kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7202 Comm: syz-executor.5 Not tainted 4.19.75 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop2' (0000000012291206): kobject_uevent_env
RIP: 0010:tcf_action_destroy+0x71/0x160 net/sched/act_api.c:652
Code: c3 08 44 89 ee e8 2f ae ea fb 41 83 fd 20 0f 84 c9 00 00 00 e8 a0 ac ea fb 48 89 d8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 <80> 3c 08 00 0f 85 c0 00 00 00 4c 8b 33 4d 85 f6 0f 84 9d 00 00 00
RSP: 0018:ffff88809ff071d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
kobject: 'loop2' (0000000012291206): fill_kobj_path: path = '/devices/virtual/block/loop2'
RDX: 0000000000040000 RSI: ffffffff8580b5e0 RDI: 0000000000000000
RBP: ffff88809ff07200 R08: ffff888092f6c3c0 R09: ffffed1015d04733
R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88809ff07318 R15: 0000000000000001
FS:  00007fa832b01700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3aac7a2b40 CR3: 000000005c2fc000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tcf_exts_destroy+0x38/0xb0 net/sched/cls_api.c:2041
 cls_bpf_change+0x1141/0x1a3d net/sched/cls_bpf.c:533
 tc_new_tfilter+0xc54/0x1790 net/sched/cls_api.c:1320
 rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:4747
 netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4765
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x537/0x720 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:632
 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115
 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210
 __do_sys_sendmmsg net/socket.c:2239 [inline]
 __se_sys_sendmmsg net/socket.c:2236 [inline]
 __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a29
Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa832b00c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fa832b00c90 RCX: 0000000000459a29
kobject: 'kvm' (0000000036bc4f5f): kobject_uevent_env
RDX: 0000000000000332 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa832b016d4
R13: 00000000004c721c R14: 00000000004dca30 R15: 0000000000000005
Modules linked in:
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_0
---[ end trace 28ba912f4de0c074 ]---
kobject: 'kvm' (0000000036bc4f5f): fill_kobj_path: path = '/devices/virtual/misc/kvm'
RIP: 0010:tcf_action_destroy+0x71/0x160 net/sched/act_api.c:652
Code: c3 08 44 89 ee e8 2f ae ea fb 41 83 fd 20 0f 84 c9 00 00 00 e8 a0 ac ea fb 48 89 d8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 <80> 3c 08 00 0f 85 c0 00 00 00 4c 8b 33 4d 85 f6 0f 84 9d 00 00 00
RSP: 0018:ffff88809ff071d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
kobject: 'kvm' (0000000036bc4f5f): kobject_uevent_env
RDX: 0000000000040000 RSI: ffffffff8580b5e0 RDI: 0000000000000000
RBP: ffff88809ff07200 R08: ffff888092f6c3c0 R09: ffffed1015d04733
R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88809ff07318 R15: 0000000000000001
FS:  00007fa832b01700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'kvm' (0000000036bc4f5f): fill_kobj_path: path = '/devices/virtual/misc/kvm'
CR2: 0000001b2e222000 CR3: 000000005c2fc000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400