------------[ cut here ]------------
kcov->t != t
WARNING: kernel/kcov.c:483 at kcov_task_exit+0xf5/0x160, CPU#1: syz.0.11159/10585
Modules linked in:
CPU: 1 UID: 0 PID: 10585 Comm: syz.0.11159 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:kcov_task_exit+0xf5/0x160
Code: 10 00 00 48 8b bb 90 00 00 00 e8 a6 31 58 00 48 89 df 5b 41 5e 41 5f e9 c9 ed 5d 00 7c 1c 5b 41 5e 41 5f e9 bd 78 67 09 cc 90 <0f> 0b 90 4c 89 f7 5b 41 5e 41 5f e9 1b 0f 66 09 48 89 df be 03 00
RSP: 0018:ffffc90004dafae0 EFLAGS: 00010206
RAX: 0e5e1674ab731f00 RBX: ffff88817688d300 RCX: 0000000000000000
RDX: 000000002129c13a RSI: ffffffff8ba85b40 RDI: 00000000ffffffff
RBP: ffffc90004dafc30 R08: ffffffff8b2ad9d0 R09: ffffffff8dfc8240
R10: dffffc0000000000 R11: fffffbfff1f1597f R12: dffffc0000000000
R13: 0000000000000009 R14: ffff88817688d308 R15: ffff8881720e0000
FS:  000055558c816500(0000) GS:ffff8882a9f1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32508ff8 CR3: 000000017f700000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 do_exit+0x150/0x22c0
 do_group_exit+0x21b/0x2d0
 get_signal+0x1284/0x1330
 arch_do_signal_or_restart+0xbc/0x840
 exit_to_user_mode_loop+0x8c/0x4d0
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f57d894cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff540cf288 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fff540cf370 RCX: 00007f57d894cdd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00000000001979e1 R08: 0000000000000001 R09: 46815929601aad29
R10: 0000001b31520000 R11: 0000000000000246 R12: 00007fff540cf3b0
R13: 00007f57d8bc5fac R14: 00000000001980a1 R15: 00007f57d8bc5fa0
 </TASK>
