RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 UID: 0 PID: 9903 Comm: syz.6.849 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:path_put+0x22/0x70 fs/namei.c:722
Code: 90 90 90 90 90 90 90 90 f3 0f 1e fa 53 48 89 fb e8 f3 77 79 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 29 48 8b 7b 08 e8 df 82 04 00 48 89 da 48 b8 00 00
RSP: 0018:ffffc900074dfa50 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 000000000000003c RCX: 0000000000000000
RDX: 0000000000000008 RSI: ffffffff8290346d RDI: 0000000000000044
RBP: ffffc900074dfbe0 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff9b744c40 R11: 0000000000000000 R12: ffff8880263c7008
R13: ffff88806d6e6720 R14: ffff88802560ae00 R15: fffffffffffffff4
FS:  0000000000000000(0000) GS:ffff888096be3000(0063) knlGS:00000000f53fdb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f700f000 CR3: 0000000048c08000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 free_trace_uprobe kernel/trace/trace_uprobe.c:374 [inline]
 free_trace_uprobe kernel/trace/trace_uprobe.c:369 [inline]
 __free_free_trace_uprobe kernel/trace/trace_uprobe.c:536 [inline]
 __trace_uprobe_create+0x96d/0x22f0 kernel/trace/trace_uprobe.c:545
 trace_probe_create+0xef/0x100 kernel/trace/trace_probe.c:2371
 dyn_event_create+0x46/0x70 kernel/trace/trace_dynevent.c:128
 create_or_delete_trace_uprobe+0x5a/0xb0 kernel/trace/trace_uprobe.c:739
 trace_parse_run_command+0x1ab/0x3b0 kernel/trace/trace.c:9565
 vfs_write+0x2aa/0x1050 fs/read_write.c:685
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf700efec
Code: Unable to access opcode bytes at 0xf700efc2.
RSP: 002b:00000000f53fd50c EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000080000200
RDX: 0000000000000016 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:path_put+0x22/0x70 fs/namei.c:722
Code: 90 90 90 90 90 90 90 90 f3 0f 1e fa 53 48 89 fb e8 f3 77 79 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 29 48 8b 7b 08 e8 df 82 04 00 48 89 da 48 b8 00 00
RSP: 0018:ffffc900074dfa50 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 000000000000003c RCX: 0000000000000000
RDX: 0000000000000008 RSI: ffffffff8290346d RDI: 0000000000000044
RBP: ffffc900074dfbe0 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff9b744c40 R11: 0000000000000000 R12: ffff8880263c7008
R13: ffff88806d6e6720 R14: ffff88802560ae00 R15: fffffffffffffff4
FS:  0000000000000000(0000) GS:ffff888096ce3000(0063) knlGS:00000000f53fdb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f71e2fc0 CR3: 0000000048c08000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	f3 0f 1e fa          	endbr64
   c:	53                   	push   %rbx
   d:	48 89 fb             	mov    %rdi,%rbx
  10:	e8 f3 77 79 ff       	call   0xff797808
  15:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	75 29                	jne    0x59
  30:	48 8b 7b 08          	mov    0x8(%rbx),%rdi
  34:	e8 df 82 04 00       	call   0x48318
  39:	48 89 da             	mov    %rbx,%rdx
  3c:	48                   	rex.W
  3d:	b8                   	.byte 0xb8