R13: 00007f1e9b626038 R14: 00007f1e9b625fa0 R15: 00007ffc4d743d78
 </TASK>
wakeup trace: Couldn't activate tracepoint probe to kernel_sched_wakeup
------------[ cut here ]------------
IS_ERR(old)
WARNING: kernel/tracepoint.c:369 at tracepoint_remove_func kernel/tracepoint.c:369 [inline], CPU#0: syz.5.400/7361
WARNING: kernel/tracepoint.c:369 at tracepoint_probe_unregister+0x1e6/0xa70 kernel/tracepoint.c:515, CPU#0: syz.5.400/7361
Modules linked in:
CPU: 0 UID: 0 PID: 7361 Comm: syz.5.400 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:tracepoint_remove_func kernel/tracepoint.c:369 [inline]
RIP: 0010:tracepoint_probe_unregister+0x1e6/0xa70 kernel/tracepoint.c:515
Code: e5 4c 8b 24 24 4c 8b 74 24 18 4c 8b 7c 24 08 48 81 fd 01 f0 ff ff 72 64 e9 bb 05 00 00 e8 d2 2b fe ff 48 c7 c5 fe ff ff ff 90 <0f> 0b 90 e9 26 08 00 00 e8 6d 81 2c 0a 89 c3 31 ff 89 c6 e8 b2 30
RSP: 0018:ffffc90006417b28 EFLAGS: 00010293
RAX: ffffffff81c9d91e RBX: 0000000000000001 RCX: ffff888036738000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: fffffffffffffffe R08: ffffffff909bb37f R09: 1ffffffff213766f
R10: dffffc0000000000 R11: fffffbfff2137670 R12: ffffffff90857870
R13: ffffffff81d03870 R14: ffffffff908578a8 R15: 1ffffffff210af15
FS:  00007f1e9c26b6c0(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e9b3eb840 CR3: 000000001ffd4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 unregister_trace_sched_switch include/trace/events/sched.h:220 [inline]
 tracing_sched_unregister kernel/trace/trace_sched_switch.c:87 [inline]
 tracing_stop_sched_switch kernel/trace/trace_sched_switch.c:129 [inline]
 tracing_stop_cmdline_record+0x6d/0xb0 kernel/trace/trace_sched_switch.c:140
 __ftrace_event_enable_disable+0x5bb/0x720 kernel/trace/trace_events.c:907
 ftrace_event_enable_disable kernel/trace/trace_events.c:934 [inline]
 event_enable_write+0x242/0x330 kernel/trace/trace_events.c:1956
 vfs_write+0x296/0xba0 fs/read_write.c:685
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1e9b39e159
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:00007f1e9c26b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1e9b625fa0 RCX: 00007f1e9b39e159
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000006
RBP: 00007f1e9c26b090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f1e9b626038 R14: 00007f1e9b625fa0 R15: 00007ffc4d743d78
 </TASK>