------------[ cut here ]------------
kcov->t != t
WARNING: kernel/kcov.c:475 at kcov_task_exit+0x181/0x240 kernel/kcov.c:475, CPU#0: napi/wg2-0/17003
Modules linked in:
CPU: 0 UID: 0 PID: 17003 Comm: napi/wg2-0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:kcov_task_exit+0x181/0x240 kernel/kcov.c:475
Code: 90 00 00 00 e8 00 d5 57 00 4c 89 f7 5b 41 5e 41 5f e9 e3 94 5d 00 7c 40 5b 41 5e 41 5f c3 cc cc cc cc cc 90 0f 0b 90 eb 10 90 <0f> 0b 90 eb 0a 90 0f 0b 90 eb 04 90 0f 0b 90 4c 89 ff 5b 41 5e 41
RSP: 0018:ffffc90005fb7cc0 EFLAGS: 00010206
RAX: 6df5f740d02d7c00 RBX: ffff88802f2a3e00 RCX: 0000000000000000
RDX: 00000000b78cd3ad RSI: ffffffff8bca5960 RDI: 00000000ffffffff
RBP: ffffc90005fb7e18 R08: ffffffff8b45cb80 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e1c3000 R12: 0000000000000000
R13: 1ffff11005e547c5 R14: ffff888031221a00 R15: ffff888031221a08
FS:  0000000000000000(0000) GS:ffff888125c46000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe33298ea0 CR3: 000000003b866000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_exit+0x159/0x2360 kernel/exit.c:942
 kthread+0x3a6/0x470 kernel/kthread.c:438
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>