------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in ./kernel/bpf/devmap.c:385:33
index 16 is out of range for type 'xdp_frame *[16]'
CPU: 1 UID: 0 PID: 13624 Comm: syz.1.2247 Not tainted 6.11.0-rc1-syzkaller-00063-g21b136cc63d2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:119
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_out_of_bounds+0x110/0x150 lib/ubsan.c:429
 bq_xmit_all+0xbec/0xdd0 kernel/bpf/devmap.c:385
 __dev_flush+0x85/0x1e0 kernel/bpf/devmap.c:425
 xdp_do_check_flushed+0x40a/0x4e0 net/core/filter.c:4307
 __napi_poll.constprop.0+0xd1/0x550 net/core/dev.c:6774
 napi_poll net/core/dev.c:6840 [inline]
 net_rx_action+0xa92/0x1010 net/core/dev.c:6962
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:278
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:finish_task_switch.isra.0+0x220/0xcc0 kernel/sched/core.c:5062
Code: a9 0a 00 00 44 8b 0d 07 d6 b7 0e 45 85 c9 0f 85 c0 01 00 00 48 89 df e8 ae f8 ff ff e8 19 ba 36 00 fb 65 48 8b 1d 30 cf a8 7e <48> 8d bb f8 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc90003347718 EFLAGS: 00000206
RAX: 0000000000012259 RBX: ffff8880272fa440 RCX: 1ffffffff2024d91
RDX: 0000000000000000 RSI: ffffffff8b4cc580 RDI: ffffffff8bb08480
RBP: ffffc90003347760 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9012b0df R11: 0000000000000000 R12: ffff88806b13fb58
R13: ffff88803afba440 R14: 0000000000000000 R15: ffff88806b03edc0
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xe3f/0x5490 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6621
 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3de/0x5f0 kernel/sched/completion.c:116
 rdmsr_safe_on_cpu+0x1de/0x210 arch/x86/lib/msr-smp.c:181
 msr_read+0x1a4/0x250 arch/x86/kernel/msr.c:66
 vfs_read+0x1d4/0xbd0 fs/read_write.c:474
 ksys_read+0x12f/0x260 fs/read_write.c:619
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f01f69773b9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f01f77f9048 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f01f6b05f80 RCX: 00007f01f69773b9
RDX: 0000000000018fd8 RSI: 0000000020032680 RDI: 0000000000000007
RBP: 00007f01f69e48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f01f6b05f80 R15: 00007ffd940c9528
 </TASK>
hpet: Lost 11 RTC interrupts
---[ end trace ]---
----------------
Code disassembly (best guess):
   0:	a9 0a 00 00 44       	test   $0x4400000a,%eax
   5:	8b 0d 07 d6 b7 0e    	mov    0xeb7d607(%rip),%ecx        # 0xeb7d612
   b:	45 85 c9             	test   %r9d,%r9d
   e:	0f 85 c0 01 00 00    	jne    0x1d4
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 ae f8 ff ff       	call   0xfffff8ca
  1c:	e8 19 ba 36 00       	call   0x36ba3a
  21:	fb                   	sti
  22:	65 48 8b 1d 30 cf a8 	mov    %gs:0x7ea8cf30(%rip),%rbx        # 0x7ea8cf5a
  29:	7e
* 2a:	48 8d bb f8 15 00 00 	lea    0x15f8(%rbx),%rdi <-- trapping instruction
  31:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  38:	fc ff df
  3b:	48 89 fa             	mov    %rdi,%rdx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1