general protection fault, probably for non-canonical address 0xdffffc0000000024: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000120-0x0000000000000127]
CPU: 1 PID: 6422 Comm: syz-executor.2 Not tainted 5.15.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:cgroup_ancestor include/linux/cgroup.h:593 [inline]
RIP: 0010:__bpf_sk_ancestor_cgroup_id net/core/filter.c:4494 [inline]
RIP: 0010:____bpf_skb_ancestor_cgroup_id net/core/filter.c:4504 [inline]
RIP: 0010:bpf_skb_ancestor_cgroup_id+0x136/0x2c0 net/core/filter.c:4501
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 5c fb ba f9 49 8b 1c 24 48 8d bb 20 01 00 00 48 89 f8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 3b 01 00 00 8b ab 20 01 00 00 89 ef 44 89
RSP: 0018:ffffc9000b717350 EFLAGS: 00010206
RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000007
RDX: ffff888034eb0000 RSI: 0000000000000080 RDI: 0000000000000120
RBP: ffffc9000b717510 R08: ffffffff8812d45b R09: ffffed10173a64a2
R10: ffffed10173a64a2 R11: 0000000000000000 R12: ffff888019f39458
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000007
FS:  00007fc4fe0a8700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d222000 CR3: 0000000034e46000 CR4: 00000000001506e0
Call Trace:
 bpf_prog_ad2c592359f22bcf+0x54/0xc44
 bpf_dispatcher_nop_func include/linux/bpf.h:717 [inline]
 __bpf_prog_run include/linux/filter.h:624 [inline]
 bpf_prog_run include/linux/filter.h:631 [inline]
 bpf_test_run+0x44a/0x960 net/bpf/test_run.c:119
 bpf_prog_test_run_skb+0xac1/0x1f10 net/bpf/test_run.c:657
 bpf_prog_test_run kernel/bpf/syscall.c:3307 [inline]
 __sys_bpf+0x55ed/0x12c70 kernel/bpf/syscall.c:4605
 __do_sys_bpf kernel/bpf/syscall.c:4691 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4689 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4689
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc500b31709
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:00007fc4fe0a8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fc500c35f60 RCX: 00007fc500b31709
RDX: 0000000000000040 RSI: 0000000020000280 RDI: 000000000000000a
RBP: 00007fc500b8bcb4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffd66c14ef R14: 00007fc4fe0a8300 R15: 0000000000022000
Modules linked in:
---[ end trace f7a2b27687522ec2 ]---
RIP: 0010:cgroup_ancestor include/linux/cgroup.h:593 [inline]
RIP: 0010:__bpf_sk_ancestor_cgroup_id net/core/filter.c:4494 [inline]
RIP: 0010:____bpf_skb_ancestor_cgroup_id net/core/filter.c:4504 [inline]
RIP: 0010:bpf_skb_ancestor_cgroup_id+0x136/0x2c0 net/core/filter.c:4501
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 5c fb ba f9 49 8b 1c 24 48 8d bb 20 01 00 00 48 89 f8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 3b 01 00 00 8b ab 20 01 00 00 89 ef 44 89
RSP: 0018:ffffc9000b717350 EFLAGS: 00010206
RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000007
RDX: ffff888034eb0000 RSI: 0000000000000080 RDI: 0000000000000120
RBP: ffffc9000b717510 R08: ffffffff8812d45b R09: ffffed10173a64a2
R10: ffffed10173a64a2 R11: 0000000000000000 R12: ffff888019f39458
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000007
FS:  00007fc4fe0a8700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae9f9d4058 CR3: 0000000034e46000 CR4: 00000000001506e0
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	4c 89 e0             	mov    %r12,%rax
   5:	48 c1 e8 03          	shr    $0x3,%rax
   9:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
   e:	74 08                	je     0x18
  10:	4c 89 e7             	mov    %r12,%rdi
  13:	e8 5c fb ba f9       	callq  0xf9bafb74
  18:	49 8b 1c 24          	mov    (%r12),%rbx
  1c:	48 8d bb 20 01 00 00 	lea    0x120(%rbx),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 8a 04 28          	mov    (%rax,%r13,1),%al <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 3b 01 00 00    	jne    0x171
  36:	8b ab 20 01 00 00    	mov    0x120(%rbx),%ebp
  3c:	89 ef                	mov    %ebp,%edi
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89