Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:____bpf_get_local_storage kernel/bpf/cgroup.c:1774 [inline]
RIP: 0010:bpf_get_local_storage+0xbd/0x180 kernel/bpf/cgroup.c:1756
Code: e0 49 83 c6 08 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 a2 83 39 00 4d 8b 36 83 fb 15 75 5c 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 84 83 39 00 49 8b 1e e8 ec 7e 6c
RSP: 0018:ffffc9000041eff8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000015 RCX: 0000000000000100
RDX: ffff88801c2dc980 RSI: 0000000000000015 RDI: 0000000000000015
RBP: ffffc9000041f030 R08: 0000000000000003 R09: 0000000000000000
R10: ffffc9000041f0a0 R11: ffffffffa0203cf0 R12: 0000000000000001
R13: ffff8880119543c0 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f58f2aac170 CR3: 0000000011519000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 bpf_prog_e63b106389d7305a+0x2e/0x45
 bpf_dispatcher_nop_func include/linux/bpf.h:1378 [inline]
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run include/linux/filter.h:730 [inline]
 __bpf_prog_run_save_cb+0x127/0x370 include/linux/filter.h:980
 bpf_prog_run_array_cg kernel/bpf/cgroup.c:81 [inline]
 __cgroup_bpf_run_filter_skb+0x9e0/0xf40 kernel/bpf/cgroup.c:1612
 sk_filter_trim_cap+0xd42/0xf50 net/core/filter.c:150
 tcp_filter net/ipv4/tcp_ipv4.c:2117 [inline]
 tcp_v4_rcv+0x1f90/0x2f20 net/ipv4/tcp_ipv4.c:2304
 ip_protocol_deliver_rcu+0x221/0x440 net/ipv4/ip_input.c:207
 ip_local_deliver_finish+0x3bb/0x6f0 net/ipv4/ip_input.c:241
 NF_HOOK+0x30c/0x3a0 include/linux/netfilter.h:318
 NF_HOOK+0x30c/0x3a0 include/linux/netfilter.h:318
 __netif_receive_skb_one_core net/core/dev.c:6137 [inline]
 __netif_receive_skb+0x143/0x380 net/core/dev.c:6250
 process_backlog+0x54f/0x1340 net/core/dev.c:6602
 __napi_poll+0xae/0x320 net/core/dev.c:7666
 napi_poll net/core/dev.c:7729 [inline]
 net_rx_action+0x64a/0xe00 net/core/dev.c:7881
 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:622
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1063
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:____bpf_get_local_storage kernel/bpf/cgroup.c:1774 [inline]
RIP: 0010:bpf_get_local_storage+0xbd/0x180 kernel/bpf/cgroup.c:1756
Code: e0 49 83 c6 08 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 a2 83 39 00 4d 8b 36 83 fb 15 75 5c 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 84 83 39 00 49 8b 1e e8 ec 7e 6c
RSP: 0018:ffffc9000041eff8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000015 RCX: 0000000000000100
RDX: ffff88801c2dc980 RSI: 0000000000000015 RDI: 0000000000000015
RBP: ffffc9000041f030 R08: 0000000000000003 R09: 0000000000000000
R10: ffffc9000041f0a0 R11: ffffffffa0203cf0 R12: 0000000000000001
R13: ffff8880119543c0 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f58f2aac170 CR3: 0000000011519000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	e0 49                	loopne 0x4b
   2:	83 c6 08             	add    $0x8,%esi
   5:	4c 89 f0             	mov    %r14,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  11:	74 08                	je     0x1b
  13:	4c 89 f7             	mov    %r14,%rdi
  16:	e8 a2 83 39 00       	call   0x3983bd
  1b:	4d 8b 36             	mov    (%r14),%r14
  1e:	83 fb 15             	cmp    $0x15,%ebx
  21:	75 5c                	jne    0x7f
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 84 83 39 00       	call   0x3983bd
  39:	49 8b 1e             	mov    (%r14),%rbx
  3c:	e8                   	.byte 0xe8
  3d:	ec                   	in     (%dx),%al
  3e:	7e 6c                	jle    0xac