general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 16731 Comm: syz-executor.0 Not tainted 5.10.0-rc3-next-20201116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:drm_atomic_set_crtc_for_connector+0x426/0x5f0 drivers/gpu/drm/drm_atomic_uapi.c:342
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e a6 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 8b 4d 28 <80> 38 00 0f 85 83 01 00 00 48 8b 2c 25 00 00 00 00 48 b8 00 00 00
RSP: 0018:ffffc90009c9fa80 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88801fadb400 RCX: 0000000000000022
RDX: 1ffff11002fdca66 RSI: ffffffff84302d10 RDI: ffff888017ee5330
RBP: 0000000000000000 R08: ffff888142d6c3a0 R09: ffff888017ee5343
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804f8a5400
R13: ffff888017ee5308 R14: ffff88801fadb408 R15: ffff888051a81c80
FS:  0000000001986940(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000118c000 CR3: 000000002574c000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 update_output_state drivers/gpu/drm/drm_atomic.c:1454 [inline]
 __drm_atomic_helper_set_config+0x72a/0xe80 drivers/gpu/drm/drm_atomic.c:1568
 drm_client_modeset_commit_atomic+0x527/0x7c0 drivers/gpu/drm/drm_client_modeset.c:1023
 drm_client_modeset_commit_locked+0x145/0x580 drivers/gpu/drm/drm_client_modeset.c:1145
 drm_client_modeset_commit+0x4d/0x80 drivers/gpu/drm/drm_client_modeset.c:1171
 __drm_fb_helper_restore_fbdev_mode_unlocked drivers/gpu/drm/drm_fb_helper.c:252 [inline]
 __drm_fb_helper_restore_fbdev_mode_unlocked drivers/gpu/drm/drm_fb_helper.c:231 [inline]
 drm_fb_helper_restore_fbdev_mode_unlocked drivers/gpu/drm/drm_fb_helper.c:279 [inline]
 drm_fb_helper_lastclose drivers/gpu/drm/drm_fb_helper.c:1942 [inline]
 drm_fbdev_client_restore+0xe3/0x1a0 drivers/gpu/drm/drm_fb_helper.c:2334
 drm_client_dev_restore+0x17f/0x270 drivers/gpu/drm/drm_client.c:226
 drm_lastclose drivers/gpu/drm/drm_file.c:468 [inline]
 drm_release+0x441/0x530 drivers/gpu/drm/drm_file.c:499
 __fput+0x283/0x920 fs/file_table.c:280
 task_work_run+0xdd/0x190 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x1f0/0x200 kernel/entry/common.c:199
 syscall_exit_to_user_mode+0x38/0x260 kernel/entry/common.c:274
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x417811
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffe17b75ea0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000417811
RDX: 0000000000000000 RSI: 0000000000000081 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000001190f20 R09: 0000000000000000
R10: 00007ffe17b75f70 R11: 0000000000000293 R12: ffffffffffffffff
R13: 0000000000000000 R14: 0000000000000003 R15: 000000000118bf2c
Modules linked in:
---[ end trace 3e1e31001ac19b46 ]---
RIP: 0010:drm_atomic_set_crtc_for_connector+0x426/0x5f0 drivers/gpu/drm/drm_atomic_uapi.c:342
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e a6 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 8b 4d 28 <80> 38 00 0f 85 83 01 00 00 48 8b 2c 25 00 00 00 00 48 b8 00 00 00
RSP: 0018:ffffc90009c9fa80 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88801fadb400 RCX: 0000000000000022
RDX: 1ffff11002fdca66 RSI: ffffffff84302d10 RDI: ffff888017ee5330
RBP: 0000000000000000 R08: ffff888142d6c3a0 R09: ffff888017ee5343
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804f8a5400
R13: ffff888017ee5308 R14: ffff88801fadb408 R15: ffff888051a81c80
FS:  0000000001986940(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000748138 CR3: 000000002574c000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400