------------[ cut here ]------------ kcov->t != t WARNING: kernel/kcov.c:475 at kcov_task_exit+0x181/0x240 kernel/kcov.c:475, CPU#1: syz.0.3577/13355 Modules linked in: CPU: 1 UID: 0 PID: 13355 Comm: syz.0.3577 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 e0 d2 57 00 4c 89 f7 5b 41 5e 41 5f e9 c3 92 5d 00 7c 40 5b 41 5e 41 5f e9 97 5b 82 09 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:ffffc900214afd20 EFLAGS: 00010287 RAX: 3f6abfa2be530800 RBX: ffff8880256b1f00 RCX: 0000000000000000 RDX: 0000000014dee08c RSI: ffffffff8bca7860 RDI: 00000000ffffffff RBP: ffffc900214afe80 R08: ffffffff8b46cb20 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8e1c3000 R12: 0000000000000000 R13: ffff8880256b1f00 R14: ffff88801c2cd200 R15: ffff88801c2cd208 FS: 000055555623f500(0000) GS:ffff888125d3e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f00476b56c8 CR3: 000000006a3a2000 CR4: 00000000003526f0 Call Trace: do_exit+0x159/0x2360 kernel/exit.c:942 do_group_exit+0x22d/0x2f0 kernel/exit.c:1152 __do_sys_exit_group kernel/exit.c:1163 [inline] __se_sys_exit_group kernel/exit.c:1161 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1161 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd01071e019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffed2c6c318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd01071e019 RDX: 00007fd00f979000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed2c6c37c R08: 0000000000000000 R09: 00000000000927c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000002d3 R13: 00000000000927c0 R14: 000000000006475b R15: 00007ffed2c6c3d0