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: 1 PID: 341 Comm: syz-executor680 Not tainted 5.4.113-syzkaller-00287-gd719af31dff4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:cgroup_ancestor include/linux/cgroup.h:587 [inline]
RIP: 0010:____bpf_skb_ancestor_cgroup_id net/core/filter.c:4113 [inline]
RIP: 0010:bpf_skb_ancestor_cgroup_id+0x111/0x270 net/core/filter.c:4102
Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 30 97 11 fe 48 8b 1b 48 8d bb 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 2e 01 00 00 8b ab 1c 01 00 00 89 ef 44 89
RSP: 0018:ffff8881e967f558 EFLAGS: 00010203
RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c
RBP: 0000000000000080 R08: ffffffff838263d7 R09: ffff8881e967f7e0
R10: ffffed103d2cfefe R11: 0000000000000000 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881e963f012
FS:  0000000001ec43c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f83af7a96c0 CR3: 00000001e9151000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_prog_ad2c592359f22bcf+0x281/0x1000
 bpf_call_func include/linux/filter.h:608 [inline]
 bpf_test_run+0x288/0x680 net/bpf/test_run.c:44
 bpf_prog_test_run_skb+0x84d/0x1130 net/bpf/test_run.c:310
 bpf_prog_test_run kernel/bpf/syscall.c:2123 [inline]
 __do_sys_bpf+0x2d28/0xbe70 kernel/bpf/syscall.c:2906
 do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x447d99
Code: 70 01 00 85 c0 b8 00 00 00 00 48 0f 44 c3 5b c3 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 c4 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff3dc948d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fff3dc948e8 RCX: 0000000000447d99
RDX: 0000000000000040 RSI: 0000000020000280 RDI: 000000000000000a
RBP: 00007fff3dc948e0 R08: 6c616b7a79732f2e R09: 6c616b7a79732f2e
R10: 00007fff3ddc10b8 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000004831c2 R14: 00000000004af018 R15: 0000000000400488
Modules linked in:
---[ end trace b313618f3a34610e ]---
RIP: 0010:cgroup_ancestor include/linux/cgroup.h:587 [inline]
RIP: 0010:____bpf_skb_ancestor_cgroup_id net/core/filter.c:4113 [inline]
RIP: 0010:bpf_skb_ancestor_cgroup_id+0x111/0x270 net/core/filter.c:4102
Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 30 97 11 fe 48 8b 1b 48 8d bb 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 2e 01 00 00 8b ab 1c 01 00 00 89 ef 44 89
RSP: 0018:ffff8881e967f558 EFLAGS: 00010203
RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c