------------[ cut here ]------------
WARNING: kernel/kcov.c:477 at kcov_task_exit+0xf5/0x160 kernel/kcov.c:477, CPU#1: syz.4.4397/22714
Modules linked in:
CPU: 1 UID: 0 PID: 22714 Comm: syz.4.4397 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:kcov_task_exit+0xf5/0x160 kernel/kcov.c:477
Code: 10 00 00 48 8b bb 90 00 00 00 e8 e6 24 51 00 48 89 df 5b 41 5e 41 5f e9 f9 c8 56 00 7c 1c 5b 41 5e 41 5f c3 cc cc cc cc cc 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 1b 55 14 09 48 89 df be 03 00
RSP: 0018:ffffc900051e7ae0 EFLAGS: 00010287
RAX: d132beb41982ee00 RBX: ffff88804a8be700 RCX: 0000000000000000
RDX: 00000000256043ac RSI: ffffffff8b3f5740 RDI: 00000000ffffffff
RBP: ffffc900051e7c28 R08: ffffffff8ad40021 R09: ffffffff8d5ae940
R10: dffffc0000000000 R11: fffffbfff1db66af R12: 1ffff110053c6c4d
R13: 0000000000000009 R14: ffff88804a8be708 R15: ffff88805f420000
FS:  000055558dc75500(0000) GS:ffff888126def000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33114ff8 CR3: 000000005cd4a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_exit+0xd1/0x22f0 kernel/exit.c:904
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
 get_signal+0x125d/0x1310 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x87/0x4e0 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+0x2c1/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f23ff56f749
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:00007ffd84d64388 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000002b80f0 RCX: 00007f23ff56f749
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f23ff7c7da0 R08: 0000000000000001 R09: 0000001784d6467f
R10: 0000001b2c520000 R11: 0000000000000246 R12: 00007f23ff7c5fac
R13: 00007f23ff7c5fa0 R14: ffffffffffffffff R15: 00007ffd84d644a0
 </TASK>