 9448598b22c5 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/22 20:06 upstream 9448598b22c5 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/21 07:54 upstream d8ba32c5a460 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/21 00:04 upstream d8ba32c5a460 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/19 07:51 upstream 516471569089 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/18 01:31 upstream ea1013c15392 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/17 02:21 upstream 40fbbd64bba6 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/16 00:20 upstream 8f0b4cce4481 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/15 01:46 upstream 8f0b4cce4481 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in drm_prime_destroy_file_private
2025/12/13 08:50 upstream 9551a26f17d9 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/12 14:14 upstream 187d0801404f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in drm_prime_destroy_file_private
2025/12/28 16:11 upstream d26143bb38e2 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_prime_destroy_file_private
2025/12/27 19:05 upstream c53f467229a7 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_prime_destroy_file_private
2025/12/23 00:42 upstream 9448598b22c5 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_prime_destroy_file_private
2025/12/12 17:36 upstream 187d0801404f d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in drm_prime_destroy_file_private
2025/11/01 05:09 upstream b909d77359b8 2c50b6a9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in drm_prime_destroy_file_private
2025/11/29 14:34 linux-next 7d31f578f323 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_prime_destroy_file_private
2025/11/23 22:18 linux-next d724c6f85e80 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in drm_prime_destroy_file_private
2025/10/17 06:20 linux-next 2433b8476165 19568248 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in drm_prime_destroy_file_private
2025/06/13 17:34 linux-next bc6e0ba6c9ba 98683f8f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_prime_destroy_file_private
2025/12/23 13:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f0b4cce4481 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_prime_destroy_file_private
2025/12/18 03:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f0b4cce4481 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_prime_destroy_file_private
2025/12/13 20:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_prime_destroy_file_private
* Struck through repros no longer work on HEAD.