------------[ cut here ]------------ WARNING: CPU: 1 PID: 10635 at kernel/kcov.c:477 kcov_task_exit+0x13c/0x150 kernel/kcov.c:477 Modules linked in: CPU: 1 UID: 0 PID: 10635 Comm: syz.4.2099 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:kcov_task_exit+0x13c/0x150 kernel/kcov.c:477 Code: c7 c7 10 44 c5 8e 48 c7 c6 cb 26 da 8c 48 c7 c2 aa fc d8 8c 4c 89 f9 e8 32 4b f1 02 4c 39 bb 98 00 00 00 0f 84 ff fe ff ff 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 d4 2e 04 09 0f 1f 40 00 90 90 RSP: 0018:ffffc9000d22fd00 EFLAGS: 00010287 RAX: 0e0b2428b200f000 RBX: ffff888030f85e00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8b3ddfc0 RDI: 00000000ffffffff RBP: ffffc9000d22fe68 R08: 0000000000000000 R09: ffffffff8ac2db41 R10: dffffc0000000000 R11: fffffbfff1dac80f R12: 1ffff11004c9e79d R13: 0000000000000000 R14: ffff888030f85e08 R15: ffff888038d39e00 FS: 000055555cced500(0000) GS:ffff888126ef7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556d8b3014b0 CR3: 000000003699e000 CR4: 00000000003526f0 Call Trace: do_exit+0x105/0x2300 kernel/exit.c:905 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107 __do_sys_exit_group kernel/exit.c:1118 [inline] __se_sys_exit_group kernel/exit.c:1116 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1116 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcd483cf749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffffc70cdd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd483cf749 RDX: 00007fcd47639000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffffc70ce3c R08: 00000000000157b8 R09: 00000000000927c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000001c5 R13: 00000000000927c0 R14: 000000000004bf6e R15: 00007ffffc70ce90