------------[ cut here ]------------
WARNING: CPU: 0 PID: 4419 at kernel/freezer.c:129 __set_task_frozen+0x1dc/0x270 kernel/freezer.c:129
Modules linked in:
CPU: 0 PID: 4419 Comm: syz.3.4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __set_task_frozen+0x1dc/0x270 kernel/freezer.c:129
lr : __set_task_frozen+0x1dc/0x270 kernel/freezer.c:129
sp : ffff800021a47740
x29: ffff800021a47740 x28: ffff0000d47f5890 x27: 0000000000000005
x26: ffff8000153a4840 x25: 0000000000002102 x24: 1fffe00019945003
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000001
x20: 0000000000000003 x19: ffff0000cca28018 x18: 1fffe00033e7277e
x17: ffff80001537d000 x16: ffff8000082f2844 x15: ffff00019f393bfc
x14: 0000000000000001 x13: 1fffe00019945006 x12: 0000000000080000
x11: 000000000007ffff x10: ffff80002a1b1000 x9 : ffff8000083abd98
x8 : 0000000000080000 x7 : ffff800008246214 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000082462dc
x2 : 0000000000000000 x1 : 0000000000000003 x0 : 0000000000000000
Call trace:
 __set_task_frozen+0x1dc/0x270 kernel/freezer.c:129
 task_call_func+0x14c/0x198 kernel/sched/core.c:4308
 __freeze_task kernel/freezer.c:139 [inline]
 freeze_task+0x1f8/0x360 kernel/freezer.c:158
 try_to_freeze_tasks+0x184/0x5a4 kernel/power/process.c:54
 freeze_processes+0xdc/0x224 kernel/power/process.c:137
 hibernate+0x19c/0x594 kernel/power/hibernate.c:752
 state_store+0x254/0x2bc kernel/power/main.c:641
 kobj_attr_store+0x6c/0x90 lib/kobject.c:832
 sysfs_kf_write+0x1f8/0x274 fs/sysfs/file.c:140
 kernfs_fop_write_iter+0x390/0x4b4 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3c8/0x7c8 fs/read_write.c:584
 ksys_write+0x12c/0x228 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585