------------[ cut here ]------------
WARNING: CPU: 0 PID: 23174 at kernel/kcov.c:477 kcov_task_exit+0x13c/0x150 kernel/kcov.c:477
Modules linked in:
CPU: 0 UID: 0 PID: 23174 Comm: syz.7.6559 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 90 3e c5 8e 48 c7 c6 38 22 da 8c 48 c7 c2 17 f8 d8 8c 4c 89 f9 e8 a2 3b 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 c4 0e 04 09 0f 1f 40 00 90 90
RSP: 0018:ffffc90005b8fd00 EFLAGS: 00010206
RAX: 8f947b1165c56a00 RBX: ffff88803d143600 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8b3ddd40 RDI: 00000000ffffffff
RBP: ffffc90005b8fe68 R08: 0000000000000000 R09: ffffffff8ac2bb41
R10: dffffc0000000000 R11: fffffbfff1dac76f R12: 1ffff11005537e2d
R13: 0000000000000000 R14: ffff88803d143608 R15: ffff888038f6bc00
FS:  000055557dcf8500(0000) GS:ffff888126df7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000004c000 CR3: 0000000053aa0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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: 0033:0x7f508643f6c9
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:00007ffecd64d2d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f508643f6c9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffecd64d33c R08: 00000005cd64d3cf R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000028c
R13: 00000000000927c0 R14: 0000000000155c56 R15: 00007ffecd64d390
 </TASK>