------------[ cut here ]------------
debug_locks && p->lockdep_depth
WARNING: kernel/freezer.c:139 at __set_task_frozen+0x260/0x340 kernel/freezer.c:139, CPU#1: syz.4.5/5821
Modules linked in:
CPU: 1 UID: 0 PID: 5821 Comm: syz.4.5 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__set_task_frozen+0x260/0x340 kernel/freezer.c:139
Code: 00 80 00 00 89 e8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 15 09 97 09 cc e8 ef 21 15 00 90 0f 0b 90 e9 f7 fe ff ff e8 e1 21 15 00 90 <0f> 0b 90 eb 93 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c c3 fd ff ff
RSP: 0018:ffffc900060afa10 EFLAGS: 00010087
RAX: ffffffff81b0b75f RBX: ffff88802fa18000 RCX: 0000000000080000
RDX: ffffc90006f19000 RSI: 000000000007123b RDI: 000000000007123c
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff81b0b500 R12: ffff88802fa18018
R13: 1ffff11005f43003 R14: 0000000000000000 R15: ffff88802fa18c00
FS:  00007f89108e66c0(0000) GS:ffff888125d3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe9e752b700 CR3: 0000000022792000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 task_call_func+0x1aa/0x260 kernel/sched/core.c:4495
 __freeze_task kernel/freezer.c:150 [inline]
 freeze_task+0x216/0x390 kernel/freezer.c:169
 try_to_freeze_tasks+0x190/0x620 kernel/power/process.c:54
 freeze_processes+0xce/0x1e0 kernel/power/process.c:137
 hibernate+0x247/0x680 kernel/power/hibernate.c:801
 state_store+0x234/0x290 kernel/power/main.c:821
 kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f891268e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f89108e6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8912915fa0 RCX: 00007f891268e019
RDX: 0000000000000006 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007f891272500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8912916038 R14: 00007f8912915fa0 R15: 00007ffca0dd5f28
 </TASK>