kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3341 Comm: syz-executor.2 Not tainted 5.4.89-syzkaller-00264-gdc04463953b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:____bpf_skb_cgroup_id net/core/filter.c:4097 [inline]
RIP: 0010:bpf_skb_cgroup_id+0x10c/0x190 net/core/filter.c:4088
Code: c7 a0 02 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 73 f3 14 fe bb 40 01 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 55 f3 14 fe 48 8b 1b 48 83 c3 68
RSP: 0018:ffff8881ab4476e0 EFLAGS: 00010206
RAX: 0000000000000028 RBX: 0000000000000140 RCX: 0000000000040000
RDX: ffffc900002d8000 RSI: 00000000000000fb RDI: 00000000000000fc
RBP: ffff8881ab447730 R08: ffffffff837ea843 R09: ffff8881ab4477e0
R10: ffffed1035688efe R11: 0000000000000000 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8881e765d012 R15: ffff8881e765d2a0
FS:  00007fe53c523700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000119c020 CR3: 00000001e661d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_prog_795979a567f36c11+0x475/0x1000
 bpf_call_func include/linux/filter.h:608 [inline]
 bpf_test_run+0x278/0x650 net/bpf/test_run.c:44
 bpf_prog_test_run_skb+0x7ef/0x1190 net/bpf/test_run.c:310
 bpf_prog_test_run kernel/bpf/syscall.c:2123 [inline]
 __do_sys_bpf+0x3212/0xbfc0 kernel/bpf/syscall.c:2906
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe53c522c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
RDX: 0000000000000028 RSI: 0000000020000440 RDI: 000000000000000a
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffe39153eef R14: 00007fe53c5239c0 R15: 000000000119bf8c
Modules linked in:
---[ end trace 38e4404305b6e739 ]---
RIP: 0010:____bpf_skb_cgroup_id net/core/filter.c:4097 [inline]
RIP: 0010:bpf_skb_cgroup_id+0x10c/0x190 net/core/filter.c:4088
Code: c7 a0 02 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 73 f3 14 fe bb 40 01 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 55 f3 14 fe 48 8b 1b 48 83 c3 68
RSP: 0018:ffff8881ab4476e0 EFLAGS: 00010206
RAX: 0000000000000028 RBX: 0000000000000140 RCX: 0000000000040000
RDX: ffffc900002d8000 RSI: 00000000000000fb RDI: 00000000000000fc
RBP: ffff8881ab447730 R08: ffffffff837ea843 R09: ffff8881ab4477e0
R13: dffffc0000000000 R14: ffff8881e765d012 R15: ffff8881e765d2a0
FS:  00007fe53c523700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Kernel Offset: disabled
Rebooting in 86400 seconds..