------------[ cut here ]------------
kcov->t != t
WARNING: kernel/kcov.c:483 at kcov_task_exit+0xf5/0x160, CPU#0: syz.3.1141/10129
Modules linked in:
CPU: 0 UID: 0 PID: 10129 Comm: syz.3.1141 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:ffffc90020ab7d20 EFLAGS: 00010283
RAX: c6e5ca9ce9c61c00 RBX: ffff888166763d00 RCX: 0000000000000000
RDX: 000000000a0d1f72 RSI: ffffffff8ba85b40 RDI: 00000000ffffffff
RBP: ffffc90020ab7e78 R08: ffffffff8b2ad9d0 R09: ffffffff8dfc8240
R10: dffffc0000000000 R11: fffffbfff1f1597f R12: dffffc0000000000
R13: 0000000000000000 R14: ffff888166763d08 R15: ffff888169ad9d80
FS:  000055556ff02500(0000) GS:ffff88818e91f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3f1c61 CR3: 000000016b16e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 do_exit+0x150/0x22c0
 do_group_exit+0x21b/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x221a/0x2240
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f815c3ccdd9
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:00007ffd07fec658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f815c3ccdd9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd07fec6bc R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000152
R13: 00000000000927c0 R14: 000000000003e4e1 R15: 00007ffd07fec710
 </TASK>
