Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 5811 Comm: syz-executor Not tainted 6.14.0-rc6-syzkaller-00007-g0b46b049d6ec #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:____bpf_get_local_storage kernel/bpf/cgroup.c:1587 [inline]
RIP: 0010:bpf_get_local_storage+0xbb/0x180 kernel/bpf/cgroup.c:1569
Code: 8d 5c e8 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 75 e4 37 00 48 8b 1b 41 83 fe 15 75 5d 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 56 e4 37 00 48 8b 1b e8 1e 62 12
RSP: 0018:ffffc90000a279e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888033488000
RDX: ffff888033488000 RSI: 0000000000000015 RDI: 0000000000000015
RBP: 0000000000000001 R08: ffffffff81eeb884 R09: 0000000000000000
R10: ffffc90000a27a80 R11: ffffffffa0001c50 R12: 1ffff920018a5600
R13: ffffc9000c52b030 R14: 0000000000000015 R15: dffffc0000000000
FS:  000055558496c500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa2a3379178 CR3: 000000007f9d8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 bpf_prog_3647604f6c8667e9+0x2e/0x41
 bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run include/linux/filter.h:708 [inline]
 __bpf_prog_run_save_cb+0x12d/0x360 include/linux/filter.h:938
 bpf_prog_run_array_cg kernel/bpf/cgroup.c:68 [inline]
 __cgroup_bpf_run_filter_skb+0x9ea/0x1090 kernel/bpf/cgroup.c:1425
 sk_filter_trim_cap+0x8e3/0xa80 net/core/filter.c:147
 tcp_filter net/ipv4/tcp_ipv4.c:2144 [inline]
 tcp_v4_rcv+0x2211/0x3280 net/ipv4/tcp_ipv4.c:2332
 ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233
 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
 ip_local_deliver net/ipv4/ip_input.c:254 [inline]
 dst_input include/net/dst.h:469 [inline]
 ip_sublist_rcv_finish+0x3be/0x4f0 net/ipv4/ip_input.c:578
 ip_list_rcv_finish net/ipv4/ip_input.c:627 [inline]
 ip_sublist_rcv+0x75d/0xab0 net/ipv4/ip_input.c:635
 ip_list_rcv+0x42b/0x480 net/ipv4/ip_input.c:669
 __netif_receive_skb_list_ptype net/core/dev.c:5936 [inline]
 __netif_receive_skb_list_core+0x94e/0x980 net/core/dev.c:5983
 __netif_receive_skb_list net/core/dev.c:6035 [inline]
 netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:6126
 gro_normal_list include/net/gro.h:518 [inline]
 napi_complete_done+0x2b5/0x870 net/core/dev.c:6493
 virtqueue_napi_complete drivers/net/virtio_net.c:759 [inline]
 virtnet_poll+0x2df7/0x39c0 drivers/net/virtio_net.c:3014
 __napi_poll+0xcb/0x490 net/core/dev.c:7188
 napi_poll net/core/dev.c:7257 [inline]
 net_rx_action+0x89b/0x1240 net/core/dev.c:7379
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 common_interrupt+0xb9/0xd0 arch/x86/kernel/irq.c:280
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:__asan_memset+0x0/0x50 mm/kasan/shadow.c:83
Code: 48 8b 0c 24 ba 01 00 00 00 e9 bc e6 ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 56 53 48 89 d3 41 89 f6 48 89 fd 48 8b 4c 24 18
RSP: 0018:ffffc90003f7ec28 EFLAGS: 00000246
RAX: ffffc90003f7ff10 RBX: ffffc90003f7ed38 RCX: 1ffff920007efda0
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90003f7ed50
RBP: dffffc0000000000 R08: 000000000000000b R09: ffffc90003f7edf0
R10: ffffc90003f7ed50 R11: ffffffff81ad6ae0 R12: ffffc90003f80000
R13: ffffc90003f7ed00 R14: ffffffff8c009b13 R15: ffffc90003f7ed50
 unwind_next_frame+0xcfb/0x22d0 arch/x86/kernel/unwind_orc.c:592
