BUG: unable to handle page fault for address: ffff887f93c07fff
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7095 Comm: syz-executor058 Not tainted 5.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:is_multicast_ether_addr_64bits include/linux/etherdevice.h:135 [inline]
RIP: 0010:netif_receive_generic_xdp+0x5ad/0x11b0 net/core/dev.c:4555
Code: e8 03 42 80 3c 20 00 74 08 48 89 df e8 4c 91 52 fb 48 89 2b 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 b3 90 52 fb <49> 8b 75 00 83 e6 01 31 ff 48 89 b4 24 d8 00 00 00 e8 6d b1 14 fb
RSP: 0018:ffffc90001607798 EFLAGS: 00010246
RAX: 1ffff10ff2780fff RBX: ffffc900016078d0 RCX: 0000000000000100
RDX: ffffffffffff0101 RSI: 0000000000000000 RDI: ffff8880a93f19f6
RBP: ffff888093bf8000 R08: ffffffff865eb1d2 R09: ffffed101277f7dd
R10: ffffed101277f7dd R11: 0000000000000000 R12: dffffc0000000000
R13: ffff887f93c07fff R14: 00000000ffff10fd R15: ffff8880a93f1940
FS:  00007f1dacf41700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff887f93c07fff CR3: 00000000a4d83000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_xdp_generic+0x34/0x100 net/core/dev.c:4652
 tun_get_user+0x1c86/0x3670 drivers/net/tun.c:1901
 tun_chr_write_iter+0x99/0x120 drivers/net/tun.c:1992
 call_write_iter include/linux/fs.h:1907 [inline]
 new_sync_write fs/read_write.c:484 [inline]
 __vfs_write+0x54c/0x710 fs/read_write.c:497
 __kernel_write+0x120/0x350 fs/read_write.c:516
 write_pipe_buf+0xf9/0x150 fs/splice.c:809
 splice_from_pipe_feed fs/splice.c:512 [inline]
 __splice_from_pipe+0x329/0x870 fs/splice.c:636
 splice_from_pipe fs/splice.c:671 [inline]
 default_file_splice_write+0x112/0x1b0 fs/splice.c:821
 do_splice_from fs/splice.c:863 [inline]
 do_splice+0xdcd/0x18c0 fs/splice.c:1170
 __do_sys_splice fs/splice.c:1447 [inline]
 __se_sys_splice+0x172/0x230 fs/splice.c:1427
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x446bb9
Code: e8 ec 0f 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 8b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1dacf40d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00000000006dcc78 RCX: 0000000000446bb9
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00000000006dcc70 R08: 0000000000010008 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc7c
R13: 0000000000003172 R14: 656c6c616b7a7973 R15: 0000000000000064
Modules linked in:
CR2: ffff887f93c07fff
---[ end trace 4c8fae086c48d4f1 ]---
RIP: 0010:is_multicast_ether_addr_64bits include/linux/etherdevice.h:135 [inline]
RIP: 0010:netif_receive_generic_xdp+0x5ad/0x11b0 net/core/dev.c:4555
Code: e8 03 42 80 3c 20 00 74 08 48 89 df e8 4c 91 52 fb 48 89 2b 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 b3 90 52 fb <49> 8b 75 00 83 e6 01 31 ff 48 89 b4 24 d8 00 00 00 e8 6d b1 14 fb
RSP: 0018:ffffc90001607798 EFLAGS: 00010246
RAX: 1ffff10ff2780fff RBX: ffffc900016078d0 RCX: 0000000000000100
RDX: ffffffffffff0101 RSI: 0000000000000000 RDI: ffff8880a93f19f6
RBP: ffff888093bf8000 R08: ffffffff865eb1d2 R09: ffffed101277f7dd
R10: ffffed101277f7dd R11: 0000000000000000 R12: dffffc0000000000
R13: ffff887f93c07fff R14: 00000000ffff10fd R15: ffff8880a93f1940
FS:  00007f1dacf41700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff887f93c07fff CR3: 00000000a4d83000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400