------------[ cut here ]------------ kcov->t != t WARNING: kernel/kcov.c:483 at kcov_task_exit+0xf5/0x160 kernel/kcov.c:483, CPU#0: kworker/0:1/10 Modules linked in: CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:kcov_task_exit+0xf5/0x160 kernel/kcov.c:483 Code: 10 00 00 48 8b bb 90 00 00 00 e8 f6 b0 55 00 48 89 df 5b 41 5e 41 5f e9 19 6e 5b 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 7b 64 69 09 48 89 df be 03 00 RSP: 0018:ffffc900000f7cc0 EFLAGS: 00010206 RAX: cf039bdaf794b600 RBX: ffff888036b2fd00 RCX: 0000000000000000 RDX: 00000000b9174e89 RSI: ffffffff8ba732c0 RDI: 00000000ffffffff RBP: ffffc900000f7e18 R08: ffffffff8b2df740 R09: ffffffff8dfc80c0 R10: dffffc0000000000 R11: fffffbfff1f1753f R12: dffffc0000000000 R13: 0000000000000000 R14: ffff888036b2fd08 R15: ffff88801ced3d80 FS: 0000000000000000(0000) GS:ffff888126104000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fce1ca8e000 CR3: 00000000282a4000 CR4: 00000000003526f0 Call Trace: do_exit+0x150/0x22c0 kernel/exit.c:908 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