------------[ cut here ]------------
kcov->t != t
WARNING: kernel/kcov.c:483 at kcov_task_exit+0xf5/0x160 kernel/kcov.c:483, CPU#1: kworker/1:2/1230
Modules linked in:
CPU: 1 UID: 0 PID: 1230 Comm: kworker/1:2 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:kcov_task_exit+0xf5/0x160 kernel/kcov.c:483
Code: 10 00 00 48 8b bb 90 00 00 00 e8 e6 55 54 00 48 89 df 5b 41 5e 41 5f e9 a9 2d 5a 00 7c 1c 5b 41 5e 41 5f e9 bd 82 62 09 cc 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 1b 1c 61 09 48 89 df be 03 00
RSP: 0018:ffffc9000601fcc0 EFLAGS: 00010202
RAX: dfd5977e3b7c3f00 RBX: ffff88803652a200 RCX: 0000000000000000
RDX: 000000009c6ac396 RSI: ffffffff8ba671e0 RDI: 00000000ffffffff
RBP: ffffc9000601fe18 R08: ffffffff8b2591d0 R09: ffffffff8ddcba40
R10: dffffc0000000000 R11: fffffbfff1ed4b97 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff88803652a208 R15: ffff8880280d8000
FS:  0000000000000000(0000) GS:ffff888126439000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000032000 CR3: 0000000030d62000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_exit+0x150/0x23c0 kernel/exit.c:909
 kthread+0x3a6/0x470 kernel/kthread.c:438
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>