IPVS: ftp: loaded support on port[0] = 21
BUG: unable to handle page fault for address: ffff887f958d5fff
#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: 9680 Comm: syz-executor647 Not tainted 5.6.0-rc1-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 net/core/dev.c:4565 [inline]
RIP: 0010:do_xdp_generic.part.0+0x499/0x18e0 net/core/dev.c:4663
Code: ff 48 c1 ea 03 48 89 85 e8 fe ff ff 4c 89 f8 4c 29 f0 48 89 45 80 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 9c 11 00 00 <48> 8b 03 48 8d 7b 0c 48 ba 00 00 00 00 00 fc ff df 48 89 85 d8 fe
RSP: 0018:ffffc90001ff7770 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff887f958d5fff RCX: 00000000ffff0101
RDX: 1ffff10ff2b1abff RSI: ffffffff863975b0 RDI: 0000000000000005
RBP: ffffc90001ff78b0 R08: ffff8880a8c96040 R09: ffffed1012b18c5d
R10: ffffed1012b18c5c R11: ffff8880958c62e3 R12: ffff8880a80a5900
R13: 0000000000000000 R14: 0000000000000100 R15: ffff8880958c6100
FS:  0000000000d29880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff887f958d5fff CR3: 0000000090595000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_xdp_generic+0x30/0x50 net/core/dev.c:4658
 tun_get_user+0x2bcd/0x4020 drivers/net/tun.c:1935
 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2026
 call_write_iter include/linux/fs.h:1901 [inline]
 do_iter_readv_writev+0x5f8/0x8f0 fs/read_write.c:693
 do_iter_write fs/read_write.c:998 [inline]
 do_iter_write+0x184/0x610 fs/read_write.c:979
 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1071
 do_writev+0x15b/0x330 fs/read_write.c:1114
 __do_sys_writev fs/read_write.c:1187 [inline]
 __se_sys_writev fs/read_write.c:1184 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1184
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4416b0
Code: 05 48 3d 01 f0 ff ff 0f 83 fd 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 61 99 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 0e fc ff c3 48 83 ec 08 e8 7a 2b 00 00
RSP: 002b:00007ffda7e2b758 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007ffda7e2b770 RCX: 00000000004416b0
RDX: 0000000000000001 RSI: 00007ffda7e2b7a0 RDI: 00000000000000f0
RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac
R10: 00000000bb1414ac R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000402aa0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
CR2: ffff887f958d5fff
---[ end trace 0d9c0936748b4b56 ]---
RIP: 0010:is_multicast_ether_addr_64bits include/linux/etherdevice.h:135 [inline]
RIP: 0010:netif_receive_generic_xdp net/core/dev.c:4565 [inline]
RIP: 0010:do_xdp_generic.part.0+0x499/0x18e0 net/core/dev.c:4663
Code: ff 48 c1 ea 03 48 89 85 e8 fe ff ff 4c 89 f8 4c 29 f0 48 89 45 80 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 9c 11 00 00 <48> 8b 03 48 8d 7b 0c 48 ba 00 00 00 00 00 fc ff df 48 89 85 d8 fe
RSP: 0018:ffffc90001ff7770 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff887f958d5fff RCX: 00000000ffff0101
RDX: 1ffff10ff2b1abff RSI: ffffffff863975b0 RDI: 0000000000000005
RBP: ffffc90001ff78b0 R08: ffff8880a8c96040 R09: ffffed1012b18c5d
R10: ffffed1012b18c5c R11: ffff8880958c62e3 R12: ffff8880a80a5900
R13: 0000000000000000 R14: 0000000000000100 R15: ffff8880958c6100
FS:  0000000000d29880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff887f958d5fff CR3: 0000000090595000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400