------------[ cut here ]------------
WARNING: CPU: 0 PID: 4871 at kernel/kcov.c:477 kcov_task_exit+0x13c/0x150 kernel/kcov.c:477
Modules linked in:
CPU: 0 UID: 0 PID: 4871 Comm: syz.2.10386 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:kcov_task_exit+0x13c/0x150 kernel/kcov.c:477
Code: c7 c7 50 45 c5 8e 48 c7 c6 b7 27 da 8c 48 c7 c2 96 fd d8 8c 4c 89 f9 e8 32 4b f1 02 4c 39 bb 98 00 00 00 0f 84 ff fe ff ff 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 d4 2e 04 09 0f 1f 40 00 90 90
RSP: 0018:ffffc900051c7ac0 EFLAGS: 00010287
RAX: 4f77960a866d8000 RBX: ffff888040e23200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8b3ddfc0 RDI: 00000000ffffffff
RBP: ffffc900051c7c28 R08: 0000000000000000 R09: ffffffff8ac2db41
R10: dffffc0000000000 R11: fffffbfff1dac84f R12: 1ffff11004db65bd
R13: 0000000000000000 R14: ffff888040e23208 R15: ffff8880301b3c00
FS:  00007f08fc2466c0(0000) GS:ffff888126df7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3051bff8 CR3: 0000000067da8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_exit+0x105/0x2300 kernel/exit.c:905
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107
 get_signal+0x125d/0x1310 kernel/signal.c:3034
 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f08fdfdf749
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:00007f08fc2460e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f08fe235fa8 RCX: 00007f08fdfdf749
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f08fe235fa8
RBP: 00007f08fe235fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08fe236038 R14: 00007ffd216fc130 R15: 00007ffd216fc218
 </TASK>