general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 2897 Comm: syz-executor.3 Not tainted 5.13.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dequeue_head net/sched/sch_fq_codel.c:120 [inline]
RIP: 0010:fq_codel_drop net/sched/sch_fq_codel.c:168 [inline]
RIP: 0010:fq_codel_enqueue+0x8a3/0x10c0 net/sched/sch_fq_codel.c:230
Code: e3 30 3a fa 45 39 ec 0f 83 cb 00 00 00 e8 05 2b 3a fa 48 8b 44 24 10 80 38 00 0f 85 32 06 00 00 49 8b 07 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 06 06 00 00 48 8b 10 48 8d 78 28 49 89 17 48
RSP: 0018:ffffc9000187f5a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900105d1000
RDX: 0000000000000000 RSI: ffffffff873ab0eb RDI: 0000000000000003
RBP: ffffc9000187f748 R08: 0000000000000400 R09: 0000000000000001
R10: ffffffff873ab04b R11: 0000000000000000 R12: 0000000000000400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888080ed0000
FS:  00007f942a113700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33a25000 CR3: 0000000070346000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __dev_xmit_skb net/core/dev.c:3899 [inline]
 __dev_queue_xmit+0x18af/0x3130 net/core/dev.c:4214
 __bpf_tx_skb net/core/filter.c:2113 [inline]
 __bpf_redirect_no_mac net/core/filter.c:2138 [inline]
 __bpf_redirect+0x548/0xc80 net/core/filter.c:2161
 ____bpf_clone_redirect net/core/filter.c:2445 [inline]
 bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2417
 bpf_prog_429eb6e8dc4d6c4a+0x56/0x9d0
 bpf_dispatcher_nop_func include/linux/bpf.h:684 [inline]
 bpf_test_run+0x45f/0xaa0 net/bpf/test_run.c:117
 bpf_prog_test_run_skb+0xabc/0x1c70 net/bpf/test_run.c:656
 bpf_prog_test_run kernel/bpf/syscall.c:3150 [inline]
 __do_sys_bpf+0x218b/0x4f40 kernel/bpf/syscall.c:4429
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f942a113188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9
RDX: 0000000000000048 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038
R13: 00007fff805bbdcf R14: 00007f942a113300 R15: 0000000000022000
Modules linked in:
---[ end trace e681a56156d977fe ]---
RIP: 0010:dequeue_head net/sched/sch_fq_codel.c:120 [inline]
RIP: 0010:fq_codel_drop net/sched/sch_fq_codel.c:168 [inline]
RIP: 0010:fq_codel_enqueue+0x8a3/0x10c0 net/sched/sch_fq_codel.c:230
Code: e3 30 3a fa 45 39 ec 0f 83 cb 00 00 00 e8 05 2b 3a fa 48 8b 44 24 10 80 38 00 0f 85 32 06 00 00 49 8b 07 48 89 c2 48 c1 ea 03 <42> 80 3c 32 00 0f 85 06 06 00 00 48 8b 10 48 8d 78 28 49 89 17 48
RSP: 0018:ffffc9000187f5a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc900105d1000
RDX: 0000000000000000 RSI: ffffffff873ab0eb RDI: 0000000000000003
RBP: ffffc9000187f748 R08: 0000000000000400 R09: 0000000000000001
R10: ffffffff873ab04b R11: 0000000000000000 R12: 0000000000000400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888080ed0000
FS:  00007f942a113700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33a25000 CR3: 0000000070346000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400