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: 5758 Comm: syz-executor.4 Not tainted 5.15.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xd7d/0x54a0 kernel/locking/lockdep.c:4885
Code: ea 0d 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 79 3a ea 0d 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 f3 2f 00 00 48 81 3b 00 95 f0 8e 0f 84 52 f3 ff
RSP: 0018:ffffc9001977f9d8 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000018 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000086089 R12: 0000000000000000
R13: ffff88808311a340 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fc0ab471700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd5f4e0720 CR3: 000000001f21d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lock_acquire kernel/locking/lockdep.c:5625 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
 __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:259
 nr_accept+0x201/0x640 net/netrom/af_netrom.c:793
 do_accept+0x382/0x510 net/socket.c:1773
 __sys_accept4_file+0x7e/0xe0 net/socket.c:1816
 __sys_accept4+0xb0/0x100 net/socket.c:1846
 __do_sys_accept4 net/socket.c:1858 [inline]
 __se_sys_accept4 net/socket.c:1855 [inline]
 __x64_sys_accept4+0x93/0xf0 net/socket.c:1855
 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+0x44/0xae
RIP: 0033:0x7fc0adf3da39
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc0ab471188 EFLAGS: 00000246 ORIG_RAX: 0000000000000120
RAX: ffffffffffffffda RBX: 00007fc0ae0410e0 RCX: 00007fc0adf3da39
RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 00007fc0adf97e8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000080800 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffaaba24af R14: 00007fc0ab471300 R15: 0000000000022000
Modules linked in:
---[ end trace 89a95acf3bd106aa ]---
RIP: 0010:__lock_acquire+0xd7d/0x54a0 kernel/locking/lockdep.c:4885
Code: ea 0d 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 79 3a ea 0d 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 f3 2f 00 00 48 81 3b 00 95 f0 8e 0f 84 52 f3 ff
RSP: 0018:ffffc9001977f9d8 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000018 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000086089 R12: 0000000000000000
R13: ffff88808311a340 R14: 0000000000000000 R15: 0000000000000001
FS:  00007fc0ab471700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd5f4e0720 CR3: 000000001f21d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	0d 41 be 01 00       	or     $0x1be41,%eax
   5:	00 00                	add    %al,(%rax)
   7:	0f 86 c8 00 00 00    	jbe    0xd5
   d:	89 05 79 3a ea 0d    	mov    %eax,0xdea3a79(%rip)        # 0xdea3a8c
  13:	e9 bd 00 00 00       	jmpq   0xd5
  18:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1f:	fc ff df
  22:	48 89 da             	mov    %rbx,%rdx
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2d:	0f 85 f3 2f 00 00    	jne    0x3026
  33:	48 81 3b 00 95 f0 8e 	cmpq   $0xffffffff8ef09500,(%rbx)
  3a:	0f                   	.byte 0xf
  3b:	84 52 f3             	test   %dl,-0xd(%rdx)
  3e:	ff                   	.byte 0xff