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 save_stack+0xfb/0x1f0 mm/page_owner.c:156
 __set_page_owner+0x89/0x530 mm/page_owner.c:320
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4740
 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
 alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361
 get_free_pages_noprof+0xc/0x30 mm/page_alloc.c:4799
 poll_get_entry fs/select.c:168 [inline]
 __pollwait+0x134/0x430 fs/select.c:223
 poll_wait include/linux/poll.h:45 [inline]
 pipe_poll+0xec/0x460 fs/pipe.c:671
 vfs_poll include/linux/poll.h:82 [inline]
 select_poll_one fs/select.c:480 [inline]
 do_select+0x1198/0x1d60 fs/select.c:536
 core_sys_select+0x843/0xa40 fs/select.c:677
 do_pselect fs/select.c:759 [inline]
 __do_sys_pselect6 fs/select.c:802 [inline]
 __se_sys_pselect6+0x321/0x3e0 fs/select.c:793
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7fed58cf2c
Code: 29 44 24 30 80 3d 2b 06 1f 00 00 4c 89 4c 24 40 4c 8d 4c 24 40 48 c7 44 24 48 08 00 00 00 74 2e 4c 89 ea b8 0e 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7c 48 8b 54 24 58 64 48 2b 14 25 28 00 00 00
RSP: 002b:00007ffe8bf004e0 EFLAGS: 00000202 ORIG_RAX: 000000000000010e
RAX: ffffffffffffffda RBX: 00007ffe8bf00610 RCX: 00007f7fed58cf2c
RDX: 0000000000000000 RSI: 00007ffe8bf00610 RDI: 0000000000000023
RBP: 00007ffe8bf00850 R08: 00007ffe8bf00510 R09: 00007ffe8bf00520
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe8bf008b0
R13: 0000000000000000 R14: 00007ffe8bf00a60 R15: 00007ffe8bf006a0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:____bpf_get_local_storage kernel/bpf/cgroup.c:1587 [inline]
RIP: 0010:bpf_get_local_storage+0xbb/0x180 kernel/bpf/cgroup.c:1569
Code: 8d 5c e8 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 75 e4 37 00 48 8b 1b 41 83 fe 15 75 5d 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 56 e4 37 00 48 8b 1b e8 1e 62 12
RSP: 0018:ffffc90000a279e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888033488000
RDX: ffff888033488000 RSI: 0000000000000015 RDI: 0000000000000015
RBP: 0000000000000001 R08: ffffffff81eeb884 R09: 0000000000000000
R10: ffffc90000a27a80 R11: ffffffffa0001c50 R12: 1ffff920018a5600
R13: ffffc9000c52b030 R14: 0000000000000015 R15: dffffc0000000000
FS:  000055558496c500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa2a3379178 CR3: 000000007f9d8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8d 5c e8 08          	lea    0x8(%rax,%rbp,8),%ebx
   4:	48 89 d8             	mov    %rbx,%rax
   7:	48 c1 e8 03          	shr    $0x3,%rax
   b:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  10:	74 08                	je     0x1a
  12:	48 89 df             	mov    %rbx,%rdi
  15:	e8 75 e4 37 00       	call   0x37e48f
  1a:	48 8b 1b             	mov    (%rbx),%rbx
  1d:	41 83 fe 15          	cmp    $0x15,%r14d
  21:	75 5d                	jne    0x80
  23:	48 89 d8             	mov    %rbx,%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:	48 89 df             	mov    %rbx,%rdi
  34:	e8 56 e4 37 00       	call   0x37e48f
  39:	48 8b 1b             	mov    (%rbx),%rbx
  3c:	e8                   	.byte 0xe8
  3d:	1e                   	(bad)
  3e:	62                   	.byte 0x62
  3f:	12                   	.byte 0x12