general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 16380 Comm: syz-executor.3 Not tainted 5.19.0-rc5-syzkaller-00056-ge35e5b6f695d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
RIP: 0010:__lock_acquire+0xd85/0x5660 kernel/locking/lockdep.c:4923
Code: 77 0e 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 c1 0e 77 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 1e 2d 00 00 48 81 3b 20 34 2b 8f 0f 84 4f f3 ff
RSP: 0018:ffffc900058279b8 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000018 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803b43a080 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fbf5754d700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7ba257cfe4 CR3: 0000000076246000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5665 [inline]
 lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
 prepare_to_wait+0x43/0x370 kernel/sched/wait.c:265
 nr_accept+0x201/0x640 net/netrom/af_netrom.c:793
 do_accept+0x37c/0x510 net/socket.c:1856
 __sys_accept4_file+0x7e/0xe0 net/socket.c:1899
 __sys_accept4+0xb0/0x100 net/socket.c:1929
 __do_sys_accept4 net/socket.c:1941 [inline]
 __se_sys_accept4 net/socket.c:1938 [inline]
 __x64_sys_accept4+0x93/0xf0 net/socket.c:1938
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fbf56489109
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbf5754d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000120
RAX: ffffffffffffffda RBX: 00007fbf5659c030 RCX: 00007fbf56489109
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fbf564e305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc56fed0bf R14: 00007fbf5754d300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xd85/0x5660 kernel/locking/lockdep.c:4923
Code: 77 0e 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 c1 0e 77 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 1e 2d 00 00 48 81 3b 20 34 2b 8f 0f 84 4f f3 ff
RSP: 0018:ffffc900058279b8 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000018 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803b43a080 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fbf5754d700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7ba257cfe4 CR3: 0000000076246000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	77 0e                	ja     0x10
   2:	41 be 01 00 00 00    	mov    $0x1,%r14d
   8:	0f 86 c8 00 00 00    	jbe    0xd6
   e:	89 05 c1 0e 77 0e    	mov    %eax,0xe770ec1(%rip)        # 0xe770ed5
  14:	e9 bd 00 00 00       	jmpq   0xd6
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 da             	mov    %rbx,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 1e 2d 00 00    	jne    0x2d52
  34:	48 81 3b 20 34 2b 8f 	cmpq   $0xffffffff8f2b3420,(%rbx)
  3b:	0f                   	.byte 0xf
  3c:	84 4f f3             	test   %cl,-0xd(%rdi)
  3f:	ff                   	.byte 0xff