netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7180 Comm: syz-executor.3 Not tainted 5.1.0-rc4+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0x84/0xf3 lib/list_debug.c:51
Code: 0f 84 cc 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 a5 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 5f 49 8b 14 24 48 39 da 0f 85 ba 00 00 00 49 8d 7d
RSP: 0018:ffff88809746f468 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888090b68360 RCX: ffffffff8150f823
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888090b68368
RBP: ffff88809746f480 R08: ffffed1012e8de80 R09: ffffed1012e8de7f
R10: ffffed1012e8de7f R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888090b682c0 R15: ffff88808d8dc280
FS:  00007fd387b46700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 0000000093169000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del include/linux/list.h:125 [inline]
 cbs_destroy+0x7f/0x260 net/sched/sch_cbs.c:436
 qdisc_create+0x9cd/0xf50 net/sched/sch_api.c:1288
 tc_modify_qdisc+0x3f7/0x1950 net/sched/sch_api.c:1655
 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5195
 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2485
 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5213
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x43f/0x630 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0x765/0xc50 net/netlink/af_netlink.c:1925
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xb5/0xf0 net/socket.c:661
 ___sys_sendmsg+0x647/0x950 net/socket.c:2260
 __sys_sendmsg+0xd9/0x180 net/socket.c:2298
 __do_sys_sendmsg net/socket.c:2307 [inline]
 __se_sys_sendmsg net/socket.c:2305 [inline]
 __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2305
 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459879
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:00007fd387b45c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd387b466d4
R13: 00000000004c77c2 R14: 00000000004dd018 R15: 00000000ffffffff
Modules linked in:
---[ end trace 8c845377ba1c1518 ]---
RIP: 0010:__list_del_entry_valid+0x84/0xf3 lib/list_debug.c:51
Code: 0f 84 cc 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 a5 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 5f 49 8b 14 24 48 39 da 0f 85 ba 00 00 00 49 8d 7d
RSP: 0018:ffff88809746f468 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888090b68360 RCX: ffffffff8150f823
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888090b68368
RBP: ffff88809746f480 R08: ffffed1012e8de80 R09: ffffed1012e8de7f
R10: ffffed1012e8de7f R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888090b682c0 R15: ffff88808d8dc280
FS:  00007fd387b46700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 0000000093169000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400