RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1187d346d4
R13: 00000000004c7933 R14: 00000000004dd328 R15: 0000000000000006
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
Modules linked in:
CPU: 1 PID: 30421 Comm: syz-executor.5 Not tainted 4.14.145 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880317fe600 task.stack: ffff888034280000
RIP: 0010:qdisc_destroy+0x26/0x320 net/sched/sch_generic.c:708
RSP: 0018:ffff888034287590 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000605e000
RDX: 0000000000000002 RSI: ffffffff84e2eec1 RDI: 0000000000000010
RBP: ffff8880342875a8 R08: ffff8880317fe600 R09: ffff8880317feea0
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88803135e940
R13: ffffffff84eaeb60 R14: 00000000fffffff4 R15: ffff888055fd2064
FS:  00007efd631fc700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a33000 CR3: 0000000064bf3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sfb_destroy+0x61/0x80 net/sched/sch_sfb.c:471
 qdisc_create+0x9e0/0xe60 net/sched/sch_api.c:1113
 tc_modify_qdisc+0x494/0x1270 net/sched/sch_api.c:1434
 rtnetlink_rcv_msg+0x3eb/0xb70 net/core/rtnetlink.c:4285
 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297
 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline]
 netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312
 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xb9/0x140 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2103
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459a09
RSP: 002b:00007efd631fbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007efd631fbc90 RCX: 0000000000459a09
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd631fc6d4
R13: 00000000004c7933 R14: 00000000004dd328 R15: 0000000000000006
Code: 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 48 89 fb e8 2f f4 79 fc 48 8d 7b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 70 02 00 00 f6 43 10 01 74 
RIP: qdisc_destroy+0x26/0x320 net/sched/sch_generic.c:708 RSP: ffff888034287590
---[ end trace 3fc172801ceb5788 ]---