BUG: unable to handle page fault for address: fffffffffffffff0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 448c067 P4D 448c067 PUD 448e067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP
CPU: 1 PID: 8376 Comm: syz-executor.5 Not tainted 5.9.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tcf_action_dump_terse+0x10/0x240 net/sched/act_api.c:766
Code: ff b8 ff ff ff ff e9 21 ff ff ff e8 ca e3 77 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 f4 53 <48> 8b 06 48 89 fb 44 8b b7 b8 00 00 00 4c 8b af c0 00 00 00 4c 8d
RSP: 0018:ffffc9000318f858 EFLAGS: 00010246
RAX: ffff88812387e000 RBX: ffff88811fda4200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: fffffffffffffff0 RDI: ffff88811fda4200
RBP: ffffc9000318f880 R08: 0000000000000004 R09: ffff88812387e024
R10: ffffc9000318f898 R11: 0000000000000000 R12: fffffffffffffff0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000024
FS:  00007f38d9978700(0000) GS:ffff88812c100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 000000010deb6000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tcf_action_dump_1+0x41/0x1b0 net/sched/act_api.c:795
 tcf_dump_walker net/sched/act_api.c:249 [inline]
 tcf_generic_walker+0xba/0x410 net/sched/act_api.c:343
 tc_dump_action+0x1b7/0x300 net/sched/act_api.c:1623
 netlink_dump+0x11a/0x370 net/netlink/af_netlink.c:2246
 __netlink_dump_start+0x17b/0x230 net/netlink/af_netlink.c:2354
 netlink_dump_start include/linux/netlink.h:246 [inline]
 rtnetlink_rcv_msg+0x2ba/0x480 net/core/rtnetlink.c:5526
 netlink_rcv_skb+0x41/0x110 net/netlink/af_netlink.c:2470
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x19a/0x270 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x248/0x480 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0x2b/0x40 net/socket.c:671
 ____sys_sendmsg+0x124/0x230 net/socket.c:2353
 ___sys_sendmsg+0x77/0xb0 net/socket.c:2407
 __sys_sendmmsg+0xab/0x1e0 net/socket.c:2497
 __do_sys_sendmmsg net/socket.c:2526 [inline]
 __se_sys_sendmmsg net/socket.c:2523 [inline]
 __x64_sys_sendmmsg+0x1b/0x20 net/socket.c:2523
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45de89
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f38d9977c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000027f40 RCX: 000000000045de89
RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 000000000118c010 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4
R13: 00007ffe6461995f R14: 00007f38d99789c0 R15: 000000000118bfd4
Modules linked in:
CR2: fffffffffffffff0
---[ end trace 6faeb99d1e430e04 ]---
RIP: 0010:tcf_action_dump_terse+0x10/0x240 net/sched/act_api.c:766
Code: ff b8 ff ff ff ff e9 21 ff ff ff e8 ca e3 77 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 f4 53 <48> 8b 06 48 89 fb 44 8b b7 b8 00 00 00 4c 8b af c0 00 00 00 4c 8d
RSP: 0018:ffffc9000318f858 EFLAGS: 00010246
RAX: ffff88812387e000 RBX: ffff88811fda4200 RCX: 0000000000000000
RDX: 0000000000000000 RSI: fffffffffffffff0 RDI: ffff88811fda4200
RBP: ffffc9000318f880 R08: 0000000000000004 R09: ffff88812387e024
R10: ffffc9000318f898 R11: 0000000000000000 R12: fffffffffffffff0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000024
FS:  00007f38d9978700(0000) GS:ffff88812c100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 000000010deb6000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400