------------[ cut here ]------------
kcov->t != t
WARNING: kernel/kcov.c:475 at kcov_task_exit+0x181/0x240 kernel/kcov.c:475, CPU#0: syz.3.55/5976
Modules linked in:
CPU: 0 UID: 0 PID: 5976 Comm: syz.3.55 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:kcov_task_exit+0x181/0x240 kernel/kcov.c:475
Code: 90 00 00 00 e8 70 3d 5a 00 4c 89 f7 5b 41 5e 41 5f e9 23 fc 5f 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:ffffc900050d7ae0 EFLAGS: 00010287
RAX: 25ff59ea7889ab00 RBX: ffff888031351f00 RCX: 0000000000000000
RDX: 0000000014dee08c RSI: ffffffff8baa5660 RDI: 00000000ffffffff
RBP: ffffc900050d7c30 R08: ffffffff8b363b20 R09: ffffffff8dfcb2a0
R10: dffffc0000000000 R11: fffffbfff1f1ae1f R12: dffffc0000000000
R13: 0000000000000009 R14: ffff8880216b0100 R15: ffff8880216b0108
FS:  000055556e842500(0000) GS:ffff888125eb8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33916ff8 CR3: 0000000038aee000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_exit+0x150/0x22c0 kernel/exit.c:937
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1147
 get_signal+0x1284/0x1330 kernel/signal.c:3038
 arch_do_signal_or_restart+0xbc/0x840 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x104/0x710 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f616a19d68e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffd498647d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 000055556e842500 RCX: 00007f616a19d68e
RDX: 00007ffd49864830 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd49864980
R13: 00007f616a455fac R14: 000000000001bbaf R15: 00007f616a455fa0
 </TASK>