netlink: 96 bytes leftover after parsing attributes in process `syz-executor014'.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9625 at net/sched/sch_cbq.c:1437 cbq_destroy_class+0x11a/0x150 net/sched/sch_cbq.c:1437
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 9625 Comm: syz-executor014 Not tainted 5.5.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:cbq_destroy_class+0x11a/0x150 net/sched/sch_cbq.c:1437
Code: 00 00 e8 d9 57 da ff 49 39 dc 74 0d e8 9f 98 30 fb 4c 89 e7 e8 67 09 6e fb e8 92 98 30 fb 5b 41 5c 41 5d 5d c3 e8 86 98 30 fb <0f> 0b e9 37 ff ff ff e8 9a 58 6e fb e9 12 ff ff ff e8 b0 58 6e fb
RSP: 0018:ffffc90001fe70d0 EFLAGS: 00010293
RAX: ffff888095a02140 RBX: ffff888095606000 RCX: ffffffff86445bcf
RDX: 0000000000000000 RSI: ffffffff86445c9a RDI: 0000000000000005
RBP: ffffc90001fe70e8 R08: ffff888095a02140 R09: fffffbfff165e7a0
R10: fffffbfff165e79f R11: ffffffff8b2f3cff R12: ffff888095606320
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888095606320
 cbq_destroy net/sched/sch_cbq.c:1471 [inline]
 cbq_destroy+0x208/0x2c0 net/sched/sch_cbq.c:1447
 qdisc_destroy+0x11f/0x630 net/sched/sch_generic.c:958
 qdisc_put+0xdb/0x100 net/sched/sch_generic.c:985
 notify_and_destroy+0xa2/0xb0 net/sched/sch_api.c:995
 qdisc_graft+0xd42/0x1210 net/sched/sch_api.c:1076
 tc_modify_qdisc+0xcbd/0x1cd0 net/sched/sch_api.c:1663
 rtnetlink_rcv_msg+0x45e/0xaf0 net/core/rtnetlink.c:5424
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5442
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:639 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:659
 kernel_sendmsg+0x44/0x50 net/socket.c:679
 sock_no_sendpage+0x116/0x150 net/core/sock.c:2740
 kernel_sendpage+0x92/0xf0 net/socket.c:3776
 sock_sendpage+0x8b/0xc0 net/socket.c:937
 pipe_to_sendpage+0x2da/0x3c0 fs/splice.c:458
 splice_from_pipe_feed fs/splice.c:512 [inline]
 __splice_from_pipe+0x3ee/0x7c0 fs/splice.c:636
 splice_from_pipe+0x108/0x170 fs/splice.c:671
 generic_splice_sendpage+0x3c/0x50 fs/splice.c:844
 do_splice_from fs/splice.c:863 [inline]
 do_splice+0xba4/0x1680 fs/splice.c:1170
 __do_sys_splice fs/splice.c:1447 [inline]
 __se_sys_splice fs/splice.c:1427 [inline]
 __ia32_sys_splice+0x2c4/0x330 fs/splice.c:1427
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x27b/0xe16 arch/x86/entry/common.c:408
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f5a9a9
Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f7f351cc EFLAGS: 00000296 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000000000000
RDX: 0000000000000009 RSI: 0000000000000000 RDI: 000000000004ffe0
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..