syzbot

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WARNING: CPU: 0 PID: 9603 at kernel/kcov.c:477 kcov_task_exit+0x13c/0x150 kernel/kcov.c:477
Modules linked in:
CPU: 0 UID: 0 PID: 9603 Comm: syz.0.1086 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 46 c5 8e 48 c7 c6 c6 2b da 8c 48 c7 c2 8c 01 d9 8c 4c 89 f9 e8 42 5d 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 e4 3e 04 09 0f 1f 40 00 90 90
RSP: 0018:ffffc9001247fd00 EFLAGS: 00010287
RAX: d3ed817a94655a00 RBX: ffff88803b053700 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8b3ddfc0 RDI: 00000000ffffffff
RBP: ffffc9001247fe68 R08: 0000000000000000 R09: ffffffff8ac2eb41
R10: dffffc0000000000 R11: fffffbfff1dac84f R12: 1ffff1100583e79d
R13: 0000000000000000 R14: ffff88803b053708 R15: ffff88805bfcbc00
FS:  000055557a3ba500(0000) GS:ffff888126df6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8294079000 CR3: 0000000038440000 CR4: 00000000003526f0
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: 0033:0x7fc84687f749
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:00007ffc17eda1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc84687f749
RDX: 0000001b2ee24000 RSI: 000000000000001b RDI: 0000000000000000
RBP: 00007ffc17eda20c R08: 0000000000001bd4 R09: 000055557a3cd590
R10: 00000000003fe208 R11: 0000000000000246 R12: 00000000000000d4
R13: 000055557a3cd590 R14: 000000000006ac8a R15: 00007ffc17eda260
 </TASK>