------------[ cut here ]------------ kcov->t != t WARNING: kernel/kcov.c:475 at kcov_task_exit+0x181/0x240 kernel/kcov.c:475, CPU#1: sed/9112 Modules linked in: CPU: 1 UID: 0 PID: 9112 Comm: sed 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 a0 d3 57 00 4c 89 f7 5b 41 5e 41 5f e9 83 93 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:ffffc90004507d20 EFLAGS: 00010206 RAX: e4a7955438ac4400 RBX: ffff888029271f00 RCX: 0000000000000000 RDX: 00000000a240bbca RSI: ffffffff8bca5360 RDI: 00000000ffffffff RBP: ffffc90004507e80 R08: ffffffff8b43fb20 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8e1c3000 R12: 0000000000000000 R13: ffff888029271f00 R14: ffff888020e84400 R15: ffff888020e84408 FS: 00007fb5c61e4c80(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5c621fe9c CR3: 0000000037cfa000 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: 0033:0x7fb5c637e6c5 Code: ff ff ff 64 89 02 eb d2 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 35 21 f7 0f 00 ba e7 00 00 00 eb 03 66 90 f4 89 d0 0f 05 <48> 3d 00 f0 ff ff 76 f3 f7 d8 64 89 06 eb ec 66 2e 0f 1f 84 00 00 RSP: 002b:00007ffee259f388 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fb5c647ffe8 RCX: 00007fb5c637e6c5 RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb5c647e680 R15: 00007fb5c6480000