[  151.643868] BUG: kernel NULL pointer dereference, address: 00000016

[  151.644923] Oops: Oops: 0000 [#1] PREEMPT SMP

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[  151.628989] WARNING: CPU: 0 PID: 2450 at kernel/trace/ftrace.c:378 __unregister_ftrace_function+0x8c/0x9c
[  151.629428] Modules linked in: fuse configfs [last unloaded: trace_events_sample]
[  151.630935] CPU: 0 UID: 0 PID: 2450 Comm: ftracetest Not tainted 6.12.33-rc1 #1
[  151.631460] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  151.631860] EIP: __unregister_ftrace_function+0x8c/0x9c
[  151.632050] Code: ef 2e 8d b4 26 00 00 00 00 90 81 7b 04 e0 d2 f8 da b8 c8 d2 f8 da 75 ca ba e0 d2 f8 da 89 15 c8 d2 f8 da eb c2 2e 8d 74 26 00 <0f> 0b b8 f0 ff ff ff c3 b8 ff ff ff ff eb be 90 a2 88 e6 e5 da c3
[  151.632329] EAX: c2304b4c EBX: c2304b4c ECX: 00000000 EDX: c2331700
[  151.632898] ESI: c2304b4c EDI: c2304b4c EBP: c2d39d74 ESP: c2d39d54
[  151.633157] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246
[  151.633877] CR0: 80050033 CR2: 0091a280 CR3: 02dea000 CR4: 000006d0
[  151.634931] Call Trace:
[  151.635833]  ? unregister_ftrace_function+0x29/0x12c
[  151.636162]  ? preempt_count_sub+0x54/0x78
[  151.636361]  unregister_fprobe+0x42/0x74
[  151.636501]  trace_fprobe_release+0xbf/0x18c
[  151.636738]  ? selinux_file_open+0x98/0xe0
[  151.636900]  dyn_events_release_all+0x7b/0xf8
[  151.636983]  dyn_event_open+0x3b/0x44
[  151.637035]  do_dentry_open+0x139/0x41c
[  151.637086]  ? dyn_events_release_all+0xf8/0xf8
[  151.637144]  vfs_open+0x2a/0xdc
[  151.637240]  ? may_open+0x84/0x17c
[  151.637370]  path_openat+0x6ea/0x1058
[  151.637557]  ? __call_rcu_common.constprop.0+0x106/0x394
[  151.637830]  do_filp_open+0xae/0x154
[  151.637982]  do_sys_openat2+0xb5/0xe4
[  151.638116]  __ia32_sys_openat+0x66/0xb0
[  151.638868]  ia32_sys_call+0x141/0x2818
[  151.639027]  __do_fast_syscall_32+0x4c/0xc8
[  151.639089]  do_fast_syscall_32+0x2b/0x60
[  151.639156]  do_SYSENTER_32+0x15/0x18
[  151.639264]  entry_SYSENTER_32+0xa6/0x115
[  151.639385] EIP: 0xb7f94579
[  151.640683] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76
[  151.641100] EAX: ffffffda EBX: ffffff9c ECX: 013ce6f4 EDX: 00008241
[  151.641426] ESI: 000001b6 EDI: 00000000 EBP: 00000000 ESP: bfa33f70
[  151.642091] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000246
[  151.642685] ---[ end trace 0000000000000000 ]---

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