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: 337 Comm: syz-executor560 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:ffff8881e9697558 EFLAGS: 00010203
RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c
RBP: 0000000000000080 R08: ffffffff838263d7 R09: ffff8881e96977e0
R10: ffffed103d2d2efe R11: 0000000000000000 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000100 R15: ffff8881e972d812
FS:  0000000001e68300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 00000001eb3fd000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace d39be4fb22dee44f ]---
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:ffff8881e9697558 EFLAGS: 00010203
RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c
RBP: 0000000000000080 R08: ffffffff838263d7 R09: ffff8881e96977e0
R10: ffffed103d2d2efe R11: 0000000000000000 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000100 R15: ffff8881e972d812
FS:  0000000001e68300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 00000001eb3fd000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400