netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
general protection fault, probably for non-canonical address 0xdffffc0000002009: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000000000010048-0x000000000001004f]
CPU: 1 PID: 5294 Comm: syz-executor.0 Not tainted 6.7.0-rc8-next-20240104-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:hfsc_tcf_block+0x3f/0x70 net/sched/sch_hfsc.c:1265
Code: de e8 25 8d e4 f8 48 85 db 74 2c e8 8b 91 e4 f8 e8 86 91 e4 f8 48 8d 7b 58 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 15 48 8b 43 58 5b 5d c3 e8 5f 91 e4 f8 48 8d 9d d0
RSP: 0018:ffffc90004e573f8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 000000000000fff2 RCX: ffffc90005d89000
RDX: 0000000000002009 RSI: ffffffff88a3922a RDI: 000000000001004a
RBP: ffff888014f6e000 R08: 0000000000000007 R09: 0000000000000000
R10: 000000000000fff2 R11: ffffffff8aa00087 R12: ffff888037142000
R13: ffffffff8beeb540 R14: 0000000000000001 R15: ffffffff8f3b84e0
FS:  00007f5ef09646c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31d22000 CR3: 000000002a34a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 qdisc_block_add_dev net/sched/sch_api.c:1190 [inline]
 qdisc_create+0x6c0/0x1440 net/sched/sch_api.c:1390
 tc_modify_qdisc+0x4d5/0x1c30 net/sched/sch_api.c:1788
 rtnetlink_rcv_msg+0x3c7/0xe00 net/core/rtnetlink.c:6615
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543
 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
 netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1367
 netlink_sendmsg+0x8b4/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0xd5/0x180 net/socket.c:745
 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2584
 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2638
 __sys_sendmsg+0x117/0x1e0 net/socket.c:2667
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd0/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f5eefc7cce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5ef09640c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5eefd9bf80 RCX: 00007f5eefc7cce9
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 00007f5eefcc947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5eefd9bf80 R15: 00007ffe92b893f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsc_tcf_block+0x3f/0x70 net/sched/sch_hfsc.c:1265
Code: de e8 25 8d e4 f8 48 85 db 74 2c e8 8b 91 e4 f8 e8 86 91 e4 f8 48 8d 7b 58 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 15 48 8b 43 58 5b 5d c3 e8 5f 91 e4 f8 48 8d 9d d0
RSP: 0018:ffffc90004e573f8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 000000000000fff2 RCX: ffffc90005d89000
RDX: 0000000000002009 RSI: ffffffff88a3922a RDI: 000000000001004a
RBP: ffff888014f6e000 R08: 0000000000000007 R09: 0000000000000000
R10: 000000000000fff2 R11: ffffffff8aa00087 R12: ffff888037142000
R13: ffffffff8beeb540 R14: 0000000000000001 R15: ffffffff8f3b84e0
FS:  00007f5ef09646c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005594141f77b8 CR3: 000000002a34a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	de e8                	fsubrp %st,%st(0)
   2:	25 8d e4 f8 48       	and    $0x48f8e48d,%eax
   7:	85 db                	test   %ebx,%ebx
   9:	74 2c                	je     0x37
   b:	e8 8b 91 e4 f8       	call   0xf8e4919b
  10:	e8 86 91 e4 f8       	call   0xf8e4919b
  15:	48 8d 7b 58          	lea    0x58(%rbx),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	75 15                	jne    0x45
  30:	48 8b 43 58          	mov    0x58(%rbx),%rax
  34:	5b                   	pop    %rbx
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	e8 5f 91 e4 f8       	call   0xf8e4919b
  3c:	48                   	rex.W
  3d:	8d                   	.byte 0x8d
  3e:	9d                   	popf
  3f:	d0                   	.byte 0xd0