R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9af34116d4
R13: 00000000004c77c2 R14: 00000000004dd018 R15: 0000000000000005
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: 0 PID: 32289 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:qdisc_put+0x24/0x90 net/sched/sch_generic.c:983
Code: 84 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 a1 7e 7a fb 49 8d 5e 10 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 75 40 8b 1b 89 de 83 e6 01 31 ff e8 17 82 7a fb 83
RSP: 0018:ffff8880a015f5b8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000
RDX: ffffc90005f3d000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8880a015f5c8 R08: dffffc0000000000 R09: ffff8880a015f598
R10: ffffed101402beb7 R11: 0000000000000000 R12: 00000000fffffff4
R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f9af3411700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffefa274eb0 CR3: 0000000093018000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sfb_destroy+0x65/0x70 net/sched/sch_sfb.c:468
 qdisc_create+0xff8/0x13e0 net/sched/sch_api.c:1302
 tc_modify_qdisc+0x989/0x1ea0 net/sched/sch_api.c:1652
 rtnetlink_rcv_msg+0x889/0xd40 net/core/rtnetlink.c:5223
 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5241
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg net/socket.c:657 [inline]
 ___sys_sendmsg+0x60d/0x910 net/socket.c:2311
 __sys_sendmsg net/socket.c:2356 [inline]
 __do_sys_sendmsg net/socket.c:2365 [inline]
 __se_sys_sendmsg net/socket.c:2363 [inline]
 __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363
 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296
 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:00007f9af3410c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9af3410c90 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9af34116d4
R13: 00000000004c77c2 R14: 00000000004dd018 R15: 0000000000000005
Modules linked in:
---[ end trace 91b545f085583292 ]---
RIP: 0010:qdisc_put+0x24/0x90 net/sched/sch_generic.c:983
Code: 84 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 a1 7e 7a fb 49 8d 5e 10 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 75 40 8b 1b 89 de 83 e6 01 31 ff e8 17 82 7a fb 83
RSP: 0018:ffff8880a015f5b8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000
RDX: ffffc90005f3d000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8880a015f5c8 R08: dffffc0000000000 R09: ffff8880a015f598
R10: ffffed101402beb7 R11: 0000000000000000 R12: 00000000fffffff4
R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f9af3411700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c321000 CR3: 0000000093018000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400