general protection fault, probably for non-canonical address 0xdffffc0000001fff: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x000000000000fff8-0x000000000000ffff]
CPU: 0 PID: 8786 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tcf_action_destroy+0x31/0x210 net/sched/act_api.c:720
Code: 41 54 53 50 41 89 f5 49 89 fc 49 be 00 00 00 00 00 fc ff df e8 a0 ae 08 fb 31 ff 44 89 ee e8 36 b2 08 fb 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 40 ea 44 fb 4d 8b 3c 24 4d 85 ff
RSP: 0018:ffffc900020173d0 EFLAGS: 00010207
RAX: 0000000000001fff RBX: ffff8880a700ed10 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002017630 R08: ffffffff866bf78a R09: ffffed1014e01da6
R10: ffffed1014e01da6 R11: 0000000000000000 R12: 000000000000ffff
R13: 0000000000000001 R14: dffffc0000000000 R15: 000000000000ffff
FS:  00007f29a29bb700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000076c000 CR3: 00000000a6c7a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tcf_exts_destroy net/sched/cls_api.c:3001 [inline]
 tcf_exts_change+0x5b/0x80 net/sched/cls_api.c:3059
 tcindex_set_parms net/sched/cls_tcindex.c:456 [inline]
 tcindex_change+0x1c71/0x27b0 net/sched/cls_tcindex.c:518
 tc_new_tfilter+0x1490/0x2f50 net/sched/cls_api.c:2103
 rtnetlink_rcv_msg+0x8fb/0xd40 net/core/rtnetlink.c:5427
 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2478
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 ____sys_sendmsg+0x4f9/0x7c0 net/socket.c:2343
 ___sys_sendmsg net/socket.c:2397 [inline]
 __sys_sendmsg+0x1ed/0x290 net/socket.c:2430
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c849
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f29a29bac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f29a29bb6d4 RCX: 000000000045c849
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009fa R14: 00000000004ccb28 R15: 000000000076bf0c
Modules linked in:
---[ end trace 75b23810752e51e9 ]---
RIP: 0010:tcf_action_destroy+0x31/0x210 net/sched/act_api.c:720