general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 479 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:____bpf_get_local_storage kernel/bpf/cgroup.c:1575 [inline]
RIP: 0010:bpf_get_local_storage+0xb8/0x180 kernel/bpf/cgroup.c:1557
Code: 4e 8d 74 f8 08 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 47 41 21 00 4d 8b 36 83 fb 15 75 5e 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 29 41 21 00 49 8b 1e e8 f1 2b 5a
RSP: 0018:ffffc90000007458 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000015 RCX: 0000000000000100
RDX: ffff88811a219440 RSI: 0000000000000015 RDI: 0000000000000015
RBP: ffffc90000007478 R08: dffffc0000000000 R09: ffffc900000075e0
R10: fffff52000000ebf R11: 1ffff92000000ebc R12: dffffc0000000000
R13: ffffc90001d83002 R14: 0000000000000000 R15: 0000000000000001
FS:  0000555571371500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557138c4a8 CR3: 000000012dd4b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 bpf_prog_3647604f6c8667e9+0x25/0x38
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:603 [inline]
 bpf_prog_run include/linux/filter.h:610 [inline]
 __bpf_prog_run_save_cb include/linux/filter.h:733 [inline]
 bpf_prog_run_array_cg kernel/bpf/cgroup.c:68 [inline]
 __cgroup_bpf_run_filter_skb+0x90e/0xf50 kernel/bpf/cgroup.c:1427
 sk_filter_trim_cap+0x5bb/0x700 net/core/filter.c:141
 tcp_filter net/ipv4/tcp_ipv4.c:1911 [inline]
 tcp_v4_rcv+0x1e83/0x2a80 net/ipv4/tcp_ipv4.c:2093
 ip_protocol_deliver_rcu+0x325/0x6e0 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x24e/0x410 net/ipv4/ip_input.c:233
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ip_local_deliver+0x1d8/0x320 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:463 [inline]
 ip_rcv_finish net/ipv4/ip_input.c:449 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ip_rcv+0x163/0x270 net/ipv4/ip_input.c:569
 __netif_receive_skb_one_core net/core/dev.c:5597 [inline]
 __netif_receive_skb+0xd7/0x2a0 net/core/dev.c:5711
 process_backlog+0x351/0x600 net/core/dev.c:6039
 __napi_poll+0xd0/0x5e0 net/core/dev.c:6606
 napi_poll net/core/dev.c:6673 [inline]
 net_rx_action+0x49b/0xaa0 net/core/dev.c:6787
 handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
 __do_softirq kernel/softirq.c:680 [inline]
 invoke_softirq kernel/softirq.c:497 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:741
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_latency_start kernel/sched/core.c:5879 [inline]
RIP: 0010:preempt_count_add+0xce/0x1b0 kernel/sched/core.c:5902
Code: 85 c0 74 0b 48 8b 45 00 48 8b 00 48 8b 58 08 65 4c 8b 35 e5 ba b6 7e 49 81 c6 c8 0a 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 e8 d9 68 00 49 89 1e 5b 41 5e 41 5f 5d c3 89 fb
RSP: 0018:ffffc90000a276e0 EFLAGS: 00000246
RAX: 1ffff110234433e1 RBX: ffffffff815f450a RCX: ffffffff87972100
RDX: 0000000000000000 RSI: ffffffff85aa0ec0 RDI: ffffffff815f450a
RBP: ffffc90000a276f8 R08: ffffc90000a27870 R09: ffffc90000a27868
R10: 000000000000000a R11: 1ffff92000144ef5 R12: ffff88811a219440
R13: 0000000000000001 R14: ffff88811a219f08 R15: dffffc0000000000
 is_module_text_address+0x1a/0x290 kernel/module/main.c:3149
 kernel_text_address+0x94/0xd0 kernel/extable.c:119
 __kernel_text_address+0xd/0x30 kernel/extable.c:79
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19
 arch_stack_walk+0xfc/0x150 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
 __kasan_slab_alloc+0x72/0x80 mm/kasan/common.c:333
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3382 [inline]
 slab_alloc mm/slub.c:3392 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3399 [inline]
 kmem_cache_alloc+0x16e/0x330 mm/slub.c:3408
 getname_flags+0xb9/0x500 fs/namei.c:139
 vfs_fstatat fs/stat.c:266 [inline]
 __do_sys_newfstatat fs/stat.c:437 [inline]
 __se_sys_newfstatat+0xdf/0x380 fs/stat.c:431
 __x64_sys_newfstatat+0x9b/0xb0 fs/stat.c:431
 x64_sys_call+0x77c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:263
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe03038d5ba
Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 a8 ff ff ff f7
RSP: 002b:00007ffe5e0ecce8 EFLAGS: 00000286 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe03038d5ba
RDX: 00007ffe5e0ecd10 RSI: 00007ffe5e0ecda0 RDI: 00000000ffffff9c
RBP: 00007ffe5e0ecda0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffe5e0ede30
R13: 00007fe030411d7d R14: 000000000000cca3 R15: 00007ffe5e0ede70
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:____bpf_get_local_storage kernel/bpf/cgroup.c:1575 [inline]
RIP: 0010:bpf_get_local_storage+0xb8/0x180 kernel/bpf/cgroup.c:1557
Code: 4e 8d 74 f8 08 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 47 41 21 00 4d 8b 36 83 fb 15 75 5e 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 29 41 21 00 49 8b 1e e8 f1 2b 5a
RSP: 0018:ffffc90000007458 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000015 RCX: 0000000000000100
RDX: ffff88811a219440 RSI: 0000000000000015 RDI: 0000000000000015
RBP: ffffc90000007478 R08: dffffc0000000000 R09: ffffc900000075e0
R10: fffff52000000ebf R11: 1ffff92000000ebc R12: dffffc0000000000
R13: ffffc90001d83002 R14: 0000000000000000 R15: 0000000000000001
FS:  0000555571371500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557138c4a8 CR3: 000000012dd4b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4e 8d 74 f8 08       	lea    0x8(%rax,%r15,8),%r14
   5:	4c 89 f0             	mov    %r14,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  11:	74 08                	je     0x1b
  13:	4c 89 f7             	mov    %r14,%rdi
  16:	e8 47 41 21 00       	call   0x214162
  1b:	4d 8b 36             	mov    (%r14),%r14
  1e:	83 fb 15             	cmp    $0x15,%ebx
  21:	75 5e                	jne    0x81
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 29 41 21 00       	call   0x214162
  39:	49 8b 1e             	mov    (%r14),%rbx
  3c:	e8                   	.byte 0xe8
  3d:	f1                   	int1
  3e:	2b                   	.byte 0x2b
  3f:	5a                   	pop    %rdx