------------[ cut here ]------------ kcov->t != t WARNING: kernel/kcov.c:483 at kcov_task_exit+0xf5/0x160 kernel/kcov.c:483, CPU#1: kworker/u8:10/1198 Modules linked in: CPU: 1 UID: 0 PID: 1198 Comm: kworker/u8:10 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:kcov_task_exit+0xf5/0x160 kernel/kcov.c:483 Code: 10 00 00 48 8b bb 90 00 00 00 e8 f6 ce 55 00 48 89 df 5b 41 5e 41 5f e9 c9 8f 5b 00 7c 1c 5b 41 5e 41 5f e9 8d f7 5a 09 cc 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 3b 90 59 09 48 89 df be 03 00 RSP: 0000:ffffc900064cfcc0 EFLAGS: 00010287 RAX: d0842bfaaae12200 RBX: ffff888024cd9400 RCX: 0000000000000000 RDX: 000000006076a717 RSI: ffffffff8ba75cc0 RDI: 00000000ffffffff RBP: ffffc900064cfe18 R08: ffffffff8b1dfb60 R09: ffffffff8dfc8100 R10: dffffc0000000000 R11: fffffbfff1f10dff R12: dffffc0000000000 R13: 0000000000000000 R14: ffff888024cd9408 R15: ffff888029171ec0 FS: 0000000000000000(0000) GS:ffff888126287000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd15759f43c CR3: 000000003fde4000 CR4: 00000000003526f0 Call Trace: do_exit+0x150/0x22c0 kernel/exit.c:909 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