tipc: Node number set to 946613746
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.15.0-rc2-syzkaller-00258-g750d0ac001e8 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events tipc_net_finalize_work
RIP: 0010:tipc_mon_reinit_self+0xb2/0x300 net/tipc/monitor.c:719
Code: 8b 2c 24 48 81 c3 08 10 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 18 ff 67 f6 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a9 01 00 00 89 2b 4c 89 f7 e8 f7 64 6d
RSP: 0018:ffffc900000f7a08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff8e4db511 RDI: ffffffff8ca1b5a0
RBP: 00000000386c2df2 R08: ffffffff8bc4eef8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805e6dc010
R13: dffffc0000000000 R14: ffff88807ba95010 R15: ffff888077ec8000
FS:  0000000000000000(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25cabb CR3: 000000003427a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tipc_net_finalize+0x206/0x340 net/tipc/net.c:140
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:tipc_mon_reinit_self+0xb2/0x300 net/tipc/monitor.c:719
Code: 8b 2c 24 48 81 c3 08 10 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 18 ff 67 f6 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 a9 01 00 00 89 2b 4c 89 f7 e8 f7 64 6d
RSP: 0018:ffffc900000f7a08 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000003
RDX: 0000000000000000 RSI: ffffffff8e4db511 RDI: ffffffff8ca1b5a0
RBP: 00000000386c2df2 R08: ffffffff8bc4eef8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805e6dc010
R13: dffffc0000000000 R14: ffff88807ba95010 R15: ffff888077ec8000
FS:  0000000000000000(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25cabb CR3: 000000003427a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8b 2c 24             	mov    (%rsp),%ebp
   3:	48 81 c3 08 10 00 00 	add    $0x1008,%rbx
   a:	48 89 d8             	mov    %rbx,%rax
   d:	48 c1 e8 03          	shr    $0x3,%rax
  11:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  16:	74 08                	je     0x20
  18:	48 89 df             	mov    %rbx,%rdi
  1b:	e8 18 ff 67 f6       	call   0xf667ff38
  20:	48 8b 1b             	mov    (%rbx),%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 a9 01 00 00    	jne    0x1e0
  37:	89 2b                	mov    %ebp,(%rbx)
  39:	4c 89 f7             	mov    %r14,%rdi
  3c:	e8                   	.byte 0xe8
  3d:	f7                   	.byte 0xf7
  3e:	64 6d                	fs insl (%dx),%es:(%rdi)