BUG: unable to handle page fault for address: ffff8880d6d05000
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 1b001067 P4D 1b001067 PUD 0 
Oops: Oops: 0002 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 16470 Comm: syz.6.3491 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:bond_rr_gen_slave_id+0x1d5/0x250 drivers/net/bonding/bond_main.c:4927
Code: bc 24 f0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7a 49 8b 84 24 f0 00 00 00 bb 01 00 00 00 <65> 0f c1 18 e8 c2 15 77 fb 83 c3 01 89 d8 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc90004ecf5d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90024d91000
RDX: 1ffff1100536f1ce RSI: ffffffff8645d1e9 RDI: ffff888029b78e70
RBP: ffff888029b78000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888029b78d80
R13: 0000000000008f00 R14: ffff888029b78d80 R15: dffffc0000000000
FS:  00007fb8d5d656c0(0000) GS:ffff8880d6d05000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880d6d05000 CR3: 0000000027110000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 bond_xdp_xmit_roundrobin_slave_get drivers/net/bonding/bond_main.c:5014 [inline]
 bond_xdp_get_xmit_slave+0x2a9/0x6b0 drivers/net/bonding/bond_main.c:5597
 xdp_master_redirect+0x161/0x330 net/core/filter.c:4377
 bpf_prog_run_xdp include/net/xdp.h:700 [inline]
 xdp_test_run_batch.constprop.0+0x14c2/0x1ad0 net/bpf/test_run.c:307
 bpf_test_run_xdp_live+0x365/0x770 net/bpf/test_run.c:379
 bpf_prog_test_run_xdp+0xd38/0x1660 net/bpf/test_run.c:1320
 bpf_prog_test_run kernel/bpf/syscall.c:4688 [inline]
 __sys_bpf+0x1035/0x4980 kernel/bpf/syscall.c:6167
 __do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
 __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:6257
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb8d4f8f749
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:00007fb8d5d65038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fb8d51e5fa0 RCX: 00007fb8d4f8f749
RDX: 0000000000000050 RSI: 0000200000000600 RDI: 000000000000000a
RBP: 00007fb8d5013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb8d51e6038 R14: 00007fb8d51e5fa0 R15: 00007fffaea4dd28
 </TASK>
Modules linked in:
CR2: ffff8880d6d05000
---[ end trace 0000000000000000 ]---
RIP: 0010:bond_rr_gen_slave_id+0x1d5/0x250 drivers/net/bonding/bond_main.c:4927
Code: bc 24 f0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7a 49 8b 84 24 f0 00 00 00 bb 01 00 00 00 <65> 0f c1 18 e8 c2 15 77 fb 83 c3 01 89 d8 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc90004ecf5d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90024d91000
RDX: 1ffff1100536f1ce RSI: ffffffff8645d1e9 RDI: ffff888029b78e70
RBP: ffff888029b78000 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888029b78d80
R13: 0000000000008f00 R14: ffff888029b78d80 R15: dffffc0000000000
FS:  00007fb8d5d656c0(0000) GS:ffff8880d6d05000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880d6d05000 CR3: 0000000027110000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess), 4 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   9:	fc ff df
   c:	48 89 fa             	mov    %rdi,%rdx
   f:	48 c1 ea 03          	shr    $0x3,%rdx
  13:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  17:	75 7a                	jne    0x93
  19:	49 8b 84 24 f0 00 00 	mov    0xf0(%r12),%rax
  20:	00
  21:	bb 01 00 00 00       	mov    $0x1,%ebx
* 26:	65 0f c1 18          	xadd   %ebx,%gs:(%rax) <-- trapping instruction
  2a:	e8 c2 15 77 fb       	call   0xfb7715f1
  2f:	83 c3 01             	add    $0x1,%ebx
  32:	89 d8                	mov    %ebx,%eax
  34:	5b                   	pop    %rbx
  35:	5d                   	pop    %rbp
  36:	41 5c                	pop    %r12
  38:	41 5d                	pop    %r13
  3a:	41 5e                	pop    %r14