general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 21301 Comm: kworker/u4:17 Tainted: G        W         5.15.180-syzkaller-00024-g88c4075c39ed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: tipc_send tipc_conn_send_work
RIP: 0010:dev_map_generic_redirect+0x91/0x6b0 kernel/bpf/devmap.c:667
Code: f1 f1 00 f2 f2 f2 4b 89 04 2c 43 c7 44 2c 0f f3 f3 f3 f3 43 c6 44 2c 13 f3 e8 ab 3f e2 ff 48 89 d8 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 28 00 74 08 48 89 df e8 80 ad 20 00 48 89 5c 24 08 4c 8b
RSP: 0018:ffffc90000007820 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88810e043b40
RDX: 0000000000000100 RSI: ffff8881159a0640 RDI: 0000000000000000
RBP: ffffc90000007968 R08: ffff88810e043b40 R09: 0000000000000004
R10: 0000000000000019 R11: 0000000000000100 R12: 1ffff92000000f10
R13: dffffc0000000000 R14: ffff8881f7036c80 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 00000001079af000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 xdp_do_generic_redirect_map net/core/filter.c:4177 [inline]
 xdp_do_generic_redirect+0x40e/0xa80 net/core/filter.c:4236
 do_xdp_generic+0x516/0x7a0 net/core/dev.c:4950
 __netif_receive_skb_core+0x12ac/0x2f10 net/core/dev.c:5355
 __netif_receive_skb_one_core net/core/dev.c:5530 [inline]
 __netif_receive_skb+0x72/0x280 net/core/dev.c:5646
 process_backlog+0x368/0x600 net/core/dev.c:6523
 __napi_poll+0xbe/0x590 net/core/dev.c:7082
 napi_poll net/core/dev.c:7149 [inline]
 net_rx_action+0x371/0x8e0 net/core/dev.c:7239
 handle_softirqs+0x250/0x560 kernel/softirq.c:565
 __do_softirq+0xb/0xd kernel/softirq.c:603
 do_softirq+0xc6/0x120 kernel/softirq.c:452
 </IRQ>
 <TASK>
 netif_rx_ni+0x61/0x2a0 net/core/dev.c:5041
 tipc_clone_to_loopback+0x39e/0x480 net/tipc/bearer.c:776
 tipc_loopback_trace net/tipc/bearer.h:253 [inline]
 tipc_topsrv_kern_evt net/tipc/topsrv.c:624 [inline]
 tipc_conn_send_to_sock net/tipc/topsrv.c:285 [inline]
 tipc_conn_send_work+0x67d/0x7e0 net/tipc/topsrv.c:305
 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325
 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472
 kthread+0x411/0x500 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 9d2ee0ad99c6f02c ]---
RIP: 0010:dev_map_generic_redirect+0x91/0x6b0 kernel/bpf/devmap.c:667
Code: f1 f1 00 f2 f2 f2 4b 89 04 2c 43 c7 44 2c 0f f3 f3 f3 f3 43 c6 44 2c 13 f3 e8 ab 3f e2 ff 48 89 d8 48 c1 e8 03 48 89 44 24 40 <42> 80 3c 28 00 74 08 48 89 df e8 80 ad 20 00 48 89 5c 24 08 4c 8b
RSP: 0018:ffffc90000007820 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88810e043b40
RDX: 0000000000000100 RSI: ffff8881159a0640 RDI: 0000000000000000
RBP: ffffc90000007968 R08: ffff88810e043b40 R09: 0000000000000004
R10: 0000000000000019 R11: 0000000000000100 R12: 1ffff92000000f10
R13: dffffc0000000000 R14: ffff8881f7036c80 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 00000001079af000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	f1                   	int1
   1:	f1                   	int1
   2:	00 f2                	add    %dh,%dl
   4:	f2 f2 4b 89 04 2c    	repnz repnz mov %rax,(%r12,%r13,1)
   a:	43 c7 44 2c 0f f3 f3 	movl   $0xf3f3f3f3,0xf(%r12,%r13,1)
  11:	f3 f3
  13:	43 c6 44 2c 13 f3    	movb   $0xf3,0x13(%r12,%r13,1)
  19:	e8 ab 3f e2 ff       	call   0xffe23fc9
  1e:	48 89 d8             	mov    %rbx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	48 89 44 24 40       	mov    %rax,0x40(%rsp)
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 80 ad 20 00       	call   0x20adb9
  39:	48 89 5c 24 08       	mov    %rbx,0x8(%rsp)
  3e:	4c                   	rex.WR
  3f:	8b                   	.byte 0x8b