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WARNING in drm_gem_prime_fd_to_handle

Status: upstream: reported C repro on 2023/12/08 05:49
Subsystems: dri
[Documentation on labels]
Reported-by: syzbot+268d319a7bfd92f4ae01@syzkaller.appspotmail.com
First crash: 291d, last: 12d
Cause bisection: introduced by (bisect log) :
commit 85e26dd5100a182bf8448050427539c0a66ab793
Author: Christian KΓΆnig <christian.koenig@amd.com>
Date: Thu Jan 26 09:24:26 2023 +0000

  drm/client: fix circular reference counting issue

Crash: WARNING in drm_gem_prime_fd_to_handle (log)
Repro: C syz .config
  
▶ ▼ Discussions (9)
Title Replies (including bot) Last reply
[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 (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] [dri?] WARNING in drm_gem_prime_fd_to_handle 0 (1) 2023/12/08 05:49
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/09/08 10:18 17m retest repro upstream report log
2024/08/25 09:30 27m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/07/01 15:11 1h49m retest repro upstream report log
2024/07/01 15:11 17m retest repro upstream report log
2024/07/01 15:11 23m retest repro upstream report log
2024/07/01 15:11 52m retest repro upstream report log
2024/06/16 08:46 15m retest repro linux-next error
2024/06/16 08:46 15m retest repro upstream report log
2024/06/16 08:46 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2024/06/01 13:42 18m retest repro upstream report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/08/01 03:50 1h28m bisect fix upstream OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5196 at drivers/gpu/drm/drm_prime.c:326 drm_gem_prime_fd_to_handle+0x3bf/0x460 drivers/gpu/drm/drm_prime.c:326
Modules linked in:
CPU: 1 PID: 5196 Comm: syz-executor368 Not tainted 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:drm_gem_prime_fd_to_handle+0x3bf/0x460 drivers/gpu/drm/drm_prime.c:326
Code: 24 18 e8 14 81 fc ff 4c 89 ff e8 5c 0f ac 00 44 89 f3 e9 77 ff ff ff e8 cf de 44 fc 4c 89 ff e9 65 ff ff ff e8 c2 de 44 fc 90 <0f> 0b 90 e9 c2 fe ff ff e8 b4 de 44 fc 4c 89 ff be 03 00 00 00 e8
RSP: 0018:ffffc90003f7fbc8 EFLAGS: 00010293
RAX: ffffffff8551310e RBX: 1ffff11002ef7f25 RCX: ffff88802c771e00
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 00000000ffffffff
RBP: ffff8880177bf928 R08: ffffffff85515065 R09: 1ffff11002ef7f00
R10: dffffc0000000000 R11: ffffed1002ef7f01 R12: ffff88802aaf7c00
R13: dffffc0000000000 R14: ffff88802aaf7c00 R15: ffff8880177bf800
FS:  0000555567a34380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000580 CR3: 0000000021098000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_ioctl_kernel+0x33a/0x440 drivers/gpu/drm/drm_ioctl.c:744
 drm_ioctl+0x63a/0xb10 drivers/gpu/drm/drm_ioctl.c:841
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f59bf79ae69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeea9d28b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f59bf79ae69
RDX: 0000000020000000 RSI: 00000000c00c642e RDI: 0000000000000003
RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0
R10: 00000000000000a0 R11: 0000000000000246 R12: 000000000000e63f
R13: 00007ffeea9d28cc R14: 00007ffeea9d28e0 R15: 00007ffeea9d28d0
 </TASK>

Crashes (17):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/05 07:02 upstream 7367539ad4b0 610f2a54 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_gem_prime_fd_to_handle
2024/04/25 11:15 upstream e88c4cfcb7b8 8bdc0f22 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in drm_gem_prime_fd_to_handle
2024/03/19 00:50 upstream fe46a7dd189e baa80228 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_gem_prime_fd_to_handle
2024/01/22 14:44 upstream 6613476e225e 9bd8dcda .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in drm_gem_prime_fd_to_handle
2024/01/12 08:35 upstream 22d29f1112c8 dda5a988 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_gem_prime_fd_to_handle
2023/12/04 05:45 upstream 33cc938e65a9 f819d6f7 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_gem_prime_fd_to_handle
2024/05/18 11:57 linux-next c75962170e49 c0f1611a .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_gem_prime_fd_to_handle
2023/12/12 04:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0128e0962959 28b24332 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_gem_prime_fd_to_handle
2024/02/28 10:29 upstream cf1182944c7c d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_gem_prime_fd_to_handle
2024/02/07 23:22 upstream 6d280f4d760e 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_gem_prime_fd_to_handle
2024/01/13 03:24 upstream 70d201a40823 dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in drm_gem_prime_fd_to_handle
2024/01/13 02:54 upstream 70d201a40823 dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in drm_gem_prime_fd_to_handle
2023/12/20 18:08 upstream 55cb5f43689d 3ad490ea .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in drm_gem_prime_fd_to_handle
2023/12/04 05:05 upstream 33cc938e65a9 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in drm_gem_prime_fd_to_handle
2023/12/20 18:29 linux-next 20d857259d7d 3ad490ea .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_gem_prime_fd_to_handle
2023/12/09 12:41 linux-next 8e00ce02066e 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in drm_gem_prime_fd_to_handle
2024/03/12 10:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 707081b61156 6ee49f2e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in drm_gem_prime_fd_to_handle
* Struck through repros no longer work on HEAD.